No need for asset batching on text.c

This reverts commit efd31237be.

.github/workflows/build.yml

@@ -53,6 +53,22 @@ jobs:
           path: ./git-artifcats/Dusk
           if-no-files-found: error
 
+  # build-vita:
+  #   runs-on: ubuntu-latest
+  #   steps:
+  #     - name: Checkout repository
+  #       uses: actions/checkout@v6
+  #     - name: Set up Docker
+  #       uses: docker/setup-docker-action@v5
+  #     - name: Build Vita
+  #       run: ./scripts/build-vita-docker.sh
+  #     - name: Upload Vita binary
+  #       uses: actions/upload-artifact@v6
+  #       with:
+  #         name: dusk-vita
+  #         path: build-vita/Dusk.vpk
+  #         if-no-files-found: error
+
   build-knulli:
     runs-on: ubuntu-latest
     steps:
@@ -94,6 +110,28 @@ jobs:
           path: ./git-artifcats/Dusk
           if-no-files-found: error
 
+  build-gamecube-iso:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v6
+      - name: Set up Docker
+        uses: docker/setup-docker-action@v5
+      - name: Build GameCube ISO
+        run: ./scripts/build-gamecube-iso-docker.sh
+      - name: Copy output files.
+        run: |
+          mkdir -p ./git-artifcats/Dusk
+          cp build-gamecube-iso/Dusk-NTSC-J.iso ./git-artifcats/Dusk/Dusk-NTSC-J.iso
+          cp build-gamecube-iso/Dusk-NTSC-U.iso ./git-artifcats/Dusk/Dusk-NTSC-U.iso
+          cp build-gamecube-iso/Dusk-PAL.iso    ./git-artifcats/Dusk/Dusk-PAL.iso
+      - name: Upload GameCube ISO
+        uses: actions/upload-artifact@v6
+        with:
+          name: dusk-gamecube-iso
+          path: ./git-artifcats/Dusk
+          if-no-files-found: error
+
   build-wii:
     runs-on: ubuntu-latest
     steps:
@@ -108,10 +146,32 @@ jobs:
           mkdir -p ./git-artifcats/Dusk/apps/Dusk
           cp build-wii/Dusk.dol ./git-artifcats/Dusk/apps/Dusk/boot.dol
           cp build-wii/dusk.dsk ./git-artifcats/Dusk/apps/Dusk/dusk.dsk
-          cp docker/dolphin/meta.xml ./git-artifcats/Dusk/apps/Dusk/meta.xml
+          cp build-wii/meta.xml ./git-artifcats/Dusk/apps/Dusk/meta.xml
       - name: Upload Wii binary
         uses: actions/upload-artifact@v6
         with:
           name: dusk-wii
           path: ./git-artifcats/Dusk
+          if-no-files-found: error
+
+  build-wii-iso:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v6
+      - name: Set up Docker
+        uses: docker/setup-docker-action@v5
+      - name: Build Wii ISO
+        run: ./scripts/build-wii-iso-docker.sh
+      - name: Copy output files.
+        run: |
+          mkdir -p ./git-artifcats/Dusk
+          cp build-wii-iso/Dusk-NTSC-J.iso ./git-artifcats/Dusk/Dusk-NTSC-J.iso
+          cp build-wii-iso/Dusk-NTSC-U.iso ./git-artifcats/Dusk/Dusk-NTSC-U.iso
+          cp build-wii-iso/Dusk-PAL.iso    ./git-artifcats/Dusk/Dusk-PAL.iso
+      - name: Upload Wii ISO
+        uses: actions/upload-artifact@v6
+        with:
+          name: dusk-wii-iso
+          path: ./git-artifcats/Dusk
           if-no-files-found: error

.gitignore

@@ -83,7 +83,6 @@ assets/borrowed
 .VSCode*
 
 /vita
-
 ._*
 
 *~
@@ -105,4 +104,5 @@ yarn.lock
 
 /build2
 /build*
-/assets/test
+/assets/test
+/tools_old

CMakeLists.txt

@@ -4,14 +4,22 @@
 # https://opensource.org/licenses/MIT
 
 # Setup
-cmake_minimum_required(VERSION 3.18)
+cmake_minimum_required(VERSION 3.13)
 
 set(CMAKE_C_STANDARD 11)
 set(CMAKE_C_STANDARD_REQUIRED ON)
 set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} ${CMAKE_CURRENT_SOURCE_DIR}/cmake/modules)
+cmake_policy(SET CMP0079 NEW)
+# set(FETCHCONTENT_UPDATES_DISCONNECTED ON)
 
 option(DUSK_BUILD_TESTS "Enable tests" OFF)
 
+# Game identity — override these per-project
+set(DUSK_GAME_NAME              "Dusk"               CACHE STRING "Game display name")
+set(DUSK_GAME_AUTHOR            "YouWish"             CACHE STRING "Game author / coder")
+set(DUSK_GAME_SHORT_DESCRIPTION "Dusk game"           CACHE STRING "One-line description")
+set(DUSK_GAME_LONG_DESCRIPTION  "No description yet." CACHE STRING "Full description")
+
 # Prep cache
 set(DUSK_CACHE_TARGET "dusk-target")
 
@@ -68,10 +76,19 @@ else()
   set(DUSK_LIBRARY_TARGET_NAME "${DUSK_BINARY_TARGET_NAME}" CACHE INTERNAL ${DUSK_CACHE_TARGET})
 endif()
 
+if(NOT DEFINED DUSK_VERSION)
+  string(TIMESTAMP DUSK_VERSION "debug-%y%m%d%H%M%S")
+endif()
+
 # Definitions
 target_compile_definitions(${DUSK_LIBRARY_TARGET_NAME}
   PUBLIC
     DUSK_TARGET_SYSTEM="${DUSK_TARGET_SYSTEM}"
+    DUSK_GAME_NAME="${DUSK_GAME_NAME}"
+    DUSK_GAME_AUTHOR="${DUSK_GAME_AUTHOR}"
+    DUSK_GAME_SHORT_DESCRIPTION="${DUSK_GAME_SHORT_DESCRIPTION}"
+    DUSK_GAME_LONG_DESCRIPTION="${DUSK_GAME_LONG_DESCRIPTION}"
+    DUSK_VERSION="${DUSK_VERSION}"
 )
 
 # Toolchains

assets/init.js

@@ -0,0 +1,12 @@
+Console.print('This is called from JavaScript');
+
+const platformNames = {
+  [System.PLATFORM_LINUX]:    'Linux',
+  [System.PLATFORM_KNULLI]:   'Knulli',
+  [System.PLATFORM_PSP]:      'PSP',
+  [System.PLATFORM_GAMECUBE]: 'GameCube',
+  [System.PLATFORM_WII]:      'Wii',
+};
+
+const platformName = platformNames[System.platform] || 'Unknown';
+Console.print('Platform: ' + platformName);

assets/init.lua

@@ -1,76 +0,0 @@
-module('input')
-module('platform')
-module('scene')
-module('locale')
-
--- Default Input bindings.
-if PSP then
-  inputBind("up", INPUT_ACTION_UP)
-  inputBind("down", INPUT_ACTION_DOWN)
-  inputBind("left", INPUT_ACTION_LEFT)
-  inputBind("right", INPUT_ACTION_RIGHT)
-  inputBind("circle", INPUT_ACTION_CANCEL)
-  inputBind("cross", INPUT_ACTION_ACCEPT)
-  inputBind("select", INPUT_ACTION_RAGEQUIT)
-  inputBind("lstick_up", INPUT_ACTION_UP)
-  inputBind("lstick_down", INPUT_ACTION_DOWN)
-  inputBind("lstick_left", INPUT_ACTION_LEFT)
-  inputBind("lstick_right", INPUT_ACTION_RIGHT)
-
-elseif DOLPHIN then
-  inputBind("up", INPUT_ACTION_UP)
-  inputBind("down", INPUT_ACTION_DOWN)
-  inputBind("left", INPUT_ACTION_LEFT)
-  inputBind("right", INPUT_ACTION_RIGHT)
-  inputBind("b", INPUT_ACTION_CANCEL)
-  inputBind("a", INPUT_ACTION_ACCEPT)
-  inputBind("z", INPUT_ACTION_RAGEQUIT)
-  inputBind("lstick_up", INPUT_ACTION_UP)
-  inputBind("lstick_down", INPUT_ACTION_DOWN)
-  inputBind("lstick_left", INPUT_ACTION_LEFT)
-  inputBind("lstick_right", INPUT_ACTION_RIGHT)
-
-elseif LINUX then
-  if INPUT_KEYBOARD then
-    inputBind("w", INPUT_ACTION_UP)
-    inputBind("s", INPUT_ACTION_DOWN)
-    inputBind("a", INPUT_ACTION_LEFT)
-    inputBind("d", INPUT_ACTION_RIGHT)
-
-    inputBind("left", INPUT_ACTION_LEFT)
-    inputBind("right", INPUT_ACTION_RIGHT)
-    inputBind("up", INPUT_ACTION_UP)
-    inputBind("down", INPUT_ACTION_DOWN)
-
-    inputBind("enter", INPUT_ACTION_ACCEPT)
-    inputBind("e", INPUT_ACTION_ACCEPT)
-    
-    inputBind("q", INPUT_ACTION_CANCEL)
-    
-    inputBind("escape", INPUT_ACTION_RAGEQUIT)
-  end
-
-  if INPUT_GAMEPAD then
-    inputBind("gamepad_up", INPUT_ACTION_UP)
-    inputBind("gamepad_down", INPUT_ACTION_DOWN)
-    inputBind("gamepad_left", INPUT_ACTION_LEFT)
-    inputBind("gamepad_right", INPUT_ACTION_RIGHT)
-
-    inputBind("gamepad_a", INPUT_ACTION_ACCEPT)
-    inputBind("gamepad_b", INPUT_ACTION_CANCEL)
-    inputBind("gamepad_back", INPUT_ACTION_RAGEQUIT)
-
-    inputBind("gamepad_lstick_up", INPUT_ACTION_UP)
-    inputBind("gamepad_lstick_down", INPUT_ACTION_DOWN)
-    inputBind("gamepad_lstick_left", INPUT_ACTION_LEFT)
-    inputBind("gamepad_lstick_right", INPUT_ACTION_RIGHT)
-  end
-
-  if INPUT_POINTER then
-    inputBind("mouse_x", INPUT_ACTION_POINTERX)
-    inputBind("mouse_y", INPUT_ACTION_POINTERY)
-  end
-
-else
-  print("Unknown platform, no default input bindings set.")
-end

assets/ui/test.js

@@ -0,0 +1,6 @@
+module = {
+  render() {
+    Text.draw(0, 0, "Hello World");
+    SpriteBatch.flush();
+  }
+};

cmake/modules/Findfast_obj.cmake

@@ -1,20 +0,0 @@
-# Copyright (c) 2026 Dominic Masters
-#
-# This software is released under the MIT License.
-# https://opensource.org/licenses/MIT
-
-include(FetchContent)
-
-if(NOT TARGET fast_obj)
-  FetchContent_Declare(
-    fast_obj
-    GIT_REPOSITORY https://github.com/thisistherk/fast_obj.git
-    GIT_TAG        master
-  )
-  FetchContent_MakeAvailable(fast_obj)
-endif()
-
-set(fast_obj_FOUND TRUE)
-set(FAST_OBJ_INCLUDE_DIRS "${fast_obj_SOURCE_DIR}")
-set(FAST_OBJ_LIBRARIES fast_obj)
-mark_as_advanced(FAST_OBJ_INCLUDE_DIRS FAST_OBJ_LIBRARIES fast_obj_FOUND)

cmake/modules/Findjerryscript.cmake

@@ -0,0 +1,96 @@
+# Copyright (c) 2026 Dominic Masters
+#
+# This software is released under the MIT License.
+# https://opensource.org/licenses/MIT
+
+# Turn things off we don't need
+set(JERRY_CMDLINE OFF CACHE BOOL "" FORCE)
+set(JERRY_EXT ON CACHE BOOL "" FORCE)
+set(JERRY_DEBUGGER OFF CACHE BOOL "" FORCE)
+set(JERRY_BUILTIN_DATE OFF CACHE BOOL "" FORCE)
+set(ENABLE_LTO OFF CACHE BOOL "" FORCE)
+
+# Fetch Jerry
+include(FetchContent)
+FetchContent_Declare(
+  jerryscript
+  GIT_REPOSITORY https://git.wish.moe/YourWishes/jerryscript
+  GIT_TAG float32-fix
+)
+FetchContent_MakeAvailable(jerryscript)
+
+# Mark found
+set(jerryscript_FOUND ON)
+
+# Define targets
+if(TARGET jerryscript-core)
+  set(JERRY_CORE_TARGET jerryscript-core)
+elseif(TARGET jerry-core)
+  set(JERRY_CORE_TARGET jerry-core)
+endif()
+
+if(TARGET jerryscript-ext)
+  set(JERRY_EXT_TARGET jerryscript-ext)
+elseif(TARGET jerry-ext)
+  set(JERRY_EXT_TARGET jerry-ext)
+endif()
+
+if(TARGET jerryscript-port-default)
+  set(JERRY_PORT_TARGET jerryscript-port-default)
+elseif(TARGET jerry-port-default)
+  set(JERRY_PORT_TARGET jerry-port-default)
+elseif(TARGET jerryscript-port)
+  set(JERRY_PORT_TARGET jerryscript-port)
+elseif(TARGET jerry-port)
+  set(JERRY_PORT_TARGET jerry-port)
+endif()
+
+if(NOT JERRY_CORE_TARGET)
+  message(FATAL_ERROR "JerryScript core target not found")
+endif()
+
+if(NOT JERRY_EXT_TARGET)
+  message(FATAL_ERROR "JerryScript ext target not found")
+endif()
+
+if(NOT JERRY_PORT_TARGET)
+  message(FATAL_ERROR "JerryScript port target not found")
+endif()
+
+foreach(tgt IN ITEMS
+  ${JERRY_CORE_TARGET}
+  ${JERRY_EXT_TARGET}
+  ${JERRY_PORT_TARGET}
+)
+  if(TARGET ${tgt})
+    set_property(TARGET ${tgt} PROPERTY INTERPROCEDURAL_OPTIMIZATION OFF)
+    target_compile_definitions(${JERRY_CORE_TARGET} PRIVATE
+      JERRY_NUMBER_TYPE_FLOAT64=0
+      JERRY_BUILTIN_DATE=0
+    )
+  endif()
+endforeach()
+
+# Export include dirs through the targets
+target_include_directories(${JERRY_CORE_TARGET} INTERFACE
+  ${jerryscript_SOURCE_DIR}/jerry-core/include
+)
+
+target_include_directories(${JERRY_EXT_TARGET} INTERFACE
+  ${jerryscript_SOURCE_DIR}/jerry-ext/include
+)
+
+target_include_directories(${JERRY_PORT_TARGET} INTERFACE
+  ${jerryscript_SOURCE_DIR}/jerry-port/default/include
+)
+
+# Suppress JerryScript-only warning
+if(CMAKE_C_COMPILER_ID MATCHES "GNU|Clang")
+  target_compile_options(${JERRY_CORE_TARGET} PRIVATE
+    -Wno-error
+  )
+endif()
+
+add_library(jerryscript::core ALIAS ${JERRY_CORE_TARGET})
+add_library(jerryscript::ext ALIAS ${JERRY_EXT_TARGET})
+add_library(jerryscript::port ALIAS ${JERRY_PORT_TARGET})

cmake/targets/dolphin.cmake

@@ -1,61 +1,70 @@
+# Build type: FAT (SD/USB via libfat) or ISO (DVD disc via libogc DVD driver)
+set(DUSK_DOLPHIN_BUILD_TYPE "FAT" CACHE STRING "Dolphin asset source: FAT (SD/USB) or ISO (DVD disc)")
+set_property(CACHE DUSK_DOLPHIN_BUILD_TYPE PROPERTY STRINGS "FAT" "ISO")
+
 # Target definitions
 target_compile_definitions(${DUSK_LIBRARY_TARGET_NAME} PUBLIC
   DUSK_DOLPHIN
   DUSK_INPUT_GAMEPAD
   DUSK_DISPLAY_WIDTH=640
   DUSK_DISPLAY_HEIGHT=480
+  DUSK_THREAD_PTHREAD
+  DUSK_DOLPHIN_BUILD_TYPE="${DUSK_DOLPHIN_BUILD_TYPE}"
 )
 
 # Custom compiler flags
 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fno-rtti -fno-exceptions")
 
-# Need PkgConfig
-find_package(PkgConfig REQUIRED)
-pkg_check_modules(zip IMPORTED_TARGET libzip)
-
 # Disable all warnings
 target_compile_options(${DUSK_LIBRARY_TARGET_NAME} PRIVATE -w)
 
-# Custom flags for cglm
+# cglm: fetched at source level via Findcglm.cmake (FetchContent, headers only)
-set(CGLM_SHARED OFF CACHE BOOL "Build cglm shared" FORCE)
-set(CGLM_STATIC ON  CACHE BOOL "Build cglm static" FORCE)
 find_package(cglm REQUIRED)
 
-# Compile lua
+# Pre-create ZLIB::ZLIB so any downstream cmake module that resolves it
-include(FetchContent)
+# (FindZLIB, pkg-config IMPORTED_TARGET Requires processing) gets plain -lz
-FetchContent_Declare(
+# rather than an unresolvable IMPORTED target that the PPC linker rejects.
-  liblua
+if(NOT TARGET ZLIB::ZLIB)
-  URL https://www.lua.org/ftp/lua-5.5.0.tar.gz
+  add_library(ZLIB::ZLIB INTERFACE IMPORTED GLOBAL)
-)
+  set_target_properties(ZLIB::ZLIB PROPERTIES INTERFACE_LINK_LIBRARIES "z")
-FetchContent_MakeAvailable(liblua)
+endif()
-set(LUA_SRC_DIR "${liblua_SOURCE_DIR}/src")
-set(LUA_C_FILES 
-  lapi.c lauxlib.c lbaselib.c lcode.c lcorolib.c lctype.c ldblib.c ldebug.c
-  ldo.c ldump.c lfunc.c lgc.c linit.c liolib.c llex.c lmathlib.c lmem.c
-  loadlib.c lobject.c lopcodes.c loslib.c lparser.c lstate.c lstring.c
-  lstrlib.c ltable.c ltablib.c ltm.c lundump.c lutf8lib.c lvm.c lzio.c
-)
-list(TRANSFORM LUA_C_FILES PREPEND "${LUA_SRC_DIR}/")
-add_library(liblua STATIC ${LUA_C_FILES})
-target_include_directories(liblua PUBLIC "${LUA_SRC_DIR}")
-target_compile_definitions(liblua PRIVATE LUA_USE_C89)
-add_library(lua::lua ALIAS liblua)
-set(Lua_FOUND TRUE CACHE BOOL "Lua found" FORCE)
 
-# Link libraries
+# Mark libzip as found so src/dusk/CMakeLists.txt skips Findlibzip.cmake.
+# Findlibzip.cmake calls find_package(ZLIB) which can recreate a broken
+# ZLIB::ZLIB IMPORTED target, bypassing the shim above.
+set(libzip_FOUND TRUE CACHE BOOL "libzip found (devkitpro portlibs)" FORCE)
+
+# Locate zip.h in the devkitpro sysroot (respects CMAKE_FIND_ROOT_PATH).
+find_path(_dusk_zip_inc NAMES zip.h)
+if(_dusk_zip_inc)
+  target_include_directories(${DUSK_LIBRARY_TARGET_NAME} PRIVATE "${_dusk_zip_inc}")
+endif()
+
+# Link libraries.
+# zip/z/lzma use target_link_options (raw flags) to bypass cmake target
+# resolution — pkg-config-generated targets for these carry ZLIB::ZLIB in
+# INTERFACE_LINK_LIBRARIES which breaks the PPC link step.
 target_link_libraries(${DUSK_LIBRARY_TARGET_NAME} PRIVATE
   cglm
-  liblua
   m
-  fat
+  zip
-  PkgConfig::zip
+  bz2
+  zstd
+  z
+  lzma
 )
 
-# Postbuild
+if(DUSK_DOLPHIN_BUILD_TYPE STREQUAL "ISO")
+  target_compile_definitions(${DUSK_LIBRARY_TARGET_NAME} PUBLIC DUSK_DOLPHIN_BUILD_ISO)
+else()
+  target_link_libraries(${DUSK_LIBRARY_TARGET_NAME} PRIVATE fat)
+endif()
+
+# Postbuild: ELF -> DOL
 set(DUSK_BINARY_TARGET_NAME_DOL "${DUSK_BUILD_DIR}/Dusk.dol")
 add_custom_command(TARGET ${DUSK_BINARY_TARGET_NAME} POST_BUILD
   COMMAND elf2dol
           "$<TARGET_FILE:${DUSK_BINARY_TARGET_NAME}>"
           "${DUSK_BINARY_TARGET_NAME_DOL}"
   COMMENT "Generating ${DUSK_BINARY_TARGET_NAME_DOL} from ${DUSK_BINARY_TARGET_NAME}"
-)
+)

cmake/targets/gamecube.cmake

@@ -2,4 +2,23 @@ include(cmake/targets/dolphin.cmake)
 
 target_compile_definitions(${DUSK_LIBRARY_TARGET_NAME} PUBLIC
   DUSK_GAMECUBE
-)
+)
+
+# Link libraries
+target_link_libraries(${DUSK_LIBRARY_TARGET_NAME} PRIVATE
+  # bba
+)
+
+# ISO post-build: produce NTSC-J, NTSC-U and PAL disc images
+if(DUSK_DOLPHIN_BUILD_TYPE STREQUAL "ISO")
+  add_custom_command(TARGET ${DUSK_BINARY_TARGET_NAME} POST_BUILD
+    COMMAND ${Python3_EXECUTABLE}
+            "${CMAKE_SOURCE_DIR}/tools/makedolphiniso.py"
+            "GCN"
+            "${DUSK_BINARY_TARGET_NAME_DOL}"
+            "${DUSK_ASSETS_ZIP}"
+            "${DUSK_GAME_NAME}"
+            "${DUSK_BUILD_DIR}"
+    COMMENT "Building GameCube ISO images (NTSC-J, NTSC-U, PAL)"
+  )
+endif()

cmake/targets/knulli.cmake

@@ -34,6 +34,7 @@ target_compile_definitions(${DUSK_LIBRARY_TARGET_NAME} PUBLIC
   DUSK_OPENGL
   DUSK_OPENGL_ES
   DUSK_LINUX
+  DUSK_KNULLI
   DUSK_DISPLAY_SIZE_DYNAMIC
   DUSK_DISPLAY_WIDTH_DEFAULT=640
   DUSK_DISPLAY_HEIGHT_DEFAULT=480

cmake/targets/linux.cmake

@@ -1,6 +1,7 @@
 # Find link platform-specific libraries
 find_package(SDL2 REQUIRED)
 find_package(OpenGL REQUIRED)
+# find_package(CURL REQUIRED)
 
 # Setup endianess at compile time to optimize.
 include(TestBigEndian)
@@ -16,18 +17,22 @@ else()
 endif()
 
 # Link required libraries.
-target_link_libraries(${DUSK_LIBRARY_TARGET_NAME} PUBLIC 
+target_link_libraries(${DUSK_LIBRARY_TARGET_NAME} PUBLIC
   SDL2
   pthread
   OpenGL::GL
   GL
   m
+  # CURL::libcurl
 )
 
+set(DUSK_BACKTRACE ON CACHE BOOL "Enable backtrace support for assert failures.")
+
 # Define platform-specific macros.
 target_compile_definitions(${DUSK_LIBRARY_TARGET_NAME} PUBLIC
   DUSK_SDL2
   DUSK_OPENGL
+  DUSK_CONSOLE_POSIX
   # DUSK_OPENGL_LEGACY
   DUSK_LINUX
   DUSK_DISPLAY_SIZE_DYNAMIC
@@ -38,4 +43,6 @@ target_compile_definitions(${DUSK_LIBRARY_TARGET_NAME} PUBLIC
   DUSK_INPUT_POINTER
   DUSK_INPUT_GAMEPAD
   DUSK_TIME_DYNAMIC
+  DUSK_NETWORK_IPV6
+  DUSK_THREAD_PTHREAD
 )

cmake/targets/psp.cmake

@@ -1,6 +1,16 @@
+set(CMAKE_AR "$ENV{PSPDEV}/bin/psp-ar" CACHE FILEPATH "" FORCE)
+set(CMAKE_RANLIB "$ENV{PSPDEV}/bin/psp-ranlib" CACHE FILEPATH "" FORCE)
+set(CMAKE_C_COMPILER_AR "$ENV{PSPDEV}/bin/psp-ar" CACHE FILEPATH "" FORCE)
+set(CMAKE_C_COMPILER_RANLIB "$ENV{PSPDEV}/bin/psp-ranlib" CACHE FILEPATH "" FORCE)
+set(CMAKE_C_ARCHIVE_CREATE "$ENV{PSPDEV}/bin/psp-ar qc <TARGET> <LINK_FLAGS> <OBJECTS>")
+set(CMAKE_C_ARCHIVE_APPEND "$ENV{PSPDEV}/bin/psp-ar q <TARGET> <LINK_FLAGS> <OBJECTS>")
+set(CMAKE_C_ARCHIVE_FINISH "$ENV{PSPDEV}/bin/psp-ranlib <TARGET>")
+set(CMAKE_INTERPROCEDURAL_OPTIMIZATION OFF CACHE BOOL "" FORCE)
+set(CMAKE_INTERPROCEDURAL_OPTIMIZATION_C OFF CACHE BOOL "" FORCE)
+
 find_package(SDL2 REQUIRED)
 find_package(OpenGL REQUIRED)
-target_link_libraries(${DUSK_LIBRARY_TARGET_NAME} PUBLIC
+target_link_libraries(${DUSK_BINARY_TARGET_NAME} PUBLIC
   ${SDL2_LIBRARIES}
   SDL2
   pthread
@@ -24,13 +34,18 @@ target_link_libraries(${DUSK_LIBRARY_TARGET_NAME} PUBLIC
   pspvfpu
   pspvram
   psphprm
+  pspnet
+  pspnet_inet
+  pspnet_apctl
+  psphttp
+  pspssl
 )
 
-target_include_directories(${DUSK_LIBRARY_TARGET_NAME} PRIVATE
+target_include_directories(${DUSK_BINARY_TARGET_NAME} PRIVATE
   ${SDL2_INCLUDE_DIRS}
 )
 
-target_compile_definitions(${DUSK_LIBRARY_TARGET_NAME} PUBLIC
+target_compile_definitions(${DUSK_BINARY_TARGET_NAME} PUBLIC
   DUSK_SDL2
   DUSK_OPENGL
   DUSK_PSP
@@ -39,6 +54,7 @@ target_compile_definitions(${DUSK_LIBRARY_TARGET_NAME} PUBLIC
   DUSK_OPENGL_LEGACY
   DUSK_DISPLAY_WIDTH=480
   DUSK_DISPLAY_HEIGHT=272
+  DUSK_THREAD_PTHREAD
 )
 
