ShadowMapRenderShaderBaseImplementation.h

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#pragma once
 
#include <tdme/tdme.h>
#include <tdme/engine/fwd-tdme.h>
#include <tdme/engine/subsystems/renderer/fwd-tdme.h>
#include <tdme/engine/subsystems/shadowmapping/fwd-tdme.h>
#include <tdme/engine/subsystems/shadowmapping/ShadowMapRenderShaderImplementation.h>
#include <tdme/math/fwd-tdme.h>
#include <tdme/math/Matrix4x4.h>
#include <tdme/math/Vector3.h>
 
using tdme::engine::subsystems::renderer::Renderer;
using tdme::engine::subsystems::shadowmapping::ShadowMapRenderShaderImplementation;
using tdme::engine::Engine;
using tdme::math::Matrix4x4;
using tdme::math::Vector3;
 
/**
 * Shadow mapping base shader to render shadow maps
 * @author Andreas Drewke
 * @version $Id$
 */
class tdme::engine::subsystems::shadowmapping::ShadowMapRenderShaderBaseImplementation: public ShadowMapRenderShaderImplementation
{
protected:
    Renderer* renderer { nullptr };
    int32_t vertexShaderId { -1 };
    int32_t renderGeometryShaderId { -1 };
    int32_t fragmentShaderId { -1 };
    int32_t programId { -1 };
    int32_t renderUniformShadowMapLookUps { -1 };
    int32_t uniformTextureUnit { -1 };
    int32_t renderUniformTexturePixelWidth { -1 };
    int32_t renderUniformTexturePixelHeight { -1 };
    int32_t renderUniformDepthBiasMVPMatrix { -1 };
    int32_t renderUniformProjectionMatrix { -1 };
    int32_t renderUniformCameraMatrix { -1 };
    int32_t renderUniformMVMatrix { -1 };
    int32_t renderUniformMVPMatrix { -1 };
    int32_t renderUniformNormalMatrix { -1 };
    int32_t renderUniformModelTranslation { -1 };
    int32_t uniformTextureMatrix { -1 };
    int32_t uniformTextureAtlasSize { -1 };
    int32_t uniformTextureAtlasPixelDimension { -1 };
    int32_t uniformDiffuseTextureUnit { -1 };
    int32_t uniformDiffuseTextureAvailable { -1 };
    int32_t uniformDiffuseTextureMaskedTransparency { -1 };
    int32_t uniformDiffuseTextureMaskedTransparencyThreshold { -1 };
    int32_t renderUniformLightPosition { -1 };
    int32_t renderUniformLightDirection { -1 };
    int32_t renderUniformLightSpotExponent { -1 };
    int32_t renderUniformLightSpotCosCutoff { -1 };
    int32_t renderUniformLightConstantAttenuation { -1 };
    int32_t renderUniformLightLinearAttenuation { -1 };
    int32_t renderUniformLightQuadraticAttenuation { -1 };
    int32_t renderUniformTime { -1 };
    bool initialized;
    int lightId { -1 };
 
public:
    /**
     * Public constructor
     * @param renderer renderer
     */
    ShadowMapRenderShaderBaseImplementation(Renderer* renderer);
 
    /**
     * Destructor
     */
    virtual ~ShadowMapRenderShaderBaseImplementation();
 
    // overridden methods
    virtual bool isInitialized() override;
    virtual void initialize() override;
    virtual void useProgram(Engine* engine, int contextIdx) override;
    virtual void unUseProgram(int contextIdx) override;
    virtual void updateMatrices(int contextIdx) override;
    virtual void updateTextureMatrix(Renderer* renderer, int contextIdx) override;
    virtual void updateMaterial(Renderer* renderer, int contextIdx) override;
    virtual void updateLight(Renderer* renderer, int contextIdx, int32_t lightId) override;
    virtual void updateShaderParameters(Renderer* renderer, int contextIdx) override = 0;
    virtual void bindTexture(Renderer* renderer, int contextIdx, int32_t textureId) override;
    virtual void setDepthBiasMVPMatrix(int contextIdx, const Matrix4x4& depthBiasMVPMatrix) override;
    virtual void setRenderLightId(int32_t lightId) override;
 
};