Frame

assets/minesweeper/CMakeLists.txt

@@ -5,6 +5,7 @@
 
 set(DUSK_GAME_ASSETS_DIR "${CMAKE_CURRENT_SOURCE_DIR}" CACHE INTERNAL ${DUSK_CACHE_TARGET})
 
-add_subdirectory(palette)# Palette asset needs to be added before any images.
+# Palette asset needs to be added before any images.
+add_subdirectory(palette)
 add_subdirectory(config)
 add_subdirectory(ui)

assets/minesweeper/config/init.dcf

@@ -14,4 +14,6 @@ bind enter accept;
 bind q cancel;
 bind esc quit;
 
-fps 1;
+fps 1;
+
+scene sweep;

assets/minesweeper/config/init_psp.dcf

@@ -14,4 +14,6 @@ bind lstick_positive_y down;
 bind lstick_negative_x left;
 bind lstick_positive_x right;
 
-fps 1;
+fps 1;
+
+scene sweep;

assets/minesweeper/sweep/CMakeLists.txt

@@ -2,5 +2,3 @@
 # 
 # This software is released under the MIT License.
 # https://opensource.org/licenses/MIT
-
-add_asset(PALETTE palette0.png)

assets/minesweeper/ui/CMakeLists.txt

@@ -3,4 +3,6 @@
 # This software is released under the MIT License.
 # https://opensource.org/licenses/MIT
 
-add_asset(TILESET minogram.png type=ALPHA tileWidth=6 tileHeight=10 columns=16 rows=6)
+add_asset(TILESET minogram.png type=ALPHA tileWidth=6 tileHeight=10 columns=16 rows=6)
+add_asset(TILESET ui.png type=PALETTIZED tileWidth=16 tileHeight=16)
+add_asset(TILESET ui_frame.png type=PALETTIZED tileWidth=16 tileHeight=16)

src/asset/assetmanager.h

@@ -8,7 +8,7 @@
 #pragma once
 #include "asset.h"
 
-#define ASSET_MANAGER_ASSET_COUNT_MAX 256
+#define ASSET_MANAGER_ASSET_COUNT_MAX 32
 
 #if ASSET_TYPE == wad
 #else

src/asset/type/assetpaletteimage.h

@@ -9,8 +9,8 @@
 #include "error/error.h"
 #include "display/texture/texture.h"
 
-#define ASSET_PALETTE_IMAGE_WIDTH_MAX 256
-#define ASSET_PALETTE_IMAGE_HEIGHT_MAX 256
+#define ASSET_PALETTE_IMAGE_WIDTH_MAX 128
+#define ASSET_PALETTE_IMAGE_HEIGHT_MAX 128
 #define ASSET_PALETTE_IMAGE_SIZE_MAX ( \
   ASSET_PALETTE_IMAGE_WIDTH_MAX * ASSET_PALETTE_IMAGE_HEIGHT_MAX \
 )

src/console/cmd/cmdscene.h

@@ -0,0 +1,38 @@
+/**
+ * Copyright (c) 2025 Dominic Masters
+ * 
+ * This software is released under the MIT License.
+ * https://opensource.org/licenses/MIT
+ */
+
+#pragma once
+#include "console/console.h"
+#include "engine/engine.h"
+#include "scene/scenemanager.h"
+
+void cmdScene(const consolecmdexec_t *exec) {
+  if(exec->argc < 1) {
+    consolePrint("Usage: scene <name>");
+    return;
+  }
+  
+  scene_t *scene = sceneManagerGetSceneByName(exec->argv[0]);
+  if(scene == NULL) {
+    consolePrint("Error: Scene '%s' not found.", exec->argv[0]);
+    return;
+  }
+
+  if((scene->flags & SCENE_FLAG_INITIALIZED) == 0) {
+    if(scene->init) {
+      errorret_t ret = errorPrint(scene->init());
+      if(ret.code != ERROR_OK) {
+        errorCatch(ret);
+        consolePrint("Error: Failed to initialize scene '%s'.", exec->argv[0]);
+        return;
+      }
+    }
+    scene->flags |= SCENE_FLAG_INITIALIZED;
+  }
+
+  sceneManagerSetScene(scene);
+}

src/console/console.c

@@ -19,6 +19,7 @@
 #include "console/cmd/cmdbind.h"
 #include "console/cmd/cmdtoggleconsole.h"
 #include "console/cmd/cmdalias.h"
+#include "console/cmd/cmdscene.h"
 
 console_t CONSOLE;
 
