Asset refactor

archive/loader/CMakeLists.txt

@@ -10,6 +10,4 @@ target_sources(${DUSK_LIBRARY_TARGET_NAME}
     assettileset.c
     assetlanguage.c
     assetscript.c
-    assetmap.c
-    assetmapchunk.c
 )

assets/init.lua

@@ -75,4 +75,4 @@ else
   print("Unknown platform, no default input bindings set.")
 end
 
-sceneSet('scene/minesweeper.lua')
+sceneSet('scene/main_menu/main_menu.lua')

assets/scene/main_menu/main_menu.lua

@@ -0,0 +1,44 @@
+module('spritebatch')
+module('camera')
+module('color')
+module('ui')
+module('screen')
+module('time')
+module('text')
+module('tileset')
+module('texture')
+module('input')
+module('shader')
+module('locale')
+
+screenSetBackground(colorCornflowerBlue())
+camera = cameraCreate(CAMERA_PROJECTION_TYPE_ORTHOGRAPHIC)
+
+function sceneDispose()
+end
+
+function sceneUpdate()
+end
+
+function sceneRender()
+  -- Update camera
+  camera.top = screenGetHeight()
+  camera.right = screenGetWidth()
+
+  shaderBind(SHADER_UNLIT)
+  proj = cameraGetProjectionMatrix(camera)
+  shaderSetMatrix(SHADER_UNLIT, SHADER_UNLIT_PROJECTION, proj)
+  view = cameraGetViewMatrix(camera)
+  shaderSetMatrix(SHADER_UNLIT, SHADER_UNLIT_VIEW, view)
+
+  -- shaderSetTexture(SHADER_UNLIT, SHADER_UNLIT_TEXTURE, nil)
+  -- spriteBatchPush(
+  --   32, 32,
+  --   64, 64,
+  --   colorWhite()
+  -- )
+  -- spriteBatchFlush()
+
+  textDraw(10, 10, "Hello World\nHow are you?", colorRed())
+  spriteBatchFlush()
+end

assets/scene/minesweeper.lua

@@ -1,264 +0,0 @@
-module('spritebatch')
-module('camera')
-module('color')
-module('ui')
-module('screen')
-module('time')
-module('glm')
-module('text')
-module('tileset')
-module('texture')
-module('input')
-module('shader')
-
-CELL_STATE_DEFAULT = 0
-CELL_STATE_HOVER = 1
-CELL_STATE_DOWN = 2
-CELL_STATE_DISABLED = 3
-
-screenSetBackground(colorCornflowerBlue())
-camera = cameraCreate(CAMERA_PROJECTION_TYPE_ORTHOGRAPHIC)
-
--- tilesetUi = tilesetGetByName("ui")
--- textureUi = textureLoad(tilesetUi.texture)
-
--- tilesetBorder = tilesetGetByName("border")
--- textureBorder = textureLoad(tilesetBorder.texture)
-
--- textureGrid = textureLoad("minesweeper/grid_bg.dpi")
-
--- tilesetCell = tilesetGetByName("cell")
--- textureCell = textureLoad(tilesetCell.texture)
--- cellSliceDefault = tilesetPositionGetUV(tilesetCell, 3, 5)
--- cellSliceHover = tilesetPositionGetUV(tilesetCell, 3, 4)
--- cellSliceDown = tilesetPositionGetUV(tilesetCell, 3, 6)
--- cellSliceDisabled = tilesetPositionGetUV(tilesetCell, 3, 7)
-
--- sweepwerCols = 10
--- sweeperRows = 14
-
--- mouseX = -1
--- mouseY = -1
--- centerX = 0
--- centerY = 0
--- boardWidth = sweepwerCols * tilesetCell.tileWidth
--- boardHeight = sweeperRows * tilesetCell.tileHeight
-
--- i = 0
--- cells = {}
--- for y = 1, sweeperRows do
---   for x = 1, sweepwerCols do
---     cells[i] = CELL_STATE_DEFAULT
---     i = i + 1
---   end
--- end
-
-function cellDraw(x, y, type)
-  local slice = cellSliceDefault
-  if type == CELL_STATE_HOVER then
-    slice = cellSliceHover
-  elseif type == CELL_STATE_DOWN then
-    slice = cellSliceDown
-  elseif type == CELL_STATE_DISABLED then
-    slice = cellSliceDisabled
-  end
-
-  spriteBatchPush(
-    x, y,
-    x + tilesetCell.tileWidth, y + tilesetCell.tileHeight,
-    colorWhite(),
-    slice.u0, slice.v0,
-    slice.u1, slice.v1
-  )
-end
-
-function backgroundDraw()
-  local t = (TIME.time / 40) % 1
-  local scaleX = screenGetWidth() / textureGrid.width
-  local scaleY = screenGetHeight() / textureGrid.height
-  local u0 = t * scaleX
-  local v0 = t * scaleY
-  local u1 = scaleX + u0
-  local v1 = scaleY + v0
-
-  spriteBatchPush(textureGrid,
-    0, 0,
-    screenGetWidth(), screenGetHeight(),
-    colorWhite(),
-    u0, v0,
-    u1, v1
-  )
-end
-
-function borderDraw(x, y, innerWidth, innerHeight)
-  -- Top Left
-  local uv = tilesetPositionGetUV(tilesetBorder, 0, 0)
-  spriteBatchPush(textureBorder,
-    x - tilesetBorder.tileWidth, y  - tilesetBorder.tileWidth,
-    x, y,
-    colorWhite(),
-    uv.u0, uv.v0,
-    uv.u1, uv.v1
-  )
-
-  -- Top Right
-  uv = tilesetPositionGetUV(tilesetBorder, 10, 0)
-  spriteBatchPush(textureBorder,
-    x + innerWidth, y - tilesetBorder.tileHeight,
-    x + innerWidth + tilesetBorder.tileWidth, y,
-    colorWhite(),
-    uv.u0, uv.v0,
-    uv.u1, uv.v1
-  )
-
-  -- Bottom Left
-  uv = tilesetPositionGetUV(tilesetBorder, 0, 10)
-  spriteBatchPush(textureBorder,
-    x - tilesetBorder.tileWidth, y + innerHeight,
-    x, y + innerHeight + tilesetBorder.tileHeight,
-    colorWhite(),
-    uv.u0, uv.v0,
-    uv.u1, uv.v1
-  )
-
-  -- Bottom Right
-  uv = tilesetPositionGetUV(tilesetBorder, 10, 10)
-  spriteBatchPush(textureBorder,
-    x + innerWidth, y + innerHeight,
-    x + innerWidth + tilesetBorder.tileWidth, y + innerHeight + tilesetBorder.tileHeight,
-    colorWhite(),
-    uv.u0, uv.v0,
-    uv.u1, uv.v1
-  )
-
-  -- Top
-  uv = tilesetPositionGetUV(tilesetBorder, 1, 0)
-  spriteBatchPush(textureBorder,
-    x, y - tilesetBorder.tileHeight,
-    x + innerWidth, y,
-    colorWhite(),
-    uv.u0, uv.v0,
-    uv.u1, uv.v1
-  )
-
-  -- Bottom
-  uv = tilesetPositionGetUV(tilesetBorder, 1, 10)
-  spriteBatchPush(textureBorder,
-    x, y + innerHeight,
-    x + innerWidth, y + innerHeight + tilesetBorder.tileHeight,
-    colorWhite(),
-    uv.u0, uv.v0,
-    uv.u1, uv.v1
-  )
-
-  -- Left
-  uv = tilesetPositionGetUV(tilesetBorder, 0, 1)
-  spriteBatchPush(textureBorder,
-    x - tilesetBorder.tileWidth, y,
-    x, y + innerHeight,
-    colorWhite(),
-    uv.u0, uv.v0,
-    uv.u1, uv.v1
-  )
-
-  -- Right
-  uv = tilesetPositionGetUV(tilesetBorder, 10, 1)
-  spriteBatchPush(textureBorder,
-    x + innerWidth, y,
-    x + innerWidth + tilesetBorder.tileWidth, y + innerHeight,
-    colorWhite(),
-    uv.u0, uv.v0,
-    uv.u1, uv.v1
-  )
-end
-
-x = 0
-y = 0
-
-function sceneDispose()
-end
-
-function sceneUpdate()
-  x = x + inputAxis(INPUT_ACTION_LEFT, INPUT_ACTION_RIGHT)
-  y = y + inputAxis(INPUT_ACTION_UP, INPUT_ACTION_DOWN)
-end
-
-function sceneRender()
-  -- Update camera
-  camera.bottom = 0
-  camera.top = screenGetHeight()
-  camera.right = screenGetWidth()
-
-  shaderBind(SHADER_UNLIT)
-  proj = cameraGetProjectionMatrix(camera)
-  shaderSetMatrix(SHADER_UNLIT, SHADER_UNLIT_PROJECTION, proj)
-  view = cameraGetViewMatrix(camera)
-  shaderSetMatrix(SHADER_UNLIT, SHADER_UNLIT_VIEW, view)
-
-  shaderSetTexture(SHADER_UNLIT, SHADER_UNLIT_TEXTURE, nil)
-  spriteBatchPush(
-    x, y,
-    x + 32, y + 32,
-    colorWhite()
-  )
-  spriteBatchFlush()
-
-  textDraw(10, 10, "Hello World\nHow are you?", colorRed())
-  spriteBatchFlush()
-
-  -- Update mouse position
-  -- if INPUT_POINTER then
-  --   mouseX = inputGetValue(INPUT_ACTION_POINTERX) * screenGetWidth()
-  --   mouseY = inputGetValue(INPUT_ACTION_POINTERY) * screenGetHeight()
-
-  --   -- Draw cursor
-  --   spriteBatchPush(
-  --     nil,
-  --     mouseX - 2, mouseY - 2,
-  --     mouseX + 2, mouseY + 2,
-  --     colorRed(),
-  --     0, 0,
-  --     1, 1
-  --   )
-  -- end
-
-
-  -- textDraw(10, 10, "Hello World")
-  
-  -- centerX = math.floor(screenGetWidth() / 2)
-  -- centerY = math.floor(screenGetHeight() / 2)
-
-  -- Draw elements
-  -- backgroundDraw()
-  -- borderDraw(
-  --   centerX - (boardWidth / 2), centerY - (boardHeight / 2),
-  --   boardWidth, boardHeight
-  -- )
-
-  -- i = 0
-  -- -- Foreach cell
-  -- local offX = centerX - (boardWidth / 2)
-  -- local offY = centerY - (boardHeight / 2)
-  -- for y = 0, sweeperRows - 1 do
-  --   for x = 0, sweepwerCols - 1 do
-  --     i = y * sweepwerCols + x
-      
-  --     -- Hovered
-  --     if
-  --       cells[i] == CELL_STATE_DEFAULT and
-  --       mouseX >= x * tilesetCell.tileWidth + offX and mouseX < (x + 1) * tilesetCell.tileWidth + offX and
-  --       mouseY >= y * tilesetCell.tileHeight + offY and mouseY < (y + 1) * tilesetCell.tileHeight + offY
-  --     then
-  --       cells[i] = CELL_STATE_HOVER
-  --     else
-  --       cells[i] = CELL_STATE_DEFAULT
-  --     end
-      
-  --     cellDraw(
-  --       x * tilesetCell.tileWidth + offX,
-  --       y * tilesetCell.tileHeight + offY,
-  --       cells[i]
-  --     )
-  --   end
-  -- end
-end

