qf
/
quakeforge
mirror of https://git.code.sf.net/p/quake/quakeforge
0
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

break out the non-edict code into sensible locations

This commit is contained in:
Bill Currie 2002-01-28 17:15:36 +00:00
parent 418f922f0f
commit 21b6e68a8c
6 changed files with 586 additions and 421 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
include/QF/progs.h
View File

@ -200,6 +200,7 @@ void PR_DumpState (progs_t *pr);
void PR_StackTrace (progs_t * pr);
extern struct cvar_s *pr_debug;
extern struct cvar_s *pr_deadbeef_ents;
extern struct cvar_s *pr_deadbeef_locals;
extern struct cvar_s *pr_boundscheck;

3
libs/gamecode/engine/Makefile.am
View File

@ -6,4 +6,5 @@ lib_LTLIBRARIES= libQFgamecode.la
libQFgamecode_la_LDFLAGS= -version-info 1:0:0
libQFgamecode_la_SOURCES= \
pr_edict.c pr_debug.c pr_exec.c pr_opcode.c pr_strings.c pr_zone.c
pr_builtins.c pr_edict.c pr_debug.c pr_exec.c pr_load.c pr_opcode.c \
pr_resolve.c pr_strings.c pr_zone.c

132
libs/gamecode/engine/pr_builtins.c Normal file
View File

@ -0,0 +1,132 @@
/*
pr_edict.c
entity dictionary
Copyright (C) 1996-1997 Id Software, Inc.
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
*/
static const char rcsid[] =
"$Id$";
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#ifdef HAVE_STRING_H
# include <string.h>
#endif
#ifdef HAVE_STRINGS_H
# include <strings.h>
#endif
#include <stdarg.h>
#include <stdio.h>
#include "QF/cmd.h"
#include "QF/crc.h"
#include "QF/cvar.h"
#include "QF/hash.h"
#include "QF/progs.h"
#include "QF/qdefs.h"
#include "QF/qendian.h"
#include "QF/sys.h"
#include "QF/zone.h"
#include "QF/va.h"
#include "QF/vfs.h"
#include "compat.h"
static const char *
builtin_get_key (void *_bi, void *unused)
{
builtin_t *bi = (builtin_t *)_bi;
return bi->name;
}
#define PR_AUTOBUILTIN 120
void
PR_AddBuiltin (progs_t *pr, const char *name, builtin_proc builtin, int num)
{
int i;
if (!pr->builtin_hash)
pr->builtin_hash = Hash_NewTable (1021, builtin_get_key, 0, pr);
if (pr->numbuiltins == 0) {
pr->builtins = calloc (PR_AUTOBUILTIN, sizeof (builtin_t*));
pr->numbuiltins = PR_AUTOBUILTIN;
if (!pr->builtins)
PR_Error (pr, "PR_AddBuiltin: memory allocation error!\n");
}
if (num < 0) {
for (i = PR_AUTOBUILTIN;
i < pr->numbuiltins && pr->builtins[i]; i++)
;
if (i >= pr->numbuiltins) {
pr->numbuiltins++;
pr->builtins = realloc (pr->builtins,
pr->numbuiltins * sizeof (builtin_t*));
if (!pr->builtins)
PR_Error (pr, "PR_AddBuiltin: memory allocation error!\n");
}
} else {
if (num >= PR_AUTOBUILTIN || num == 0)
PR_Error (pr, "PR_AddBuiltin: invalid builtin number.\n");
if (pr->builtins[num])
PR_Error (pr, "PR_AddBuiltin: builtin number already exists.\n");
i = num;
}
pr->builtins[i] = malloc (sizeof (builtin_t));
pr->builtins[i]->proc = builtin;
pr->builtins[i]->name = name;