@@ -34,6 +35,7 @@ void consoleInit() {
   consoleRegCmd("bind", cmdBind);
   consoleRegCmd("toggleconsole", cmdToggleConsole);
   consoleRegCmd("alias", cmdAlias);
+  consoleRegCmd("scene", cmdScene);
 
   #if CONSOLE_POSIX
     threadInit(&CONSOLE.thread, consoleInputThread);

src/engine/engine.c

@@ -58,6 +58,7 @@ errorret_t engineUpdate(void) {
 
 errorret_t engineDispose(void) {
   gameDispose();
+  sceneManagerDispose();
   errorChain(displayDispose());
   assetManagerDispose();
   consoleDispose();

src/error/error.c

@@ -57,6 +57,11 @@ errorret_t errorThrowImpl(
 }
 
 errorret_t errorOkImpl() {
+  assertTrue(
+    ERROR_STATE.code == ERROR_OK,
+    "Global error state is not OK (Likely missing errorCatch)"
+  );
+  
   return (errorret_t) {
     .code = ERROR_OK,
     .state = NULL

src/game/minesweeper/CMakeLists.txt

@@ -10,4 +10,5 @@ target_sources(${DUSK_TARGET_NAME}
 )
 
 # Subdirs
+add_subdirectory(scene)
 add_subdirectory(ui)

src/game/minesweeper/game.c

@@ -7,9 +7,14 @@
 
 #include "game/game.h"
 #include "game/minesweeper/ui/ui.h"
+#include "game/minesweeper/scene/scenesweep.h"
+#include "scene/scenemanager.h"
+#include "console/console.h"
 
 errorret_t gameInit(void) {
-  uiInit();
+  errorChain(uiInit());
+  
+  sceneManagerRegisterScene(&SCENE_SWEEP);
 
   errorOk();
 }

src/game/minesweeper/scene/CMakeLists.txt

@@ -0,0 +1,12 @@
+# Copyright (c) 2025 Dominic Masters
+# 
+# This software is released under the MIT License.
+# https://opensource.org/licenses/MIT
+
+# Sources
+target_sources(${DUSK_TARGET_NAME}
+  PRIVATE
+    scenesweep.c
+)
+
+# Subdirs

src/game/minesweeper/scene/scenesweep.c

@@ -6,22 +6,20 @@
  */
 
 #include "scenesweep.h"
+#include "game/minesweeper/ui/ui.h"
 
 scene_t SCENE_SWEEP = {
+  .name = "sweep",
   .init = sceneSweepInit,
   .update = sceneSweepUpdate,
   .render = sceneSweepRender,
   .dispose = sceneSweepDispose,
-  .active = NULL,
-  .sleep = NULL,
-  .flags = 0
 };
 
 scenesweep_t SCENE_SWEEP_DATA;
 
 errorret_t sceneSweepInit(void) {
   // Initialize scene data here
-
   errorOk();
 }
 
@@ -31,8 +29,10 @@ void sceneSweepUpdate(void) {
 
 void sceneSweepRender(void) {
   // Render scene here
+  uiRender();
 }
 
 void sceneSweepDispose(void) {
   // Clean up scene resources here
+  printf("Disposing sweep scene\n");
 }

src/game/minesweeper/scene/scenesweep.h

@@ -9,7 +9,7 @@
 #include "scene/scene.h"
 
 typedef struct {
-
+  int32_t x;
 } scenesweep_t;
 
 extern scene_t SCENE_SWEEP;

src/game/minesweeper/ui/ui.c

@@ -8,22 +8,41 @@
 #include "ui.h"
 #include "ui/uifps.h"
 #include "ui/uiconsole.h"
+#include "ui/uiframe.h"
 #include "display/framebuffer/framebuffer.h"
+#include "display/spritebatch/spritebatch.h"
 