assets/test.json

@@ -0,0 +1,19 @@
+{
+  "name": "Dominic",
+  "age": 31,
+  "likes": [
+    "thing1",
+    "thing2"
+  ],
+  "options": {
+    "someParam": true,
+    "someSubObject": {
+      "someSubSubParam": 52
+    },
+    "someArray": [
+      1,
+      2,
+      3
+    ]
+  }
+}

cmake/modules/Findstb.cmake

@@ -0,0 +1,31 @@
+# Copyright (c) 2026 Dominic Masters
+# 
+# This software is released under the MIT License.
+# https://opensource.org/licenses/MIT
+
+include(FetchContent)
+FetchContent_Declare(
+  stb
+  GIT_REPOSITORY https://github.com/nothings/stb.git
+)
+
+# Fetch stb if not already done
+FetchContent_MakeAvailable(stb)
+
+# Find the stb_image.h header
+set(STB_INCLUDE_DIR "${stb_SOURCE_DIR}")
+set(STB_IMAGE_HEADER "${stb_SOURCE_DIR}/stb_image.h")
+
+if(EXISTS "${STB_IMAGE_HEADER}")
+  add_library(stb_image INTERFACE)
+  target_include_directories(stb_image INTERFACE "${STB_INCLUDE_DIR}")
+  set(STB_IMAGE_FOUND TRUE)
+else()
+  set(STB_IMAGE_FOUND FALSE)
+endif()
+
+# Standard CMake variables
+set(STB_IMAGE_INCLUDE_DIRS "${STB_INCLUDE_DIR}")
+set(STB_IMAGE_LIBRARIES stb_image)
+
+mark_as_advanced(STB_IMAGE_INCLUDE_DIRS STB_IMAGE_LIBRARIES STB_IMAGE_FOUND)

cmake/modules/Findyyjson.cmake

@@ -0,0 +1,18 @@
+include(FetchContent)
+
+if(NOT TARGET yyjson)
+	FetchContent_Declare(
+		yyjson
+		GIT_REPOSITORY https://github.com/ibireme/yyjson.git
+		GIT_TAG        0.12.0
+	)
+	FetchContent_MakeAvailable(yyjson)
+endif()
+
+# Provide an imported target if not already available
+if(NOT TARGET yyjson::yyjson)
+	add_library(yyjson::yyjson ALIAS yyjson)
+endif()
+
+# Mark yyjson as found for find_package compatibility
+set(yyjson_FOUND TRUE)

src/CMakeLists.txt

@@ -4,7 +4,8 @@
 # https://opensource.org/licenses/MIT
 
 add_subdirectory(dusk)
-add_subdirectory(duskrpg)
+# add_subdirectory(duskrpg)
+add_subdirectory(dusktrivia)
 
 if(DUSK_TARGET_SYSTEM STREQUAL "linux" OR DUSK_TARGET_SYSTEM STREQUAL "knulli")
   add_subdirectory(dusklinux)

src/dusk/CMakeLists.txt

@@ -14,6 +14,24 @@ if(NOT libzip_FOUND)
   target_link_libraries(${DUSK_LIBRARY_TARGET_NAME} PUBLIC zip)
 endif()
 
