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Diffstat (limited to 'engines/drascula/palette.cpp')
| -rw-r--r-- | engines/drascula/palette.cpp | 202 |
1 files changed, 202 insertions, 0 deletions
diff --git a/engines/drascula/palette.cpp b/engines/drascula/palette.cpp new file mode 100644 index 0000000000..ad57bce618 --- /dev/null +++ b/engines/drascula/palette.cpp @@ -0,0 +1,202 @@ +/* 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. + * + * $URL$ + * $Id$ + * + */ + +#include "drascula/drascula.h" + +namespace Drascula { + +void DrasculaEngine::setRGB(byte *pal, int colorCount) { + int x, cnt = 0; + + for (x = 0; x < colorCount; x++) { + gamePalette[x][0] = pal[cnt++] / 4; + gamePalette[x][1] = pal[cnt++] / 4; + gamePalette[x][2] = pal[cnt++] / 4; + } + setPalette((byte *)&gamePalette); +} + +void DrasculaEngine::black() { + int color, component; + DacPalette256 blackPalette; + + for (color = 0; color < 256; color++) + for (component = 0; component < 3; component++) + blackPalette[color][component] = 0; + + blackPalette[254][0] = 0x3F; + blackPalette[254][1] = 0x3F; + blackPalette[254][2] = 0x15; + + setPalette((byte *)&blackPalette); +} + +void DrasculaEngine::setPalette(byte *PalBuf) { + byte pal[256 * 4]; + int i; + + for (i = 0; i < 256; i++) { + pal[i * 4 + 0] = PalBuf[i * 3 + 0] * 4; + pal[i * 4 + 1] = PalBuf[i * 3 + 1] * 4; + pal[i * 4 + 2] = PalBuf[i * 3 + 2] * 4; + pal[i * 4 + 3] = 0; + } + _system->setPalette(pal, 0, 256); + _system->updateScreen(); +} + +void DrasculaEngine::color_abc(int cl) { + _color = cl; + + char colorTable[][3] = { + { 0, 0, 0 }, { 0x10, 0x3E, 0x28 }, + { 0, 0, 0 }, // unused + { 0x16, 0x3F, 0x16 }, { 0x09, 0x3F, 0x12 }, + { 0x3F, 0x3F, 0x15 }, + { 0, 0, 0 }, // unused + { 0x38, 0, 0 }, { 0x3F, 0x27, 0x0B }, + { 0x2A, 0, 0x2A }, { 0x30, 0x30, 0x30 }, + { 98, 91, 100 } + }; + + for (int i = 0; i <= 2; i++) + gamePalette[254][i] = colorTable[cl][i]; + + setPalette((byte *)&gamePalette); +} + +char DrasculaEngine::adjustToVGA(char value) { + return (value & 0x3F) * (value > 0); +} + +void DrasculaEngine::fadeToBlack(int fadeSpeed) { + char fade; + unsigned int color, component; + + DacPalette256 palFade; + + for (fade = 63; fade >= 0; fade--) { + for (color = 0; color < 256; color++) { + for (component = 0; component < 3; component++) { + palFade[color][component] = adjustToVGA(gamePalette[color][component] - 63 + fade); + } + } + pause(fadeSpeed); + + setPalette((byte *)&palFade); + } +} + +void DrasculaEngine::fadeFromBlack(int fadeSpeed) { + char fade; + unsigned int color, component; + + DacPalette256 palFade; + + for (fade = 0; fade < 64; fade++) { + for (color = 0; color < 256; color++) { + for (component = 0; component < 3; component++) { + palFade[color][component] = adjustToVGA(gamePalette[color][component] - 63 + fade); + } + } + pause(fadeSpeed); + + setPalette((byte *)&palFade); + } +} + +void DrasculaEngine::assignDefaultPalette() { + int color, component; + + for (color = 235; color < 253; color++) + for (component = 0; component < 3; component++) + defaultPalette[color][component] = gamePalette[color][component]; +} + +void DrasculaEngine::assignBrightPalette() { + int color, component; + + for (color = 235; color < 253; color++) { + for (component = 0; component < 3; component++) + brightPalette[color][component] = gamePalette[color][component]; + } +} + +void DrasculaEngine::assignDarkPalette() { + int color, component; + + for (color = 235; color < 253; color++) { + for (component = 0; component < 3; component++) + darkPalette[color][component] = gamePalette[color][component]; + } +} + +void DrasculaEngine::setDefaultPalette() { + int color, component; + + for (color = 235; color < 253; color++) { + for (component = 0; component < 3; component++) { + gamePalette[color][component] = defaultPalette[color][component]; + } + } + setPalette((byte *)&gamePalette); +} + +void DrasculaEngine::setBrightPalette() { + int color, component; + + for (color = 235; color < 253; color++) { + for (component = 0; component < 3; component++) + gamePalette[color][component] = brightPalette[color][component]; + } + + setPalette((byte *)&gamePalette); +} + +void DrasculaEngine::setDarkPalette() { + int color, component; + + for (color = 235; color < 253; color++ ) + for (component = 0; component < 3; component++) + gamePalette[color][component] = darkPalette[color][component]; + + setPalette((byte *)&gamePalette); +} + +void DrasculaEngine::setPaletteBase(int darkness) { + char fade; + unsigned int color, component; + + for (fade = darkness; fade >= 0; fade--) { + for (color = 235; color < 253; color++) { + for (component = 0; component < 3; component++) + gamePalette[color][component] = adjustToVGA(gamePalette[color][component] - 8 + fade); + } + } + + setPalette((byte *)&gamePalette); +} + +} // End of namespace Drascula |