 #include "display/tileset/tileset_minogram.h"
+#include "display/tileset/tileset_ui.h"
+#include "display/tileset/tileset_ui_frame.h"
 
 ui_t UI;
 
-void uiInit(void) {
+errorret_t uiInit(void) {
   cameraInitOrthographic(&UI.camera);
 
   UI.minogramTileset = (tileset_t*)&TILESET_MINOGRAM;
-
-  assetManagerLoadAsset(
+  errorChain(assetManagerLoadAsset(
     UI.minogramTileset->image,
     &UI.minogramAsset,
     &UI.minogramRef
-  );
+  ));
+
+  UI.uiTileset = (tileset_t*)&TILESET_UI;
+  errorChain(assetManagerLoadAsset(
+    UI.uiTileset->image,
+    &UI.uiAsset,
+    &UI.uiRef
+  ));
+
+  UI.frameTileset = (tileset_t*)&TILESET_UI_FRAME;
+  errorChain(assetManagerLoadAsset(
+    UI.frameTileset->image,
+    &UI.frameAsset,
+    &UI.frameRef
+  ));
+
+  errorOk();
 }
 
 void uiRender(void) {
@@ -38,7 +57,22 @@ void uiRender(void) {
   cameraPushMatrix(&UI.camera);
 
   uiFPSRender(UI.minogramTileset, &UI.minogramAsset->alphaImage.texture);
-  uiConsoleRender(UI.minogramTileset, &UI.minogramAsset->alphaImage.texture);
+
+  float_t x, y;
+  x = 32, y = 32;
+  uiFrameDrawTiled(
+    x, y,
+    256, 256,
+    UI.frameTileset,
+    0, 0,
+    &UI.frameAsset->paletteImage.texture
+  );
+
+  uiConsoleRender(
+    0, 0,
+    UI.minogramTileset, &UI.minogramAsset->alphaImage.texture
+  );
+  spriteBatchFlush();
 
   cameraPopMatrix();
 }

src/game/minesweeper/ui/ui.h

@@ -17,14 +17,24 @@ typedef struct {
   tileset_t *minogramTileset;
   asset_t *minogramAsset;
   ref_t minogramRef;
+
+  tileset_t *uiTileset;
+  asset_t *uiAsset;
+  ref_t uiRef;
+
+  tileset_t *frameTileset;
+  asset_t *frameAsset;
+  ref_t frameRef;
 } ui_t;
 
 extern ui_t UI;
 
 /**
  * Initializes the Minesweeper UI.
+ * 
+ * @return Error code indicating success or failure.
  */
-void uiInit(void);
+errorret_t uiInit(void);
 
 /**
  * Renders the Minesweeper UI.

src/scene/scene.h

@@ -10,8 +10,11 @@
 #include "error/error.h"
 
 #define SCENE_FLAG_ACTIVE (1 << 0)
+#define SCENE_FLAG_INITIALIZED (1 << 1)
 
 typedef struct {
+  const char_t *name;
+
   errorret_t (*init)(void);
   void (*update)(void);
   void (*render)(void);

src/scene/scenemanager.c

@@ -8,47 +8,103 @@
 #include "scenemanager.h"
 #include "util/memory.h"
 #include "assert/assert.h"
+#include "console/console.h"
+#include "util/string.h"
 
 scenemanager_t SCENE_MANAGER;
 
 errorret_t sceneManagerInit(void) {
   memoryZero(&SCENE_MANAGER, sizeof(scenemanager_t));
-
+  
   errorOk();
 }
 
