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#include "TextureManager.hpp"
#include <algorithm>
#include <iostream>
namespace renderer {
TextureManager::TextureManager ()
: mBasePath(), mTextures(), mCurrentCategory(), mCurrentSubcategory(), mCurrentTextureName(),
mCurrentTexture( nullptr ), mCurrentTextureId( 0 ), mTextureIdToPath(), mNextTextureId( 1 ) {
}
void TextureManager::scanDirectory ( const std::string& basePath ) {
mBasePath = basePath;
mTextures.clear();
if( !std::filesystem::exists( basePath ) ) {
std::cerr << "TextureManager: Base path does not exist: " << basePath << std::endl;
return;
}
for( const auto& categoryEntry : std::filesystem::directory_iterator( basePath ) ) {
if( !categoryEntry.is_directory() )
continue;
std::string categoryName = categoryEntry.path().filename().string();
for( const auto& subcategoryEntry : std::filesystem::directory_iterator( categoryEntry.path() ) ) {
if( !subcategoryEntry.is_directory() )
continue;
std::string subcategoryName = subcategoryEntry.path().filename().string();
for( const auto& fileEntry : std::filesystem::directory_iterator( subcategoryEntry.path() ) ) {
if( !fileEntry.is_regular_file() )
continue;
std::string fileName = fileEntry.path().filename().string();
std::string extension = fileEntry.path().extension().string();
if( extension != ".png" && extension != ".jpg" && extension != ".jpeg" && extension != ".bmp" &&
extension != ".tga" )
continue;
TextureEntry entry;
entry.mFullPath = fileEntry.path().string();
entry.mLoaded = false;
mTextures[categoryName][subcategoryName][fileName] = entry;
int textureId = mNextTextureId++;
mTextureIdToPath[textureId] = std::make_tuple( categoryName, subcategoryName, fileName );
}
}
}
std::cout << "TextureManager: Scanned " << mTextures.size() << " categories" << std::endl;
}
std::vector<std::string> TextureManager::getCategories () const {
std::vector<std::string> categories;
for( const auto& [category, _] : mTextures ) {
categories.push_back( category );
}
std::sort( categories.begin(), categories.end() );
return categories;
}
std::vector<std::string> TextureManager::getSubcategories ( const std::string& category ) const {
std::vector<std::string> subcategories;
auto catIt = mTextures.find( category );
if( catIt != mTextures.end() ) {
for( const auto& [subcategory, _] : catIt->second ) {
subcategories.push_back( subcategory );
}
std::sort( subcategories.begin(), subcategories.end() );
}
return subcategories;
}
std::vector<std::string> TextureManager::getTextureNames ( const std::string& category,
const std::string& subcategory ) const {
std::vector<std::string> textureNames;
auto catIt = mTextures.find( category );
if( catIt != mTextures.end() ) {
auto subIt = catIt->second.find( subcategory );
if( subIt != catIt->second.end() ) {
for( const auto& [textureName, _] : subIt->second ) {
textureNames.push_back( textureName );
}
std::sort( textureNames.begin(), textureNames.end() );
}
}
return textureNames;
}
Texture* TextureManager::getTexture ( const std::string& category, const std::string& subcategory,
const std::string& textureName ) {
auto catIt = mTextures.find( category );
if( catIt == mTextures.end() )
return nullptr;
auto subIt = catIt->second.find( subcategory );
if( subIt == catIt->second.end() )
return nullptr;
auto texIt = subIt->second.find( textureName );
if( texIt == subIt->second.end() )
return nullptr;
TextureEntry& entry = texIt->second;
if( !entry.mLoaded ) {
if( entry.mTexture.loadFromFile( entry.mFullPath ) ) {
entry.mLoaded = true;
} else {
std::cerr << "TextureManager: Failed to load texture: " << entry.mFullPath << std::endl;
return nullptr;
}
}
return &entry.mTexture;
}
Texture* TextureManager::getCurrentTexture () {
if( mCurrentTexture )
return mCurrentTexture;
if( !mCurrentCategory.empty() && !mCurrentSubcategory.empty() && !mCurrentTextureName.empty() ) {
mCurrentTexture = getTexture( mCurrentCategory, mCurrentSubcategory, mCurrentTextureName );
}
return mCurrentTexture;
}
void TextureManager::setCurrentTexture ( const std::string& category, const std::string& subcategory,
const std::string& textureName ) {
mCurrentCategory = category;
mCurrentSubcategory = subcategory;
mCurrentTextureName = textureName;
mCurrentTexture = getTexture( category, subcategory, textureName );
for( const auto& [id, path] : mTextureIdToPath ) {
if( std::get<0>( path ) == category && std::get<1>( path ) == subcategory &&
std::get<2>( path ) == textureName ) {
mCurrentTextureId = id;
break;
}
}
}
int TextureManager::getCurrentTextureId () const {
return mCurrentTextureId;
}
Texture* TextureManager::getTextureById ( int textureId ) {
auto it = mTextureIdToPath.find( textureId );
if( it == mTextureIdToPath.end() )
return nullptr;
const auto& [category, subcategory, textureName] = it->second;
return getTexture( category, subcategory, textureName );
}
} // namespace renderer
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