2 Copyright (C) 1996-1997 Id Software, Inc.
4 This program is free software; you can redistribute it and/or
5 modify it under the terms of the GNU General Public License
6 as published by the Free Software Foundation; either version 2
7 of the License, or (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
13 See the GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
27 static prvm_prog_t prog_list[PRVM_MAXPROGS];
29 int prvm_type_size[8] = {1,sizeof(string_t)/4,1,3,1,1,sizeof(func_t)/4,sizeof(void *)/4};
31 ddef_t *PRVM_ED_FieldAtOfs(int ofs);
32 qboolean PRVM_ED_ParseEpair(prvm_edict_t *ent, ddef_t *key, const char *s);
34 // LordHavoc: optional runtime bounds checking (speed drain, but worth it for security, on by default - breaks most QCCX features (used by CRMod and others))
35 #ifdef PRVM_BOUNDSCHECK_CVAR
36 cvar_t prvm_boundscheck = {0, "prvm_boundscheck", "1", "enables detection of out of bounds memory access in the QuakeC code being run (in other words, prevents really exceedingly bad QuakeC code from doing nasty things to your computer)"};
38 // LordHavoc: prints every opcode as it executes - warning: this is significant spew
39 cvar_t prvm_traceqc = {0, "prvm_traceqc", "0", "prints every QuakeC statement as it is executed (only for really thorough debugging!)"};
40 // LordHavoc: counts usage of each QuakeC statement
41 cvar_t prvm_statementprofiling = {0, "prvm_statementprofiling", "0", "counts how many times each QuakeC statement has been executed, these counts are displayed in prvm_printfunction output (if enabled)"};
42 cvar_t prvm_backtraceforwarnings = {0, "prvm_backtraceforwarnings", "0", "print a backtrace for warnings too"};
44 extern sizebuf_t vm_tempstringsbuf;
46 //============================================================================
54 void PRVM_MEM_Alloc(void)
58 // reserve space for the null entity aka world
59 // check bound of max_edicts
60 prog->max_edicts = bound(1 + prog->reserved_edicts, prog->max_edicts, prog->limit_edicts);
61 prog->num_edicts = bound(1 + prog->reserved_edicts, prog->num_edicts, prog->max_edicts);
63 // edictprivate_size has to be min as big prvm_edict_private_t
64 prog->edictprivate_size = max(prog->edictprivate_size,(int)sizeof(prvm_edict_private_t));
67 prog->edicts = (prvm_edict_t *)Mem_Alloc(prog->progs_mempool,prog->limit_edicts * sizeof(prvm_edict_t));
69 // alloc edict private space
70 prog->edictprivate = Mem_Alloc(prog->progs_mempool, prog->max_edicts * prog->edictprivate_size);
73 prog->edictsfields = Mem_Alloc(prog->progs_mempool, prog->max_edicts * prog->edict_size);
76 for(i = 0; i < prog->max_edicts; i++)
78 prog->edicts[i].priv.required = (prvm_edict_private_t *)((unsigned char *)prog->edictprivate + i * prog->edictprivate_size);
79 prog->edicts[i].fields.vp = (void*)((unsigned char *)prog->edictsfields + i * prog->edict_size);
85 PRVM_MEM_IncreaseEdicts
88 void PRVM_MEM_IncreaseEdicts(void)
91 int oldmaxedicts = prog->max_edicts;
92 void *oldedictsfields = prog->edictsfields;
93 void *oldedictprivate = prog->edictprivate;
95 if(prog->max_edicts >= prog->limit_edicts)
98 PRVM_GCALL(begin_increase_edicts)();
101 prog->max_edicts = min(prog->max_edicts + 256, prog->limit_edicts);
103 prog->edictsfields = Mem_Alloc(prog->progs_mempool, prog->max_edicts * prog->edict_size);
104 prog->edictprivate = Mem_Alloc(prog->progs_mempool, prog->max_edicts * prog->edictprivate_size);
106 memcpy(prog->edictsfields, oldedictsfields, oldmaxedicts * prog->edict_size);
107 memcpy(prog->edictprivate, oldedictprivate, oldmaxedicts * prog->edictprivate_size);
109 //set e and v pointers
110 for(i = 0; i < prog->max_edicts; i++)
112 prog->edicts[i].priv.required = (prvm_edict_private_t *)((unsigned char *)prog->edictprivate + i * prog->edictprivate_size);
113 prog->edicts[i].fields.vp = (void*)((unsigned char *)prog->edictsfields + i * prog->edict_size);
116 PRVM_GCALL(end_increase_edicts)();
118 Mem_Free(oldedictsfields);
119 Mem_Free(oldedictprivate);
122 //============================================================================
125 int PRVM_ED_FindFieldOffset(const char *field)
128 d = PRVM_ED_FindField(field);
134 int PRVM_ED_FindGlobalOffset(const char *global)
137 d = PRVM_ED_FindGlobal(global);
143 func_t PRVM_ED_FindFunctionOffset(const char *function)
146 f = PRVM_ED_FindFunction(function);
149 return (func_t)(f - prog->functions);
152 qboolean PRVM_ProgLoaded(int prognr)
154 if(prognr < 0 || prognr >= PRVM_MAXPROGS)
157 return (prog_list[prognr].loaded ? TRUE : FALSE);
162 PRVM_SetProgFromString
165 // perhaps add a return value when the str doesnt exist
166 qboolean PRVM_SetProgFromString(const char *str)
169 for(; i < PRVM_MAXPROGS ; i++)
170 if(prog_list[i].name && !strcmp(prog_list[i].name,str))
172 if(prog_list[i].loaded)
174 prog = &prog_list[i];
179 Con_Printf("%s not loaded !\n",PRVM_NAME);
184 Con_Printf("Invalid program name %s !\n", str);
193 void PRVM_SetProg(int prognr)
195 if(0 <= prognr && prognr < PRVM_MAXPROGS)
197 if(prog_list[prognr].loaded)
198 prog = &prog_list[prognr];
200 PRVM_ERROR("%i not loaded !", prognr);
203 PRVM_ERROR("Invalid program number %i", prognr);
210 Sets everything to NULL
213 void PRVM_ED_ClearEdict (prvm_edict_t *e)
215 memset (e->fields.vp, 0, prog->progs->entityfields * 4);
216 e->priv.required->free = false;
218 // AK: Let the init_edict function determine if something needs to be initialized
219 PRVM_GCALL(init_edict)(e);
226 Either finds a free edict, or allocates a new one.
227 Try to avoid reusing an entity that was recently freed, because it
228 can cause the client to think the entity morphed into something else
229 instead of being removed and recreated, which can cause interpolated
230 angles and bad trails.
