Asset refactor

2026-04-03 12:56:04 -05:00
parent 0885da8d44
commit da1a5a3f1b
59 changed files with 1032 additions and 726 deletions
--- a/archive/loader/assettexture.c
+++ b/archive/loader/assettexture.c
@@ -0,0 +1,78 @@
+/**
+ * Copyright (c) 2025 Dominic Masters
+ * 
+ * This software is released under the MIT License.
+ * https://opensource.org/licenses/MIT
+ */
+
+#include "assettexture.h"
+#include "asset/assettype.h"
+#include "assert/assert.h"
+#include "display/texture/texture.h"
+#include "util/endian.h"
+
+errorret_t assetTextureLoad(assetentire_t entire) {
+  assertNotNull(entire.data, "Data pointer cannot be NULL.");
+  assertNotNull(entire.output, "Output pointer cannot be NULL.");
+
+  assettexture_t *assetData = (assettexture_t *)entire.data;
+  texture_t *texture = (texture_t *)entire.output;
+
+  // Read header and version (first 4 bytes)
+  if(
+    assetData->header[0] != 'D' || 
+    assetData->header[1] != 'T' ||
+    assetData->header[2] != 'X'
+  ) {
+    errorThrow("Invalid texture header");
+  }
+  
+  // Version (can only be 1 atm)
+  if(assetData->version != 0x01) {
+    errorThrow("Unsupported texture version");
+  }
+
+  // Fix endian
+  assetData->width = endianLittleToHost32(assetData->width);
+  assetData->height = endianLittleToHost32(assetData->height);
+
+  // Check dimensions.
+  if(
+    assetData->width == 0 || assetData->width > ASSET_TEXTURE_WIDTH_MAX ||
+    assetData->height == 0 || assetData->height > ASSET_TEXTURE_HEIGHT_MAX
+  ) {
+    errorThrow("Invalid texture dimensions");
+  }
+
+  // Validate format
+  textureformat_t format;
+  texturedata_t data;
+
+  switch(assetData->type) {
+    case 0x00: // RGBA8888
+      format = TEXTURE_FORMAT_RGBA;
+      data.rgbaColors = (color_t *)assetData->data;
+      break;
+
+    // case 0x01:
+    //   format = TEXTURE_FORMAT_RGB;
+    //   break;
+    
+    // case 0x02:
+    //   format = TEXTURE_FORMAT_RGB565;
+    //   break;
+
+    // case 0x03:
+    //   format = TEXTURE_FORMAT_RGB5A3;
+    //   break;
+
+    default:
+      errorThrow("Unsupported texture format");
+  }
+
+  errorChain(textureInit(
+    texture, assetData->width, assetData->height, format, data
+  ));
+
+  errorOk();
+}