PlaneModelRenderer.h

#pragma once
 
#include "../../../Vertex.h"
#include "../../Renderer.h"
 
// init --_
//       `-->begin() 
//       |
//       | --> draw()
//       | --> draw()
//       |
//       |--> end() 
//       `--> renderBatch() 
 
class PlaneModelRenderer : public Taz::Renderer {
public:
    PlaneModelRenderer();
    ~PlaneModelRenderer();
 
    void init() override;
 
    void begin() override;
 
    void initBatch(Taz::RenderBatch& batch);
 
    void drawTriangle(
        size_t v_index,
        const glm::vec3& triangleOffset,
        const glm::vec3& mRotation,
        const glm::vec2& uv1, const glm::vec2& uv2, const glm::vec2& uv3,
        GLuint texture);
 
    void draw(size_t v_index,
        const glm::vec2& rectSize,
        const glm::vec3& position,
        const glm::vec3& mRotation,
        const glm::vec4& uvRect,
        GLuint texture
    );
 
    void endBatch(const Taz::RenderBatch& batch) override;
 
    void dispose();
private:
    void createInstancesVBO();
    void createVertexArray();
 
    std::vector<TextureMeshRenderer> _meshesElements;
 
    size_t currentBatchIndex = 0;
 
};