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/*
LumpMod v0.2.1, a command-line utility for working with lumps in wad
files.
Copyright (C) 2003 Thunder Palace Entertainment.
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., 675 Mass Ave, Cambridge, MA 02139, USA.
lumpmod.c: Provides program functionality; depends on lump.c and lump.h
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "lump.h"
int main(int argc, char *argv[]) {
enum commands { C_ADD, C_ADDSECT, C_DELETE, C_DELSECT, C_EXTRACT, C_LIST,
C_RENAME, C_UPDATE } cmd;
struct wadfile *wfptr;
struct lumplist *startitem, *enditem = NULL;
FILE *fpoint;
char *progname, **params;
char *startname = NULL, *endname = NULL;
int numargs, numparams, insection = 0;
progname = argv[0];
numargs = argc - 1;
/* Verify that there are enough arguments */
if(numargs < 2) {
fprintf(stderr, "%s: not enough arguments\n", progname);
return EXIT_FAILURE;
}
/* Identify the command used */
if(strcmp(argv[2], "add" ) == 0) cmd = C_ADD;
else if(strcmp(argv[2], "addsect") == 0) cmd = C_ADDSECT;
else if(strcmp(argv[2], "delete" ) == 0) cmd = C_DELETE;
else if(strcmp(argv[2], "delsect") == 0) cmd = C_DELSECT;
else if(strcmp(argv[2], "extract") == 0) cmd = C_EXTRACT;
else if(strcmp(argv[2], "list" ) == 0) cmd = C_LIST;
else if(strcmp(argv[2], "rename" ) == 0) cmd = C_RENAME;
else if(strcmp(argv[2], "update" ) == 0) cmd = C_UPDATE;
else {
fprintf(stderr, "%s: invalid command %s\n", progname, argv[2]);
return EXIT_FAILURE;
}
/* Check for -s option */
if(numargs >= 4 && strcmp(argv[3], "-s") == 0) {
if(cmd == C_ADDSECT || cmd == C_DELSECT) {
fprintf(stderr, "%s: no option -s for command %s\n", progname, argv[2]);
return EXIT_FAILURE;
}
insection = 1;
params = &argv[5];
numparams = numargs - 4;
/* Assume a map name if length > 2 */
if(strlen(argv[4]) > 2) startname = argv[4];
else {
startname = malloc(strlen(argv[4]) + 7);
endname = malloc(strlen(argv[4]) + 5);
if(startname == NULL || endname == NULL) {
fprintf(stderr, "%s: out of memory\n", progname);
return EXIT_FAILURE;
}
sprintf(startname, "%s_START", argv[4]);
sprintf(endname, "%s_END", argv[4]);
}
} else {
params = &argv[3];
numparams = numargs - 2;
} /* end of check for -s option */
/* Load the wadfile into memory, since all commands require this */
fpoint = fopen(argv[1], "rb");
if(fpoint == NULL) {
fprintf(stderr, "%s: unable to open file %s\n", progname, argv[1]);
return EXIT_FAILURE;
}
wfptr = read_wadfile(fpoint);
fclose(fpoint);
if(wfptr == NULL) {
fprintf(stderr, "%s: %s is not a valid wadfile\n", progname, argv[1]);
return EXIT_FAILURE;
}
/* Find startitem and enditem, using startname and endname */
if(startname == NULL) startitem = wfptr->head;
else {
startitem = find_previous_lump(wfptr->head, NULL, startname);
if(startitem == NULL) {
fprintf(stderr, "%s: can't find lump %s in %s", progname,
startname, argv[1]);
return EXIT_FAILURE;
}
startitem = startitem->next;
if(endname == NULL) {
if(startitem->next != NULL) {
char *itemname;
enditem = startitem->next;
itemname = get_lump_name(enditem->cl);
while( strcmp(itemname, "THINGS" ) == 0 ||
strcmp(itemname, "LINEDEFS") == 0 ||
strcmp(itemname, "SIDEDEFS") == 0 ||
strcmp(itemname, "VERTEXES") == 0 ||
strcmp(itemname, "SEGS" ) == 0 ||
strcmp(itemname, "SSECTORS") == 0 ||
strcmp(itemname, "NODES" ) == 0 ||
