Nuke error.hpp

src/CMakeLists.txt

@@ -48,7 +48,6 @@ add_subdirectory(asset)
 add_subdirectory(debug)
 add_subdirectory(display)
 add_subdirectory(engine)
-add_subdirectory(error)
 add_subdirectory(input)
 add_subdirectory(locale)
 add_subdirectory(rpg)

src/asset/asset.cpp

@@ -10,14 +10,16 @@
 #include "util/string.hpp"
 #include "assert/assert.hpp"
 #include "asset/assettype.h"
-#include "engine/engine.hpp"
+#include "engine/Engine.hpp"
 #include "debug/debug.hpp"
 
-errorret_t assetInit(void) {
+using namespace Dusk;
+
+void assetInit(void) {
   memoryZero(&ASSET, sizeof(asset_t));
   
   // Engine may have been provided the launch path
-  if(ENGINE.argc > 0) {
+  if(Engine::ENGINE.argc > 0) {
     // This first arg is the executable, so on most platforms it is say
     // "/path/file" or "C:\Path\file.exe". On PSP this would be something
     // like "ms0:/PSP/GAME/DUSK/EBOOT.PBP" or if we are debugging it is
@@ -25,7 +27,7 @@ errorret_t assetInit(void) {
 
     // Get the directory of the executable
     char_t buffer[FILENAME_MAX];
-    stringCopy(buffer, ENGINE.argv[0], FILENAME_MAX);
+    stringCopy(buffer, Engine::ENGINE.argv[0], FILENAME_MAX);
     size_t len = strlen(buffer);
 
     // Normalize slashes
@@ -69,20 +71,26 @@ errorret_t assetInit(void) {
       );
       ASSET.pbpFile = fopen(pbpPath, "rb");
       if(ASSET.pbpFile == NULL) {
-        errorThrow("Failed to open PBP file: %s", pbpPath);
+        throw std::runtime_error(
+          "Failed to open PBP file: " + std::string(pbpPath)
+        );
       }
 
       // Get size of PBP file.
       if(fseek(ASSET.pbpFile, 0, SEEK_END) != 0) {
         fclose(ASSET.pbpFile);
-        errorThrow("Failed to seek to end of PBP file : %s", pbpPath);
+        throw std::runtime_error(
+          "Failed to seek to end of PBP file : " + std::string(pbpPath)
+        );
       }
       size_t pbpSize = ftell(ASSET.pbpFile);
 
       // Rewind to start
       if(fseek(ASSET.pbpFile, 0, SEEK_SET) != 0) {
         fclose(ASSET.pbpFile);
-        errorThrow("Failed to seek to start of PBP file : %s", pbpPath);
+        throw std::runtime_error(
+          "Failed to seek to start of PBP file : " + std::string(pbpPath)
+        );
       }
 
       // Read the PBP header
@@ -94,7 +102,9 @@ errorret_t assetInit(void) {
       );
       if(read != sizeof(assetpbp_t)) {
         fclose(ASSET.pbpFile);
-        errorThrow("Failed to read PBP header", pbpPath);
+        throw std::runtime_error(
+          "Failed to read PBP header: " + std::string(pbpPath)
+        );
       }
 
       if(memoryCompare(
@@ -103,13 +113,17 @@ errorret_t assetInit(void) {
         sizeof(ASSET_PBP_SIGNATURE)
       ) != 0) {
         fclose(ASSET.pbpFile);
-        errorThrow("Invalid PBP signature in file: %s", pbpPath);
+        throw std::runtime_error(
+          "Invalid PBP signature in file: " + std::string(pbpPath)
+        );
       }
 
       // If we seek to the PSAR offset, we can read the WAD file from there
       if(fseek(ASSET.pbpFile, ASSET.pbpHeader.psarOffset, SEEK_SET) != 0) {
         fclose(ASSET.pbpFile);
-        errorThrow("Failed to seek to PSAR offset in PBP file: %s", pbpPath);
+        throw std::runtime_error(
+          "Failed to seek to PSAR offset in PBP file: " + std::string(pbpPath)
+        );
       }
 
       zip_uint64_t zipPsarOffset = (zip_uint64_t)ASSET.pbpHeader.psarOffset;
@@ -125,7 +139,9 @@ errorret_t assetInit(void) {
       );
       if(psarSource == NULL) {
         fclose(ASSET.pbpFile);
-        errorThrow("Failed to create zip source in PBP file: %s", pbpPath);
+        throw std::runtime_error(
+          "Failed to create zip source in PBP file: " + std::string(pbpPath)
+        );
       }
       
       ASSET.zip = zip_open_from_source(
@@ -136,7 +152,9 @@ errorret_t assetInit(void) {
       if(ASSET.zip == NULL) {
         zip_source_free(psarSource);
         fclose(ASSET.pbpFile);
-        errorThrow("Failed to open zip from PBP file: %s", pbpPath);
+        throw std::runtime_error(
+          "Failed to open zip from PBP file: " + std::string(pbpPath)
+        );
       }
 
       errorOk();
@@ -162,9 +180,7 @@ errorret_t assetInit(void) {
   } while(*(++path) != NULL);
   
   // Did we open the asset?
-  if(ASSET.zip == NULL) errorThrow("Failed to open asset file.");
-
-  errorOk();
+  if(ASSET.zip == NULL) throw std::runtime_error("Failed to open asset file.");
 }
 
 bool_t assetFileExists(const char_t *filename) {
@@ -175,14 +191,16 @@ bool_t assetFileExists(const char_t *filename) {
   return true;
 }
 
-errorret_t assetLoad(const char_t *filename, void *output) {
+void assetLoad(const char_t *filename, void *output) {
   assertStrLenMax(filename, FILENAME_MAX, "Filename too long.");
   assertNotNull(output, "Output pointer cannot be NULL.");
 
   // 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);
+    throw std::runtime_error(
+      "Failed to open asset file: " + std::string(filename)
+    );
   }
 
   // Read the header.
@@ -191,7 +209,9 @@ errorret_t assetLoad(const char_t *filename, void *output) {
   zip_int64_t bytesRead = zip_fread(file, &header, sizeof(assetheader_t));
   if(bytesRead != sizeof(assetheader_t)) {
     zip_fclose(file);
-    errorThrow("Failed to read asset header for: %s", filename);
+    throw std::runtime_error(
+      "Failed to read asset header for: " + std::string(filename)
+    );
   }
 
   // Find the asset type based on the header
@@ -215,7 +235,9 @@ errorret_t assetLoad(const char_t *filename, void *output) {
   }
   if(def == NULL) {
     zip_fclose(file);
-    errorThrow("Unknown asset type for file: %s", filename);
+    throw std::runtime_error(
+      "Unknown asset type for file: " + std::string(filename)
+    );
   }
 
   // We found the asset type, now load the asset data
@@ -227,16 +249,24 @@ errorret_t assetLoad(const char_t *filename, void *output) {
       if(bytesRead == 0 || bytesRead > def->dataSize) {
         memoryFree(data);
         zip_fclose(file);
-        errorThrow("Failed to read asset data for file: %s", filename);
+        throw std::runtime_error(
+          "Failed to read entire asset data for file: " +
+          std::string(filename)
+        );
       }
 
       // Close the file now we have the data
       zip_fclose(file);
 
       // Pass to the asset type loader
-      errorret_t ret = def->entire(data, output);
+      try {
+        def->entire(data, output);
+      } catch(...) {
+        memoryFree(data);
+        throw;
+      }
+
       memoryFree(data);
-      errorChain(ret);
       break;
     }
 
@@ -246,15 +276,13 @@ errorret_t assetLoad(const char_t *filename, void *output) {
         .zipFile = file,
         .output = output
       };
-      errorChain(def->custom(customData));
+      def->custom(customData);
       break;
     }
 
     default:
       assertUnreachable("Unknown asset load strategy.");
   }
-
-  errorOk();
 }
 
 void assetDispose(void) {

src/asset/asset.hpp

@@ -6,7 +6,6 @@
  */
 
 #pragma once
-#include "error/error.hpp"
 #include "assettype.h"
 
 #if ASSET_TYPE == wad
@@ -67,7 +66,7 @@ static asset_t ASSET;
 /**
  * Initializes the asset system.
  */
-errorret_t assetInit(void);
+void assetInit(void);
 
 /**
  * Checks if an asset file exists.
@@ -84,7 +83,7 @@ bool_t assetFileExists(const char_t *filename);
  * @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);
+void assetLoad(const char_t *filename, void *output);
 
 /**
  * Disposes/cleans up the asset system.

src/asset/assettype.h

@@ -41,8 +41,8 @@ typedef struct {
   const assetloadstrat_t loadStrategy;
   const size_t dataSize;
   union {
-    errorret_t (*entire)(void *data, void *output);
-    errorret_t (*custom)(assetcustom_t custom);
+    void (*entire)(void *data, void *output);
+    void (*custom)(assetcustom_t custom);
   };
 } assettypedef_t;
 

src/asset/type/assetalphaimage.cpp

@@ -9,7 +9,7 @@
 #include "assert/assert.hpp"
 #include "display/texture.hpp"
 