+scene_t * sceneManagerGetSceneByName(const char_t *name) {
+  assertNotNull(name, "Name is null");
+
+  for(uint8_t i = 0; i < SCENE_MANAGER.sceneCount; i++) {
+    if(strcmp(SCENE_MANAGER.scenes[i]->name, name) != 0) continue;
+    return SCENE_MANAGER.scenes[i];
+  }
+
+  return NULL;
+}
+
+void sceneManagerRegisterScene(scene_t *scene) {
+  assertNotNull(scene, "Scene is null");
+  assertTrue(
+    SCENE_MANAGER.sceneCount < SCENE_MANAGER_SCENE_COUNT_MAX,
+    "Scene count exceeded max"
+  );
+  assertNotNull(scene->name, "Scene name is null");
+  assertNull(
+    sceneManagerGetSceneByName(scene->name), "Scene name already registered"
+  );
+
+  SCENE_MANAGER.scenes[SCENE_MANAGER.sceneCount++] = scene;
+}
+
 void sceneManagerSetScene(scene_t *scene) {
   if(SCENE_MANAGER.current) {
-    SCENE_MANAGER.current->sleep();
-    SCENE_MANAGER.current->flags &= ~SCENE_FLAG_ACTIVE;
+    if(SCENE_MANAGER.current->sleep) SCENE_MANAGER.current->sleep();
+    
+    // TODO: Should dispose?
+    SCENE_MANAGER.current->flags &= ~(
+      SCENE_FLAG_INITIALIZED | SCENE_FLAG_ACTIVE
+    );
+    if(SCENE_MANAGER.current->dispose) SCENE_MANAGER.current->dispose();
   }
   
   SCENE_MANAGER.current = scene;
 
-  if(SCENE_MANAGER.current) {
-    SCENE_MANAGER.current->active();
-    SCENE_MANAGER.current->flags |= SCENE_FLAG_ACTIVE;
+  if(scene) {
+    assertTrue(
+      scene->flags & SCENE_FLAG_INITIALIZED,
+      "Scene not initialized"
+    );
+
+    if(scene->active) scene->active();
+    scene->flags |= SCENE_FLAG_ACTIVE;
   }
 }
 
 void sceneManagerUpdate(void) {
   if(!SCENE_MANAGER.current) return;
+
   assertTrue(
     SCENE_MANAGER.current->flags & SCENE_FLAG_ACTIVE,
     "Current scene not active"
   );
-  SCENE_MANAGER.current->update();
+  assertTrue(
+    SCENE_MANAGER.current->flags & SCENE_FLAG_INITIALIZED,
+    "Current scene not initialized"
+  );
+
+  if(SCENE_MANAGER.current->update) SCENE_MANAGER.current->update();
 }
 
 void sceneManagerRender(void) {
   if(!SCENE_MANAGER.current) return;
+
   assertTrue(
     SCENE_MANAGER.current->flags & SCENE_FLAG_ACTIVE,
     "Current scene not active"
   );
-  SCENE_MANAGER.current->render();
+  assertTrue(
+    SCENE_MANAGER.current->flags & SCENE_FLAG_INITIALIZED,
+    "Current scene not initialized"
+  );
+
+  if(SCENE_MANAGER.current->render) SCENE_MANAGER.current->render();
 }
 
 void sceneManagerDispose(void) {
-  assertNull(SCENE_MANAGER.current, "Current scene not null");
+  for(uint8_t i = 0; i < SCENE_MANAGER.sceneCount; i++) {
+    scene_t *scene = SCENE_MANAGER.scenes[i];
+    if(scene->flags & SCENE_FLAG_INITIALIZED) {
+      scene->dispose();
+    }
+  }
+
+  SCENE_MANAGER.sceneCount = 0;
 }

src/scene/scenemanager.h

@@ -8,8 +8,12 @@
 #pragma once
 #include "scene.h"
 
+#define SCENE_MANAGER_SCENE_COUNT_MAX 32
+
 typedef struct {
   scene_t *current;
+  scene_t *scenes[SCENE_MANAGER_SCENE_COUNT_MAX];
+  uint8_t sceneCount;
 } scenemanager_t;
 
 extern scenemanager_t SCENE_MANAGER;
@@ -19,6 +23,21 @@ extern scenemanager_t SCENE_MANAGER;
  */
 errorret_t sceneManagerInit(void);
 