strcmp(itemname, "SECTORS" ) == 0 ||
strcmp(itemname, "REJECT" ) == 0 ||
strcmp(itemname, "BLOCKMAP") == 0) {
enditem = enditem->next;
if(enditem == NULL) break;
free(itemname);
itemname = get_lump_name(enditem->cl);
}
free(itemname);
if(enditem != NULL) enditem = enditem->next;
} else enditem = NULL;
} else {
enditem = find_previous_lump(startitem, NULL, endname);
if(enditem == NULL) {
fprintf(stderr, "%s: can't find lump %s in %s", progname,
endname, argv[1]);
return EXIT_FAILURE;
}
enditem = enditem->next;
}
} /* end of finding startitem and enditem */
/* Do stuff specific to each command */
switch(cmd) {
case C_ADD: {
struct lumplist *startitem2, *before, *existing;
int overwrite = 1, firstentry = 0, canduplicate = 0;
char *startname2 = NULL;
/* Parse options: -a, -b, -d, -n */
while(numparams > 2) {
if(params[0][0] != '-') break;
if(strcmp(params[0], "-n") == 0) overwrite = 0;
else if(strcmp(params[0], "-d") == 0) canduplicate = 1;
else if(strcmp(params[0], "-b") == 0) firstentry = 1;
else if(strcmp(params[0], "-a") == 0) {
params = &params[1];
numparams--;
startname2 = params[0];
} else {
fprintf(stderr, "%s: no option %s for command %s",
progname, params[0], argv[2]);
return EXIT_FAILURE;
}
params = &params[1];
numparams--;
}
if(numparams < 2) {
fprintf(stderr, "%s: not enough parameters for %s", progname,
argv[2]);
return EXIT_FAILURE;
}
/* Find the lump after which to add */
if(firstentry) before = startitem;
else if(startname2 != NULL) {
before = find_previous_lump(startitem, enditem, startname2);
if(before == NULL) {
fprintf(stderr, "%s: can't find lump %s in %s", progname,
startname2, argv[1]);
return EXIT_FAILURE;
}
before = before->next;
} else {
if(insection) {
before = find_last_lump_between(startitem, enditem);
if(before == NULL) before = startitem;
} else before = find_last_lump(wfptr);
}
startitem2 = before;
/* Add LUMPNAME FILENAME pairs */
printf("Adding lumps in %s...\n", argv[1]);
for(;;) {
long newlumpsize;
unsigned char *newlumpdata;
/* Check whether the lump already exists, unless -d is used */
if(canduplicate) existing = NULL;
else existing = find_previous_lump(startitem, enditem, params[0]);
if(existing != NULL) existing = existing->next;
if(existing != NULL && overwrite == 0) {
printf("Lump %s already exists. Taking no action.\n", params[0]);
numparams -= 2;
if(numparams < 2) break;
params = &params[2];
continue;
}
/* Read the file with new lump data */
fpoint = fopen(params[1], "rb");
if(fpoint == NULL) {
fprintf(stderr, "%s: can't open file %s\n", progname,
params[1]);
return EXIT_FAILURE;
}
/* Find size of lump data */
fseek(fpoint, 0, SEEK_END);
newlumpsize = ftell(fpoint);
fseek(fpoint, 0, SEEK_SET);
/* Copy lump data to memory */
if(newlumpsize == 0) newlumpdata = NULL;
else {
newlumpdata = malloc(newlumpsize);
if(newlumpdata == NULL) {
fprintf(stderr, "%s: out of memory\n", progname);
return EXIT_FAILURE;
}
if(fread(newlumpdata, newlumpsize, 1, fpoint) < 1) {
fprintf(stderr, "%s: unable to read file %s\n",
progname, params[1]);
return EXIT_FAILURE;
}
}
/* Close the file */
fclose(fpoint);
/* Add or update lump */
if(existing == NULL) {
if(add_lump(wfptr, before, params[0], newlumpsize,
newlumpdata) != 0) {
fprintf(stderr, "%s: unable to add lump %s\n",
progname, params[0]);
return EXIT_FAILURE;
}
printf("Lump %s added.\n", params[0]);
