Started asset refact

archive/asset/CMakeLists.txt

@@ -0,0 +1,14 @@
+# 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
+    asset.c
+    assetmanager.c
+)
+
+# Subdirs
+add_subdirectory(type)

archive/asset/asset.c

@@ -0,0 +1,139 @@
+/**
+ * Copyright (c) 2025 Dominic Masters
+ * 
+ * This software is released under the MIT License.
+ * https://opensource.org/licenses/MIT
+ */
+
+#include "asset.h"
+#include "assetmanager.h"
+#include "util/memory.h"
+#include "assert/assert.h"
+
+assetdef_t ASSET_DEFINITIONS[ASSET_TYPE_COUNT] = {
+  [ASSET_TYPE_PALETTE_IMAGE] = {
+    "DPI", assetPaletteImageLoad, assetPaletteImageDispose
+  },
+  [ASSET_TYPE_ALPHA_IMAGE] = {
+    "DAI", assetAlphaImageLoad, assetAlphaImageDispose
+  },
+};
+
+errorret_t assetInit(asset_t *asset, const char_t *filename) {
+  assertNotNull(asset, "Asset cannot be NULL.");
+  assertNotNull(filename, "Filename cannot be NULL.");
+  assertTrue(strlen(filename) < FILENAME_MAX, "Filename too long.");
+  assertTrue(strlen(filename) > 0, "Filename cannot be empty.");
+
+  memoryZero(asset, sizeof(asset_t));
+  memoryCopy(asset->filename, filename, strlen(filename) + 1);
+
+  // Initialze the reference list.
+  refListInit(
+    &asset->refList,
+    asset->refListArray,
+    ASSET_REFERENCE_COUNT_MAX
+  );
+
+  // Test the file can be opened. In future I may make the handle stay open for
+  // a while to see if it increases performance and stops disk thrashing.
+  asset->file = zip_fopen(ASSET_MANAGER.zip, filename, 0);
+  if(asset->file == NULL) errorThrow("Failed to open asset file: %s", filename);
+  zip_fclose(asset->file);
+  asset->file = NULL;
+  errorOk();
+}
+
+ref_t assetLock(asset_t *asset) {
+  assertNotNull(asset, "Asset cannot be NULL.");
+
+  return refListLock(&asset->refList);
+}
+
+void assetUnlock(asset_t *asset, const ref_t ref) {
+  assertNotNull(asset, "Asset cannot be NULL.");
+
+  // Just unlock the reference in the reference list.
+  refListUnlock(&asset->refList, ref);
+}
+
+errorret_t assetLoad(asset_t *asset) {
+  assertNotNull(asset, "Asset cannot be NULL.");
+  assertTrue(
+    asset->state == ASSET_STATE_NOT_LOADED,
+    "Asset is already loaded or loading."
+  );
+
+  // Mark as loading.
+  asset->state = ASSET_STATE_LOADING;
+
+  // Open the file.
+  if(asset->file == NULL) {
+    asset->file = zip_fopen(ASSET_MANAGER.zip, asset->filename, 0);
+    if(asset->file == NULL) {
+      asset->state = ASSET_STATE_ERROR;
+      errorThrow("Failed to open asset file: %s", asset->filename);
+    }
+  }
+
+  // Read header.
+  char_t header[ASSET_HEADER_SIZE + 1];
+  memoryZero(header, ASSET_HEADER_SIZE + 1);
+  zip_int64_t bytesRead = zip_fread(asset->file, header, ASSET_HEADER_SIZE);
+  if(bytesRead != ASSET_HEADER_SIZE) {
+    asset->state = ASSET_STATE_ERROR;
+    zip_fclose(asset->file);
+    asset->file = NULL;
+    errorThrow("Failed to read asset header for: %s", asset->filename);
+  }
+
+  // Check header.
+  if(strlen(header) != ASSET_HEADER_SIZE) {
+    asset->state = ASSET_STATE_ERROR;
+    zip_fclose(asset->file);
+    asset->file = NULL;
+    errorThrow("Invalid asset header for: %s", asset->filename);
+  }
+
+  // Get the asset definition based on the header.
+  assetdef_t *def;
+  for(uint_fast8_t i = 0; i < ASSET_TYPE_COUNT; i++) {
+    if(strcmp(header, ASSET_DEFINITIONS[i].header) == 0) {
+      def = &ASSET_DEFINITIONS[i];
+      asset->type = i;
+      break;
+    }
+  }
+  assertNotNull(def, "Failed to find asset definition for header.");
+
+  // Load the asset
+  errorret_t ret = def->load(asset);
+  if(ret.code != ERROR_OK) {
+    asset->state = ASSET_STATE_ERROR;
+    zip_fclose(asset->file);
+    asset->file = NULL;
+    errorChain(ret);
+  }
+
+  // Finished loading.
+  asset->state = ASSET_STATE_LOADED;
+  zip_fclose(asset->file);
+  asset->file = NULL;
+  errorOk();
+}
+
+errorret_t assetDispose(asset_t *asset) {
+  assertNotNull(asset, "Asset cannot be NULL.");
+
+  if(asset->state == ASSET_STATE_LOADED) {
+    // Dispose of the asset based on its type.
+    assetdef_t *def = &ASSET_DEFINITIONS[asset->type];
+    if(def->dispose) errorChain(def->dispose(asset));
+    asset->state = ASSET_STATE_NOT_LOADED;
+  }
+
+  if(asset->file) {
+    zip_fclose(asset->file);
+    asset->file = NULL;
+  }
+}