+/**
+ * Retrieves a registered scene by its name.
+ * 
+ * @param name The name of the scene to retrieve.
+ * @return The scene with the specified name, or NULL if not found.
+ */
+scene_t * sceneManagerGetSceneByName(const char_t *name);
+
+/**
+ * Registers a scene with the scene manager.
+ * 
+ * @param scene The scene to register.
+ */
+void sceneManagerRegisterScene(scene_t *scene);
+
 /**
  * Sets the current active scene.
  * 

src/ui/CMakeLists.txt

@@ -8,5 +8,6 @@ target_sources(${DUSK_TARGET_NAME}
   PRIVATE
     uitext.c
     uifps.c
+    uiframe.c
     uiconsole.c
 )

src/ui/uiconsole.c

@@ -9,7 +9,12 @@
 #include "uitext.h"
 #include "console/console.h"
 
-void uiConsoleRender(const tileset_t *tileset, texture_t *texture) {
+void uiConsoleRender(
+  const float_t x,
+  const float_t y,
+  const tileset_t *tileset,
+  texture_t *texture
+) {
   if(!CONSOLE.visible) return;
 
   int32_t i = CONSOLE_HISTORY_MAX - 1;
@@ -21,7 +26,7 @@ void uiConsoleRender(const tileset_t *tileset, texture_t *texture) {
       continue;
     }
     uiTextDraw(
-      0, i * TILESET_MINOGRAM.tileHeight,
+      x, y + (i * TILESET_MINOGRAM.tileHeight),
       line, COLOR_WHITE,
       tileset, texture
     );

src/ui/uiconsole.h

@@ -12,7 +12,14 @@
 /**
  * Renders the console UI.
  * 
+ * @param x The x-coordinate to start rendering the console.
+ * @param y The y-coordinate to start rendering the console.
  * @param tileset The tileset to use for rendering text.
  * @param texture The texture associated with the tileset.
  */
-void uiConsoleRender(const tileset_t *tileset, texture_t *texture);
+void uiConsoleRender(
+  const float_t x,
+  const float_t y,
+  const tileset_t *tileset,
+  texture_t *texture
+);