/* Other lumps will be added after the new one */
before = before->next;
} else {
existing->cl->len = newlumpsize;
free(existing->cl->data);
existing->cl->data = malloc(newlumpsize);
if(existing->cl->data == NULL) {
fprintf(stderr, "%s: out of memory\n", progname);
return EXIT_FAILURE;
}
memcpy(existing->cl->data, newlumpdata, newlumpsize);
printf("Lump %s updated.\n", params[0]);
}
/* Advance to the next pair, if there is a next pair */
numparams -= 2;
if(numparams < 2) break;
params = &params[2];
} /* end of adding LUMPNAME FILENAME pairs */
/* Save the modified wadfile */
fpoint = fopen(argv[1], "wb");
if(fpoint == NULL) {
fprintf(stderr, "%s: unable to open file %s for writing\n",
progname, argv[1]);
return EXIT_FAILURE;
}
if(write_wadfile(fpoint, wfptr) != 0) {
fprintf(stderr, "%s: unable to write wadfile to disk\n",
progname);
return EXIT_FAILURE;
}
fclose(fpoint);
printf("File %s successfully updated.\n", argv[1]);
} /* end of C_ADD */
break;
case C_UPDATE: {
struct lumplist *existing;
/* Parse options (none) */
if(numparams > 2 && params[0][0] == '-') {
fprintf(stderr, "%s: no option %s for command %s",
progname, params[0], argv[2]);
return EXIT_FAILURE;
}
if(numparams < 2) {
fprintf(stderr, "%s: not enough parameters for %s", progname,
argv[2]);
return EXIT_FAILURE;
}
/* Update LUMPNAME FILENAME pairs */
printf("Updating lumps in %s...\n", argv[1]);
for(;;) {
long newlumpsize;
unsigned char *newlumpdata;
/* Check whether the lump already exists */
existing = find_previous_lump(startitem, enditem, params[0]);
if(existing == NULL) {
printf("Lump %s does not exist. Taking no action.\n",
params[0]);
numparams -= 2;
if(numparams < 2) break;
params = &params[2];
continue;
}
existing = existing->next;
/* Read the file with new lump data */
fpoint = fopen(params[1], "rb");
if(fpoint == NULL) {
fprintf(stderr, "%s: can't open file %s\n", progname,
params[1]);
return EXIT_FAILURE;
}
/* Find size of lump data */
fseek(fpoint, 0, SEEK_END);
newlumpsize = ftell(fpoint);
fseek(fpoint, 0, SEEK_SET);
/* Copy lump data to memory */
if(newlumpsize == 0) newlumpdata = NULL;
else {
newlumpdata = malloc(newlumpsize);
if(newlumpdata == NULL) {
fprintf(stderr, "%s: out of memory\n", progname);
return EXIT_FAILURE;
}
if(fread(newlumpdata, newlumpsize, 1, fpoint) < 1) {
fprintf(stderr, "%s: unable to read file %s\n",
progname, params[1]);
return EXIT_FAILURE;
}
}
/* Close the file */
fclose(fpoint);
/* Update lump */
existing->cl->len = newlumpsize;
free(existing->cl->data);
existing->cl->data = malloc(newlumpsize);
if(existing->cl->data == NULL) {
fprintf(stderr, "%s: out of memory\n", progname);
return EXIT_FAILURE;
}
memcpy(existing->cl->data, newlumpdata, newlumpsize);
printf("Lump %s updated.\n", params[0]);
/* Advance to the next pair, if there is a next pair */
numparams -= 2;
if(numparams < 2) break;
params = &params[2];
} /* end of updating LUMPNAME FILENAME pairs */
/* Save the modified wadfile */
fpoint = fopen(argv[1], "wb");
if(fpoint == NULL) {
fprintf(stderr, "%s: unable to open file %s for writing\n",
progname, argv[1]);
return EXIT_FAILURE;
}
if(write_wadfile(fpoint, wfptr) != 0) {
fprintf(stderr, "%s: unable to write wadfile to disk\n",
progname);
return EXIT_FAILURE;
}
fclose(fpoint);
printf("File %s successfully updated.\n", argv[1]);
} /* end of C_UPDATE */