+if(NOT stb_image_FOUND)
+  find_package(stb REQUIRED)
+  if(STB_IMAGE_FOUND)
+    target_link_libraries(${DUSK_LIBRARY_TARGET_NAME} PUBLIC stb_image)
+  else()
+    message(FATAL_ERROR "stb_image not found. Please ensure stb is correctly fetched.")
+  endif()
+endif()
+
+if(NOT yyjson_FOUND)
+  find_package(yyjson REQUIRED)
+  if(yyjson_FOUND)
+    target_link_libraries(${DUSK_LIBRARY_TARGET_NAME} PUBLIC yyjson::yyjson)
+  else()
+    message(FATAL_ERROR "yyjson not found. Please ensure yyjson is correctly fetched.")
+  endif()
+endif()
+
 if(NOT Lua_FOUND)
   find_package(Lua REQUIRED)
   if(Lua_FOUND AND NOT TARGET Lua::Lua)

src/dusk/asset/CMakeLists.txt

@@ -7,7 +7,8 @@
 target_sources(${DUSK_LIBRARY_TARGET_NAME}
   PUBLIC
     asset.c
+    assetfile.c
 )
 
 # Subdirs
-add_subdirectory(type)
+add_subdirectory(loader)

src/dusk/asset/asset.c

@@ -9,7 +9,6 @@
 #include "util/memory.h"
 #include "util/string.h"
 #include "assert/assert.h"
-#include "asset/assettype.h"
 #include "engine/engine.h"
 #include "util/string.h"
 
@@ -33,106 +32,38 @@ bool_t assetFileExists(const char_t *filename) {
   return true;
 }
 
-errorret_t assetLoad(const char_t *filename, void *output) {
+errorret_t assetLoad(
+  const char_t *filename,
+  assetfileloader_t loader,
+  void *params,
+  void *output
+) {
   assertStrLenMax(filename, FILENAME_MAX, "Filename too long.");
   assertNotNull(output, "Output pointer cannot be NULL.");
-
-  // Determine the asset type by reading the extension
-  const assettypedef_t *def = NULL;
-  for(uint_fast8_t i = 0; i < ASSET_TYPE_COUNT; i++) {
-    const assettypedef_t *cmp = &ASSET_TYPE_DEFINITIONS[i];
-    assertNotNull(cmp, "Asset type definition cannot be NULL.");
-    if(cmp->extension == NULL) continue;
-    if(!stringEndsWithCaseInsensitive(filename, cmp->extension)) continue;
-    def = cmp;
-    break;
-  }
-  if(def == NULL) {
-    errorThrow("Unknown asset type for file: %s", filename);
-  }
+  assertNotNull(loader, "Asset file loader cannot be NULL.");
+  
+  assetfile_t file = {
+    .filename = filename,
+    .params = params,
+    .output = output,
+    .zipFile = NULL,
+    .size = 0
+  };
 
   // Get file size of the asset.
-  zip_stat_t st;
-  zip_stat_init(&st);
-  if(!zip_stat(ASSET.zip, filename, 0, &st) == 0) {
+  zip_stat_init(&file.stat);
+  if(!zip_stat(ASSET.zip, filename, 0, &file.stat) == 0) {
     errorThrow("Failed to stat asset file: %s", filename);
   }
 
   // Minimum file size.
-  zip_int64_t fileSize = (zip_int64_t)st.size;
-  if(fileSize <= 0) {
+  file.size = (zip_int64_t)file.stat.size;
+  if(file.size <= 0) {
     errorThrow("Asset file is empty: %s", filename);
   }
 
-  // Try to open the file
-  zip_file_t *file = zip_fopen(ASSET.zip, filename, 0);
-  if(file == NULL) {
-    errorThrow("Failed to open asset file: %s", filename);
-  }
-
-  // Load the asset data
-  switch(def->loadStrategy) {
-    case ASSET_LOAD_STRAT_ENTIRE:
-      assertNotNull(def->entire, "Asset load function cannot be NULL.");
-
-      // Must have more to read
-      if(fileSize <= 0) {
-        zip_fclose(file);
-        errorThrow("No data remaining to read for asset: %s", filename);
-      }
-
-      if(fileSize > def->dataSize) {
-        zip_fclose(file);
-        errorThrow(
-          "Asset file has too much data remaining after header: %s",
-          filename
-        );
-      }
-
-      // Create space to read the entire asset data
-      void *data = memoryAllocate(fileSize);
-      if(!data) {
-        zip_fclose(file);
-        errorThrow(
-          "Failed to allocate memory for asset data of file: %s", filename
-        );
-      }
-
-      // Read in the asset data.
-      zip_int64_t bytesRead = zip_fread(file, data, fileSize);
-      if(bytesRead == 0 || bytesRead > fileSize) {
-        memoryFree(data);
-        zip_fclose(file);
-        errorThrow("Failed to read asset data for file: %s", filename);
-      }
-      fileSize -= bytesRead;
-      
-      // Close the file now we have the data
-      zip_fclose(file);
-
-      // Pass to the asset type loader
-      assetentire_t entire = {
-        .data = data,
-        .output = output
-      };
-      errorret_t ret = def->entire(entire);
-      memoryFree(data);
-
-      errorChain(ret);
-      break;
-
-    case ASSET_LOAD_STRAT_CUSTOM:
-      assertNotNull(def->custom, "Asset load function cannot be NULL.");
-      assetcustom_t customData = {
-        .zipFile = file,
-        .output = output
-      };
-      errorChain(def->custom(customData));
-      break;
-
-    default:
-      assertUnreachable("Unknown asset load strategy.");
-  }
+  errorChain(loader(&file));
+  assertNull(file.zipFile, "Asset file loader did not close the file.");
 
   errorOk();
 }

src/dusk/asset/asset.h

@@ -7,8 +7,8 @@
 
 #pragma once
 #include "error/error.h"
-#include "assettype.h"
 #include "asset/assetplatform.h"
+#include "assetfile.h"
 
 #ifndef assetInitPlatform
   #error "Platform must define assetInitPlatform function."
@@ -20,7 +20,7 @@
 #define ASSET_FILE_NAME "dusk.dsk"
 #define ASSET_HEADER_SIZE 3
 
-typedef struct {
+typedef struct asset_s {
   zip_t *zip;
   assetplatform_t platform;
 } asset_t;
@@ -41,13 +41,20 @@ errorret_t assetInit(void);
 bool_t assetFileExists(const char_t *filename);
 
 /**
- * Loads an asset by its filename, the output type depends on the asset type.
+ * Loads an asset by its filename,
  * 
  * @param filename The filename of the asset to retrieve.
+ * @param loader Loader to use for loading the asset file.
+ * @param params Parameters to pass to the loader.
  * @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(const char_t *filename, void *output);
+errorret_t assetLoad(
+  const char_t *filename,
+  assetfileloader_t loader,
+  void *params,
+  void *output
+);
 
 /**
  * Disposes/cleans up the asset system.

