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engines/ultima/nuvie/screen/game_palette.cpp

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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 "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