src/ui/uiframe.c

@@ -0,0 +1,384 @@
+/**
+ * Copyright (c) 2025 Dominic Masters
+ * 
+ * This software is released under the MIT License.
+ * https://opensource.org/licenses/MIT
+ */
+
+#include "uiframe.h"
+#include "display/spritebatch/spritebatch.h"
+#include "assert/assert.h"
+#include <math.h>
+
+void uiFrameDraw(
+  const float_t x,
+  const float_t y,
+  const float_t width,
+  const float_t height,
+  const tileset_t *tileset,
+  const uint16_t column,
+  const uint16_t row,
+  texture_t *texture
+) {
+  assertNotNull(tileset, "Tileset cannot be NULL");
+  assertNotNull(texture, "Texture cannot be NULL");
+
+  if(height <= 0 || width <= 0) return;
+
+  // Top-Left
+  vec4 uv;
+
+  tilesetPositionGetUV(
+    tileset,
+    column,
+    row,
+    uv
+  );
+  spriteBatchPush(
+    texture,
+    x, y,
+    x + tileset->tileWidth,
+    y + tileset->tileHeight,
+    COLOR_WHITE,
+    uv[0], uv[1], uv[2], uv[3]
+  );
+
+  // Top-Center
+  tilesetPositionGetUV(
+    tileset,
+    column + 1,
+    row,
+    uv
+  );
+  spriteBatchPush(
+    texture,
+    x + tileset->tileWidth, y,
+    x + width - tileset->tileWidth, y + tileset->tileHeight,
+    COLOR_WHITE,
+    uv[0], uv[1], uv[2], uv[3]
+  );
+
+  // Top-Right
+  tilesetPositionGetUV(
+    tileset,
+    column + 2,
+    row,
+    uv
+  );
+  spriteBatchPush(
+    texture,
+    x + width - tileset->tileWidth, y,
+    x + width, y + tileset->tileHeight,
+    COLOR_WHITE,
+    uv[0], uv[1], uv[2], uv[3]
+  ); 
+
+  // Middle-Left
+  tilesetPositionGetUV(
+    tileset,
+    column,
+    row + 1,
+    uv
+  );
+  spriteBatchPush(
+    texture,
+    x, y + tileset->tileHeight,
+    x + tileset->tileWidth, y + height - tileset->tileHeight,
+    COLOR_WHITE,
+    uv[0], uv[1], uv[2], uv[3]
+  ); 
+
+  // Middle-Center
+  tilesetPositionGetUV(
+    tileset,
+    column + 1,
+    row + 1,
+    uv
+  );
+  spriteBatchPush(
+    texture,
+    x + tileset->tileWidth, y + tileset->tileHeight,
+    x + width - tileset->tileWidth, y + height - tileset->tileHeight,
+    COLOR_WHITE,
+    uv[0], uv[1], uv[2], uv[3]
+  );
+
+  // Middle-Right
+  tilesetPositionGetUV(
+    tileset,
+    column + 2,
+    row + 1,
+    uv
+  );
+  spriteBatchPush(
+    texture,
+    x + width - tileset->tileWidth, y + tileset->tileHeight,
+    x + width, y + height - tileset->tileHeight,
+    COLOR_WHITE,
+    uv[0], uv[1], uv[2], uv[3]
+  );
+
+  // Bottom-Left
+  tilesetPositionGetUV(
+    tileset,
+    column,
+    row + 2,
+    uv
+  );
+  spriteBatchPush(
+    texture,
+    x, y + height - tileset->tileHeight,
+    x + tileset->tileWidth, y + height,
+    COLOR_WHITE,
+    uv[0], uv[1], uv[2], uv[3]
+  );
+
+  // Bottom-Center
+  tilesetPositionGetUV(
+    tileset,
+    column + 1,
+    row + 2,
+    uv
+  );
+  spriteBatchPush(
+    texture,
+    x + tileset->tileWidth, y + height - tileset->tileHeight,
+    x + width - tileset->tileWidth, y + height,
+    COLOR_WHITE,
+    uv[0], uv[1], uv[2], uv[3]
+  );
+
+  // Bottom-Right
+  tilesetPositionGetUV(
+    tileset,
+    column + 2,
+    row + 2,
+    uv
+  );
+  spriteBatchPush(
+    texture,
+    x + width - tileset->tileWidth, y + height - tileset->tileHeight,
+    x + width, y + height,
+    COLOR_WHITE,
+    uv[0], uv[1], uv[2], uv[3]
+  );
+}
+
+void uiFrameDrawTiled(
+  const float_t x,
+  const float_t y,
+  const float_t width,
+  const float_t height,
+  const tileset_t *tileset,
+  const uint16_t column,
+  const uint16_t row,
+  texture_t *texture
+) {
+  assertNotNull(tileset, "Tileset cannot be NULL");
+  assertNotNull(texture, "Texture cannot be NULL");
+
+  if(height <= 0 || width <= 0) return;
+  
+  uint32_t segmentsX, segmentsY;
+  float_t remainderX, remainderY;
+  segmentsX = (width - (tileset->tileWidth * 2)) / tileset->tileWidth;
+  segmentsY = (height - (tileset->tileHeight * 2)) / tileset->tileHeight;
+  remainderX = fmodf(width - (tileset->tileWidth * 2), tileset->tileWidth);
+  remainderY = fmodf(height - (tileset->tileHeight * 2), tileset->tileHeight);
+
+  // Corners
+  vec4 uv;
+
+  // Top-Left
+  tilesetPositionGetUV(
+    tileset,
+    column,
+    row,
+    uv
+  );
+  spriteBatchPush(
+    texture,
+    x, y,
+    x + tileset->tileWidth,
+    y + tileset->tileHeight,
+    COLOR_WHITE,
+    uv[0], uv[1], uv[2], uv[3]
+  );
+
+  // Top-Right
+  tilesetPositionGetUV(
+    tileset,
+    column + 2,
+    row,
+    uv
+  );
+  spriteBatchPush(
+    texture,