archive/asset/asset.h

@@ -0,0 +1,104 @@
+/**
+ * Copyright (c) 2025 Dominic Masters
+ * 
+ * This software is released under the MIT License.
+ * https://opensource.org/licenses/MIT
+ */
+
+#pragma once
+#include "error/error.h"
+#include "util/reflist.h"
+#include <zip.h>
+
+#include "asset/type/assetpaletteimage.h"
+#include "asset/type/assetalphaimage.h"
+
+#define ASSET_HEADER_SIZE 3
+#define ASSET_REFERENCE_COUNT_MAX 8
+
+typedef struct {
+  void (*load)();
+} assetcallback_t;
+
+typedef enum {
+  ASSET_STATE_NOT_LOADED,
+  ASSET_STATE_LOADING,
+  ASSET_STATE_LOADED,
+  ASSET_STATE_ERROR,
+} assetstate_t;
+
+typedef enum {
+  ASSET_TYPE_UNKNOWN,
+  ASSET_TYPE_PALETTE_IMAGE,
+  ASSET_TYPE_ALPHA_IMAGE,
+
+  ASSET_TYPE_COUNT
+} assettype_t;
+
+typedef struct asset_s {
+  char_t filename[FILENAME_MAX];
+  ref_t refListArray[ASSET_REFERENCE_COUNT_MAX];
+  reflist_t refList;
+  assetstate_t state;
+  assettype_t type;
+  zip_file_t *file;
+
+  union {
+    assetpaletteimage_t paletteImage;
+    assetalphaimage_t alphaImage;
+  };
+} asset_t;
+
+typedef struct {
+  const char_t header[ASSET_HEADER_SIZE + 1];
+  errorret_t (*load)(asset_t *asset);
+  errorret_t (*dispose)(asset_t *asset);
+} assetdef_t;
+
+extern assetdef_t ASSET_DEFINITIONS[ASSET_TYPE_COUNT];
+
+/**
+ * Initializes an asset structure. This should be called by the asset manager
+ * only.
+ * 
+ * @param asset The asset structure to initialize.
+ * @param filename The filename of the asset.
+ * @return An error code.
+ */
+errorret_t assetInit(asset_t *asset, const char_t *filename);
+
+/**
+ * Requests a lock on the given asset. This will increase the reference count
+ * of the asset, and prevent it from being unloaded until all locks are
+ * released.
+ * 
+ * @param asset The asset to lock.
+ * @return A unique reference ID for the lock.
+ */
+ref_t assetLock(asset_t *asset);
+
+/**
+ * Releases a lock on the given asset. This will decrease the reference count
+ * of the asset, and allow it to be unloaded if there are no more locks.
+ * 
+ * @param asset The asset to unlock.
+ * @param ref The reference ID of the lock to release.
+ */
+void assetUnlock(asset_t *asset, const ref_t ref);
+
+/**
+ * Permission has been granted to load the asset data from disk. This should
+ * only be called by the asset manager.
+ * 
+ * @param asset The asset to load.
+ * @return An error code.
+ */
+errorret_t assetLoad(asset_t *asset);
+
+/**
+ * Disposes of the asset, freeing any allocated memory and closing any open
+ * file handles. This should only be called by the asset manager.
+ * 
+ * @param asset The asset to dispose of.
+ */
+errorret_t assetDispose(asset_t *asset);

