replace view with texture, move plugin to Swift implementation

ios/src/SceneResources.hpp

@@ -1,52 +1,21 @@
 #pragma once
 
 #include <functional>
+#include <memory>
+
+#include "ResourceBuffer.hpp"
 
 namespace polyvox { 
-
-      // 
-      // Pairs a memory buffer with an ID that can be used to unload the backing asset if needed.
-      // Use this when you want to load an asset from a resource that requires more than just `free` on the underlying buffer.
-      // e.g. 
-      // ```
-      // uint64_t id = get_next_resource_id();
-      // AAsset *asset = AAssetManager_open(am, name, AASSET_MODE_BUFFER);
-      // off_t length = AAsset_getLength(asset);
-      // const void * buffer = AAsset_getBuffer(asset);
-      // uint8_t *buf = new uint8_t[length ];
-      // memcpy(buf,buffer,  length);
-      // ResourceBuffer rb(buf, length, id);
-      // ...
-      // ...
-      // (elsewhere)
-      // AAsset* asset = get_asset_from_id(rb.id);
-      // AAsset_close(asset);
-      // free_asset_id(rb.id);
-      //
-      struct ResourceBuffer {
-        ResourceBuffer(const void* data, const uint32_t size, const uint32_t id) : data(data), size(size), id(id) {};
-
-        ResourceBuffer& operator=(ResourceBuffer other)
-        {
-          data = other.data;
-          size = other.size;
-          id = other.id;
-          return *this;
-        }
-        const void* data;
-        uint32_t size;
-        uint32_t id;
-    };
-    
+   using namespace std;
     // 
-    // Typedef for any function that loads a resource into a ResourceBuffer from an asset URI.
+    // Typedef for a function that loads a resource into a ResourceBuffer from an asset URI.
     //
-    using LoadResource = std::function<ResourceBuffer(const char* uri)>;
+    using LoadResource = function<ResourceBuffer(const char* uri)>;
 
     // 
-    // Typedef for any function that frees a ResourceBuffer.
+    // Typedef for a function that frees an ID associated with a ResourceBuffer.
     //
-    using FreeResource = std::function<void (ResourceBuffer)>;
+    using FreeResource = function<void (uint32_t)>;
 
     typedef std::chrono::time_point<std::chrono::high_resolution_clock> time_point_t;   
 
@@ -110,4 +79,5 @@ namespace polyvox {
       float* frameData;
       int numWeights;
     };
-}
+}
+