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-rw-r--r--src/AssetManager.hpp77
1 files changed, 77 insertions, 0 deletions
diff --git a/src/AssetManager.hpp b/src/AssetManager.hpp
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+#pragma once
+
+#include <experimental/filesystem>
+#include <map>
+
+#include <GL/glew.h>
+#include <glm/vec4.hpp>
+#include <nlohmann/json.hpp>
+
+#include "Block.hpp"
+#include "Texture.hpp"
+
+struct TextureCoordinates {
+ TextureCoordinates(float x = -1, float y = -1, float w = -1, float h = -1) : x(x), y(y), w(w), h(h) {}
+
+ bool operator==(const TextureCoordinates &rhs) const {
+ return x == rhs.x &&
+ y == rhs.y &&
+ w == rhs.w &&
+ h == rhs.h;
+ }
+
+ explicit operator bool() const {
+ return !(*this == TextureCoordinates(-1, -1, -1, -1));
+ }
+
+ float x, y, w, h;
+};
+
+struct BlockTextureId {
+ //Block sides: 0 - bottom, 1 - top, 2 - north, 3 - south, 4 - west, 5 - east 6 - every side
+ BlockTextureId(int id = 0, int state = 0, int side = 6) : id(id), state(state), side(side) {}
+
+ int id:9;
+ int state:4;
+ int side:3;
+
+
+ bool operator<(const BlockTextureId &rhs) const {
+ if (id < rhs.id)
+ return true;
+ if (rhs.id < id)
+ return false;
+ if (state < rhs.state)
+ return true;
+ if (rhs.state < state)
+ return false;
+ return side < rhs.side;
+ }
+};
+
+class AssetManager {
+ Texture *textureAtlas;
+ std::map<std::string, Block> assetIds;
+ std::map<std::string, TextureCoordinates> assetTextures;
+ std::map<BlockTextureId,glm::vec4> textureAtlasIndexes;
+public:
+ AssetManager();
+
+ ~AssetManager();
+
+ void LoadTextureResources();
+
+ TextureCoordinates GetTextureByAssetName(std::string AssetName);
+
+ std::string GetTextureAssetNameByBlockId(BlockTextureId block);
+
+ GLuint GetTextureAtlas();
+
+ const std::map<BlockTextureId,glm::vec4> &GetTextureAtlasIndexes();
+
+ void LoadIds();
+
+ TextureCoordinates GetTextureByBlock(BlockTextureId block);
+
+ static AssetManager& Instance();
+};