Asset compartmentalized

src/duskdolphin/asset/assetdolphin.c

@@ -0,0 +1,53 @@
+
+    // Init FAT driver.
+    if(!fatInitDefault()) errorThrow("Failed to initialize FAT filesystem.");
+
+    char_t **dolphinSearchPath = (char_t **)ASSET_DOLPHIN_PATHS;
+    char_t foundPath[FILENAME_MAX];
+    foundPath[0] = '\0';
+    do {
+      // Try open dir
+      DIR *pdir = opendir(*dolphinSearchPath);
+      if(pdir == NULL) continue;
+
+
+      // Scan if file is present
+      while(true) {
+        struct dirent* pent = readdir(pdir);
+        if(pent == NULL) break;
+
+        if(stringCompareInsensitive(pent->d_name, ASSET_FILE) != 0) {
+          continue;
+        }
+
+        // Copy out filename
+        snprintf(
+          foundPath,
+          FILENAME_MAX,
+          "%s/%s",
+          *dolphinSearchPath,
+          ASSET_FILE
+        );
+        break;
+      }
+      
+      // Close dir.
+      closedir(pdir);
+
+      // Did we find the file here?
+      if(foundPath[0] != '\0') break;
+    } while(*(++dolphinSearchPath) != NULL);
+
+    if(foundPath[0] != '\0') {
+    }
+
+    // Did we find the asset file?
+    if(foundPath[0] == '\0') {
+      errorThrow("Failed to find asset file on FAT filesystem.");
+    }
+
+    ASSET.zip = zip_open(foundPath, ZIP_RDONLY, NULL);
+    if(ASSET.zip == NULL) {
+      errorThrow("Failed to open asset file on FAT filesystem.");
+    }
+    errorOk();

src/duskdolphin/asset/assetdolphin.h

@@ -0,0 +1,37 @@
+/**
+ * Copyright (c) 2026 Dominic Masters
+ * 
+ * This software is released under the MIT License.
+ * https://opensource.org/licenses/MIT
+ */
+
+#pragma once
+#include <fat.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <dirent.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
+
+static const char_t *ASSET_DOLPHIN_PATHS[] = {
+  "/",
+  "/Dusk",
+  "/dusk",
+  "/DUSK",
+  "/apps",
+  "/apps/Dusk",
+  "/apps/dusk",
+  "/apps/DUSK",
+  ".",
+  "./",
+  "./Dusk",
+  "./dusk",
+  "./DUSK",
+  "./apps",
+  "./apps/Dusk",
+  "./apps/dusk",
+  "./apps/DUSK",
+  NULL
+};