Files
scummvm-cursorfix/engines/ultima/nuvie/screen/game_palette.cpp
2026-02-02 04:50:13 +01:00

163 lines
3.9 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/>.
*
*/
#include "ultima/nuvie/core/nuvie_defs.h"
#include "ultima/nuvie/misc/u6_misc.h"
#include "ultima/nuvie/files/nuvie_io_file.h"
#include "ultima/nuvie/conf/configuration.h"
#include "ultima/nuvie/screen/screen.h"
#include "ultima/nuvie/screen/dither.h"
#include "ultima/nuvie/screen/game_palette.h"
#include "common/util.h"
namespace Ultima {
namespace Nuvie {
GamePalette::GamePalette(Screen *s, const Configuration *cfg) : screen(s), config(cfg), counter(0) {
palette = (uint8 *)malloc(768);
memset(palette, 0, 768);
loadPalette();
set_palette();
}
GamePalette::~GamePalette() {
free(palette);
}
void GamePalette::set_palette() {
screen->set_palette(palette);
}
bool GamePalette::loadPalette() {
uint16 i, j;
Common::Path filename;
NuvieIOFileRead file;
Std::string game_name, game_id, pal_name;
config->value("config/GameName", game_name);
config->value("config/GameID", game_id);
pal_name.assign(game_id);
pal_name.append("pal");
config_get_path(config, pal_name, filename);
if (file.open(filename) == false) {
DEBUG(0, LEVEL_ERROR, "loading palette.\n");
return false;
}
unsigned char *buf = file.readAll();
uint8 *pal_ptr = palette;
for (i = 0, j = 0; i < MIN<uint32>(256U, file.get_size() / 3); i++, j += 3) {
pal_ptr[0] = buf[j] << 2;
pal_ptr[1] = buf[j + 1] << 2;
pal_ptr[2] = buf[j + 2] << 2;
pal_ptr += 3;
}
free(buf);
/*
printf("GIMP Palette\nName: SE\n#\n");
for (int i = 0; i < 0x100; i++)
{
for (int j = 0; j < 3; j++)
{
printf("% 3d ", palette[i*3+j]);
}
printf(" untitled\n");
}
*/
uint8 dither_mode = Game::get_game()->get_dither()->get_mode();
if (Game::get_game()->get_game_type() == NUVIE_GAME_U6) {
if (dither_mode == DITHER_NONE)
bg_color = 0x31;
else
bg_color = 0xf;
} else if (Game::get_game()->get_game_type() == NUVIE_GAME_MD)
bg_color = 220;
else // SE
bg_color = 72;
return true;
}
bool GamePalette::loadPaletteIntoBuffer(unsigned char *pal) {
uint16 i, j;
Common::Path filename;
NuvieIOFileRead file;
Std::string game_name, game_id, pal_name;
config->value("config/GameName", game_name);
config->value("config/GameID", game_id);
pal_name.assign(game_id);
pal_name.append("pal");
config_get_path(config, pal_name, filename);
if (file.open(filename) == false) {
DEBUG(0, LEVEL_ERROR, "loading palette.\n");
return false;
}
unsigned char *buf = file.readAll();
uint8 *pal_ptr = pal;
for (i = 0, j = 0; i < 256; i++, j += 3) {
pal_ptr[0] = buf[j] << 2;
pal_ptr[1] = buf[j + 1] << 2;
pal_ptr[2] = buf[j + 2] << 2;
pal_ptr[3] = 0;
pal_ptr += 4;
}
free(buf);
return true;
}
void GamePalette::rotatePalette() {
if (Game::get_game()->anims_paused())
return;
screen->rotate_palette(0xe0, 8); // Fires, braziers, candles
screen->rotate_palette(0xe8, 8); // BluGlo[tm] magical items
if (counter == 0) {
screen->rotate_palette(0xf0, 4); //
screen->rotate_palette(0xf4, 4); // Kitchen Cauldrons
screen->rotate_palette(0xf8, 4); // Poison Field
counter = 1;
} else
counter = 0;
}
} // End of namespace Nuvie
} // End of namespace Ultima