-errorret_t assetAlphaImageLoad(void *data, void *output) {
+void assetAlphaImageLoad(void *data, void *output) {
   assertNotNull(data, "Data pointer cannot be NULL.");
   assertNotNull(output, "Output pointer cannot be NULL.");
 
@@ -23,6 +23,4 @@ errorret_t assetAlphaImageLoad(void *data, void *output) {
     TEXTURE_FORMAT_ALPHA,
     (texturedata_t){ .alpha = { .data = dataPtr->pixels } }
   );
-
-  errorOk();
 }

src/asset/type/assetalphaimage.hpp

@@ -6,7 +6,7 @@
  */
 
 #pragma once
-#include "error/error.hpp"
+#include "dusk.hpp"
 
 #define ASSET_ALPHA_IMAGE_WIDTH_MAX 256
 #define ASSET_ALPHA_IMAGE_HEIGHT_MAX 256
@@ -27,6 +27,6 @@ typedef struct {
  * be of type ASSET_TYPE_ALPHA_IMAGE and must be loaded.
  * 
  * @param asset The asset to load the alpha image from.
- * @return An error code.
+ * @throws std::runtime_error if loading fails.
  */
-errorret_t assetAlphaImageLoad(void *data, void *output);
+void assetAlphaImageLoad(void *data, void *output);

src/asset/type/assetchunk.cpp

@@ -38,7 +38,7 @@ typedef struct {
 } assetchunkentityheader_t;
 #pragma pack(pop)
 
-errorret_t assetChunkLoad(assetcustom_t custom) {
+void assetChunkLoad(assetcustom_t custom) {
   assertNotNull(custom.output, "Output pointer cannot be NULL");
   assertNotNull(custom.zipFile, "Zip file pointer cannot be NULL");
 
@@ -52,33 +52,33 @@ errorret_t assetChunkLoad(assetcustom_t custom) {
   );
   if(bytesRead != sizeof(assetchunkheader_t)) {
     zip_fclose(custom.zipFile);
-    errorThrow("Failed to read chunk asset header.");
+    throw std::runtime_error("Failed to read chunk asset header.");
   }
 
   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
+    throw std::runtime_error(
+      "Chunk asset has invalid tile count: " +
+      std::to_string(header.tileCount) +
+      " (expected " + std::to_string(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
+    throw std::runtime_error(
+      "Chunk asset has too many models: " +
+      std::to_string(header.modelCount) +
+      " (max " + std::to_string(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
+    throw std::runtime_error(
+      "Chunk asset has too many entities: " +
+      std::to_string(header.entityCount) +
+      " (max " + std::to_string(CHUNK_ENTITY_COUNT_MAX) + ")."
     );
   }
 
@@ -92,7 +92,7 @@ errorret_t assetChunkLoad(assetcustom_t custom) {
   );
   if(bytesRead != sizeof(assetchunktiledata_t) * header.tileCount) {
     zip_fclose(custom.zipFile);
-    errorThrow("Failed to read chunk tile data.");
+    throw std::runtime_error("Failed to read chunk tile data.");
   }
 
   // For each model...
@@ -104,7 +104,7 @@ errorret_t assetChunkLoad(assetcustom_t custom) {
     );
     if(bytesRead != sizeof(assetchunkmodelheader_t)) {
       zip_fclose(custom.zipFile);
-      errorThrow("Failed to read chunk model header.");
+      throw std::runtime_error("Failed to read chunk model header.");
     }
 
     if(
@@ -112,7 +112,7 @@ errorret_t assetChunkLoad(assetcustom_t custom) {
       CHUNK_VERTEX_COUNT_MAX
     ) {
       zip_fclose(custom.zipFile);
-      errorThrow("Chunk model vertex count exceeds maximum.");
+      throw std::runtime_error("Chunk model vertex count exceeds maximum.");
     }
     
     // Read vertex data.
@@ -123,7 +123,7 @@ errorret_t assetChunkLoad(assetcustom_t custom) {
     );
     if(bytesRead != sizeof(meshvertex_t) * modelHeader.vertexCount) {
       zip_fclose(custom.zipFile);
-      errorThrow("Failed to read chunk model vertex data.");
+      throw std::runtime_error("Failed to read chunk model vertex data.");
     }
 
     // Init the mesh
@@ -150,13 +150,13 @@ errorret_t assetChunkLoad(assetcustom_t custom) {
     );
     if(bytesRead != sizeof(assetchunkentityheader_t)) {
       zip_fclose(custom.zipFile);
-      errorThrow("Failed to read chunk entity header.");
+      throw std::runtime_error("Failed to read chunk entity header.");
     }
 
     uint8_t entityIndex = entityGetAvailable();
     if(entityIndex == 0xFF) {
       zip_fclose(custom.zipFile);
-      errorThrow("No available entity slots.");
+      throw std::runtime_error("No available entity slots.");
     }
 
     entity_t *entity = &ENTITIES[entityIndex];
@@ -173,6 +173,4 @@ errorret_t assetChunkLoad(assetcustom_t custom) {
 
     chunk->entities[i] = entityIndex;
   }
-
-  errorOk();
 }

src/asset/type/assetchunk.hpp

@@ -6,7 +6,6 @@
  */
 
 #pragma once
-#include "error/error.hpp"
 #include "rpg/world/chunk.hpp"
 
 typedef struct assetcustom_s assetcustom_t;
@@ -15,6 +14,6 @@ typedef struct assetcustom_s assetcustom_t;
  * Handles loading of chunk data from a chunk asset file.
  * 
  * @param custom The custom asset loading parameters.
- * @return An error code.
+ * @throws std::runtime_error if loading fails.
  */
-errorret_t assetChunkLoad(assetcustom_t custom);
+void assetChunkLoad(assetcustom_t custom);

src/asset/type/assetlanguage.cpp

@@ -9,17 +9,15 @@
 #include "assert/assert.hpp"
 #include "locale/localemanager.hpp"
 
-errorret_t assetLanguageHandler(assetcustom_t custom) {
+void assetLanguageHandler(assetcustom_t custom) {
   assertNotNull(custom.zipFile, "Custom asset zip file cannot be NULL");
   assertNotNull(custom.output, "Custom asset output cannot be NULL");
 
   assetlanguage_t *lang = (assetlanguage_t *)custom.output;
-  errorChain(assetLanguageInit(lang, custom.zipFile));
-
-  errorOk();
+  assetLanguageInit(lang, custom.zipFile);
 }
 
-errorret_t assetLanguageInit(
+void assetLanguageInit(
   assetlanguage_t *lang,
   zip_file_t *zipFile
 ) {
@@ -40,19 +38,17 @@ errorret_t assetLanguageInit(
   );
   if(bytesRead != sizeof(assetlanguageheader_t)) {
     zip_fclose(lang->zip);
-    errorThrow("Failed to read language asset header.");
+    throw std::runtime_error("Failed to read language asset header.");
   }
 
   lang->chunksOffset = zip_ftell(lang->zip);
   if(lang->chunksOffset <= 0) {
     zip_fclose(lang->zip);
-    errorThrow("Failed to get language asset chunks offset.");
+    throw std::runtime_error("Failed to get language asset chunks offset.");
+  }
 }
 
-  errorOk();
-}
-
-errorret_t assetLanguageRead(
+void assetLanguageRead(
   assetlanguage_t *lang,
   const uint32_t key,
   char_t *buffer,
@@ -70,7 +66,7 @@ errorret_t assetLanguageRead(
   if(buffer == NULL) {
     assertNotNull(outLength, "Output length pointer cannot be NULL.");
     *outLength = str->length;
-    errorOk();
+    return;
   }
 
   // Ensure buffer is large enough
@@ -87,19 +83,19 @@ errorret_t assetLanguageRead(
   // Seek
   zip_int64_t result = zip_fseek(lang->zip, seekTo, SEEK_SET);
   if(result != 0) {
-    errorThrow("Failed to seek to language string in asset.");
+    throw std::runtime_error("Failed to seek to language string in asset.");
   }
 
   // Read
   zip_int64_t readTest = zip_fread(lang->zip, buffer, str->length);
   if(readTest != str->length) {
-    errorThrow("Failed to read test string from language asset.");
+    throw std::runtime_error("Failed to read test string from language asset.");
   }
   buffer[str->length] = '\0';
 
   // Set str length if requested
   if(outLength != NULL) *outLength = str->length;
-  errorOk();
+  return;
 }
 
 void assetLanguageDispose(assetlanguage_t *lang) {

src/asset/type/assetlanguage.hpp

@@ -7,7 +7,6 @@
 
 #pragma once
 #include "locale/language/keys.hpp"
-#include "error/error.hpp"
 #include "duskdefs.hpp"
 #include <zip.h>
 
