scummvm/engines/bladerunner/fog.h
2019-01-24 23:14:57 +01:00

118 lines
2.8 KiB
C++

/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* 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 2
* 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, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#ifndef BLADERUNNER_FOG_H
#define BLADERUNNER_FOG_H
#include "bladerunner/color.h"
#include "bladerunner/matrix.h"
namespace Common {
class ReadStream;
}
namespace BladeRunner {
class SetEffects;
class Fog {
friend class SetEffects;
friend class Debugger;
protected:
Common::String _name;
int _frameCount;
int _animatedParameters;
Matrix4x3 _matrix;
Matrix4x3 _inverted;
Color _fogColor;
float _fogDensity;
float *_animationData;
float *_m11ptr;
float *_m12ptr;
float *_m13ptr;
float *_m14ptr;
float *_m21ptr;
float *_m22ptr;
float *_m23ptr;
float *_m24ptr;
float *_m31ptr;
float *_m32ptr;
float *_m33ptr;
float *_m34ptr;
Fog *_next;
public:
Fog();
virtual ~Fog();
virtual void read(Common::ReadStream *stream, int frameCount) = 0;
virtual void calculateCoeficient(Vector3 position, Vector3 viewPosition, float *coeficient) = 0;
void reset();
void setupFrame(int frame);
protected:
int readCommon(Common::ReadStream *stream);
void readAnimationData(Common::ReadStream *stream, int count);
};
class FogSphere : public Fog {
private:
float _radius;
public:
FogSphere():_radius(0.0f) {};
void read(Common::ReadStream *stream, int frameCount);
void calculateCoeficient(Vector3 position, Vector3 viewPosition, float *coeficient);
};
class FogCone : public Fog {
private:
float _coneAngle;
public:
FogCone():_coneAngle(0.0f) {};
void read(Common::ReadStream *stream, int frameCount);
void calculateCoeficient(Vector3 position, Vector3 viewPosition, float *coeficient);
};
class FogBox : public Fog {
private:
Vector3 _size;
public:
FogBox():_size() {};
void read(Common::ReadStream *stream, int frameCount);
void calculateCoeficient(Vector3 position, Vector3 viewPosition, float *coeficient);
};
} // End of namespace BladeRunner
#endif