break;
case C_DELETE: {
struct lumplist *before;
/* Parse options (none) */
if(numparams > 1 && params[0][0] == '-') {
fprintf(stderr, "%s: no option %s for command %s",
progname, params[0], argv[2]);
return EXIT_FAILURE;
}
if(numparams < 1) {
fprintf(stderr, "%s: not enough parameters for %s", progname,
argv[2]);
return EXIT_FAILURE;
}
/* Delete LUMPNAME lumps */
printf("Deleting lumps in %s...\n", argv[1]);
for(;;) {
/* Find the lump to delete */
before = find_previous_lump(startitem, enditem, params[0]);
if(before == NULL) {
printf("Lump %s does not exist. Taking no action.\n",
params[0]);
numparams--;
if(numparams < 1) break;
params = &params[1];
continue;
}
/* Delete it */
remove_next_lump(wfptr, before);
printf("Lump %s deleted.\n", params[0]);
/* Advance to the next item to delete, if there is one */
numparams--;
if(numparams < 1) break;
params = &params[1];
} /* end of deleting LUMPNAME lumps */
/* Save the modified wadfile */
fpoint = fopen(argv[1], "wb");
if(fpoint == NULL) {
fprintf(stderr, "%s: unable to open file %s for writing\n",
progname, argv[1]);
return EXIT_FAILURE;
}
if(write_wadfile(fpoint, wfptr) != 0) {
fprintf(stderr, "%s: unable to write wadfile to disk\n",
progname);
return EXIT_FAILURE;
}
fclose(fpoint);
printf("File %s successfully updated.\n", argv[1]);
} /* end of C_DELETE */
break;
case C_RENAME: {
struct lumplist *renamed;
/* Parse options (none) */
if(numparams > 2 && params[0][0] == '-') {
fprintf(stderr, "%s: no option %s for command %s",
progname, params[0], argv[2]);
return EXIT_FAILURE;
}
if(numparams < 2) {
fprintf(stderr, "%s: not enough parameters for %s", progname,
argv[2]);
return EXIT_FAILURE;
}
/* Rename OLDNAME NEWNAME pairs */
printf("Renaming lumps in %s...\n", argv[1]);
for(;;) {
/* Find the lump to rename */
renamed = find_previous_lump(startitem, enditem, params[0]);
if(renamed == NULL) {
printf("Lump %s does not exist. Taking no action.\n",
params[0]);
numparams -= 2;
if(numparams < 2) break;
params = &params[2];
continue;
}
renamed = renamed->next;
/* Rename lump */
memset(renamed->cl->name, '\0', 8);
if(strlen(params[1]) >= 8) memcpy(renamed->cl->name,
params[1], 8);
else strcpy(renamed->cl->name, params[1]);
printf("Lump %s renamed to %s.\n", params[0], params[1]);
/* Advance to the next pair, if there is a next pair */
numparams -= 2;
if(numparams < 2) break;
params = &params[2];
} /* end of renaming OLDNAME NEWNAME pairs */
/* Save the modified wadfile */
fpoint = fopen(argv[1], "wb");
if(fpoint == NULL) {
fprintf(stderr, "%s: unable to open file %s for writing\n",
progname, argv[1]);
return EXIT_FAILURE;
}
if(write_wadfile(fpoint, wfptr) != 0) {
fprintf(stderr, "%s: unable to write wadfile to disk\n",
progname);
return EXIT_FAILURE;
}
fclose(fpoint);
printf("File %s successfully updated.\n", argv[1]);
} /* end of C_RENAME */
break;
case C_EXTRACT: {
struct lumplist *extracted;
/* Parse options (none) */
if(numparams > 2 && params[0][0] == '-') {
fprintf(stderr, "%s: no option %s for command %s",
progname, params[0], argv[2]);
return EXIT_FAILURE;
}
if(numparams < 2) {
fprintf(stderr, "%s: not enough parameters for %s", progname,
argv[2]);
return EXIT_FAILURE;
}
/* Extract LUMPNAME FILENAME pairs */
printf("Extracting lumps from %s...\n", argv[1]);
for(;;) {
/* Find the lump to extract */
