BatchRendererTriangles.h

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#pragma once
 
#include <array>
#include <memory>
#include <vector>
 
#include <tdme/tdme.h>
#include <tdme/engine/model/fwd-tdme.h>
#include <tdme/engine/Color4.h>
#include <tdme/engine/subsystems/renderer/fwd-tdme.h>
#include <tdme/engine/subsystems/renderer/Renderer.h>
#include <tdme/engine/subsystems/rendering/fwd-tdme.h>
#include <tdme/math/fwd-tdme.h>
#include <tdme/math/Matrix4x4.h>
#include <tdme/math/Vector2.h>
#include <tdme/math/Vector3.h>
#include <tdme/utilities/fwd-tdme.h>
#include <tdme/utilities/FloatBuffer.h>
 
using std::array;
using std::unique_ptr;
using std::vector;
 
using tdme::engine::Color4;
using tdme::engine::subsystems::renderer::Renderer;
using tdme::math::Matrix4x4;
using tdme::math::Vector2;
using tdme::math::Vector3;
using tdme::utilities::ByteBuffer;
using tdme::utilities::FloatBuffer;
 
/**
 * Batch renderer for transparent triangles
 * @author andreas.drewke
 */
class tdme::engine::subsystems::rendering::BatchRendererTriangles final
{
    friend class TransparentRenderFacesGroup;
 
private:
    static constexpr int32_t TRIANGLE_COUNT { 1024 };
    static constexpr int32_t VERTEX_COUNT { TRIANGLE_COUNT * 3 };
    Renderer* renderer { nullptr };
    vector<int32_t>* vboIds { nullptr };
    int32_t id;
    bool acquired;
    int32_t vertices;
    unique_ptr<ByteBuffer> fbModelMatricesByteBuffer;
    FloatBuffer fbModelMatrices;
    unique_ptr<ByteBuffer> fbEffectColorMulsByteBuffer;
    FloatBuffer fbEffectColorMuls;
    unique_ptr<ByteBuffer> fbEffectColorAddsByteBuffer;
    FloatBuffer fbEffectColorAdds;
    unique_ptr<ByteBuffer> fbVerticesByteBuffer;
    FloatBuffer fbVertices;
    unique_ptr<ByteBuffer> fbNormalsByteBuffer;
    FloatBuffer fbNormals;
    unique_ptr<ByteBuffer> fbTextureCoordinatesByteBuffer;
    FloatBuffer fbTextureCoordinates;
 
    /**
     * Clears this batch vbo renderer
     */
    void clear();
 
    /**
     * Render
     */
    void render();
 
    /**
     * Adds a vertex to this transparent render faces group
     * @param vertex vertex
     * @param normal normal
     * @param textureCoordinate texture coordinate
     * @return success
     */
    inline bool addVertex(const Vector3& vertex, const Vector3& normal, const Vector2& textureCoordinate) {
        // check if full
        if (vertices == VERTEX_COUNT) return false;
 
        // otherwise
        fbVertices.put(vertex.getArray());
        fbNormals.put(normal.getArray());
        fbTextureCoordinates.put(textureCoordinate.getArray());
 
        //
        vertices++;
        return true;
    }
 
public:
    // forbid class copy
    FORBID_CLASS_COPY(BatchRendererTriangles)
 
    /**
     * Public constructor
     * @param renderer renderer
     * @param id id
     */
    BatchRendererTriangles(Renderer* renderer, int32_t id);
 
    /**
     * Destructor
     */
    ~BatchRendererTriangles();
 
    /**
     * @return acquired
     */
    bool isAcquired();
 
    /**
     * Acquire
     */
    bool acquire();
 
    /**
     * Release
     */
    void release();
 
    /**
     * Init
     */
    void initialize();
 
    /**
     * Dispose
     */
    void dispose();
 
};