mirror of
https://git.code.sf.net/p/quake/quakeforge
synced 2024-11-10 15:22:04 +00:00
break out the non-edict code into sensible locations
This commit is contained in:
Bill Currie
parent
418f922f0f
commit
21b6e68a8c
6 changed files with 586 additions and 421 deletions
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@ -200,6 +200,7 @@ void PR_DumpState (progs_t *pr);
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void PR_StackTrace (progs_t * pr);
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extern struct cvar_s *pr_debug;
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extern struct cvar_s *pr_deadbeef_ents;
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extern struct cvar_s *pr_deadbeef_locals;
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extern struct cvar_s *pr_boundscheck;
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@ -6,4 +6,5 @@ lib_LTLIBRARIES= libQFgamecode.la
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libQFgamecode_la_LDFLAGS= -version-info 1:0:0
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libQFgamecode_la_SOURCES= \
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pr_edict.c pr_debug.c pr_exec.c pr_opcode.c pr_strings.c pr_zone.c
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pr_builtins.c pr_edict.c pr_debug.c pr_exec.c pr_load.c pr_opcode.c \
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pr_resolve.c pr_strings.c pr_zone.c
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132
libs/gamecode/engine/pr_builtins.c
Normal file
132
libs/gamecode/engine/pr_builtins.c
Normal file
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@ -0,0 +1,132 @@
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/*
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pr_edict.c
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entity dictionary
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Copyright (C) 1996-1997 Id Software, Inc.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to:
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Free Software Foundation, Inc.
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59 Temple Place - Suite 330
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Boston, MA 02111-1307, USA
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*/
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static const char rcsid[] =
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"$Id$";
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#ifdef HAVE_STRING_H
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# include <string.h>
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#endif
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#ifdef HAVE_STRINGS_H
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# include <strings.h>
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#endif
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#include <stdarg.h>
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#include <stdio.h>
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#include "QF/cmd.h"
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#include "QF/crc.h"
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#include "QF/cvar.h"
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#include "QF/hash.h"
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#include "QF/progs.h"
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#include "QF/qdefs.h"
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#include "QF/qendian.h"
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#include "QF/sys.h"
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#include "QF/zone.h"
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#include "QF/va.h"
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#include "QF/vfs.h"
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#include "compat.h"
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static const char *
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builtin_get_key (void *_bi, void *unused)
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{
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builtin_t *bi = (builtin_t *)_bi;
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return bi->name;
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}
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#define PR_AUTOBUILTIN 120
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void
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PR_AddBuiltin (progs_t *pr, const char *name, builtin_proc builtin, int num)
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{
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int i;
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if (!pr->builtin_hash)
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pr->builtin_hash = Hash_NewTable (1021, builtin_get_key, 0, pr);
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if (pr->numbuiltins == 0) {
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pr->builtins = calloc (PR_AUTOBUILTIN, sizeof (builtin_t*));
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pr->numbuiltins = PR_AUTOBUILTIN;
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if (!pr->builtins)
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PR_Error (pr, "PR_AddBuiltin: memory allocation error!\n");
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}
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if (num < 0) {
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for (i = PR_AUTOBUILTIN;
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i < pr->numbuiltins && pr->builtins[i]; i++)
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;
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if (i >= pr->numbuiltins) {
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pr->numbuiltins++;
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pr->builtins = realloc (pr->builtins,
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pr->numbuiltins * sizeof (builtin_t*));
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if (!pr->builtins)
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PR_Error (pr, "PR_AddBuiltin: memory allocation error!\n");
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}
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} else {
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if (num >= PR_AUTOBUILTIN || num == 0)
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PR_Error (pr, "PR_AddBuiltin: invalid builtin number.\n");
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if (pr->builtins[num])
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PR_Error (pr, "PR_AddBuiltin: builtin number already exists.\n");
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i = num;
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}
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pr->builtins[i] = malloc (sizeof (builtin_t));
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pr->builtins[i]->proc = builtin;
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pr->builtins[i]->name = name;
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pr->builtins[i]->first_statement = i;
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Hash_Add (pr->builtin_hash, pr->builtins[i]);
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}
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builtin_t *
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PR_FindBuiltin (progs_t *pr, const char *name)
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{
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return (builtin_t *) Hash_Find (pr->builtin_hash, name);
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}