extracted = find_previous_lump(startitem, enditem, params[0]);
if(extracted == NULL) {
printf("Lump %s does not exist. Taking no action.\n",
params[0]);
numparams -= 2;
if(numparams < 2) break;
params = &params[2];
continue;
}
extracted = extracted->next;
/* Open the file to extract to */
fpoint = fopen(params[1], "wb");
if(fpoint == NULL) {
fprintf(stderr, "%s: can't open file %s for writing\n",
progname, params[1]);
return EXIT_FAILURE;
}
/* Extract lump */
if(fwrite(extracted->cl->data, extracted->cl->len, 1, fpoint)
< 1) {
fprintf(stderr, "%s: unable to write lump %s to disk\n",
progname, params[0]);
return EXIT_FAILURE;
}
/* Close the file */
fclose(fpoint);
printf("Lump %s saved as %s.\n", params[0], params[1]);
/* Advance to the next pair, if there is a next pair */
numparams -= 2;
if(numparams < 2) break;
params = &params[2];
} /* end of extracting LUMPNAME FILENAME pairs */
printf("Finished extracting lumps from file %s.\n", argv[1]);
} /* end of C_EXTRACT */
break;
case C_LIST: {
struct lumplist *curlump;
int verbose = 0, i = 0;
/* Parse options: -v */
while(numparams > 0) {
if(params[0][0] != '-') break;
if(strcmp(params[0], "-v") == 0) verbose = 1;
else {
fprintf(stderr, "%s: no option %s for command %s",
progname, params[0], argv[2]);
return EXIT_FAILURE;
}
params = &params[1];
numparams--;
}
/* Loop through the lump list, printing lump info */
for(curlump = startitem->next; curlump != enditem; curlump =
curlump->next) {
i++;
if(verbose) {
const char *format = "LMP";
unsigned char *data = curlump->cl->data;
if(data && curlump->cl->len > 16)
if(data[0] == 0x89 && data[1] == 0x50
&& data[2] == 0x4E && data[3] == 0x47)
format = "PNG";
else if(data[0] == 0xFF && data[1] == 0xD8
&& data[2] == 0xFF)
format = "JPG";
printf("%5i %-8s %7li %s\n", i,
get_lump_name(curlump->cl), curlump->cl->len, format);
}
else printf("%s\n", get_lump_name(curlump->cl));
}
} /* end of C_LIST */
break;
case C_DELSECT: {
/* Parse options (none) */
if(numparams > 1 && params[0][0] == '-') {
fprintf(stderr, "%s: no option %s for command %s",
progname, params[0], argv[2]);
return EXIT_FAILURE;
}
if(numparams < 1) {
fprintf(stderr, "%s: not enough parameters for %s", progname,
argv[2]);
return EXIT_FAILURE;
}
/* Delete sections */
printf("Deleting sections in %s...\n", argv[1]);
for(;;) {
struct lumplist *curlump;
/* Assume a map name if length > 2 */
if(strlen(params[0]) > 2) startname = params[0];
else {
startname = malloc(strlen(params[0]) + 7);
endname = malloc(strlen(params[0]) + 5);
if(startname == NULL || endname == NULL) {
fprintf(stderr, "%s: out of memory\n", progname);
return EXIT_FAILURE;
}
sprintf(startname, "%s_START", params[0]);
sprintf(endname, "%s_END", params[0]);
}
/* Find startitem and enditem, using startname and endname */
startitem = find_previous_lump(wfptr->head, NULL, startname);
if(startitem == NULL) {
fprintf(stderr, "%s: can't find lump %s in %s", progname,
startname, argv[1]);
return EXIT_FAILURE;
}
if(endname == NULL && startitem->next != NULL) {
char *itemname;
enditem = startitem->next;
itemname = get_lump_name(enditem->cl);
do {
enditem = enditem->next;
if(enditem == NULL) break;
free(itemname);
itemname = get_lump_name(enditem->cl);
} while(strcmp(itemname, "THINGS" ) == 0 ||
strcmp(itemname, "LINEDEFS") == 0 ||
strcmp(itemname, "SIDEDEFS") == 0 ||