src/dusk/asset/assetfile.c

@@ -0,0 +1,53 @@
+/**
+ * Copyright (c) 2026 Dominic Masters
+ * 
+ * This software is released under the MIT License.
+ * https://opensource.org/licenses/MIT
+ */
+
+#include "asset/asset.h"
+#include "assert/assert.h"
+
+errorret_t assetFileOpen(assetfile_t *file) {
+  assertNotNull(file, "Asset file cannot be NULL.");
+  assertNotNull(file->filename, "Asset file filename cannot be NULL.");
+  assertNotNull(ASSET.zip, "Asset zip cannot be NULL.");
+  assertNull(file->zipFile, "Asset file already open.");
+
+  file->zipFile = zip_fopen(ASSET.zip, file->filename, 0);
+  if(file->zipFile == NULL) {
+    errorThrow("Failed to open asset file: %s", file->filename);
+  }
+  file->position = 0;
+  errorOk();
+}
+
+errorret_t assetFileRead(
+  assetfile_t *file,
+  void *buffer,
+  const size_t bufferSize
+) {
+  assertNotNull(file, "Asset file cannot be NULL.");
+  assertNotNull(file->zipFile, "Asset file must be opened before reading.");
+
+  // I assume zip_fread takes buffer NULL for skipping?
+  zip_int64_t bytesRead = zip_fread(file->zipFile, buffer, bufferSize);
+  if(bytesRead < 0) {
+    errorThrow("Failed to read from asset file: %s", file->filename);
+  }
+  file->position += bytesRead;
+  file->lastRead = bytesRead;
+  errorOk();
+}
+
+errorret_t assetFileClose(assetfile_t *file) {
+  assertNotNull(file, "Asset file cannot be NULL.");
+  assertNotNull(file->zipFile, "Asset file must be opened before closing.");
+
+  if(zip_fclose(file->zipFile) != 0) {
+    errorThrow("Failed to close asset file: %s", file->filename);
+  }
+  file->zipFile = NULL;
+  file->position = 0;
+  errorOk();
+}

src/dusk/asset/assetfile.h

@@ -0,0 +1,57 @@
+/**
+ * Copyright (c) 2026 Dominic Masters
+ * 
+ * This software is released under the MIT License.
+ * https://opensource.org/licenses/MIT
+ */
+
+#pragma once
+#include "error/error.h"
+#include <zip.h>
+
+typedef struct assetfile_s assetfile_t;
+
+typedef errorret_t (*assetfileloader_t)(assetfile_t *file);
+
+typedef struct assetfile_s {
+  const char_t *filename;
+  void *params;
+  void *output;
+
+  zip_stat_t stat;
+  zip_int64_t size;
+  zip_int64_t position;
+  zip_int64_t lastRead;
+  zip_file_t *zipFile;
+} assetfile_t;
+
+/**
+ * Opens the asset file for reading. After opening the loader is responsible
+ * for closing the file.
+ * 
+ * @param file The asset file to open.
+ * @return An error code if the file could not be opened.
+ */
+errorret_t assetFileOpen(assetfile_t *file);
+
+/**
+ * Read bytes from the asset file. Assumes the file has already been opened
+ * prior to trying to read anything.
+ * 
+ * @param file File to read from.
+ * @param buffer Buffer to read the file data into., or NULL to skip bytes.
+ * @param size Size of the buffer to read into.
+ */
+errorret_t assetFileRead(
+  assetfile_t *file,
+  void *buffer,
+  const size_t bufferSize
+);
+
+/**
+ * Closes the asset file and releases any resources associated with it.
+ * 
+ * @param file The asset file to close.
+ * @return An error code if the file could not be closed properly.
+ */
+errorret_t assetFileClose(assetfile_t *file);

src/dusk/asset/assettype.h

@@ -1,84 +0,0 @@
-/**
- * Copyright (c) 2025 Dominic Masters
- * 
- * This software is released under the MIT License.
- * https://opensource.org/licenses/MIT
- */
-
-#pragma once
-#include "type/assettexture.h"
-// #include "type/assetpalette.h"
-#include "type/assettileset.h"
-#include "type/assetlanguage.h"
-#include "type/assetscript.h"
-#include "type/assetmap.h"
-#include "type/assetmapchunk.h"
-#include <zip.h>
-
-typedef enum {
-  ASSET_TYPE_NULL,
-  
-  ASSET_TYPE_TEXTURE,
-  ASSET_TYPE_TILESET,
-  ASSET_TYPE_LANGUAGE,
-  ASSET_TYPE_SCRIPT,
-
-  ASSET_TYPE_COUNT,
-} assettype_t;
-
-typedef enum {
-  ASSET_LOAD_STRAT_ENTIRE,
-  ASSET_LOAD_STRAT_CUSTOM
-} assetloadstrat_t;
-
-typedef struct assetentire_s {
-  void *data;
-  void *output;
-} assetentire_t;
-
-typedef struct assetcustom_s {
-  zip_file_t *zipFile;
-  void *output;
-} assetcustom_t;
-
-typedef struct {
-  const char_t *extension;
-  const size_t dataSize;
-  const assetloadstrat_t loadStrategy;
-  union {
-    errorret_t (*entire)(assetentire_t entire);
-    errorret_t (*custom)(assetcustom_t custom);
-  };
-} assettypedef_t;
-
-static const assettypedef_t ASSET_TYPE_DEFINITIONS[ASSET_TYPE_COUNT] = {
-  [ASSET_TYPE_NULL] = {
-    0
-  },
-
-  [ASSET_TYPE_TEXTURE] = {
-    .extension = "DTX",
-    .loadStrategy = ASSET_LOAD_STRAT_ENTIRE,
-    .dataSize = sizeof(assettexture_t),
-    .entire = assetTextureLoad
-  },
-
-  [ASSET_TYPE_TILESET] = {
-    .extension = "DTF",
-    .loadStrategy = ASSET_LOAD_STRAT_ENTIRE,
-    .dataSize = sizeof(assettileset_t),
-    .entire = assetTilesetLoad
-  },
-
-  [ASSET_TYPE_LANGUAGE] = {
-    .extension = "DLF",
-    .loadStrategy = ASSET_LOAD_STRAT_CUSTOM,
-    .custom = assetLanguageHandler
-  },
-
-  [ASSET_TYPE_SCRIPT] = {
-    .extension = "lua",
-    .loadStrategy = ASSET_LOAD_STRAT_CUSTOM,
-    .custom = assetScriptHandler
-  },
-};

src/dusk/asset/loader/CMakeLists.txt

@@ -0,0 +1,12 @@
+# Copyright (c) 2026 Dominic Masters
+# 
+# This software is released under the MIT License.
+# https://opensource.org/licenses/MIT
+
+# Sources
+
+# Subdirs
+add_subdirectory(display)
+add_subdirectory(locale)
+add_subdirectory(script)
+add_subdirectory(json)

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

@@ -0,0 +1,11 @@
+# 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
+    assettextureloader.c
+    assettilesetloader.c
+)

