scummvm/engines/neverhood/palette.h
2021-12-26 18:48:43 +01:00

69 lines
2.3 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 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 NEVERHOOD_PALETTE_H
#define NEVERHOOD_PALETTE_H
#include "neverhood/neverhood.h"
#include "neverhood/entity.h"
namespace Neverhood {
class Palette : public Entity {
public:
// Default constructor with black palette
Palette(NeverhoodEngine *vm);
// Create from existing palette
Palette(NeverhoodEngine *vm, byte *palette);
// Create from resource with filename
Palette(NeverhoodEngine *vm, const char *filename);
// Create from resource with fileHash
Palette(NeverhoodEngine *vm, uint32 fileHash);
~Palette() override;
void init();
void usePalette();
void addPalette(const char *filename, int toIndex, int count, int fromIndex);
void addPalette(uint32 fileHash, int toIndex, int count, int fromIndex);
void addBasePalette(uint32 fileHash, int toIndex, int count, int fromIndex);
void copyPalette(const byte *palette, int toIndex, int count, int fromIndex);
void copyBasePalette(int toIndex, int count, int fromIndex);
void startFadeToBlack(int counter);
void startFadeToWhite(int counter);
void startFadeToPalette(int counter);
void fillBaseWhite(int index, int count);
void fillBaseBlack(int index, int count);
void copyToBasePalette(byte *palette);
protected:
int _status;
byte *_palette;
byte *_basePalette;
int _palCounter;
byte _fadeToR, _fadeToG, _fadeToB;
int _fadeStep;
void update();
void fadeColor(byte *rgb, byte toR, byte toG, byte toB);
int calculateFadeStep(int counter);
};
} // End of namespace Neverhood
#endif /* NEVERHOOD_PALETTE_H */