233 prvm_edict_t *PRVM_ED_Alloc (void)
238 // the client qc dont need maxclients
239 // thus it doesnt need to use svs.maxclients
240 // AK: changed i=svs.maxclients+1
241 // AK: changed so the edict 0 wont spawn -> used as reserved/world entity
242 // although the menu/client has no world
243 for (i = prog->reserved_edicts + 1;i < prog->num_edicts;i++)
245 e = PRVM_EDICT_NUM(i);
246 // the first couple seconds of server time can involve a lot of
247 // freeing and allocating, so relax the replacement policy
248 if (e->priv.required->free && ( e->priv.required->freetime < 2 || prog->globaloffsets.time < 0 || (PRVM_GLOBALFIELDVALUE(prog->globaloffsets.time)->_float - e->priv.required->freetime) > 0.5 ) )
250 PRVM_ED_ClearEdict (e);
255 if (i == prog->limit_edicts)
256 PRVM_ERROR ("%s: PRVM_ED_Alloc: no free edicts",PRVM_NAME);
259 if (prog->num_edicts >= prog->max_edicts)
260 PRVM_MEM_IncreaseEdicts();
262 e = PRVM_EDICT_NUM(i);
263 PRVM_ED_ClearEdict (e);
272 Marks the edict as free
273 FIXME: walk all entities and NULL out references to this entity
276 void PRVM_ED_Free (prvm_edict_t *ed)
278 // dont delete the null entity (world) or reserved edicts
279 if(PRVM_NUM_FOR_EDICT(ed) <= prog->reserved_edicts )
282 PRVM_GCALL(free_edict)(ed);
284 ed->priv.required->free = true;
285 ed->priv.required->freetime = prog->globaloffsets.time >= 0 ? PRVM_GLOBALFIELDVALUE(prog->globaloffsets.time)->_float : 0;
288 //===========================================================================
295 ddef_t *PRVM_ED_GlobalAtOfs (int ofs)
300 for (i=0 ; i<prog->progs->numglobaldefs ; i++)
302 def = &prog->globaldefs[i];
314 ddef_t *PRVM_ED_FieldAtOfs (int ofs)
319 for (i=0 ; i<prog->progs->numfielddefs ; i++)
321 def = &prog->fielddefs[i];
333 ddef_t *PRVM_ED_FindField (const char *name)
338 for (i=0 ; i<prog->progs->numfielddefs ; i++)
340 def = &prog->fielddefs[i];
341 if (!strcmp(PRVM_GetString(def->s_name), name))
352 ddef_t *PRVM_ED_FindGlobal (const char *name)
357 for (i=0 ; i<prog->progs->numglobaldefs ; i++)
359 def = &prog->globaldefs[i];
360 if (!strcmp(PRVM_GetString(def->s_name), name))
372 mfunction_t *PRVM_ED_FindFunction (const char *name)
377 for (i=0 ; i<prog->progs->numfunctions ; i++)
379 func = &prog->functions[i];
380 if (!strcmp(PRVM_GetString(func->s_name), name))
391 Returns a string describing *data in a type specific manner
394 char *PRVM_ValueString (etype_t type, prvm_eval_t *val)
396 static char line[MAX_INPUTLINE];
401 type = (etype_t)((int) type & ~DEF_SAVEGLOBAL);
406 strlcpy (line, PRVM_GetString (val->string), sizeof (line));
410 if (n < 0 || n >= prog->limit_edicts)
411 sprintf (line, "entity %i (invalid!)", n);
413 sprintf (line, "entity %i", n);
416 f = prog->functions + val->function;
417 sprintf (line, "%s()", PRVM_GetString(f->s_name));
420 def = PRVM_ED_FieldAtOfs ( val->_int );
421 sprintf (line, ".%s", PRVM_GetString(def->s_name));
424 sprintf (line, "void");
427 // LordHavoc: changed from %5.1f to %10.4f
428 sprintf (line, "%10.4f", val->_float);
431 // LordHavoc: changed from %5.1f to %10.4f
432 sprintf (line, "'%10.4f %10.4f %10.4f'", val->vector[0], val->vector[1], val->vector[2]);
435 sprintf (line, "pointer");
438 sprintf (line, "bad type %i", (int) type);
449 Returns a string describing *data in a type specific manner
450 Easier to parse than PR_ValueString
453 char *PRVM_UglyValueString (etype_t type, prvm_eval_t *val)
455 static char line[MAX_INPUTLINE];
461 type = (etype_t)((int)type & ~DEF_SAVEGLOBAL);
466 // Parse the string a bit to turn special characters
467 // (like newline, specifically) into escape codes,
468 // this fixes saving games from various mods
469 s = PRVM_GetString (val->string);
470 for (i = 0;i < (int)sizeof(line) - 2 && *s;)
489 dpsnprintf (line, sizeof (line), "%i", PRVM_NUM_FOR_EDICT(PRVM_PROG_TO_EDICT(val->edict)));
492 f = prog->functions + val->function;
493 strlcpy (line, PRVM_GetString (f->s_name), sizeof (line));
496 def = PRVM_ED_FieldAtOfs ( val->_int );
497 dpsnprintf (line, sizeof (line), ".%s", PRVM_GetString(def->s_name));
500 dpsnprintf (line, sizeof (line), "void");
503 dpsnprintf (line, sizeof (line), "%f", val->_float);
506 dpsnprintf (line, sizeof (line), "%f %f %f", val->vector[0], val->vector[1], val->vector[2]);
509 dpsnprintf (line, sizeof (line), "bad type %i", type);
520 Returns a string with a description and the contents of a global,
521 padded to 20 field width
524 char *PRVM_GlobalString (int ofs)
530 static char line[128];
532 val = (void *)&prog->globals.generic[ofs];
533 def = PRVM_ED_GlobalAtOfs(ofs);
535 sprintf (line,"GLOBAL%i", ofs);
538 s = PRVM_ValueString ((etype_t)def->type, (prvm_eval_t *)val);
539 sprintf (line,"%s (=%s)", PRVM_GetString(def->s_name), s);
543 //for ( ; i<20 ; i++)
544 // strcat (line," ");
550 char *PRVM_GlobalStringNoContents (int ofs)
554 static char line[128];
556 def = PRVM_ED_GlobalAtOfs(ofs);
558 sprintf (line,"GLOBAL%i", ofs);
560 sprintf (line,"%s", PRVM_GetString(def->s_name));
563 //for ( ; i<20 ; i++)
564 // strcat (line," ");
578 // LordHavoc: optimized this to print out much more quickly (tempstring)
579 // LordHavoc: changed to print out every 4096 characters (incase there are a lot of fields to print)
580 void PRVM_ED_Print(prvm_edict_t *ed, const char *wildcard_fieldname)
588 char tempstring[MAX_INPUTLINE], tempstring2[260]; // temporary string buffers
590 if (ed->priv.required->free)
592 Con_Printf("%s: FREE\n",PRVM_NAME);
597 sprintf(tempstring, "\n%s EDICT %i:\n", PRVM_NAME, PRVM_NUM_FOR_EDICT(ed));
598 for (i=1 ; i<prog->progs->numfielddefs ; i++)
600 d = &prog->fielddefs[i];
601 name = PRVM_GetString(d->s_name);
602 if (name[strlen(name)-2] == '_')
603 continue; // skip _x, _y, _z vars
605 // Check Field Name Wildcard
606 if(wildcard_fieldname)
607 if( !matchpattern(name, wildcard_fieldname, 1) )
608 // Didn't match; skip
611 v = (int *)((char *)ed->fields.vp + d->ofs*4);
613 // if the value is still all 0, skip the field
614 type = d->type & ~DEF_SAVEGLOBAL;
616 for (j=0 ; j<prvm_type_size[type] ; j++)
619 if (j == prvm_type_size[type])
622 if (strlen(name) > sizeof(tempstring2)-4)
624 memcpy (tempstring2, name, sizeof(tempstring2)-4);
625 tempstring2[sizeof(tempstring2)-4] = tempstring2[sizeof(tempstring2)-3] = tempstring2[sizeof(tempstring2)-2] = '.';
626 tempstring2[sizeof(tempstring2)-1] = 0;
629 strlcat(tempstring, name, sizeof(tempstring));
630 for (l = strlen(name);l < 14;l++)
631 strlcat(tempstring, " ", sizeof(tempstring));