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int
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PR_RelocateBuiltins (progs_t *pr)
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{
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int i;
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dfunction_t *func;
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builtin_t *bi;
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const char *bi_name;
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for (i = 1; i < pr->progs->numfunctions; i++) {
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func = pr->pr_functions + i;
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if (func->first_statement)
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continue;
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bi_name = PR_GetString (pr, func->s_name);
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bi = PR_FindBuiltin (pr, bi_name);
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if (!bi) {
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Sys_Printf ("PR_RelocateBuiltins: %s: undefined builtin %s\n",
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pr->progs_name, bi_name);
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return 0;
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}
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func->first_statement = -bi->first_statement;
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}
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return 1;
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}
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@ -206,110 +206,6 @@ ED_Free (progs_t * pr, edict_t *ed)
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//===========================================================================
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/*
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ED_GlobalAtOfs
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*/
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ddef_t *
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ED_GlobalAtOfs (progs_t * pr, int ofs)
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{
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ddef_t *def;
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int i;
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for (i = 0; i < pr->progs->numglobaldefs; i++) {
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def = &pr->pr_globaldefs[i];
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if (def->ofs == ofs)
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return def;
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}
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return NULL;
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}
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/*
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ED_FieldAtOfs
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*/
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ddef_t *
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ED_FieldAtOfs (progs_t * pr, int ofs)
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{
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ddef_t *def;
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int i;
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for (i = 0; i < pr->progs->numfielddefs; i++) {
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def = &pr->pr_fielddefs[i];
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if (def->ofs == ofs)
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return def;
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}
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return NULL;
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}
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/*
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ED_FindField
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*/
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ddef_t *
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ED_FindField (progs_t * pr, const char *name)
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{
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return Hash_Find (pr->field_hash, name);
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}
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int
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ED_GetFieldIndex (progs_t *pr, const char *name)
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{
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ddef_t *def;
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def = ED_FindField (pr, name);
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if (def)
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return def->ofs;
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return -1;
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}
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/*
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PR_FindGlobal
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*/
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ddef_t *
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PR_FindGlobal (progs_t * pr, const char *name)
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{
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return Hash_Find (pr->global_hash, name);
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}
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pr_type_t *
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PR_GetGlobalPointer (progs_t *pr, const char *name)
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{
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ddef_t *def;
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def = PR_FindGlobal (pr, name);
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if (def)
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return &pr->pr_globals[def->ofs];
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PR_Error (pr, "undefined global %s", name);
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return 0;
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}
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func_t
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PR_GetFunctionIndex (progs_t *pr, const char *name)
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{
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dfunction_t *func = ED_FindFunction (pr, name);
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if (func)
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return func - pr->pr_functions;
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PR_Error (pr, "undefined function %s", name);
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return -1;
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}
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int
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PR_GetFieldOffset (progs_t *pr, const char *name)
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{
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ddef_t *def = ED_FindField (pr, name);
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if (def)
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return def->ofs;
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PR_Error (pr, "undefined field %s", name);
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return -1;
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}
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/*
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ED_FindFunction