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

@@ -0,0 +1,115 @@
+/**
+ * Copyright (c) 2026 Dominic Masters
+ * 
+ * This software is released under the MIT License.
+ * https://opensource.org/licenses/MIT
+ */
+
+#include "assettextureloader.h"
+#include "assert/assert.h"
+#define STB_IMAGE_IMPLEMENTATION
+#include "stb_image.h"
+#include "log/log.h"
+#include "util/endian.h"
+
+stbi_io_callbacks ASSET_TEXTURE_STB_CALLBACKS = {
+  .read = assetTextureReader,
+  .skip = assetTextureSkipper,
+  .eof = assetTextureEOF
+};
+
+int assetTextureReader(void *user, char *data, int size) {
+  assertNotNull(data, "Data buffer for stb_image callbacks cannot be NULL.");
+
+  assetfile_t *file = (assetfile_t*)user;
+  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) {
+    errorCatch(errorPrint(ret));
+    return -1;
+  }
+
+  return file->lastRead;
+}
+
+void assetTextureSkipper(void *user, int n) {
+  assetfile_t *file = (assetfile_t*)user;
+  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) {
+    errorCatch(errorPrint(ret));
+  }
+}
+
+int assetTextureEOF(void *user) {
+  assetfile_t *file = (assetfile_t*)user;
+  assertNotNull(file, "Asset file in stb_image callbacks cannot be NULL.");
+
+  return file->position >= file->size;
+}
+
+errorret_t assetTextureLoader(assetfile_t *file) {
+  assertNotNull(file, "Asset file 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;
+  assertNotNull(p, "Asset texture loader parameters cannot be NULL.");
+
+  int channelsDesired;
+  switch(p->format) {
+    case TEXTURE_FORMAT_RGBA:
+      channelsDesired = 4;
+      break;
+
+    default:
+      errorThrow("Bad texture format.");
+  }
+
+  int width, height, channels;
+  errorChain(assetFileOpen(file));
+  uint8_t *data = stbi_load_from_callbacks(
+    &ASSET_TEXTURE_STB_CALLBACKS,
+    file,
+    &width,
+    &height,
+    &channels,
+    channelsDesired
+  );
+  errorChain(assetFileClose(file));
+
+  if(data == NULL) {
+    const char_t *errorStr = stbi_failure_reason();
+    errorThrow("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);
+  }
+
+  errorChain(textureInit(
+    (texture_t*)file->output,
+    (int32_t)width, (int32_t)height,
+    p->format,
+    (texturedata_t){
+      .rgbaColors = (color_t*)data
+    }
+  ));
+
+  stbi_image_free(data);
+  errorOk();
+}
+
+errorret_t assetTextureLoad(
+  const char_t *path,
+  texture_t *out,
+  const textureformat_t format
+) {
+  assettextureloaderparams_t params = {
+    .format = format
+  };
+  return assetLoad(path, assetTextureLoader, &params, out);
+}

src/dusk/asset/loader/display/assettextureloader.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 "asset/asset.h"
+#include "display/texture/texture.h"
+
+typedef struct {
+  textureformat_t format;
+} assettextureloaderparams_t;
+
+/**
+ * STB image read callback for asset files.
+ * 
+ * @param user User data passed to the callback, should be an assetfile_t*.
+ * @param data Buffer to read the file data into.
+ * @param size Size of the buffer to read into.
+ * @return Number of bytes read, or -1 on error.
+ */
+int assetTextureReader(void *user, char *data, int size);
+
+void assetTextureSkipper(void *user, int n);
+
+int assetTextureEOF(void *user);
+
+/**
+ * Handler for texture assets.
+ * 
+ * @param file Asset file to load the texture from.
+ * @return Any error that occurs during loading.
+ */
+errorret_t assetTextureLoader(assetfile_t *file);
+
+/**
+ * Loads a texture from the specified path.
+ * 
+ * @param path Path to the texture asset.
+ * @param out Output texture to load into.
+ * @param format Format of the texture to load.
+ * @return Any error that occurs during loading.
+ */
+errorret_t assetTextureLoad(
+  const char_t *path,
+  texture_t *out,
+  const textureformat_t format
+);

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

@@ -0,0 +1,80 @@
+/**
+ * Copyright (c) 2026 Dominic Masters
+ * 
+ * This software is released under the MIT License.
+ * https://opensource.org/licenses/MIT
+ */
+
+#include "assettilesetloader.h"
+#include "assert/assert.h"
+#include "util/memory.h"
+#include "util/endian.h"
+
+errorret_t assetTilesetLoader(assetfile_t *file) {
+  assertNotNull(file, "Asset file pointer for tileset loader is null.");
+
+  tileset_t *out = (tileset_t *)file->output;
+  assertNotNull(out, "Output pointer for tileset loader is null.");
+
+  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) {
+    errorThrow("Unsupported tileset version");
+  }
+
+  // Fix endianness
+
+  out->tileWidth = endianLittleToHost16(*(uint16_t *)(entire + 4));
+  out->tileHeight = endianLittleToHost16(*(uint16_t *)(entire + 6));
+  out->columns = endianLittleToHost16(*(uint16_t *)(entire + 8));
+  out->rows = endianLittleToHost16(*(uint16_t *)(entire + 10));
+  // out->right = endianLittleToHost16(*(uint16_t *)(entire + 12));
+  // out->bottom = endianLittleToHost16(*(uint16_t *)(entire + 14));
+
+  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);
+
+  errorOk();
+}
+
+errorret_t assetTilesetLoad(
+  const char_t *path,
+  tileset_t *out
+) {
+  return assetLoad(path, assetTilesetLoader, NULL, out);
+}

src/dusk/asset/loader/display/assettilesetloader.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 "asset/asset.h"
+#include "display/texture/tileset.h"
+
+/**
+ * Handler for tileset assets.
+ * 
+ * @param file Asset file to load the tileset from.
+ * @return Any error that occurs during loading.
+ */
+errorret_t assetTilesetLoader(assetfile_t *file);
+
+/**
+ * Loads a tileset from the specified path.
+ * 
+ * @param path Path to the tileset asset.
+ * @param out Output tileset to load into.
+ * @return Any error that occurs during loading.
+ */
+errorret_t assetTilesetLoad(
+  const char_t *path,
+  tileset_t *out
+);

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

@@ -0,0 +1,10 @@
+# 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
+    assetjsonloader.c
+)

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

@@ -0,0 +1,53 @@
+/**
+ * Copyright (c) 2026 Dominic Masters
+ * 
+ * This software is released under the MIT License.
+ * https://opensource.org/licenses/MIT
+ */
+
+#include "assetjsonloader.h"
+#include "util/memory.h"
+#include "assert/assert.h"
+
+errorret_t assetJsonLoadFileToDoc(assetfile_t *file, yyjson_doc **outDoc) {
+  assertNotNull(file, "Asset file pointer for JSON loader is null.");
+  assertNotNull(outDoc, "Output pointer for JSON loader is null.");
+
+  if(file->size > ASSET_JSON_FILE_SIZE_MAX) {
+    errorThrow("JSON exceeds maximum allowed size");
+  }
+
+  // Create buffer
+  uint8_t *buffer = memoryAllocate(file->size);
+
+  errorChain(assetFileOpen(file));
+
+  // Read entire file
+  errorChain(assetFileRead(file, buffer, file->size));
+  assertTrue(file->lastRead == file->size, "Failed to read entire JSON file.");
+
+  errorChain(assetFileClose(file));
+
+  *outDoc = yyjson_read(
+    buffer,
+    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) {
+  yyjson_doc **outDoc = (yyjson_doc **)file->output;
+  assertNotNull(outDoc, "Output pointer for JSON loader is null.");
+  return assetJsonLoadFileToDoc(file, outDoc);
+}
+
+errorret_t assetJsonLoad(
+  const char_t *path,
+  yyjson_doc **outDoc
+) {
+  return assetLoad(path, assetJsonLoader, NULL, outDoc);
+}

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

@@ -0,0 +1,45 @@
+/**
+ * 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 "yyjson.h"
+
+#define ASSET_JSON_FILE_SIZE_MAX 1024*256
+
+typedef struct {
+  void *nothing;
+} assetjsonloaderparams_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);
+
+/**
+ * Handler for locale assets.
+ * 
+ * @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/CMakeLists.txt

@@ -0,0 +1,10 @@
+# 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
+    assetlocaleloader.c
+)