632 strlcat(tempstring, " ", sizeof(tempstring));
634 name = PRVM_ValueString((etype_t)d->type, (prvm_eval_t *)v);
635 if (strlen(name) > sizeof(tempstring2)-4)
637 memcpy (tempstring2, name, sizeof(tempstring2)-4);
638 tempstring2[sizeof(tempstring2)-4] = tempstring2[sizeof(tempstring2)-3] = tempstring2[sizeof(tempstring2)-2] = '.';
639 tempstring2[sizeof(tempstring2)-1] = 0;
642 strlcat(tempstring, name, sizeof(tempstring));
643 strlcat(tempstring, "\n", sizeof(tempstring));
644 if (strlen(tempstring) >= sizeof(tempstring)/2)
646 Con_Print(tempstring);
651 Con_Print(tempstring);
661 void PRVM_ED_Write (qfile_t *f, prvm_edict_t *ed)
671 if (ed->priv.required->free)
677 for (i=1 ; i<prog->progs->numfielddefs ; i++)
679 d = &prog->fielddefs[i];
680 name = PRVM_GetString(d->s_name);
681 if (name[strlen(name)-2] == '_')
682 continue; // skip _x, _y, _z vars
684 v = (int *)((char *)ed->fields.vp + d->ofs*4);
686 // if the value is still all 0, skip the field
687 type = d->type & ~DEF_SAVEGLOBAL;
688 for (j=0 ; j<prvm_type_size[type] ; j++)
691 if (j == prvm_type_size[type])
694 FS_Printf(f,"\"%s\" ",name);
695 FS_Printf(f,"\"%s\"\n", PRVM_UglyValueString((etype_t)d->type, (prvm_eval_t *)v));
701 void PRVM_ED_PrintNum (int ent, const char *wildcard_fieldname)
703 PRVM_ED_Print(PRVM_EDICT_NUM(ent), wildcard_fieldname);
708 PRVM_ED_PrintEdicts_f
710 For debugging, prints all the entities in the current server
713 void PRVM_ED_PrintEdicts_f (void)
716 const char *wildcard_fieldname;
718 if(Cmd_Argc() < 2 || Cmd_Argc() > 3)
720 Con_Print("prvm_edicts <program name> <optional field name wildcard>\n");
725 if(!PRVM_SetProgFromString(Cmd_Argv(1)))
729 wildcard_fieldname = Cmd_Argv(2);
731 wildcard_fieldname = NULL;
733 Con_Printf("%s: %i entities\n", PRVM_NAME, prog->num_edicts);
734 for (i=0 ; i<prog->num_edicts ; i++)
735 PRVM_ED_PrintNum (i, wildcard_fieldname);
744 For debugging, prints a single edict
747 void PRVM_ED_PrintEdict_f (void)
750 const char *wildcard_fieldname;
752 if(Cmd_Argc() < 3 || Cmd_Argc() > 4)
754 Con_Print("prvm_edict <program name> <edict number> <optional field name wildcard>\n");
759 if(!PRVM_SetProgFromString(Cmd_Argv(1)))
762 i = atoi (Cmd_Argv(2));
763 if (i >= prog->num_edicts)
765 Con_Print("Bad edict number\n");
770 // Optional Wildcard Provided
771 wildcard_fieldname = Cmd_Argv(3);
774 wildcard_fieldname = NULL;
775 PRVM_ED_PrintNum (i, wildcard_fieldname);
787 // 2 possibilities : 1. just displaying the active edict count
788 // 2. making a function pointer [x]
789 void PRVM_ED_Count_f (void)
797 Con_Print("prvm_count <program name>\n");
802 if(!PRVM_SetProgFromString(Cmd_Argv(1)))
805 if(prog->count_edicts)
806 prog->count_edicts();
810 for (i=0 ; i<prog->num_edicts ; i++)
812 ent = PRVM_EDICT_NUM(i);
813 if (ent->priv.required->free)
818 Con_Printf("num_edicts:%3i\n", prog->num_edicts);
819 Con_Printf("active :%3i\n", active);
826 ==============================================================================
830 FIXME: need to tag constants, doesn't really work
831 ==============================================================================
839 void PRVM_ED_WriteGlobals (qfile_t *f)
847 for (i=0 ; i<prog->progs->numglobaldefs ; i++)
849 def = &prog->globaldefs[i];
851 if ( !(def->type & DEF_SAVEGLOBAL) )
853 type &= ~DEF_SAVEGLOBAL;
855 if (type != ev_string && type != ev_float && type != ev_entity)
858 name = PRVM_GetString(def->s_name);
859 FS_Printf(f,"\"%s\" ", name);
860 FS_Printf(f,"\"%s\"\n", PRVM_UglyValueString((etype_t)type, (prvm_eval_t *)&prog->globals.generic[def->ofs]));
870 void PRVM_ED_ParseGlobals (const char *data)
872 char keyname[MAX_INPUTLINE];
878 if (!COM_ParseToken_Simple(&data, false, false))
879 PRVM_ERROR ("PRVM_ED_ParseGlobals: EOF without closing brace");
880 if (com_token[0] == '}')
883 strlcpy (keyname, com_token, sizeof(keyname));
886 if (!COM_ParseToken_Simple(&data, false, true))
887 PRVM_ERROR ("PRVM_ED_ParseGlobals: EOF without closing brace");
889 if (com_token[0] == '}')
890 PRVM_ERROR ("PRVM_ED_ParseGlobals: closing brace without data");
892 key = PRVM_ED_FindGlobal (keyname);
895 Con_DPrintf("'%s' is not a global on %s\n", keyname, PRVM_NAME);
899 if (!PRVM_ED_ParseEpair(NULL, key, com_token))
900 PRVM_ERROR ("PRVM_ED_ParseGlobals: parse error");
904 //============================================================================
911 Can parse either fields or globals
912 returns false if error
915 qboolean PRVM_ED_ParseEpair(prvm_edict_t *ent, ddef_t *key, const char *s)
924 val = (prvm_eval_t *)((int *)ent->fields.vp + key->ofs);
926 val = (prvm_eval_t *)((int *)prog->globals.generic + key->ofs);
927 switch (key->type & ~DEF_SAVEGLOBAL)
930 l = (int)strlen(s) + 1;
931 val->string = PRVM_AllocString(l, &new_p);
932 for (i = 0;i < l;i++)
934 if (s[i] == '\\' && i < l-1)
939 else if (s[i] == 'r')
950 while (*s && *s <= ' ')
952 val->_float = atof(s);
956 for (i = 0;i < 3;i++)
958 while (*s && *s <= ' ')
962 val->vector[i] = atof(s);
971 while (*s && *s <= ' ')
974 if (i >= prog->limit_edicts)
975 Con_Printf("PRVM_ED_ParseEpair: ev_entity reference too large (edict %u >= MAX_EDICTS %u) on %s\n", (unsigned int)i, (unsigned int)MAX_EDICTS, PRVM_NAME);
976 while (i >= prog->max_edicts)
977 PRVM_MEM_IncreaseEdicts();
978 // if IncreaseEdicts was called the base pointer needs to be updated
980 val = (prvm_eval_t *)((int *)ent->fields.vp + key->ofs);
981 val->edict = PRVM_EDICT_TO_PROG(PRVM_EDICT_NUM((int)i));
985 def = PRVM_ED_FindField(s);
988 Con_DPrintf("PRVM_ED_ParseEpair: Can't find field %s in %s\n", s, PRVM_NAME);
991 val->_int = def->ofs;
995 func = PRVM_ED_FindFunction(s);
998 Con_Printf("PRVM_ED_ParseEpair: Can't find function %s in %s\n", s, PRVM_NAME);
1001 val->function = func - prog->functions;
1005 Con_Printf("PRVM_ED_ParseEpair: Unknown key->type %i for key \"%s\" on %s\n", key->type, PRVM_GetString(key->s_name), PRVM_NAME);
1015 Console command to send a string to QC function GameCommand of the
1019 sv_cmd adminmsg 3 "do not teamkill"
1020 cl_cmd someclientcommand
1021 menu_cmd somemenucommand
1023 All progs can support this extension; sg calls it in server QC, cg in client
1027 void PRVM_GameCommand(const char *whichprogs, const char *whichcmd)
1031 Con_Printf("%s text...\n", whichcmd);
1036 if(!PRVM_SetProgFromString(whichprogs))
1037 // note: this is not PRVM_SetProg because that one aborts "hard" using PRVM_Error
1038 // also, it makes printing error messages easier!