 # Postbuild, create .pbp file for PSP.

cmake/targets/vita.cmake

@@ -0,0 +1,88 @@
+# Copyright (c) 2026 Dominic Masters
+#
+# This software is released under the MIT License.
+# https://opensource.org/licenses/MIT
+
+if(NOT DEFINED ENV{VITASDK})
+  message(FATAL_ERROR "VITASDK environment variable is not set.")
+endif()
+
+include("$ENV{VITASDK}/share/vita.cmake" REQUIRED)
+
+set(VITA_APP_NAME "Dusk")
+set(VITA_TITLEID "DUSK00001")
+set(VITA_VERSION "01.00")
+
+find_package(SDL2 REQUIRED)
+
+# Custom flags for cglm
+set(CGLM_SHARED OFF CACHE BOOL "Build cglm shared" FORCE)
+set(CGLM_STATIC ON  CACHE BOOL "Build cglm static" FORCE)
+find_package(cglm REQUIRED)
+
+# Link libraries
+target_link_libraries(${DUSK_LIBRARY_TARGET_NAME} PUBLIC
+  ${SDL2_LIBRARIES}
+  cglm
+  SDL2
+  SDL2main
+  zip
+  bz2
+  z
+  zstd
+  crypto
+  lzma
+  m
+  pthread
+  stdc++
+  vitaGL
+  mathneon
+  vitashark
+  kubridge_stub
+  SceAppMgr_stub
+  SceAudio_stub
+  SceCtrl_stub
+  SceCommonDialog_stub
+  SceDisplay_stub
+  SceKernelDmacMgr_stub
+  SceGxm_stub
+  SceShaccCg_stub
+  SceSysmodule_stub
+  ScePower_stub
+  SceTouch_stub
+  SceVshBridge_stub
+  SceIofilemgr_stub
+  SceShaccCgExt
+  libtaihen_stub.a
+
+
+  # SceKernel_stub
+  SceAppUtil_stub
+  SceHid_stub
+  SceRtc_stub
+)
+
+target_include_directories(${DUSK_LIBRARY_TARGET_NAME} PRIVATE
+  ${SDL2_INCLUDE_DIRS}
+)
+
+target_compile_definitions(${DUSK_LIBRARY_TARGET_NAME} PUBLIC
+  DUSK_SDL2
+  DUSK_OPENGL
+  DUSK_VITA
+  DUSK_INPUT_GAMEPAD
+  DUSK_PLATFORM_ENDIAN_LITTLE
+  DUSK_OPENGL_LEGACY
+  DUSK_DISPLAY_WIDTH=960
+  DUSK_DISPLAY_HEIGHT=544
+)
+
+# Post-build: create SELF from the ELF binary (UNSAFE = homebrew, no signing)
+vita_create_self(${DUSK_BINARY_TARGET_NAME}.self ${DUSK_BINARY_TARGET_NAME} UNSAFE)
+
+# Post-build: package SELF + assets into a .vpk installable on the Vita
+vita_create_vpk(${DUSK_BINARY_TARGET_NAME}.vpk ${VITA_TITLEID} ${DUSK_BINARY_TARGET_NAME}.self
+  VERSION ${VITA_VERSION}
+  NAME ${VITA_APP_NAME}
+  FILE ${DUSK_ASSETS_ZIP} dusk.dsk
+)

cmake/targets/wii.cmake

@@ -2,4 +2,26 @@ include(cmake/targets/dolphin.cmake)
 
 target_compile_definitions(${DUSK_LIBRARY_TARGET_NAME} PUBLIC
   DUSK_WII
-)
+)
+
+# Generate Homebrew Channel meta.xml from project identity variables
+string(TIMESTAMP DUSK_BUILD_DATE "%Y%m%d000000" UTC)
+configure_file(
+  "${CMAKE_SOURCE_DIR}/docker/dolphin/meta.xml.in"
+  "${DUSK_BUILD_DIR}/meta.xml"
+  @ONLY
+)
+
+# ISO post-build: produce NTSC-J, NTSC-U and PAL disc images
+if(DUSK_DOLPHIN_BUILD_TYPE STREQUAL "ISO")
+  add_custom_command(TARGET ${DUSK_BINARY_TARGET_NAME} POST_BUILD
+    COMMAND ${Python3_EXECUTABLE}
+            "${CMAKE_SOURCE_DIR}/tools/makedolphiniso.py"
+            "WII"
+            "${DUSK_BINARY_TARGET_NAME_DOL}"
+            "${DUSK_ASSETS_ZIP}"
+            "${DUSK_GAME_NAME}"
+            "${DUSK_BUILD_DIR}"
+    COMMENT "Building Wii ISO images (NTSC-J, NTSC-U, PAL)"
+  )
+endif()

docker/dolphin/Dockerfile

@@ -1,6 +1,7 @@
-FROM devkitpro/devkitppc
+FROM ghcr.io/extremscorner/libogc2
 WORKDIR /workdir
 RUN apt update && \
-    apt install -y python3 python3-pip python3-polib python3-pil python3-dotenv python3-pyqt5 python3-opengl && \
+    dkp-pacman -Syu --noconfirm && \
-    dkp-pacman -S --needed --noconfirm gamecube-sdl2 ppc-liblzma ppc-libzip
+    apt install -y python3 python3-pip python3-polib python3-pil python3-dotenv python3-pyqt5 python3-opengl xorriso && \
+    dkp-pacman -S --needed --noconfirm gamecube-sdl2 ppc-liblzma ppc-libzip libogc2 gamecube-tools ppc-libmad ppc-zlib-ng ppc-liblzma ppc-bzip2 ppc-zstd
 VOLUME ["/workdir"]

docker/dolphin/meta.xml

@@ -1,10 +0,0 @@
-<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
-<app version="1">
-	<name>Dusk</name>
-	<version>1.00</version>
-	<release_date></release_date>
-	<coder>YouWish</coder>
-	<short_description>Dusk game</short_description>
-	<long_description>No description yet.</long_description>
-  <ahb_access/>
-</app>

docker/dolphin/meta.xml.in

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
+<app version="1">
+	<name>@DUSK_GAME_NAME@</name>
+	<version>@PROJECT_VERSION@</version>
+	<release_date>@DUSK_BUILD_DATE@</release_date>
+	<coder>@DUSK_GAME_AUTHOR@</coder>
+	<short_description>@DUSK_GAME_SHORT_DESCRIPTION@</short_description>
+	<long_description>@DUSK_GAME_LONG_DESCRIPTION@</long_description>
+	<ahb_access/>
+</app>

docker/linux/Dockerfile

@@ -14,8 +14,8 @@ RUN apt-get install -y \
   python3-dotenv \
   python3-pyqt5 \
   python3-opengl \
-  liblua5.3-dev \
   xz-utils \
+  liblzma-dev \
   libbz2-dev \
   zlib1g-dev \
   libzip-dev \

docker/vita/Dockerfile

@@ -0,0 +1,13 @@
+FROM vitasdk/vitasdk:latest
+WORKDIR /workdir
+
+# Install vitaGL and its dependencies (vitashark, SceShaccCg) via vdpm
+RUN which vdpm
+
+# Install Python (needed for Dusk code generation tools)
+RUN apk add --no-cache \
+  python3 \
+  py3-pip \
+  py3-dotenv
+
+VOLUME ["/workdir"]

scripts/build-gamecube-iso-docker.sh

@@ -0,0 +1,3 @@
+#!/bin/bash
+docker build -t dusk-dolphin -f docker/dolphin/Dockerfile .
+docker run --rm -v $(pwd):/workdir dusk-dolphin /bin/bash -c "./scripts/build-gamecube-iso.sh"

scripts/build-gamecube-iso.sh

@@ -0,0 +1,13 @@
+#!/bin/bash
+if [ -z "$DEVKITPRO" ]; then
+  echo "DEVKITPRO environment variable is not set. Please set it to the path of your DEVKITPRO installation."
+  exit 1
+fi
+
+mkdir -p build-gamecube-iso
+cmake -S. -Bbuild-gamecube-iso \
+  -DDUSK_TARGET_SYSTEM=gamecube \
+  -DDUSK_DOLPHIN_BUILD_TYPE=ISO \
+  -DCMAKE_TOOLCHAIN_FILE="$DEVKITPRO/cmake/GameCube.cmake"
+cd build-gamecube-iso
+make -j$(nproc) VERBOSE=1

scripts/build-gamecube.sh

@@ -5,6 +5,9 @@ if [ -z "$DEVKITPRO" ]; then
 fi
 
 mkdir -p build-gamecube
-cmake -S. -Bbuild-gamecube -DDUSK_TARGET_SYSTEM=gamecube -DCMAKE_TOOLCHAIN_FILE="$DEVKITPRO/cmake/GameCube.cmake"
+cmake -S. -Bbuild-gamecube \
+  -DDUSK_TARGET_SYSTEM=gamecube \
+  -DCMAKE_TOOLCHAIN_FILE="$DEVKITPRO/cmake/GameCube.cmake" \
+  -DDKP_OGC_PLATFORM_LIBRARY=libogc2
 cd build-gamecube
 make -j$(nproc) VERBOSE=1

scripts/build-vita-docker.sh

@@ -0,0 +1,3 @@
+#!/bin/bash
+docker build -t dusk-vita -f docker/vita/Dockerfile .
+docker run --rm -v $(pwd):/workdir dusk-vita /bin/bash -c "./scripts/build-vita.sh"

scripts/build-vita.sh

@@ -0,0 +1,13 @@
+#!/bin/bash
+if [ -z "$VITASDK" ]; then
+  echo "VITASDK environment variable is not set. Please set it to the path of your VitaSDK installation."
+  exit 1
+fi
+
+mkdir -p build-vita
+cd build-vita
+cmake \
+  -DCMAKE_TOOLCHAIN_FILE=$VITASDK/share/vita.toolchain.cmake \
+  -DDUSK_TARGET_SYSTEM=vita \
+  ..
+make -j$(nproc)

scripts/build-wii-iso-docker.sh

@@ -0,0 +1,3 @@
+#!/bin/bash
+docker build -t dusk-dolphin -f docker/dolphin/Dockerfile .
+docker run --rm -v $(pwd):/workdir dusk-dolphin /bin/bash -c "./scripts/build-wii-iso.sh"

scripts/build-wii-iso.sh

@@ -0,0 +1,13 @@
+#!/bin/bash
+if [ -z "$DEVKITPRO" ]; then
+  echo "DEVKITPRO environment variable is not set. Please set it to the path of your DEVKITPRO installation."
+  exit 1
+fi
+
+mkdir -p build-wii-iso
+cmake -S. -Bbuild-wii-iso \
+  -DDUSK_TARGET_SYSTEM=wii \
+  -DDUSK_DOLPHIN_BUILD_TYPE=ISO \
+  -DCMAKE_TOOLCHAIN_FILE="$DEVKITPRO/cmake/Wii.cmake"
+cd build-wii-iso
+make -j$(nproc) VERBOSE=1

scripts/test-linux.sh

@@ -1,4 +1,6 @@
 #!/bin/bash
+set -e
+rm -rf build-tests
 cmake -S . -B build-tests -DDUSK_BUILD_TESTS=ON -DDUSK_TARGET_SYSTEM=linux
 cmake --build build-tests -- -j$(nproc)
 ctest --output-on-failure --test-dir build-tests

src/CMakeLists.txt

@@ -4,7 +4,6 @@
 # https://opensource.org/licenses/MIT
 
 add_subdirectory(dusk)
-add_subdirectory(duskrpg)
 
 if(DUSK_TARGET_SYSTEM STREQUAL "linux" OR DUSK_TARGET_SYSTEM STREQUAL "knulli")
   add_subdirectory(dusklinux)
@@ -16,7 +15,12 @@ elseif(DUSK_TARGET_SYSTEM STREQUAL "psp")
   add_subdirectory(dusksdl2)
   add_subdirectory(duskgl)
 
-elseif(DUSK_TARGET_SYSTEM STREQUAL "gamecube" OR DUSK_TARGET_SYSTEM STREQUAL "wii")
+elseif(DUSK_TARGET_SYSTEM STREQUAL "vita")
+  add_subdirectory(duskvita)
+  add_subdirectory(dusksdl2)
+  add_subdirectory(duskgl)
+
+elseif(DUSK_TARGET_SYSTEM STREQUAL "wii" OR DUSK_TARGET_SYSTEM STREQUAL "gamecube")
   add_subdirectory(duskdolphin)
   
 endif()

src/dusk/CMakeLists.txt

@@ -32,27 +32,20 @@ if(NOT yyjson_FOUND)
   endif()
 endif()
 
-if(NOT fast_obj_FOUND)
+if(NOT jerryscript_FOUND)
-  find_package(fast_obj REQUIRED)
+  find_package(jerryscript REQUIRED)
-  if(fast_obj_FOUND)
+  target_link_libraries(${DUSK_LIBRARY_TARGET_NAME} PUBLIC
-    target_link_libraries(${DUSK_LIBRARY_TARGET_NAME} PUBLIC fast_obj)
+    jerryscript::core
-  else()
+    jerryscript::ext
-    message(FATAL_ERROR "fast_obj not found. Please ensure fast_obj is correctly fetched.")
+    jerryscript::port
-  endif()
+  )
 endif()
 
-if(NOT Lua_FOUND)
+if(DUSK_BACKTRACE)
-  find_package(Lua REQUIRED)
+  target_link_options(${DUSK_LIBRARY_TARGET_NAME} PUBLIC -rdynamic)
-  if(Lua_FOUND AND NOT TARGET Lua::Lua)
+  target_compile_definitions(${DUSK_BINARY_TARGET_NAME} PUBLIC
-    add_library(Lua::Lua INTERFACE IMPORTED)
+    DUSK_BACKTRACE
-    set_target_properties(
+  )
-      Lua::Lua
-      PROPERTIES
-        INTERFACE_INCLUDE_DIRECTORIES "${LUA_INCLUDE_DIR}"
-        INTERFACE_LINK_LIBRARIES "${LUA_LIBRARIES}"
-    )
-  endif()
-  target_link_libraries(${DUSK_LIBRARY_TARGET_NAME} PUBLIC Lua::Lua)
 endif()
 
 # Includes
@@ -67,26 +60,30 @@ target_sources(${DUSK_BINARY_TARGET_NAME}
     main.c
 )
 
-# Defs
-dusk_env_to_h(duskdefs.env duskdefs.h)
-
 # Subdirs
+add_subdirectory(animation)
+add_subdirectory(event)
 add_subdirectory(assert)
 add_subdirectory(asset)
-add_subdirectory(log)
+add_subdirectory(cutscene)
+add_subdirectory(item)
+add_subdirectory(story)
+add_subdirectory(console)
 add_subdirectory(display)
+add_subdirectory(log)
 add_subdirectory(engine)
 add_subdirectory(entity)
 add_subdirectory(error)
-add_subdirectory(event)
 add_subdirectory(input)
 add_subdirectory(locale)
+add_subdirectory(physics)
 add_subdirectory(scene)
 add_subdirectory(script)
+add_subdirectory(system)
 add_subdirectory(time)
 add_subdirectory(ui)
+add_subdirectory(network)
+add_subdirectory(overworld)
+add_subdirectory(save)
 add_subdirectory(util)
-
+add_subdirectory(thread)
-# if(DUSK_TARGET_SYSTEM STREQUAL "linux" OR DUSK_TARGET_SYSTEM STREQUAL "psp")
-#   add_subdirectory(thread)
-# endif()

src/dusk/animation/CMakeLists.txt

@@ -0,0 +1,10 @@
+# Copyright (c) 2026 Dominic Masters
+#
+# This software is released under the MIT License.
+# https://opensource.org/licenses/MIT
+
+target_sources(${DUSK_LIBRARY_TARGET_NAME}
+  PUBLIC
+    easing.c
+    animation.c
+)

src/dusk/animation/animation.c

@@ -0,0 +1,52 @@
+// Copyright (c) 2026 Dominic Masters
+//
+// This software is released under the MIT License.
+// https://opensource.org/licenses/MIT
+
+#include "animation.h"
+#include "assert/assert.h"
+#include "util/memory.h"
+#include "util/math.h"
+
+void animationInit(
+  animation_t *anim,
+  keyframe_t *keyframes,
+  uint16_t keyframeCount
+) {
+  assertNotNull(anim, "Animation pointer cannot be null.");
+  assertNotNull(keyframes, "Keyframes pointer cannot be null.");
+  assertTrue(keyframeCount > 0, "Keyframe count must be more than 0.");
+
+  anim->keyframes = keyframes;
+  anim->keyframeCount = keyframeCount;
+}
+
+float_t animationGetValue(animation_t *anim, const float_t time) {
+  assertNotNull(anim, "Animation pointer cannot be null.");
+  assertNotNull(anim->keyframes, "Keyframes pointer cannot be null.");
+  assertTrue(anim->keyframeCount > 0, "Keyframe count invalid.");
+  assertTrue(time >= 0, "Time must be non-negative.");
+  
+  keyframe_t *start;
+  keyframe_t *end;
+  keyframe_t *last = anim->keyframes + anim->keyframeCount - 1;
+  keyframe_t *current = anim->keyframes;
+  start = current;
+
+  do {
+    if(current->time > time) {
+      end = current;
+      break;
+    }
+    start = current;
+    current++;
+
+    if(current > last) {
+      end = start;
+      break;
+    }
+  } while(true);
+
+  float_t t = (time - start->time) / (end->time - start->time);
+  return mathLerp(start->value, end->value, easingApply(start->easing, t));
+}

src/dusk/animation/animation.h

@@ -0,0 +1,34 @@
+// Copyright (c) 2026 Dominic Masters
+//
+// This software is released under the MIT License.
+// https://opensource.org/licenses/MIT
+
+#pragma once
+#include "keyframe.h"
+
+typedef struct {
+  keyframe_t *keyframes;
+  uint16_t keyframeCount;
+} animation_t;
+
+/**
+ * Initializes an animation.
+ * 
+ * @param anim The animation to initialize.
+ * @param keyframes The keyframes to use for the animation.
+ * @param keyframeCount The number of keyframes in the animation.
+ */
+void animationInit(
+  animation_t *anim,
+  keyframe_t *keyframes,
+  uint16_t keyframeCount
+);
+
+/**
+ * Gets the value of the animation at a given time.
+ * 
+ * @param anim The animation to get the value from.
+ * @param time The time at which to get the value, in seconds.
+ * @return The value of the animation at the given time.
+ */
+float_t animationGetValue(animation_t *anim, const float_t time);

src/dusk/animation/easing.c

@@ -0,0 +1,111 @@
+// Copyright (c) 2026 Dominic Masters
+//
+// This software is released under the MIT License.
+// https://opensource.org/licenses/MIT
+
+#include "easing.h"
+#include "assert/assert.h"
+#include <math.h>
+
+const easingfn_t EASING_FUNCTIONS[EASING_COUNT] = {
+  easingLinear,
+  easingInSine,
+  easingOutSine,
+  easingInOutSine,
+  easingInQuad,
+  easingOutQuad,
+  easingInOutQuad,
+  easingInCubic,
+  easingOutCubic,
+  easingInOutCubic,
+  easingInQuart,
+  easingOutQuart,
+  easingInOutQuart,
+  easingInBack,
+  easingOutBack,
+  easingInOutBack,
+};
+
+float_t easingApply(const easingtype_t type, const float_t t) {
+  assertTrue(type < EASING_COUNT, "Invalid easing type");
+  return EASING_FUNCTIONS[type](t);
+}
+
+float_t easingLinear(const float_t t) {
+  return t;
+}
+
+float_t easingInSine(const float_t t) {
+  return 1.0f - cosf(t * EASING_PI * 0.5f);
+}
+
+float_t easingOutSine(const float_t t) {
+  return sinf(t * EASING_PI * 0.5f);
+}
+
+float_t easingInOutSine(const float_t t) {
+  return -(cosf(EASING_PI * t) - 1.0f) * 0.5f;
+}
+
+float_t easingInQuad(const float_t t) {
+  return t * t;
+}
+
+float_t easingOutQuad(const float_t t) {
+  float_t u = 1.0f - t;
+  return 1.0f - u * u;
+}
+
+float_t easingInOutQuad(const float_t t) {
+  if(t < 0.5f) return 2.0f * t * t;
+  float_t u = -2.0f * t + 2.0f;
+  return 1.0f - u * u * 0.5f;
+}
+
+float_t easingInCubic(const float_t t) {
+  return t * t * t;
+}
+
+float_t easingOutCubic(const float_t t) {
+  float_t u = 1.0f - t;
+  return 1.0f - u * u * u;
+}
+
+float_t easingInOutCubic(const float_t t) {
+  if(t < 0.5f) return 4.0f * t * t * t;
+  float_t u = -2.0f * t + 2.0f;
+  return 1.0f - u * u * u * 0.5f;
+}
+
+float_t easingInQuart(const float_t t) {
+  return t * t * t * t;
+}
+
+float_t easingOutQuart(const float_t t) {
+  float_t u = 1.0f - t;
+  return 1.0f - u * u * u * u;
+}
+
+float_t easingInOutQuart(const float_t t) {
+  if(t < 0.5f) return 8.0f * t * t * t * t;
+  float_t u = -2.0f * t + 2.0f;
+  return 1.0f - u * u * u * u * 0.5f;
+}
+
+float_t easingInBack(const float_t t) {
+  return EASING_C3 * t * t * t - EASING_C1 * t * t;
+}
+
+float_t easingOutBack(const float_t t) {
+  float_t u = t - 1.0f;
+  return 1.0f + EASING_C3 * u * u * u + EASING_C1 * u * u;
+}
+
+float_t easingInOutBack(const float_t t) {
+  if(t < 0.5f) {
+    float_t u = 2.0f * t;
+    return u * u * ((EASING_C2 + 1.0f) * u - EASING_C2) * 0.5f;
+  }
+  float_t u = 2.0f * t - 2.0f;
+  return (u * u * ((EASING_C2 + 1.0f) * u + EASING_C2) + 2.0f) * 0.5f;
+}

src/dusk/animation/easing.h

@@ -0,0 +1,63 @@
+// Copyright (c) 2026 Dominic Masters
+//
+// This software is released under the MIT License.
+// https://opensource.org/licenses/MIT
+
+#pragma once
+#include "dusk.h"
+
+#define EASING_PI 3.14159265358979323846f
+#define EASING_C1 1.70158f
+#define EASING_C2 (EASING_C1 * 1.525f)
+#define EASING_C3 (EASING_C1 + 1.0f)
+
+typedef enum {
+  EASING_LINEAR,
+  EASING_IN_SINE,
+  EASING_OUT_SINE,
+  EASING_IN_OUT_SINE,
+  EASING_IN_QUAD,
+  EASING_OUT_QUAD,
+  EASING_IN_OUT_QUAD,
+  EASING_IN_CUBIC,
+  EASING_OUT_CUBIC,
+  EASING_IN_OUT_CUBIC,
+  EASING_IN_QUART,
+  EASING_OUT_QUART,
+  EASING_IN_OUT_QUART,
+  EASING_IN_BACK,
+  EASING_OUT_BACK,
+  EASING_IN_OUT_BACK,
+
+  EASING_COUNT
+} easingtype_t;
+
+typedef float_t (*easingfn_t)(const float_t t);
+
+extern const easingfn_t EASING_FUNCTIONS[EASING_COUNT];
+
+/**
+ * Applies the specified easing function to t.
+ * 
+ * @param type The easing type to apply.
+ * @param t The input time, in the range [0, 1].
+ * @return The eased value, in the range [0, 1].
+ */
+float_t easingApply(const easingtype_t type, const float_t t);
+
+float_t easingLinear(const float_t t);
+float_t easingInSine(const float_t t);
+float_t easingOutSine(const float_t t);
+float_t easingInOutSine(const float_t t);
+float_t easingInQuad(const float_t t);
+float_t easingOutQuad(const float_t t);
+float_t easingInOutQuad(const float_t t);
+float_t easingInCubic(const float_t t);
+float_t easingOutCubic(const float_t t);
+float_t easingInOutCubic(const float_t t);
+float_t easingInQuart(const float_t t);
+float_t easingOutQuart(const float_t t);
+float_t easingInOutQuart(const float_t t);
+float_t easingInBack(const float_t t);
+float_t easingOutBack(const float_t t);
+float_t easingInOutBack(const float_t t);

src/dusk/animation/keyframe.h

@@ -0,0 +1,13 @@
+// Copyright (c) 2026 Dominic Masters
+//
+// This software is released under the MIT License.
+// https://opensource.org/licenses/MIT
+
+#pragma once
+#include "easing.h"
+
+typedef struct {
+  float_t time;
+  float_t value;
+  easingtype_t easing;
+} keyframe_t;

src/dusk/assert/assert.c

@@ -8,6 +8,7 @@
 #include "assert.h"
 #include "log/log.h"
 #include "util/string.h"
+#include "util/memory.h"
 
 #ifndef DUSK_ASSERTIONS_FAKED
   #ifdef DUSK_TEST_ASSERT
@@ -25,6 +26,25 @@
       );
     }
   #else
+    #ifdef DUSK_BACKTRACE
+      #include <execinfo.h>
+      #include <stdlib.h>
+
+      static void assertLogBacktrace(void) {
+        void *frames[64];
+        int count = backtrace(frames, 64);
+        char **symbols = backtrace_symbols(frames, count);
+        memoryTrack(symbols);
+        logError("Stack trace:\n");
+        if(symbols) {
+          for(int i = 0; i < count; i++) {
+            logError("  %s\n", symbols[i]);
+          }
+          memoryFree(symbols);
+        }
+      }
+    #endif
+
     void assertTrueImpl(
       const char *file,
       const int32_t line,
@@ -33,11 +53,14 @@
     ) {
       if(x != true) {
         logError(
-          "Assertion Failed in %s:%i\n\n%s\n",
+          "Assertion Failed in %s:%i\n\n%s\n\n",
           file,
           line,
           message
         );
+        #ifdef DUSK_BACKTRACE
+          assertLogBacktrace();
+        #endif
         abort();
       }
     }

src/dusk/assert/assert.h

@@ -216,4 +216,11 @@
   #define assertStrLenMax(str, len, message) ((void)0)
   #define assertStrLenMin(str, len, message) ((void)0)
 
-#endif
+#endif
+
+// Static Assertions
+
+#define assertStructSize(struct, size) \
+  _Static_assert(sizeof(struct) == size, "Size of " #struct " must be " #size)
+
+// EOF

src/dusk/asset/CMakeLists.txt

@@ -7,6 +7,7 @@
 target_sources(${DUSK_LIBRARY_TARGET_NAME}
   PUBLIC
     asset.c
+    assetbatch.c
     assetfile.c
 )
 

src/dusk/asset/asset.c

@@ -11,52 +11,340 @@
 #include "assert/assert.h"
 #include "engine/engine.h"
 #include "util/string.h"
+#include "console/console.h"
+#include <unistd.h>
 
 asset_t ASSET;
 
 errorret_t assetInit(void) {
   memoryZero(&ASSET, sizeof(asset_t));
-  
+
+  for(size_t i = 0; i < ASSET_LOADING_COUNT_MAX; i++) {
+    threadMutexInit(&ASSET.loading[i].mutex);
+  }
+
   // assetInitPlatform must either define ASSET.zip or throw an error.
   errorChain(assetInitPlatform());
   assertNotNull(ASSET.zip, "Asset zip null without error.");
+  threadInit(&ASSET.loadThread, assetUpdateAsync);
+  threadStart(&ASSET.loadThread);
 
   errorOk();
 }
 
 bool_t assetFileExists(const char_t *filename) {
-  assertStrLenMax(filename, FILENAME_MAX, "Filename too long.");
+  assertStrLenMax(filename, ASSET_FILE_NAME_MAX, "Filename too long.");
 
   zip_int64_t idx = zip_name_locate(ASSET.zip, filename, 0);
   if(idx < 0) return false;
   return true;
 }
 
-errorret_t assetLoad(
+assetentry_t * assetGetEntry(
-  const char_t *filename,
+  const char_t *name,
-  assetfileloader_t loader,
+  const assetloadertype_t type,
-  void *params,
+  assetloaderinput_t *input
-  void *output
 ) {
-  assertStrLenMax(filename, FILENAME_MAX, "Filename too long.");
+  // Is there an existing asset?
-  assertNotNull(output, "Output pointer cannot be NULL.");
+  assetentry_t *entry = ASSET.entries;
-  assertNotNull(loader, "Asset file loader cannot be NULL.");
+  do {
+    if(entry->type == ASSET_LOADER_TYPE_NULL) {
+      entry++;
+      continue;
+    }
+    if(stringEquals(entry->name, name)) {
+      assertTrue(entry->type == type, "Asset entry type mismatch.");
+      return entry;
+    }
+    entry++;
+  } while(entry < ASSET.entries + ASSET_ENTRY_COUNT_MAX);
+  
+  // We did not find one existing, Find first available slot.
+  entry = ASSET.entries;
+  do {
+    if(entry->type != ASSET_LOADER_TYPE_NULL) {
+      entry++;
+      continue;
+    }
+
+    if(entry->state == ASSET_ENTRY_STATE_NOT_STARTED) {
+      assetEntryInit(entry, name, type, input);
+      return entry;
+    }
+    entry++;
+  } while(entry < ASSET.entries + ASSET_ENTRY_COUNT_MAX);
+
+  assertUnreachable("No available asset entry slots.");
+  return NULL;
+}
+
+errorret_t assetRequireLoaded(assetentry_t *entry) {
+  assertNotNull(entry, "Entry cannot be NULL.");
+  assertTrue(entry->type != ASSET_LOADER_TYPE_NULL, "Invalid loader type.");
+
+  // Already loaded?
+  if(entry->state == ASSET_ENTRY_STATE_LOADED) {
+    errorOk();
+  }
+
+  // Not loaded, just spin the wheel
+  while(entry->state != ASSET_ENTRY_STATE_LOADED) {
+    usleep(1000);
+    errorChain(assetUpdate());
+  }
 
-  assetfile_t file;
-  errorChain(assetFileInit(&file, filename, params, output));
-  errorChain(loader(&file));
-  errorChain(assetFileDispose(&file));
   errorOk();
 }
 
