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#include "../include/ResourceCache.hpp"
#include <unordered_map>
#include <gd.h>
using namespace std;
namespace dchat
{
unordered_map<string, sf::Font*> fonts;
unordered_map<string, sf::Texture*> textures;
unordered_map<string, sf::Shader*> shaders;
const sf::Font* ResourceCache::getFont(const string &filepath)
{
auto it = fonts.find(filepath);
if(it != fonts.end())
return it->second;
sf::Font *font = new sf::Font();
if(!font->loadFromFile(filepath))
{
delete font;
string errMsg = "Failed to load font: ";
errMsg += filepath;
throw FailedToLoadResourceException(errMsg);
}
fonts[filepath] = font;
return font;
}
sf::Texture* ResourceCache::getTexture(const string &filepath)
{
auto it = textures.find(filepath);
if(it != textures.end())
return it->second;
gdImagePtr imgPtr = gdImageCreateFromFile(filepath.c_str());
if(!imgPtr)
{
string errMsg = "Failed to load texture with gd: ";
errMsg += filepath;
throw FailedToLoadResourceException(errMsg);
}
gdImageSetInterpolationMethod(imgPtr, GD_BILINEAR_FIXED);
gdImagePtr newImgPtr = gdImageScale(imgPtr, 100, 100);
if(!newImgPtr)
{
gdImageDestroy(imgPtr);
string errMsg = "Failed to scale image with gd: ";
errMsg += filepath;
throw FailedToLoadResourceException(errMsg);
}
gdImageFile(newImgPtr, filepath.c_str());
gdImageDestroy(imgPtr);
gdImageDestroy(newImgPtr);
sf::Texture *texture = new sf::Texture();
if(!texture->loadFromFile(filepath))
{
delete texture;
string errMsg = "Failed to load texture: ";
errMsg += filepath;
throw FailedToLoadResourceException(errMsg);
}
texture->setSmooth(true);
texture->generateMipmap();
textures[filepath] = texture;
return texture;
}
sf::Shader* ResourceCache::getShader(const std::string &filepath, sf::Shader::Type shaderType)
{
auto it = shaders.find(filepath);
if(it != shaders.end())
return it->second;
sf::Shader *shader = new sf::Shader();
if(!shader->loadFromFile(filepath, shaderType))
{
delete shader;
string errMsg = "Failed to load shader: ";
errMsg += filepath;
throw FailedToLoadResourceException(errMsg);
}
shaders[filepath] = shader;
return shader;
}
}
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