pr->builtins[i]->first_statement = i;
Hash_Add (pr->builtin_hash, pr->builtins[i]);
}
builtin_t *
PR_FindBuiltin (progs_t *pr, const char *name)
{
return (builtin_t *) Hash_Find (pr->builtin_hash, name);
}
int
PR_RelocateBuiltins (progs_t *pr)
{
int i;
dfunction_t *func;
builtin_t *bi;
const char *bi_name;
for (i = 1; i < pr->progs->numfunctions; i++) {
func = pr->pr_functions + i;
if (func->first_statement)
continue;
bi_name = PR_GetString (pr, func->s_name);
bi = PR_FindBuiltin (pr, bi_name);
if (!bi) {
Sys_Printf ("PR_RelocateBuiltins: %s: undefined builtin %s\n",
pr->progs_name, bi_name);
return 0;
}
func->first_statement = -bi->first_statement;
}
return 1;
}

420
libs/gamecode/engine/pr_edict.c
View File

@ -206,110 +206,6 @@ ED_Free (progs_t * pr, edict_t *ed)
//===========================================================================
/*
ED_GlobalAtOfs
*/
ddef_t *
ED_GlobalAtOfs (progs_t * pr, int ofs)
{
ddef_t *def;
int i;
for (i = 0; i < pr->progs->numglobaldefs; i++) {
def = &pr->pr_globaldefs[i];
if (def->ofs == ofs)
return def;
}
return NULL;
}
/*
ED_FieldAtOfs
*/
ddef_t *
ED_FieldAtOfs (progs_t * pr, int ofs)
{
ddef_t *def;
int i;
for (i = 0; i < pr->progs->numfielddefs; i++) {
def = &pr->pr_fielddefs[i];
if (def->ofs == ofs)
return def;
}
return NULL;
}
/*
ED_FindField
*/
ddef_t *
ED_FindField (progs_t * pr, const char *name)
{
return Hash_Find (pr->field_hash, name);
}
int
ED_GetFieldIndex (progs_t *pr, const char *name)
{
ddef_t *def;
def = ED_FindField (pr, name);
if (def)
return def->ofs;
return -1;
}
/*
PR_FindGlobal
*/
ddef_t *
PR_FindGlobal (progs_t * pr, const char *name)
{
return Hash_Find (pr->global_hash, name);
}
pr_type_t *
PR_GetGlobalPointer (progs_t *pr, const char *name)
{
ddef_t *def;
def = PR_FindGlobal (pr, name);
if (def)
return &pr->pr_globals[def->ofs];
PR_Error (pr, "undefined global %s", name);
return 0;
}
func_t
PR_GetFunctionIndex (progs_t *pr, const char *name)
{
dfunction_t *func = ED_FindFunction (pr, name);
if (func)
return func - pr->pr_functions;
PR_Error (pr, "undefined function %s", name);
return -1;
}
int
PR_GetFieldOffset (progs_t *pr, const char *name)
{
ddef_t *def = ED_FindField (pr, name);
if (def)
return def->ofs;
PR_Error (pr, "undefined field %s", name);
return -1;
}
/*
ED_FindFunction
*/
dfunction_t *
ED_FindFunction (progs_t * pr, const char *name)
{
return Hash_Find (pr->function_hash, name);
}
pr_type_t *
GetEdictFieldValue (progs_t * pr, edict_t *ed, const char *field)
{
@ -1044,202 +940,6 @@ ED_LoadFromFile (progs_t * pr, const char *data)
Sys_DPrintf ("%i entities inhibited\n", inhibit);
}
static const char *
builtin_get_key (void *_bi, void *unused)
{
builtin_t *bi = (builtin_t *)_bi;
return bi->name;
}
static const char *
function_get_key (void *f, void *_pr)
{
progs_t *pr = (progs_t*)_pr;
dfunction_t *func = (dfunction_t*)f;