src/CMakeLists.txt

@@ -34,7 +34,7 @@ add_subdirectory(display)
 add_subdirectory(engine)
 add_subdirectory(error)
 add_subdirectory(input)
-# add_subdirectory(locale)
+add_subdirectory(locale)
 add_subdirectory(rpg)
 add_subdirectory(scene)
 add_subdirectory(thread)

src/asset/CMakeLists.txt

@@ -6,9 +6,9 @@
 # Sources
 target_sources(${DUSK_TARGET_NAME}
   PRIVATE
-    asset.c
-    assetmanager.c
+    # asset.c
+    # assetmanager.c
 )
 
 # Subdirs
-add_subdirectory(type)
+# add_subdirectory(type)

src/asset/asset.c

@@ -6,134 +6,46 @@
  */
 
 #include "asset.h"
-#include "assetmanager.h"
 #include "util/memory.h"
+#include "util/string.h"
 #include "assert/assert.h"
 
-assetdef_t ASSET_DEFINITIONS[ASSET_TYPE_COUNT] = {
-  [ASSET_TYPE_PALETTE_IMAGE] = {
-    "DPI", assetPaletteImageLoad, assetPaletteImageDispose
-  },
-  [ASSET_TYPE_ALPHA_IMAGE] = {
-    "DAI", assetAlphaImageLoad, assetAlphaImageDispose
-  },
-};
+errorret_t assetInit(void) {
+  memoryZero(&ASSET_MANAGER, sizeof(assetmanager_t));
   
-errorret_t assetInit(asset_t *asset, const char_t *filename) {
-  assertNotNull(asset, "Asset cannot be NULL.");
-  assertNotNull(filename, "Filename cannot be NULL.");
-  assertTrue(strlen(filename) < FILENAME_MAX, "Filename too long.");
-  assertTrue(strlen(filename) > 0, "Filename cannot be empty.");
+  // Default system path, intended to be overridden by the paltform
+  stringCopy(ASSET_MANAGER.systemPath, ".", FILENAME_MAX);
 
-  memoryZero(asset, sizeof(asset_t));
-  memoryCopy(asset->filename, filename, strlen(filename) + 1);
+  // Open zip file
+  char_t searchPath[FILENAME_MAX];
+  char_t **path = ASSET_SEARCH_PATHS;
+  do {
+    sprintf(
+      searchPath,
+      *path,
+      ASSET_MANAGER.systemPath,
+      ASSET_ASSET_FILE
+    );
 
-  // Initialze the reference list.
-  refListInit(
-    &asset->refList,
-    asset->refListArray,
-    ASSET_REFERENCE_COUNT_MAX
-  );
+    // Try open
+    ASSET.zip = zip_open(searchPath, ZIP_RDONLY, NULL);
+    if(ASSET.zip == NULL) continue;
+    break;// Found!
+  } while(*(++path) != NULL);
+  
+  // Did we open the asset?
+  if(ASSET.zip == NULL) errorThrow("Failed to open asset file.");
 
-  // Test the file can be opened. In future I may make the handle stay open for
-  // a while to see if it increases performance and stops disk thrashing.
-  asset->file = zip_fopen(ASSET_MANAGER.zip, filename, 0);
-  if(asset->file == NULL) errorThrow("Failed to open asset file: %s", filename);
-  zip_fclose(asset->file);
-  asset->file = NULL;
   errorOk();
 }
 