strcmp(itemname, "VERTEXES") == 0 ||
strcmp(itemname, "SEGS" ) == 0 ||
strcmp(itemname, "SSECTORS") == 0 ||
strcmp(itemname, "NODES" ) == 0 ||
strcmp(itemname, "SECTORS" ) == 0 ||
strcmp(itemname, "REJECT" ) == 0 ||
strcmp(itemname, "BLOCKMAP") == 0);
free(itemname);
}
else {
enditem = find_previous_lump(startitem, NULL, endname);
if(enditem == NULL) {
fprintf(stderr, "%s: can't find lump %s in %s",
progname, endname, argv[1]);
return EXIT_FAILURE;
}
enditem = enditem->next->next;
} /* end of finding startitem and enditem */
/* Loop through the section lumps, deleting them */
curlump = startitem;
while(curlump->next != enditem)
remove_next_lump(wfptr, curlump);
printf("Deleted section %s.\n", params[0]);
/* Move to next parameter, if it exists */
numparams--;
if(numparams < 1) break;
params = &params[1];
} /* end of deleting sections */
/* Save the modified wadfile */
fpoint = fopen(argv[1], "wb");
if(fpoint == NULL) {
fprintf(stderr, "%s: unable to open file %s for writing\n",
progname, argv[1]);
return EXIT_FAILURE;
}
if(write_wadfile(fpoint, wfptr) != 0) {
fprintf(stderr, "%s: unable to write wadfile to disk\n",
progname);
return EXIT_FAILURE;
}
fclose(fpoint);
printf("File %s successfully updated.\n", argv[1]);
} /* end of C_DELSECT */
break;
case C_ADDSECT: {
/* Parse options (none) */
if(numparams > 1 && params[0][0] == '-') {
fprintf(stderr, "%s: no option %s for command %s",
progname, params[0], argv[2]);
return EXIT_FAILURE;
}
if(numparams < 1) {
fprintf(stderr, "%s: not enough parameters for %s", progname,
argv[2]);
return EXIT_FAILURE;
}
/* Add sections */
printf("Adding sections in %s...\n", argv[1]);
for(;;) {
struct lumplist *curlump;
/* Assume a map name if length > 2 */
if(strlen(params[0]) > 2) startname = params[0];
else {
startname = malloc(strlen(params[0]) + 7);
endname = malloc(strlen(params[0]) + 5);
if(startname == NULL || endname == NULL) {
fprintf(stderr, "%s: out of memory\n", progname);
return EXIT_FAILURE;
}
sprintf(startname, "%s_START", params[0]);
sprintf(endname, "%s_END", params[0]);
}
/* Add section, unless it already exists */
if(find_previous_lump(wfptr->head, NULL, startname) == NULL) {
struct lumplist *last;
last = find_last_lump(wfptr);
if(add_lump(wfptr, last, startname, 0, NULL) != 0) {
fprintf(stderr, "%s: unable to add lump %s\n",
progname, startname);
return EXIT_FAILURE;
}
if(endname != NULL) {
last = last->next;
if(add_lump(wfptr, last, endname, 0, NULL) != 0) {
fprintf(stderr, "%s: unable to add lump %s\n",
progname, endname);
return EXIT_FAILURE;
}
}
printf("Added section %s.\n", params[0]);
} else
printf("Section %s already exists. Taking no action.\n",
params[0]);
/* Move to next parameter, if it exists */
numparams--;
if(numparams < 1) break;
params = &params[1];
} /* end of adding sections */
/* Save the modified wadfile */
fpoint = fopen(argv[1], "wb");
if(fpoint == NULL) {
fprintf(stderr, "%s: unable to open file %s for writing\n",
progname, argv[1]);
return EXIT_FAILURE;
}
if(write_wadfile(fpoint, wfptr) != 0) {
fprintf(stderr, "%s: unable to write wadfile to disk\n",
progname);
return EXIT_FAILURE;
}
fclose(fpoint);
printf("File %s successfully updated.\n", argv[1]);
} /* end of C_ADDSECT */
} /* end of command-specific stuff */
return EXIT_SUCCESS;
}
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