+assetentry_t * assetLock(
+  const char_t *name,
+  const assetloadertype_t type,
+  assetloaderinput_t *input
+) {
+  assetentry_t *entry = assetGetEntry(name, type, input);
+  assetEntryLock(entry);
+  return entry;
+}
+
+void assetUnlock(const char_t *name) {
+  assertNotNull(name, "Name cannot be NULL.");
+  assetentry_t *entry = ASSET.entries;
+  do {
+    if(entry->type != ASSET_LOADER_TYPE_NULL && stringEquals(entry->name, name)) {
+      assetEntryUnlock(entry);
+      return;
+    }
+    entry++;
+  } while(entry < ASSET.entries + ASSET_ENTRY_COUNT_MAX);
+  assertUnreachable("Asset entry not found for unlock.");
+}
+
+void assetUnlockEntry(assetentry_t *entry) {
+  assertNotNull(entry, "Entry cannot be NULL.");
+  assetEntryUnlock(entry);
+}
+
+errorret_t assetUpdate(void) {
+  // Determine how many available loading slots we have.
+  assetloading_t *availableLoading[ASSET_LOADING_COUNT_MAX];
+  uint8_t availableLoadingCount = 0;
+  assetloading_t *loading = ASSET.loading;
+  assetentry_t *entry;
+
+
+  do {
+    // We only care about NULL entry references. Nothing async touches this so
+    // it's fine to use raw here.
+    if(loading->entry != NULL) {
+      loading++;
+      continue;
+    }
+    availableLoading[availableLoadingCount++] = loading;
+    loading++;
+  } while(loading < ASSET.loading + ASSET_LOADING_COUNT_MAX);
+
+
+  // Now we can check for pending asset entries, we can't do anything if there
+  // is no available slots though.
+  if(availableLoadingCount > 0) {
+    entry = ASSET.entries;
+    do {
+      // Is this asset "ready to start loading" ?
+      if(entry->type == ASSET_LOADER_TYPE_NULL) {
+        entry++;
+        continue;
+      }
+
+      // We only care about assets not started.
+      if(entry->state != ASSET_ENTRY_STATE_NOT_STARTED) {
+        entry++;
+        continue;
+      }
+
+      // Pop a loading slot for this asset entry.
+      loading = availableLoading[--availableLoadingCount];
+
+      // Start loading this asset.
+      assetEntryStartLoading(entry, loading);
+      entry++;
+
+      // Did we run out of loading slots?
+      if(availableLoadingCount == 0) {
+        break;
+      }
+    } while(entry < ASSET.entries + ASSET_ENTRY_COUNT_MAX);
+  }
+
+  // Now walk over all the loading slots and see what needs to be done.
+  loading = ASSET.loading;
+  do {
+    // Is the loading slot in use? Entry can only be modified synchronously.
+    if(loading->entry == NULL) {
+      loading++;
+      continue;
+    }
+
+    // Lock the loading slot. This will prevent any async modifications.
+    threadMutexLock(&loading->mutex);
+
+    // Check the state of the entry.
+    switch(loading->entry->state) {
+      // This thing is pending synchronous loading.
+      case ASSET_ENTRY_STATE_PENDING_SYNC:
+        // Perform sync load.
+        loading->entry->state = ASSET_ENTRY_STATE_LOADING_SYNC;
+        errorret_t ret = (
+          ASSET_LOADER_CALLBACKS[loading->type].loadSync(loading)
+        );
+
+        // After a sync load, these are the only valid states.
+        assertTrue(
+          loading->entry->state == ASSET_ENTRY_STATE_LOADED ||
+          loading->entry->state == ASSET_ENTRY_STATE_ERROR ||
+          loading->entry->state == ASSET_ENTRY_STATE_PENDING_SYNC ||
+          loading->entry->state == ASSET_ENTRY_STATE_PENDING_ASYNC,
+          "Loader did not set entry state to loaded or error on finished load."
+        );
+
+        // If an error occured these things need to be true, basically just
+        // ensuring the sync loader is setting the error correctly.
+        if(errorIsNotOk(ret)) {
+          errorCatch(errorPrint(ret));
+          assertTrue(
+            loading->entry->state == ASSET_ENTRY_STATE_ERROR,
+            "Loader did not set entry state to error on failed load."
+          );
+        }
+
+        threadMutexUnlock(&loading->mutex);
+        loading++;
+        break;
+
+      case ASSET_ENTRY_STATE_LOADING_SYNC:
+        assertUnreachable(
+          "Entry is in a pending sync state still?"
+        );
+        break;
+
+      // Done loading, we can just free it up.
+      case ASSET_ENTRY_STATE_LOADED:
+        loading->entry = NULL;
+        threadMutexUnlock(&loading->mutex);
+        loading++;
+        break;
+
+      case ASSET_ENTRY_STATE_ERROR:
+        threadMutexUnlock(&loading->mutex);
+        errorThrow("Failed to load asset asynchronously.");
+        break;
+
+      default:
+        threadMutexUnlock(&loading->mutex);
+        loading++;
+        continue;
+    }
+  } while(loading < ASSET.loading + ASSET_LOADING_COUNT_MAX);
+
+
+  // Reap entries that have no external locks (refs.count == 1 means only the
+  // system hold remains). Only safe to reap LOADED and NOT_STARTED states —
+  // mid-load entries are left for the next cycle.
+  entry = ASSET.entries;
+  do {
+    if(entry->state != ASSET_ENTRY_STATE_LOADED) {
+      entry++;
+      continue;
+    }
+
+    if(entry->type == ASSET_LOADER_TYPE_NULL) {
+      entry++;
+      continue;
+    }
+
+    if(entry->refs.count > 0) {
+      entry++;
+      continue;
+    }
+
+    consolePrint("Reaping asset %s", entry->name);
+    errorChain(assetEntryDispose(entry));
+    entry++;
+  } while(entry < ASSET.entries + ASSET_ENTRY_COUNT_MAX);
+
+  errorOk();
+}
+
+void assetUpdateAsync(thread_t *thread) {
+  while(!threadShouldStop(thread)) {
+    // Walk over each asset
+    assetloading_t *loading;
+    loading = ASSET.loading;
+    
+    do {
+      threadMutexLock(&loading->mutex);
+
+      if(loading->entry == NULL) {
+        threadMutexUnlock(&loading->mutex);
+        loading++;
+        continue;
+      }
+
+      switch(loading->entry->state) {
+        case ASSET_ENTRY_STATE_PENDING_ASYNC:
+          loading->entry->state = ASSET_ENTRY_STATE_LOADING_ASYNC;
+          assertNotNull(
+            ASSET_LOADER_CALLBACKS[loading->type].loadAsync,
+            "Loader does not support async loading."
+          );
+          errorret_t ret = (
+            ASSET_LOADER_CALLBACKS[loading->type].loadAsync(loading)
+          );
+
+          if(errorIsNotOk(ret)) {
+            errorCatch(errorPrint(ret));
+            assertTrue(
+              loading->entry->state == ASSET_ENTRY_STATE_ERROR,
+              "Loader did not set entry state to error on failed load."
+            );
+          }
+
+          threadMutexUnlock(&loading->mutex);
+          loading++;
+          break;
+
+        case ASSET_ENTRY_STATE_LOADING_ASYNC:
+          assertUnreachable(
+            "Entry is in a pending async state still?"
+          );
+          break;
+
+        default:
+          threadMutexUnlock(&loading->mutex);
+          loading++;
+          continue;
+      }
+    } while(loading < ASSET.loading + ASSET_LOADING_COUNT_MAX);
+
+    if(threadShouldStop(thread)) break;
+    usleep(1000);
+  }
+}
+
 errorret_t assetDispose(void) {
+  threadStop(&ASSET.loadThread);
+
+  for(size_t i = 0; i < ASSET_LOADING_COUNT_MAX; i++) {
+    threadMutexDispose(&ASSET.loading[i].mutex);
+  }
+
+  // Cleanup zip file.
   if(ASSET.zip != NULL) {
     if(zip_close(ASSET.zip) != 0) {
       errorThrow("Failed to close asset zip archive.");
     }
     ASSET.zip = NULL;
   }
-  
+
   errorChain(assetDisposePlatform());
   errorOk();
 }

src/dusk/asset/asset.h

@@ -9,6 +9,9 @@
 #include "error/error.h"
 #include "asset/assetplatform.h"
 #include "assetfile.h"
+#include "thread/thread.h"
+#include "asset/loader/assetentry.h"
+#include "asset/loader/assetloading.h"
 
 #ifndef assetInitPlatform
   #error "Platform must define assetInitPlatform function."
@@ -20,15 +23,27 @@
 #define ASSET_FILE_NAME "dusk.dsk"
 #define ASSET_HEADER_SIZE 3
 
+#define ASSET_LOADING_COUNT_MAX 4
+#define ASSET_ENTRY_COUNT_MAX 128
+
 typedef struct asset_s {
   zip_t *zip;
   assetplatform_t platform;
+
+  // Background loading thread.
+  thread_t loadThread;
+
+  // Assets that are mid loading.
+  assetloading_t loading[ASSET_LOADING_COUNT_MAX];
+  assetentry_t entries[ASSET_ENTRY_COUNT_MAX];
 } asset_t;
 
 extern asset_t ASSET;
 
 /**
  * Initializes the asset system.
+ * 
+ * @return An error code if the asset system could not be initialized properly.
  */
 errorret_t assetInit(void);
 
@@ -41,21 +56,74 @@ errorret_t assetInit(void);
 bool_t assetFileExists(const char_t *filename);
 
 /**
- * Loads an asset by its filename,
+ * Gets, or creates, a new asset entry. Internal — prefer assetLock.
- * 
+ *
- * @param filename The filename of the asset to retrieve.
+ * @param name Filename of the asset.
- * @param loader Loader to use for loading the asset file.
+ * @param type Type of the asset.
- * @param params Parameters to pass to the loader.
+ * @param input Loader-specific parameters.
- * @param output The output pointer to store the loaded asset data.
- * @return An error code if the asset could not be loaded.
  */
-errorret_t assetLoad(
+assetentry_t * assetGetEntry(
-  const char_t *filename,
+  const char_t *name,
-  assetfileloader_t loader,
+  const assetloadertype_t type,
-  void *params,
+  assetloaderinput_t *input
-  void *output
 );
 
+/**
+ * Gets, creates, and locks an asset entry. The asset will begin loading on
+ * the next assetUpdate. Call assetUnlock when done to allow the entry to be
+ * reclaimed.
+ *
+ * @param name Filename of the asset.
+ * @param type Type of the asset.
+ * @param input Loader-specific parameters.
+ * @return The locked asset entry.
+ */
+assetentry_t * assetLock(
+  const char_t *name,
+  const assetloadertype_t type,
+  assetloaderinput_t *input
+);
+
+/**
+ * Releases a lock on an asset entry by name. When all locks are released the
+ * entry will be reclaimed at the start of the next assetUpdate.
+ *
+ * @param name Filename of the asset to unlock.
+ */
+void assetUnlock(const char_t *name);
+
+/**
+ * Releases a lock on an asset entry by pointer. When all locks are released
+ * the entry will be reclaimed at the start of the next assetUpdate.
+ *
+ * @param entry The asset entry to unlock.
+ */
+void assetUnlockEntry(assetentry_t *entry);
+
+/**
+ * Requires an asset entry to be loaded. This will block until the asset entry
+ * is fully loaded.
+ * 
+ * @param entry The asset entry to require.
+ * @return An error code if the asset entry could not be loaded properly.
+ */
+errorret_t assetRequireLoaded(assetentry_t *entry);
+
+/**
+ * Updates the asset system.
+ *
+ * @return An error code if the asset system could not be updated properly.
+ */
+errorret_t assetUpdate(void);
+
+/**
+ * Starts the background asset loading thread. The thread runs assetUpdate
+ * in a loop with a short sleep until stopped.
+ * 
+ * @param thread The thread runner.
+ */
+void assetUpdateAsync(thread_t *thread);
+
 /**
  * Disposes/cleans up the asset system.
  * 

src/dusk/asset/assetbatch.c

@@ -0,0 +1,94 @@
+/**
+ * Copyright (c) 2026 Dominic Masters
+ *
+ * This software is released under the MIT License.
+ * https://opensource.org/licenses/MIT
+ */
+
+#include "assetbatch.h"
+#include "asset.h"
+#include "assert/assert.h"
+#include "util/memory.h"
+#include <unistd.h>
+
+void assetBatchInit(
+  assetbatch_t *batch,
+  const uint16_t count,
+  const assetbatchdesc_t *descs
+) {
+  assertNotNull(batch, "Batch cannot be NULL.");
+  assertNotNull(descs, "Descs cannot be NULL.");
+  assertTrue(count > 0, "Count must be greater than 0.");
+  assertTrue(count <= ASSET_BATCH_COUNT_MAX, "Count exceeds ASSET_BATCH_COUNT_MAX.");
+
+  memoryZero(batch, sizeof(assetbatch_t));
+  batch->count = count;
+
+  for(uint16_t i = 0; i < count; i++) {
+    // Copy input into batch-owned storage so the descriptor need not persist.
+    batch->inputs[i] = descs[i].input;
+    batch->entries[i] = assetLock(descs[i].path, descs[i].type, &batch->inputs[i]);
+  }
+}
+
+void assetBatchLock(assetbatch_t *batch) {
+  assertNotNull(batch, "Batch cannot be NULL.");
+  for(uint16_t i = 0; i < batch->count; i++) {
+    assetEntryLock(batch->entries[i]);
+  }
+}
+
+void assetBatchUnlock(assetbatch_t *batch) {
+  assertNotNull(batch, "Batch cannot be NULL.");
+  for(uint16_t i = 0; i < batch->count; i++) {
+    assetEntryUnlock(batch->entries[i]);
+  }
+}
+
+bool_t assetBatchIsLoaded(const assetbatch_t *batch) {
+  assertNotNull(batch, "Batch cannot be NULL.");
+  for(uint16_t i = 0; i < batch->count; i++) {
+    if(batch->entries[i]->state != ASSET_ENTRY_STATE_LOADED) return false;
+  }
+  return true;
+}
+
+bool_t assetBatchHasError(const assetbatch_t *batch) {
+  assertNotNull(batch, "Batch cannot be NULL.");
+  for(uint16_t i = 0; i < batch->count; i++) {
+    if(batch->entries[i]->state == ASSET_ENTRY_STATE_ERROR) return true;
+  }
+  return false;
+}
+
+errorret_t assetBatchRequireLoaded(assetbatch_t *batch) {
+  assertNotNull(batch, "Batch cannot be NULL.");
+
+  bool_t allDone;
+  do {
+    allDone = true;
+    for(uint16_t i = 0; i < batch->count; i++) {
+      const assetentrystate_t state = batch->entries[i]->state;
+      if(state == ASSET_ENTRY_STATE_ERROR) {
+        errorThrow("Asset '%s' failed to load.", batch->entries[i]->name);
+      }
+      if(state != ASSET_ENTRY_STATE_LOADED) {
+        allDone = false;
+      }
+    }
+    if(!allDone) {
+      usleep(1000);
+      errorChain(assetUpdate());
+    }
+  } while(!allDone);
+
+  errorOk();
+}
+
+void assetBatchDispose(assetbatch_t *batch) {
+  assertNotNull(batch, "Batch cannot be NULL.");
+  for(uint16_t i = 0; i < batch->count; i++) {
+    assetUnlockEntry(batch->entries[i]);
+  }
+  memoryZero(batch, sizeof(assetbatch_t));
+}

src/dusk/asset/assetbatch.h

@@ -0,0 +1,82 @@
+/**
+ * Copyright (c) 2026 Dominic Masters
+ *
+ * This software is released under the MIT License.
+ * https://opensource.org/licenses/MIT
+ */
+
+#pragma once
+#include "asset/loader/assetentry.h"
+#include "asset/loader/assetloader.h"
+
+#define ASSET_BATCH_COUNT_MAX 64
+
+typedef struct {
+  const char_t *path;
+  assetloadertype_t type;
+  assetloaderinput_t input;
+} assetbatchdesc_t;
+
+typedef struct {
+  assetentry_t *entries[ASSET_BATCH_COUNT_MAX];
+  assetloaderinput_t inputs[ASSET_BATCH_COUNT_MAX];
+  uint16_t count;
+} assetbatch_t;
+
+/**
+ * Initialises the batch from an array of descriptors. Each entry is locked
+ * and queued for loading immediately.
+ *
+ * @param batch  Batch to initialise.
+ * @param descs  Array of entry descriptors (need not outlive this call).
+ * @param count  Number of descriptors (must be <= ASSET_BATCH_COUNT_MAX).
+ */
+void assetBatchInit(
+  assetbatch_t *batch,
+  uint16_t count,
+  const assetbatchdesc_t *descs
+);
+
+/**
+ * Acquires one additional lock on every entry in the batch.
+ *
+ * @param batch Batch to lock.
+ */
+void assetBatchLock(assetbatch_t *batch);
+
+/**
+ * Releases one lock from every entry in the batch. When an entry's lock
+ * count reaches zero it will be reaped on the next assetUpdate.
+ *
+ * @param batch Batch to unlock.
+ */
+void assetBatchUnlock(assetbatch_t *batch);
+
+/**
+ * Returns true if every entry in the batch has finished loading.
+ *
+ * @param batch Batch to query.
+ */
+bool_t assetBatchIsLoaded(const assetbatch_t *batch);
+
+/**
+ * Returns true if any entry in the batch is in an error state.
+ *
+ * @param batch Batch to query.
+ */
+bool_t assetBatchHasError(const assetbatch_t *batch);
+
+/**
+ * Blocks until every entry is loaded. Returns an error if any entry fails.
+ *
+ * @param batch Batch to wait on.
+ */
+errorret_t assetBatchRequireLoaded(assetbatch_t *batch);
+
+/**
+ * Releases the batch's lock on every entry and clears the batch. After this
+ * call the batch struct may be reused with assetBatchInit.
+ *
+ * @param batch Batch to dispose.
+ */
+void assetBatchDispose(assetbatch_t *batch);

src/dusk/asset/assetfile.c

@@ -8,6 +8,7 @@
 #include "asset/asset.h"
 #include "assert/assert.h"
 #include "util/memory.h"
+#include "util/math.h"
 
 errorret_t assetFileInit(
   assetfile_t *file,
@@ -15,9 +16,11 @@ errorret_t assetFileInit(
   void *params,
   void *output
 ) {
-  memoryZero(file, sizeof(assetfile_t));
+  assertNotNull(file, "Asset file cannot be NULL.");
+  assertStrLenMax(filename, ASSET_FILE_NAME_MAX, "Filename too long.");
 
-  file->filename = filename;
+  memoryZero(file, sizeof(assetfile_t));
+  memoryCopy(file->filename, filename, ASSET_FILE_NAME_MAX);
   file->params = params;
   file->output = output;
 
@@ -70,6 +73,19 @@ errorret_t assetFileRead(
 ) {
   assertNotNull(file, "Asset file cannot be NULL.");
   assertNotNull(file->zipFile, "Asset file must be opened before reading.");
+  
+  if(buffer == NULL) {
+    size_t bytesRemaining = bufferSize;
+    uint8_t tempBuffer[256];
+    while(bytesRemaining > 0) {
+      size_t chunkSize = mathMin(bytesRemaining, sizeof(tempBuffer));
+      errorChain(assetFileRead(file, tempBuffer, chunkSize));
+      file->position += chunkSize;
+      bytesRemaining -= chunkSize;
+    }
+    file->lastRead = bufferSize;
+    errorOk();
+  }
 
   // I assume zip_fread takes buffer NULL for skipping?
   zip_int64_t bytesRead = zip_fread(file->zipFile, buffer, bufferSize);
@@ -132,7 +148,9 @@ size_t assetFileLineReaderUnreadBytes(const assetfilelinereader_t *reader) {
   return reader->bufferEnd - reader->bufferStart;
 }
 
-const uint8_t *assetFileLineReaderUnreadPtr(const assetfilelinereader_t *reader) {
+const uint8_t *assetFileLineReaderUnreadPtr(
+  const assetfilelinereader_t *reader
+) {
   assertNotNull(reader, "Reader cannot be NULL.");
   assertNotNull(reader->readBuffer, "Read buffer cannot be NULL.");
   return reader->readBuffer + reader->bufferStart;
@@ -151,7 +169,7 @@ static errorret_t assetFileLineReaderAppend(
   }
 
   /* reserve room for optional NUL terminator */
-  if (reader->lineLength + srcLength >= reader->outBufferSize) {
+  if(reader->lineLength + srcLength >= reader->outBufferSize) {
     errorThrow("Line length exceeds output buffer size.");
   }
 
@@ -163,18 +181,23 @@ static errorret_t assetFileLineReaderAppend(
 static void assetFileLineReaderTerminate(assetfilelinereader_t *reader) {
   assertNotNull(reader, "Reader cannot be NULL.");
   assertNotNull(reader->outBuffer, "Out buffer cannot be NULL.");
-  assertTrue(reader->lineLength < reader->outBufferSize, "Line length exceeds out buffer.");
+  assertTrue(
+    reader->lineLength < reader->outBufferSize,
+    "Line length exceeds out buffer."
+  );
   reader->outBuffer[reader->lineLength] = '\0';
 }
 
-static ssize_t assetFileLineReaderFindNewline(const assetfilelinereader_t *reader) {
+static ssize_t assetFileLineReaderFindNewline(
+  const assetfilelinereader_t *reader
+) {
   size_t i;
 
   assertNotNull(reader, "Reader cannot be NULL.");
   assertNotNull(reader->readBuffer, "Read buffer cannot be NULL.");
 
-  for (i = reader->bufferStart; i < reader->bufferEnd; ++i) {
+  for(i = reader->bufferStart; i < reader->bufferEnd; ++i) {
-    if (reader->readBuffer[i] == '\n') {
+    if(reader->readBuffer[i] == '\n') {
       return (ssize_t)i;
     }
   }
@@ -195,7 +218,7 @@ errorret_t assetFileLineReaderFill(assetfilelinereader_t *reader) {
   size_t unreadBytes = assetFileLineReaderUnreadBytes(reader);
 
   /* If buffer is fully consumed, refill from start. */
-  if (unreadBytes == 0) {
+  if(unreadBytes == 0) {
     reader->bufferStart = 0;
     reader->bufferEnd = 0;
 
@@ -262,15 +285,18 @@ errorret_t assetFileLineReaderNext(assetfilelinereader_t *reader) {
 
   reader->lineLength = 0;
 
-  for (;;) {
+  for(;;) {
     ssize_t newlineIndex = assetFileLineReaderFindNewline(reader);
 
-    if (newlineIndex >= 0) {
+    if(newlineIndex >= 0) {
       size_t chunkLength = (size_t)newlineIndex - reader->bufferStart;
       errorret_t ret;
 
       /* strip CR in CRLF */
-      if (chunkLength > 0 && reader->readBuffer[(size_t)newlineIndex - 1] == '\r') {
+      if(
+        chunkLength > 0 &&
+        reader->readBuffer[(size_t)newlineIndex - 1] == '\r'
+      ) {
         chunkLength--;
       }
 
@@ -285,7 +311,7 @@ errorret_t assetFileLineReaderNext(assetfilelinereader_t *reader) {
       errorOk();
     }
 
-    if (assetFileLineReaderUnreadBytes(reader) > 0) {
+    if(assetFileLineReaderUnreadBytes(reader) > 0) {
       errorChain(assetFileLineReaderAppend(
         reader,
         assetFileLineReaderUnreadPtr(reader),

src/dusk/asset/assetfile.h

@@ -9,12 +9,15 @@
 #include "error/error.h"
 #include <zip.h>
 
+#define ASSET_FILE_NAME_MAX 48
+
 typedef struct assetfile_s assetfile_t;
 
 typedef errorret_t (*assetfileloader_t)(assetfile_t *file);
 
+// Describes a file not yet loaded.
 typedef struct assetfile_s {
-  const char_t *filename;
+  char_t filename[ASSET_FILE_NAME_MAX];
   void *params;
   void *output;
 

src/dusk/asset/loader/CMakeLists.txt

@@ -4,9 +4,15 @@
 # https://opensource.org/licenses/MIT
 
 # Sources
+target_sources(${DUSK_LIBRARY_TARGET_NAME}
+  PUBLIC
+    assetentry.c
+    assetloader.c
+)
+
 
 # Subdirs
 add_subdirectory(display)
 add_subdirectory(locale)
-add_subdirectory(script)
+add_subdirectory(json)
-add_subdirectory(json)
+add_subdirectory(script)

src/dusk/asset/loader/assetentry.c

@@ -0,0 +1,73 @@
+/**
+ * Copyright (c) 2026 Dominic Masters
+ * 
+ * This software is released under the MIT License.
+ * https://opensource.org/licenses/MIT
+ */
+
+#include "assetentry.h"
+#include "assert/assert.h"
+#include "util/memory.h"
+#include "util/string.h"
+
+void assetEntryInit(
+  assetentry_t *entry,
+  const char_t *name,
+  const assetloadertype_t type,
+  assetloaderinput_t *input
+) {
+  assertNotNull(entry, "Entry cannot be NULL");
+  assertStrLenMin(name, 1, "Name cannot be empty");
+  assertStrLenMax(name, ASSET_FILE_NAME_MAX - 1, "Name too long");
+  assertTrue(type != ASSET_LOADER_TYPE_NULL, "Invalid loader type.");
+  assertTrue(type < ASSET_LOADER_TYPE_COUNT, "Invalid loader type.");
+
+  memoryZero(entry, sizeof(assetentry_t));
+  stringCopy(entry->name, name, ASSET_FILE_NAME_MAX);
+  entry->type = type;
+  entry->input = input;
+  entry->state = ASSET_ENTRY_STATE_NOT_STARTED;
+  refInit(&entry->refs, entry, NULL, NULL, NULL);
+}
+
+void assetEntryLock(assetentry_t *entry) {
+  assertNotNull(entry, "Entry cannot be NULL");
+  assertTrue(entry->type != ASSET_LOADER_TYPE_NULL, "Invalid loader type.");
+  refLock(&entry->refs);
+}
+
+void assetEntryUnlock(assetentry_t *entry) {
+  assertNotNull(entry, "Entry cannot be NULL");
+  assertTrue(entry->type != ASSET_LOADER_TYPE_NULL, "Invalid loader type.");
+  refUnlock(&entry->refs);
+}
+
+void assetEntryStartLoading(
+  assetentry_t *entry,
+  assetloading_t *loading
+) {
+  assertNotNull(entry, "Entry cannot be NULL");
+  assertNotNull(loading, "Loading cannot be NULL");
+  assertTrue(entry->type != ASSET_LOADER_TYPE_NULL, "Invalid loader type.");
+  assertTrue(
+    entry->state == ASSET_ENTRY_STATE_NOT_STARTED,
+    "Can only start loading from NOT_STARTED state."
+  );
+
+  entry->state = ASSET_ENTRY_STATE_PENDING_SYNC;
+  memoryZero(&loading->loading, sizeof(assetloaderloading_t));
+  loading->type = entry->type;
+  loading->entry = entry;
+  // At this point the asset manager will manage this thing's loading
+}
+
+errorret_t assetEntryDispose(assetentry_t *entry) {
+  assertNotNull(entry, "Entry cannot be NULL");
+
+  assertTrue(entry->type != ASSET_LOADER_TYPE_NULL, "Invalid loader type.");
+  assertTrue(entry->type < ASSET_LOADER_TYPE_COUNT, "Invalid loader type.");
+  
+  errorChain(ASSET_LOADER_CALLBACKS[entry->type].dispose(entry));
+  memoryZero(entry, sizeof(assetentry_t));
+  errorOk();
+}

src/dusk/asset/loader/assetentry.h

@@ -0,0 +1,86 @@
+/**
+ * Copyright (c) 2026 Dominic Masters
+ * 
+ * This software is released under the MIT License.
+ * https://opensource.org/licenses/MIT
+ */
+
+#pragma once
+#include "asset/loader/assetloading.h"
+#include "util/ref.h"
+
+typedef enum {
+  ASSET_ENTRY_STATE_NOT_STARTED,
+  ASSET_ENTRY_STATE_PENDING_ASYNC,
+  ASSET_ENTRY_STATE_LOADING_ASYNC,
+  ASSET_ENTRY_STATE_PENDING_SYNC,
+  ASSET_ENTRY_STATE_LOADING_SYNC,
+  ASSET_ENTRY_STATE_LOADED,
+  ASSET_ENTRY_STATE_ERROR
+} assetentrystate_t;
+
+typedef struct assetentry_s {
+  // Filename and cache key
+  char_t name[ASSET_FILE_NAME_MAX];
+  // What type of asset is this?
+  assetloadertype_t type;
+  // Data
+  assetloaderoutput_t data;
+  // What state is this asset entry in currently?
+  assetentrystate_t state;
+  // What is referencing this asset entry.
+  ref_t refs;
+  // Data that will be passed to the loader about how it should load.
+  assetloaderinput_t *input;
+} assetentry_t;
+
+/**
+ * Initializes an asset entry with the given name and type. This does not load
+ * the asset.
+ * 
+ * @param entry The asset entry to initialize.
+ * @param name The name of the asset, used as a key for loading and caching.
+ * @param type The type of asset this entry represents.
+ * @param input Data that will be passed to the loader about how it should load.
+ */
+void assetEntryInit(
+  assetentry_t *entry,
+  const char_t *name,
+  const assetloadertype_t type,
+  assetloaderinput_t *input
+);
+
+/**
+ * Locks an asset entry, preventing it from being freed until it is unlocked.
+ * 
+ * @param entry The asset entry to lock.
+ */
+void assetEntryLock(assetentry_t *entry);
+
+/**
+ * Unlocks an asset entry, allowing it to be freed if there are no more locks.
+ * 
+ * @param entry The asset entry to unlock.
+ */
+void assetEntryUnlock(assetentry_t *entry);
+
+/**
+ * Starts loading the given asset entry using an assetloading slot. This will
+ * be called by the asset manager when it deems it's a good time to begin the
+ * loading of this asset entry.
+ * 
+ * Currently we return the error but in future this will not be returned.
+ * 
+ * @param entry The asset entry to start loading.
+ * @param loading The assetloading slot to use for loading this asset entry.
+ * @return Any error that occurs during loading.
+ */
+void assetEntryStartLoading(assetentry_t *entry, assetloading_t *loading);
+
+/**
+ * Disposes an asset entry, freeing any resources it holds.
+ * 
+ * @param entry The asset entry to dispose.
+ * @return Any error that occurs during disposal.
+ */
+errorret_t assetEntryDispose(assetentry_t *entry);

src/dusk/asset/loader/assetloader.c

@@ -0,0 +1,48 @@
+/**
+ * Copyright (c) 2026 Dominic Masters
+ *
+ * This software is released under the MIT License.
+ * https://opensource.org/licenses/MIT
+ */
+
+#include "assetloader.h"
+
+assetloadercallbacks_t ASSET_LOADER_CALLBACKS[ASSET_LOADER_TYPE_COUNT] = {
+  [ASSET_LOADER_TYPE_NULL] = { 0 },
+
+  [ASSET_LOADER_TYPE_MESH] = {
+    .loadSync = assetMeshLoaderSync,
+    .loadAsync = assetMeshLoaderAsync,
+    .dispose = assetMeshDispose
+  },
+
+  [ASSET_LOADER_TYPE_TEXTURE] = {
+    .loadSync = assetTextureLoaderSync,
+    .loadAsync = assetTextureLoaderAsync,
+    .dispose = assetTextureDispose
+  },
+
+  [ASSET_LOADER_TYPE_TILESET] = {
+    .loadSync = assetTilesetLoaderSync,
+    .loadAsync = assetTilesetLoaderAsync,
+    .dispose = assetTilesetDispose
+  },
+
+  [ASSET_LOADER_TYPE_LOCALE] = {
+    .loadSync = assetLocaleLoaderSync,
+    .loadAsync = assetLocaleLoaderAsync,
+    .dispose = assetLocaleDispose
+  },
+
+  [ASSET_LOADER_TYPE_JSON] = {
+    .loadSync = assetJsonLoaderSync,
+    .loadAsync = assetJsonLoaderAsync,
+    .dispose = assetJsonDispose
+  },
+
+  [ASSET_LOADER_TYPE_SCRIPT] = {
+    .loadSync = assetScriptLoaderSync,
+    .loadAsync = assetScriptLoaderAsync,
+    .dispose = assetScriptDispose
+  },
+};

