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engines/toltecs/palette.h

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+/* 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 TOLTECS_PALETTE_H
+#define TOLTECS_PALETTE_H
+
+#include "common/array.h"
+#include "common/system.h"
+
+#include "toltecs/toltecs.h"
+
+namespace Toltecs {
+
+//#define ROT(index) (((index << 4) & 0xF0) | ((index >> 4) & 0x0F))
+//#define ROT(index) (index)
+
+class Palette {
+public:
+	Palette(ToltecsEngine *vm);
+	~Palette();
+
+	void setFullPalette(byte *palette);
+	void getFullPalette(byte *palette);
+	void setDeltaPalette(byte *palette, byte mask, int8 deltaValue, int16 count, int16 startIndex);
+
+	void loadAddPalette(uint resIndex, byte startIndex);
+	void loadAddPaletteFrom(byte *source, byte startIndex, byte count);
+
+	void addFragment(uint resIndex, int16 id);
+	uint16 findFragment(int16 id);
+	void clearFragments();
+
+	byte getMatchingColor(byte r, byte g, byte b);
+	void buildColorTransTable(byte limit, int8 deltaValue, byte mask);
+	byte getColorTransPixel(byte pixel) const { return _colorTransTable[pixel]; }
+
+	byte *getMainPalette() { return _mainPalette; }
+	byte *getAnimPalette() { return _animPalette; }
+
+	void saveState(Common::WriteStream *out);
+	void loadState(Common::ReadStream *in);
+
+protected:
+
+	struct PaletteFragment {
+		int16 id;
+		byte index, count;
+	};
+
+	typedef Common::Array<PaletteFragment> PaletteFragmentArray;
+
+	ToltecsEngine *_vm;
+
+	byte _mainPalette[768];
+	byte _animPalette[768];
+	byte _colorTransTable[256];
+
+	PaletteFragmentArray _fragments;
+	byte _fragmentIndex;
+
+};
+
+} // End of namespace Toltecs
+
+#endif /* TOLTECS_PALETTE_H */