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#include "AssetManager.hpp"
const std::string pathToIndexFile = "./assets/indexes/1.11.json";
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) {
Asset &asset = instance().assets[AssetName];
if (!asset.isParsed())
LoadAsset(AssetName);
return asset;
}
void AssetManager::LoadAsset(std::string AssetName) {
if (instance().assets[AssetName].isParsed())
return;
Asset &asset = instance().assets[AssetName];
if (asset.type == Asset::Texture) {
asset.data.texture.imageData = SOIL_load_image((asset.name + assetTypeFileExtensions.at(asset.type)).c_str(),
&asset.data.texture.width, &asset.data.texture.height, 0,
SOIL_LOAD_RGBA);
}
}
bool Asset::isParsed() {
switch (type) {
case Unknown:
return false;
break;
case Texture:
return this->data.texture.imageData != 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:
SOIL_free_image_data(this->data.texture.imageData);
break;
case Sound:
break;
case Model:
break;
case Lang:
break;
}
}
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