+    x + width - tileset->tileWidth, y,
+    x + width, y + tileset->tileHeight,
+    COLOR_WHITE,
+    uv[0], uv[1], uv[2], uv[3]
+  );
+
+  // Bottom-Left
+  tilesetPositionGetUV(
+    tileset,
+    column,
+    row + 2,
+    uv
+  );
+  spriteBatchPush(
+    texture,
+    x, y + height - tileset->tileHeight,
+    x + tileset->tileWidth, y + height,
+    COLOR_WHITE,
+    uv[0], uv[1], uv[2], uv[3]
+  );
+
+  // Bottom-Right
+  tilesetPositionGetUV(
+    tileset,
+    column + 2,
+    row + 2,
+    uv
+  );
+  spriteBatchPush(
+    texture,
+    x + width - tileset->tileWidth, y + height - tileset->tileHeight,
+    x + width, y + height,
+    COLOR_WHITE,
+    uv[0], uv[1], uv[2], uv[3]
+  );
+
+  // Top and Bottom Edges (Tiled)
+  tilesetPositionGetUV(tileset, column + 1, row, uv); // Top edge
+  float_t edgeX = x + tileset->tileWidth;
+  for(uint32_t i = 0; i < segmentsX; ++i, edgeX += tileset->tileWidth) {
+    spriteBatchPush(
+      texture,
+      edgeX, y,
+      edgeX + tileset->tileWidth, y + tileset->tileHeight,
+      COLOR_WHITE,
+      uv[0], uv[1], uv[2], uv[3]
+    );
+  }
+  if(remainderX) {
+    spriteBatchPush(
+      texture,
+      edgeX, y,
+      edgeX + remainderX, y + tileset->tileHeight,
+      COLOR_WHITE,
+      uv[0], uv[1], uv[2], uv[3]
+    );
+  }
+
+  tilesetPositionGetUV(tileset, column + 1, row + 2, uv); // Bottom edge
+  edgeX = x + tileset->tileWidth;
+  for(uint32_t i = 0; i < segmentsX; ++i, edgeX += tileset->tileWidth) {
+    spriteBatchPush(
+      texture,
+      edgeX, y + height - tileset->tileHeight,
+      edgeX + tileset->tileWidth, y + height,
+      COLOR_WHITE,
+      uv[0], uv[1], uv[2], uv[3]
+    );
+  }
+  if(remainderX) {
+    spriteBatchPush(
+      texture,
+      edgeX, y + height - tileset->tileHeight,
+      edgeX + remainderX, y + height,
+      COLOR_WHITE,
+      uv[0], uv[1], uv[2], uv[3]
+    );
+  }
+
+  // Left and Right Edges (Tiled)
+  tilesetPositionGetUV(tileset, column, row + 1, uv); // Left edge
+  float_t edgeY = y + tileset->tileHeight;
+  for(uint32_t i = 0; i < segmentsY; ++i, edgeY += tileset->tileHeight) {
+    spriteBatchPush(
+      texture,
+      x, edgeY,
+      x + tileset->tileWidth, edgeY + tileset->tileHeight,
+      COLOR_WHITE,
+      uv[0], uv[1], uv[2], uv[3]
+    );
+  }
+  if(remainderY) {
+    spriteBatchPush(
+      texture,
+      x, edgeY,
+      x + tileset->tileWidth, edgeY + remainderY,
+      COLOR_WHITE,
+      uv[0], uv[1], uv[2], uv[3]
+    );
+  }
+
+  tilesetPositionGetUV(tileset, column + 2, row + 1, uv); // Right edge
+  edgeY = y + tileset->tileHeight;
+  for(uint32_t i = 0; i < segmentsY; ++i, edgeY += tileset->tileHeight) {
+    spriteBatchPush(
+      texture,
+      x + width - tileset->tileWidth, edgeY,
+      x + width, edgeY + tileset->tileHeight,
+      COLOR_WHITE,
+      uv[0], uv[1], uv[2], uv[3]
+    );
+  }
+  if(remainderY) {
+    spriteBatchPush(
+      texture,
+      x + width - tileset->tileWidth, edgeY,
+      x + width, edgeY + remainderY,
+      COLOR_WHITE,
+      uv[0], uv[1], uv[2], uv[3]
+    );
+  }
+
+  // Center (Tiled)
+  tilesetPositionGetUV(tileset, column + 1, row + 1, uv); // Center tile
+  float_t centerY = y + tileset->tileHeight;
+  for(uint32_t j = 0; j < segmentsY; ++j, centerY += tileset->tileHeight) {
+    float_t centerX = x + tileset->tileWidth;
+    for(uint32_t i = 0; i < segmentsX; ++i, centerX += tileset->tileWidth) {
+      spriteBatchPush(
+        texture,
+        centerX, centerY,
+        centerX + tileset->tileWidth, centerY + tileset->tileHeight,
+        COLOR_WHITE,
+        uv[0], uv[1], uv[2], uv[3]
+      );
+    }
+    if(remainderX) {
+      spriteBatchPush(
+        texture,
+        centerX, centerY,
+        centerX + remainderX, centerY + tileset->tileHeight,
+        COLOR_WHITE,
+        uv[0], uv[1], uv[2], uv[3]
+      );
+    }
+  }
+  if(remainderY) {
+    float_t centerX = x + tileset->tileWidth;
+    for(uint32_t i = 0; i < segmentsX; ++i, centerX += tileset->tileWidth) {
+      spriteBatchPush(
+        texture,
+        centerX, centerY,
+        centerX + tileset->tileWidth, centerY + remainderY,
+        COLOR_WHITE,
+        uv[0], uv[1], uv[2], uv[3]
+      );
+    }
+    if(remainderX) {
+      spriteBatchPush(
+        texture,
+        centerX, centerY,
+        centerX + remainderX, centerY + remainderY,
+        COLOR_WHITE,
+        uv[0], uv[1], uv[2], uv[3]
+      );
+    }
+  }
+}