1040 Con_Printf("%s program not loaded.\n", whichprogs);
1044 if(!prog->funcoffsets.GameCommand)
1046 Con_Printf("%s program do not support GameCommand!\n", whichprogs);
1050 int restorevm_tempstringsbuf_cursize;
1055 restorevm_tempstringsbuf_cursize = vm_tempstringsbuf.cursize;
1056 PRVM_G_INT(OFS_PARM0) = PRVM_SetTempString(s ? s : "");
1057 PRVM_ExecuteProgram (prog->funcoffsets.GameCommand, "QC function GameCommand is missing");
1058 vm_tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
1063 void PRVM_GameCommand_Server_f(void)
1065 PRVM_GameCommand("server", "sv_cmd");
1067 void PRVM_GameCommand_Client_f(void)
1069 PRVM_GameCommand("client", "cl_cmd");
1071 void PRVM_GameCommand_Menu_f(void)
1073 PRVM_GameCommand("menu", "menu_cmd");
1080 Console command to set a field of a specified edict
1083 void PRVM_ED_EdictSet_f(void)
1090 Con_Print("prvm_edictset <program name> <edict number> <field> <value>\n");
1095 if(!PRVM_SetProgFromString(Cmd_Argv(1)))
1097 Con_Printf("Wrong program name %s !\n", Cmd_Argv(1));
1101 ed = PRVM_EDICT_NUM(atoi(Cmd_Argv(2)));
1103 if((key = PRVM_ED_FindField(Cmd_Argv(3))) == 0)
1104 Con_Printf("Key %s not found !\n", Cmd_Argv(3));
1106 PRVM_ED_ParseEpair(ed, key, Cmd_Argv(4));
1112 ====================
1115 Parses an edict out of the given string, returning the new position
1116 ed should be a properly initialized empty edict.
1117 Used for initial level load and for savegames.
1118 ====================
1120 extern cvar_t developer_entityparsing;
1121 const char *PRVM_ED_ParseEdict (const char *data, prvm_edict_t *ent)
1131 // go through all the dictionary pairs
1135 if (!COM_ParseToken_Simple(&data, false, false))
1136 PRVM_ERROR ("PRVM_ED_ParseEdict: EOF without closing brace");
1137 if (developer_entityparsing.integer)
1138 Con_Printf("Key: \"%s\"", com_token);
1139 if (com_token[0] == '}')
1142 // anglehack is to allow QuakeEd to write single scalar angles
1143 // and allow them to be turned into vectors. (FIXME...)
1144 if (!strcmp(com_token, "angle"))
1146 strlcpy (com_token, "angles", sizeof(com_token));
1152 // FIXME: change light to _light to get rid of this hack
1153 if (!strcmp(com_token, "light"))
1154 strlcpy (com_token, "light_lev", sizeof(com_token)); // hack for single light def
1156 strlcpy (keyname, com_token, sizeof(keyname));
1158 // another hack to fix keynames with trailing spaces
1159 n = strlen(keyname);
1160 while (n && keyname[n-1] == ' ')
1167 if (!COM_ParseToken_Simple(&data, false, true))
1168 PRVM_ERROR ("PRVM_ED_ParseEdict: EOF without closing brace");
1169 if (developer_entityparsing.integer)
1170 Con_Printf(" \"%s\"\n", com_token);
1172 if (com_token[0] == '}')
1173 PRVM_ERROR ("PRVM_ED_ParseEdict: closing brace without data");
1177 // ignore attempts to set key "" (this problem occurs in nehahra neh1m8.bsp)
1181 // keynames with a leading underscore are used for utility comments,
1182 // and are immediately discarded by quake
1183 if (keyname[0] == '_')
1186 key = PRVM_ED_FindField (keyname);
1189 Con_DPrintf("%s: '%s' is not a field\n", PRVM_NAME, keyname);
1196 strlcpy (temp, com_token, sizeof(temp));
1197 sprintf (com_token, "0 %s 0", temp);
1200 if (!PRVM_ED_ParseEpair(ent, key, com_token))
1201 PRVM_ERROR ("PRVM_ED_ParseEdict: parse error");
1205 ent->priv.required->free = true;
1213 PRVM_ED_LoadFromFile
1215 The entities are directly placed in the array, rather than allocated with
1216 PRVM_ED_Alloc, because otherwise an error loading the map would have entity
1217 number references out of order.
1219 Creates a server's entity / program execution context by
1220 parsing textual entity definitions out of an ent file.
1222 Used for both fresh maps and savegame loads. A fresh map would also need
1223 to call PRVM_ED_CallSpawnFunctions () to let the objects initialize themselves.
1226 void PRVM_ED_LoadFromFile (const char *data)
1229 int parsed, inhibited, spawned, died;
1230 const char *funcname;
1242 // parse the opening brace
1243 if (!COM_ParseToken_Simple(&data, false, false))
1245 if (com_token[0] != '{')
1246 PRVM_ERROR ("PRVM_ED_LoadFromFile: %s: found %s when expecting {", PRVM_NAME, com_token);
1248 // CHANGED: this is not conform to PR_LoadFromFile
1249 if(prog->loadintoworld)
1251 prog->loadintoworld = false;
1252 ent = PRVM_EDICT_NUM(0);
1255 ent = PRVM_ED_Alloc();
1258 if (ent != prog->edicts) // hack
1259 memset (ent->fields.vp, 0, prog->progs->entityfields * 4);
1261 data = PRVM_ED_ParseEdict (data, ent);
1264 // remove the entity ?