return PR_GetString (pr, func->s_name);
}
static const char *
var_get_key (void *d, void *_pr)
{
progs_t *pr = (progs_t*)_pr;
ddef_t *def = (ddef_t*)d;
return PR_GetString (pr, def->s_name);
}
void
PR_LoadProgsFile (progs_t * pr, const char *progsname)
{
int i;
if (progsname)
pr->progs = (dprograms_t *) COM_LoadHunkFile (progsname);
else
progsname = pr->progs_name;
if (!pr->progs)
return;
pr->progs_size = com_filesize;
Sys_DPrintf ("Programs occupy %iK.\n", com_filesize / 1024);
// store prog crc
pr->crc = CRC_Block ((byte *) pr->progs, com_filesize);
// byte swap the header
for (i = 0; i < sizeof (*pr->progs) / 4; i++)
((int *) pr->progs)[i] = LittleLong (((int *) pr->progs)[i]);
if (pr->progs->version != PROG_VERSION
&& pr->progs->version != PROG_ID_VERSION) {
if (pr->progs->version < 0x00fff000) {
PR_Error (pr, "%s has unrecognised version number (%d)",
progsname, pr->progs->version);
} else {
PR_Error (pr,
"%s has unrecognised version number (%02x.%03x.%03x)"
" [%02x.%03x.%03x expected]",
progsname,
pr->progs->version >> 24,
(pr->progs->version >> 12) & 0xfff,
pr->progs->version & 0xfff,
PROG_VERSION >> 24,
(PROG_VERSION >> 12) & 0xfff,
PROG_VERSION & 0xfff);
}
}
pr->progs_name = progsname; //XXX is this safe?
pr->zone = 0; // caller sets up afterwards
pr->pr_functions =
(dfunction_t *) ((byte *) pr->progs + pr->progs->ofs_functions);
pr->pr_strings = (char *) pr->progs + pr->progs->ofs_strings;
pr->pr_stringsize = pr->progs->numstrings;
pr->pr_globaldefs =
(ddef_t *) ((byte *) pr->progs + pr->progs->ofs_globaldefs);
pr->pr_fielddefs =
(ddef_t *) ((byte *) pr->progs + pr->progs->ofs_fielddefs);
pr->pr_statements =
(dstatement_t *) ((byte *) pr->progs + pr->progs->ofs_statements);
pr->pr_globals =
(pr_type_t *) ((byte *) pr->progs + pr->progs->ofs_globals);
// size of edict ascked for by progs
pr->pr_edict_size = pr->progs->entityfields * 4;
// size of engine data
pr->pr_edict_size += sizeof (edict_t) - sizeof (pr_type_t);
// round off to next highest whole word address (esp for Alpha)
// this ensures that pointers in the engine data area are always
// properly aligned
pr->pr_edict_size += sizeof (void*) - 1;
pr->pr_edict_size &= ~(sizeof (void*) - 1);
pr->pr_edictareasize = 0;
if (pr->function_hash) {
Hash_FlushTable (pr->function_hash);
} else {
pr->function_hash = Hash_NewTable (1021, function_get_key, 0, pr);
}
if (pr->global_hash) {
Hash_FlushTable (pr->global_hash);
} else {
pr->global_hash = Hash_NewTable (1021, var_get_key, 0, pr);
}
if (pr->field_hash) {
Hash_FlushTable (pr->field_hash);
} else {
pr->field_hash = Hash_NewTable (1021, var_get_key, 0, pr);
}
// byte swap the lumps
for (i = 0; i < pr->progs->numstatements; i++) {
pr->pr_statements[i].op = LittleShort (pr->pr_statements[i].op);
pr->pr_statements[i].a = LittleShort (pr->pr_statements[i].a);
