LightingShaderImplementation.h

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#pragma once
 
#include <array>
 
#include <tdme/tdme.h>
#include <tdme/engine/fwd-tdme.h>
#include <tdme/engine/subsystems/lighting/fwd-tdme.h>
#include <tdme/engine/subsystems/lighting/LightingShaderConstants.h>
#include <tdme/engine/subsystems/renderer/fwd-tdme.h>
#include <tdme/math/fwd-tdme.h>
#include <tdme/math/Matrix4x4.h>
 
using std::array;
 
using tdme::engine::subsystems::lighting::LightingShaderConstants;
using tdme::engine::subsystems::renderer::Renderer;
using tdme::engine::Engine;
using tdme::math::Matrix4x4;
 
/**
 * Lighting shader implementation interface
 * @author Andreas Drewke
 */
struct tdme::engine::subsystems::lighting::LightingShaderImplementation
{
    /**
     * Destructor
     */
    virtual ~LightingShaderImplementation() {}
 
    /**
     * @return shader id
     */
    virtual const string getId() = 0;
 
    /**
     * @return initialized and ready to be used
     */
    virtual bool isInitialized() = 0;
 
    /**
     * Initialize renderer
     */
    virtual void initialize() = 0;
 
    /**
     * Register shader
     */
    virtual void registerShader() = 0;
 
    /**
     * Use lighting program
     * @param engine engine
     * @param contextIdx context index
     */
    virtual void useProgram(Engine* engine, int contextIdx) = 0;
 
    /**
     * Unuse lighting program
     * @param contextIdx context index
     */
    virtual void unUseProgram(int contextIdx) = 0;
 
    /**
     * Update effect to program
     * @param renderer renderer
     * @param contextIdx context index
     */
    virtual void updateEffect(Renderer* renderer, int contextIdx) = 0;
 
    /**
     * Update material to program
     * @param renderer renderer
     * @param contextIdx context index
     */
    virtual void updateMaterial(Renderer* renderer, int contextIdx) = 0;
 
    /**
     * Update light to program
     * @param renderer renderer
     * @param contextIdx context index
     * @param lightId light id
     */
    virtual void updateLight(Renderer* renderer, int contextIdx, int32_t lightId) = 0;
 
    /**
     * Update matrices to program
     * @param renderer renderer
     * @param contextIdx context index
     */
    virtual void updateMatrices(Renderer* renderer, int contextIdx) = 0;
 
    /**
     * Update texture matrix to program
     * @param renderer renderer
     * @param contextIdx context index
     */
    virtual void updateTextureMatrix(Renderer* renderer, int contextIdx) = 0;
 
    /**
     * Update shader parameters
     * @param renderer renderer
     * @param context
     */
    virtual void updateShaderParameters(Renderer* renderer, int contextIdx) = 0;
 
    /**
     * Bind texture
     * @param renderer renderer
     * @param contextIdx context index
     * @param textureId texture id
     */
    virtual void bindTexture(Renderer* renderer, int contextIdx, int32_t textureId) = 0;
 
    /**
     * Unload textures
     */
    virtual void unloadTextures() = 0;
 
    /**
     * Load textures
     * @param pathName path name
     */
    virtual void loadTextures(const string& pathName) = 0;
 
};