src/dusk/asset/loader/assetloader.h

@@ -0,0 +1,96 @@
+/**
+ * Copyright (c) 2026 Dominic Masters
+ * 
+ * This software is released under the MIT License.
+ * https://opensource.org/licenses/MIT
+ */
+
+#pragma once
+#include "asset/loader/display/assetmeshloader.h"
+#include "asset/loader/display/assettextureloader.h"
+#include "asset/loader/display/assettilesetloader.h"
+#include "asset/loader/locale/assetlocaleloader.h"
+#include "asset/loader/json/assetjsonloader.h"
+#include "asset/loader/script/assetscriptloader.h"
+
+typedef enum {
+  ASSET_LOADER_TYPE_NULL,
+
+  ASSET_LOADER_TYPE_MESH,
+  ASSET_LOADER_TYPE_TEXTURE,
+  ASSET_LOADER_TYPE_TILESET,
+  ASSET_LOADER_TYPE_LOCALE,
+  ASSET_LOADER_TYPE_JSON,
+  ASSET_LOADER_TYPE_SCRIPT,
+
+  ASSET_LOADER_TYPE_COUNT
+} assetloadertype_t;
+
+typedef union {
+  assetmeshloaderinput_t mesh;
+  assettextureloaderinput_t texture;
+  assettilesetloaderinput_t tileset;
+  assetlocaleloaderinput_t locale;
+  assetjsonloaderinput_t json;
+  assetscriptloaderinput_t script;
+} assetloaderinput_t;
+
+typedef union {
+  assetmeshloaderloading_t mesh;
+  assettextureloaderloading_t texture;
+  assettilesetloaderloading_t tileset;
+  assetlocaleloaderloading_t locale;
+  assetjsonloaderloading_t json;
+  assetscriptloaderloading_t script;
+} assetloaderloading_t;
+
+typedef union {
+  assetmeshoutput_t mesh;
+  assettextureoutput_t texture;
+  assettilesetoutput_t tileset;
+  assetlocaleoutput_t locale;
+  assetjsonoutput_t json;
+  assetscriptoutput_t script;
+} assetloaderoutput_t;
+
+typedef struct assetloading_s assetloading_t;
+typedef struct assetentry_s assetentry_t;
+
+typedef errorret_t (assetloadersynccallback_t)(assetloading_t *loading);
+typedef errorret_t (assetloaderasynccallback_t)(assetloading_t *loading);
+typedef errorret_t (assetloaderdisposecallback_t)(assetentry_t *entry);
+
+typedef struct {
+  assetloadersynccallback_t *loadSync;
+  assetloaderasynccallback_t *loadAsync;
+  assetloaderdisposecallback_t *dispose;
+} assetloadercallbacks_t;
+
+extern assetloadercallbacks_t ASSET_LOADER_CALLBACKS[ASSET_LOADER_TYPE_COUNT];
+
+/**
+ * Shorthand method to both chain an error (against the loader state) and to
+ * set the asset entry state to error.
+ * 
+ * @param loading The asset loading slot.
+ * @param ret The error return value to check and chain if it's an error.
+ */
+#define assetLoaderErrorChain(loading, _expr) {\
+  errorret_t _alec = (_expr); \
+  if(errorIsNotOk(_alec)) { \
+    (loading)->entry->state = ASSET_ENTRY_STATE_ERROR; \
+    errorChain(_alec); \
+  } \
+}
+
+/**
+ * Shorthand method to both throw an error (against the loader state) and to
+ * set the asset entry state to error.
+ * 
+ * @param loading The asset loading slot.
+ * @param ... Format string and arguments for the error message.
+ */
+#define assetLoaderErrorThrow(loading, ...) {\
+  loading->entry->state = ASSET_ENTRY_STATE_ERROR; \
+  errorThrow(__VA_ARGS__); \
+}

src/dusk/asset/loader/assetloading.h

@@ -0,0 +1,30 @@
+/**
+ * Copyright (c) 2026 Dominic Masters
+ * 
+ * This software is released under the MIT License.
+ * https://opensource.org/licenses/MIT
+ */
+
+#pragma once
+#include "assetloader.h"
+#include "asset/assetfile.h"
+#include "thread/threadmutex.h"
+
+typedef struct assetentry_s assetentry_t;
+
+typedef struct assetloading_s {
+  // Protects entry pointer and entry->state from concurrent access.
+  threadmutex_t mutex;
+  // What type of asset is being loaded.
+  assetloadertype_t type;
+  // Referral back to the asset entry that will be kept alive after load done.
+  assetentry_t *entry;
+  // Information used during the load operation only.
+  assetloaderloading_t loading;
+} assetloading_t;
+
+typedef errorret_t (assetloadingcallback_t)(assetloading_t *loading);
+
+typedef struct {
+  assetloadingcallback_t *loadSync;
+} assetloadingcallbacks_t;

src/dusk/asset/loader/display/CMakeLists.txt

@@ -6,6 +6,7 @@
 # Sources
 target_sources(${DUSK_LIBRARY_TARGET_NAME}
   PUBLIC
+    assetmeshloader.c
     assettextureloader.c
     assettilesetloader.c
 )

src/dusk/asset/loader/display/assetmeshloader.c

@@ -0,0 +1,174 @@
+/**
+ * Copyright (c) 2026 Dominic Masters
+ *
+ * This software is released under the MIT License.
+ * https://opensource.org/licenses/MIT
+ */
+
+#include "assetmeshloader.h"
+#include "assert/assert.h"
+#include "util/endian.h"
+#include "util/memory.h"
+#include "asset/loader/assetloading.h"
+#include "asset/loader/assetentry.h"
+
+errorret_t assetMeshLoaderAsync(assetloading_t *loading) {
+  assertNotNull(loading, "Loading cannot be NULL");
+
+  if(loading->loading.mesh.state != ASSET_MESH_LOADING_STATE_READ_FILE) {
+    errorOk();
+  }
+
+  assetmeshoutput_t *out = &loading->entry->data.mesh;
+  assetfile_t *file = &loading->loading.mesh.file;
+  assetmeshinputaxis_t axis = loading->entry->input->mesh;
+
+  assetLoaderErrorChain(loading, assetFileInit(file, loading->entry->name, NULL, NULL));
+  assetLoaderErrorChain(loading, assetFileOpen(file));
+
+  // Skip the 80-byte STL header.
+  assetLoaderErrorChain(loading, assetFileRead(file, NULL, 80));
+  if(file->lastRead != 80) {
+    assetLoaderErrorThrow(loading, "Failed to skip STL header.");
+  }
+
+  uint32_t triangleCount;
+  assetLoaderErrorChain(loading, assetFileRead(file, &triangleCount, sizeof(uint32_t)));
+  if(file->lastRead != sizeof(uint32_t)) {
+    assetLoaderErrorThrow(loading, "Failed to read tri count");
+  }
+  triangleCount = endianLittleToHost32(triangleCount);
+
+  out->vertices = memoryAllocate(sizeof(meshvertex_t) * triangleCount * 3);
+  meshvertex_t *verts = out->vertices;
+
+  errorret_t ret;
+  for(uint32_t i = 0; i < triangleCount; i++) {
+    assetmeshstltriangle_t triData;
+    ret = assetFileRead(file, &triData, sizeof(triData));
+    if(errorIsNotOk(ret)) {
+      memoryFree(verts);
+      out->vertices = NULL;
+      assetLoaderErrorChain(loading, ret);
+    }
+    if(file->lastRead != sizeof(triData)) {
+      memoryFree(verts);
+      out->vertices = NULL;
+      assetLoaderErrorThrow(loading, "Failed to read triangle data");
+    }
+
+    for(uint8_t j = 0; j < 3; j++) {
+      #if MESH_ENABLE_COLOR
+        verts[i * 3 + j].color.r = (
+          (uint8_t)(endianLittleToHostFloat(triData.normal[0]) * 255.0f)
+        );
+        verts[i * 3 + j].color.g = (
+          (uint8_t)(endianLittleToHostFloat(triData.normal[1]) * 255.0f)
+        );
+        verts[i * 3 + j].color.b = (
+          (uint8_t)(endianLittleToHostFloat(triData.normal[2]) * 255.0f)
+        );
+        verts[i * 3 + j].color.a = 0xFF;
+      #endif
+
+      verts[i * 3 + j].uv[0] = 0.0f;
+      verts[i * 3 + j].uv[1] = 0.0f;
+
+      for(uint8_t k = 0; k < 3; k++) {
+        verts[i * 3 + j].pos[k] = endianLittleToHostFloat(triData.positions[j][k]);
+      }
+
+      switch(axis) {
+        case MESH_INPUT_AXIS_Z_UP: {
+          float_t temp = verts[i * 3 + j].pos[1];
+          verts[i * 3 + j].pos[1] = verts[i * 3 + j].pos[2];
+          verts[i * 3 + j].pos[2] = temp;
+          break;
+        }
+        case MESH_INPUT_AXIS_X_UP: {
+          float_t temp = verts[i * 3 + j].pos[0];
+          verts[i * 3 + j].pos[0] = verts[i * 3 + j].pos[1];
+          verts[i * 3 + j].pos[1] = temp;
+          break;
+        }
+        case MESH_INPUT_AXIS_Y_DOWN:
+          verts[i * 3 + j].pos[1] = -verts[i * 3 + j].pos[1];
+          break;
+        case MESH_INPUT_AXIS_Z_DOWN: {
+          float_t temp = verts[i * 3 + j].pos[1];
+          verts[i * 3 + j].pos[1] = -verts[i * 3 + j].pos[2];
+          verts[i * 3 + j].pos[2] = temp;
+          break;
+        }
+        case MESH_INPUT_AXIS_X_DOWN: {
+          float_t temp = verts[i * 3 + j].pos[0];
+          verts[i * 3 + j].pos[0] = verts[i * 3 + j].pos[1];
+          verts[i * 3 + j].pos[1] = -temp;
+          break;
+        }
+        case MESH_INPUT_AXIS_Y_UP:
+        default:
+          break;
+      }
+    }
+  }
+
+  ret = assetFileClose(file);
+  if(errorIsNotOk(ret)) {
+    memoryFree(verts);
+    out->vertices = NULL;
+    assetLoaderErrorChain(loading, ret);
+  }
+  assetFileDispose(file);
+
+  loading->loading.mesh.triangleCount = triangleCount;
+  loading->loading.mesh.state = ASSET_MESH_LOADING_STATE_CREATE_MESH;
+  loading->entry->state = ASSET_ENTRY_STATE_PENDING_SYNC;
+  errorOk();
+}
+
+errorret_t assetMeshLoaderSync(assetloading_t *loading) {
+  assertNotNull(loading, "Loading cannot be NULL");
+  assertTrue(loading->type == ASSET_LOADER_TYPE_MESH, "Invalid type.");
+
+  switch(loading->loading.mesh.state) {
+    case ASSET_MESH_LOADING_STATE_INITIAL:
+      loading->loading.mesh.state = ASSET_MESH_LOADING_STATE_READ_FILE;
+      loading->entry->state = ASSET_ENTRY_STATE_PENDING_ASYNC;
+      errorOk();
+      break;
+
+    case ASSET_MESH_LOADING_STATE_CREATE_MESH:
+      break;
+
+    default:
+      errorOk();
+  }
+
+  assetmeshoutput_t *out = &loading->entry->data.mesh;
+  assertNotNull(out->vertices, "Mesh vertices should have been loaded by now.");
+
+  errorret_t ret = meshInit(
+    &out->mesh,
+    MESH_PRIMITIVE_TYPE_TRIANGLES,
+    loading->loading.mesh.triangleCount * 3,
+    out->vertices
+  );
+  if(errorIsNotOk(ret)) {
+    loading->entry->state = ASSET_ENTRY_STATE_ERROR;
+    memoryFree(out->vertices);
+    out->vertices = NULL;
+    assetLoaderErrorChain(loading, ret);
+  }
+
+  loading->entry->state = ASSET_ENTRY_STATE_LOADED;
+  errorOk();
+}
+
+errorret_t assetMeshDispose(assetentry_t *entry) {
+  assertNotNull(entry, "Asset entry cannot be NULL");
+  assertTrue(entry->type == ASSET_LOADER_TYPE_MESH, "Invalid type.");
+  errorChain(meshDispose(&entry->data.mesh.mesh));
+  memoryFree(entry->data.mesh.vertices);
+  errorOk();
+}

src/dusk/asset/loader/display/assetmeshloader.h

@@ -0,0 +1,58 @@
+/**
+ * Copyright (c) 2026 Dominic Masters
+ *
+ * This software is released under the MIT License.
+ * https://opensource.org/licenses/MIT
+ */
+
+#pragma once
+#include "asset/assetfile.h"
+#include "display/mesh/mesh.h"
+#include "assert/assert.h"
+
+typedef struct assetloading_s assetloading_t;
+typedef struct assetentry_s assetentry_t;
+
+typedef enum {
+  MESH_INPUT_AXIS_Y_UP,
+  MESH_INPUT_AXIS_Z_UP,
+  MESH_INPUT_AXIS_X_UP,
+
+  MESH_INPUT_AXIS_Y_DOWN,
+  MESH_INPUT_AXIS_Z_DOWN,
+  MESH_INPUT_AXIS_X_DOWN,
+} assetmeshinputaxis_t;
+
+typedef assetmeshinputaxis_t assetmeshloaderinput_t;
+
+typedef enum {
+  ASSET_MESH_LOADING_STATE_INITIAL,
+  ASSET_MESH_LOADING_STATE_READ_FILE,
+  ASSET_MESH_LOADING_STATE_CREATE_MESH,
+  ASSET_MESH_LOADING_STATE_DONE
+} assetmeshloadingstate_t;
+
+typedef struct {
+  assetfile_t file;
+  assetmeshloadingstate_t state;
+  uint32_t triangleCount;
+} assetmeshloaderloading_t;
+
+typedef struct {
+  mesh_t mesh;
+  meshvertex_t *vertices;
+} assetmeshoutput_t;
+
+#pragma pack(push, 1)
+typedef struct {
+  vec3 normal;
+  float_t positions[3][3];
+  uint16_t attributeByteCount;
+} assetmeshstltriangle_t;
+#pragma pack(pop)
+
+assertStructSize(assetmeshstltriangle_t, 50);
+
+errorret_t assetMeshLoaderAsync(assetloading_t *loading);
+errorret_t assetMeshLoaderSync(assetloading_t *loading);
+errorret_t assetMeshDispose(assetentry_t *entry);

src/dusk/asset/loader/display/assettextureloader.c

@@ -11,6 +11,8 @@
 #include "stb_image.h"
 #include "log/log.h"
 #include "util/endian.h"
+#include "asset/loader/assetloading.h"
+#include "asset/loader/assetentry.h"
 
 stbi_io_callbacks ASSET_TEXTURE_STB_CALLBACKS = {
   .read = assetTextureReader,
@@ -25,7 +27,7 @@ int assetTextureReader(void *user, char *data, int size) {
   assertNotNull(file, "Asset file in stb_image callbacks cannot be NULL.");
   
   errorret_t ret = assetFileRead(file, data, (size_t)size);
-  if(ret.code != ERROR_OK) {
+  if(errorIsNotOk(ret)) {
     errorCatch(errorPrint(ret));
     return -1;
   }
@@ -38,7 +40,7 @@ void assetTextureSkipper(void *user, int n) {
   assertNotNull(file, "Asset file in stb_image callbacks cannot be NULL.");
 
   errorret_t ret = assetFileRead(file, NULL, (size_t)n);
-  if(ret.code != ERROR_OK) {
+  if(errorIsNotOk(ret)) {
     errorCatch(errorPrint(ret));
   }
 }
@@ -50,66 +52,114 @@ int assetTextureEOF(void *user) {
   return file->position >= file->size;
 }
 
-errorret_t assetTextureLoader(assetfile_t *file) {
+errorret_t assetTextureLoaderAsync(assetloading_t *loading) {
-  assertNotNull(file, "Asset file cannot be NULL.");
+  assertNotNull(loading, "Loading cannot be NULL");
-  assertNotNull(file->params, "Asset file parameters cannot be NULL.");
-  assertNotNull(file->output, "Asset file output cannot be NULL.");
 
-  assettextureloaderparams_t *p = (assettextureloaderparams_t*)file->params;
+  // Only care about loading pixels.
-  assertNotNull(p, "Asset texture loader parameters cannot be NULL.");
+  if(loading->loading.texture.state != ASSET_TEXTURE_LOADING_STATE_LOAD_PIXELS){
+    errorOk();
+  }
 
+  // Init the file
+  assertNull(
+    loading->loading.texture.data, "Pixels already defined?"
+  );
+
+  assetfile_t *file = &loading->loading.texture.file;
+  assetLoaderErrorChain(loading, assetFileInit(
+    file,
+    loading->entry->name,
+    NULL,
+    &loading->entry->data.texture
+  ));
+  assetLoaderErrorChain(loading, assetFileOpen(file));
+
+  // Determine channels
   int channelsDesired;
-  switch(p->format) {
+  switch(loading->entry->input->texture) {
     case TEXTURE_FORMAT_RGBA:
       channelsDesired = 4;
       break;
 
     default:
-      errorThrow("Bad texture format.");
+      assetLoaderErrorThrow(loading, "Bad texture format.");
   }
 
-  int width, height, channels;
+  // Load image pixels.
-  errorChain(assetFileOpen(file));
+  loading->loading.texture.data = stbi_load_from_callbacks(
-  uint8_t *data = stbi_load_from_callbacks(
     &ASSET_TEXTURE_STB_CALLBACKS,
     file,
-    &width,
+    &loading->loading.texture.width,
-    &height,
+    &loading->loading.texture.height,
-    &channels,
+    &loading->loading.texture.channels,
     channelsDesired
   );
-  errorChain(assetFileClose(file));
 
-  if(data == NULL) {
+  // Close out the file.
+  assetLoaderErrorChain(loading, assetFileClose(file));
+  assetLoaderErrorChain(loading, assetFileDispose(file));
+
+  // Ensure we loaded correctly.
+  if(loading->loading.texture.data == NULL) {
     const char_t *errorStr = stbi_failure_reason();
-    errorThrow("Failed to load texture from file %s.", errorStr);
+    assetLoaderErrorThrow(loading, "Failed to load texture from file %s.", errorStr);
   }
 
   // Fixes a specific bug probably with Dolphin but for now just assuming endian
   if(!isHostLittleEndian()) {
-    stbi__vertical_flip(data, width, height, channelsDesired);
+    stbi__vertical_flip(
+      loading->loading.texture.data,
+      loading->loading.texture.width,
+      loading->loading.texture.height,
+      loading->loading.texture.channels
+    );
   }
 
-  errorChain(textureInit(
+  loading->loading.texture.state = ASSET_TEXTURE_LOADING_STATE_CREATE_TEXTURE;
-    (texture_t*)file->output,
+  loading->entry->state = ASSET_ENTRY_STATE_PENDING_SYNC;
-    (int32_t)width, (int32_t)height,
-    p->format,
-    (texturedata_t){
-      .rgbaColors = (color_t*)data
-    }
-  ));
-
-  stbi_image_free(data);
   errorOk();
 }
 
-errorret_t assetTextureLoad(
+errorret_t assetTextureLoaderSync(assetloading_t *loading) {
-  const char_t *path,
+  assertNotNull(loading, "Loading cannot be NULL");
-  texture_t *out,
+
-  const textureformat_t format
+  switch(loading->loading.texture.state) {
-) {
+    case ASSET_TEXTURE_LOADING_STATE_INITIAL:
-  assettextureloaderparams_t params = {
+      loading->loading.texture.state = ASSET_TEXTURE_LOADING_STATE_LOAD_PIXELS;
-    .format = format
+      loading->entry->state = ASSET_ENTRY_STATE_PENDING_ASYNC;
-  };
+      errorOk();
-  return assetLoad(path, assetTextureLoader, &params, out);
+      break;
+      
+    case ASSET_TEXTURE_LOADING_STATE_CREATE_TEXTURE:
+      break;
+
+    default:
+      errorOk();
+  }
+
+  // Create the texture.
+  assertNotNull(
+    loading->loading.texture.data, "Pixels should have been loaded by now."
+  );
+
+  assetLoaderErrorChain(loading, textureInit(
+    (texture_t*)&loading->entry->data.texture,
+    loading->loading.texture.width,
+    loading->loading.texture.height,
+    loading->entry->input->texture,
+    (texturedata_t){
+      .rgbaColors = (color_t*)loading->loading.texture.data
+    }
+  ));
+
+  // Free the pixels.
+  stbi_image_free(loading->loading.texture.data);
+
+  loading->entry->state = ASSET_ENTRY_STATE_LOADED;
+  errorOk();
+}
+
+errorret_t assetTextureDispose(assetentry_t *entry) {
+  assertNotNull(entry, "Asset entry cannot be NULL");
+  return textureDispose(&entry->data.texture);
 }

src/dusk/asset/loader/display/assettextureloader.h

@@ -6,12 +6,29 @@
  */
 
 #pragma once
-#include "asset/asset.h"
+#include "asset/assetfile.h"
 #include "display/texture/texture.h"
 
+typedef struct assetloading_s assetloading_t;
+typedef struct assetentry_s assetentry_t;
+typedef textureformat_t assettextureloaderinput_t;
+
+typedef enum {
+  ASSET_TEXTURE_LOADING_STATE_INITIAL,
+  ASSET_TEXTURE_LOADING_STATE_LOAD_PIXELS,
+  ASSET_TEXTURE_LOADING_STATE_CREATE_TEXTURE,
+  ASSET_TEXTURE_LOADING_STATE_DONE
+} assettextureloadingstate_t;
+
 typedef struct {
-  textureformat_t format;
+  assetfile_t file;
-} assettextureloaderparams_t;
+  assettextureloadingstate_t state;
+
+  int channels, width, height;
+  uint8_t *data;
+} assettextureloaderloading_t;
+
+typedef texture_t assettextureoutput_t;
 
 /**
  * STB image read callback for asset files.
@@ -23,28 +40,42 @@ typedef struct {
  */
 int assetTextureReader(void *user, char *data, int size);
 
+/**
+ * STB image skip callback for asset files.
+ * 
+ * @param user User data passed to the callback, should be an assetfile_t*.
+ * @param n Number of bytes to skip in the file.
+ */
 void assetTextureSkipper(void *user, int n);
 
+/**
+ * STB image EOF callback for asset files.
+ * 
+ * @param user User data passed to the callback, should be an assetfile_t*.
+ * @return Non-zero if end of file has been reached, zero otherwise.
+ */
 int assetTextureEOF(void *user);
 
 /**
- * Handler for texture assets.
+ * Synchronous loader for texture assets.
  * 
- * @param file Asset file to load the texture from.
+ * @param loading Loading information for the asset being loaded.
- * @return Any error that occurs during loading.
+ * @return Error code indicating success or failure of the load operation.
  */
-errorret_t assetTextureLoader(assetfile_t *file);
+errorret_t assetTextureLoaderAsync(assetloading_t *loading);
 
 /**
- * Loads a texture from the specified path.
+ * Synchronous loader for texture assets.
  * 
- * @param path Path to the texture asset.
+ * @param loading Loading information for the asset being loaded.
- * @param out Output texture to load into.
+ * @return Error code indicating success or failure of the load operation.
- * @param format Format of the texture to load.
- * @return Any error that occurs during loading.
  */
-errorret_t assetTextureLoad(
+errorret_t assetTextureLoaderSync(assetloading_t *loading);
-  const char_t *path,
+
-  texture_t *out,
+/**
-  const textureformat_t format
+ * Disposer for texture assets.
-);
+ * 
+ * @param entry Asset entry containing the texture to dispose.
+ * @return Error code indicating success or failure of the dispose operation.
+ */
+errorret_t assetTextureDispose(assetentry_t *entry);

src/dusk/asset/loader/display/assettilesetloader.c

@@ -1,6 +1,6 @@
 /**
  * Copyright (c) 2026 Dominic Masters
- * 
+ *
  * This software is released under the MIT License.
  * https://opensource.org/licenses/MIT
  */
@@ -9,72 +9,107 @@
 #include "assert/assert.h"
 #include "util/memory.h"
 #include "util/endian.h"
+#include "asset/loader/assetloading.h"
+#include "asset/loader/assetentry.h"
 
-errorret_t assetTilesetLoader(assetfile_t *file) {
+errorret_t assetTilesetLoaderAsync(assetloading_t *loading) {
-  assertNotNull(file, "Asset file pointer for tileset loader is null.");
+  assertNotNull(loading, "Loading cannot be NULL");
 
-  tileset_t *out = (tileset_t *)file->output;
+  if(loading->loading.tileset.state != ASSET_TILESET_LOADING_STATE_READ_FILE) {
-  assertNotNull(out, "Output pointer for tileset loader is null.");
+    errorOk();
-
-  uint8_t *entire = memoryAllocate(file->size);
-  errorChain(assetFileOpen(file));
-  errorChain(assetFileRead(file, entire, file->size));
-  errorChain(assetFileClose(file));
-  assertTrue(file->lastRead == file->size, "Failed to read entire file.");
-
-
-  if(
-    entire[0] != 'D' || 
-    entire[1] != 'T' ||
-    entire[2] != 'F'
-  ) {
-    errorThrow("Invalid tileset header");
   }
 
-  if(entire[3] != 0x00) {
+  assertNull(loading->loading.tileset.data, "Data already defined?");
-    errorThrow("Unsupported tileset version");
-  }
 
-  // Fix endianness
+  assetfile_t *file = &loading->loading.tileset.file;
+  assetLoaderErrorChain(loading, assetFileInit(file, loading->entry->name, NULL, NULL));
 
-  out->tileWidth = endianLittleToHost16(*(uint16_t *)(entire + 4));
+  uint8_t *data = memoryAllocate(file->size);
-  out->tileHeight = endianLittleToHost16(*(uint16_t *)(entire + 6));
+  assetLoaderErrorChain(loading, assetFileOpen(file));
-  out->columns = endianLittleToHost16(*(uint16_t *)(entire + 8));
+  assetLoaderErrorChain(loading, assetFileRead(file, data, file->size));
-  out->rows = endianLittleToHost16(*(uint16_t *)(entire + 10));
+  assetLoaderErrorChain(loading, assetFileClose(file));
-  // out->right = endianLittleToHost16(*(uint16_t *)(entire + 12));
+  assetLoaderErrorChain(loading, assetFileDispose(file));
-  // out->bottom = endianLittleToHost16(*(uint16_t *)(entire + 14));
+  assertTrue(file->lastRead == file->size, "Failed to read entire tileset file.");
-
-  if(out->tileWidth == 0) {
-    errorThrow("Tile width cannot be 0");
-  }
-  if(out->tileHeight == 0) {
-    errorThrow("Tile height cannot be 0");
-  }
-  if(out->columns == 0) {
-    errorThrow("Column count cannot be 0");
-  }
-  if(out->rows == 0) {
-    errorThrow("Row count cannot be 0");
-  }
-
-  out->uv[0] = endianLittleToHostFloat(*(float *)(entire + 16));
-  out->uv[1] = endianLittleToHostFloat(*(float *)(entire + 20));
-
-  if(out->uv[1] < 0.0f || out->uv[1] > 1.0f) {
-    errorThrow("Invalid v0 value in tileset");
-  }
-
-  // Setup tileset
-  out->tileCount = out->columns * out->rows;
-
-  memoryFree(entire);
 
+  loading->loading.tileset.data = data;
+  loading->loading.tileset.state = ASSET_TILESET_LOADING_STATE_PARSE;
+  loading->entry->state = ASSET_ENTRY_STATE_PENDING_SYNC;
   errorOk();
 }
 
-errorret_t assetTilesetLoad(
+errorret_t assetTilesetLoaderSync(assetloading_t *loading) {
-  const char_t *path,
+  assertNotNull(loading, "Loading cannot be NULL");
-  tileset_t *out
+  assertTrue(loading->type == ASSET_LOADER_TYPE_TILESET, "Invalid type.");
-) {
+
-  return assetLoad(path, assetTilesetLoader, NULL, out);
+  switch(loading->loading.tileset.state) {
-}
+    case ASSET_TILESET_LOADING_STATE_INITIAL:
+      loading->loading.tileset.state = ASSET_TILESET_LOADING_STATE_READ_FILE;
+      loading->entry->state = ASSET_ENTRY_STATE_PENDING_ASYNC;
+      errorOk();
+      break;
+
+    case ASSET_TILESET_LOADING_STATE_PARSE:
+      break;
+
+    default:
+      errorOk();
+  }
+
+  uint8_t *data = loading->loading.tileset.data;
+  assertNotNull(data, "Tileset data should have been loaded by now.");
+
+  tileset_t *out = &loading->entry->data.tileset;
+
+  if(data[0] != 'D' || data[1] != 'T' || data[2] != 'F') {
+    memoryFree(data);
+    assetLoaderErrorThrow(loading, "Invalid tileset header");
+  }
+
+  if(data[3] != 0x00) {
+    memoryFree(data);
+    assetLoaderErrorThrow(loading, "Unsupported tileset version");
+  }
+
+  out->tileWidth = endianLittleToHost16(*(uint16_t *)(data + 4));
+  out->tileHeight = endianLittleToHost16(*(uint16_t *)(data + 6));
+  out->columns = endianLittleToHost16(*(uint16_t *)(data + 8));
+  out->rows = endianLittleToHost16(*(uint16_t *)(data + 10));
+
+  if(out->tileWidth == 0) {
+    memoryFree(data);
+    assetLoaderErrorThrow(loading, "Tile width cannot be 0");
+  }
+  if(out->tileHeight == 0) {
+    memoryFree(data);
+    assetLoaderErrorThrow(loading, "Tile height cannot be 0");
+  }
+  if(out->columns == 0) {
+    memoryFree(data);
+    assetLoaderErrorThrow(loading, "Column count cannot be 0");
+  }
+  if(out->rows == 0) {
+    memoryFree(data);
+    assetLoaderErrorThrow(loading, "Row count cannot be 0");
+  }
+
+  out->uv[0] = endianLittleToHostFloat(*(float *)(data + 16));
+  out->uv[1] = endianLittleToHostFloat(*(float *)(data + 20));
+
+  if(out->uv[1] < 0.0f || out->uv[1] > 1.0f) {
+    memoryFree(data);
+    assetLoaderErrorThrow(loading, "Invalid v0 value in tileset");
+  }
+
+  out->tileCount = out->columns * out->rows;
+  memoryFree(data);
+  loading->loading.tileset.data = NULL;
+
+  loading->entry->state = ASSET_ENTRY_STATE_LOADED;
+  errorOk();
+}
+
+errorret_t assetTilesetDispose(assetentry_t *entry) {
+  assertNotNull(entry, "Entry cannot be NULL");
+  assertTrue(entry->type == ASSET_LOADER_TYPE_TILESET, "Invalid type.");
+  errorOk();
+}

src/dusk/asset/loader/display/assettilesetloader.h

@@ -1,30 +1,60 @@
 /**
  * Copyright (c) 2026 Dominic Masters
- * 
+ *
  * This software is released under the MIT License.
  * https://opensource.org/licenses/MIT
  */
 