@@ -47,18 +46,18 @@ typedef struct assetcustom_s assetcustom_t;
  * Receiving function from the asset manager to handle language assets.
  * 
  * @param custom Custom asset loading data.
- * @return Error code.
+ * @throws std::runtime_error if loading fails.
  */
-errorret_t assetLanguageHandler(assetcustom_t custom);
+void assetLanguageHandler(assetcustom_t custom);
 
 /**
  * Initializes a language asset and loads the header data into memory.
  * 
  * @param lang Language asset to initialize.
  * @param zipFile Zip file handle for the language asset.
- * @return Error code.
+ * @throws std::runtime_error if loading fails.
  */
-errorret_t assetLanguageInit(assetlanguage_t *lang, zip_file_t *zipFile);
+void assetLanguageInit(assetlanguage_t *lang, zip_file_t *zipFile);
 
 /**
  * Reads a string from the language asset into the provided buffer.
@@ -68,9 +67,9 @@ errorret_t assetLanguageInit(assetlanguage_t *lang, zip_file_t *zipFile);
  * @param buffer Buffer to read the string into.
  * @param bufferSize Size of the provided buffer.
  * @param outLength Pointer to store the length of the string read.
- * @return Error code.
+ * @throws std::runtime_error if loading fails.
  */
-errorret_t assetLanguageRead(
+void assetLanguageRead(
   assetlanguage_t *lang,
   const uint32_t key,
   char_t *buffer,
@@ -82,6 +81,6 @@ errorret_t assetLanguageRead(
  * Disposes of language asset resources.
  * 
  * @param custom Custom asset loading data.
- * @return Error code.
+ * @throws std::runtime_error if loading fails.
  */
 void assetLanguageDispose(assetlanguage_t *lang);

src/asset/type/assetmap.cpp

@@ -9,11 +9,9 @@
 #include "assert/assert.hpp"
 #include "util/memory.hpp"
 
-errorret_t assetMapLoad(void *data, void *output) {
+void assetMapLoad(void *data, void *output) {
   assertNotNull(data, "Data cannot be NULL");
   assertNotNull(output, "Output cannot be NULL");
 
   assertUnreachable("map not finished");
-
-  errorOk();
 }

src/asset/type/assetmap.hpp

@@ -6,7 +6,6 @@
  */
 
 #pragma once
-#include "error/error.hpp"
 #include "rpg/world/map.hpp"
 #include "display/mesh/mesh.hpp"
 
@@ -15,6 +14,6 @@
  *
  * @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.
+ * @throws std::runtime_error if loading fails.
  */
-errorret_t assetMapLoad(void *data, void *output);
+void assetMapLoad(void *data, void *output);

src/asset/type/assetpaletteimage.cpp

@@ -9,7 +9,7 @@
 #include "assert/assert.hpp"
 #include "display/texture.hpp"
 
-errorret_t assetPaletteImageLoad(void *data, void *output) {
+void assetPaletteImageLoad(void *data, void *output) {
   assertNotNull(data, "Data pointer cannot be NULL.");
   assertNotNull(output, "Output pointer cannot be NULL.");
 
@@ -28,6 +28,4 @@ errorret_t assetPaletteImageLoad(void *data, void *output) {
       }
     }
   );
-
-  errorOk();
 }

src/asset/type/assetpaletteimage.hpp

@@ -6,7 +6,7 @@
  */
 
 #pragma once
-#include "error/error.hpp"
+#include "dusk.hpp"
 
 #define ASSET_PALETTE_IMAGE_WIDTH_MAX 128
 #define ASSET_PALETTE_IMAGE_HEIGHT_MAX 128
@@ -29,6 +29,6 @@ typedef struct {
  *
  * @param data Pointer to the raw assetpaletteimage_t data.
  * @param output Pointer to the texture_t to load the image into.
- * @return An error code.
+ * @throws std::runtime_error if loading fails.
  */
-errorret_t assetPaletteImageLoad(void *data, void *output);
+void assetPaletteImageLoad(void *data, void *output);

src/asset/type/assetscript.cpp

@@ -8,17 +8,15 @@
 #include "asset/asset.hpp"
 #include "assert/assert.hpp"
 
-errorret_t assetScriptHandler(assetcustom_t custom) {
+void assetScriptHandler(assetcustom_t custom) {
   assertNotNull(custom.zipFile, "Custom asset zip file cannot be NULL");
   assertNotNull(custom.output, "Custom asset output cannot be NULL");
 
   assetscript_t *script = (assetscript_t *)custom.output;
-  errorChain(assetScriptInit(script, custom.zipFile));
-
-  errorOk();
+  assetScriptInit(script, custom.zipFile);
 }
 
-errorret_t assetScriptInit(
+void assetScriptInit(
   assetscript_t *script,
   zip_file_t *zipFile
 ) {
@@ -27,8 +25,6 @@ errorret_t assetScriptInit(
 
   // We now own the zip file handle.
   script->zip = zipFile;
-
-  errorOk();
 }
 
 const char_t * assetScriptReader(lua_State* lState, void* data, size_t* size) {
@@ -46,13 +42,11 @@ const char_t * assetScriptReader(lua_State* lState, void* data, size_t* size) {
   return script->buffer;
 }
 
-errorret_t assetScriptDispose(assetscript_t *script) {
+void assetScriptDispose(assetscript_t *script) {
   assertNotNull(script, "Script asset cannot be NULL");
 
   if(script->zip != NULL) {
     zip_fclose(script->zip);
     script->zip = NULL;
   }
-
-  errorOk();
 }

src/asset/type/assetscript.hpp

@@ -6,7 +6,7 @@
  */
 
 #pragma once
-#include "error/error.hpp"
+#include "dusk.hpp"
 #include "duskdefs.hpp"
 #include <zip.h>
 #include "script/scriptcontext.hpp"
@@ -24,18 +24,18 @@ typedef struct assetcustom_s assetcustom_t;
  * Receiving function from the asset manager to handle script assets.
  * 
  * @param custom Custom asset loading data.
- * @return Error code.
+ * @throws std::runtime_error on failure.
  */
-errorret_t assetScriptHandler(assetcustom_t custom);
+void assetScriptHandler(assetcustom_t custom);
 
 /**
  * Initializes a script asset.
  * 
  * @param script Script asset to initialize.
  * @param zipFile Zip file handle for the script asset.
- * @return Error code.
+ * @throws std::runtime_error on failure.
  */
-errorret_t assetScriptInit(assetscript_t *script, zip_file_t *zipFile);
+void assetScriptInit(assetscript_t *script, zip_file_t *zipFile);
 
 /**
  * Reader function for Lua to read script data from the asset.
@@ -51,7 +51,7 @@ const char_t * assetScriptReader(lua_State* L, void* data, size_t* size);
  * Disposes of a script asset, freeing any allocated resources.
  * 
  * @param script Script asset to dispose of.
- * @return Error code.
+ * @throws std::runtime_error on failure.
  */
-errorret_t assetScriptDispose(assetscript_t *script);
+void assetScriptDispose(assetscript_t *script);
 

src/display/display.cpp

@@ -6,7 +6,7 @@
  */
 
 #include "display/display.hpp"
-#include "engine/engine.hpp"
+#include "engine/Engine.hpp"
 #include "display/framebuffer.hpp"
 #include "scene/scenemanager.hpp"
 #include "display/spritebatch.hpp"
@@ -15,16 +15,20 @@
 #include "ui/ui.hpp"
 #include "debug/debug.hpp"
 
+using namespace Dusk;
+
 display_t DISPLAY;
 
-errorret_t displayInit(void) {
+void displayInit(void) {
   #if DISPLAY_SDL2
     uint32_t flags = SDL_INIT_VIDEO;
     #if INPUT_GAMEPAD == 1
       flags |= SDL_INIT_GAMECONTROLLER | SDL_INIT_JOYSTICK;
     #endif
     if(SDL_Init(flags) != 0) {
-      errorThrow("SDL Failed to Initialize: %s", SDL_GetError());
+      throw std::runtime_error(
+        "SDL Failed to Initialize " + std::string(SDL_GetError())
+      );
     }
 
     // Set OpenGL attributes (Needs to be done now or later?)
@@ -41,13 +45,17 @@ errorret_t displayInit(void) {
       SDL_WINDOW_OPENGL
     );
     if(!DISPLAY.window) {
-      errorThrow("SDL_CreateWindow failed: %s", SDL_GetError());
+      throw std::runtime_error(
+        "SDL_CreateWindow failed: " + std::string(SDL_GetError())
+      );
     }
 
     // Create OpenGL context
     DISPLAY.glContext = SDL_GL_CreateContext(DISPLAY.window);
     if(!DISPLAY.glContext) {
-      errorThrow("SDL_GL_CreateContext failed: %s", SDL_GetError());
+      throw std::runtime_error(
+        "SDL_GL_CreateContext failed: " + std::string(SDL_GetError())
+      );
     }
 