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

@@ -0,0 +1,19 @@
+/**
+ * Copyright (c) 2026 Dominic Masters
+ * 
+ * This software is released under the MIT License.
+ * https://opensource.org/licenses/MIT
+ */
+
+#include "assetlocaleloader.h"
+
+errorret_t assetLocaleLoader(assetfile_t *file) {
+  errorThrow("Locale asset loading is not yet implemented.");
+}
+
+errorret_t assetLocaleLoad(
+  const char_t *path,
+  void *nothing
+) {
+  errorThrow("Locale asset loading is not yet implemented.");
+}

src/dusk/asset/loader/locale/assetlocaleloader.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 "asset/asset.h"
+#include "locale/localemanager.h"
+
+typedef struct {
+  void *nothing;
+} assetlocaleloaderparams_t;
+
+/**
+ * Handler for locale assets.
+ * 
+ * @param file Asset file to load the locale from.
+ * @return Any error that occurs during loading.
+ */
+errorret_t assetLocaleLoader(assetfile_t *file);
+
+/**
+ * Loads a locale from the specified path.
+ * 
+ * @param path Path to the locale asset.
+ * @param nothing Nothing yet.
+ * @return Any error that occurs during loading.
+ */
+errorret_t assetLocaleLoad(
+  const char_t *path,
+  void *nothing
+);

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

@@ -0,0 +1,10 @@
+# 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

@@ -0,0 +1,82 @@
+/**
+ * Copyright (c) 2026 Dominic Masters
+ * 
+ * This software is released under the MIT License.
+ * https://opensource.org/licenses/MIT
+ */
+
+#include "assetscriptloader.h"
+#include "assert/assert.h"
+
+errorret_t assetScriptLoader(assetfile_t *file) {
+  assertNotNull(file, "Asset file 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;
+
+  // 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
+  if(lua_pcall(script->ctx->luaState, 0, LUA_MULTRET, 0) != LUA_OK) {
+    const char_t *strErr = lua_tostring(script->ctx->luaState, -1);
+    lua_pop(script->ctx->luaState, 1);
+    errorThrow("Failed to execute Lua script: %s", strErr);
+  }
+
+  // Close the file
+  return assetFileClose(file);
+}
+
+errorret_t assetScriptLoad(const char_t *path, scriptcontext_t *ctx) {
+  assertNotNull(path, "Script path cannot be NULL");
+  assertNotNull(ctx, "Script context cannot be NULL");
+  
+  assetscript_t script;
+  script.ctx = ctx;
+
+  return assetLoad(
+    path,
+    assetScriptLoader,
+    NULL,
+    &script
+  );
+}
+
+const char_t * assetScriptReader(lua_State* L, void* data, size_t* size) {
+  assetfile_t *file = (assetfile_t*)data;
+  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;
+  assertNotNull(script, "Script asset output cannot be NULL");
+
+  zip_int64_t read = zip_fread(
+    file->zipFile,
+    script->buffer,
+    sizeof(script->buffer)
+  );
+
+  if(read < 0) {
+    *size = 0;
+    return NULL;
+  }
+
+  *size = (size_t)read;
+  return script->buffer;
+}

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

@@ -0,0 +1,48 @@
+/**
+ * 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 "script/scriptcontext.h"
+
+#define ASSET_SCRIPT_BUFFER_SIZE 1024
+
+typedef struct {
+  void *nothing;
+} assetscriptloaderparams_t;
+
+typedef struct {
+  scriptcontext_t *ctx;
+  char_t buffer[ASSET_SCRIPT_BUFFER_SIZE];
+} 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/asset/type/assetmap.c

@@ -1,15 +0,0 @@
-/**
- * Copyright (c) 2025 Dominic Masters
- * 
- * This software is released under the MIT License.
- * https://opensource.org/licenses/MIT
- */
-
-#include "asset/asset.h"
-#include "assert/assert.h"
-#include "util/memory.h"
-
-errorret_t assetMapHandler(assetcustom_t custom) {
-  printf("Map Loaded from asset!\n");
-  errorOk();
-}

src/dusk/asset/type/assetmap.h

@@ -1,20 +0,0 @@
-/**
- * Copyright (c) 2025 Dominic Masters
- * 
- * This software is released under the MIT License.
- * https://opensource.org/licenses/MIT
- */
-
-#pragma once
-#include "error/error.h"
-
-typedef struct assetcustom_s assetcustom_t;
-
-/**
- * Loads a map asset from the given data pointer into the output map structure.
- *
- * @param data Pointer to the raw assetmap_t data.
- * @param output Pointer to the map_t to load the map into.
- * @return An error code.
- */
-errorret_t assetMapHandler(assetcustom_t custom);

