BlockRenderable.hpp

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#pragma once
 
#include <deque>
#include <mutex>
 
#include "botcraft/Renderer/Face.hpp"
 
namespace Botcraft
{
    namespace Renderer
    {
        // Status of a face buffer
        enum class BufferStatus
        {
            Created,  // The buffer is new, must be created in OpenGL
            Updated,  // The existing buffer has been updated
            UpToDate, // The OpenGL buffer is up to date
        };
 
        class BlockRenderable
        {
        public:
            BlockRenderable();
            ~BlockRenderable();
 
            void Update();
            void ClearFaces();
            const unsigned int GetNumFace() const;
            void Render() const;
 
        protected:
            void GenerateOpenGLBuffer();
            void DeleteOpenGLBuffer();
 
        protected:
            unsigned int faces_VAO;
            unsigned int faces_VBO;
            unsigned int data_VBO;
            unsigned int face_number;
 
            std::deque<Face> faces;
 
            BufferStatus buffer_status;
 
            std::mutex mutex_faces;
        };
    } // Renderer
} // Botcraft