1265 if(prog->load_edict && !prog->load_edict(ent))
1273 // immediately call spawn function, but only if there is a self global and a classname
1275 if(prog->globaloffsets.self >= 0 && prog->fieldoffsets.classname >= 0)
1277 string_t handle = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.classname)->string;
1280 Con_Print("No classname for:\n");
1281 PRVM_ED_Print(ent, NULL);
1286 // look for the spawn function
1287 funcname = PRVM_GetString(handle);
1288 func = PRVM_ED_FindFunction (va("spawnfunc_%s", funcname));
1290 func = PRVM_ED_FindFunction (funcname);
1294 // check for OnEntityNoSpawnFunction
1295 if (prog->funcoffsets.SV_OnEntityNoSpawnFunction)
1298 PRVM_GLOBALFIELDVALUE(prog->globaloffsets.self)->edict = PRVM_EDICT_TO_PROG(ent);
1299 PRVM_ExecuteProgram (prog->funcoffsets.SV_OnEntityNoSpawnFunction, "QC function SV_OnEntityNoSpawnFunction is missing");
1303 if (developer.integer) // don't confuse non-developers with errors
1305 Con_Print("No spawn function for:\n");
1306 PRVM_ED_Print(ent, NULL);
1315 PRVM_GLOBALFIELDVALUE(prog->globaloffsets.self)->edict = PRVM_EDICT_TO_PROG(ent);
1316 PRVM_ExecuteProgram (func - prog->functions, "");
1321 if (ent->priv.required->free)
1325 Con_DPrintf("%s: %i new entities parsed, %i new inhibited, %i (%i new) spawned (whereas %i removed self, %i stayed)\n", PRVM_NAME, parsed, inhibited, prog->num_edicts, spawned, died, spawned - died);
1328 void PRVM_FindOffsets(void)
1330 // field and global searches use -1 for NULL
1331 memset(&prog->fieldoffsets, -1, sizeof(prog->fieldoffsets));
1332 memset(&prog->globaloffsets, -1, sizeof(prog->globaloffsets));
1333 // functions use 0 for NULL
1334 memset(&prog->funcoffsets, 0, sizeof(prog->funcoffsets));
1336 // server and client qc use a lot of similar fields, so this is combined
1337 prog->fieldoffsets.SendEntity = PRVM_ED_FindFieldOffset("SendEntity");
1338 prog->fieldoffsets.Version = PRVM_ED_FindFieldOffset("Version");
1339 prog->fieldoffsets.alpha = PRVM_ED_FindFieldOffset("alpha");
1340 prog->fieldoffsets.ammo_cells1 = PRVM_ED_FindFieldOffset("ammo_cells1");
1341 prog->fieldoffsets.ammo_lava_nails = PRVM_ED_FindFieldOffset("ammo_lava_nails");
1342 prog->fieldoffsets.ammo_multi_rockets = PRVM_ED_FindFieldOffset("ammo_multi_rockets");
1343 prog->fieldoffsets.ammo_nails1 = PRVM_ED_FindFieldOffset("ammo_nails1");
1344 prog->fieldoffsets.ammo_plasma = PRVM_ED_FindFieldOffset("ammo_plasma");
1345 prog->fieldoffsets.ammo_rockets1 = PRVM_ED_FindFieldOffset("ammo_rockets1");
1346 prog->fieldoffsets.ammo_shells1 = PRVM_ED_FindFieldOffset("ammo_shells1");
1347 prog->fieldoffsets.angles = PRVM_ED_FindFieldOffset("angles");
1348 prog->fieldoffsets.button3 = PRVM_ED_FindFieldOffset("button3");
1349 prog->fieldoffsets.button4 = PRVM_ED_FindFieldOffset("button4");
1350 prog->fieldoffsets.button5 = PRVM_ED_FindFieldOffset("button5");
1351 prog->fieldoffsets.button6 = PRVM_ED_FindFieldOffset("button6");
1352 prog->fieldoffsets.button7 = PRVM_ED_FindFieldOffset("button7");
1353 prog->fieldoffsets.button8 = PRVM_ED_FindFieldOffset("button8");
1354 prog->fieldoffsets.button9 = PRVM_ED_FindFieldOffset("button9");
1355 prog->fieldoffsets.button10 = PRVM_ED_FindFieldOffset("button10");
1356 prog->fieldoffsets.button11 = PRVM_ED_FindFieldOffset("button11");
1357 prog->fieldoffsets.button12 = PRVM_ED_FindFieldOffset("button12");
1358 prog->fieldoffsets.button13 = PRVM_ED_FindFieldOffset("button13");
1359 prog->fieldoffsets.button14 = PRVM_ED_FindFieldOffset("button14");
1360 prog->fieldoffsets.button15 = PRVM_ED_FindFieldOffset("button15");
1361 prog->fieldoffsets.button16 = PRVM_ED_FindFieldOffset("button16");
1362 prog->fieldoffsets.buttonchat = PRVM_ED_FindFieldOffset("buttonchat");
1363 prog->fieldoffsets.buttonuse = PRVM_ED_FindFieldOffset("buttonuse");
1364 prog->fieldoffsets.chain = PRVM_ED_FindFieldOffset("chain");
1365 prog->fieldoffsets.classname = PRVM_ED_FindFieldOffset("classname");
1366 prog->fieldoffsets.clientcolors = PRVM_ED_FindFieldOffset("clientcolors");
1367 prog->fieldoffsets.color = PRVM_ED_FindFieldOffset("color");
1368 prog->fieldoffsets.colormod = PRVM_ED_FindFieldOffset("colormod");
1369 prog->fieldoffsets.contentstransition = PRVM_ED_FindFieldOffset("contentstransition");
1370 prog->fieldoffsets.cursor_active = PRVM_ED_FindFieldOffset("cursor_active");
1371 prog->fieldoffsets.cursor_screen = PRVM_ED_FindFieldOffset("cursor_screen");
1372 prog->fieldoffsets.cursor_trace_endpos = PRVM_ED_FindFieldOffset("cursor_trace_endpos");
1373 prog->fieldoffsets.cursor_trace_ent = PRVM_ED_FindFieldOffset("cursor_trace_ent");
1374 prog->fieldoffsets.cursor_trace_start = PRVM_ED_FindFieldOffset("cursor_trace_start");
1375 prog->fieldoffsets.customizeentityforclient = PRVM_ED_FindFieldOffset("customizeentityforclient");
1376 prog->fieldoffsets.dimension_hit = PRVM_ED_FindFieldOffset("dimension_hit");
1377 prog->fieldoffsets.dimension_solid = PRVM_ED_FindFieldOffset("dimension_solid");
1378 prog->fieldoffsets.disableclientprediction = PRVM_ED_FindFieldOffset("disableclientprediction");
1379 prog->fieldoffsets.dphitcontentsmask = PRVM_ED_FindFieldOffset("dphitcontentsmask");
1380 prog->fieldoffsets.drawonlytoclient = PRVM_ED_FindFieldOffset("drawonlytoclient");
1381 prog->fieldoffsets.exteriormodeltoclient = PRVM_ED_FindFieldOffset("exteriormodeltoclient");
1382 prog->fieldoffsets.fatness = PRVM_ED_FindFieldOffset("fatness");
1383 prog->fieldoffsets.forceshader = PRVM_ED_FindFieldOffset("forceshader");
1384 prog->fieldoffsets.frame = PRVM_ED_FindFieldOffset("frame");
1385 prog->fieldoffsets.frame1time = PRVM_ED_FindFieldOffset("frame1time");
1386 prog->fieldoffsets.frame2 = PRVM_ED_FindFieldOffset("frame2");
1387 prog->fieldoffsets.frame2time = PRVM_ED_FindFieldOffset("frame2time");
1388 prog->fieldoffsets.fullbright = PRVM_ED_FindFieldOffset("fullbright");
1389 prog->fieldoffsets.glow_color = PRVM_ED_FindFieldOffset("glow_color");
1390 prog->fieldoffsets.glow_size = PRVM_ED_FindFieldOffset("glow_size");
1391 prog->fieldoffsets.glow_trail = PRVM_ED_FindFieldOffset("glow_trail");
1392 prog->fieldoffsets.gravity = PRVM_ED_FindFieldOffset("gravity");
