RenderQueue.h

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#pragma once
 
#include "Common.h"
#include <glm/mat4x4.hpp>
#include <vector>
#include <memory>
 
namespace eng
{
    class Mesh;
    class Material;
    class GraphicsAPI;
    class Texture;
 
    struct RenderCommand
    {
        Mesh* mesh = nullptr;
        Material* material = nullptr;
        glm::mat4 modelMatrix;
    };
 
    struct RenderCommand2D
    {
        glm::mat4 modelMatrix;
        Texture* texture = nullptr;
        glm::vec4 color;
        glm::vec2 size;
        glm::vec2 lowerLeftUV;
        glm::vec2 upperRightUV;
        glm::vec2 pivot;
    };
 
    class RenderQueue
    {
    public:
        void Init();
        void Submit(const RenderCommand& command);
        void Submit(const RenderCommand2D& command);
        void Draw(GraphicsAPI& graphicsAPI, const CameraData& cameraData, const std::vector<LightData>& lights);
 
    private:
        std::vector<RenderCommand> m_commands;
        std::vector<RenderCommand2D> m_commands2D;
        std::shared_ptr<Mesh> m_mesh2D;
    };
}