-ref_t assetLock(asset_t *asset) {
-  assertNotNull(asset, "Asset cannot be NULL.");
-
-  return refListLock(&asset->refList);
-}
-
-void assetUnlock(asset_t *asset, const ref_t ref) {
-  assertNotNull(asset, "Asset cannot be NULL.");
-
-  // Just unlock the reference in the reference list.
-  refListUnlock(&asset->refList, ref);
-}
-
-errorret_t assetLoad(asset_t *asset) {
-  assertNotNull(asset, "Asset cannot be NULL.");
-  assertTrue(
-    asset->state == ASSET_STATE_NOT_LOADED,
-    "Asset is already loaded or loading."
-  );
-
-  // Mark as loading.
-  asset->state = ASSET_STATE_LOADING;
-
-  // Open the file.
-  if(asset->file == NULL) {
-    asset->file = zip_fopen(ASSET_MANAGER.zip, asset->filename, 0);
-    if(asset->file == NULL) {
-      asset->state = ASSET_STATE_ERROR;
-      errorThrow("Failed to open asset file: %s", asset->filename);
-    }
-  }
-
-  // Read header.
-  char_t header[ASSET_HEADER_SIZE + 1];
-  memoryZero(header, ASSET_HEADER_SIZE + 1);
-  zip_int64_t bytesRead = zip_fread(asset->file, header, ASSET_HEADER_SIZE);
-  if(bytesRead != ASSET_HEADER_SIZE) {
-    asset->state = ASSET_STATE_ERROR;
-    zip_fclose(asset->file);
-    asset->file = NULL;
-    errorThrow("Failed to read asset header for: %s", asset->filename);
-  }
-
-  // Check header.
-  if(strlen(header) != ASSET_HEADER_SIZE) {
-    asset->state = ASSET_STATE_ERROR;
-    zip_fclose(asset->file);
-    asset->file = NULL;
-    errorThrow("Invalid asset header for: %s", asset->filename);
-  }
-
-  // Get the asset definition based on the header.
-  assetdef_t *def;
-  for(uint_fast8_t i = 0; i < ASSET_TYPE_COUNT; i++) {
-    if(strcmp(header, ASSET_DEFINITIONS[i].header) == 0) {
-      def = &ASSET_DEFINITIONS[i];
-      asset->type = i;
-      break;
-    }
-  }
-  assertNotNull(def, "Failed to find asset definition for header.");
-
-  // Load the asset
-  errorret_t ret = def->load(asset);
-  if(ret.code != ERROR_OK) {
-    asset->state = ASSET_STATE_ERROR;
-    zip_fclose(asset->file);
-    asset->file = NULL;
-    errorChain(ret);
-  }
-
-  // Finished loading.
-  asset->state = ASSET_STATE_LOADED;
-  zip_fclose(asset->file);
-  asset->file = NULL;
+erroret_t assetLoad(const char_t *filename, void *output) {
   errorOk();
 }
 
-errorret_t assetDispose(asset_t *asset) {
-  assertNotNull(asset, "Asset cannot be NULL.");
-
-  if(asset->state == ASSET_STATE_LOADED) {
-    // Dispose of the asset based on its type.
-    assetdef_t *def = &ASSET_DEFINITIONS[asset->type];
-    if(def->dispose) errorChain(def->dispose(asset));
-    asset->state = ASSET_STATE_NOT_LOADED;
-  }
-
-  if(asset->file) {
-    zip_fclose(asset->file);
-    asset->file = NULL;
+void assetDispose(void) {
+  if(ASSET_MANAGER.zip != NULL) {
+    zip_close(ASSET_MANAGER.zip);
+    ASSET_MANAGER.zip = NULL;
   }
 }

src/asset/asset.h

@@ -7,98 +7,48 @@
 
 #pragma once
 #include "error/error.h"
-#include "util/reflist.h"
 #include <zip.h>
 
