Long-Starlight-Snake-Game/GameConfiguration.hpp

#include "SynEngine.hpp"

class GameConfiguration
{
    private:
        sf::Vector2i referenceWindowDimensions;
        sf::Vector2f canvasSizeMultiplierRatio;
        sf::Texture spriteSheet;
        std::string spriteSheetPath;
        sf::Vector2i spriteSheetCellSize;
        sf::IntRect spriteSheetRect;
        float spriteSizeMultiplier;
        
        float audioVolume;

        void LoadDefaultValues();
        bool LoadSpriteSheet(std::string);
    public:
        GameConfiguration();
        GameConfiguration(sf::Vector2i, std::string = std::string());
        float GetSpriteSizeMultiplier();
        float GetAudioVolume();
        sf::Sprite GetSprite(unsigned int, sf::Vector2f = sf::Vector2f(0, 0), float = 0.0);
        ~GameConfiguration();
};

GameConfiguration::GameConfiguration()
{
    LoadDefaultValues();
}

GameConfiguration::GameConfiguration(sf::Vector2i windowDimensions, std::string configurationPath)
{
    if(!configurationPath.empty())
        std::cout << "External Configurations Are Not Implemented Yet!\n";
    // else
        LoadDefaultValues();

    spriteSizeMultiplier = 
        (float)windowDimensions.x / (float)referenceWindowDimensions.x * canvasSizeMultiplierRatio.x +
        (float)windowDimensions.y / (float)referenceWindowDimensions.y * canvasSizeMultiplierRatio.y;
}

void GameConfiguration::LoadDefaultValues()
{
    // !! Placeholder values! Change after real sprites are added! !!
    referenceWindowDimensions = sf::Vector2i(600, 500);
    canvasSizeMultiplierRatio = sf::Vector2f(0.0, 1.0f);
    spriteSizeMultiplier = 1.0;
    
    LoadSpriteSheet("Data\\SpriteSheet.png");
    // !! Placeholder values! Change after real sprites are added! !!
    spriteSheetCellSize = sf::Vector2i(50, 50);
    spriteSheetRect = sf::IntRect(sf::Vector2i(0, 0), spriteSheetCellSize);

    audioVolume = 1.0;
}

bool GameConfiguration::LoadSpriteSheet(std::string path)
{
    spriteSheetPath = path;
    return spriteSheet.loadFromFile(path);
}

sf::Sprite GameConfiguration::GetSprite(unsigned int index, sf::Vector2f position, float rotation)
{
    int offset = spriteSheetRect.width * index;
    int xSize = spriteSheet.getSize().x;
    sf::Sprite sprite;

    spriteSheetRect.left = offset % xSize;
    spriteSheetRect.top  = offset / xSize * spriteSheetCellSize.y;
    
    sprite.setTexture(spriteSheet);
    sprite.setTextureRect(spriteSheetRect);
    sprite.setPosition(position * spriteSizeMultiplier);
    sprite.setRotation(rotation);
    sprite.setScale(spriteSizeMultiplier, spriteSizeMultiplier);
    std::cout << spriteSizeMultiplier << "\n";
    return sprite;
}

float GameConfiguration::GetSpriteSizeMultiplier()
{
    return spriteSizeMultiplier;
}

float GameConfiguration::GetAudioVolume()
{
    return audioVolume;
}

GameConfiguration::~GameConfiguration()
{
}