Roughly planning asset locking

src/asset/asset.h

@@ -0,0 +1,34 @@
+/**
+ * Copyright (c) 2025 Dominic Masters
+ * 
+ * This software is released under the MIT License.
+ * https://opensource.org/licenses/MIT
+ */
+
+#pragma once
+#include "assetpaletteimage.h"
+#include "util/reflist.h"
+
+#define ASSET_HEADER_SIZE 3
+#define ASSET_REFERENCE_COUNT_MAX 8
+
+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,
+} assettype_t;
+
+typedef struct {
+  const char_t filename[FILENAME_MAX];
+  ref_t refListArray[ASSET_REFERENCE_COUNT_MAX];
+  reflist_t refList;
+  assetstate_t state;
+  assettype_t type;
+  void *data;
+} asset_t;