 #pragma once
-#include "asset/asset.h"
+#include "asset/assetfile.h"
 #include "display/texture/tileset.h"
 
-/**
+typedef struct assetloading_s assetloading_t;
- * Handler for tileset assets.
+typedef struct assetentry_s assetentry_t;
- * 
+
- * @param file Asset file to load the tileset from.
+typedef struct {
- * @return Any error that occurs during loading.
+  void *nothing;
- */
+} assettilesetloaderinput_t;
-errorret_t assetTilesetLoader(assetfile_t *file);
+
+typedef enum {
+  ASSET_TILESET_LOADING_STATE_INITIAL,
+  ASSET_TILESET_LOADING_STATE_READ_FILE,
+  ASSET_TILESET_LOADING_STATE_PARSE,
+  ASSET_TILESET_LOADING_STATE_DONE
+} assettilesetloadingstate_t;
+
+typedef struct {
+  assetfile_t file;
+  assettilesetloadingstate_t state;
+
+  uint8_t *data;
+} assettilesetloaderloading_t;
+
+typedef tileset_t assettilesetoutput_t;
 
 /**
- * Loads a tileset from the specified path.
+ * Asynchronous loader for tileset assets. Reads the raw DTF file bytes into
- * 
+ * the loading buffer so the sync phase can parse without blocking the main
- * @param path Path to the tileset asset.
+ * thread on I/O.
- * @param out Output tileset to load into.
+ *
- * @return Any error that occurs during loading.
+ * @param loading Loading information for the asset being loaded.
+ * @return Error code indicating success or failure of the load operation.
  */
-errorret_t assetTilesetLoad(
+errorret_t assetTilesetLoaderAsync(assetloading_t *loading);
-  const char_t *path,
+
-  tileset_t *out
+/**
-);
+ * Synchronous loader for tileset assets. Parses the DTF binary previously
+ * read by the async phase and populates the output tileset_t.
+ *
+ * @param loading Loading information for the asset being loaded.
+ * @return Error code indicating success or failure of the load operation.
+ */
+errorret_t assetTilesetLoaderSync(assetloading_t *loading);
+
+/**
+ * Disposer for tileset assets.
+ *
+ * @param entry Asset entry containing the tileset to dispose.
+ * @return Error code indicating success or failure of the dispose operation.
+ */
+errorret_t assetTilesetDispose(assetentry_t *entry);

src/dusk/asset/loader/json/assetjsonloader.c

@@ -1,6 +1,6 @@
 /**
  * Copyright (c) 2026 Dominic Masters
- * 
+ *
  * This software is released under the MIT License.
  * https://opensource.org/licenses/MIT
  */
@@ -8,46 +8,81 @@
 #include "assetjsonloader.h"
 #include "util/memory.h"
 #include "assert/assert.h"
+#include "asset/loader/assetloading.h"
+#include "asset/loader/assetentry.h"
 
-errorret_t assetJsonLoadFileToDoc(assetfile_t *file, yyjson_doc **outDoc) {
+errorret_t assetJsonLoaderAsync(assetloading_t *loading) {
-  assertNotNull(file, "Asset file pointer for JSON loader is null.");
+  assertNotNull(loading, "Loading cannot be NULL");
-  assertNotNull(outDoc, "Output pointer for JSON loader is null.");
 
-  if(file->size > ASSET_JSON_FILE_SIZE_MAX) {
+  if(loading->loading.json.state != ASSET_JSON_LOADING_STATE_READ_FILE) {
-    errorThrow("JSON exceeds maximum allowed size");
+    errorOk();
   }
 
-  // Create buffer
+  assertNull(loading->loading.json.buffer, "Buffer already defined?");
-  uint8_t *buffer = memoryAllocate(file->size);
 
-  errorChain(assetFileOpen(file));
+  assetfile_t *file = &loading->loading.json.file;
+  assetLoaderErrorChain(loading, assetFileInit(file, loading->entry->name, NULL, NULL));
 
-  // Read entire file
+  if(file->size > ASSET_JSON_FILE_SIZE_MAX) {
-  errorChain(assetFileRead(file, buffer, file->size));
+    assetLoaderErrorThrow(loading, "JSON exceeds maximum allowed size");
+  }
+
+  size_t fileSize = (size_t)file->size;
+  uint8_t *buffer = memoryAllocate(fileSize);
+  assetLoaderErrorChain(loading, assetFileOpen(file));
+  assetLoaderErrorChain(loading, assetFileRead(file, buffer, fileSize));
   assertTrue(file->lastRead == file->size, "Failed to read entire JSON file.");
+  assetLoaderErrorChain(loading, assetFileClose(file));
+  assetLoaderErrorChain(loading, assetFileDispose(file));
 
-  errorChain(assetFileClose(file));
+  loading->loading.json.buffer = buffer;
-
+  loading->loading.json.size = fileSize;
-  *outDoc = yyjson_read(
+  loading->loading.json.state = ASSET_JSON_LOADING_STATE_PARSE;
-    buffer,
+  loading->entry->state = ASSET_ENTRY_STATE_PENDING_SYNC;
-    file->size,
-    YYJSON_READ_ALLOW_COMMENTS | YYJSON_READ_ALLOW_TRAILING_COMMAS
-  );
-  memoryFree(buffer);
-
-  if(!*outDoc) errorThrow("Failed to parse JSON");
   errorOk();
 }
 
-errorret_t assetJsonLoader(assetfile_t *file) {
+errorret_t assetJsonLoaderSync(assetloading_t *loading) {
-  yyjson_doc **outDoc = (yyjson_doc **)file->output;
+  assertNotNull(loading, "Loading cannot be NULL");
-  assertNotNull(outDoc, "Output pointer for JSON loader is null.");
+  assertTrue(loading->type == ASSET_LOADER_TYPE_JSON, "Invalid type.");
-  return assetJsonLoadFileToDoc(file, outDoc);
+
+  switch(loading->loading.json.state) {
+    case ASSET_JSON_LOADING_STATE_INITIAL:
+      loading->loading.json.state = ASSET_JSON_LOADING_STATE_READ_FILE;
+      loading->entry->state = ASSET_ENTRY_STATE_PENDING_ASYNC;
+      errorOk();
+      break;
+
+    case ASSET_JSON_LOADING_STATE_PARSE:
+      break;
+
+    default:
+      errorOk();
+  }
+
+  uint8_t *buffer = loading->loading.json.buffer;
+  assertNotNull(buffer, "JSON buffer should have been loaded by now.");
+
+  loading->entry->data.json = yyjson_read(
+    (char *)buffer,
+    loading->loading.json.size,
+    YYJSON_READ_ALLOW_COMMENTS | YYJSON_READ_ALLOW_TRAILING_COMMAS
+  );
+  memoryFree(buffer);
+  loading->loading.json.buffer = NULL;
+
+  if(!loading->entry->data.json) {
+    assetLoaderErrorThrow(loading, "Failed to parse JSON");
+  }
+
+  loading->entry->state = ASSET_ENTRY_STATE_LOADED;
+  errorOk();
 }
 
-errorret_t assetJsonLoad(
+errorret_t assetJsonDispose(assetentry_t *entry) {
-  const char_t *path,
+  assertNotNull(entry, "Asset entry cannot be NULL");
-  yyjson_doc **outDoc
+  assertTrue(entry->type == ASSET_LOADER_TYPE_JSON, "Invalid type.");
-) {
+  yyjson_doc_free(entry->data.json);
-  return assetLoad(path, assetJsonLoader, NULL, outDoc);
+  entry->data.json = NULL;
-}
+  errorOk();
+}

src/dusk/asset/loader/json/assetjsonloader.h

@@ -1,45 +1,37 @@
 /**
  * Copyright (c) 2026 Dominic Masters
- * 
+ *
  * This software is released under the MIT License.
  * https://opensource.org/licenses/MIT
  */
 
 #pragma once
-#include "asset/asset.h"
+#include "asset/assetfile.h"
 #include "yyjson.h"
 
 #define ASSET_JSON_FILE_SIZE_MAX 1024*256
 
+typedef struct assetloading_s assetloading_t;
+typedef struct assetentry_s assetentry_t;
+
+typedef struct { void *nothing; } assetjsonloaderinput_t;
+
+typedef enum {
+  ASSET_JSON_LOADING_STATE_INITIAL,
+  ASSET_JSON_LOADING_STATE_READ_FILE,
+  ASSET_JSON_LOADING_STATE_PARSE,
+  ASSET_JSON_LOADING_STATE_DONE
+} assetjsonloadingstate_t;
+
 typedef struct {
-  void *nothing;
+  assetfile_t file;
-} assetjsonloaderparams_t;
+  assetjsonloadingstate_t state;
+  uint8_t *buffer;
+  size_t size;
+} assetjsonloaderloading_t;
 
-/**
+typedef yyjson_doc * assetjsonoutput_t;
- * Loads a JSON document from the specified asset file.
- * 
- * @param file Asset file to load the JSON document from.
- * @param outDoc Pointer to store the loaded JSON document.
- * @return Any error that occurs during loading.
- */
-errorret_t assetJsonLoadFileToDoc(assetfile_t *file, yyjson_doc **outDoc);
 
-/**
+errorret_t assetJsonLoaderAsync(assetloading_t *loading);
- * Handler for locale assets.
+errorret_t assetJsonLoaderSync(assetloading_t *loading);
- * 
+errorret_t assetJsonDispose(assetentry_t *entry);
- * @param file Asset file to load the locale from.
- * @return Any error that occurs during loading.
- */
-errorret_t assetJsonLoader(assetfile_t *file);
-
-/**
- * Loads a locale from the specified path.
- * 
- * @param path Path to the locale asset.
- * @param outDoc Pointer to store the loaded JSON document.
- * @return Any error that occurs during loading.
- */
-errorret_t assetJsonLoad(
-  const char_t *path,
-  yyjson_doc **outDoc
-);

src/dusk/asset/loader/locale/assetlocaleloader.c

@@ -11,38 +11,60 @@
 #include "util/string.h"
 #include "assert/assert.h"
 
-errorret_t assetLocaleFileInit(
+#include "asset/loader/assetloading.h"
-  assetlocalefile_t *localeFile,
+#include "asset/loader/assetentry.h"
-  const char_t *path
+
-) {
+errorret_t assetLocaleLoaderAsync(assetloading_t *loading) {
-  assertNotNull(localeFile, "Locale file cannot be NULL.");
+  assertNotNull(loading, "Loading cannot be NULL");
-  assertNotNull(path, "Locale file path cannot be NULL.");
+
-  
+  if(loading->loading.locale.state != ASSET_LOCALE_LOADER_STATE_LOAD_HEADER) {
+    errorOk();
+  }
+
+  assetlocalefile_t *localeFile = &loading->entry->data.locale;
   memoryZero(localeFile, sizeof(assetlocalefile_t));
+  assetLoaderErrorChain(loading, assetFileInit(&localeFile->file, loading->entry->name, NULL, NULL));
+  assetLoaderErrorChain(loading, assetFileOpen(&localeFile->file));
 
-  // Init the asset file.
-  errorChain(assetFileInit(&localeFile->file, path, NULL, NULL));
-
-  // Open the file handle
-  errorChain(assetFileOpen(&localeFile->file));
-
-  // Get the blank key, this is basically the header info for po files
   char_t buffer[1024];
-  errorChain(assetLocaleGetString(localeFile, "", 0, buffer, sizeof(buffer)));
+  assetLoaderErrorChain(loading, assetLocaleGetString(localeFile, "", 0, buffer, sizeof(buffer)));
-  errorChain(assetLocaleParseHeader(localeFile, buffer, sizeof(buffer)));
+  assetLoaderErrorChain(loading, assetLocaleParseHeader(localeFile, buffer, sizeof(buffer)));
 
+  loading->loading.locale.state = ASSET_LOCALE_LOADER_STATE_DONE;
+  loading->entry->state = ASSET_ENTRY_STATE_PENDING_SYNC;
   errorOk();
 }
 
-errorret_t assetLocaleFileDispose(assetlocalefile_t *localeFile) {
+errorret_t assetLocaleLoaderSync(assetloading_t *loading) {
-  assertNotNull(localeFile, "Locale file cannot be NULL.");
+  assertNotNull(loading, "Loading cannot be NULL");
+  assertTrue(loading->type == ASSET_LOADER_TYPE_LOCALE, "Invalid type.");
 
-  errorChain(assetFileClose(&localeFile->file));
+  switch(loading->loading.locale.state) {
-  errorChain(assetFileDispose(&localeFile->file));
+    case ASSET_LOCALE_LOADER_STATE_INITIAL:
+      loading->loading.locale.state = ASSET_LOCALE_LOADER_STATE_LOAD_HEADER;
+      loading->entry->state = ASSET_ENTRY_STATE_PENDING_ASYNC;
+      errorOk();
+      break;
 
+    case ASSET_LOCALE_LOADER_STATE_DONE:
+      break;
+
+    default:
+      errorOk();
+  }
+
+  loading->entry->state = ASSET_ENTRY_STATE_LOADED;
   errorOk();
 }
 
+errorret_t assetLocaleDispose(assetentry_t *entry) {
+  assertNotNull(entry, "Asset entry cannot be NULL");
+  assertTrue(entry->type == ASSET_LOADER_TYPE_LOCALE, "Invalid type.");
+  assetlocalefile_t *localeFile = &entry->data.locale;
+  errorChain(assetFileClose(&localeFile->file));
+  return assetFileDispose(&localeFile->file);
+}
+
 errorret_t assetLocaleParseHeader(
   assetlocalefile_t *localeFile,
   char_t *headerBuffer,
@@ -152,7 +174,7 @@ errorret_t assetLocaleParseHeader(
 
     if(pluralIndex >= localeFile->pluralStateCount - 1) {
       errorThrow(
-        "Too many plural conditions. Expected %d conditional clauses for nplurals=%d.",
+        "Too many plural conditions. Expected %d clauses for nplurals=%d.",
         localeFile->pluralStateCount - 1,
         localeFile->pluralStateCount
       );
@@ -307,16 +329,24 @@ errorret_t assetLocaleLineSkipBlanks(
   while(!reader->eof) {
     // Skip blank lines
     if(lineBuffer[0] == '\0') {
-      errorChain(assetFileLineReaderNext(reader));
+      errorret_t r = assetFileLineReaderNext(reader);
+      if(errorIsNotOk(r)) {
+        errorCatch(r);
+        break;
+      }
       continue;
     }
 
     // Skip comment lines
     if(lineBuffer[0] == '#') {
-      errorChain(assetFileLineReaderNext(reader));
+      errorret_t r = assetFileLineReaderNext(reader);
+      if(errorIsNotOk(r)) {
+        errorCatch(r);
+        break;
+      }
       continue;
     }
-    
+
     // Is line only spaces?
     size_t lineLength = strlen((char_t *)lineBuffer);
     size_t i;
@@ -329,7 +359,11 @@ errorret_t assetLocaleLineSkipBlanks(
     }
 
     if(onlySpaces) {
-      errorChain(assetFileLineReaderNext(reader));
+      errorret_t r = assetFileLineReaderNext(reader);
+      if(errorIsNotOk(r)) {
+        errorCatch(r);
+        break;
+      }
       continue;
     }
     break;
@@ -365,10 +399,18 @@ errorret_t assetLocaleLineUnbuffer(
 
   // Now start buffering lines out
   while(!reader->eof) {
-    errorChain(assetFileLineReaderNext(reader));
+    errorret_t r = assetFileLineReaderNext(reader);
+    if(errorIsNotOk(r)) {
+      errorCatch(r);
+      break;
+    }
 
     // Skip blank lines
-    errorChain(assetLocaleLineSkipBlanks(reader, lineBuffer));
+    r = assetLocaleLineSkipBlanks(reader, lineBuffer);
+    if(errorIsNotOk(r)) {
+      errorCatch(r);
+      break;
+    }
     
     // Skip starting spaces
     char_t *ptr = (char_t *)lineBuffer;
@@ -593,7 +635,7 @@ errorret_t assetLocaleGetStringWithVA(
     tempBuffer,
     bufferSize
   );
-  if(ret.code != ERROR_OK) {
+  if(errorIsNotOk(ret)) {
     memoryFree(tempBuffer);
     return ret;
   }
@@ -641,7 +683,7 @@ errorret_t assetLocaleGetStringWithArgs(
     format,
     bufferSize
   );
-  if(ret.code != ERROR_OK) {
+  if(errorIsNotOk(ret)) {
     memoryFree(format);
     return ret;
   }

src/dusk/asset/loader/locale/assetlocaleloader.h

@@ -1,15 +1,40 @@
 /**
  * Copyright (c) 2026 Dominic Masters
- * 
+ *
  * This software is released under the MIT License.
  * https://opensource.org/licenses/MIT
  */
 
 #pragma once
-#include "asset/asset.h"
+#include "asset/assetfile.h"
 
+typedef struct assetloading_s assetloading_t;
+typedef struct assetentry_s assetentry_t;
+
+/** Input passed to the locale loader — currently unused. */
+typedef struct { void *nothing; } assetlocaleloaderinput_t;
+
+typedef enum {
+  ASSET_LOCALE_LOADER_STATE_INITIAL,
+  ASSET_LOCALE_LOADER_STATE_LOAD_HEADER,
+  ASSET_LOCALE_LOADER_STATE_DONE
+} assetlocaleloaderstate_t;
+
+/** Per-slot scratch data used while the locale file is loading. */
+typedef struct {
+  assetlocaleloaderstate_t state;
+} assetlocaleloaderloading_t;
+
+/** Maximum number of distinct plural forms a locale file may declare. */
 #define ASSET_LOCALE_FILE_PLURAL_FORM_COUNT 6
 
+/**
+ * Comparison operator used in a plural-form expression.
+ *
+ * Each condition in the plural-form header is evaluated as
+ *   `n <op> value`
+ * where `n` is the runtime plural count.
+ */
 typedef enum {
   ASSET_LOCALE_PLURAL_OP_EQUAL,
   ASSET_LOCALE_PLURAL_OP_NOT_EQUAL,
@@ -19,13 +44,24 @@ typedef enum {
   ASSET_LOCALE_PLURAL_OP_GREATER_EQUAL
 } assetlocalepluraloperation_t;
 
+/**
+ * Discriminator tag for a locale string argument.
+ * @see assetlocalearg_t
+ */
 typedef enum {
   ASSET_LOCALE_ARG_STRING,
   ASSET_LOCALE_ARG_INT,
   ASSET_LOCALE_ARG_FLOAT
 } assetlocaleargtype_t;
 
+/**
+ * A single typed argument for locale string substitution.
+ *
+ * Used with @ref assetLocaleGetStringWithArgs to fill `%s`, `%d`, or `%f`
+ * placeholders inside a translated string.
+ */
 typedef struct {
+  /** Which union member is active. */
   assetlocaleargtype_t type;
   union {
     const char_t *stringValue;
@@ -34,35 +70,81 @@ typedef struct {
   };
 } assetlocalearg_t;
 
+/**
+ * Runtime state for an open locale file.
+ *
+ * Loaded once by @ref assetLocaleLoaderSync and kept alive for the lifetime
+ * of the asset entry. The plural-form fields are populated from the PO header
+ * by @ref assetLocaleParseHeader.
+ *
+ * Plural evaluation works as a linear scan over `pluralStateCount - 1`
+ * conditions; if none match, `pluralDefaultIndex` is returned.
+ */
 typedef struct {
+  /** Underlying file handle used to rewind and re-read the PO data. */
   assetfile_t file;
+
+  /** Comparison operator for each conditional plural clause. */
   assetlocalepluraloperation_t pluralOps[ASSET_LOCALE_FILE_PLURAL_FORM_COUNT];
+
+  /** Right-hand value for each conditional plural clause. */
   int32_t pluralValues[ASSET_LOCALE_FILE_PLURAL_FORM_COUNT];
+
+  /** Form index returned when the corresponding condition is true. */
   int32_t pluralIndices[ASSET_LOCALE_FILE_PLURAL_FORM_COUNT];
+
+  /** Total number of plural forms declared by `nplurals=`. */
   uint8_t pluralStateCount;
+
+  /** Form index used when no conditional clause matches. */
   uint8_t pluralDefaultIndex;
 } assetlocalefile_t;
 
-/**
+/** Convenience alias — the loaded output type of a locale asset entry. */
- * Initialize a locale asset file.
+typedef assetlocalefile_t assetlocaleoutput_t;
- * 
- * @param localeFile The locale file to initialize.
- * @param path The path to the locale file.
- * @return An error code if a failure occurs.
- */
-errorret_t assetLocaleFileInit(
-  assetlocalefile_t *localeFile,
-  const char_t *path
-);
 
 /**
- * Dispose of a locale asset file.
+ * Asynchronous loader callback. Opens the locale file, reads the PO header,
- * 
+ * and parses plural-form rules. All I/O happens here so the main thread is
- * @param localeFile The locale file to dispose of.
+ * not blocked. Sets entry state to `ASSET_ENTRY_STATE_PENDING_SYNC` on
- * @return An error code if a failure occurs.
+ * success or `ASSET_ENTRY_STATE_ERROR` on failure.
+ *
+ * @param loading The loading slot for this asset entry.
+ * @return OK on success, error otherwise.
  */
-errorret_t assetLocaleFileDispose(assetlocalefile_t *localeFile);
+errorret_t assetLocaleLoaderAsync(assetloading_t *loading);
 
+/**
+ * Synchronous loader callback. Confirms the async phase completed and marks
+ * the entry as `ASSET_ENTRY_STATE_LOADED`.
+ *
+ * @param loading The loading slot for this asset entry.
+ * @return OK on success, error otherwise.
+ */
+errorret_t assetLocaleLoaderSync(assetloading_t *loading);
+
+/**
+ * Dispose callback. Closes the open file handle and zeros the locale data.
+ *
+ * @param entry The asset entry to dispose.
+ * @return OK on success, error otherwise.
+ */
+errorret_t assetLocaleDispose(assetentry_t *entry);
+
+/**
+ * Parses the `Plural-Forms:` line from a PO header string and populates the
+ * plural-form fields of `localeFile`. If no `Plural-Forms:` key is present
+ * the function returns OK without modifying the struct.
+ *
+ * Supports the `nplurals=N; plural=(<expr>);` syntax where `<expr>` is a
+ * chain of `n <op> value ? index : ...` ternary conditions ending with a
+ * fallback index.
+ *
+ * @param localeFile  Struct whose plural fields will be filled in.
+ * @param headerBuffer  The raw PO header string (msgstr of msgid "").
+ * @param headerBufferSize  Size of `headerBuffer` in bytes.
+ * @return OK on success, error if the plural expression is malformed.
+ */
 errorret_t assetLocaleParseHeader(
   assetlocalefile_t *localeFile,
   char_t *headerBuffer,
@@ -70,11 +152,29 @@ errorret_t assetLocaleParseHeader(
 );
 
 /**
- * Skips blank lines and comment lines in the line reader.
+ * Evaluates which plural form index to use for a given count.
- * 
+ *
- * @param reader Line reader to read from.
+ * Walks the conditions stored in `file` in order; returns the index for the
- * @param lineBuffer Buffer to use for reading lines.
+ * first condition that matches `pluralCount`. Falls back to
- * @return Any error that occurs during skipping.
+ * `file->pluralDefaultIndex` if none match.
+ *
+ * @param file  Locale file with parsed plural rules.
+ * @param pluralCount  The runtime count (e.g. number of items).
+ * @return Zero-based plural form index.
+ */
+uint8_t assetLocaleEvaluatePlural(
+  assetlocalefile_t *file,
+  const int32_t pluralCount
+);
+
+/**
+ * Advances the line reader past blank lines, comment lines (starting with
+ * `#`), and lines containing only spaces. Stops at the first content line or
+ * end of file.
+ *
+ * @param reader  Line reader positioned at the current line.
+ * @param lineBuffer  Output buffer that the reader writes each line into.
+ * @return OK on success, error if reading fails.
  */
 errorret_t assetLocaleLineSkipBlanks(
   assetfilelinereader_t *reader,
@@ -82,16 +182,19 @@ errorret_t assetLocaleLineSkipBlanks(
 );
 
 /**
- * Unbuffers a potentially multi-line quoted string from the line reader.
+ * Reads a PO quoted string value from the current line and any immediately
- * 
+ * following continuation lines that begin with `"`.
- * This will read lines until it finds a line that starts with a quote, then
+ *
- * read until the closing quote.
+ * Handles standard C escape sequences (`\n`, `\t`, `\\`, `\"`).
- * 
+ *
- * @param reader Line reader to read from.
+ * @param reader  Line reader positioned at the line containing the opening
- * @param lineBuffer Buffer to use for reading lines.
+ *                quote (e.g. `msgstr "..."`).
- * @param stringBuffer Buffer to write the unbuffered string to.
+ * @param lineBuffer  Buffer the reader fills on each @ref assetFileLineReaderNext
- * @param stringBufferSize Size of the string buffer.
+ *                    call; also used to detect continuation lines.
- * @return Any error that occurs during unbuffering.
+ * @param stringBuffer  Destination for the unescaped string content.
+ * @param stringBufferSize  Capacity of `stringBuffer` in bytes.
+ * @return OK on success, error if a quote or escape sequence is malformed or
+ *         the buffer would overflow.
  */
 errorret_t assetLocaleLineUnbuffer(
   assetfilelinereader_t *reader,
@@ -101,14 +204,19 @@ errorret_t assetLocaleLineUnbuffer(
 );
 
 /**
- * Test function for locale asset loading.
+ * Looks up a translated string by message ID from the open locale file.
- * 
+ *
- * @param file Asset file to test loading from.
+ * Rewinds the file and scans from the beginning on every call. For plural
- * @param messageId The message ID to retrieve.
+ * entries (`msgid_plural`) the `pluralCount` is evaluated against the loaded
- * @param pluralCount Count for formulating the plural variant.
+ * plural rules to select the correct `msgstr[N]` form.
- * @param stringBuffer Buffer to write the retrieved string to.
+ *
- * @param stringBufferSize Size of the string buffer.
+ * @param file  Locale file to search. Must be open.
- * @return Any error that occurs during testing.
+ * @param messageId  PO message ID to find (`""` retrieves the header entry).
+ * @param pluralCount  Count used to select the plural form (ignored for
+ *                     singular entries).
+ * @param stringBuffer  Buffer to receive the translated string.
+ * @param stringBufferSize  Capacity of `stringBuffer` in bytes.
+ * @return OK on success, error if the message ID is not found or I/O fails.
  */
 errorret_t assetLocaleGetString(
   assetlocalefile_t *file,
@@ -119,15 +227,21 @@ errorret_t assetLocaleGetString(
 );
 
 /**
- * Test function for locale asset loading with a variable argument list.
+ * Looks up a translated string and formats it with a `printf`-style variadic
- * 
+ * argument list.
- * @param file Asset file to test loading from.
+ *
- * @param messageId The message ID to retrieve.
+ * Retrieves the raw format string via @ref assetLocaleGetString then applies
- * @param pluralCount Count for formulating the plural variant.
+ * `vsnprintf` with the provided arguments.
- * @param buffer Buffer to write the retrieved string to.
+ *
- * @param bufferSize Size of the buffer.
+ * @param file  Locale file to search. Must be open.
- * @param ... Additional arguments for formatting the string.
+ * @param messageId  PO message ID to find.
- * @return Any error that occurs during testing.
+ * @param pluralCount  Count used to select the plural form.
+ * @param buffer  Buffer to receive the formatted string.
+ * @param bufferSize  Capacity of `buffer` in bytes.
+ * @param ...  Format arguments matching the specifiers in the translated
+ *             string.
+ * @return OK on success, error if the message is not found or formatting
+ *         fails.
  */
 errorret_t assetLocaleGetStringWithVA(
   assetlocalefile_t *file,
@@ -139,16 +253,22 @@ errorret_t assetLocaleGetStringWithVA(
 );
 
 /**
- * Test function for locale asset loading with a list of arguments.
+ * Looks up a translated string and substitutes typed arguments into its
- * 
+ * `%s`, `%d`, and `%f` placeholders.
- * @param file Asset file to test loading from.
+ *
- * @param messageId The message ID to retrieve.
+ * Unlike @ref assetLocaleGetStringWithVA this variant accepts an explicit
- * @param pluralCount Count for formulating the plural variant.
+ * array of @ref assetlocalearg_t values, which is safer to use from
- * @param buffer Buffer to write the retrieved string to.
+ * generated or scripted call sites.
- * @param bufferSize Size of the buffer.
+ *
- * @param args List of arguments for formatting the string.
+ * @param file  Locale file to search. Must be open.
- * @param argCount Number of arguments in the list.
+ * @param messageId  PO message ID to find.
- * @return Any error that occurs during testing.
+ * @param pluralCount  Count used to select the plural form.
+ * @param buffer  Buffer to receive the formatted string.
+ * @param bufferSize  Capacity of `buffer` in bytes.
+ * @param args  Array of typed arguments; may be NULL when `argCount` is 0.
+ * @param argCount  Number of elements in `args`.
+ * @return OK on success, error if the message is not found, an argument type
+ *         mismatches the specifier, or the buffer would overflow.
  */
 errorret_t assetLocaleGetStringWithArgs(
   assetlocalefile_t *file,
@@ -158,4 +278,4 @@ errorret_t assetLocaleGetStringWithArgs(
   const size_t bufferSize,
   const assetlocalearg_t *args,
   const size_t argCount
-);
+);

src/dusk/asset/loader/script/CMakeLists.txt

@@ -1,10 +1,9 @@
 # Copyright (c) 2026 Dominic Masters
-# 
+#
 # This software is released under the MIT License.
 # https://opensource.org/licenses/MIT
 
