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-rw-r--r--code/graphics/AssetManager.cpp143
1 files changed, 143 insertions, 0 deletions
diff --git a/code/graphics/AssetManager.cpp b/code/graphics/AssetManager.cpp
new file mode 100644
index 0000000..1840c63
--- /dev/null
+++ b/code/graphics/AssetManager.cpp
@@ -0,0 +1,143 @@
+#include "AssetManager.hpp"
+
+const std::string pathToAssets = "./assets/";
+const std::string pathToObjects = pathToAssets + "objects/";
+const std::string pathToIndexFile = pathToAssets + "indexes/1.11.json";
+const std::string pathToAssetsMc = "./assetsMc/";
+
+const std::map<Asset::AssetType, std::string> assetTypeFileExtensions{
+ std::make_pair(Asset::AssetType::Texture, ".png"),
+ std::make_pair(Asset::AssetType::Lang, ".lang"),
+ std::make_pair(Asset::AssetType::Sound, ".ogg"),
+};
+
+AssetManager::AssetManager() {
+ std::ifstream indexFile(pathToIndexFile);
+ if (!indexFile) {
+ std::cerr << "Can't open file " << pathToIndexFile << std::endl;
+ }
+ nlohmann::json json = nlohmann::json::parse(indexFile)["objects"];
+ for (auto it = json.begin(); it != json.end(); ++it) {
+ size_t fileNameExtensionPos = -1;
+ std::string name = it.key();
+ Asset::AssetType type = Asset::Unknown;
+ for (auto &it:assetTypeFileExtensions) {
+ if ((fileNameExtensionPos = name.find(it.second)) != std::string::npos) {
+ type = it.first;
+ name = name.substr(0, fileNameExtensionPos);
+ break;
+ }
+ }
+ std::string hash = it.value()["hash"].get<std::string>();
+ size_t size = it.value()["size"].get<int>();
+ Asset asset{name, hash, Asset::AssetData(), size, type};
+ this->assets[name] = asset;
+ }
+}
+
+AssetManager::~AssetManager() {
+
+}
+
+Asset &AssetManager::GetAsset(std::string AssetName) {
+ if (instance().assets.find(AssetName) == instance().assets.end() || !instance().assets[AssetName].isParsed())
+ LoadAsset(AssetName);
+ return instance().assets[AssetName];
+}
+
+void AssetManager::LoadAsset(std::string AssetName) {
+ if (instance().assets.find(AssetName) != instance().assets.end() && instance().assets[AssetName].isParsed())
+ return;
+ std::string AssetFileName = GetPathToAsset(AssetName);
+ Asset &asset = instance().assets[AssetName];
+
+
+ if (asset.type == Asset::Texture) {
+ asset.data.texture = new Texture(AssetFileName,GL_CLAMP_TO_BORDER,GL_NEAREST);
+ //asset.data.texture.loadFromFile((asset.name + assetTypeFileExtensions.at(asset.type)));
+ }
+}
+
+std::string AssetManager::GetPathToAsset(std::string AssetName) {
+ if (instance().assets.find(AssetName) != instance().assets.end()){
+ auto it = instance().assets.find(AssetName);
+ return pathToObjects + std::string(instance().assets[AssetName].hash.c_str(), 2) + "/" +
+ instance().assets[AssetName].hash;
+ }
+
+ instance().assets[AssetName].hash="";
+ instance().assets[AssetName].type=Asset::AssetType::Texture;
+ instance().assets[AssetName].name=AssetName;
+ instance().assets[AssetName].size=0;
+ return pathToAssetsMc + "" + instance().assets[AssetName].name +
+ assetTypeFileExtensions.at(instance().assets[AssetName].type);
+}
+
+std::string AssetManager::GetAssetNameByBlockId(unsigned short id) {
+ std::string assetBase = "minecraft/textures/blocks/";
+ std::string textureName;
+ switch (id){
+ case 0:
+ textureName="air";
+ break;
+ case 1:
+ textureName="stone";
+ break;
+ case 2:
+ textureName="grass";
+ break;
+ case 3:
+ textureName="dirt";
+ break;
+ case 16:
+ textureName="coal_ore";
+ break;
+ case 17:
+ textureName="log_oak";
+ break;
+ case 31:
+ textureName="air";
+ break;
+ default:
+ //std::cout<<id<<std::endl;
+ textureName="beacon";
+ break;
+ }
+ return assetBase+textureName;
+}
+
+bool Asset::isParsed() {
+ switch (type) {
+ case Unknown:
+ return false;
+ break;
+ case Texture:
+ return this->data.texture != nullptr;
+ break;
+ case Sound:
+ return false;
+ break;
+ case Model:
+ return false;
+ break;
+ case Lang:
+ return false;
+ break;
+ }
+}
+
+Asset::~Asset() {
+ switch (type) {
+ case Unknown:
+ break;
+ case Texture:
+ delete this->data.texture;
+ break;
+ case Sound:
+ break;
+ case Model:
+ break;
+ case Lang:
+ break;
+ }
+}