Atlas.hpp

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#include <string>
#include <vector>
#include <unordered_map>
 
#include "botcraft/Renderer/Enums.hpp"
 
namespace Botcraft
{
    namespace Renderer
    {
        struct TextureData
        {
            /// @brief <Width, Height>
            std::pair<int, int> size;
            /// @brief <Col, Row>
            std::pair<int, int> position;
            Transparency transparency;
            Animation animation;
        };
 
        class Atlas
        {
        public:
            Atlas();
            ~Atlas();
 
            void Reset(const int height_, const int width_);
 
            // Load data 
            void LoadData(const std::vector<std::pair<std::string, std::string> >& textures_path);
 
            int GetWidth() const;
            int GetHeight() const;
 
            const TextureData& GetData(const std::string& name) const;
 
            const unsigned char* Get(const int row = 0, const int col = 0, const int depth = 0) const;
 
        private:
            unsigned char* Get(const int row = 0, const int col = 0, const int depth = 0);
 
        private:
 
            std::vector<unsigned char> data;
            std::unordered_map<std::string, TextureData> textures_map;
 
            int height;
            int width;
        };
    } // Renderer
} // Botcraft