-#include "asset/type/assetpaletteimage.h"
-#include "asset/type/assetalphaimage.h"
+#if ASSET_TYPE == wad
+#else
+  #error "Unsupported ASSET_TYPE"
+#endif
 
-#define ASSET_HEADER_SIZE 3
-#define ASSET_REFERENCE_COUNT_MAX 8
+#define ASSET_FILE "dusk.dsk"
+
+static const char_t *ASSET_SEARCH_PATHS[] = {
+  "%s/%s",
+  "%s",
+  "../%s",
+  "../../%s",
+  "data/%s",
+  "../data/%s",
+  NULL
+};
 
 typedef struct {
-  void (*load)();
-} assetcallback_t;
-
-typedef enum {
-  ASSET_STATE_NOT_LOADED,
-  ASSET_STATE_LOADING,
-  ASSET_STATE_LOADED,
-  ASSET_STATE_ERROR,
-} assetstate_t;
-
-typedef enum {
-  ASSET_TYPE_UNKNOWN,
-  ASSET_TYPE_PALETTE_IMAGE,
-  ASSET_TYPE_ALPHA_IMAGE,
-
-  ASSET_TYPE_COUNT
-} assettype_t;
-
-typedef struct asset_s {
-  char_t filename[FILENAME_MAX];
-  ref_t refListArray[ASSET_REFERENCE_COUNT_MAX];
-  reflist_t refList;
-  assetstate_t state;
-  assettype_t type;
-  zip_file_t *file;
-
-  union {
-    assetpaletteimage_t paletteImage;
-    assetalphaimage_t alphaImage;
-  };
+  zip_t *zip;
+  char_t systemPath[FILENAME_MAX];
+  uint8_t assetCount;
 } asset_t;
 
-typedef struct {
-  const char_t header[ASSET_HEADER_SIZE + 1];
-  errorret_t (*load)(asset_t *asset);
-  errorret_t (*dispose)(asset_t *asset);
-} assetdef_t;
-
-extern assetdef_t ASSET_DEFINITIONS[ASSET_TYPE_COUNT];
+static asset_t ASSET;
 
 /**
- * Initializes an asset structure. This should be called by the asset manager
- * only.
- * 
- * @param asset The asset structure to initialize.
- * @param filename The filename of the asset.
- * @return An error code.
+ * Initializes the asset system.
  */
-errorret_t assetInit(asset_t *asset, const char_t *filename);
+errorret_t assetInit(void);
 
 /**
- * Requests a lock on the given asset. This will increase the reference count
- * of the asset, and prevent it from being unloaded until all locks are
- * released.
+ * Loads an asset by its filename, the output type depends on the asset type.
  * 
- * @param asset The asset to lock.
- * @return A unique reference ID for the lock.
+ * @param filename The filename of the asset to retrieve.
+ * @param output The output pointer to store the loaded asset data.
+ * @return An error code if the asset could not be loaded.
  */
-ref_t assetLock(asset_t *asset);
+errorret_t assetLoad(const char_t *filename, void *output);
 
 /**
- * Releases a lock on the given asset. This will decrease the reference count
- * of the asset, and allow it to be unloaded if there are no more locks.
- * 
- * @param asset The asset to unlock.
- * @param ref The reference ID of the lock to release.
+ * Disposes/cleans up the asset system.
  */
-void assetUnlock(asset_t *asset, const ref_t ref);
-
-/**
- * Permission has been granted to load the asset data from disk. This should
- * only be called by the asset manager.
- * 
- * @param asset The asset to load.
- * @return An error code.
- */
-errorret_t assetLoad(asset_t *asset);
-
-/**
- * Disposes of the asset, freeing any allocated memory and closing any open
- * file handles. This should only be called by the asset manager.
- * 
- * @param asset The asset to dispose of.
- */
-errorret_t assetDispose(asset_t *asset);
+void assetDispose(void);

src/engine/engine.c

@@ -9,6 +9,7 @@
 #include "util/memory.h"
 #include "time/time.h"
 #include "input/input.h"
+#include "locale/localemanager.h"
 #include "display/display.h"
 #include "scene/scenemanager.h"
 #include "asset/assetmanager.h"
@@ -27,6 +28,7 @@ errorret_t engineInit(void) {
   // Init systems. Order is important.
   timeInit();
   inputInit();
+  localeManagerInit();
   errorChain(assetManagerInit());
   errorChain(displayInit());
   errorChain(uiInit());

src/error/error.h

@@ -21,7 +21,6 @@ typedef struct {
   errorstate_t *state;
 } errorret_t;
 
