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#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;
}
}
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