pr->pr_statements[i].b = LittleShort (pr->pr_statements[i].b);
pr->pr_statements[i].c = LittleShort (pr->pr_statements[i].c);
}
for (i = 0; i < pr->progs->numfunctions; i++) {
pr->pr_functions[i].first_statement =
LittleLong (pr->pr_functions[i].first_statement);
pr->pr_functions[i].parm_start =
LittleLong (pr->pr_functions[i].parm_start);
pr->pr_functions[i].s_name = LittleLong (pr->pr_functions[i].s_name);
pr->pr_functions[i].s_file = LittleLong (pr->pr_functions[i].s_file);
pr->pr_functions[i].numparms =
LittleLong (pr->pr_functions[i].numparms);
pr->pr_functions[i].locals = LittleLong (pr->pr_functions[i].locals);
Hash_Add (pr->function_hash, &pr->pr_functions[i]);
}
for (i = 0; i < pr->progs->numglobaldefs; i++) {
pr->pr_globaldefs[i].type = LittleShort (pr->pr_globaldefs[i].type);
pr->pr_globaldefs[i].ofs = LittleShort (pr->pr_globaldefs[i].ofs);
pr->pr_globaldefs[i].s_name = LittleLong (pr->pr_globaldefs[i].s_name);
Hash_Add (pr->global_hash, &pr->pr_globaldefs[i]);
}
for (i = 0; i < pr->progs->numfielddefs; i++) {
pr->pr_fielddefs[i].type = LittleShort (pr->pr_fielddefs[i].type);
if (pr->pr_fielddefs[i].type & DEF_SAVEGLOBAL)
PR_Error (pr, "PR_LoadProgs: pr_fielddefs[i].type & DEF_SAVEGLOBAL");
pr->pr_fielddefs[i].ofs = LittleShort (pr->pr_fielddefs[i].ofs);
pr->pr_fielddefs[i].s_name = LittleLong (pr->pr_fielddefs[i].s_name);
Hash_Add (pr->field_hash, &pr->pr_fielddefs[i]);
}
for (i = 0; i < pr->progs->numglobals; i++)
((int *) pr->pr_globals)[i] = LittleLong (((int *) pr->pr_globals)[i]);
}
int
PR_ResolveGlobals (progs_t *pr)
{
char *sym;
if (!(pr->globals.time = (float*)PR_GetGlobalPointer (pr, sym = "time")))
goto error;
if (!(pr->globals.self = (int*)PR_GetGlobalPointer (pr, sym = "self")))
goto error;
if ((pr->fields.nextthink = ED_GetFieldIndex (pr, sym = "nextthink")) == -1)
goto error;
if ((pr->fields.frame = ED_GetFieldIndex (pr, sym = "frame")) == -1)
goto error;
if ((pr->fields.think = ED_GetFieldIndex (pr, sym = "think")) == -1)
goto error;
return 1;
error:
Sys_Printf ("%s: undefined symbol: %s", pr->progs_name, sym);
return 0;
}
/*
PR_LoadProgs
*/
void
PR_LoadProgs (progs_t *pr, const char *progsname)
{
PR_LoadProgsFile (pr, progsname);
if (!pr->progs)
return;
if (!progsname)
progsname = "(preloaded)";
if (!PR_ResolveGlobals (pr))
PR_Error (pr, "unable to load %s", progsname);
// initialise the strings managment code
PR_LoadStrings (pr);
PR_LoadDebug (pr);
PR_Check_Opcodes (pr);
}
edict_t *
PR_InitEdicts (progs_t *pr, int num_edicts)
{
@ -1262,74 +962,6 @@ PR_InitEdicts (progs_t *pr, int num_edicts)
return edicts;
}
void
PR_Init_Cvars (void)
{
pr_boundscheck =
Cvar_Get ("pr_boundscheck", "1", CVAR_NONE, NULL,
"Server progs bounds checking");
pr_deadbeef_ents = Cvar_Get ("pr_deadbeef_ents", "0", CVAR_NONE, NULL,
"set to clear unallocated memory to 0xdeadbeef");