1393 prog->fieldoffsets.groundentity = PRVM_ED_FindFieldOffset("groundentity");
1394 prog->fieldoffsets.hull = PRVM_ED_FindFieldOffset("hull");
1395 prog->fieldoffsets.ideal_yaw = PRVM_ED_FindFieldOffset("ideal_yaw");
1396 prog->fieldoffsets.idealpitch = PRVM_ED_FindFieldOffset("idealpitch");
1397 prog->fieldoffsets.items2 = PRVM_ED_FindFieldOffset("items2");
1398 prog->fieldoffsets.lerpfrac = PRVM_ED_FindFieldOffset("lerpfrac");
1399 prog->fieldoffsets.light_lev = PRVM_ED_FindFieldOffset("light_lev");
1400 prog->fieldoffsets.message = PRVM_ED_FindFieldOffset("message");
1401 prog->fieldoffsets.modelflags = PRVM_ED_FindFieldOffset("modelflags");
1402 prog->fieldoffsets.movement = PRVM_ED_FindFieldOffset("movement");
1403 prog->fieldoffsets.netaddress = PRVM_ED_FindFieldOffset("netaddress");
1404 prog->fieldoffsets.nextthink = PRVM_ED_FindFieldOffset("nextthink");
1405 prog->fieldoffsets.nodrawtoclient = PRVM_ED_FindFieldOffset("nodrawtoclient");
1406 prog->fieldoffsets.pflags = PRVM_ED_FindFieldOffset("pflags");
1407 prog->fieldoffsets.ping = PRVM_ED_FindFieldOffset("ping");
1408 prog->fieldoffsets.pitch_speed = PRVM_ED_FindFieldOffset("pitch_speed");
1409 prog->fieldoffsets.playermodel = PRVM_ED_FindFieldOffset("playermodel");
1410 prog->fieldoffsets.playerskin = PRVM_ED_FindFieldOffset("playerskin");
1411 prog->fieldoffsets.pmodel = PRVM_ED_FindFieldOffset("pmodel");
1412 prog->fieldoffsets.punchvector = PRVM_ED_FindFieldOffset("punchvector");
1413 prog->fieldoffsets.renderamt = PRVM_ED_FindFieldOffset("renderamt"); // HalfLife support
1414 prog->fieldoffsets.renderflags = PRVM_ED_FindFieldOffset("renderflags");
1415 prog->fieldoffsets.rendermode = PRVM_ED_FindFieldOffset("rendermode"); // HalfLife support
1416 prog->fieldoffsets.scale = PRVM_ED_FindFieldOffset("scale");
1417 prog->fieldoffsets.style = PRVM_ED_FindFieldOffset("style");
1418 prog->fieldoffsets.tag_entity = PRVM_ED_FindFieldOffset("tag_entity");
1419 prog->fieldoffsets.tag_index = PRVM_ED_FindFieldOffset("tag_index");
1420 prog->fieldoffsets.think = PRVM_ED_FindFieldOffset("think");
1421 prog->fieldoffsets.viewmodelforclient = PRVM_ED_FindFieldOffset("viewmodelforclient");
1422 prog->fieldoffsets.viewzoom = PRVM_ED_FindFieldOffset("viewzoom");
1423 prog->fieldoffsets.yaw_speed = PRVM_ED_FindFieldOffset("yaw_speed");
1424 prog->funcoffsets.CSQC_ConsoleCommand = PRVM_ED_FindFunctionOffset("CSQC_ConsoleCommand");
1425 prog->funcoffsets.CSQC_Ent_Remove = PRVM_ED_FindFunctionOffset("CSQC_Ent_Remove");
1426 prog->funcoffsets.CSQC_Ent_Update = PRVM_ED_FindFunctionOffset("CSQC_Ent_Update");
1427 prog->funcoffsets.CSQC_Event = PRVM_ED_FindFunctionOffset("CSQC_Event");
1428 prog->funcoffsets.CSQC_Event_Sound = PRVM_ED_FindFunctionOffset("CSQC_Event_Sound");
1429 prog->funcoffsets.CSQC_Init = PRVM_ED_FindFunctionOffset("CSQC_Init");
1430 prog->funcoffsets.CSQC_InputEvent = PRVM_ED_FindFunctionOffset("CSQC_InputEvent");
1431 prog->funcoffsets.CSQC_Parse_CenterPrint = PRVM_ED_FindFunctionOffset("CSQC_Parse_CenterPrint");
1432 prog->funcoffsets.CSQC_Parse_Print = PRVM_ED_FindFunctionOffset("CSQC_Parse_Print");
1433 prog->funcoffsets.CSQC_Parse_StuffCmd = PRVM_ED_FindFunctionOffset("CSQC_Parse_StuffCmd");
1434 prog->funcoffsets.CSQC_Parse_TempEntity = PRVM_ED_FindFunctionOffset("CSQC_Parse_TempEntity");
1435 prog->funcoffsets.CSQC_Shutdown = PRVM_ED_FindFunctionOffset("CSQC_Shutdown");
1436 prog->funcoffsets.CSQC_UpdateView = PRVM_ED_FindFunctionOffset("CSQC_UpdateView");
1437 prog->funcoffsets.EndFrame = PRVM_ED_FindFunctionOffset("EndFrame");
1438 prog->funcoffsets.RestoreGame = PRVM_ED_FindFunctionOffset("RestoreGame");
1439 prog->funcoffsets.SV_ChangeTeam = PRVM_ED_FindFunctionOffset("SV_ChangeTeam");
1440 prog->funcoffsets.SV_ParseClientCommand = PRVM_ED_FindFunctionOffset("SV_ParseClientCommand");
1441 prog->funcoffsets.SV_PlayerPhysics = PRVM_ED_FindFunctionOffset("SV_PlayerPhysics");
1442 prog->funcoffsets.SV_OnEntityNoSpawnFunction = PRVM_ED_FindFunctionOffset("SV_OnEntityNoSpawnFunction");
1443 prog->funcoffsets.GameCommand = PRVM_ED_FindFunctionOffset("GameCommand");
1444 prog->globaloffsets.SV_InitCmd = PRVM_ED_FindGlobalOffset("SV_InitCmd");
1445 prog->globaloffsets.self = PRVM_ED_FindGlobalOffset("self");
1446 prog->globaloffsets.time = PRVM_ED_FindGlobalOffset("time");
1447 prog->globaloffsets.v_forward = PRVM_ED_FindGlobalOffset("v_forward");
1448 prog->globaloffsets.v_right = PRVM_ED_FindGlobalOffset("v_right");
1449 prog->globaloffsets.v_up = PRVM_ED_FindGlobalOffset("v_up");
1450 prog->globaloffsets.view_angles = PRVM_ED_FindGlobalOffset("view_angles");
1451 prog->globaloffsets.trace_allsolid = PRVM_ED_FindGlobalOffset("trace_allsolid");
1452 prog->globaloffsets.trace_startsolid = PRVM_ED_FindGlobalOffset("trace_startsolid");
1453 prog->globaloffsets.trace_fraction = PRVM_ED_FindGlobalOffset("trace_fraction");
1454 prog->globaloffsets.trace_inwater = PRVM_ED_FindGlobalOffset("trace_inwater");
1455 prog->globaloffsets.trace_inopen = PRVM_ED_FindGlobalOffset("trace_inopen");
1456 prog->globaloffsets.trace_endpos = PRVM_ED_FindGlobalOffset("trace_endpos");
1457 prog->globaloffsets.trace_plane_normal = PRVM_ED_FindGlobalOffset("trace_plane_normal");
1458 prog->globaloffsets.trace_plane_dist = PRVM_ED_FindGlobalOffset("trace_plane_dist");
1459 prog->globaloffsets.trace_ent = PRVM_ED_FindGlobalOffset("trace_ent");
1460 prog->globaloffsets.trace_dphitcontents = PRVM_ED_FindGlobalOffset("trace_dphitcontents");
1461 prog->globaloffsets.trace_dphitq3surfaceflags = PRVM_ED_FindGlobalOffset("trace_dphitq3surfaceflags");
1462 prog->globaloffsets.trace_dphittexturename = PRVM_ED_FindGlobalOffset("trace_dphittexturename");
1463 prog->globaloffsets.trace_dpstartcontents = PRVM_ED_FindGlobalOffset("trace_dpstartcontents");
1464 prog->globaloffsets.intermission = PRVM_ED_FindGlobalOffset("intermission");
1465 prog->globaloffsets.coop = PRVM_ED_FindGlobalOffset("coop");
1466 prog->globaloffsets.deathmatch = PRVM_ED_FindGlobalOffset("deathmatch");
1467 prog->globaloffsets.dmg_take = PRVM_ED_FindGlobalOffset("dmg_take");
1468 prog->globaloffsets.dmg_save = PRVM_ED_FindGlobalOffset("dmg_save");
