gShadowMap.h

Go to the documentation of this file.

/*
 * Copyright (C) 2016 Nitra Games Ltd.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
 
#ifndef GRAPHICS_GSHADOWMAP_H_
#define GRAPHICS_GSHADOWMAP_H_
 
#include "gRenderObject.h"
#include "gFbo.h"
#include "gLight.h"
#include "gCamera.h"
 
 
class gShadowMap : public gRenderObject {
public:
    gShadowMap();
    virtual ~gShadowMap();
 
    void allocate(gLight* light, gCamera* camera, int width = 4096, int height = 4096);
    bool isAllocated() const;
    int getWidth() const;
    int getHeight() const;
 
    void update();
 
    void setLight(gLight* light);
    void setCamera(gCamera* camera);
    gLight* getLight() const;
    gCamera* getCamera() const;
 
    void activate();
    void deactivate();
    bool isActivated() const;
 
    void enable();
    void disable();
    bool isEnabled() const;
 
    void setLightProjection(glm::mat4 lightProjection);
    void setLightProjection(float leftx, float rightx, float fronty, float backy, float nearz, float farz);
    void setLightView(glm::mat4 lightView);
    glm::mat4 getLightProjection() const;
    glm::mat4 getLightView() const;
    glm::mat4 getLightMatrix() const;
 
    gFbo& getDepthFbo();
 
 
private:
    bool isallocated, isactivated, isenabled;
    gLight* light;
    gCamera* camera;
    glm::mat4 lightprojection, lightview, lightmatrix;
    glm::vec3 lightposition;
    gFbo depthfbo;
    int width, height;
    int shadowmaptextureslot;
    bool updateshadows;
};
 
#endif /* GRAPHICS_GSHADOWMAP_H_ */