99 lines
3.4 KiB
C++
99 lines
3.4 KiB
C++
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/* 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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void extractStringTable(File &src, const char *filename, int offset, int count) {
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if (offset != -1)
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src.seek(offset);
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WriteFile dest(filename);
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char c;
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for (int idx = 0; idx < count; ++idx) {
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do {
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c = src.readByte();
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dest.writeByte(c);
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} while (c != '\0');
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}
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}
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void extractData(File &src, const char *filename, int offset, int size) {
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if (offset != -1)
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src.seek(offset);
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WriteFile dest(filename);
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dest.write(src, size);
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}
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void extractUltima4Resources() {
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// Extract string tables from avatar.exe
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File f2("avatar.exe");
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if (f2.computeMD5() != 55967)
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error("Unknown version of Ultima 4 avatar.exe");
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// Extract string tables
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extractStringTable(f2, "hawkwind.dat", 74729, 53);
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extractStringTable(f2, "lb_keywords.dat", 87581, 24);
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extractStringTable(f2, "lb_text.dat", 87754, 25);
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extractStringTable(f2, "virtue.dat", 0x0fc7b, 11);
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extractStringTable(f2, "endgame1.dat", 0x0fee4, 7);
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extractStringTable(f2, "endgame2.dat", 0x10187, 5);
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extractStringTable(f2, "shrines.dat", 93682, 24);
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// Extract string tables from title.exe
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File f1("title.exe");
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if (f1.computeMD5() != 115195)
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error("Unknown version of Ultima 4 title.exe");
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const int INTRO_TEXT_OFFSET = 17445 - 1; // (start at zero)
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extractStringTable(f1, "intro_questions.dat", INTRO_TEXT_OFFSET, 28);
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extractStringTable(f1, "intro_text.dat", -1, 24);
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extractStringTable(f1, "intro_gypsy.dat", -1, 15);
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// Extract miscellaneous data from the title.exe
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#define INTRO_MAP_OFFSET 30339
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#define INTRO_FIXUPDATA_OFFSET 29806
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#define INTRO_SCRIPT_TABLE_SIZE 548
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#define INTRO_SCRIPT_TABLE_OFFSET 30434
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#define INTRO_BASETILE_TABLE_SIZE 15
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#define INTRO_BASETILE_TABLE_OFFSET 16584
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#define BEASTIE1_FRAMES 0x80
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#define BEASTIE2_FRAMES 0x40
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#define BEASTIE_FRAME_TABLE_OFFSET 0x7380
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#define BEASTIE1_FRAMES_OFFSET 0
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#define BEASTIE2_FRAMES_OFFSET 0x78
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#define INTRO_MAP_HEIGHT 5
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#define INTRO_MAP_WIDTH 19
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extractData(f1, "intro_sig.dat", INTRO_FIXUPDATA_OFFSET, 533);
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extractData(f1, "intro_map.dat", INTRO_MAP_OFFSET,
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INTRO_MAP_WIDTH * INTRO_MAP_HEIGHT);
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extractData(f1, "intro_script.dat", INTRO_SCRIPT_TABLE_OFFSET, INTRO_SCRIPT_TABLE_SIZE);
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extractData(f1, "intro_base_tile.dat", INTRO_BASETILE_TABLE_OFFSET, INTRO_BASETILE_TABLE_SIZE);
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extractData(f1, "intro_beastie1.dat", BEASTIE_FRAME_TABLE_OFFSET + BEASTIE1_FRAMES_OFFSET,
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BEASTIE1_FRAMES);
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extractData(f1, "intro_beastie2.dat", BEASTIE_FRAME_TABLE_OFFSET + BEASTIE2_FRAMES_OFFSET,
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BEASTIE2_FRAMES);
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}
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