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*/
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dfunction_t *
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ED_FindFunction (progs_t * pr, const char *name)
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{
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return Hash_Find (pr->function_hash, name);
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}
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pr_type_t *
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GetEdictFieldValue (progs_t * pr, edict_t *ed, const char *field)
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{
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@ -1044,202 +940,6 @@ ED_LoadFromFile (progs_t * pr, const char *data)
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Sys_DPrintf ("%i entities inhibited\n", inhibit);
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}
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static const char *
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builtin_get_key (void *_bi, void *unused)
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{
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builtin_t *bi = (builtin_t *)_bi;
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return bi->name;
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}
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static const char *
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function_get_key (void *f, void *_pr)
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{
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progs_t *pr = (progs_t*)_pr;
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dfunction_t *func = (dfunction_t*)f;
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return PR_GetString (pr, func->s_name);
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}
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static const char *
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var_get_key (void *d, void *_pr)
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{
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progs_t *pr = (progs_t*)_pr;
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ddef_t *def = (ddef_t*)d;
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return PR_GetString (pr, def->s_name);
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}
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void
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PR_LoadProgsFile (progs_t * pr, const char *progsname)
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{
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int i;
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if (progsname)
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pr->progs = (dprograms_t *) COM_LoadHunkFile (progsname);
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else
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progsname = pr->progs_name;
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if (!pr->progs)
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return;
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pr->progs_size = com_filesize;
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Sys_DPrintf ("Programs occupy %iK.\n", com_filesize / 1024);
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// store prog crc
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pr->crc = CRC_Block ((byte *) pr->progs, com_filesize);
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// byte swap the header
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for (i = 0; i < sizeof (*pr->progs) / 4; i++)
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((int *) pr->progs)[i] = LittleLong (((int *) pr->progs)[i]);
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if (pr->progs->version != PROG_VERSION
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&& pr->progs->version != PROG_ID_VERSION) {
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if (pr->progs->version < 0x00fff000) {
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PR_Error (pr, "%s has unrecognised version number (%d)",
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progsname, pr->progs->version);
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} else {
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PR_Error (pr,
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"%s has unrecognised version number (%02x.%03x.%03x)"
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" [%02x.%03x.%03x expected]",
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progsname,
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pr->progs->version >> 24,
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(pr->progs->version >> 12) & 0xfff,
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pr->progs->version & 0xfff,
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PROG_VERSION >> 24,
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(PROG_VERSION >> 12) & 0xfff,
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PROG_VERSION & 0xfff);
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}
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}
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pr->progs_name = progsname; //XXX is this safe?
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pr->zone = 0; // caller sets up afterwards
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pr->pr_functions =
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(dfunction_t *) ((byte *) pr->progs + pr->progs->ofs_functions);
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pr->pr_strings = (char *) pr->progs + pr->progs->ofs_strings;
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pr->pr_stringsize = pr->progs->numstrings;
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pr->pr_globaldefs =
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(ddef_t *) ((byte *) pr->progs + pr->progs->ofs_globaldefs);
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pr->pr_fielddefs =
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(ddef_t *) ((byte *) pr->progs + pr->progs->ofs_fielddefs);
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pr->pr_statements =
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(dstatement_t *) ((byte *) pr->progs + pr->progs->ofs_statements);
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pr->pr_globals =
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(pr_type_t *) ((byte *) pr->progs + pr->progs->ofs_globals);
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// size of edict ascked for by progs
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pr->pr_edict_size = pr->progs->entityfields * 4;
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// size of engine data
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pr->pr_edict_size += sizeof (edict_t) - sizeof (pr_type_t);
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// round off to next highest whole word address (esp for Alpha)
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// this ensures that pointers in the engine data area are always
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// properly aligned
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pr->pr_edict_size += sizeof (void*) - 1;
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pr->pr_edict_size &= ~(sizeof (void*) - 1);
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pr->pr_edictareasize = 0;
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if (pr->function_hash) {
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Hash_FlushTable (pr->function_hash);
