ContentPackRuntime + refactor

src/frontend/ContentGfxCache.h

@@ -1,15 +1,24 @@
 #ifndef FRONTEND_BLOCKS_GFX_CACHE_H_
 #define FRONTEND_BLOCKS_GFX_CACHE_H_
 
+#include <memory>
+#include <string>
+#include <unordered_map>
 #include "../graphics/UVRegion.h"
 #include "../typedefs.h"
 
 class Content;
 class Assets;
+class UiDocument;
+
+using uidocuments_map = std::unordered_map<std::string, std::shared_ptr<UiDocument>>;
 
 class ContentGfxCache {
+    const Content* content;
     // array of block sides uv regions (6 per block)
-    UVRegion* sideregions;
+    std::unique_ptr<UVRegion[]> sideregions;
+    // all loaded layouts
+    uidocuments_map layouts;
 public:
     ContentGfxCache(const Content* content, Assets* assets);
     ~ContentGfxCache();
@@ -17,6 +26,8 @@ public:
     inline const UVRegion& getRegion(blockid_t id, int side) const {
         return sideregions[id * 6 + side];
     }
+
+    std::shared_ptr<UiDocument> getLayout(const std::string& id);
 };
 
 #endif // FRONTEND_BLOCKS_GFX_CACHE_H_