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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 2
* 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, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* $URL$
* $Id$
*
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sciresource.h>
#include <resource.h>
#include <sys/types.h>
#include <sys/stat.h>
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif
#define COPY_BLOCK_SIZE 512
unsigned short *resource_ids = NULL;
void
help() {
printf("Usage:\n\tscipack <file_0> ... <file_n>\n"
"\nBuilds an uncompressed SCI0 resource.000 and a resource.map\n");
}
int /* Returns resource ID on success, -1 on error */
test_file(char *filename) {
char *dot = strchr(filename, '.');
char *endptr;
FILE *f;
int res_type, res_index;
if (!dot) {
fprintf(stderr, "Must contain a period");
return -1;
}
*dot = 0;
for (res_type = 0; res_type < sci_invalid_resource
&& scumm_stricmp(filename, sci_resource_types[res_type]); res_type++);
*dot = '.';
if (res_type == sci_invalid_resource) {
fprintf(stderr, "Invalid resource type");
return -1;
}
++dot;
res_index = strtol(dot, &endptr, 10);
if (!*dot || *endptr) {
fprintf(stderr, "Invalid resource index");
return -1;
}
if (res_index < 0) {
fprintf(stderr, "Negative resource index");
return -1;
}
if (res_index >= 1000) {
fprintf(stderr, "Resource index too large");
return -1;
}
f = fopen(filename, "r");
if (!f) {
perror("While asserting file");
return -1;
}
fclose(f);
return (res_type << 11) | res_index;
}
int
build_file_ids(int count, char **names) {
int i;
int error = 0;
resource_ids = (unsigned short*) malloc(sizeof(unsigned short) * count);
for (i = 0; i < count; i++) {
int id = test_file(names[i]);
if (id < 0) {
error = -1;
fprintf(stderr, ": %s\n", names[i]);
} else resource_ids[i] = id;
}
return error;
}
static inline void
write_uint16(int fd, unsigned int uint) {
unsigned char upper = (uint >> 8) & 0xff;
unsigned char lower = (uint) & 0xff;
if ((write(fd, &upper, 1) < 1)
|| (write(fd, &lower, 1) < 1)) {
perror("While writing");
exit(1);
}
}
int
write_files(int count, char **names) {
int resource_000, resource_map;
int i;
resource_000 = creat("resource.000", 0644);
if (resource_000 < 0) {
perror("While creating 'resource.000'");
return -1;
}
resource_map = creat("resource.map", 0644);
if (resource_map < 0) {
perror("While creating 'resource.map'");
return -1;
}
for (i = 0; i < count; i++) {
int fd = open(names[i], O_RDONLY);
struct stat fdstat;
int fdsize;
unsigned char buf[512];
int j;
long offset = lseek(resource_000, SEEK_CUR, 0);
int top_offset = (offset >> 16) & 0xffff;
int bot_offset = offset & 0xffff;
if (fd < 0) {
perror(names[i]);
return -1;
}
fstat(fd, &fdstat);
fdsize = fdstat.st_size;
write_uint16(resource_000, resource_ids[i]);
write_uint16(resource_000, fdsize);
write_uint16(resource_000, fdsize);
write_uint16(resource_000, 0);
do {
j = read(fd, buf, COPY_BLOCK_SIZE);
write(resource_000, buf, j);
} while (j == COPY_BLOCK_SIZE);
close(fd);
write_uint16(resource_map, resource_ids[i]);
write_uint16(resource_map, bot_offset);
write_uint16(resource_map, top_offset);
}
/* Terminate resource 000 */
write_uint16(resource_000, 0);
/* Terminate resource map */
write_uint16(resource_map, 0xffff);
write_uint16(resource_map, 0xffff);
close(resource_000);
close(resource_map);
}
int
main(int argc, char **argv) {
printf("scipack.c Copyright (C) 2002 Christoph Reichenbach\n"
"This program is FREE SOFTWARE. You may copy it and/or re-distribute it\n"
"according to the terms of the GNU General Public License. See LICENSING\n"
"for details.\n");
if (argc < 1)
help();
if (build_file_ids(argc - 1, argv + 1))
return -1;
if (write_files(argc - 1, argv + 1))
return -1;
free(resource_ids);
}
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