     SDL_GL_SetSwapInterval(1);
@@ -74,24 +82,22 @@ errorret_t displayInit(void) {
   frameBufferInitBackbuffer();
   spriteBatchInit();
   screenInit();
-
-  errorOk();
 }
 
-errorret_t displayUpdate(void) {
+void displayUpdate(void) {
   #if DISPLAY_SDL2
     SDL_Event event;
     while(SDL_PollEvent(&event)) {
       switch(event.type) {
         case SDL_QUIT: {
-          ENGINE.running = false;
+          Engine::ENGINE.exit();
           break;
         }
 
         case SDL_WINDOWEVENT: {
           switch(event.window.event) {
             case SDL_WINDOWEVENT_CLOSE: {
-              ENGINE.running = false;
+              Engine::ENGINE.exit();
               break;
             }
             
@@ -136,12 +142,9 @@ errorret_t displayUpdate(void) {
   while((err = glGetError()) != GL_NO_ERROR) {
     debugPrint("GL Error: %d\n", err);
   }
-
-  // For now, we just return an OK error.
-  errorOk();
 }
 
-errorret_t displayDispose(void) {
+void displayDispose(void) {
   spriteBatchDispose();
   screenDispose();
 
@@ -156,7 +159,4 @@ errorret_t displayDispose(void) {
     }
     SDL_Quit();
   #endif
-
-  // For now, we just return an OK error.
-  errorOk();
 }

src/display/display.hpp

@@ -7,7 +7,6 @@
 
 #pragma once
 #include "displaydefs.hpp"
-#include "error/error.hpp"
 #include "display/camera.hpp"
 #include "display/framebuffer.hpp"
 
@@ -23,14 +22,14 @@ extern display_t DISPLAY;
 /**
  * Initializes the display system.
  */
-errorret_t displayInit(void);
+void displayInit(void);
 
 /**
  * Tells the display system to actually draw the frame.
  */
-errorret_t displayUpdate(void);
+void displayUpdate(void);
 
 /**
  * Disposes of the display system.
  */
-errorret_t displayDispose(void);
+void displayDispose(void);

src/dusk.hpp

@@ -36,3 +36,10 @@ extern "C" {
   typedef float float_t;
   typedef char char_t;
 }
+
+#include <string>
+#include <vector>
+#include <map>
+#include <stdexcept>
+#include <functional>
+#include <memory>

src/engine/CMakeLists.txt

@@ -6,5 +6,5 @@
 # Sources
 target_sources(${DUSK_TARGET_NAME}
   PRIVATE
-    engine.cpp
+    Engine.cpp
 )

src/engine/Engine.cpp

@@ -0,0 +1,83 @@
+/**
+ * Copyright (c) 2025 Dominic Masters
+ * 
+ * This software is released under the MIT License.
+ * https://opensource.org/licenses/MIT
+ */
+
+#include "Engine.hpp"
+#include "util/memory.hpp"
+#include "time/time.hpp"
+#include "input/input.hpp"
+#include "locale/localemanager.hpp"
+#include "display/display.hpp"
+#include "scene/scenemanager.hpp"
+#include "asset/asset.hpp"
+#include "ui/ui.hpp"
+#include "rpg/rpg.hpp"
+#include "script/scriptmanager.hpp"
+#include "debug/debug.hpp"
+#include "script/scriptcontext.hpp"
+
+using namespace Dusk;
+
+Engine Engine::ENGINE;
+
+Engine::Engine() :
+  running(false),
+  argc(0),
+  argv(nullptr)
+{
+}
+
+void Engine::init(const int32_t argc, const char_t **argv) {
+  this->running = true;
+  this->argc = argc;
+  this->argv = argv;
+
+  // Init systems. Order is important.
+  timeInit();
+  inputInit();
+  assetInit();
+  localeManagerInit();
+  scriptManagerInit();
+  displayInit();
+  uiInit();
+  rpgInit();
+  sceneManagerInit();
+
+  // Run the initial script.
+  scriptcontext_t testCtx;
+  scriptContextInit(&testCtx);
+  scriptContextExecFile(&testCtx, "script/test.dsf");
+  scriptContextDispose(&testCtx);
+}
+
+void Engine::update() {
+  timeUpdate();
+  inputUpdate();
+
+  rpgUpdate();
+  uiUpdate();
+  sceneManagerUpdate();
+  displayUpdate();
+
+  if(inputPressed(INPUT_ACTION_RAGEQUIT)) this->running = false;
+}
+
+void Engine::dispose() {
+  localeManagerDispose();
+  sceneManagerDispose();
+  rpgDispose();
+  uiDispose();
+  displayDispose();
+  assetDispose();
+}
+
+void Engine::exit() {
+  this->running = false;
+}
+
+bool_t Engine::isRunning() {
+  return this->running;
+}

src/engine/Engine.hpp

@@ -0,0 +1,56 @@
+/**
+ * Copyright (c) 2025 Dominic Masters
+ * 
+ * This software is released under the MIT License.
+ * https://opensource.org/licenses/MIT
+ */
+
+#pragma once
+#include "display/display.hpp"// Important to be included first.
+
+namespace Dusk {
+  struct Engine {
+    private:
+      bool running;
+
+    public:
+      static Engine ENGINE;
+      int32_t argc;
+      const char_t **argv;
+
+      /**
+       * Initializes the engine.
+       */
+      Engine();
+
+      /**
+       * Initializes the engine.
+       * 
+       * @param argc The argument count from main().
+       * @param argv The argument vector from main().
+       */
+      void init(const int32_t argc, const char_t **argv);
+      
+      /**
+       * Updates the engine.
+       */
+      void update();
+
+      /**
+       * Disposes of the engine.
+       */
+      void dispose();
+
+      /**
+       * Requests the engine to exit.
+       */
+      void exit();
+
+      /**
+       * Returns whether the engine is exiting or running.
+       * 
+       * @return True if the engine is running, false otherwise.
+       */
+      bool_t isRunning();
+  };
+}

src/engine/engine.cpp

@@ -1,80 +0,0 @@
-/**
- * Copyright (c) 2025 Dominic Masters
- * 
- * This software is released under the MIT License.
- * https://opensource.org/licenses/MIT
- */
-
-#include "engine.hpp"
-#include "util/memory.hpp"
-#include "time/time.hpp"
-#include "input/input.hpp"
-#include "locale/localemanager.hpp"
-#include "display/display.hpp"
-#include "scene/scenemanager.hpp"
-#include "asset/asset.hpp"
-#include "ui/ui.hpp"
-#include "rpg/rpg.hpp"
-#include "script/scriptmanager.hpp"
-#include "debug/debug.hpp"
-
-#include "script/scriptcontext.hpp"
-
-engine_t ENGINE;
-
-errorret_t engineInit(const int32_t argc, const char_t **argv) {
-  memoryZero(&ENGINE, sizeof(engine_t));
-  ENGINE.running = true;
-  ENGINE.argc = argc;
-  ENGINE.argv = argv;
-
-
-  // Init systems. Order is important.
-  timeInit();
-  inputInit();
-  errorChain(assetInit());
-  errorChain(localeManagerInit());
-  errorChain(scriptManagerInit());
-  errorChain(displayInit());
-  errorChain(uiInit());
-  errorChain(rpgInit());
-  errorChain(sceneManagerInit());
-
-  // Run the initial script.
-
-
-  scriptcontext_t testCtx;
-  errorChain(scriptContextInit(&testCtx));
-  errorChain(scriptContextExecFile(&testCtx, "script/test.dsf"));
-  scriptContextDispose(&testCtx);
-
-  errorOk();
-}
-
-errorret_t engineUpdate(void) {
-  timeUpdate();
-  inputUpdate();
-
-  errorChain(rpgUpdate());
-  uiUpdate();
-  sceneManagerUpdate();
-  errorChain(displayUpdate());
-
-  if(inputPressed(INPUT_ACTION_RAGEQUIT)) ENGINE.running = false;
-
-  errorOk();
-}
-
-void engineExit(void) {
-  ENGINE.running = false;
-}
-
-errorret_t engineDispose(void) {
-  localeManagerDispose();
-  sceneManagerDispose();
-  rpgDispose();
-  uiDispose();
-  errorChain(displayDispose());
-  assetDispose();
-  errorOk();
-}