-# Sources
 target_sources(${DUSK_LIBRARY_TARGET_NAME}
   PUBLIC
     assetscriptloader.c
-)
+)

src/dusk/asset/loader/script/assetscriptloader.c

@@ -1,82 +1,116 @@
 /**
  * Copyright (c) 2026 Dominic Masters
- * 
+ *
  * This software is released under the MIT License.
  * https://opensource.org/licenses/MIT
  */
 
 #include "assetscriptloader.h"
+#include "asset/loader/assetloading.h"
+#include "asset/loader/assetentry.h"
+#include "asset/loader/assetloader.h"
+#include "util/memory.h"
 #include "assert/assert.h"
+#include <jerryscript.h>
 
-errorret_t assetScriptLoader(assetfile_t *file) {
+errorret_t assetScriptLoaderAsync(assetloading_t *loading) {
-  assertNotNull(file, "Asset file cannot be NULL");
+  assertNotNull(loading, "Loading cannot be NULL");
-  assertNull(file->zipFile, "Asset file zip handle must be NULL");
-  assertNotNull(file->output, "Asset file output cannot be NULL");
 
-  assetscript_t *script = (assetscript_t *)file->output;
+  if(loading->loading.script.state != ASSET_SCRIPT_LOADING_STATE_READ_FILE) {
-
+    errorOk();
-  // Open the asset for buffering
-  errorChain(assetFileOpen(file));
-
-  // Request loading
-  if(!lua_load(
-    script->ctx->luaState,
-    assetScriptReader,
-    file,
-    file->filename,
-    NULL
-  ) == LUA_OK) {
-    const char_t *strErr = lua_tostring(script->ctx->luaState, -1);
-    lua_pop(script->ctx->luaState, 1);
-    errorThrow("Failed to load Lua script: %s", strErr);
   }
 
-  // Now loaded, exec
+  assertNull(loading->loading.script.buffer, "Buffer already defined?");
-  if(lua_pcall(script->ctx->luaState, 0, LUA_MULTRET, 0) != LUA_OK) {
+
-    const char_t *strErr = lua_tostring(script->ctx->luaState, -1);
+  assetfile_t *file = &loading->loading.script.file;
-    lua_pop(script->ctx->luaState, 1);
+  assetLoaderErrorChain(loading, assetFileInit(file, loading->entry->name, NULL, NULL));
-    errorThrow("Failed to execute Lua script: %s", strErr);
+  assetLoaderErrorChain(loading, assetFileOpen(file));
+
+  size_t capacity = ASSET_SCRIPT_CHUNK_SIZE;
+  uint8_t *buffer = memoryAllocate(capacity + 1);
+  size_t offset = 0;
+
+  while(1) {
+    if(offset + ASSET_SCRIPT_CHUNK_SIZE > capacity) {
+      size_t oldCapacity = capacity + 1;
+      capacity += ASSET_SCRIPT_CHUNK_SIZE;
+      memoryResize((void **)&buffer, oldCapacity, capacity + 1);
+    }
+    assetLoaderErrorChain(loading, assetFileRead(
+      file, buffer + offset, ASSET_SCRIPT_CHUNK_SIZE
+    ));
+    size_t chunk = (size_t)file->lastRead;
+    offset += chunk;
+    if(chunk == 0) break;
   }
 
-  // Close the file
+  buffer[offset] = '\0';
-  return assetFileClose(file);
+  assetLoaderErrorChain(loading, assetFileClose(file));
+  assetLoaderErrorChain(loading, assetFileDispose(file));
+
+  loading->loading.script.buffer = buffer;
+  loading->loading.script.size = offset;
+  loading->loading.script.state = ASSET_SCRIPT_LOADING_STATE_EXEC;
+  loading->entry->state = ASSET_ENTRY_STATE_PENDING_SYNC;
+  errorOk();
 }
 
-errorret_t assetScriptLoad(const char_t *path, scriptcontext_t *ctx) {
+errorret_t assetScriptLoaderSync(assetloading_t *loading) {
-  assertNotNull(path, "Script path cannot be NULL");
+  assertNotNull(loading, "Loading cannot be NULL");
-  assertNotNull(ctx, "Script context cannot be NULL");
+  assertTrue(loading->type == ASSET_LOADER_TYPE_SCRIPT, "Invalid type.");
-  
-  assetscript_t script;
-  script.ctx = ctx;
 
-  return assetLoad(
+  switch(loading->loading.script.state) {
-    path,
+    case ASSET_SCRIPT_LOADING_STATE_INITIAL:
-    assetScriptLoader,
+      loading->loading.script.state = ASSET_SCRIPT_LOADING_STATE_READ_FILE;
-    NULL,
+      loading->entry->state = ASSET_ENTRY_STATE_PENDING_ASYNC;
-    &script
+      errorOk();
-  );
+      break;
-}
 
-const char_t * assetScriptReader(lua_State* L, void* data, size_t* size) {
+    case ASSET_SCRIPT_LOADING_STATE_EXEC:
-  assetfile_t *file = (assetfile_t*)data;
+      break;
-  assertNotNull(file, "Script asset file cannot be NULL");
-  assertNotNull(file->zipFile, "Script asset zip handle cannot be NULL");
-  assertNotNull(file->output, "Script asset output cannot be NULL");
 
-  assetscript_t *script = (assetscript_t *)file->output;
+    default:
-  assertNotNull(script, "Script asset output cannot be NULL");
+      errorOk();
-
-  zip_int64_t read = zip_fread(
-    file->zipFile,
-    script->buffer,
-    sizeof(script->buffer)
-  );
-
-  if(read < 0) {
-    *size = 0;
-    return NULL;
   }
 
-  *size = (size_t)read;
+  uint8_t *buffer = loading->loading.script.buffer;
-  return script->buffer;
+  assertNotNull(buffer, "Script buffer should have been loaded by now.");
-}
+
+  jerry_value_t result = jerry_eval(
+    (const jerry_char_t *)buffer,
+    loading->loading.script.size,
+    JERRY_PARSE_NO_OPTS
+  );
+  memoryFree(buffer);
+  loading->loading.script.buffer = NULL;
+
+  if(jerry_value_is_exception(result)) {
+    jerry_value_t errVal = jerry_exception_value(result, false);
+    jerry_value_t errStr = jerry_value_to_string(errVal);
+    char_t buf[256];
+    jerry_size_t len = jerry_string_to_buffer(
+      errStr, JERRY_ENCODING_UTF8, (jerry_char_t *)buf, sizeof(buf) - 1
+    );
+    buf[len] = '\0';
+    jerry_value_free(errStr);
+    jerry_value_free(errVal);
+    jerry_value_free(result);
+    assetLoaderErrorThrow(loading, "Script error in '%s': %s",
+      loading->entry->name, buf
+    );
+  }
+
+  loading->entry->data.script = (assetscriptoutput_t)result;
+  loading->entry->state = ASSET_ENTRY_STATE_LOADED;
+  errorOk();
+}
+
+errorret_t assetScriptDispose(assetentry_t *entry) {
+  assertNotNull(entry, "Asset entry cannot be NULL");
+  assertTrue(entry->type == ASSET_LOADER_TYPE_SCRIPT, "Invalid type.");
+  if(entry->data.script != 0) {
+    jerry_value_free((jerry_value_t)entry->data.script);
+    entry->data.script = 0;
+  }
+  errorOk();
+}

src/dusk/asset/loader/script/assetscriptloader.h

@@ -1,48 +1,35 @@
 /**
  * Copyright (c) 2026 Dominic Masters
- * 
+ *
  * This software is released under the MIT License.
  * https://opensource.org/licenses/MIT
  */
 
 #pragma once
-#include "asset/asset.h"
+#include "asset/assetfile.h"
-#include "script/scriptcontext.h"
 
-#define ASSET_SCRIPT_BUFFER_SIZE 1024
+#define ASSET_SCRIPT_CHUNK_SIZE 1024
+
+typedef struct assetloading_s assetloading_t;
+typedef struct assetentry_s assetentry_t;
+
+typedef struct { void *nothing; } assetscriptloaderinput_t;
+typedef uint32_t assetscriptoutput_t;
+
+typedef enum {
+  ASSET_SCRIPT_LOADING_STATE_INITIAL,
+  ASSET_SCRIPT_LOADING_STATE_READ_FILE,
+  ASSET_SCRIPT_LOADING_STATE_EXEC,
+  ASSET_SCRIPT_LOADING_STATE_DONE
+} assetscriptloadingstate_t;
 
 typedef struct {
-  void *nothing;
+  assetfile_t file;
-} assetscriptloaderparams_t;
+  assetscriptloadingstate_t state;
+  uint8_t *buffer;
+  size_t size;
+} assetscriptloaderloading_t;
 
-typedef struct {
+errorret_t assetScriptLoaderAsync(assetloading_t *loading);
-  scriptcontext_t *ctx;
+errorret_t assetScriptLoaderSync(assetloading_t *loading);
-  char_t buffer[ASSET_SCRIPT_BUFFER_SIZE];
+errorret_t assetScriptDispose(assetentry_t *entry);
-} assetscript_t;
-
-/**
- * Handler for script assets.
- * 
- * @param file Asset file to load the script from.
- * @return Any error that occurs during loading.
- */
-errorret_t assetScriptLoader(assetfile_t *file);
-
-/**
- * Loads a script from the specified path.
- * 
- * @param path Path to the script asset.
- * @param ctx Script context to load the script into.
- * @return Any error that occurs during loading.
- */
-errorret_t assetScriptLoad(const char_t *path, scriptcontext_t *ctx);
-
-/**
- * Reader function for Lua to read script data from the asset.
- * 
- * @param L Lua state.
- * @param data Pointer to the scriptcontext_t structure.
- * @param size Pointer to store the size of the read data.
- * @return Pointer to the read data buffer.
- */
-const char_t * assetScriptReader(lua_State* L, void* data, size_t* size);

src/dusk/console/CMakeLists.txt

@@ -0,0 +1,9 @@
+# Copyright (c) 2026 Dominic Masters
+#
+# This software is released under the MIT License.
+# https://opensource.org/licenses/MIT
+
+target_sources(${DUSK_LIBRARY_TARGET_NAME}
+  PUBLIC
+    console.c
+)

src/dusk/console/console.c

@@ -0,0 +1,83 @@
+/**
+ * Copyright (c) 2026 Dominic Masters
+ *
+ * This software is released under the MIT License.
+ * https://opensource.org/licenses/MIT
+ */
+
+#include "console.h"
+#include "assert/assert.h"
+#include "util/memory.h"
+#include "util/string.h"
+#include "input/input.h"
+#include "log/log.h"
+#include "engine/engine.h"
+#include "display/shader/shaderunlit.h"
+#include "display/text/text.h"
+#include "display/spritebatch/spritebatch.h"
+
+console_t CONSOLE;
+
+void consoleInit(void) {
+  memoryZero(&CONSOLE, sizeof(console_t));
+
+  #ifdef DUSK_CONSOLE_POSIX
+    threadMutexInit(&CONSOLE.printMutex);
+  #endif
+}
+
+void consolePrint(const char_t *message, ...) {
+  char_t buffer[CONSOLE_LINE_MAX];
+
+  va_list args;
+  va_start(args, message);
+  int32_t len = stringFormatVA(buffer, CONSOLE_LINE_MAX, message, args);
+  va_end(args);
+
+  #ifdef DUSK_CONSOLE_POSIX
+    threadMutexLock(&CONSOLE.printMutex);
+  #endif
+
+  memoryMove(
+    CONSOLE.line[0],
+    CONSOLE.line[1],
+    (CONSOLE_HISTORY_MAX - 1) * CONSOLE_LINE_MAX
+  );
+  memoryCopy(CONSOLE.line[CONSOLE_HISTORY_MAX - 1], buffer, len + 1);
+
+  #ifdef DUSK_CONSOLE_POSIX
+    threadMutexUnlock(&CONSOLE.printMutex);
+  #endif
+
+  logDebug("%s\n", buffer);
+}
+
+void consoleUpdate(void) {
+  #ifdef DUSK_TIME_DYNAMIC
+    if(TIME.dynamicUpdate) return;
+  #endif
+
+  if(inputPressed(INPUT_ACTION_CONSOLE)) {
+    CONSOLE.visible = !CONSOLE.visible;
+  }
+}
+
+errorret_t consoleDraw(void) {
+  if(!CONSOLE.visible) errorOk();
+
+  for(uint32_t i = 0; i < CONSOLE_HISTORY_MAX; i++) {
+    errorChain(textDraw(
+      0, FONT_DEFAULT.tileset->tileHeight * i,
+      CONSOLE.line[i],
+      COLOR_WHITE,
+      &FONT_DEFAULT
+    ));
+  }
+  return spriteBatchFlush();
+}
+
+void consoleDispose(void) {
+  #ifdef DUSK_CONSOLE_POSIX
+    threadMutexDispose(&CONSOLE.printMutex);
+  #endif
+}

src/dusk/console/console.h

@@ -0,0 +1,58 @@
+/**
+ * Copyright (c) 2026 Dominic Masters
+ *
+ * This software is released under the MIT License.
+ * https://opensource.org/licenses/MIT
+ */
+
+#pragma once
+#include "consoledefs.h"
+#include "error/error.h"
+#include "dusk.h"
+
+#ifdef DUSK_CONSOLE_POSIX
+  #include "thread/thread.h"
+  #include <poll.h>
+  #include <unistd.h>
+  #define CONSOLE_POSIX_POLL_RATE 75
+#endif
+
+typedef struct {
+  char_t line[CONSOLE_HISTORY_MAX][CONSOLE_LINE_MAX];
+  bool_t visible;
+
+  #ifdef DUSK_CONSOLE_POSIX
+    threadmutex_t printMutex;
+  #endif
+} console_t;
+
+extern console_t CONSOLE;
+
+/**
+ * Initializes the console.
+ */
+void consoleInit(void);
+
+/**
+ * Prints a message to the console history.
+ *
+ * @param message The message to print (printf-style).
+ */
+void consolePrint(const char_t *message, ...);
+
+/**
+ * Processes pending queued script lines. Call once per frame from main thread.
+ */
+void consoleUpdate(void);
+
+/**
+ * Renders the console history to the screen (UI space).
+ *
+ * @return The error return value.
+ */
+errorret_t consoleDraw(void);
+
+/**
+ * Disposes of the console.
+ */
+void consoleDispose(void);

src/dusk/console/consoledefs.h

@@ -0,0 +1,12 @@
+/**
+ * Copyright (c) 2026 Dominic Masters
+ *
+ * This software is released under the MIT License.
+ * https://opensource.org/licenses/MIT
+ */
+
+#pragma once
+
+#define CONSOLE_LINE_MAX 512
+#define CONSOLE_HISTORY_MAX 16
+#define CONSOLE_EXEC_BUFFER_MAX 32

src/dusk/cutscene/CMakeLists.txt

@@ -0,0 +1,9 @@
+# Copyright (c) 2026 Dominic Masters
+#
+# This software is released under the MIT License.
+# https://opensource.org/licenses/MIT
+
+target_sources(${DUSK_LIBRARY_TARGET_NAME}
+  PUBLIC
+    cutscene.c
+)

src/dusk/cutscene/cutscene.c

@@ -0,0 +1,96 @@
+// Copyright (c) 2026 Dominic Masters
+//
+// This software is released under the MIT License.
+// https://opensource.org/licenses/MIT
+
+#include "cutscene.h"
+#include "assert/assert.h"
+#include "util/memory.h"
+#include "console/console.h"
+#include "time/time.h"
+
+cutscene_t CUTSCENE;
+
+errorret_t cutsceneInit(void) {
+  memoryZero(&CUTSCENE, sizeof(cutscene_t));
+  errorOk();
+}
+
+errorret_t cutsceneUpdate(void) {
+  #ifdef DUSK_TIME_DYNAMIC
+    if(TIME.dynamicUpdate) {
+      errorOk();
+    }
+  #endif
+
+  if(!CUTSCENE.active) errorOk();
+
+  cutsceneevent_t *event = &CUTSCENE.events[CUTSCENE.eventCurrent];
+  if(event->onUpdate) errorChain(event->onUpdate());
+  errorOk();
+}
+
+errorret_t cutscenePlay(
+  const cutsceneevent_t *events,
+  const uint8_t eventCount
+) {
+  assertNotNull(events, "Events cannot be null");
+  assertTrue(eventCount > 0, "Event count must be greater than zero");
+  assertTrue(
+    eventCount <= CUTSCENE_EVENT_COUNT_MAX,
+    "Event count exceeds CUTSCENE_EVENT_COUNT_MAX"
+  );
+
+  if(CUTSCENE.active) {
+    errorChain(cutsceneStop());
+  }
+
+  memoryCopy(CUTSCENE.events, events, sizeof(cutsceneevent_t) * eventCount);
+  CUTSCENE.eventCount = eventCount;
+  CUTSCENE.eventCurrent = 0;
+  CUTSCENE.active = true;
+
+  cutsceneevent_t *firstEvent = &CUTSCENE.events[0];
+  if(firstEvent->onStart) errorChain(firstEvent->onStart());
+  errorOk();
+}
+
+errorret_t cutsceneAdvance(void) {
+  if(!CUTSCENE.active) errorOk();
+
+  cutsceneevent_t *currentEvent = &CUTSCENE.events[CUTSCENE.eventCurrent];
+  if(currentEvent->onEnd) errorChain(currentEvent->onEnd());
+  CUTSCENE.eventCurrent++;
+
+  if(CUTSCENE.eventCurrent >= CUTSCENE.eventCount) {
+    if(CUTSCENE.onStop) errorChain(CUTSCENE.onStop());
+    CUTSCENE.active = false;
+    errorOk();
+  }
+
+  cutsceneevent_t *nextEvent = &CUTSCENE.events[CUTSCENE.eventCurrent];
+  if(nextEvent->onStart) errorChain(nextEvent->onStart());
+  consolePrint("Cutscene advance");
+  errorOk();
+}
+
+errorret_t cutsceneStop(void) {
+  if(!CUTSCENE.active) errorOk();
+
+  cutsceneevent_t *currentEvent = &CUTSCENE.events[CUTSCENE.eventCurrent];
+  if(currentEvent->onEnd) errorChain(currentEvent->onEnd());
+
+  if(CUTSCENE.onStop) errorChain(CUTSCENE.onStop());
+
+  CUTSCENE.active = false;
+  errorOk();
+}
+
+errorret_t cutsceneDispose(void) {
+  errorChain(cutsceneStop());
+  errorOk();
+}
+
+bool_t cutsceneIsActive(void) {
+  return CUTSCENE.active;
+}

src/dusk/cutscene/cutscene.h

@@ -0,0 +1,85 @@
+// Copyright (c) 2026 Dominic Masters
+//
+// This software is released under the MIT License.
+// https://opensource.org/licenses/MIT
+
+#pragma once
+#include "error/error.h"
+
+#define CUTSCENE_EVENT_COUNT_MAX 16
+
+typedef struct {
+  errorret_t (*onStart)(void);
+  errorret_t (*onEnd)(void);
+  errorret_t (*onUpdate)(void);
+} cutsceneevent_t;
+
+typedef struct {
+  cutsceneevent_t events[CUTSCENE_EVENT_COUNT_MAX];
+  uint8_t eventCount;
+  uint8_t eventCurrent;
+  errorret_t (*onStop)(void);
+  bool_t active;
+} cutscene_t;
+
+extern cutscene_t CUTSCENE;
+
+/**
+ * Initializes the cutscene manager.
+ *
+ * @return Any error state that happened.
+ */
+errorret_t cutsceneInit(void);
+
+/**
+ * Ticks the active cutscene event, calling its onUpdate callback.
+ * Does nothing when no cutscene is playing.
+ *
+ * @return Any error state that happened.
+ */
+errorret_t cutsceneUpdate(void);
+
+/**
+ * Copies the given event array and begins playing from the first
+ * event. If a cutscene is already playing it is stopped first.
+ *
+ * @param events Array of events to copy.
+ * @param eventCount Number of events. Must be > 0 and
+ *                   <= CUTSCENE_EVENT_COUNT_MAX.
+ * @return Any error state that happened.
+ */
+errorret_t cutscenePlay(
+  const cutsceneevent_t *events,
+  const uint8_t eventCount
+);
+
+/**
+ * Ends the current event and starts the next one.
+ * Marks the cutscene as inactive after the last event ends.
+ * Does nothing when no cutscene is playing.
+ *
+ * @return Any error state that happened.
+ */
+errorret_t cutsceneAdvance(void);
+
+/**
+ * Ends the current event and stops the cutscene immediately.
+ * Does nothing when no cutscene is playing.
+ *
+ * @return Any error state that happened.
+ */
+errorret_t cutsceneStop(void);
+
+/**
+ * Disposes of the cutscene manager, stopping any active cutscene.
+ *
+ * @return Any error state that happened.
+ */
+errorret_t cutsceneDispose(void);
+
+/**
+ * Returns whether a cutscene is currently playing.
+ *
+ * @return true if a cutscene is active.
+ */
+bool_t cutsceneIsActive(void);

src/dusk/display/CMakeLists.txt

@@ -21,7 +21,7 @@ add_subdirectory(texture)
 # Color definitions
 dusk_run_python(
   dusk_color_defs
-  tools.display.color.csv
+  tools.color.csv
     --csv ${CMAKE_CURRENT_SOURCE_DIR}/color.csv
     --output ${DUSK_GENERATED_HEADERS_DIR}/display/color.h
 )

src/dusk/display/display.c

@@ -11,6 +11,10 @@
 #include "display/spritebatch/spritebatch.h"
 #include "display/mesh/quad.h"
 #include "display/mesh/cube.h"
+#include "display/mesh/sphere.h"
+#include "display/mesh/plane.h"
+#include "display/mesh/capsule.h"
+#include "display/mesh/triprism.h"
 #include "display/screen/screen.h"
 #include "ui/ui.h"
 #include "display/text/text.h"
@@ -18,11 +22,9 @@
 #include "util/memory.h"
 #include "util/string.h"
 #include "asset/asset.h"
-#include "display/shader/shaderunlit.h"
+#include "display/shader/shaderlist.h"
 #include "time/time.h"
 
-#include "script/module/display/moduleshader.h"
-
 display_t DISPLAY = { 0 };
 
 errorret_t displayInit(void) {
@@ -31,43 +33,28 @@ errorret_t displayInit(void) {
   #ifdef displayPlatformInit
     errorChain(displayPlatformInit());
   #endif
+  errorChain(displaySetState((displaystate_t){ .flags = 0 }));
   errorChain(textureInit(
     &TEXTURE_WHITE, 4, 4,
     TEXTURE_FORMAT_RGBA, (texturedata_t){ .rgbaColors = TEXTURE_WHITE_PIXELS }
   ));
+
+  // Standard meshes
   errorChain(quadInit());
   errorChain(cubeInit());
+  errorChain(sphereInit());
+  errorChain(planeInit());
+  errorChain(capsuleInit());
+  errorChain(triPrismInit());
+  
   errorChain(frameBufferInitBackBuffer());
   errorChain(spriteBatchInit());
   errorChain(textInit());
   errorChain(screenInit());
 
   // Setup initial shader with default values
-  mat4 view, proj, model;
-  glm_lookat(
-    (vec3){ 0.0f, 0.0f, 1.0f },
-    (vec3){ 0.0f, 0.0f, 0.0f },
-    (vec3){ 0.0f, 1.0f, 0.0f },
-    view
-  );
 
-  glm_perspective(
+  errorChain(shaderListInit());
-    glm_rad(45.0f),
-    (float_t)SCREEN.width / (float_t)SCREEN.height,
-    0.1f,
-    100.0f,
-    proj
-  );
-
-  glm_mat4_identity(model);
-
-  errorChain(shaderInit(&SHADER_UNLIT, &SHADER_UNLIT_DEFINITION));
-  errorChain(shaderBind(&SHADER_UNLIT));
-  errorChain(shaderSetMatrix(&SHADER_UNLIT, SHADER_UNLIT_PROJECTION, proj));
-  errorChain(shaderSetMatrix(&SHADER_UNLIT, SHADER_UNLIT_VIEW, view));
-  errorChain(shaderSetMatrix(&SHADER_UNLIT, SHADER_UNLIT_MODEL, model));
-  errorChain(shaderSetTexture(&SHADER_UNLIT, SHADER_UNLIT_TEXTURE, NULL));
-  errorChain(shaderSetColor(&SHADER_UNLIT, SHADER_UNLIT_COLOR, COLOR_WHITE));
 
   errorOk();
 }
@@ -90,9 +77,6 @@ errorret_t displayUpdate(void) {
 
   errorChain(sceneRender());
 
-  // Render UI
-  // uiRender();
-
   // Finish up
   screenUnbind();
   screenRender();
@@ -104,8 +88,15 @@ errorret_t displayUpdate(void) {
   errorOk();
 }
 
+errorret_t displaySetState(displaystate_t state) {
+  #ifdef displayPlatformSetState
+    errorChain(displayPlatformSetState(state));
+  #endif
+  errorOk();
+}
+
 errorret_t displayDispose(void) {
-  errorChain(shaderDispose(&SHADER_UNLIT));
+  errorChain(shaderListDispose());
   errorChain(spriteBatchDispose());
   screenDispose();
   errorChain(textDispose());

src/dusk/display/display.h

@@ -40,15 +40,26 @@ extern display_t DISPLAY;
 
 /**
  * Initializes the display system.
+ * @return An errorret_t indicating success or failure.
  */
 errorret_t displayInit(void);
 
 /**
  * Tells the display system to actually draw the frame.
+ * @return An errorret_t indicating success or failure.
  */
 errorret_t displayUpdate(void);
 
+/**
+ * Sets the display state.
+ * 
+ * @param state The state to set.
+ * @return An errorret_t indicating success or failure.
+ */
+errorret_t displaySetState(displaystate_t state);
+
 /**
  * Disposes of the display system.
+ * @return An errorret_t indicating success or failure.
  */
 errorret_t displayDispose(void);

src/dusk/display/displaystate.h

@@ -0,0 +1,17 @@
+/**
+ * Copyright (c) 2026 Dominic Masters
+ * 
+ * This software is released under the MIT License.
+ * https://opensource.org/licenses/MIT
+ */
+
+#pragma once
+#include "dusk.h"
+
+#define DISPLAY_STATE_FLAG_CULL (1 << 0)
+#define DISPLAY_STATE_FLAG_DEPTH_TEST (1 << 1)
+#define DISPLAY_STATE_FLAG_BLEND (1 << 2)
+
+typedef struct {
+  uint8_t flags;
+} displaystate_t;

src/dusk/display/framebuffer/framebuffer.c

@@ -40,6 +40,17 @@ uint32_t frameBufferGetHeight(const framebuffer_t *framebuffer) {
   return frameBufferPlatformGetHeight(framebuffer);
 }
 
+float_t frameBufferGetAspect(const framebuffer_t *framebuffer) {
+  #ifdef frameBufferPlatformGetAspect
+    return frameBufferPlatformGetAspect(framebuffer);
+  #endif
+  
+  uint32_t width = frameBufferGetWidth(framebuffer);
+  uint32_t height = frameBufferGetHeight(framebuffer);
+  if(height == 0) return 1.0f; // Avoid divide by zero, just return 1:1 aspect.
+  return (float_t)width / (float_t)height;
+}
+
 void frameBufferClear(const uint8_t flags, const color_t color) {
   frameBufferPlatformClear(flags, color);
 }

src/dusk/display/framebuffer/framebuffer.h

@@ -58,6 +58,16 @@ uint32_t frameBufferGetWidth(const framebuffer_t *framebuffer);
  */
 uint32_t frameBufferGetHeight(const framebuffer_t *framebuffer);
 
+/**
+ * Returns the aspect ratio of the framebuffer. This is ALMOST always just
+ * the width / height, however some platforms may choose to override this if
+ * they have stretched styled back buffers, e.g. 640x480 stretched.
+ * 
+ * @param framebuffer The framebuffer to get the aspect ratio of.
+ * @return The aspect ratio of the framebuffer.
+ */
+float_t frameBufferGetAspect(const framebuffer_t *framebuffer);
+
 /**
  * Binds the framebuffer for rendering, or the backbuffer if the framebuffer 
  * provided is NULL.

