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https://github.com/libretro/scummvm.git
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105 lines
3.0 KiB
C++
105 lines
3.0 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
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (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, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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*/
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#include "create_ultima.h"
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#include "file.h"
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#define FILE_BUFFER_SIZE 1024
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typedef unsigned int uint32;
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#define DATA_SEGMENT_OFFSET 0x40D0
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#define LOGO_HEIGHT 64
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#define LOGO_WIDTH1 199
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#define LOGO_WIDTH2 76
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#define LOGO_TABLE1 0x3262
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#define LOGO_TABLE2 0x4320
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#define FLAG_WIDTH 8
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#define FLAG_HEIGHT 8
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#define NUM_FLAGS 3
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// Creates the logo.bmp file
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void createLogo(File &in) {
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int offsets[LOGO_HEIGHT][2];
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char buffer[LOGO_WIDTH1 + LOGO_WIDTH2 + 1];
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// Load in the tables
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in.seek(DATA_SEGMENT_OFFSET + LOGO_TABLE1);
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for (int y = 0; y < LOGO_HEIGHT; ++y)
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offsets[y][0] = in.readWord();
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in.seek(DATA_SEGMENT_OFFSET + LOGO_TABLE2);
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for (int y = 0; y < LOGO_HEIGHT; ++y)
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offsets[y][1] = in.readWord();
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// Set up a surface
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Surface out(LOGO_WIDTH1 + LOGO_WIDTH2, LOGO_HEIGHT);
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out.setPaletteEntry(0, 0, 0, 0);
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out.setPaletteEntry(1, 0xff, 0xff, 0xff);
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// Convert the lines
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for (int y = 0; y < LOGO_HEIGHT; ++y) {
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in.seek(DATA_SEGMENT_OFFSET + offsets[y][0]);
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in.read(buffer, LOGO_WIDTH1 + 1);
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assert(buffer[LOGO_WIDTH1] == '\0');
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in.seek(DATA_SEGMENT_OFFSET + offsets[y][1]);
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in.read(buffer + LOGO_WIDTH1, LOGO_WIDTH2 + 1);
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assert(buffer[LOGO_WIDTH1 + LOGO_WIDTH2] == '\0');
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byte *line = out.getBasePtr(0, y);
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for (int x = 0; x < (LOGO_WIDTH1 + LOGO_WIDTH2); ++x, ++line)
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*line = buffer[x] == '*' ? 1 : 0;
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}
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out.saveToFile("logo.bmp");
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}
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// Creates the flags.bmp file
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void createFlags(File &in) {
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Surface out(FLAG_WIDTH * NUM_FLAGS, FLAG_HEIGHT);
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out.setPaletteEntry(10, 0, 0, 0);
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out.setPaletteEntry(11, 0xff, 0xff, 0xff);
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in.seek(DATA_SEGMENT_OFFSET + 0x124);
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for (int flagNum = 0; flagNum < NUM_FLAGS; ++flagNum) {
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for (int yp = 0; yp < FLAG_HEIGHT; ++yp) {
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byte *line = out.getBasePtr(flagNum * FLAG_WIDTH, yp);
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for (int xp = 0; xp < FLAG_WIDTH; ++xp)
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*line++ = in.readByte() ? 10 : 11;
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}
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}
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out.saveToFile("flags.bmp");
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}
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void extractUltima1Resources() {
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// Open up ultima1.exe for logo
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File u1("ultima.exe");
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if (u1.computeMD5() != 64620)
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error("Unknown version of Ultima 1 ultima.exe");
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// Extract the Origin logo and flag animation data
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createLogo(u1);
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createFlags(u1);
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}
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