pr_deadbeef_locals = Cvar_Get ("pr_deadbeef_locals", "0", CVAR_NONE, NULL,
"set to clear uninitialized local vars to "
"0xdeadbeef");
PR_Debug_Init_Cvars ();
}
void
PR_Init (void)
{
PR_Opcode_Init ();
PR_Debug_Init ();
}
#define PR_AUTOBUILTIN 120
void
PR_AddBuiltin (progs_t *pr, const char *name, builtin_proc builtin, int num)
{
int i;
if (!pr->builtin_hash)
pr->builtin_hash = Hash_NewTable (1021, builtin_get_key, 0, pr);
if (pr->numbuiltins == 0) {
pr->builtins = calloc (PR_AUTOBUILTIN, sizeof (builtin_t*));
pr->numbuiltins = PR_AUTOBUILTIN;
if (!pr->builtins)
PR_Error (pr, "PR_AddBuiltin: memory allocation error!\n");
}
if (num < 0) {
for (i = PR_AUTOBUILTIN;
i < pr->numbuiltins && pr->builtins[i]; i++)
;
if (i >= pr->numbuiltins) {
pr->numbuiltins++;
pr->builtins = realloc (pr->builtins,
pr->numbuiltins * sizeof (builtin_t*));
if (!pr->builtins)
PR_Error (pr, "PR_AddBuiltin: memory allocation error!\n");
}
} else {
if (num >= PR_AUTOBUILTIN || num == 0)
PR_Error (pr, "PR_AddBuiltin: invalid builtin number.\n");
if (pr->builtins[num])
PR_Error (pr, "PR_AddBuiltin: builtin number already exists.\n");
i = num;
}
pr->builtins[i] = malloc (sizeof (builtin_t));
pr->builtins[i]->proc = builtin;
pr->builtins[i]->name = name;
pr->builtins[i]->first_statement = i;
Hash_Add (pr->builtin_hash, pr->builtins[i]);
}
builtin_t *
PR_FindBuiltin (progs_t *pr, const char *name)
{
return (builtin_t *) Hash_Find (pr->builtin_hash, name);
}
edict_t *
EDICT_NUM (progs_t * pr, int n)
{
@ -1363,55 +995,3 @@ NUM_FOR_EDICT (progs_t *pr, edict_t *e)
return b;
}
void
PR_Error (progs_t *pr, const char *error, ...)
{
va_list argptr;
char string[1024];
va_start (argptr, error);
vsnprintf (string, sizeof (string), error, argptr);
va_end (argptr);
Sys_Error ("%s: %s", pr->progs_name, string);
}
int
PR_AccessField (progs_t *pr, const char *name, etype_t type,
const char *file, int line)
{
ddef_t *def = ED_FindField (pr, name);
if (!def)
PR_Error (pr, "undefined field %s accessed at %s:%d", name, file, line);
if (def->type != type)
PR_Error (pr, "bad type access to %s as %s (should be %s) at %s:%d",
name, pr_type_name[type], pr_type_name[def->type],
file, line);
return def->ofs;
}
int
PR_RelocateBuiltins (progs_t *pr)
{
int i;
dfunction_t *func;
builtin_t *bi;
const char *bi_name;
for (i = 1; i < pr->progs->numfunctions; i++) {
func = pr->pr_functions + i;
if (func->first_statement)
continue;
bi_name = PR_GetString (pr, func->s_name);
bi = PR_FindBuiltin (pr, bi_name);
if (!bi) {
Sys_Printf ("PR_RelocateBuiltins: %s: undefined builtin %s\n",
pr->progs_name, bi_name);
return 0;
}
func->first_statement = -bi->first_statement;
}
return 1;
}

256
libs/gamecode/engine/pr_load.c Normal file
View File

@ -0,0 +1,256 @@
/*
pr_edict.c
entity dictionary
Copyright (C) 1996-1997 Id Software, Inc.