src/engine/engine.hpp

@@ -1,36 +0,0 @@
-/**
- * Copyright (c) 2025 Dominic Masters
- * 
- * This software is released under the MIT License.
- * https://opensource.org/licenses/MIT
- */
-
-#pragma once
-#include "display/display.hpp"// Important to be included first.
-#include "error/error.hpp"
-
-typedef struct {
-  bool_t running;
-  int32_t argc;
-  const char_t **argv;
-} engine_t;
-
-extern engine_t ENGINE;
-
-/**
- * Initializes the engine.
- * 
- * @param argc The argument count from main().
- * @param argv The argument vector from main().
- */
-errorret_t engineInit(const int32_t argc, const char_t **argv);
-
-/**
- * Updates the engine.
- */
-errorret_t engineUpdate(void);
-
-/**
- * Shuts down the engine.
- */
-errorret_t engineDispose(void);

src/error/CMakeLists.txt

@@ -1,10 +0,0 @@
-# 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
-    error.cpp
-)

src/error/error.cpp

@@ -1,133 +0,0 @@
-/**
- * Copyright (c) 2025 Dominic Masters
- * 
- * This software is released under the MIT License.
- * https://opensource.org/licenses/MIT
- */
-
-#include "assert/assert.hpp"
-#include "error.hpp"
-#include "util/memory.hpp"
-#include "util/string.hpp"
-#include "debug/debug.hpp"
-
-errorstate_t ERROR_STATE = { 0 };
-
-errorret_t errorThrowImpl(
-  errorstate_t *state,
-  errorcode_t code,
-  const char_t *file,
-  const char_t *function,
-  const int32_t line,
-  const char_t *message,
-  ...
-) {
-  assertNotNull(state, "Error state cannot be NULL");
-  assertTrue(code != ERROR_OK, "Error code must not be OK");
-  assertNotNull(file, "File cannot be NULL");
-  assertNotNull(function, "Function cannot be NULL");
-  assertTrue(line >= 0, "File pointer must be valid");
-  assertNotNull(message, "Message cannot be NULL");
-
-  memoryZero(state, sizeof(errorstate_t));
-  state->code = code;
-
-  // Format args.
-  va_list args;
-  va_start(args, message);
-  
-  // Get length of formatted message
-  va_list argsCopy;
-  va_copy(argsCopy, args);
-  int32_t len = stringFormatVA(NULL, 0, message, argsCopy);
-  va_end(argsCopy);
-
-  // Create string to hold the formatted message
-  state->message = (char_t *)memoryAllocate(len + 1);
-  stringFormatVA(state->message, len + 1, message, args);
-  va_end(args);
-
-  // Format lines
-  len = stringFormat(NULL, 0, ERROR_LINE_FORMAT, file, line, function);
-  assertTrue(len >= 0, "Line formatting failed");
-  state->lines = (char_t *)memoryAllocate(len + 1);
-  stringFormat(state->lines, len + 1, ERROR_LINE_FORMAT, file, line, function);
-
-  return (errorret_t) {
-    .code = code,
-    .state = state
-  };
-}
-
-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
-  };
-}
-
-errorret_t errorChainImpl(
-  const errorret_t retval,
-  const char_t *file,
-  const char_t *function,
-  const int32_t line
-) {
-  if(retval.code == ERROR_OK) return retval;
-
-  assertNotNull(retval.state, "Error state NULL (Likely missing errorOk)");
-  assertNotNull(retval.state->message, "Message cannot be NULL");
-
-  // Create a new line string.
-  int32_t newLineLen = snprintf(NULL, 0, ERROR_LINE_FORMAT, file, line, function);
-  assertTrue(newLineLen >= 0, "Line formatting failed");
-  char_t *newLine = (char_t *)memoryAllocate(newLineLen + 1);
-  snprintf(newLine, newLineLen + 1, ERROR_LINE_FORMAT, file, line, function);
-
-  // Resize the existing lines to accommodate the new line
-  size_t existingLen = strlen(retval.state->lines);
-  memoryResize(
-    (void**)&retval.state->lines,
-    existingLen,
-    existingLen + newLineLen + 1
-  );
-
-  // Now append the new line to the existing lines
-  memoryCopy(
-    retval.state->lines + existingLen,
-    newLine,
-    newLineLen + 1
-  );
-
-  // Cleanup the temporary new line
-  memoryFree(newLine);
-  return retval;
-}
-
-void errorCatch(const errorret_t retval) {
-  if(retval.code == ERROR_OK) return;
-
-  assertNotNull(retval.state, "Error state cannot be NULL");
-  assertNotNull(retval.state->message, "Message cannot be NULL");
-
-  memoryFree((void*)retval.state->message);
-}
-
-errorret_t errorPrint(const errorret_t retval) {
-  if(retval.code == ERROR_OK) return retval;
-
-  assertNotNull(retval.state, "Error state cannot be NULL");
-  assertNotNull(retval.state->message, "Message cannot be NULL");
-
-  debugPrint(
-    ERROR_PRINT_FORMAT,
-    retval.state->code,
-    retval.state->message,
-    retval.state->lines
-  );
-  return retval;
-}

src/error/error.hpp

@@ -1,165 +0,0 @@
-/**
- * Copyright (c) 2025 Dominic Masters
- * 
- * This software is released under the MIT License.
- * https://opensource.org/licenses/MIT
- */
-
-#pragma once
-#include "dusk.hpp"
-
-typedef uint8_t errorcode_t;
-
-typedef struct {
-  errorcode_t code;
-  char_t *message;
-  char_t *lines;
-} errorstate_t;
-
-typedef struct {
-  errorcode_t code;
-  errorstate_t *state;
-} errorret_t;
-
-static const errorcode_t ERROR_OK = 0;
-static const errorcode_t ERROR_NOT_OK = 1;
-
-static const char_t *ERROR_PRINT_FORMAT = "Error (%d): %s\n%s";
-static const char_t *ERROR_LINE_FORMAT = "  at %s:%d in function %s\n";
-extern errorstate_t ERROR_STATE;
-
-/**
- * Sets the error state with the provided code and message.
- * 
- * @param state The error state to initialize.
- * @param code The error code to set.
- * @param file The file where the error occurred.
- * @param function The function where the error occurred.
- * @param line The line number where the error occurred.
- * @param message The error message.
- * @param args The arguments for the error message.
- * @return The error code.
- */
-errorret_t errorThrowImpl(
-  errorstate_t *state,
-  errorcode_t code,
-  const char_t *file,
-  const char_t *function,
-  const int32_t line,
-  const char_t *message,
-  ...
-);
-
-/**
- * Returns an error state with no error.
- * 
- * @return An error state with code ERROR_OK.
- */
-errorret_t errorOkImpl();
-
-/**
- * Chains an error state, allowing for error propagation.
- * 
- * @param retval The return value containing the error state.
- * @param file The file where the error occurred.
- * @param function The function where the error occurred.
- * @param line The line number where the error occurred.
- * @return The error code if an error occurred, otherwise continues execution.
- */
-errorret_t errorChainImpl(
-  const errorret_t retval,
-  const char_t *file,
-  const char_t *function,
-  const int32_t line
-);
-
-/**
- * Catches an error and handles it.
- * 
- * @param retval The return value containing the error state.
- */
-void errorCatch(const errorret_t retval);
-
-/**
- * Prints the error state to the console.
- * 
- * @param retval The return value containing the error state.
- * @return Passed retval for chaining.
- */
-errorret_t errorPrint(const errorret_t retval);
-
-/**
- * Creates an error with a specific error state.
- * 
- * @param state The error state to set.
- * @param message The format string for the error message.
- * @param ... Additional arguments for the format string.
- * @return The error code.
- */
-#define errorCreate(state, message, ... ) \
-  errorThrowImpl(\
-    (state), ERROR_NOT_OK, __FILE__, __func__, __LINE__, (message), \
-    ##__VA_ARGS__ \
-  )
-
-/**
- * Throws an error with a specific error state.
- * 
- * @param state The error state to set.
- * @param message The format string for the error message.
- * @param ... Additional arguments for the format string.
- * @return The error code.
- */
-#define errorThrowState(state, message, ... ) \
-  return errorThrowImpl(\
-    (state), ERROR_NOT_OK, __FILE__, __func__, __LINE__, (message), \
-    ##__VA_ARGS__ \
-  )
-
-/**
- * Throws an error with a formatted message.
- * 
- * @param code The error code to throw.
- * @param message The format string for the error message.
- * @param ... Additional arguments for the format string.
- * @return The error code.
- */
-#define errorThrowWithCode(code, message, ... ) \
-  return errorThrowImpl(\
-    &ERROR_STATE, (code), __FILE__, __func__, __LINE__, (message), \
-    __VA_ARGS__ \
-  )
-
-/**
- * Throws an error with a default error code of ERROR_NOT_OK.
- * 
- * @param message The format string for the error message.
- * @param ... Additional arguments for the format string.
- * @return The error code.
- */
-#define errorThrow(message, ...) \
-  return errorThrowImpl(\
-    &ERROR_STATE, ERROR_NOT_OK, __FILE__, __func__, __LINE__, (message), \
-    ##__VA_ARGS__ \
-  )
-
-/**
- * Checks if a child method errored, and if it did, then send it up the chain.
- * @param retval The return value containing the error state.
- * @return The error code if an error occurred, otherwise continues execution.
- */
-#define errorChain(retval) { \
-  errorret_t errorChainRetval = (retval); \
-  if(errorChainRetval.code != ERROR_OK) { \
-    return errorChainImpl(errorChainRetval, __FILE__, __func__, __LINE__); \
-  } \
-}
-  
-
-/**
- * Returns without an error.
- */
-#define errorOk() \
-  return errorOkImpl()
-
-// EOF

src/locale/localemanager.cpp

@@ -12,13 +12,12 @@
 
 localemanager_t LOCALE;
 