src/dusk/asset/type/assetmapchunk.c

@@ -1,185 +0,0 @@
-/**
- * Copyright (c) 2025 Dominic Masters
- * 
- * This software is released under the MIT License.
- * https://opensource.org/licenses/MIT
- */
-
-#include "asset/asset.h"
-#include "assert/assert.h"
-#include "map/mapchunk.h"
-#include "util/endian.h"
-
-#pragma pack(push, 1)
-typedef struct {
-  uint32_t tileCount;
-  uint8_t modelCount;
-  uint8_t entityCount;
-} assetchunkheader_t;
-#pragma pack(pop)
-
-#pragma pack(push, 1)
-typedef struct {
-  maptile_t tile;
-} assetchunktiledata_t;
-#pragma pack(pop)
-
-#pragma pack(push, 1)
-typedef struct {
-  uint32_t vertexCount;
-} assetchunkmodelheader_t;
-#pragma pack(pop)
-
-#pragma pack(push, 1)
-typedef struct {
-  uint8_t entityType;
-  uint8_t localX;
-  uint8_t localY;
-  uint8_t localZ;
-} assetchunkentityheader_t;
-#pragma pack(pop)
-
-errorret_t assetMapChunkHandler(assetcustom_t custom) {
-  assertNotNull(custom.output, "Output pointer cannot be NULL");
-  assertNotNull(custom.zipFile, "Zip file pointer cannot be NULL");
-
-  mapchunk_t *chunk = (mapchunk_t *)custom.output;
-  assertTrue(chunk->meshCount == 0, "Chunk is not in a good state");
-
-  // Read header
-  assetchunkheader_t header;
-  size_t bytesRead = zip_fread(
-    custom.zipFile, &header, sizeof(assetchunkheader_t)
-  );
-  if(bytesRead != sizeof(assetchunkheader_t)) {
-    zip_fclose(custom.zipFile);
-    errorThrow("Failed to read chunk asset header.");
-  }
-
-  // Fix endianess if necessary
-  header.tileCount = endianLittleToHost32(header.tileCount);
-
-  if(header.tileCount != CHUNK_TILE_COUNT) {
-    zip_fclose(custom.zipFile);
-    errorThrow(
-      "Chunk asset has invalid tile count: %d (expected %d).",
-      header.tileCount,
-      CHUNK_TILE_COUNT
-    );
-  }
-
-  if(header.modelCount > CHUNK_MESH_COUNT_MAX) {
-    zip_fclose(custom.zipFile);
-    errorThrow(
-      "Chunk asset has too many models: %d (max %d).",
-      header.modelCount,
-      CHUNK_MESH_COUNT_MAX
-    );
-  }
-
-  if(header.entityCount > CHUNK_ENTITY_COUNT_MAX) {
-    zip_fclose(custom.zipFile);
-    errorThrow(
-      "Chunk asset has too many entities: %d (max %d).",
-      header.entityCount,
-      CHUNK_ENTITY_COUNT_MAX
-    );
-  }
-
-  chunk->meshCount = header.modelCount;
-
-  // Read tile data
-  bytesRead = zip_fread(
-    custom.zipFile,
-    chunk->tiles,
-    sizeof(assetchunktiledata_t) * header.tileCount
-  );
-  if(bytesRead != sizeof(assetchunktiledata_t) * header.tileCount) {
-    zip_fclose(custom.zipFile);
-    errorThrow("Failed to read chunk tile data.");
-  }
-
-  // For each model...
-  uint32_t vertexIndex = 0;
-  for(uint8_t i = 0; i < header.modelCount; i++) {
-    assetchunkmodelheader_t modelHeader;
-    bytesRead = zip_fread(
-      custom.zipFile, &modelHeader, sizeof(assetchunkmodelheader_t)
-    );
-    if(bytesRead != sizeof(assetchunkmodelheader_t)) {
-      zip_fclose(custom.zipFile);
-      errorThrow("Failed to read chunk model header.");
-    }
-
-    // Fix endianess if necessary
-    modelHeader.vertexCount = endianLittleToHost32(modelHeader.vertexCount);
-
-    if(
-      vertexIndex + modelHeader.vertexCount >
-      CHUNK_VERTEX_COUNT_MAX
-    ) {
-      zip_fclose(custom.zipFile);
-      errorThrow("Chunk model vertex count exceeds maximum.");
-    }
-    
-    // Read vertex data.
-    bytesRead = zip_fread(
-      custom.zipFile,
-      &chunk->vertices[vertexIndex],
-      sizeof(meshvertex_t) * modelHeader.vertexCount
-    );
-    if(bytesRead != sizeof(meshvertex_t) * modelHeader.vertexCount) {
-      zip_fclose(custom.zipFile);
-      errorThrow("Failed to read chunk model vertex data.");
-    }
-
-    // Init the mesh
-    if(modelHeader.vertexCount > 0) {
-      mesh_t *mesh = &chunk->meshes[i];
-      meshInit(
-        mesh,
-        MESH_PRIMITIVE_TYPE_TRIANGLES,
-        modelHeader.vertexCount,
-        &chunk->vertices[vertexIndex]
-      );
-
-      vertexIndex += modelHeader.vertexCount;
-    } else {
-      // chunk->meshes[i].vertexCount = 0;
-    }
-  }
-
-  // Read entity data
-  // for(uint8_t i = 0; i < header.entityCount; i++) {
-  //   assetchunkentityheader_t entityHeader;
-  //   bytesRead = zip_fread(
-  //     custom.zipFile, &entityHeader, sizeof(assetchunkentityheader_t)
-  //   );
-  //   if(bytesRead != sizeof(assetchunkentityheader_t)) {
-  //     zip_fclose(custom.zipFile);
-  //     errorThrow("Failed to read chunk entity header.");
-  //   }
-
-  //   uint8_t entityIndex = entityGetAvailable();
-  //   if(entityIndex == 0xFF) {
-  //     zip_fclose(custom.zipFile);
-  //     errorThrow("No available entity slots.");
-  //   }
-
-  //   entity_t *entity = &ENTITIES[entityIndex];
-  //   entityInit(entity, (entitytype_t)entityHeader.entityType);
-  //   entity->position.x = (
-  //     (chunk->position.x * CHUNK_WIDTH) + entityHeader.localX
-  //   );
-  //   entity->position.y = (
-  //     (chunk->position.y * CHUNK_HEIGHT) + entityHeader.localY
-  //   );
-  //   entity->position.z = (
-  //     (chunk->position.z * CHUNK_DEPTH) + entityHeader.localZ
-  //   );
-
-  //   chunk->entities[i] = entityIndex;
-  // }
-
-  errorOk();
-}

src/dusk/asset/type/assetmapchunk.h

@@ -1,19 +0,0 @@
-/**
- * Copyright (c) 2025 Dominic Masters
- * 
- * This software is released under the MIT License.
- * https://opensource.org/licenses/MIT
- */
-
-#pragma once
-#include "error/error.h"
-
-typedef struct assetcustom_s assetcustom_t;
-
-/**
- * Handles loading of map chunk data from a map chunk asset file.
- * 
- * @param custom The custom asset loading parameters.
- * @return An error code.
- */
-errorret_t assetMapChunkHandler(assetcustom_t custom);

src/dusk/display/camera/camera.c

@@ -35,8 +35,8 @@ void cameraInitOrthographic(camera_t *camera) {
   camera->projType = CAMERA_PROJECTION_TYPE_ORTHOGRAPHIC;
   camera->orthographic.left = 0.0f;
   camera->orthographic.right = SCREEN.width;
-  camera->orthographic.top = 0.0f;
-  camera->orthographic.bottom = SCREEN.height;
+  camera->orthographic.top = SCREEN.height;
+  camera->orthographic.bottom = 0.0f;
   camera->nearClip = 0.1f;
   camera->farClip = 1.0f;
 

src/dusk/display/text/text.c

@@ -9,16 +9,18 @@
 #include "assert/assert.h"
 #include "util/memory.h"
 #include "display/spritebatch/spritebatch.h"
-#include "asset/asset.h"
-
+#include "asset/loader/display/assettextureloader.h"
+#include "asset/loader/display/assettilesetloader.h"
 #include "display/shader/shaderunlit.h"
 
 texture_t DEFAULT_FONT_TEXTURE;
 tileset_t DEFAULT_FONT_TILESET;
 
 errorret_t textInit(void) {
-  errorChain(assetLoad("ui/minogram.dtx", &DEFAULT_FONT_TEXTURE));
-  errorChain(assetLoad("ui/minogram.dtf", &DEFAULT_FONT_TILESET));
+  errorChain(assetTextureLoad(
+    "ui/minogram.png", &DEFAULT_FONT_TEXTURE, TEXTURE_FORMAT_RGBA
+  ));
+  errorChain(assetTilesetLoad("ui/minogram.dtf", &DEFAULT_FONT_TILESET));
   errorOk();
 }
 
@@ -75,6 +77,15 @@ errorret_t textDraw(
 
   errorChain(shaderSetTexture(&SHADER_UNLIT, SHADER_UNLIT_TEXTURE, texture));
 
+  // errorChain(spriteBatchPush(
+  //   // texture,
+  //   posX, posY,
+  //   posX + texture->width * 1, posY + texture->height * 1,
+  //   color,
+  //   0.0f, 0.0f, 1.0f, 1.0f
+  // ));
+  // errorOk();
+
   char_t c;
   int32_t i = 0;
   while((c = text[i++]) != '\0') {

src/dusk/engine/engine.c

@@ -14,10 +14,11 @@
 #include "scene/scene.h"
 #include "asset/asset.h"
 #include "ui/ui.h"
-#include "map/map.h"
 #include "script/scriptmanager.h"
-#include "item/backpack.h"
 #include "assert/assert.h"
+#include "game/game.h"
+
+#include "asset/loader/json/assetjsonloader.h"
 
 engine_t ENGINE;
 
@@ -35,9 +36,22 @@ errorret_t engineInit(const int32_t argc, const char_t **argv) {
   errorChain(scriptManagerInit());
   errorChain(displayInit());
   errorChain(uiInit());
-  errorChain(mapInit());
   errorChain(sceneInit());
-  backpackInit();
+  errorChain(gameInit());
+
+  // JSON test.
+  yyjson_doc *doc;
+  assetJsonLoad("test.json", &doc);
+  
+  yyjson_val *root = yyjson_doc_get_root(doc);
+  assertTrue(root, "JSON root is null.");
+  
+  yyjson_val *name = yyjson_obj_get(root, "name");
+  assertTrue(name && yyjson_is_str(name), "JSON 'name' field is missing or not a string.");
+  const char *nameStr = yyjson_get_str(name);
+  printf("Name: %s\n", nameStr);
+
+  yyjson_doc_free(doc);
   