1469 prog->globaloffsets.dmg_origin = PRVM_ED_FindGlobalOffset("dmg_origin");
1470 prog->globaloffsets.sb_showscores = PRVM_ED_FindGlobalOffset("sb_showscores");
1471 prog->globaloffsets.drawfont = PRVM_ED_FindGlobalOffset("drawfont");
1473 // menu qc only uses some functions, nothing else
1474 prog->funcoffsets.m_draw = PRVM_ED_FindFunctionOffset("m_draw");
1475 prog->funcoffsets.m_init = PRVM_ED_FindFunctionOffset("m_init");
1476 prog->funcoffsets.m_keydown = PRVM_ED_FindFunctionOffset("m_keydown");
1477 prog->funcoffsets.m_keyup = PRVM_ED_FindFunctionOffset("m_keyup");
1478 prog->funcoffsets.m_shutdown = PRVM_ED_FindFunctionOffset("m_shutdown");
1479 prog->funcoffsets.m_toggle = PRVM_ED_FindFunctionOffset("m_toggle");
1484 typedef struct dpfield_s
1491 #define DPFIELDS (sizeof(dpfields) / sizeof(dpfield_t))
1493 dpfield_t dpfields[] =
1504 void PRVM_ResetProg()
1506 PRVM_GCALL(reset_cmd)();
1507 Mem_FreePool(&prog->progs_mempool);
1508 memset(prog,0,sizeof(prvm_prog_t));
1509 prog->starttime = Sys_DoubleTime();
1517 void PRVM_LoadLNO( const char *progname ) {
1518 fs_offset_t filesize;
1520 unsigned int *header;
1523 FS_StripExtension( progname, filename, sizeof( filename ) );
1524 strlcat( filename, ".lno", sizeof( filename ) );
1526 lno = FS_LoadFile( filename, tempmempool, false, &filesize );
1532 <Spike> SafeWrite (h, &lnotype, sizeof(int));
1533 <Spike> SafeWrite (h, &version, sizeof(int));
1534 <Spike> SafeWrite (h, &numglobaldefs, sizeof(int));
1535 <Spike> SafeWrite (h, &numpr_globals, sizeof(int));
1536 <Spike> SafeWrite (h, &numfielddefs, sizeof(int));
1537 <Spike> SafeWrite (h, &numstatements, sizeof(int));
1538 <Spike> SafeWrite (h, statement_linenums, numstatements*sizeof(int));
1540 if( (unsigned) filesize < (6 + prog->progs->numstatements) * sizeof( int ) ) {
1545 header = (unsigned int *) lno;
1546 if( header[ 0 ] == *(unsigned int *) "LNOF" &&
1547 LittleLong( header[ 1 ] ) == 1 &&
1548 (unsigned int)LittleLong( header[ 2 ] ) == (unsigned int)prog->progs->numglobaldefs &&
1549 (unsigned int)LittleLong( header[ 3 ] ) == (unsigned int)prog->progs->numglobals &&
1550 (unsigned int)LittleLong( header[ 4 ] ) == (unsigned int)prog->progs->numfielddefs &&
1551 (unsigned int)LittleLong( header[ 5 ] ) == (unsigned int)prog->progs->numstatements )
1553 prog->statement_linenums = (int *)Mem_Alloc(prog->progs_mempool, prog->progs->numstatements * sizeof( int ) );
1554 memcpy( prog->statement_linenums, (int *) lno + 6, prog->progs->numstatements * sizeof( int ) );
1564 void PRVM_LoadProgs (const char * filename, int numrequiredfunc, char **required_func, int numrequiredfields, prvm_required_field_t *required_field, int numrequiredglobals, char **required_global)
1568 ddef_t *infielddefs;
1569 dfunction_t *dfunctions;
1570 fs_offset_t filesize;
1572 if( prog->loaded ) {
1573 PRVM_ERROR ("PRVM_LoadProgs: there is already a %s program loaded!", PRVM_NAME );
1576 prog->progs = (dprograms_t *)FS_LoadFile (filename, prog->progs_mempool, false, &filesize);
1577 if (prog->progs == NULL || filesize < (fs_offset_t)sizeof(dprograms_t))
1578 PRVM_ERROR ("PRVM_LoadProgs: couldn't load %s for %s", filename, PRVM_NAME);
1580 Con_DPrintf("%s programs occupy %iK.\n", PRVM_NAME, (int)(filesize/1024));
1582 prog->filecrc = CRC_Block((unsigned char *)prog->progs, filesize);
1584 // byte swap the header
1585 for (i = 0;i < (int) sizeof(*prog->progs) / 4;i++)
1586 ((int *)prog->progs)[i] = LittleLong ( ((int *)prog->progs)[i] );
1588 if (prog->progs->version != PROG_VERSION)
1589 PRVM_ERROR ("%s: %s has wrong version number (%i should be %i)", PRVM_NAME, filename, prog->progs->version, PROG_VERSION);
1590 if (prog->progs->crc != prog->headercrc)
1591 PRVM_ERROR ("%s: %s system vars have been modified, progdefs.h is out of date", PRVM_NAME, filename);
1593 //prog->functions = (dfunction_t *)((unsigned char *)progs + progs->ofs_functions);
1594 dfunctions = (dfunction_t *)((unsigned char *)prog->progs + prog->progs->ofs_functions);
1596 if (prog->progs->ofs_strings + prog->progs->numstrings >= (int)filesize)
1597 PRVM_ERROR ("%s: %s strings go past end of file", PRVM_NAME, filename);
1598 prog->strings = (char *)prog->progs + prog->progs->ofs_strings;
1599 prog->stringssize = prog->progs->numstrings;
1601 prog->numknownstrings = 0;
1602 prog->maxknownstrings = 0;
1603 prog->knownstrings = NULL;
1604 prog->knownstrings_freeable = NULL;
1606 prog->globaldefs = (ddef_t *)((unsigned char *)prog->progs + prog->progs->ofs_globaldefs);
1608 // we need to expand the fielddefs list to include all the engine fields,
1609 // so allocate a new place for it
1610 infielddefs = (ddef_t *)((unsigned char *)prog->progs + prog->progs->ofs_fielddefs);
1612 prog->fielddefs = (ddef_t *)Mem_Alloc(prog->progs_mempool, (prog->progs->numfielddefs + numrequiredfields) * sizeof(ddef_t));
1614 prog->statements = (dstatement_t *)((unsigned char *)prog->progs + prog->progs->ofs_statements);
1616 prog->statement_profile = (double *)Mem_Alloc(prog->progs_mempool, prog->progs->numstatements * sizeof(*prog->statement_profile));
1618 // moved edict_size calculation down below field adding code
1620 //pr_global_struct = (globalvars_t *)((unsigned char *)progs + progs->ofs_globals);
1621 prog->globals.generic = (float *)((unsigned char *)prog->progs + prog->progs->ofs_globals);
1623 // byte swap the lumps
1624 for (i=0 ; i<prog->progs->numstatements ; i++)
1626 prog->statements[i].op = LittleShort(prog->statements[i].op);
1627 prog->statements[i].a = LittleShort(prog->statements[i].a);
1628 prog->statements[i].b = LittleShort(prog->statements[i].b);
1629 prog->statements[i].c = LittleShort(prog->statements[i].c);
1632 prog->functions = (mfunction_t *)Mem_Alloc(prog->progs_mempool, sizeof(mfunction_t) * prog->progs->numfunctions);
1633 for (i = 0;i < prog->progs->numfunctions;i++)
1635 prog->functions[i].first_statement = LittleLong (dfunctions[i].first_statement);
1636 prog->functions[i].parm_start = LittleLong (dfunctions[i].parm_start);
1637 prog->functions[i].s_name = LittleLong (dfunctions[i].s_name);
1638 prog->functions[i].s_file = LittleLong (dfunctions[i].s_file);