-errorret_t localeManagerInit() {
+void localeManagerInit() {
   memoryZero(&LOCALE, sizeof(localemanager_t));
-  errorChain(localeManagerSetLocale(DUSK_LOCALE_EN_US));
-  errorOk();
+  localeManagerSetLocale(DUSK_LOCALE_EN_US);
 }
 
-errorret_t localeManagerSetLocale(const dusklocale_t locale) {
+void localeManagerSetLocale(const dusklocale_t locale) {
   assertTrue(locale < DUSK_LOCALE_COUNT, "Invalid locale.");
   LOCALE.locale = locale;
   char_t languageFile[FILENAME_MAX];
@@ -27,8 +26,7 @@ errorret_t localeManagerSetLocale(const dusklocale_t locale) {
   );
   assetLanguageDispose(&LOCALE.language);
   memoryZero(&LOCALE.language, sizeof(assetlanguage_t));
-  errorChain(assetLoad(languageFile, &LOCALE.language));
-  errorOk();
+  assetLoad(languageFile, &LOCALE.language);
 }
 
 void localeManagerDispose() {

src/locale/localemanager.hpp

@@ -35,17 +35,17 @@ extern localemanager_t LOCALE;
 /**
  * Initialize the locale system.
  * 
- * @return An error code if a failure occurs.
+ * @throws std::runtime_error if initialization fails.
  */
-errorret_t localeManagerInit();
+void localeManagerInit();
 
 /**
  * Set the current locale.
  * 
  * @param locale The locale to set.
- * @return An error code if a failure occurs.
+ * @throws std::runtime_error if setting the locale fails.
  */
-errorret_t localeManagerSetLocale(const dusklocale_t locale);
+void localeManagerSetLocale(const dusklocale_t locale);
 
 /**
  * Dispose of the locale system.

src/main.cpp

@@ -5,35 +5,34 @@
  * https://opensource.org/licenses/MIT
  */
 
-#include "engine/engine.hpp"
-#include "asset/asset.hpp"
-#include "util/string.hpp"
-#include "input/input.hpp"
+#include "engine/Engine.hpp"
+
+using namespace Dusk;
 
 int main(int argc, char **argv) {
-  // Main applet
-  errorret_t ret;
-
   // Init engine
-  ret = engineInit(argc, (const char_t **)argv);
-  if(ret.code != ERROR_OK) {
-    errorCatch(errorPrint(ret));
-    return ret.code;
+  try {
+    Engine::ENGINE.init(argc, (const char_t **)argv);
+  } catch (const std::runtime_error &e) {
+    std::fprintf(stderr, "Fatal error during engine initialization: %s\n", e.what());
+    return 1;
   }
   
   // Begin main loop
+  try {
     do {
-    ret = engineUpdate();
-    if(ret.code != ERROR_OK) {
-      errorCatch(errorPrint(ret));
-      return ret.code;
+      Engine::ENGINE.update();
+    } while(Engine::ENGINE.isRunning());
+  } catch (const std::runtime_error &e) {
+    std::fprintf(stderr, "Fatal error during engine update: %s\n", e.what());
+    return 1;
   }
-  } while(ENGINE.running);
 
-  ret = engineDispose();
-  if(ret.code != ERROR_OK) {
-    errorCatch(errorPrint(ret));
-    return ret.code;
+  try {
+    Engine::ENGINE.exit();
+  } catch (const std::runtime_error &e) {
+    std::fprintf(stderr, "Fatal error during engine exit: %s\n", e.what());
+    return 1;
   }
   
   return 0;

src/rpg/rpg.cpp

@@ -15,13 +15,13 @@
 #include "util/memory.hpp"
 #include "assert/assert.hpp"
 
-errorret_t rpgInit(void) {
+void rpgInit(void) {
   memoryZero(ENTITIES, sizeof(ENTITIES));
 
   // Init cutscene subsystem
   cutsceneSystemInit();
 
-  errorChain(mapInit());
+  mapInit();
 
   rpgCameraInit();
   rpgTextboxInit();
@@ -34,16 +34,11 @@ errorret_t rpgInit(void) {
   // RPG_CAMERA.mode = RPG_CAMERA_MODE_FOLLOW_ENTITY;
   // RPG_CAMERA.followEntity.followEntityId = ent->id;
   // ent->position.x = 2, ent->position.y = 2;
-
-  // All Good!
-  errorOk();
 }
 
-errorret_t rpgUpdate(void) {
+void rpgUpdate(void) {
   #if TIME_FIXED == 0
-    if(TIME.dynamicUpdate) {
-      errorOk();
-    }
+    if(TIME.dynamicUpdate) return;
   #endif
 
   // TODO: Do not update if the scene is not the map scene?
@@ -57,8 +52,7 @@ errorret_t rpgUpdate(void) {
   } while(++ent < &ENTITIES[ENTITY_COUNT]);
 
   cutsceneSystemUpdate();
-  errorChain(rpgCameraUpdate());
-  errorOk();
+  rpgCameraUpdate();
 }
 
 void rpgDispose(void) {

src/rpg/rpg.hpp

@@ -6,7 +6,7 @@
  */
 
 #pragma once
-#include "error/error.hpp"
+#include "dusk.hpp"
 
 typedef struct {
   int32_t nothing;
@@ -17,14 +17,14 @@ typedef struct {
  * 
  * @return An error code and state.
  */
-errorret_t rpgInit(void);
+void rpgInit(void);
 
 /**
  * Update the RPG subsystem.
  * 
  * @return An error code.
  */
-errorret_t rpgUpdate(void);
+void rpgUpdate(void);
 
 /**
  * Dispose of the RPG subsystem.

src/rpg/rpgcamera.cpp

@@ -17,7 +17,7 @@ void rpgCameraInit(void) {
   memoryZero(&RPG_CAMERA, sizeof(rpgcamera_t));
 }
 
-errorret_t rpgCameraUpdate(void) {
+void rpgCameraUpdate(void) {
   chunkpos_t chunkPos;
 
   switch(RPG_CAMERA.mode) {
@@ -27,9 +27,7 @@ errorret_t rpgCameraUpdate(void) {
 
     case RPG_CAMERA_MODE_FOLLOW_ENTITY: {
       entity_t *entity = &ENTITIES[RPG_CAMERA.followEntity.followEntityId];
-      if(entity->type == ENTITY_TYPE_NULL) {
-        errorOk();
-      }
+      if(entity->type == ENTITY_TYPE_NULL) return;
 
       // Update map position to match camera. By default map wants to know the
       // top left but we want to set the center, so we need to sub half map size
@@ -41,10 +39,9 @@ errorret_t rpgCameraUpdate(void) {
       assertUnreachable("Invalid RPG camera mode");
   }
   
-  errorChain(mapPositionSet((chunkpos_t){
+  mapPositionSet((chunkpos_t){
     .x = chunkPos.x - (MAP_CHUNK_WIDTH / 2),
     .y = chunkPos.y - (MAP_CHUNK_HEIGHT / 2),
     .z = chunkPos.z - (MAP_CHUNK_DEPTH / 2)
-  }));
-  errorOk();
+  });
 }

src/rpg/rpgcamera.hpp

@@ -7,7 +7,6 @@
 
 #pragma once
 #include "rpg/world/worldpos.hpp"
-#include "error/error.hpp"
 
 typedef enum {
   RPG_CAMERA_MODE_FREE,
@@ -35,6 +34,6 @@ void rpgCameraInit(void);
 /**
  * Updates the RPG camera.
  * 
- * @return An error code.
+ * @throws std::runtime_error if map position setting fails.
  */
-errorret_t rpgCameraUpdate(void);
+void rpgCameraUpdate(void);

src/rpg/world/map.cpp

@@ -13,7 +13,7 @@
 
 map_t MAP;
 
-errorret_t mapInit() {
+void mapInit() {
   memoryZero(&MAP, sizeof(map_t));
 
   // Init the default chunks. In future I'll probably make this based on where
@@ -27,20 +27,16 @@ errorret_t mapInit() {
         chunk->position.y = y;
         chunk->position.z = z;
         MAP.chunkOrder[index] = chunk;
-        errorChain(mapChunkLoad(chunk));
+        mapChunkLoad(chunk);
         index++;
       }
     }
   }
-
-  errorOk();
 }
 
