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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/>.
*
*/
#include "graphics/paletteman.h"
#include "darkseed/pal.h"
#include "darkseed/darkseed.h"
namespace Darkseed {
#define DARKSEED_NUM_PAL_ENTRIES 16
#define DARKSEED_PAL_SIZE (DARKSEED_NUM_PAL_ENTRIES * 3)
Pal::Pal(const Pal &pal) {
load(pal);
}
void Pal::load(const Pal &pal) {
memcpy(_palData, pal._palData, DARKSEED_PAL_SIZE);
}
bool Pal::load(const Common::Path &filename, bool shouldInstallPalette) {
Common::File file;
if (!file.open(filename)) {
loadFromScreen();
return false;
}
uint32 bytesRead = file.read(_palData, DARKSEED_PAL_SIZE);
assert(bytesRead == DARKSEED_PAL_SIZE);
for (int i = 0; i < DARKSEED_PAL_SIZE; i++) {
_palData[i] = _palData[i] << 2;
}
if (shouldInstallPalette) {
installPalette();
}
return true;
}
void Pal::loadFromScreen() {
g_system->getPaletteManager()->grabPalette(_palData, 0, DARKSEED_NUM_PAL_ENTRIES);
}
void Pal::clear() {
memset(_palData, 0, DARKSEED_PAL_SIZE);
}
void Pal::updatePalette(int delta, const Pal &targetPal, bool shouldInstallPalette) {
for (int i = 0; i < DARKSEED_PAL_SIZE; i++) {
int c = _palData[i] + delta;
if (c < 0) {
c = 0;
} else if (delta > 0 && c > targetPal._palData[i]) {
c = targetPal._palData[i];
}
_palData[i] = (uint8)c;
}
if (shouldInstallPalette) {
installPalette();
}
}
void Pal::installPalette() const {
g_system->getPaletteManager()->setPalette(_palData, 0, DARKSEED_NUM_PAL_ENTRIES);
}
} // namespace Darkseed
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