src/dusk/display/mesh/CMakeLists.txt

@@ -9,4 +9,8 @@ target_sources(${DUSK_LIBRARY_TARGET_NAME}
     mesh.c
     quad.c
     cube.c
+    sphere.c
+    plane.c
+    capsule.c
+    triprism.c
 )

src/dusk/display/mesh/capsule.c

@@ -0,0 +1,192 @@
+/**
+ * Copyright (c) 2026 Dominic Masters
+ *
+ * This software is released under the MIT License.
+ * https://opensource.org/licenses/MIT
+ */
+
+#include "capsule.h"
+#include "assert/assert.h"
+
+mesh_t CAPSULE_MESH_SIMPLE;
+meshvertex_t CAPSULE_MESH_SIMPLE_VERTICES[CAPSULE_VERTEX_COUNT];
+
+errorret_t capsuleInit() {
+  vec3 center = { 0.0f, 0.0f, 0.0f };
+  capsuleBuffer(
+    CAPSULE_MESH_SIMPLE_VERTICES,
+    center,
+    0.5f,
+    0.5f,
+    CAPSULE_CAP_RINGS,
+    CAPSULE_SECTORS
+    #if MESH_ENABLE_COLOR
+      , COLOR_WHITE_4B
+    #endif
+  );
+  errorChain(meshInit(
+    &CAPSULE_MESH_SIMPLE,
+    CAPSULE_PRIMITIVE_TYPE,
+    CAPSULE_VERTEX_COUNT,
+    CAPSULE_MESH_SIMPLE_VERTICES
+  ));
+  errorOk();
+}
+
+void capsuleBuffer(
+  meshvertex_t *vertices,
+  const vec3 center,
+  const float_t radius,
+  const float_t halfHeight,
+  const int32_t capRings,
+  const int32_t sectors
+  #if MESH_ENABLE_COLOR
+    , const color_t color
+  #endif
+) {
+  assertNotNull(vertices, "Vertices cannot be NULL");
+  assertNotNull(center, "Center vector cannot be NULL");
+
+  const float_t cx = center[0];
+  const float_t cy = center[1];
+  const float_t cz = center[2];
+  const float_t sectorStep = 2.0f * (float_t)GLM_PI / (float_t)sectors;
+  int32_t vi = 0;
+
+  /* Helper macro: write one vertex. */
+  #if MESH_ENABLE_COLOR
+    #define CAP_VERT(px, py, pz, u, v) \
+      vertices[vi].color    = color; \
+      vertices[vi].pos[0]   = (px); \
+      vertices[vi].pos[1]   = (py); \
+      vertices[vi].pos[2]   = (pz); \
+      vertices[vi].uv[0]    = (u);  \
+      vertices[vi].uv[1]    = (v);  \
+      vi++;
+  #else
+    #define CAP_VERT(px, py, pz, u, v) \
+      vertices[vi].pos[0]   = (px); \
+      vertices[vi].pos[1]   = (py); \
+      vertices[vi].pos[2]   = (pz); \
+      vertices[vi].uv[0]    = (u);  \
+      vertices[vi].uv[1]    = (v);  \
+      vi++;
+  #endif
+
+  /* ---- Top hemisphere ---- */
+  /* phi ranges from PI/2 (top pole) down to 0 (equator). */
+  const float_t capStep = (float_t)GLM_PI_2 / (float_t)capRings;
+  for(int32_t i = 0; i < capRings; i++) {
+    const float_t phi1 = (float_t)GLM_PI_2 - (float_t)i       * capStep;
+    const float_t phi2 = (float_t)GLM_PI_2 - (float_t)(i + 1) * capStep;
+
+    const float_t ly1  = radius * sinf(phi1);
+    const float_t ly2  = radius * sinf(phi2);
+    const float_t lxz1 = radius * cosf(phi1);
+    const float_t lxz2 = radius * cosf(phi2);
+
+    /* UV: top cap occupies v in [0.5 + halfHeightFrac .. 1.0]: we use a
+     * simple per-band normalisation against the full height. */
+    const float_t v1 = 1.0f - (float_t)i       / (float_t)(2 * capRings + 1);
+    const float_t v2 = 1.0f - (float_t)(i + 1) / (float_t)(2 * capRings + 1);
+
+    for(int32_t j = 0; j < sectors; j++) {
+      const float_t t1 = (float_t)j       * sectorStep;
+      const float_t t2 = (float_t)(j + 1) * sectorStep;
+
+      const float_t u1 = (float_t)j       / (float_t)sectors;
+      const float_t u2 = (float_t)(j + 1) / (float_t)sectors;
+
+      const float_t x11 = lxz1 * cosf(t1), z11 = lxz1 * sinf(t1);
+      const float_t x12 = lxz1 * cosf(t2), z12 = lxz1 * sinf(t2);
+      const float_t x21 = lxz2 * cosf(t1), z21 = lxz2 * sinf(t1);
+      const float_t x22 = lxz2 * cosf(t2), z22 = lxz2 * sinf(t2);
+
+      const float_t y1off = cy + halfHeight + ly1;
+      const float_t y2off = cy + halfHeight + ly2;
+
+      CAP_VERT(cx+x11, y1off, cz+z11, u1, v1)
+      CAP_VERT(cx+x21, y2off, cz+z21, u1, v2)
+      CAP_VERT(cx+x12, y1off, cz+z12, u2, v1)
+
+      CAP_VERT(cx+x12, y1off, cz+z12, u2, v1)
+      CAP_VERT(cx+x21, y2off, cz+z21, u1, v2)
+      CAP_VERT(cx+x22, y2off, cz+z22, u2, v2)
+    }
+  }
+
+  /* ---- Cylindrical body ---- */
+  {
+    const float_t yTop = cy + halfHeight;
+    const float_t yBot = cy - halfHeight;
+    const float_t vTop = (
+      1.0f - (float_t)capRings / (float_t)(2 * capRings + 1)
+    );
+    const float_t vBot = (
+      1.0f - (float_t)(capRings + 1) / (float_t)(2 * capRings + 1)
+    );
+
+    for(int32_t j = 0; j < sectors; j++) {
+      const float_t t1 = (float_t)j       * sectorStep;
+      const float_t t2 = (float_t)(j + 1) * sectorStep;
+
+      const float_t u1 = (float_t)j       / (float_t)sectors;
+      const float_t u2 = (float_t)(j + 1) / (float_t)sectors;
+
+      const float_t x1 = radius * cosf(t1), z1 = radius * sinf(t1);
+      const float_t x2 = radius * cosf(t2), z2 = radius * sinf(t2);
+
+      CAP_VERT(cx+x1, yTop, cz+z1, u1, vTop)
+      CAP_VERT(cx+x1, yBot, cz+z1, u1, vBot)
+      CAP_VERT(cx+x2, yTop, cz+z2, u2, vTop)
+
+      CAP_VERT(cx+x2, yTop, cz+z2, u2, vTop)
+      CAP_VERT(cx+x1, yBot, cz+z1, u1, vBot)
+      CAP_VERT(cx+x2, yBot, cz+z2, u2, vBot)
+    }
+  }
+
+  // Bottom hemisphere
+  for(int32_t i = 0; i < capRings; i++) {
+    const float_t phi1 = -(float_t)i       * capStep;
+    const float_t phi2 = -(float_t)(i + 1) * capStep;
+
+    const float_t ly1  = radius * sinf(phi1);
+    const float_t ly2  = radius * sinf(phi2);
+    const float_t lxz1 = radius * cosf(phi1);
+    const float_t lxz2 = radius * cosf(phi2);
+
+    const float_t v1 = (
+      1.0f - (float_t)(capRings + 1 + i) / (float_t)(2 * capRings + 1)
+    );
+    const float_t v2 = (
+      1.0f - (float_t)(capRings + 1 + i + 1) / (float_t)(2 * capRings + 1)
+    );
+
+    for(int32_t j = 0; j < sectors; j++) {
+      const float_t t1 = (float_t)j       * sectorStep;
+      const float_t t2 = (float_t)(j + 1) * sectorStep;
+
+      const float_t u1 = (float_t)j       / (float_t)sectors;
+      const float_t u2 = (float_t)(j + 1) / (float_t)sectors;
+
+      const float_t x11 = lxz1 * cosf(t1), z11 = lxz1 * sinf(t1);
+      const float_t x12 = lxz1 * cosf(t2), z12 = lxz1 * sinf(t2);
+      const float_t x21 = lxz2 * cosf(t1), z21 = lxz2 * sinf(t1);
+      const float_t x22 = lxz2 * cosf(t2), z22 = lxz2 * sinf(t2);
+
+      const float_t y1off = cy - halfHeight + ly1;
+      const float_t y2off = cy - halfHeight + ly2;
+
+      CAP_VERT(cx+x11, y1off, cz+z11, u1, v1)
+      CAP_VERT(cx+x21, y2off, cz+z21, u1, v2)
+      CAP_VERT(cx+x12, y1off, cz+z12, u2, v1)
+
+      CAP_VERT(cx+x12, y1off, cz+z12, u2, v1)
+      CAP_VERT(cx+x21, y2off, cz+z21, u1, v2)
+      CAP_VERT(cx+x22, y2off, cz+z22, u2, v2)
+    }
+  }
+
+  #undef CAP_VERT
+}

src/dusk/display/mesh/capsule.h

@@ -0,0 +1,52 @@
+/**
+ * Copyright (c) 2026 Dominic Masters
+ *
+ * This software is released under the MIT License.
+ * https://opensource.org/licenses/MIT
+ */
+
+#pragma once
+#include "display/mesh/mesh.h"
+#include "display/color.h"
+
+#define CAPSULE_CAP_RINGS 4
+#define CAPSULE_SECTORS   16
+#define CAPSULE_VERTEX_COUNT ((2 * CAPSULE_CAP_RINGS + 1) * CAPSULE_SECTORS * 6)
+#define CAPSULE_PRIMITIVE_TYPE MESH_PRIMITIVE_TYPE_TRIANGLES
+
+extern mesh_t CAPSULE_MESH_SIMPLE;
+extern meshvertex_t CAPSULE_MESH_SIMPLE_VERTICES[CAPSULE_VERTEX_COUNT];
+
+/**
+ * Initializes the simple unit capsule mesh centered at (0,0,0) with radius 0.5
+ * and a cylindrical half-height of 0.5 (total height 2.0).
+ *
+ * @return Error for initialization of the capsule mesh.
+ */
+errorret_t capsuleInit();
+
+/**
+ * Buffers a capsule (cylinder + two hemisphere caps) into the provided vertex
+ * array. The capsule's long axis is Y. Total vertex count is
+ * (2*capRings + 1) * sectors * 6.
+ *
+ * @param vertices    Vertex array to write into.
+ * @param center      Center position of the capsule.
+ * @param radius      Radius of the cylinder and hemisphere caps.
+ * @param halfHeight  Half the height of the cylindrical section only (caps
+ *                    extend an additional radius above/below).
+ * @param capRings    Number of latitude rings per hemisphere cap.
+ * @param sectors     Number of longitude segments around the circumference.
+ * @param color       Color applied to all vertices.
+ */
+void capsuleBuffer(
+  meshvertex_t *vertices,
+  const vec3 center,
+  const float_t radius,
+  const float_t halfHeight,
+  const int32_t capRings,
+  const int32_t sectors
+  #if MESH_ENABLE_COLOR
+    , const color_t color
+  #endif
+);

src/dusk/display/mesh/cube.c

@@ -14,7 +14,12 @@ meshvertex_t CUBE_MESH_SIMPLE_VERTICES[CUBE_VERTEX_COUNT];
 errorret_t cubeInit() {
   vec3 min = { 0.0f, 0.0f, 0.0f };
   vec3 max = { 1.0f, 1.0f, 1.0f };
-  cubeBuffer(CUBE_MESH_SIMPLE_VERTICES, min, max, COLOR_WHITE_4B);
+  cubeBuffer(
+    CUBE_MESH_SIMPLE_VERTICES, min, max
+    #if MESH_ENABLE_COLOR
+      , COLOR_WHITE_4B
+    #endif
+  );
   errorChain(meshInit(
     &CUBE_MESH_SIMPLE,
     CUBE_PRIMITIVE_TYPE,
@@ -25,19 +30,30 @@ errorret_t cubeInit() {
 }
 
 // Helper macro: set one vertex position, UV and color.
-#define CUBE_VERT(i, px, py, pz, u, v) \
+#if MESH_ENABLE_COLOR
-  vertices[i].pos[0] = (px); \
+  #define CUBE_VERT(i, px, py, pz, u, v) \
-  vertices[i].pos[1] = (py); \
+    vertices[i].color  = color; \
-  vertices[i].pos[2] = (pz); \
+    vertices[i].pos[0] = (px); \
-  vertices[i].uv[0]  = (u);  \
+    vertices[i].pos[1] = (py); \
-  vertices[i].uv[1]  = (v);  \
+    vertices[i].pos[2] = (pz); \
-  vertices[i].color  = color
+    vertices[i].uv[0]  = (u);  \
+    vertices[i].uv[1]  = (v);
+#else
+  #define CUBE_VERT(i, px, py, pz, u, v) \
+    vertices[i].pos[0] = (px); \
+    vertices[i].pos[1] = (py); \
+    vertices[i].pos[2] = (pz); \
+    vertices[i].uv[0]  = (u);  \
+    vertices[i].uv[1]  = (v);
+#endif
 
 void cubeBuffer(
   meshvertex_t *vertices,
   const vec3 min,
-  const vec3 max,
+  const vec3 max
-  const color_t color
+  #if MESH_ENABLE_COLOR
+    , const color_t color
+  #endif
 ) {
   assertNotNull(vertices, "Vertices cannot be NULL");
   assertNotNull(min, "Min vector cannot be NULL");
@@ -46,7 +62,7 @@ void cubeBuffer(
   const float_t x0 = min[0], y0 = min[1], z0 = min[2];
   const float_t x1 = max[0], y1 = max[1], z1 = max[2];
 
-  // Front face (+Z normal) — CCW when viewed from +Z
+  // Front face (+Z normal): CCW when viewed from +Z
   CUBE_VERT( 0, x0, y0, z1,  0.0f, 0.0f);
   CUBE_VERT( 1, x1, y0, z1,  1.0f, 0.0f);
   CUBE_VERT( 2, x1, y1, z1,  1.0f, 1.0f);
@@ -54,7 +70,7 @@ void cubeBuffer(
   CUBE_VERT( 4, x1, y1, z1,  1.0f, 1.0f);
   CUBE_VERT( 5, x0, y1, z1,  0.0f, 1.0f);
 
-  // Back face (-Z normal) — CCW when viewed from -Z
+  // Back face (-Z normal): CCW when viewed from -Z
   CUBE_VERT( 6, x1, y0, z0,  0.0f, 0.0f);
   CUBE_VERT( 7, x0, y0, z0,  1.0f, 0.0f);
   CUBE_VERT( 8, x0, y1, z0,  1.0f, 1.0f);
@@ -62,7 +78,7 @@ void cubeBuffer(
   CUBE_VERT(10, x0, y1, z0,  1.0f, 1.0f);
   CUBE_VERT(11, x1, y1, z0,  0.0f, 1.0f);
 
-  // Right face (+X normal) — CCW when viewed from +X
+  // Right face (+X normal): CCW when viewed from +X
   CUBE_VERT(12, x1, y0, z1,  0.0f, 0.0f);
   CUBE_VERT(13, x1, y0, z0,  1.0f, 0.0f);
   CUBE_VERT(14, x1, y1, z0,  1.0f, 1.0f);
@@ -70,7 +86,7 @@ void cubeBuffer(
   CUBE_VERT(16, x1, y1, z0,  1.0f, 1.0f);
   CUBE_VERT(17, x1, y1, z1,  0.0f, 1.0f);
 
-  // Left face (-X normal) — CCW when viewed from -X
+  // Left face (-X normal): CCW when viewed from -X
   CUBE_VERT(18, x0, y0, z0,  0.0f, 0.0f);
   CUBE_VERT(19, x0, y0, z1,  1.0f, 0.0f);
   CUBE_VERT(20, x0, y1, z1,  1.0f, 1.0f);
@@ -78,7 +94,7 @@ void cubeBuffer(
   CUBE_VERT(22, x0, y1, z1,  1.0f, 1.0f);
   CUBE_VERT(23, x0, y1, z0,  0.0f, 1.0f);
 
-  // Top face (+Y normal) — CCW when viewed from +Y
+  // Top face (+Y normal): CCW when viewed from +Y
   CUBE_VERT(24, x0, y1, z1,  0.0f, 0.0f);
   CUBE_VERT(25, x1, y1, z1,  1.0f, 0.0f);
   CUBE_VERT(26, x1, y1, z0,  1.0f, 1.0f);
@@ -86,7 +102,7 @@ void cubeBuffer(
   CUBE_VERT(28, x1, y1, z0,  1.0f, 1.0f);
   CUBE_VERT(29, x0, y1, z0,  0.0f, 1.0f);
 
-  // Bottom face (-Y normal) — CCW when viewed from -Y
+  // Bottom face (-Y normal): CCW when viewed from -Y
   CUBE_VERT(30, x0, y0, z0,  0.0f, 0.0f);
   CUBE_VERT(31, x1, y0, z0,  1.0f, 0.0f);
   CUBE_VERT(32, x1, y0, z1,  1.0f, 1.0f);

src/dusk/display/mesh/cube.h

@@ -28,7 +28,7 @@ errorret_t cubeInit();
  * Buffers a 3D axis-aligned cube into the provided vertex array.
  * Writes CUBE_VERTEX_COUNT vertices (6 faces x 6 vertices, CCW winding).
  *
- * @param vertices The vertex array to buffer into (must hold CUBE_VERTEX_COUNT).
+ * @param vertices The vertex array to buffer into.
  * @param min The minimum XYZ corner of the cube.
  * @param max The maximum XYZ corner of the cube.
  * @param color The color applied to all vertices.
@@ -36,6 +36,8 @@ errorret_t cubeInit();
 void cubeBuffer(
   meshvertex_t *vertices,
   const vec3 min,
-  const vec3 max,
+  const vec3 max
-  const color_t color
+  #if MESH_ENABLE_COLOR
+    , const color_t color
+  #endif
 );

src/dusk/display/mesh/mesh.c

@@ -8,6 +8,7 @@
 #include "mesh.h"
 #include "util/memory.h"
 #include "assert/assert.h"
+#include "util/math.h"
 
 errorret_t meshInit(
   mesh_t *mesh,
@@ -33,10 +34,14 @@ errorret_t meshFlush(
   #ifdef meshFlushPlatform
     assertNotNull(mesh, "Mesh cannot be NULL");
     assertTrue(vertexOffset >= 0, "Vertex offset must be non-negative.");
-    assertTrue(vertexCount == -1 || vertexCount > 0, "Vertex count incorrect.");
+    assertTrue(
+      vertexCount == -1 || vertexCount > 0, "Vertex count incorrect."
+    );
 
     int32_t vertCount = meshGetVertexCount(mesh);
-    assertTrue(vertexOffset < (vertCount - 1), "Need at least one vert to draw");
+    assertTrue(
+      vertexOffset < (vertCount - 1), "Need at least one vert to draw"
+    );
 
     int32_t drawCount = vertexCount;
     if(vertexCount == -1) {
@@ -75,6 +80,29 @@ errorret_t meshDraw(
   errorOk();
 }
 
+void meshGetBounds(
+  const mesh_t *mesh,
+  vec3 outMin,
+  vec3 outMax
+) {
+  assertNotNull(mesh, "Mesh cannot be NULL");
+  assertNotNull(outMin, "Output min cannot be NULL");
+  assertNotNull(outMax, "Output max cannot be NULL");
+  
+  for(int i = 0; i < 3; i++) {
+    outMin[i] = FLT_MAX;
+    outMax[i] = -FLT_MAX;
+  }
+
+  for(uint32_t i = 0; i < mesh->vertexCount; i++) {
+    meshvertex_t vert = mesh->vertices[i];
+    for(int j = 0; j < 3; j++) {
+      outMin[j] = mathMin(outMin[j], vert.pos[j]);
+      outMax[j] = mathMax(outMax[j], vert.pos[j]);
+    }
+  }
+}
+
 int32_t meshGetVertexCount(const mesh_t *mesh) {
   assertNotNull(mesh, "Mesh cannot be NULL");
   return meshGetVertexCountPlatform(mesh);

src/dusk/display/mesh/mesh.h

@@ -70,6 +70,19 @@ errorret_t meshDraw(
   const int32_t vertexCount
 );
 
+/**
+ * Gets the axis-aligned bounding box of a mesh.
+ * 
+ * @param mesh The mesh to get the bounds of.
+ * @param outMin Output parameter for the minimum corner of the bounding box.
+ * @param outMax Output parameter for the maximum corner of the bounding box.
+ */
+void meshGetBounds(
+  const mesh_t *mesh,
+  vec3 outMin,
+  vec3 outMax
+);
+
 /**
  * Gets the vertex count of a mesh.
  * 

src/dusk/display/mesh/meshvertex.h

@@ -9,11 +9,18 @@
 #include "dusk.h"
 #include "display/color.h"
 
+#ifndef MESH_ENABLE_COLOR
+  #define MESH_ENABLE_COLOR 0
+#endif
+
 #define MESH_VERTEX_UV_SIZE 2
 #define MESH_VERTEX_POS_SIZE 3
 
 typedef struct {
-  color_t color;
+  #if MESH_ENABLE_COLOR
+    color_t color;
+  #endif
+
   float_t uv[MESH_VERTEX_UV_SIZE];
   float_t pos[MESH_VERTEX_POS_SIZE];
 } meshvertex_t;

src/dusk/display/mesh/plane.c

@@ -0,0 +1,116 @@
+/**
+ * Copyright (c) 2026 Dominic Masters
+ *
+ * This software is released under the MIT License.
+ * https://opensource.org/licenses/MIT
+ */
+
+#include "plane.h"
+#include "assert/assert.h"
+
+mesh_t PLANE_MESH_SIMPLE;
+meshvertex_t PLANE_MESH_SIMPLE_VERTICES[PLANE_VERTEX_COUNT];
+
+errorret_t planeInit() {
+  vec3 min = { 0.0f, 0.0f, 0.0f };
+  vec3 max = { 1.0f, 0.0f, 1.0f };
+  vec2 uvMin = { 0.0f, 0.0f };
+  vec2 uvMax = { 1.0f, 1.0f };
+  planeBuffer(
+    PLANE_MESH_SIMPLE_VERTICES,
+    PLANE_AXIS_XZ,
+    min,
+    max
+    #if MESH_ENABLE_COLOR
+      , COLOR_WHITE_4B
+    #endif
+    , uvMin,
+    uvMax
+  );
+  errorChain(meshInit(
+    &PLANE_MESH_SIMPLE,
+    PLANE_PRIMITIVE_TYPE,
+    PLANE_VERTEX_COUNT,
+    PLANE_MESH_SIMPLE_VERTICES
+  ));
+  errorOk();
+}
+
+/* Helper macro to write one vertex. */
+#if MESH_ENABLE_COLOR
+  #define PLANE_VERT(i, px, py, pz, u, v) \
+    vertices[i].color    = color; \
+    vertices[i].pos[0]   = (px); \
+    vertices[i].pos[1]   = (py); \
+    vertices[i].pos[2]   = (pz); \
+    vertices[i].uv[0]    = (u);  \
+    vertices[i].uv[1]    = (v);
+#else
+  #define PLANE_VERT(i, px, py, pz, u, v) \
+    vertices[i].pos[0]   = (px); \
+    vertices[i].pos[1]   = (py); \
+    vertices[i].pos[2]   = (pz); \
+    vertices[i].uv[0]    = (u);  \
+    vertices[i].uv[1]    = (v);
+#endif
+
+void planeBuffer(
+  meshvertex_t *vertices,
+  const planeaxis_t axis,
+  const vec3 min,
+  const vec3 max
+  #if MESH_ENABLE_COLOR
+    , const color_t color
+  #endif
+  , const vec2 uvMin,
+  const vec2 uvMax
+) {
+  assertNotNull(vertices, "Vertices cannot be NULL");
+  assertNotNull(min, "Min vector cannot be NULL");
+  assertNotNull(max, "Max vector cannot be NULL");
+  assertNotNull(uvMin, "uvMin cannot be NULL");
+  assertNotNull(uvMax, "uvMax cannot be NULL");
+
+  const float_t u0 = uvMin[0], u1 = uvMax[0];
+  const float_t v0 = uvMin[1], v1 = uvMax[1];
+
+  switch (axis) {
+    case PLANE_AXIS_XY: {
+      /* Flat in XY at z = min[2]; spans X and Y. */
+      const float_t z = min[2];
+      PLANE_VERT(0, min[0], min[1], z, u0, v0)
+      PLANE_VERT(1, max[0], min[1], z, u1, v0)
+      PLANE_VERT(2, max[0], max[1], z, u1, v1)
+      PLANE_VERT(3, min[0], min[1], z, u0, v0)
+      PLANE_VERT(4, max[0], max[1], z, u1, v1)
+      PLANE_VERT(5, min[0], max[1], z, u0, v1)
+      break;
+    }
+
+    case PLANE_AXIS_XZ: {
+      /* Flat in XZ at y = min[1]; spans X and Z. */
+      const float_t y = min[1];
+      PLANE_VERT(0, min[0], y, min[2], u0, v0)
+      PLANE_VERT(1, max[0], y, min[2], u1, v0)
+      PLANE_VERT(2, max[0], y, max[2], u1, v1)
+      PLANE_VERT(3, min[0], y, min[2], u0, v0)
+      PLANE_VERT(4, max[0], y, max[2], u1, v1)
+      PLANE_VERT(5, min[0], y, max[2], u0, v1)
+      break;
+    }
+
+    case PLANE_AXIS_YZ: {
+      /* Flat in YZ at x = min[0]; spans Y and Z. */
+      const float_t x = min[0];
+      PLANE_VERT(0, x, min[1], min[2], u0, v0)
+      PLANE_VERT(1, x, max[1], min[2], u1, v0)
+      PLANE_VERT(2, x, max[1], max[2], u1, v1)
+      PLANE_VERT(3, x, min[1], min[2], u0, v0)
+      PLANE_VERT(4, x, max[1], max[2], u1, v1)
+      PLANE_VERT(5, x, min[1], max[2], u0, v1)
+      break;
+    }
+  }
+
+  #undef PLANE_VERT
+}

src/dusk/display/mesh/plane.h

@@ -0,0 +1,61 @@
+/**
+ * Copyright (c) 2026 Dominic Masters
+ *
+ * This software is released under the MIT License.
+ * https://opensource.org/licenses/MIT
+ */
+
+#pragma once
+#include "display/mesh/mesh.h"
+#include "display/color.h"
+
+#define PLANE_VERTEX_COUNT 6
+#define PLANE_PRIMITIVE_TYPE MESH_PRIMITIVE_TYPE_TRIANGLES
+
+/** Which axis the plane's normal points along. */
+typedef enum {
+  PLANE_AXIS_XY = 0, /**< Flat in XY, normal along +Z (billboard/wall face). */
+  PLANE_AXIS_XZ = 1, /**< Flat in XZ, normal along +Y (ground/floor plane). */
+  PLANE_AXIS_YZ = 2, /**< Flat in YZ, normal along +X (side wall). */
+} planeaxis_t;
+
+extern mesh_t PLANE_MESH_SIMPLE;
+extern meshvertex_t PLANE_MESH_SIMPLE_VERTICES[PLANE_VERTEX_COUNT];
+
+/**
+ * Initializes the simple unit XZ plane mesh (ground plane) from (0,0,0) to
+ * (1,0,1).
+ *
+ * @return Error for initialization of the plane mesh.
+ */
+errorret_t planeInit();
+
+/**
+ * Buffers an axis-aligned plane into the provided vertex array.
+ * Writes PLANE_VERTEX_COUNT (6) vertices (two triangles, CCW winding).
+ *
+ * The min/max corners fully describe the plane in 3D space. The axis enum
+ * controls which dimension is treated as the "depth" (normal) axis:
+ *   PLANE_AXIS_XY: spans X and Y, depth from min[2]/max[2] (uses min[2])
+ *   PLANE_AXIS_XZ: spans X and Z, depth from min[1]/max[1] (uses min[1])
+ *   PLANE_AXIS_YZ: spans Y and Z, depth from min[0]/max[0] (uses min[0])
+ *
+ * @param vertices  Vertex array to write into (must hold PLANE_VERTEX_COUNT).
+ * @param axis      Which axis the plane's normal points along.
+ * @param min       Minimum XYZ corner.
+ * @param max       Maximum XYZ corner.
+ * @param color     Color applied to all vertices.
+ * @param uvMin     Minimum UV coordinates.
+ * @param uvMax     Maximum UV coordinates.
+ */
+void planeBuffer(
+  meshvertex_t *vertices,
+  const planeaxis_t axis,
+  const vec3 min,
+  const vec3 max
+  #if MESH_ENABLE_COLOR
+    , const color_t color
+  #endif
+  , const vec2 uvMin,
+  const vec2 uvMax
+);

src/dusk/display/mesh/quad.c

@@ -10,13 +10,55 @@
 
 mesh_t QUAD_MESH_SIMPLE;
 meshvertex_t QUAD_MESH_SIMPLE_VERTICES[QUAD_VERTEX_COUNT] = {
-  { .color = COLOR_WHITE_4B, .uv = { 0.0f, 0.0f }, .pos = { 0.0f, 0.0f, 0.0f } },
+  {
-  { .color = COLOR_WHITE_4B, .uv = { 1.0f, 0.0f }, .pos = { 1.0f, 0.0f, 0.0f } },
+    #if MESH_ENABLE_COLOR
-  { .color = COLOR_WHITE_4B, .uv = { 1.0f, 1.0f }, .pos = { 1.0f, 1.0f, 0.0f } },
+      .color = COLOR_WHITE_4B,
+    #endif
 