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
*/
static const char rcsid[] =
"$Id$";
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#ifdef HAVE_STRING_H
# include <string.h>
#endif
#ifdef HAVE_STRINGS_H
# include <strings.h>
#endif
#include <stdarg.h>
#include <stdio.h>
#include "QF/cmd.h"
#include "QF/crc.h"
#include "QF/cvar.h"
#include "QF/hash.h"
#include "QF/progs.h"
#include "QF/qdefs.h"
#include "QF/qendian.h"
#include "QF/sys.h"
#include "QF/zone.h"
#include "QF/va.h"
#include "QF/vfs.h"
#include "compat.h"
static const char *
function_get_key (void *f, void *_pr)
{
progs_t *pr = (progs_t*)_pr;
dfunction_t *func = (dfunction_t*)f;
return PR_GetString (pr, func->s_name);
}
static const char *
var_get_key (void *d, void *_pr)
{
progs_t *pr = (progs_t*)_pr;
ddef_t *def = (ddef_t*)d;
return PR_GetString (pr, def->s_name);
}
void
PR_LoadProgsFile (progs_t * pr, const char *progsname)
{
int i;
if (progsname)
pr->progs = (dprograms_t *) COM_LoadHunkFile (progsname);
else
progsname = pr->progs_name;
if (!pr->progs)
return;
pr->progs_size = com_filesize;
Sys_DPrintf ("Programs occupy %iK.\n", com_filesize / 1024);
// store prog crc
pr->crc = CRC_Block ((byte *) pr->progs, com_filesize);
// byte swap the header
for (i = 0; i < sizeof (*pr->progs) / 4; i++)
((int *) pr->progs)[i] = LittleLong (((int *) pr->progs)[i]);
if (pr->progs->version != PROG_VERSION
&& pr->progs->version != PROG_ID_VERSION) {
if (pr->progs->version < 0x00fff000) {
PR_Error (pr, "%s has unrecognised version number (%d)",
progsname, pr->progs->version);
} else {
PR_Error (pr,
"%s has unrecognised version number (%02x.%03x.%03x)"
" [%02x.%03x.%03x expected]",
progsname,
pr->progs->version >> 24,
(pr->progs->version >> 12) & 0xfff,
pr->progs->version & 0xfff,
PROG_VERSION >> 24,
(PROG_VERSION >> 12) & 0xfff,
PROG_VERSION & 0xfff);
}
}
pr->progs_name = progsname; //XXX is this safe?
pr->zone = 0; // caller sets up afterwards
pr->pr_functions =
(dfunction_t *) ((byte *) pr->progs + pr->progs->ofs_functions);
pr->pr_strings = (char *) pr->progs + pr->progs->ofs_strings;
pr->pr_stringsize = pr->progs->numstrings;
pr->pr_globaldefs =
(ddef_t *) ((byte *) pr->progs + pr->progs->ofs_globaldefs);
pr->pr_fielddefs =
(ddef_t *) ((byte *) pr->progs + pr->progs->ofs_fielddefs);
pr->pr_statements =
(dstatement_t *) ((byte *) pr->progs + pr->progs->ofs_statements);
pr->pr_globals =
(pr_type_t *) ((byte *) pr->progs + pr->progs->ofs_globals);
// size of edict ascked for by progs
pr->pr_edict_size = pr->progs->entityfields * 4;
// size of engine data
pr->pr_edict_size += sizeof (edict_t) - sizeof (pr_type_t);
// round off to next highest whole word address (esp for Alpha)
// this ensures that pointers in the engine data area are always
// properly aligned
pr->pr_edict_size += sizeof (void*) - 1;
pr->pr_edict_size &= ~(sizeof (void*) - 1);
pr->pr_edictareasize = 0;
if (pr->function_hash) {
Hash_FlushTable (pr->function_hash);
} else {
pr->function_hash = Hash_NewTable (1021, function_get_key, 0, pr);
}
if (pr->global_hash) {
Hash_FlushTable (pr->global_hash);
} else {