src/ui/uiframe.h

@@ -0,0 +1,57 @@
+/**
+ * Copyright (c) 2025 Dominic Masters
+ * 
+ * This software is released under the MIT License.
+ * https://opensource.org/licenses/MIT
+ */
+
+#pragma once
+#include "display/tileset.h"
+#include "display/texture/texture.h"
+
+/**
+ * Draw a UI Frame (using the 9-slice technique).
+ * 
+ * @param x The x position to draw the frame at.
+ * @param y The y position to draw the frame at.
+ * @param width The width of the frame.
+ * @param height The height of the frame.
+ * @param tileset The tileset to use for rendering the frame.
+ * @param column The column in the tileset to use for the frame.
+ * @param row The row in the tileset to use for the frame.
+ * @param texture The texture associated with the tileset.
+ */
+void uiFrameDraw(
+  const float_t x,
+  const float_t y,
+  const float_t width,
+  const float_t height,
+  const tileset_t *tileset,
+  const uint16_t column,
+  const uint16_t row,
+  texture_t *texture
+);
+
+/**
+ * Draw a tiled UI Frame (using the 9-slice technique). This will tile the 
+ * center components to allow them to repeat without distortion.
+ *
+ * @param x The x position to draw the frame at.
+ * @param y The y position to draw the frame at.
+ * @param width The width of the frame.
+ * @param height The height of the frame.
+ * @param tileset The tileset to use for rendering the frame.
+ * @param column The column in the tileset to use for the frame.
+ * @param row The row in the tileset to use for the frame.
+ * @param texture The texture associated with the tileset.
+ */
+void uiFrameDrawTiled(
+  const float_t x,
+  const float_t y,
+  const float_t width,
+  const float_t height,
+  const tileset_t *tileset,
+  const uint16_t column,
+  const uint16_t row,
+  texture_t *texture
+);

tools/assetstool/processimage.py

@@ -39,11 +39,15 @@ def processPalettizedImage(asset):
     if all(color in palette['pixels'] for color in imagePalette):
       break
   else:
+    palette = palettes[0]  # Just to avoid reference error
     print(f"No matching palette found for {assetPath}!")
     # Find which pixel is missing
     for color in imagePalette:
-      if color not in palette:
-        print(f"Missing color: {color}")
+      if color in palette['pixels']:
+        continue
+      # Convert to hex (with alpha)
+      hexColor = '#{:02x}{:02x}{:02x}{:02x}'.format(color[0], color[1], color[2], color[3])
+      print(f"Missing color: {hexColor} in palette {palette['paletteName']}")
     sys.exit(1)
   
   print(f"Converting image {assetPath} to use palette")