145 lines
3.8 KiB
C++
145 lines
3.8 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include "got/gfx/palette.h"
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#include "common/events.h"
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#include "common/system.h"
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#include "got/got.h"
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#include "got/utils/file.h"
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#include "got/vars.h"
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#include "graphics/paletteman.h"
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namespace Got {
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namespace Gfx {
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#define FADE_STEPS 10
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static byte saved_palette[Graphics::PALETTE_SIZE];
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Palette63::Palette63(const byte *pal) {
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for (uint i = 0; i < Graphics::PALETTE_SIZE; ++i)
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_pal[i] = pal[i] << 2;
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}
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void loadPalette() {
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if (resourceRead("PALETTE", saved_palette) < 0)
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error("Cannot Read PALETTE");
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g_system->getPaletteManager()->setPalette(saved_palette, 0, 256);
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}
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void setScreenPal() {
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byte pal[3];
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xGetPal(pal, 1, _G(scrn)._palColors[0]);
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xSetPal(251, pal[0], pal[1], pal[2]);
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xGetPal(pal, 1, _G(scrn)._palColors[1]);
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xSetPal(252, pal[0], pal[1], pal[2]);
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xGetPal(pal, 1, _G(scrn)._palColors[2]);
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xSetPal(253, pal[0], pal[1], pal[2]);
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}
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void xSetPal(const byte color, const byte R, const byte G, const byte B) {
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byte rgb[3] = {R, G, B};
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g_system->getPaletteManager()->setPalette(rgb, color, 1);
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}
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void xSetPal(const byte *pal) {
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g_system->getPaletteManager()->setPalette(pal, 0, Graphics::PALETTE_COUNT);
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}
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void setPalette(const byte *pal) {
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xSetPal(pal);
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Common::copy(pal, pal + Graphics::PALETTE_SIZE, saved_palette);
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}
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void xGetPal(byte *pal, const int numColors, const int startIndex) {
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g_system->getPaletteManager()->grabPalette(pal, startIndex, numColors);
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}
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void fadeOut() {
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byte tempPal[Graphics::PALETTE_SIZE];
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const byte *srcP;
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byte *destP;
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int count;
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Common::Event evt;
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xGetPal(saved_palette, Graphics::PALETTE_COUNT, 0);
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for (int step = FADE_STEPS - 1; step >= 0; --step) {
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// Set each palette RGB proportionately
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for (srcP = &saved_palette[0], destP = &tempPal[0], count = 0;
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count < Graphics::PALETTE_SIZE; ++count, ++srcP, ++destP) {
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*destP = *srcP * step / FADE_STEPS;
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}
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// Set new palette
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xSetPal(tempPal);
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// Use up any pending events and update the screen
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while (g_system->getEventManager()->pollEvent(evt)) {
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if (evt.type == Common::EVENT_QUIT)
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return;
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}
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g_events->getScreen()->update();
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g_system->delayMillis(10);
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}
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}
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void fadeIn(const byte *pal) {
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byte tempPal[Graphics::PALETTE_SIZE];
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const byte *srcP;
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byte *destP;
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int count;
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Common::Event evt;
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if (pal)
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Common::copy(pal, pal + Graphics::PALETTE_SIZE, saved_palette);
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// Start with a black palette
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Common::fill(tempPal, tempPal + Graphics::PALETTE_SIZE, 0);
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xSetPal(tempPal);
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for (int step = 1; step <= FADE_STEPS; ++step) {
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// Set each palette RGB proportionately
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for (srcP = &saved_palette[0], destP = &tempPal[0], count = 0;
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count < Graphics::PALETTE_SIZE; ++count, ++srcP, ++destP) {
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*destP = *srcP * step / FADE_STEPS;
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}
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// Set new palette
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xSetPal(tempPal);
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// Use up any pending events and update the screen
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while (g_system->getEventManager()->pollEvent(evt)) {
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if (evt.type == Common::EVENT_QUIT)
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return;
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}
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g_events->getScreen()->update();
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g_system->delayMillis(10);
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}
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}
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} // namespace Gfx
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} // namespace Got
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