   // Run the initial script.
   scriptcontext_t ctx;
@@ -54,7 +68,7 @@ errorret_t engineUpdate(void) {
 
   uiUpdate();
   errorChain(sceneUpdate());
-  mapUpdate();
+  errorChain(gameUpdate());
   errorChain(displayUpdate());
 
   if(inputPressed(INPUT_ACTION_RAGEQUIT)) ENGINE.running = false;
@@ -68,7 +82,7 @@ void engineExit(void) {
 
 errorret_t engineDispose(void) {
   sceneDispose();
-  mapDispose();
+  errorChain(gameDispose());
   localeManagerDispose();
   uiDispose();
   errorChain(displayDispose());

src/dusk/locale/localemanager.c

@@ -7,8 +7,6 @@
 
 #include "localemanager.h"
 #include "util/memory.h"
-#include "asset/asset.h"
-#include "assert/assert.h"
 
 localemanager_t LOCALE;
 
@@ -34,5 +32,4 @@ errorret_t localeManagerSetLocale(const dusklocale_t locale) {
 }
 
 void localeManagerDispose() {
-  assetLanguageDispose(&LOCALE.language);
 }

src/dusk/locale/localemanager.h

@@ -6,13 +6,13 @@
  */
 
 #pragma once
-#include "asset/asset.h"
+#include "error/error.h"
 #include "localemanager.h"
 #include "locale/locale.h"
 
 typedef struct {
   dusklocale_t locale;
-  assetlanguage_t language;
+  // assetlanguage_t language;
 } localemanager_t;
 
 extern localemanager_t LOCALE;

src/dusk/script/module/display/moduletexture.c

@@ -6,9 +6,9 @@
  */
 
 #include "moduletexture.h"
-#include "asset/asset.h"
-#include "display/texture/texture.h"
 #include "assert/assert.h"
+#include "display/texture/texture.h"
+#include "asset/loader/display/assettextureloader.h"
 #include "util/memory.h"
 #include "util/string.h"
 
@@ -83,6 +83,11 @@ int moduleTextureLoad(lua_State *l) {
     luaL_error(l, "First argument must be a string filename.");
     return 0;
   }
+
+  if(!lua_isnumber(l, 2)) {
+    luaL_error(l, "Second argument must be a number format.");
+    return 0;
+  }
   
   const char_t *filename = lua_tostring(l, 1);
   assertNotNull(filename, "Filename cannot be NULL.");
@@ -92,7 +97,9 @@ int moduleTextureLoad(lua_State *l) {
   texture_t *tex = (texture_t *)lua_newuserdata(l, sizeof(texture_t));
   memoryZero(tex, sizeof(texture_t));
 
-  errorret_t ret = assetLoad(filename, tex);
+  textureformat_t format = (textureformat_t)lua_tonumber(l, 2);
+
+  errorret_t ret = assetTextureLoad(filename, tex, format);
   if(ret.code != ERROR_OK) {
     errorCatch(errorPrint(ret));
     luaL_error(l, "Failed to load texture asset: %s", filename);

src/dusk/script/scriptcontext.c

@@ -11,6 +11,7 @@
 #include "util/memory.h"
 #include "script/scriptmodule.h"
 #include "event/event.h"
+#include "asset/loader/script/assetscriptloader.h"
 
 errorret_t scriptContextInit(scriptcontext_t *context) {
   assertNotNull(context, "Script context cannot be NULL");
@@ -53,26 +54,7 @@ errorret_t scriptContextExec(scriptcontext_t *context, const char_t *script) {
 errorret_t scriptContextExecFile(scriptcontext_t *ctx, const char_t *fname) {
   assertNotNull(ctx, "Script context cannot be NULL");
   assertNotNull(fname, "Filename cannot be NULL");
-  
-  assetscript_t script;
-  errorChain(assetLoad(fname, &script));
-
-  if(lua_load(
-    ctx->luaState, assetScriptReader, &script, fname, NULL
-  ) != LUA_OK) {
-    const char_t *strErr = lua_tostring(ctx->luaState, -1);
-    lua_pop(ctx->luaState, 1);
-    errorThrow("Failed to load Lua script: %s", strErr);
-  }
-
-  if(lua_pcall(ctx->luaState, 0, LUA_MULTRET, 0) != LUA_OK) {
-    const char_t *strErr = lua_tostring(ctx->luaState, -1);
-    lua_pop(ctx->luaState, 1);
-    errorThrow("Failed to execute Lua script: %s", strErr);
-  }
-
-  errorChain(assetScriptDispose(&script));
-  errorOk();
+  return assetScriptLoad(fname, ctx);
 }
 
 void scriptContextDispose(scriptcontext_t *context) {

src/dusktrivia/CMakeLists.txt

@@ -0,0 +1,14 @@
+# Copyright (c) 2026 Dominic Masters
+#
+# This software is released under the MIT License.
+# https://opensource.org/licenses/MIT
+
+# Includes
+target_include_directories(${DUSK_LIBRARY_TARGET_NAME}
+  PUBLIC
+    ${CMAKE_CURRENT_LIST_DIR}
+)
+
+# Subdirs
+add_subdirectory(game)
+add_subdirectory(script)

src/dusktrivia/game/CMakeLists.txt

@@ -0,0 +1,10 @@
+# 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
+    game.c
+)

src/dusktrivia/game/game.c

@@ -0,0 +1,20 @@
+/**
+ * Copyright (c) 2026 Dominic Masters
+ * 
+ * This software is released under the MIT License.
+ * https://opensource.org/licenses/MIT
+ */
+
+#include "game.h"
+
+errorret_t gameInit(void) {
+  errorOk();
+}
+
+errorret_t gameUpdate(void) {
+  errorOk();
+}
+
+errorret_t gameDispose(void) {
+  errorOk();
+}

src/dusktrivia/game/game.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 "error/error.h"
+
+/**
+ * Initializes the game.
+ * 
+ * @return An error code indicating success or failure.
+ */
+errorret_t gameInit(void);
+
+/**
+ * Updates the game state. Should be called every frame.
+ * 
+ * @return An error code indicating success or failure.
+ */
+errorret_t gameUpdate(void);
+
+/**
+ * Disposes of game resources. Should be called when the game is shutting down.
+ * 
+ * @return An error code indicating success or failure.
+ */
+errorret_t gameDispose(void);

src/dusktrivia/script/CMakeLists.txt

@@ -0,0 +1,7 @@
+# Copyright (c) 2026 Dominic Masters
+# 
+# This software is released under the MIT License.
+# https://opensource.org/licenses/MIT
+
+# Subdirs
+add_subdirectory(module)

src/dusktrivia/script/module/CMakeLists.txt

@@ -0,0 +1,6 @@
+# Copyright (c) 2026 Dominic Masters
+# 
+# This software is released under the MIT License.
+# https://opensource.org/licenses/MIT
+
+# Subdirectories

src/dusktrivia/script/scriptgame.h

@@ -0,0 +1,8 @@
+/**
+ * Copyright (c) 2026 Dominic Masters
+ * 
+ * This software is released under the MIT License.
+ * https://opensource.org/licenses/MIT
+ */
+
+#pragma once