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} else {
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pr->function_hash = Hash_NewTable (1021, function_get_key, 0, pr);
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}
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if (pr->global_hash) {
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Hash_FlushTable (pr->global_hash);
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} else {
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pr->global_hash = Hash_NewTable (1021, var_get_key, 0, pr);
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}
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if (pr->field_hash) {
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Hash_FlushTable (pr->field_hash);
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} else {
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pr->field_hash = Hash_NewTable (1021, var_get_key, 0, pr);
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}
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// byte swap the lumps
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for (i = 0; i < pr->progs->numstatements; i++) {
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pr->pr_statements[i].op = LittleShort (pr->pr_statements[i].op);
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pr->pr_statements[i].a = LittleShort (pr->pr_statements[i].a);
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pr->pr_statements[i].b = LittleShort (pr->pr_statements[i].b);
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pr->pr_statements[i].c = LittleShort (pr->pr_statements[i].c);
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}
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for (i = 0; i < pr->progs->numfunctions; i++) {
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pr->pr_functions[i].first_statement =
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LittleLong (pr->pr_functions[i].first_statement);
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pr->pr_functions[i].parm_start =
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LittleLong (pr->pr_functions[i].parm_start);
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pr->pr_functions[i].s_name = LittleLong (pr->pr_functions[i].s_name);
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pr->pr_functions[i].s_file = LittleLong (pr->pr_functions[i].s_file);
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pr->pr_functions[i].numparms =
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LittleLong (pr->pr_functions[i].numparms);
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pr->pr_functions[i].locals = LittleLong (pr->pr_functions[i].locals);
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Hash_Add (pr->function_hash, &pr->pr_functions[i]);
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}
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for (i = 0; i < pr->progs->numglobaldefs; i++) {
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pr->pr_globaldefs[i].type = LittleShort (pr->pr_globaldefs[i].type);
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pr->pr_globaldefs[i].ofs = LittleShort (pr->pr_globaldefs[i].ofs);
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pr->pr_globaldefs[i].s_name = LittleLong (pr->pr_globaldefs[i].s_name);
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Hash_Add (pr->global_hash, &pr->pr_globaldefs[i]);
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}
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for (i = 0; i < pr->progs->numfielddefs; i++) {
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pr->pr_fielddefs[i].type = LittleShort (pr->pr_fielddefs[i].type);
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if (pr->pr_fielddefs[i].type & DEF_SAVEGLOBAL)
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PR_Error (pr, "PR_LoadProgs: pr_fielddefs[i].type & DEF_SAVEGLOBAL");
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pr->pr_fielddefs[i].ofs = LittleShort (pr->pr_fielddefs[i].ofs);
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pr->pr_fielddefs[i].s_name = LittleLong (pr->pr_fielddefs[i].s_name);
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Hash_Add (pr->field_hash, &pr->pr_fielddefs[i]);
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}
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for (i = 0; i < pr->progs->numglobals; i++)
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((int *) pr->pr_globals)[i] = LittleLong (((int *) pr->pr_globals)[i]);
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}
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int
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PR_ResolveGlobals (progs_t *pr)
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{
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char *sym;
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if (!(pr->globals.time = (float*)PR_GetGlobalPointer (pr, sym = "time")))
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goto error;
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if (!(pr->globals.self = (int*)PR_GetGlobalPointer (pr, sym = "self")))
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goto error;
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if ((pr->fields.nextthink = ED_GetFieldIndex (pr, sym = "nextthink")) == -1)
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goto error;
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if ((pr->fields.frame = ED_GetFieldIndex (pr, sym = "frame")) == -1)
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goto error;
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if ((pr->fields.think = ED_GetFieldIndex (pr, sym = "think")) == -1)
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goto error;
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return 1;
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error:
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Sys_Printf ("%s: undefined symbol: %s", pr->progs_name, sym);
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return 0;
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}
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/*
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PR_LoadProgs
|
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*/
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void
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PR_LoadProgs (progs_t *pr, const char *progsname)
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{
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PR_LoadProgsFile (pr, progsname);
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if (!pr->progs)
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return;
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||||
|
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if (!progsname)
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progsname = "(preloaded)";
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if (!PR_ResolveGlobals (pr))
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PR_Error (pr, "unable to load %s", progsname);
|
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// initialise the strings managment code
|
||||
PR_LoadStrings (pr);
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PR_LoadDebug (pr);
|
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||||
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
256
libs/gamecode/engine/pr_load.c
Normal 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
195
libs/gamecode/engine/pr_resolve.c
Normal 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;
|
||||
}
|
||||
Loading…
Reference in a new issue