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lighting_technique.h
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/*
Copyright 2011 Etay Meiri
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef LIGHTING_TECHNIQUE_20_H
#define LIGHTING_TECHNIQUE_20_H
#include "technique.h"
#include "ogldev_math_3d.h"
#include "ogldev_lights_common.h"
class LightingTechnique : public Technique {
public:
static const unsigned int MAX_POINT_LIGHTS = 2;
LightingTechnique();
virtual bool Init();
void SetWVP(const Matrix4f& WVP);
void SetWorldMatrix(const Matrix4f& WVP);
void SetTextureUnit(unsigned int TextureUnit);
void SetDirectionalLight(const DirectionalLight& Light);
void SetPointLights(unsigned int NumLights, const PointLight* pLights);
void SetEyeWorldPos(const Vector3f& EyeWorldPos);
void SetMatSpecularIntensity(float Intensity);
void SetMatSpecularPower(float Power);
private:
GLuint m_WVPLocation;
GLuint m_WorldMatrixLocation;
GLuint m_samplerLocation;
GLuint m_eyeWorldPosLocation;
GLuint m_matSpecularIntensityLocation;
GLuint m_matSpecularPowerLocation;
GLuint m_numPointLightsLocation;
struct {
GLuint Color;
GLuint AmbientIntensity;
GLuint DiffuseIntensity;
GLuint Direction;
} m_dirLightLocation;
struct {
GLuint Color;
GLuint AmbientIntensity;
GLuint DiffuseIntensity;
GLuint Position;
struct
{
GLuint Constant;
GLuint Linear;
GLuint Exp;
} Atten;
} m_pointLightsLocation[MAX_POINT_LIGHTS];
};
#endif /* LIGHTING_TECHNIQUE_H */