-errorret_t mapPositionSet(const chunkpos_t newPos) {
+void mapPositionSet(const chunkpos_t newPos) {
   const chunkpos_t curPos = MAP.chunkPosition;
-  if(chunkPositionIsEqual(curPos, newPos)) {
-    errorOk();
-  }
+  if(chunkPositionIsEqual(curPos, newPos)) return;
 
   // Determine which chunks remain loaded
   chunkindex_t chunksRemaining[MAP_CHUNK_COUNT] = {0};
@@ -102,7 +98,7 @@ errorret_t mapPositionSet(const chunkpos_t newPos) {
           chunkIndex = chunksFreed[--freedCount];
           chunk_t *chunk = &MAP.chunks[chunkIndex];
           chunk->position = newChunkPos;
-          errorChain(mapChunkLoad(chunk));
+          mapChunkLoad(chunk);
         }
 
         MAP.chunkOrder[orderIndex++] = &MAP.chunks[chunkIndex];
@@ -112,8 +108,6 @@ errorret_t mapPositionSet(const chunkpos_t newPos) {
 
   // Update map position
   MAP.chunkPosition = newPos;
-
-  errorOk();
 }
 
 void mapUpdate() {
@@ -138,7 +132,7 @@ void mapChunkUnload(chunk_t* chunk) {
   }
 }
 
-errorret_t mapChunkLoad(chunk_t* chunk) {
+void mapChunkLoad(chunk_t* chunk) {
   char_t buffer[64];
 
   chunk->meshCount = 0;
@@ -153,11 +147,10 @@ errorret_t mapChunkLoad(chunk_t* chunk) {
 
   if(!assetFileExists(buffer)) {
     memoryZero(chunk->tiles, sizeof(chunk->tiles));
-    errorOk();
+    return;
   }
 
-  errorChain(assetLoad(buffer, chunk));
-  errorOk();
+  assetLoad(buffer, chunk);
 }
 
 chunkindex_t mapGetChunkIndexAt(const chunkpos_t position) {

src/rpg/world/map.hpp

@@ -19,9 +19,9 @@ extern map_t MAP;
 /**
  * Initializes the map.
  * 
- * @return An error code.
+ * @throws std::runtime_error if chunk loading fails.
  */
-errorret_t mapInit();
+void mapInit();
 
 /**
  * Updates the map.
@@ -37,9 +37,9 @@ void mapDispose();
  * Sets the map position and updates chunks accordingly.
  * 
  * @param newPos The new chunk position.
- * @return An error code.
+ * @throws std::runtime_error if chunk loading fails.
  */
-errorret_t mapPositionSet(const chunkpos_t newPos);
+void mapPositionSet(const chunkpos_t newPos);
 
 /**
  * Unloads a chunk.
@@ -52,9 +52,9 @@ void mapChunkUnload(chunk_t* chunk);
  * Loads a chunk.
  * 
  * @param chunk The chunk to load.
- * @return An error code.
+ * @throws std::runtime_error if chunk loading fails.
  */
-errorret_t mapChunkLoad(chunk_t* chunk);
+void mapChunkLoad(chunk_t* chunk);
 
 /**
  * Gets the index of a chunk, within the world, at the given position.

src/scene/scene.hpp

@@ -7,7 +7,6 @@
 
 #pragma once
 #include "dusk.hpp"
-#include "error/error.hpp"
 #include "display/color.hpp"
 
 #define SCENE_FLAG_INITIALIZED (1 << 0)
@@ -16,7 +15,7 @@ typedef struct scenedata_s scenedata_t;
 
 typedef struct {
   const char_t *name;
-  errorret_t (*init)(scenedata_t *data);
+  void (*init)(scenedata_t *data);
   void (*update)(scenedata_t *data);
   void (*render)(scenedata_t *data);
   void (*dispose)(scenedata_t *data);

src/scene/scene/scenemap.cpp

@@ -17,7 +17,7 @@
 #include "util/memory.hpp"
 #include "duskdefs.hpp"
 
-errorret_t sceneMapInit(scenedata_t *data) {
+void sceneMapInit(scenedata_t *data) {
   // Init the camera.
   cameraInitPerspective(&data->sceneMap.camera);
   data->sceneMap.camera.projType = CAMERA_PROJECTION_TYPE_PERSPECTIVE_FLIPPED;
@@ -36,8 +36,6 @@ errorret_t sceneMapInit(scenedata_t *data) {
     RPG_CAMERA_PIXELS_PER_UNIT
   );
   data->sceneMap.camera.perspective.fov = glm_rad(RPG_CAMERA_FOV);
-
-  errorOk();
 }
 
 void sceneMapUpdate(scenedata_t *data) {

src/scene/scene/scenemap.hpp

@@ -15,7 +15,7 @@ typedef struct {
   camera_t camera;
 } scenemap_t;
 
-errorret_t sceneMapInit(scenedata_t *data);
+void sceneMapInit(scenedata_t *data);
 void sceneMapUpdate(scenedata_t *data);
 void sceneMapRender(scenedata_t *data);
 void sceneMapRenderEntity(entity_t *entity);

src/scene/scene/scenetest.cpp

@@ -8,9 +8,8 @@
 #include "scenetest.hpp"
 #include "scene/scenedata.hpp"
 
-errorret_t sceneTestInit(scenedata_t *data) {
+void sceneTestInit(scenedata_t *data) {
   data->sceneTest.nothing = 0;
-  errorOk();
 }
 
 void sceneTestUpdate(scenedata_t *data) {

src/scene/scene/scenetest.hpp

@@ -12,7 +12,7 @@ typedef struct {
   int32_t nothing;
 } scenetest_t;
 
-errorret_t sceneTestInit(scenedata_t *data);
+void sceneTestInit(scenedata_t *data);
 void sceneTestUpdate(scenedata_t *data);
 void sceneTestRender(scenedata_t *data);
 void sceneTestDispose(scenedata_t *data);

src/scene/scenemanager.cpp

@@ -13,7 +13,7 @@
 
 scenemanager_t SCENE_MANAGER;
 
-errorret_t sceneManagerInit(void) {
+void sceneManagerInit(void) {
   memoryZero(&SCENE_MANAGER, sizeof(scenemanager_t));
 
   sceneManagerRegisterScene(&SCENE_TEST);
@@ -22,10 +22,8 @@ errorret_t sceneManagerInit(void) {
   // Initial scene
   scene_t *initial = sceneManagerGetSceneByName("map");
   sceneManagerSetScene(initial);
-  if(initial->init) errorChain(initial->init(&SCENE_MANAGER.sceneData));
+  if(initial->init) initial->init(&SCENE_MANAGER.sceneData);
   initial->flags |= SCENE_FLAG_INITIALIZED;  
-  
-  errorOk();
 }
 
 scene_t * sceneManagerGetSceneByName(const char_t *name) {

src/scene/scenemanager.hpp

@@ -23,7 +23,7 @@ extern scenemanager_t SCENE_MANAGER;
 /**
  * Initializes the scene manager and the initial scene.
  */
-errorret_t sceneManagerInit(void);
+void sceneManagerInit(void);
 
 /**
  * Retrieves a registered scene by its name.

src/script/scriptcontext.cpp

@@ -15,7 +15,7 @@
 #include "script/func/scriptfuncentity.hpp"
 #include "script/func/scriptfuncsystem.hpp"
 
-errorret_t scriptContextInit(scriptcontext_t *context) {
+void scriptContextInit(scriptcontext_t *context) {
   assertNotNull(context, "Script context cannot be NULL");
 
   memoryZero(context, sizeof(scriptcontext_t));
@@ -23,15 +23,13 @@ errorret_t scriptContextInit(scriptcontext_t *context) {
   // Create a new Lua state for this context.
   context->luaState = luaL_newstate();
   if(context->luaState == NULL) {
-    errorThrow("Failed to init Lua state");
+    throw std::runtime_error("Failed to init Lua state");
   }
   luaL_openlibs(context->luaState);
 
   // Register functions
   scriptFuncSystem(context);
   scriptFuncEntity(context);
-
-  errorOk();
 }
 
 void scriptContextRegFunc(
@@ -46,7 +44,7 @@ void scriptContextRegFunc(
   lua_register(context->luaState, fnName, function);
 }
 
-errorret_t scriptContextCallFunc(
+void scriptContextCallFunc(
   scriptcontext_t *context,
   const char_t *fnName,
   const scriptvalue_t *args,
@@ -60,7 +58,9 @@ errorret_t scriptContextCallFunc(
   // Get func
   lua_getglobal(context->luaState, fnName);
   if(!lua_isfunction(context->luaState, -1)) {
-    errorThrow("Function '%s' not found in script context", fnName);
+    throw std::runtime_error(
+      "Function '" + std::string(fnName) + "' not found in script context"
+    );
   }
 