pr->global_hash = Hash_NewTable (1021, var_get_key, 0, pr);
}
if (pr->field_hash) {
Hash_FlushTable (pr->field_hash);
} else {
pr->field_hash = Hash_NewTable (1021, var_get_key, 0, pr);
}
// byte swap the lumps
for (i = 0; i < pr->progs->numstatements; i++) {
pr->pr_statements[i].op = LittleShort (pr->pr_statements[i].op);
pr->pr_statements[i].a = LittleShort (pr->pr_statements[i].a);
pr->pr_statements[i].b = LittleShort (pr->pr_statements[i].b);
pr->pr_statements[i].c = LittleShort (pr->pr_statements[i].c);
}
for (i = 0; i < pr->progs->numfunctions; i++) {
pr->pr_functions[i].first_statement =
LittleLong (pr->pr_functions[i].first_statement);
pr->pr_functions[i].parm_start =
LittleLong (pr->pr_functions[i].parm_start);
pr->pr_functions[i].s_name = LittleLong (pr->pr_functions[i].s_name);
pr->pr_functions[i].s_file = LittleLong (pr->pr_functions[i].s_file);
pr->pr_functions[i].numparms =
LittleLong (pr->pr_functions[i].numparms);
pr->pr_functions[i].locals = LittleLong (pr->pr_functions[i].locals);
Hash_Add (pr->function_hash, &pr->pr_functions[i]);
}
for (i = 0; i < pr->progs->numglobaldefs; i++) {
pr->pr_globaldefs[i].type = LittleShort (pr->pr_globaldefs[i].type);
pr->pr_globaldefs[i].ofs = LittleShort (pr->pr_globaldefs[i].ofs);
pr->pr_globaldefs[i].s_name = LittleLong (pr->pr_globaldefs[i].s_name);
Hash_Add (pr->global_hash, &pr->pr_globaldefs[i]);
}
for (i = 0; i < pr->progs->numfielddefs; i++) {
pr->pr_fielddefs[i].type = LittleShort (pr->pr_fielddefs[i].type);
if (pr->pr_fielddefs[i].type & DEF_SAVEGLOBAL)
PR_Error (pr, "PR_LoadProgs: pr_fielddefs[i].type & DEF_SAVEGLOBAL");
pr->pr_fielddefs[i].ofs = LittleShort (pr->pr_fielddefs[i].ofs);
pr->pr_fielddefs[i].s_name = LittleLong (pr->pr_fielddefs[i].s_name);
Hash_Add (pr->field_hash, &pr->pr_fielddefs[i]);
}
for (i = 0; i < pr->progs->numglobals; i++)
((int *) pr->pr_globals)[i] = LittleLong (((int *) pr->pr_globals)[i]);
}
/*
PR_LoadProgs
*/
void
PR_LoadProgs (progs_t *pr, const char *progsname)
{
PR_LoadProgsFile (pr, progsname);
if (!pr->progs)
return;
if (!progsname)
progsname = "(preloaded)";
if (!PR_ResolveGlobals (pr))
PR_Error (pr, "unable to load %s", progsname);
// initialise the strings managment code
PR_LoadStrings (pr);
PR_LoadDebug (pr);
PR_Check_Opcodes (pr);
}
void
PR_Init_Cvars (void)
{
pr_boundscheck =
Cvar_Get ("pr_boundscheck", "1", CVAR_NONE, NULL,
"Server progs bounds checking");
pr_deadbeef_ents = Cvar_Get ("pr_deadbeef_ents", "0", CVAR_NONE, NULL,
"set to clear unallocated memory to 0xdeadbeef");
pr_deadbeef_locals = Cvar_Get ("pr_deadbeef_locals", "0", CVAR_NONE, NULL,
"set to clear uninitialized local vars to "
"0xdeadbeef");
PR_Debug_Init_Cvars ();
}
void
PR_Init (void)
{
PR_Opcode_Init ();
PR_Debug_Init ();
}
void
PR_Error (progs_t *pr, const char *error, ...)
{
va_list argptr;
char string[1024];
va_start (argptr, error);
vsnprintf (string, sizeof (string), error, argptr);
va_end (argptr);
Sys_Error ("%s: %s", pr->progs_name, string);
}

195
libs/gamecode/engine/pr_resolve.c Normal file
View File

@ -0,0 +1,195 @@
/*
pr_edict.c
entity dictionary
Copyright (C) 1996-1997 Id Software, Inc.
