Started asset refact

archive/asset/assetmanager.h

@@ -0,0 +1,79 @@
+/**
+ * Copyright (c) 2025 Dominic Masters
+ * 
+ * This software is released under the MIT License.
+ * https://opensource.org/licenses/MIT
+ */
+
+#pragma once
+#include "asset.h"
+
+#define ASSET_MANAGER_ASSET_COUNT_MAX 32
+
+#if ASSET_TYPE == wad
+#else
+  #error "Unsupported ASSET_TYPE"
+#endif
+
+static const char_t ASSET_MANAGER_SEARCH_PATHS[][FILENAME_MAX] = {
+  "%s/%s",
+  "%s",
+  "../%s",
+  "../../%s",
+  "data/%s",
+  "../data/%s",
+};
+
+#define ASSET_MANAGER_SEARCH_PATHS_COUNT (\
+  sizeof(ASSET_MANAGER_SEARCH_PATHS) / FILENAME_MAX\
+)
+
+typedef struct {
+  zip_t *zip;
+  asset_t assets[ASSET_MANAGER_ASSET_COUNT_MAX];
+  char_t systemPath[FILENAME_MAX];
+  uint8_t assetCount;
+} assetmanager_t;
+
+extern assetmanager_t ASSET_MANAGER;
+
+/**
+ * Initializes the asset system.
+ */
+errorret_t assetManagerInit(void);
+
+/**
+ * Update the asset manager. This should be called once per frame.
+ */
+void assetManagerUpdate(void);
+
+/**
+ * Get an asset by filename. This will return NULL if the asset does not exist.
+ * This will not lock the asset, you must do that separately. If you do not
+ * lock the asset there is no guarantee the asset pointer will remain valid.
+ * 
+ * @param filename The filename of the asset to get.
+ * @param outAsset The output asset pointer.
+ * @return An error code.
+ */
+errorret_t assetManagerGetAsset(const char_t *filename, asset_t **outAsset);
+
+/**
+ * Gets, locks and loads an asset. This is all blocking so only use if you 
+ * really need to.
+ * 
+ * @param filename The filename of the asset to get.
+ * @param outAsset The output asset pointer.
+ * @param outRef The output asset reference pointer.
+ * @return An error code if something goes wrong.
+ */
+errorret_t assetManagerLoadAsset(
+  const char_t *filename,
+  asset_t **outAsset,
+  ref_t *outRef
+);
+
+/**
+ * Disposes/cleans up the asset system.
+ */
+void assetManagerDispose(void);