   // Push args
@@ -80,7 +80,9 @@ errorret_t scriptContextCallFunc(
         break;
 
       default:
-        errorThrow("Unsupported argument type %d", arg->type);
+        throw std::runtime_error(
+          "Unsupported argument type " + std::to_string(arg->type)
+        );
     }
   }
 
@@ -93,33 +95,48 @@ errorret_t scriptContextCallFunc(
   ) != LUA_OK) {
     const char_t *strErr = lua_tostring(context->luaState, -1);
     lua_pop(context->luaState, 1);
-    errorThrow("Failed to call function '%s': %s", fnName, strErr);
+    throw std::runtime_error(
+      "Failed to call Lua function '" +
+      std::string(fnName) +
+      "': " +
+      std::string(strErr)
+    );
   }
 
   // Was there a ret value?
-  if(retValue == NULL) {
-    errorOk();
-  }
+  if(retValue == NULL) return;
 
   // Get ret value
   switch(retValue->type) {
     case SCRIPT_VALUE_TYPE_INT:
       if(!lua_isinteger(context->luaState, -1)) {
-        errorThrow("Expected integer return value from '%s'", fnName);
+        throw std::runtime_error(
+          "Expected integer return value from '" +
+          std::string(fnName) +
+          "'"
+        );
       }
       retValue->value.intValue = (int32_t)lua_tointeger(context->luaState, -1);
       break;
 
     case SCRIPT_VALUE_TYPE_FLOAT:
       if(!lua_isnumber(context->luaState, -1)) {
-        errorThrow("Expected float return value from '%s'", fnName);
+        throw std::runtime_error(
+          "Expected float return value from '" +
+          std::string(fnName) +
+          "'"
+        );
       }
       retValue->value.floatValue = (float)lua_tonumber(context->luaState, -1);
       break;
 
     case SCRIPT_VALUE_TYPE_BOOL:
       if(!lua_isboolean(context->luaState, -1)) {
-        errorThrow("Expected boolean return value from '%s'", fnName);
+        throw std::runtime_error(
+          "Expected boolean return value from '" +
+          std::string(fnName) +
+          "'"
+        );
       }
       retValue->value.boolValue = lua_toboolean(context->luaState, -1);
       break;
@@ -132,48 +149,49 @@ errorret_t scriptContextCallFunc(
     //   break;
 
     default:
-      errorThrow("Unsupported return value type %d", retValue->type);
+      throw std::runtime_error(
+        "Unsupported return value type " + std::to_string(retValue->type)
+      );
+  }
 }
 
-  errorOk();
-}
-
-errorret_t scriptContextExec(scriptcontext_t *context, const char_t *script) {
+void scriptContextExec(scriptcontext_t *context, const char_t *script) {
   assertNotNull(context, "Script context cannot be NULL");
   assertNotNull(script, "Script cannot be NULL");
 
   if(luaL_dostring(context->luaState, script) != LUA_OK) {
     const char_t *strErr = lua_tostring(context->luaState, -1);
     lua_pop(context->luaState, 1);
-    errorThrow("Failed to execute Lua: ", strErr);
+    throw std::runtime_error("Failed to execute Lua: " + std::string(strErr));
+  }
 }
 
-  errorOk();
-}
-
-errorret_t scriptContextExecFile(scriptcontext_t *ctx, const char_t *fname) {
+void 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));
+  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);
+    throw std::runtime_error(
+      "Failed to load Lua script: " + std::string(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);
+    throw std::runtime_error(
+      "Failed to execute Lua script: " + std::string(strErr)
+    );
   }
 
-  errorChain(assetScriptDispose(&script));
-  errorOk();
+  assetScriptDispose(&script);
 }
 
 void scriptContextDispose(scriptcontext_t *context) {

src/script/scriptcontext.hpp

@@ -6,7 +6,6 @@
  */
 
 #pragma once
-#include "error/error.hpp"
 #include "scriptvalue.hpp"
 
 extern "C" {
@@ -23,9 +22,9 @@ typedef struct scriptcontext_s {
  * Initialize a script context.
  * 
  * @param context The script context to initialize.
- * @return The error return value.
+ * @throws std::runtime_error on failure.
  */
-errorret_t scriptContextInit(scriptcontext_t *context);
+void scriptContextInit(scriptcontext_t *context);
 
 /**
  * Register a C function within a script context.
@@ -48,10 +47,10 @@ void scriptContextRegFunc(
  * @param args Array of args to pass to the function (or NULL for no args)
  * @param argCount The number of arguments in the args array (omitable).
  * @param retValue Output to store returned value (or NULL for no return value).
- * @return The error return value.
+ * @throws std::runtime_error on failure.
  */
 
-errorret_t scriptContextCallFunc(
+void scriptContextCallFunc(
   scriptcontext_t *context,
   const char_t *fnName,
   const scriptvalue_t *args,
@@ -64,18 +63,18 @@ errorret_t scriptContextCallFunc(
  * 
  * @param context The script context to use.
  * @param script The script to execute.
- * @return The error return value.
+ * @throws std::runtime_error on failure.
  */
-errorret_t scriptContextExec(scriptcontext_t *context, const char_t *script);
+void scriptContextExec(scriptcontext_t *context, const char_t *script);
 
 /**
  * Execute a script from a file within a script context.
  * 
  * @param ctx The script context to use.
  * @param fname The filename of the script to execute.
- * @return The error return value.
+ * @throws std::runtime_error on failure.
  */
-errorret_t scriptContextExecFile(scriptcontext_t *ctx, const char_t *fname);
+void scriptContextExecFile(scriptcontext_t *ctx, const char_t *fname);
 
 /**
  * Dispose of a script context.

src/script/scriptmanager.cpp

@@ -13,11 +13,9 @@
 
 scriptmanager_t SCRIPT_MANAGER;
 
-errorret_t scriptManagerInit() {
+void scriptManagerInit() {
   memoryZero(&SCRIPT_MANAGER, sizeof(scriptmanager_t));
-  errorOk();
 }
 
-errorret_t scriptManagerDispose() {
-  errorOk();
+void scriptManagerDispose() {
 }

src/script/scriptmanager.hpp

@@ -6,7 +6,6 @@
  */
 
 #pragma once
-#include "error/error.hpp"
 #include "scriptcontext.hpp"
 
 typedef struct scriptmanager_s {
@@ -18,13 +17,13 @@ extern scriptmanager_t SCRIPT_MANAGER;
 /**
  * Initialize the script manager.
  * 
- * @return The error return value.
+ * @throws Any exceptions if initialization fails.
  */
-errorret_t scriptManagerInit();
+void scriptManagerInit();
 
 /**
  * Dispose of the script manager.
  * 
- * @return The error return value.
+ * @throws Any exceptions if disposal fails.
  */
-errorret_t scriptManagerDispose();
+void scriptManagerDispose();

src/ui/ui.cpp

@@ -15,15 +15,13 @@
 
 ui_t UI;
 
-errorret_t uiInit(void) {
+void uiInit(void) {
   memoryZero(&UI, sizeof(ui_t));
 
   cameraInitOrthographic(&UI.camera);
 
   // Initialize UI components here
   uiSetFont(&TILESET_MINOGRAM);
-
-  errorOk();
 }
 
 void uiUpdate(void) {
@@ -47,7 +45,7 @@ void uiRender(void) {
   cameraPopMatrix();
 }
 
-errorret_t uiSetFont(const tileset_t *fontTileset) {
+void uiSetFont(const tileset_t *fontTileset) {
   if(UI.fontTexture.width > 0) {
     textureDispose(&UI.fontTexture);
     UI.fontTexture.width = -1;
@@ -56,8 +54,7 @@ errorret_t uiSetFont(const tileset_t *fontTileset) {
   assertNotNull(fontTileset, "Font tileset cannot be NULL.");
   
   UI.fontTileset = fontTileset;
-  errorChain(assetLoad(UI.fontTileset->image, &UI.fontTexture));
-  errorOk();
+  assetLoad(UI.fontTileset->image, &UI.fontTexture);
 }
 
 void uiDispose(void) {

src/ui/ui.hpp

@@ -22,9 +22,9 @@ extern ui_t UI;
 /**
  * Initializes the UI system, loading necessary resources.
  * 
- * @return An errorret_t indicating success or failure.
+ * @throws Any exceptions if initialization fails.
  */
-errorret_t uiInit(void);
+void uiInit(void);
 
 /**
  * Updates the UI state, handling user interactions and animations.
@@ -40,10 +40,9 @@ void uiRender(void);
  * Sets the font tileset for UI text rendering.
  * 
  * @param fontTileset Pointer to the tileset to use for UI fonts.
- * 
- * @return An errorret_t indicating success or failure.
+ * @throws Any exceptions if setting the font fails.
  */
-errorret_t uiSetFont(const tileset_t *fontTileset);
+void uiSetFont(const tileset_t *fontTileset);
 
 /**
  * Cleans up and frees all UI resources.