quakeforge/tools/qwaq/main.c

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2001-09-28 07:09:38 +00:00
/*
#FILENAME#
#DESCRIPTION#
Copyright (C) 2001 #AUTHOR#
Author: #AUTHOR#
Date: #DATE#
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:
Free Software Foundation, Inc.
59 Temple Place - Suite 330
Boston, MA 02111-1307, USA
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
static __attribute__ ((unused)) const char rcsid[] =
"$Id$";
#include <stdlib.h>
#include <QF/cmd.h>
#include <QF/cvar.h>
#include <QF/progs.h>
#include <QF/quakefs.h>
#include <QF/sys.h>
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#include "QF/va.h"
#include <QF/zone.h>
#include "qwaq.h"
#define MAX_EDICTS 1024
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static edict_t *edicts;
static int num_edicts;
static int reserved_edicts;
static progs_t pr;
static void *membase;
static int memsize = 16*1024*1024;
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static QFile *
open_file (const char *path, int *len)
{
QFile *file = Qopen (path, "rbz");
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if (!file) {
perror (path);
return 0;
}
*len = Qfilesize (file);
return file;
}
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static void *
load_file (progs_t *pr, const char *name)
{
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QFile *file;
int size;
void *sym;
file = open_file (name, &size);
if (!file) {
file = open_file (va ("%s.gz", name), &size);
if (!file) {
return 0;
}
}
sym = malloc (size);
Qread (file, sym, size);
return sym;
}
static void *
allocate_progs_mem (progs_t *pr, int size)
{
return malloc (size);
}
static void
free_progs_mem (progs_t *pr, void *mem)
{
free (mem);
}
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static void
init_qf (void)
{
Cvar_Init_Hash ();
Cmd_Init_Hash ();
Cvar_Init ();
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Sys_Init_Cvars ();
Cmd_Init ();
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membase = malloc (memsize);
Memory_Init (membase, memsize);
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Cvar_Get ("pr_debug", "1", 0, 0, 0);
Cvar_Get ("pr_boundscheck", "0", 0, 0, 0);
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pr.edicts = &edicts;
pr.num_edicts = &num_edicts;
pr.reserved_edicts = &reserved_edicts;
pr.load_file = load_file;
pr.allocate_progs_mem = allocate_progs_mem;
pr.free_progs_mem = free_progs_mem;
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PR_Init_Cvars ();
PR_Init ();
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PR_Obj_Progs_Init (&pr);
BI_Init (&pr);
}
static int
load_progs (const char *name)
{
QFile *file;
int size;
file = open_file (name, &size);
if (!file) {
return 0;
}
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pr.progs_name = name;
PR_LoadProgsFile (&pr, file, size, 1, 1024 * 1024);
Qclose (file);
if (!PR_ResolveGlobals (&pr))
PR_Error (&pr, "unable to load %s", pr.progs_name);
PR_LoadStrings (&pr);
PR_LoadDebug (&pr);
PR_Check_Opcodes (&pr);
PR_RelocateBuiltins (&pr);
PR_InitRuntime (&pr);
return 1;
}
int
main (int argc, char **argv)
{
func_t main_func;
const char *name = "qwaq.dat";
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string_t *pr_argv;
int pr_argc = 1, i;
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init_qf ();
if (argc > 1)
name = argv[1];
if (!load_progs (name))
Sys_Error ("couldn't load %s", "qwaq.dat");
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if (argc > 2)
pr_argc = argc - 1;
pr_argv = PR_Zone_Malloc (&pr, (pr_argc + 1) * 4);
pr_argv[0] = PR_SetString (&pr, name);
for (i = 1; i < pr_argc; i++)
pr_argv[i] = PR_SetString (&pr, argv[1 + i]);
pr_argv[i] = 0;
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main_func = PR_GetFunctionIndex (&pr, "main");
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P_INT (&pr, 0) = pr_argc;
P_INT (&pr, 1) = POINTER_TO_PROG (&pr, pr_argv);
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PR_ExecuteProgram (&pr, main_func);
return R_INT (&pr);
}