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/* ScummVM Tools
*
* ScummVM Tools 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/>.
*
*/
/* Extract data files from C64 version of Zak McKracken */
#include <stdio.h>
#include <stdarg.h>
#include "extract_zak_c64.h"
#define NUM_ROOMS 59
unsigned char room_disks_c64[NUM_ROOMS], room_tracks_c64[NUM_ROOMS], room_sectors_c64[NUM_ROOMS];
static const int SectorOffset[36] = {
0,
0, 21, 42, 63, 84, 105, 126, 147, 168, 189, 210, 231, 252, 273, 294, 315, 336,
357, 376, 395, 414, 433, 452, 471,
490, 508, 526, 544, 562, 580,
598, 615, 632, 649, 666
};
static const int ResourcesPerFile[NUM_ROOMS] = {
0, 29, 12, 14, 13, 4, 4, 10, 7, 4,
14, 19, 5, 4, 7, 6, 11, 9, 4, 4,
1, 3, 3, 5, 1, 9, 4, 10, 13, 6,
7, 10, 2, 6, 1, 11, 2, 5, 7, 1,
7, 1, 4, 2, 8, 6, 6, 6, 4, 13,
3, 1, 2, 1, 2, 1, 10, 1, 1
};
ExtractZakC64::ExtractZakC64(const std::string &name) : Tool(name, TOOLTYPE_EXTRACTION) {
ToolInput input1;
input1.format = "*.d64";
_inputPaths.push_back(input1);
ToolInput input2;
input2.format = "*.d64";
_inputPaths.push_back(input2);
_shorthelp = "Extract data files from the C64 version of Zak McKracken.";
_helptext = "\nUsage: " + _name + " [-o <output dir> = out/] <disk1.d64> <disk2.d64>\n\t" + _shorthelp + "\n";
}
void ExtractZakC64::execute() {
int i, j;
unsigned short signature;
char fname[256];
// Two disks...
Common::Filename inpath1(_inputPaths[0].path);
Common::Filename inpath2(_inputPaths[1].path);
Common::Filename &outpath = _outputPath;
if (outpath.empty())
// Standard output path
outpath.setFullPath("out/");
Common::File input1(inpath1, "rb");
Common::File input2(inpath2, "rb");
/* check signature */
signature = input1.readUint16LE();
if (signature != 0x0A31)
error("Signature not found in disk 1!");
signature = input2.readUint16LE();
if (signature != 0x0132)
error("Signature not found in disk 2!");
outpath.setFullName("00.LFL");
Common::File output(outpath, "wb");
output.setXorMode(0xFF);
print("Creating 00.LFL...");
/* write signature */
output.writeUint16LE(signature);
/* copy object flags */
for (i = 0; i < 775; i++)
output.writeByte(input1.readByte());
/* copy room offsets */
for (i = 0; i < NUM_ROOMS; i++) {
room_disks_c64[i] = input1.readByte();
output.writeByte(room_disks_c64[i]);
}
for (i = 0; i < NUM_ROOMS; i++) {
room_sectors_c64[i] = input1.readByte();
output.writeByte(room_sectors_c64[i]);
room_tracks_c64[i] = input1.readByte();
output.writeByte(room_tracks_c64[i]);
}
/* copy costume offsets */
for (i = 0; i < 38; i++)
output.writeByte(input1.readByte());
for (i = 0; i < 38; i++)
output.writeUint16LE(input1.readUint16LE());
/* copy script offsets */
for (i = 0; i < 155; i++)
output.writeByte(input1.readByte());
for (i = 0; i < 155; i++)
output.writeUint16LE(input1.readUint16LE());
/* copy sound offsets */
for (i = 0; i < 127; i++)
output.writeByte(input1.readByte());
for (i = 0; i < 127; i++)
output.writeUint16LE(input1.readUint16LE());
output.close();
for (i = 0; i < NUM_ROOMS; i++) {
Common::File *input;
if (room_disks_c64[i] == '1')
input = &input1;
else if (room_disks_c64[i] == '2')
input = &input2;
else
continue;
sprintf(fname, "%02i.LFL", i);
outpath.setFullName(fname);
output.open(outpath, "wb");
output.setXorMode(0xFF);
print("Creating %s...", fname);
input->seek((SectorOffset[room_tracks_c64[i]] + room_sectors_c64[i]) * 256, SEEK_SET);
for (j = 0; j < ResourcesPerFile[i]; j++) {
unsigned short len;
do {
len = input->readUint16LE();
output.writeUint16LE(len);
} while (len == 0xffff);
for (len -= 2; len > 0; len--) {
output.writeByte(input->readByte());
}
}
input->rewind();
}
print("All done!");
}
#ifdef STANDALONE_MAIN
int main(int argc, char *argv[]) {
ExtractZakC64 z64(argv[0]);
return z64.run(argc, argv);
}
#endif
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