-
 static const errorcode_t ERROR_OK = 0;
 static const errorcode_t ERROR_NOT_OK = 1;
 

src/locale/CMakeLists.txt

@@ -6,5 +6,5 @@
 # Sources
 target_sources(${DUSK_TARGET_NAME}
   PRIVATE
-    language.c
+    localemanager.c
 )

src/locale/localemanager.c

@@ -0,0 +1,15 @@
+/**
+ * Copyright (c) 2025 Dominic Masters
+ * 
+ * This software is released under the MIT License.
+ * https://opensource.org/licenses/MIT
+ */
+
+#include "localemanager.h"
+#include "util/memory.h"
+
+localemanager_t LOCALE;
+
+void localeManagerInit() {
+  memoryZero(&LOCALE, sizeof(localemanager_t));
+}

src/locale/localemanager.h

@@ -0,0 +1,20 @@
+/**
+ * Copyright (c) 2025 Dominic Masters
+ * 
+ * This software is released under the MIT License.
+ * https://opensource.org/licenses/MIT
+ */
+
+#pragma once
+#include "dusk.h"
+
+typedef struct {
+  void *nothing;
+} localemanager_t;
+
+extern localemanager_t LOCALE;
+
+/**
+ * Initialize the locale system.
+ */
+void localeManagerInit();

src/main.c

@@ -6,7 +6,7 @@
  */
 
 #include "engine/engine.h"
-#include "asset/assetmanager.h"
+#include "asset/asset.h"
 #include "util/string.h"
 #include "input/input.h"
 
@@ -23,8 +23,8 @@ int main(int argc, char **argv) {
   // Setup system path on asset manager
   if(argc > 0) {
     stringCopy(
-      ASSET_MANAGER.systemPath, argv[0],
-      sizeof(ASSET_MANAGER.systemPath) / sizeof(char_t)
+      ASSET.systemPath, argv[0],
+      sizeof(ASSET.systemPath) / sizeof(char_t)
     );
   }
   

src/ui/ui.h

@@ -7,7 +7,7 @@
 
 #pragma once
 #include "dusk.h"
-#include "asset/assetmanager.h"
+#include "asset/asset.h"
 #include "display/tileset/tileset.h"
 #include "display/camera.h"
 

src/ui/uitext.h

@@ -6,7 +6,7 @@
  */
 
 #pragma once
-#include "asset/assetmanager.h"
+#include "asset/asset.h"
 #include "display/tileset/tileset_minogram.h"
 
 #define UI_TEXT_CHAR_START '!'

tools/assetstool/processpalette.py

@@ -36,7 +36,6 @@ def processPalette(asset):
 
   # PSP requires that the palette size be a power of two, so we will pad the
   # palette with transparent colors if needed.
-  # if args.platform == "psp":
   def mathNextPowTwo(x):
     return 1 << (x - 1).bit_length()
   
@@ -53,7 +52,7 @@ def processPalette(asset):
   data += f"static const color_t PALETTE_{paletteIndex}_COLORS[PALETTE_{paletteIndex}_COLOR_COUNT] = {{\n"
   for pixel in pixels:
     data += f"  {{ 0x{pixel[0]:02X}, 0x{pixel[1]:02X}, 0x{pixel[2]:02X}, 0x{pixel[3]:02X} }},\n"
-  data += f"}};\n\n"
+  data += f"}};\n"
   data += f"#pragma pack(pop)\n\n"
   data += f"static const palette_t PALETTE_{paletteIndex} = {{\n"
   data += f"  .colorCount = PALETTE_{paletteIndex}_COLOR_COUNT,\n"