-  { .color = COLOR_WHITE_4B, .uv = { 0.0f, 0.0f }, .pos = { 0.0f, 0.0f, 0.0f } },
+    .uv = { 0.0f, 0.0f },
-  { .color = COLOR_WHITE_4B, .uv = { 1.0f, 1.0f }, .pos = { 1.0f, 1.0f, 0.0f } },
+    .pos = { 0.0f, 0.0f, 0.0f }
-  { .color = COLOR_WHITE_4B, .uv = { 0.0f, 1.0f }, .pos = { 0.0f, 1.0f, 0.0f } }
+  },
+
+  {
+    #if MESH_ENABLE_COLOR
+      .color = COLOR_WHITE_4B,
+    #endif
+    .uv = { 1.0f, 0.0f },
+    .pos = { 1.0f, 0.0f, 0.0f }
+  },
+
+  {
+    #if MESH_ENABLE_COLOR
+      .color = COLOR_WHITE_4B,
+    #endif
+    .uv = { 1.0f, 1.0f },
+    .pos = { 1.0f, 1.0f, 0.0f }
+  },
+
+
+  {
+    #if MESH_ENABLE_COLOR
+      .color = COLOR_WHITE_4B,
+    #endif
+    .uv = { 0.0f, 0.0f },
+    .pos = { 0.0f, 0.0f, 0.0f }
+  },
+
+  {
+    #if MESH_ENABLE_COLOR
+      .color = COLOR_WHITE_4B,
+    #endif
+    .uv = { 1.0f, 1.0f },
+    .pos = { 1.0f, 1.0f, 0.0f }
+  },
+
+  {
+    #if MESH_ENABLE_COLOR
+      .color = COLOR_WHITE_4B,
+    #endif
+    .uv = { 0.0f, 1.0f },
+    .pos = { 0.0f, 1.0f, 0.0f }
+  }
 };
 
 errorret_t quadInit() {
@@ -35,31 +77,39 @@ void quadBuffer(
   const float_t minY,
   const float_t maxX,
   const float_t maxY,
-  const color_t color,
   const float_t u0,
   const float_t v0,
   const float_t u1,
   const float_t v1
+  #if MESH_ENABLE_COLOR
+    , const color_t color
+  #endif
 ) {
   const float_t z = 0.0f; // Z coordinate for 2D rendering
   assertNotNull(vertices, "Vertices cannot be NULL");
 
   // First triangle
-  vertices[0].color = color;
+  #if MESH_ENABLE_COLOR
+    vertices[0].color = color;
+  #endif
   vertices[0].uv[0] = u0;
   vertices[0].uv[1] = v1;
   vertices[0].pos[0] = minX;
   vertices[0].pos[1] = maxY;
   vertices[0].pos[2] = z;
 
-  vertices[1].color = color;
+  #if MESH_ENABLE_COLOR
+    vertices[1].color = color;
+  #endif
   vertices[1].uv[0] = u1;
   vertices[1].uv[1] = v0;
   vertices[1].pos[0] = maxX;
   vertices[1].pos[1] = minY;
   vertices[1].pos[2] = z;
 
-  vertices[2].color = color;
+  #if MESH_ENABLE_COLOR
+    vertices[2].color = color;
+  #endif
   vertices[2].uv[0] = u0;
   vertices[2].uv[1] = v0;
   vertices[2].pos[0] = minX;
@@ -67,21 +117,27 @@ void quadBuffer(
   vertices[2].pos[2] = z;
 
   // Second triangle
-  vertices[3].color = color;
+  #if MESH_ENABLE_COLOR
+    vertices[3].color = color;
+  #endif
   vertices[3].uv[0] = u0;
   vertices[3].uv[1] = v1;
   vertices[3].pos[0] = minX;
   vertices[3].pos[1] = maxY;
   vertices[3].pos[2] = z;
 
-  vertices[4].color = color;
+  #if MESH_ENABLE_COLOR
+    vertices[4].color = color;
+  #endif
   vertices[4].uv[0] = u1;
   vertices[4].uv[1] = v1;
   vertices[4].pos[0] = maxX;
   vertices[4].pos[1] = maxY;
   vertices[4].pos[2] = z;
 
-  vertices[5].color = color;
+  #if MESH_ENABLE_COLOR
+    vertices[5].color = color;
+  #endif
   vertices[5].uv[0] = u1;
   vertices[5].uv[1] = v0;
   vertices[5].pos[0] = maxX;
@@ -93,9 +149,11 @@ void quadBuffer3D(
   meshvertex_t *vertices,
   const vec3 min,
   const vec3 max,
-  const color_t color,
   const vec2 uvMin,
   const vec2 uvMax
+  #if MESH_ENABLE_COLOR
+    , const color_t color
+  #endif
 ) {
   assertNotNull(vertices, "Vertices cannot be NULL");
   assertNotNull(min, "Min vector cannot be NULL");
@@ -104,21 +162,27 @@ void quadBuffer3D(
   assertNotNull(uvMax, "UV Max vector cannot be NULL");
 
   // First triangle
-  vertices[0].color = color;
+  #if MESH_ENABLE_COLOR
+    vertices[0].color = color;
+  #endif
   vertices[0].uv[0] = uvMin[0];
   vertices[0].uv[1] = uvMin[1];
   vertices[0].pos[0] = min[0];
   vertices[0].pos[1] = min[1];
   vertices[0].pos[2] = min[2];
 
-  vertices[1].color = color;
+  #if MESH_ENABLE_COLOR
+    vertices[1].color = color;
+  #endif
   vertices[1].uv[0] = uvMax[0];
   vertices[1].uv[1] = uvMin[1];
   vertices[1].pos[0] = max[0];
   vertices[1].pos[1] = min[1];
   vertices[1].pos[2] = min[2];
 
-  vertices[2].color = color;
+  #if MESH_ENABLE_COLOR
+    vertices[2].color = color;
+  #endif
   vertices[2].uv[0] = uvMax[0];
   vertices[2].uv[1] = uvMax[1];
   vertices[2].pos[0] = max[0];
@@ -126,21 +190,27 @@ void quadBuffer3D(
   vertices[2].pos[2] = min[2];
 
   // Second triangle
-  vertices[3].color = color;
+  #if MESH_ENABLE_COLOR
+    vertices[3].color = color;
+  #endif
   vertices[3].uv[0] = uvMin[0];
   vertices[3].uv[1] = uvMin[1];
   vertices[3].pos[0] = min[0];
   vertices[3].pos[1] = min[1];
   vertices[3].pos[2] = min[2];
 
-  vertices[4].color = color;
+  #if MESH_ENABLE_COLOR
+    vertices[4].color = color;
+  #endif
   vertices[4].uv[0] = uvMax[0];
   vertices[4].uv[1] = uvMax[1];
   vertices[4].pos[0] = max[0];
   vertices[4].pos[1] = max[1];
   vertices[4].pos[2] = min[2];
 
-  vertices[5].color = color;
+  #if MESH_ENABLE_COLOR
+    vertices[5].color = color;
+  #endif
   vertices[5].uv[0] = uvMin[0];
   vertices[5].uv[1] = uvMax[1];
   vertices[5].pos[0] = min[0];

src/dusk/display/mesh/quad.h

@@ -42,11 +42,13 @@ void quadBuffer(
   const float_t minY,
   const float_t maxX,
   const float_t maxY,
-  const color_t color,
   const float_t u0,
   const float_t v0,
   const float_t u1,
   const float_t v1
+  #if MESH_ENABLE_COLOR
+    , const color_t color
+  #endif
 );
 
 /**
@@ -63,7 +65,9 @@ void quadBuffer3D(
   meshvertex_t *vertices,
   const vec3 min,
   const vec3 max,
-  const color_t color,
   const vec2 uvMin,
   const vec2 uvMax
+  #if MESH_ENABLE_COLOR
+    , const color_t color
+  #endif
 );

src/dusk/display/mesh/sphere.c

@@ -0,0 +1,145 @@
+/**
+ * Copyright (c) 2026 Dominic Masters
+ *
+ * This software is released under the MIT License.
+ * https://opensource.org/licenses/MIT
+ */
+
+#include "sphere.h"
+#include "assert/assert.h"
+
+mesh_t SPHERE_MESH_SIMPLE;
+meshvertex_t SPHERE_MESH_SIMPLE_VERTICES[SPHERE_VERTEX_COUNT];
+
+errorret_t sphereInit() {
+  vec3 center = { 0.0f, 0.0f, 0.0f };
+  sphereBuffer(
+    SPHERE_MESH_SIMPLE_VERTICES,
+    center,
+    0.5f,
+    SPHERE_STACKS,
+    SPHERE_SECTORS
+    #if MESH_ENABLE_COLOR
+      , COLOR_WHITE_4B
+    #endif
+  );
+  errorChain(meshInit(
+    &SPHERE_MESH_SIMPLE,
+    SPHERE_PRIMITIVE_TYPE,
+    SPHERE_VERTEX_COUNT,
+    SPHERE_MESH_SIMPLE_VERTICES
+  ));
+  errorOk();
+}
+
+void sphereBuffer(
+  meshvertex_t *vertices,
+  const vec3 center,
+  const float_t radius,
+  const int32_t stacks,
+  const int32_t sectors
+  #if MESH_ENABLE_COLOR
+    , const color_t color
+  #endif
+) {
+  assertNotNull(vertices, "Vertices cannot be NULL");
+  assertNotNull(center, "Center vector cannot be NULL");
+
+  const float_t stackStep   = (float_t)GLM_PI / (float_t)stacks;
+  const float_t sectorStep  = 2.0f * (float_t)GLM_PI / (float_t)sectors;
+  int32_t vi = 0;
+
+  for(int32_t i = 0; i < stacks; i++) {
+    /* Latitude angles: top of band -> bottom of band */
+    const float_t phi1 = (float_t)GLM_PI_2 - (float_t)i       * stackStep;
+    const float_t phi2 = (float_t)GLM_PI_2 - (float_t)(i + 1) * stackStep;
+
+    const float_t y1  = radius * sinf(phi1);
+    const float_t y2  = radius * sinf(phi2);
+    const float_t xz1 = radius * cosf(phi1);
+    const float_t xz2 = radius * cosf(phi2);
+
+    const float_t v1 = 1.0f - (float_t)i       / (float_t)stacks;
+    const float_t v2 = 1.0f - (float_t)(i + 1) / (float_t)stacks;
+
+    for(int32_t j = 0; j < sectors; j++) {
+      const float_t theta1 = (float_t)j       * sectorStep;
+      const float_t theta2 = (float_t)(j + 1) * sectorStep;
+
+      const float_t x11 = xz1 * cosf(theta1);
+      const float_t z11 = xz1 * sinf(theta1);
+      const float_t x12 = xz1 * cosf(theta2);
+      const float_t z12 = xz1 * sinf(theta2);
+
+      const float_t x21 = xz2 * cosf(theta1);
+      const float_t z21 = xz2 * sinf(theta1);
+      const float_t x22 = xz2 * cosf(theta2);
+      const float_t z22 = xz2 * sinf(theta2);
+
+      const float_t u1 = (float_t)j       / (float_t)sectors;
+      const float_t u2 = (float_t)(j + 1) / (float_t)sectors;
+
+      /* Triangle 1: top-left, bottom-left, top-right */
+      #if MESH_ENABLE_COLOR
+        vertices[vi].color = color;
+      #endif
+      vertices[vi].pos[0] = center[0] + x11;
+      vertices[vi].pos[1] = center[1] + y1;
+      vertices[vi].pos[2] = center[2] + z11;
+      vertices[vi].uv[0]  = u1;
+      vertices[vi].uv[1]  = v1;
+      vi++;
+
+      #if MESH_ENABLE_COLOR
+        vertices[vi].color = color;
+      #endif
+      vertices[vi].pos[0] = center[0] + x21;
+      vertices[vi].pos[1] = center[1] + y2;
+      vertices[vi].pos[2] = center[2] + z21;
+      vertices[vi].uv[0]  = u1;
+      vertices[vi].uv[1]  = v2;
+      vi++;
+
+      #if MESH_ENABLE_COLOR
+        vertices[vi].color = color;
+      #endif
+      vertices[vi].pos[0] = center[0] + x12;
+      vertices[vi].pos[1] = center[1] + y1;
+      vertices[vi].pos[2] = center[2] + z12;
+      vertices[vi].uv[0]  = u2;
+      vertices[vi].uv[1]  = v1;
+      vi++;
+
+      /* Triangle 2: top-right, bottom-left, bottom-right */
+      #if MESH_ENABLE_COLOR
+        vertices[vi].color = color;
+      #endif
+      vertices[vi].pos[0] = center[0] + x12;
+      vertices[vi].pos[1] = center[1] + y1;
+      vertices[vi].pos[2] = center[2] + z12;
+      vertices[vi].uv[0]  = u2;
+      vertices[vi].uv[1]  = v1;
+      vi++;
+
+      #if MESH_ENABLE_COLOR
+        vertices[vi].color = color;
+      #endif
+      vertices[vi].pos[0] = center[0] + x21;
+      vertices[vi].pos[1] = center[1] + y2;
+      vertices[vi].pos[2] = center[2] + z21;
+      vertices[vi].uv[0]  = u1;
+      vertices[vi].uv[1]  = v2;
+      vi++;
+
+      #if MESH_ENABLE_COLOR
+        vertices[vi].color = color;
+      #endif
+      vertices[vi].pos[0] = center[0] + x22;
+      vertices[vi].pos[1] = center[1] + y2;
+      vertices[vi].pos[2] = center[2] + z22;
+      vertices[vi].uv[0]  = u2;
+      vertices[vi].uv[1]  = v2;
+      vi++;
+    }
+  }
+}

src/dusk/display/mesh/sphere.h

@@ -0,0 +1,47 @@
+/**
+ * Copyright (c) 2026 Dominic Masters
+ *
+ * This software is released under the MIT License.
+ * https://opensource.org/licenses/MIT
+ */
+
+#pragma once
+#include "display/mesh/mesh.h"
+#include "display/color.h"
+
+#define SPHERE_STACKS 8
+#define SPHERE_SECTORS 16
+#define SPHERE_VERTEX_COUNT (SPHERE_STACKS * SPHERE_SECTORS * 6)
+#define SPHERE_PRIMITIVE_TYPE MESH_PRIMITIVE_TYPE_TRIANGLES
+
+extern mesh_t SPHERE_MESH_SIMPLE;
+extern meshvertex_t SPHERE_MESH_SIMPLE_VERTICES[SPHERE_VERTEX_COUNT];
+
+/**
+ * Initializes the simple unit sphere mesh centered at (0,0,0) with radius 0.5.
+ *
+ * @return Error for initialization of the sphere mesh.
+ */
+errorret_t sphereInit();
+
+/**
+ * Buffers a UV sphere into the provided vertex array.
+ * Writes stacks * sectors * 6 vertices (CCW winding).
+ *
+ * @param vertices  Vertex array to write into (must hold stacks*sectors*6).
+ * @param center    Center position of the sphere.
+ * @param radius    Radius of the sphere.
+ * @param stacks    Number of horizontal rings (latitude bands).
+ * @param sectors   Number of vertical segments (longitude slices).
+ * @param color     Color applied to all vertices.
+ */
+void sphereBuffer(
+  meshvertex_t *vertices,
+  const vec3 center,
+  const float_t radius,
+  const int32_t stacks,
+  const int32_t sectors
+  #if MESH_ENABLE_COLOR
+    , const color_t color
+  #endif
+);

src/dusk/display/mesh/triprism.c

@@ -0,0 +1,106 @@
+/**
+ * Copyright (c) 2026 Dominic Masters
+ *
+ * This software is released under the MIT License.
+ * https://opensource.org/licenses/MIT
+ */
+
+#include "triprism.h"
+#include "assert/assert.h"
+
+mesh_t TRIPRISM_MESH_SIMPLE;
+meshvertex_t TRIPRISM_MESH_SIMPLE_VERTICES[TRIPRISM_VERTEX_COUNT];
+
+errorret_t triPrismInit() {
+  triPrismBuffer(
+    TRIPRISM_MESH_SIMPLE_VERTICES,
+    0.0f, 0.0f,   /* p0: bottom-left */
+    1.0f, 0.0f,   /* p1: bottom-right */
+    0.5f, 1.0f,   /* p2: apex */
+    0.0f, 1.0f    /* minZ, maxZ */
+    #if MESH_ENABLE_COLOR
+      , COLOR_WHITE_4B
+    #endif
+  );
+  errorChain(meshInit(
+    &TRIPRISM_MESH_SIMPLE,
+    TRIPRISM_PRIMITIVE_TYPE,
+    TRIPRISM_VERTEX_COUNT,
+    TRIPRISM_MESH_SIMPLE_VERTICES
+  ));
+  errorOk();
+}
+
+void triPrismBuffer(
+  meshvertex_t *vertices,
+  const float_t x0, const float_t y0,
+  const float_t x1, const float_t y1,
+  const float_t x2, const float_t y2,
+  const float_t minZ,
+  const float_t maxZ
+  #if MESH_ENABLE_COLOR
+    , const color_t color
+  #endif
+) {
+  assertNotNull(vertices, "Vertices cannot be NULL");
+
+  /* Helper macro: write one vertex then advance index. */
+  int32_t vi = 0;
+  #if MESH_ENABLE_COLOR
+    #define PRISM_VERT(px, py, pz, u, v) \
+      vertices[vi].color    = color; \
+      vertices[vi].pos[0]   = (px); \
+      vertices[vi].pos[1]   = (py); \
+      vertices[vi].pos[2]   = (pz); \
+      vertices[vi].uv[0]    = (u);  \
+      vertices[vi].uv[1]    = (v);  \
+      vi++;
+  #else
+    #define PRISM_VERT(px, py, pz, u, v) \
+      vertices[vi].pos[0]   = (px); \
+      vertices[vi].pos[1]   = (py); \
+      vertices[vi].pos[2]   = (pz); \
+      vertices[vi].uv[0]    = (u);  \
+      vertices[vi].uv[1]    = (v);  \
+      vi++;
+  #endif
+
+  /* --- Front face (z = maxZ), CCW from +Z --- */
+  PRISM_VERT(x0, y0, maxZ,  0.0f, 0.0f)
+  PRISM_VERT(x1, y1, maxZ,  1.0f, 0.0f)
+  PRISM_VERT(x2, y2, maxZ,  0.5f, 1.0f)
+
+  /* --- Back face (z = minZ), CCW from -Z (reverse winding) --- */
+  PRISM_VERT(x2, y2, minZ,  0.5f, 1.0f)
+  PRISM_VERT(x1, y1, minZ,  1.0f, 0.0f)
+  PRISM_VERT(x0, y0, minZ,  0.0f, 0.0f)
+
+  /* --- Side face 0: edge p0->p1 --- */
+  PRISM_VERT(x0, y0, minZ,  0.0f, 0.0f)
+  PRISM_VERT(x1, y1, minZ,  1.0f, 0.0f)
+  PRISM_VERT(x1, y1, maxZ,  1.0f, 1.0f)
+
+  PRISM_VERT(x0, y0, minZ,  0.0f, 0.0f)
+  PRISM_VERT(x1, y1, maxZ,  1.0f, 1.0f)
+  PRISM_VERT(x0, y0, maxZ,  0.0f, 1.0f)
+
+  /* --- Side face 1: edge p1->p2 --- */
+  PRISM_VERT(x1, y1, minZ,  0.0f, 0.0f)
+  PRISM_VERT(x2, y2, minZ,  1.0f, 0.0f)
+  PRISM_VERT(x2, y2, maxZ,  1.0f, 1.0f)
+
+  PRISM_VERT(x1, y1, minZ,  0.0f, 0.0f)
+  PRISM_VERT(x2, y2, maxZ,  1.0f, 1.0f)
+  PRISM_VERT(x1, y1, maxZ,  0.0f, 1.0f)
+
+  /* --- Side face 2: edge p2->p0 --- */
+  PRISM_VERT(x2, y2, minZ,  0.0f, 0.0f)
+  PRISM_VERT(x0, y0, minZ,  1.0f, 0.0f)
+  PRISM_VERT(x0, y0, maxZ,  1.0f, 1.0f)
+
+  PRISM_VERT(x2, y2, minZ,  0.0f, 0.0f)
+  PRISM_VERT(x0, y0, maxZ,  1.0f, 1.0f)
+  PRISM_VERT(x2, y2, maxZ,  0.0f, 1.0f)
+
+  #undef PRISM_VERT
+}

src/dusk/display/mesh/triprism.h

@@ -0,0 +1,50 @@
+/**
+ * Copyright (c) 2026 Dominic Masters
+ *
+ * This software is released under the MIT License.
+ * https://opensource.org/licenses/MIT
+ */
+
+#pragma once
+#include "display/mesh/mesh.h"
+#include "display/color.h"
+
+#define TRIPRISM_VERTEX_COUNT 24
+#define TRIPRISM_PRIMITIVE_TYPE MESH_PRIMITIVE_TYPE_TRIANGLES
+
+extern mesh_t TRIPRISM_MESH_SIMPLE;
+extern meshvertex_t TRIPRISM_MESH_SIMPLE_VERTICES[TRIPRISM_VERTEX_COUNT];
+
+/**
+ * Initializes the simple unit triangular prism. The cross-section triangle has
+ * vertices (0,0), (1,0), (0.5,1) in XY, extruded from z=0 to z=1.
+ *
+ * @return Error for initialization of the triangular prism mesh.
+ */
+errorret_t triPrismInit();
+
+/**
+ * Buffers a triangular prism into the provided vertex array.
+ * The triangular cross-section is defined by three 2D points in the XY plane;
+ * the prism is extruded along the Z axis between minZ and maxZ.
+ * Writes TRIPRISM_VERTEX_COUNT (24) vertices (CCW winding).
+ *
+ * @param vertices  Vertex array to write into.
+ * @param x0,y0 First triangle vertex (XY).
+ * @param x1,y1 Second triangle vertex (XY).
+ * @param x2,y2 Third triangle vertex (XY).
+ * @param minZ Near Z extent of the prism.
+ * @param maxZ Far Z extent of the prism.
+ * @param color Color applied to all vertices.
+ */
+void triPrismBuffer(
+  meshvertex_t *vertices,
+  const float_t x0, const float_t y0,
+  const float_t x1, const float_t y1,
+  const float_t x2, const float_t y2,
+  const float_t minZ,
+  const float_t maxZ
+  #if MESH_ENABLE_COLOR
+    , const color_t color
+  #endif
+);

src/dusk/display/screen/screen.c

@@ -26,9 +26,11 @@ errorret_t screenInit() {
       SCREEN.frameBufferMeshVertices,
       0.0f, 0.0f,
       1.0f, 1.0f,
-      COLOR_WHITE,
       0.0f, 0.0f,
       1.0f, 1.0f
+      #if MESH_ENABLE_COLOR
+        , COLOR_WHITE
+      #endif
     );
     errorChain(meshInit(
       &SCREEN.frameBufferMesh,
@@ -50,7 +52,7 @@ errorret_t screenBind() {
       // Screen mode backbuffer uses the full display size
       SCREEN.width = frameBufferGetWidth(FRAMEBUFFER_BOUND);
       SCREEN.height = frameBufferGetHeight(FRAMEBUFFER_BOUND);
-      SCREEN.aspect = (float_t)SCREEN.width / (float_t)SCREEN.height;
+      SCREEN.aspect = frameBufferGetAspect(FRAMEBUFFER_BOUND);
 
       // No needd for a framebuffer.
       #ifdef DUSK_DISPLAY_SIZE_DYNAMIC
@@ -98,8 +100,7 @@ errorret_t screenBind() {
         int32_t fbWidth, fbHeight;
         fbWidth = frameBufferGetWidth(FRAMEBUFFER_BOUND);
         fbHeight = frameBufferGetHeight(FRAMEBUFFER_BOUND);
-
+        float_t currentAspect = frameBufferGetAspect(FRAMEBUFFER_BOUND);
-        float_t currentAspect = (float_t)fbWidth / (float_t)fbHeight;
         if(currentAspect == SCREEN.aspectRatio.ratio) {
           // No need to use framebuffer.
           SCREEN.width = fbWidth;
@@ -127,13 +128,14 @@ errorret_t screenBind() {
         if(SCREEN.framebufferReady) {
           // Is current framebuffer the correct size?
           int32_t curFbWidth, curFbHeight;
+          float_t curFbAspect = frameBufferGetAspect(&SCREEN.framebuffer);
           curFbWidth = frameBufferGetWidth(&SCREEN.framebuffer);
           curFbHeight = frameBufferGetHeight(&SCREEN.framebuffer);
           if(curFbWidth == newFbWidth && curFbHeight == newFbHeight) {
             // Correct size, nothing to do.
             SCREEN.width = newFbWidth;
             SCREEN.height = newFbHeight;
-            SCREEN.aspect = (float_t)SCREEN.width / (float_t)SCREEN.height;
+            SCREEN.aspect = curFbAspect;
             errorChain(frameBufferBind(&SCREEN.framebuffer));
             errorOk();
           }
@@ -361,9 +363,11 @@ errorret_t screenRender() {
         SCREEN.frameBufferMeshVertices,
         centerX - fbWidth * 0.5f, centerY + fbHeight * 0.5f, // top-left
         centerX + fbWidth * 0.5f, centerY - fbHeight * 0.5f, // bottom-right
-        COLOR_WHITE,
         0.0f, 0.0f,
         1.0f, 1.0f
+        #if MESH_ENABLE_COLOR
+          , COLOR_WHITE
+        #endif
       );
 
       frameBufferClear(

src/dusk/display/shader/CMakeLists.txt

@@ -7,5 +7,6 @@
 target_sources(${DUSK_LIBRARY_TARGET_NAME}
   PUBLIC
     shader.c
+    shaderlist.c
     shaderunlit.c
 )

src/dusk/display/shader/shader.c

@@ -8,6 +8,7 @@
 #include "shader.h"
 #include "shadermaterial.h"
 #include "assert/assert.h"
+#include "log/log.h"
 
 shader_t *bound = NULL;
 
@@ -57,6 +58,7 @@ errorret_t shaderSetColor(
 ) {
   assertNotNull(shader, "Shader cannot be null");
   assertStrLenMin(name, 1, "Uniform name cannot be empty");
+  assertTrue(bound == shader, "Shader must be bound.");
   errorChain(shaderSetColorPlatform(shader, name, color));
   errorOk();
 }

src/dusk/display/shader/shaderlist.c

@@ -0,0 +1,87 @@
+/**
+ * Copyright (c) 2026 Dominic Masters
+ *
+ * This software is released under the MIT License.
+ * https://opensource.org/licenses/MIT
+ */
+
+#include "shaderlist.h"
+#include "display/screen/screen.h"
+#include "assert/assert.h"
+
+shaderlistdef_t SHADER_LIST_DEFS[SHADER_LIST_SHADER_COUNT] = {
+  [SHADER_LIST_SHADER_UNLIT] = {
+    .shader = &SHADER_UNLIT,
+    .definition = &SHADER_UNLIT_DEFINITION
+  },
+};
+
+errorret_t shaderListInit() {
+  mat4 view, proj, model;
+  glm_lookat(
+    (vec3){ 0.0f, 0.0f, 1.0f },
+    (vec3){ 0.0f, 0.0f, 0.0f },
+    (vec3){ 0.0f, 1.0f, 0.0f },
+    view
+  );
+
+  glm_perspective(
+    glm_rad(45.0f),
+    SCREEN.aspect,
+    0.1f,
+    100.0f,
+    proj
+  );
+
+  glm_mat4_identity(model);
+
+  for(shaderlistshader_t i = 0; i < SHADER_LIST_SHADER_COUNT; i++) {
+    if(i == SHADER_LIST_SHADER_NULL) {
+      continue;
+    }
+
+    assertNotNull(
+      SHADER_LIST_DEFS[i].shader, "Shader cannot be null"
+    );
+    assertNotNull(
+      SHADER_LIST_DEFS[i].definition, "Shader definition cannot be null"
+    );
+
+    errorChain(shaderInit(
+      SHADER_LIST_DEFS[i].shader, SHADER_LIST_DEFS[i].definition
+    ));
+    errorChain(shaderBind(SHADER_LIST_DEFS[i].shader));
+    errorChain(shaderSetMatrix(
+      SHADER_LIST_DEFS[i].shader, SHADER_UNLIT_PROJECTION, proj
+    ));
+    errorChain(shaderSetMatrix(
+      SHADER_LIST_DEFS[i].shader, SHADER_UNLIT_VIEW, view
+    ));
+    errorChain(shaderSetMatrix(
+      SHADER_LIST_DEFS[i].shader, SHADER_UNLIT_MODEL, model
+    ));
+    errorChain(shaderSetTexture(
+      SHADER_LIST_DEFS[i].shader, SHADER_UNLIT_TEXTURE, NULL
+    ));
+    errorChain(shaderSetColor(
+      SHADER_LIST_DEFS[i].shader, SHADER_UNLIT_COLOR, COLOR_WHITE
+    ));
+  }
+
+  errorOk();
+}
+
+errorret_t shaderListDispose(void) {
+  for(shaderlistshader_t i = 0; i < SHADER_LIST_SHADER_COUNT; i++) {
+    if(i == SHADER_LIST_SHADER_NULL) {
+      continue;
+    }
+
+    assertNotNull(
+      SHADER_LIST_DEFS[i].shader, "Shader cannot be null"
+    );
+
+    errorChain(shaderDispose(SHADER_LIST_DEFS[i].shader));
+  }
+  errorOk();
+}

src/dusk/display/shader/shaderlist.h

@@ -0,0 +1,40 @@
+/**
+ * Copyright (c) 2026 Dominic Masters
+ *
+ * This software is released under the MIT License.
+ * https://opensource.org/licenses/MIT
+ */
+
+#pragma once
+#include "display/shader/shader.h"
+#include "display/shader/shaderunlit.h"
+
+typedef enum {
+  SHADER_LIST_SHADER_NULL,
+
+  SHADER_LIST_SHADER_UNLIT,
+  
+  SHADER_LIST_SHADER_COUNT
+} shaderlistshader_t;
+
+typedef struct {
+  shader_t *shader;
+  shaderdefinition_t *definition;
+} shaderlistdef_t;
+
+extern shaderlistdef_t SHADER_LIST_DEFS[SHADER_LIST_SHADER_COUNT];
+
+/**
+ * Initializes all default shaders and uploads the initial view, projection,
+ * and model matrices to each.
+ *
+ * @return Error state.
+ */
+errorret_t shaderListInit();
+
+/**
+ * Disposes all default shaders.
+ *
+ * @return Error state.
+ */
+errorret_t shaderListDispose(void);

src/dusk/display/shader/shadermaterial.h

@@ -6,7 +6,7 @@
  */
 
 #pragma once
-#include "display/shader/shaderunlit.h"
+#include "display/shader/shaderlist.h"
 
 typedef union shadermaterial_u {
   shaderunlitmaterial_t unlit;