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
*/
static const char rcsid[] =
"$Id$";
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#ifdef HAVE_STRING_H
# include <string.h>
#endif
#ifdef HAVE_STRINGS_H
# include <strings.h>
#endif
#include <stdarg.h>
#include <stdio.h>
#include "QF/cmd.h"
#include "QF/crc.h"
#include "QF/cvar.h"
#include "QF/hash.h"
#include "QF/progs.h"
#include "QF/qdefs.h"
#include "QF/qendian.h"
#include "QF/sys.h"
#include "QF/zone.h"
#include "QF/va.h"
#include "QF/vfs.h"
#include "compat.h"
/*
ED_GlobalAtOfs
*/
ddef_t *
ED_GlobalAtOfs (progs_t * pr, int ofs)
{
ddef_t *def;
int i;
for (i = 0; i < pr->progs->numglobaldefs; i++) {
def = &pr->pr_globaldefs[i];
if (def->ofs == ofs)
return def;
}
return NULL;
}
/*
ED_FieldAtOfs
*/
ddef_t *
ED_FieldAtOfs (progs_t * pr, int ofs)
{
ddef_t *def;
int i;
for (i = 0; i < pr->progs->numfielddefs; i++) {
def = &pr->pr_fielddefs[i];
if (def->ofs == ofs)
return def;
}
return NULL;
}
/*
ED_FindField
*/
ddef_t *
ED_FindField (progs_t * pr, const char *name)
{
return Hash_Find (pr->field_hash, name);
}
int
ED_GetFieldIndex (progs_t *pr, const char *name)
{
ddef_t *def;
def = ED_FindField (pr, name);
if (def)
return def->ofs;
return -1;
}
/*
PR_FindGlobal
*/
ddef_t *
PR_FindGlobal (progs_t * pr, const char *name)
{
return Hash_Find (pr->global_hash, name);
}
pr_type_t *
PR_GetGlobalPointer (progs_t *pr, const char *name)
{
ddef_t *def;
def = PR_FindGlobal (pr, name);
if (def)
return &pr->pr_globals[def->ofs];
PR_Error (pr, "undefined global %s", name);
return 0;
}
func_t
PR_GetFunctionIndex (progs_t *pr, const char *name)
{
dfunction_t *func = ED_FindFunction (pr, name);
if (func)
return func - pr->pr_functions;
PR_Error (pr, "undefined function %s", name);
return -1;
}
int
PR_GetFieldOffset (progs_t *pr, const char *name)
{
ddef_t *def = ED_FindField (pr, name);
if (def)
return def->ofs;
PR_Error (pr, "undefined field %s", name);
return -1;
}
/*
ED_FindFunction
*/
dfunction_t *
ED_FindFunction (progs_t * pr, const char *name)
{
return Hash_Find (pr->function_hash, name);
}
int
PR_ResolveGlobals (progs_t *pr)
{
char *sym;
if (!(pr->globals.time = (float*)PR_GetGlobalPointer (pr, sym = "time")))
goto error;
if (!(pr->globals.self = (int*)PR_GetGlobalPointer (pr, sym = "self")))
goto error;
if ((pr->fields.nextthink = ED_GetFieldIndex (pr, sym = "nextthink")) == -1)
goto error;
if ((pr->fields.frame = ED_GetFieldIndex (pr, sym = "frame")) == -1)
goto error;
if ((pr->fields.think = ED_GetFieldIndex (pr, sym = "think")) == -1)
goto error;
return 1;
error:
Sys_Printf ("%s: undefined symbol: %s", pr->progs_name, sym);
return 0;
}
int
PR_AccessField (progs_t *pr, const char *name, etype_t type,
const char *file, int line)
{
ddef_t *def = ED_FindField (pr, name);
if (!def)
PR_Error (pr, "undefined field %s accessed at %s:%d", name, file, line);
if (def->type != type)
PR_Error (pr, "bad type access to %s as %s (should be %s) at %s:%d",
name, pr_type_name[type], pr_type_name[def->type],
file, line);
return def->ofs;
}