1639 prog->functions[i].numparms = LittleLong (dfunctions[i].numparms);
1640 prog->functions[i].locals = LittleLong (dfunctions[i].locals);
1641 memcpy(prog->functions[i].parm_size, dfunctions[i].parm_size, sizeof(dfunctions[i].parm_size));
1644 for (i=0 ; i<prog->progs->numglobaldefs ; i++)
1646 prog->globaldefs[i].type = LittleShort (prog->globaldefs[i].type);
1647 prog->globaldefs[i].ofs = LittleShort (prog->globaldefs[i].ofs);
1648 prog->globaldefs[i].s_name = LittleLong (prog->globaldefs[i].s_name);
1651 // copy the progs fields to the new fields list
1652 for (i = 0;i < prog->progs->numfielddefs;i++)
1654 prog->fielddefs[i].type = LittleShort (infielddefs[i].type);
1655 if (prog->fielddefs[i].type & DEF_SAVEGLOBAL)
1656 PRVM_ERROR ("PRVM_LoadProgs: prog->fielddefs[i].type & DEF_SAVEGLOBAL in %s", PRVM_NAME);
1657 prog->fielddefs[i].ofs = LittleShort (infielddefs[i].ofs);
1658 prog->fielddefs[i].s_name = LittleLong (infielddefs[i].s_name);
1661 // append the required fields
1662 for (i = 0;i < (int) numrequiredfields;i++)
1664 prog->fielddefs[prog->progs->numfielddefs].type = required_field[i].type;
1665 prog->fielddefs[prog->progs->numfielddefs].ofs = prog->progs->entityfields;
1666 prog->fielddefs[prog->progs->numfielddefs].s_name = PRVM_SetEngineString(required_field[i].name);
1667 if (prog->fielddefs[prog->progs->numfielddefs].type == ev_vector)
1668 prog->progs->entityfields += 3;
1670 prog->progs->entityfields++;
1671 prog->progs->numfielddefs++;
1674 // check required functions
1675 for(i=0 ; i < numrequiredfunc ; i++)
1676 if(PRVM_ED_FindFunction(required_func[i]) == 0)
1677 PRVM_ERROR("%s: %s not found in %s",PRVM_NAME, required_func[i], filename);
1679 // check required globals
1680 for(i=0 ; i < numrequiredglobals ; i++)
1681 if(PRVM_ED_FindGlobal(required_global[i]) == 0)
1682 PRVM_ERROR("%s: %s not found in %s",PRVM_NAME, required_global[i], filename);
1684 for (i=0 ; i<prog->progs->numglobals ; i++)
1685 ((int *)prog->globals.generic)[i] = LittleLong (((int *)prog->globals.generic)[i]);
1687 // moved edict_size calculation down here, below field adding code
1688 // LordHavoc: this no longer includes the prvm_edict_t header
1689 prog->edict_size = prog->progs->entityfields * 4;
1690 prog->edictareasize = prog->edict_size * prog->limit_edicts;
1692 // LordHavoc: bounds check anything static
1693 for (i = 0,st = prog->statements;i < prog->progs->numstatements;i++,st++)
1699 if ((unsigned short) st->a >= prog->progs->numglobals || st->b + i < 0 || st->b + i >= prog->progs->numstatements)
1700 PRVM_ERROR("PRVM_LoadProgs: out of bounds IF/IFNOT (statement %d) in %s", i, PRVM_NAME);
1703 if (st->a + i < 0 || st->a + i >= prog->progs->numstatements)
1704 PRVM_ERROR("PRVM_LoadProgs: out of bounds GOTO (statement %d) in %s", i, PRVM_NAME);
1706 // global global global
1741 if ((unsigned short) st->a >= prog->progs->numglobals || (unsigned short) st->b >= prog->progs->numglobals || (unsigned short) st->c >= prog->progs->numglobals)
1742 PRVM_ERROR("PRVM_LoadProgs: out of bounds global index (statement %d)", i);
1744 // global none global
1750 if ((unsigned short) st->a >= prog->progs->numglobals || (unsigned short) st->c >= prog->progs->numglobals)
1751 PRVM_ERROR("PRVM_LoadProgs: out of bounds global index (statement %d) in %s", i, PRVM_NAME);
1767 if ((unsigned short) st->a >= prog->progs->numglobals || (unsigned short) st->b >= prog->progs->numglobals)
1768 PRVM_ERROR("PRVM_LoadProgs: out of bounds global index (statement %d) in %s", i, PRVM_NAME);
1782 if ((unsigned short) st->a >= prog->progs->numglobals)
1783 PRVM_ERROR("PRVM_LoadProgs: out of bounds global index (statement %d) in %s", i, PRVM_NAME);
1786 Con_DPrintf("PRVM_LoadProgs: unknown opcode %d at statement %d in %s\n", st->op, i, PRVM_NAME);
1791 PRVM_LoadLNO(filename);
1795 prog->loaded = TRUE;
1797 // set flags & ddef_ts in prog
1803 PRVM_GCALL(init_cmd)();
1810 void PRVM_Fields_f (void)
1812 int i, j, ednum, used, usedamount;
1814 char tempstring[MAX_INPUTLINE], tempstring2[260];
1824 Con_Print("no progs loaded\n");
1831 Con_Print("prvm_fields <program name>\n");
1836 if(!PRVM_SetProgFromString(Cmd_Argv(1)))
1839 counts = (int *)Mem_Alloc(tempmempool, prog->progs->numfielddefs * sizeof(int));
1840 for (ednum = 0;ednum < prog->max_edicts;ednum++)
1842 ed = PRVM_EDICT_NUM(ednum);
1843 if (ed->priv.required->free)
1845 for (i = 1;i < prog->progs->numfielddefs;i++)
1847 d = &prog->fielddefs[i];
1848 name = PRVM_GetString(d->s_name);
1849 if (name[strlen(name)-2] == '_')
1850 continue; // skip _x, _y, _z vars
1851 v = (int *)((char *)ed->fields.vp + d->ofs*4);
1852 // if the value is still all 0, skip the field
1853 for (j = 0;j < prvm_type_size[d->type & ~DEF_SAVEGLOBAL];j++)
1866 for (i = 0;i < prog->progs->numfielddefs;i++)
1868 d = &prog->fielddefs[i];
1869 name = PRVM_GetString(d->s_name);
1870 if (name[strlen(name)-2] == '_')
1871 continue; // skip _x, _y, _z vars
1872 switch(d->type & ~DEF_SAVEGLOBAL)
1875 strlcat(tempstring, "string ", sizeof(tempstring));
1878 strlcat(tempstring, "entity ", sizeof(tempstring));
1881 strlcat(tempstring, "function ", sizeof(tempstring));
1884 strlcat(tempstring, "field ", sizeof(tempstring));
1887 strlcat(tempstring, "void ", sizeof(tempstring));
1890 strlcat(tempstring, "float ", sizeof(tempstring));
1893 strlcat(tempstring, "vector ", sizeof(tempstring));
1896 strlcat(tempstring, "pointer ", sizeof(tempstring));
1899 sprintf (tempstring2, "bad type %i ", d->type & ~DEF_SAVEGLOBAL);
1900 strlcat(tempstring, tempstring2, sizeof(tempstring));
1903 if (strlen(name) > sizeof(tempstring2)-4)
1905 memcpy (tempstring2, name, sizeof(tempstring2)-4);
1906 tempstring2[sizeof(tempstring2)-4] = tempstring2[sizeof(tempstring2)-3] = tempstring2[sizeof(tempstring2)-2] = '.';
1907 tempstring2[sizeof(tempstring2)-1] = 0;
1910 strlcat(tempstring, name, sizeof(tempstring));
1911 for (j = (int)strlen(name);j < 25;j++)
1912 strlcat(tempstring, " ", sizeof(tempstring));
1913 sprintf(tempstring2, "%5d", counts[i]);
1914 strlcat(tempstring, tempstring2, sizeof(tempstring));
1915 strlcat(tempstring, "\n", sizeof(tempstring));
1916 if (strlen(tempstring) >= sizeof(tempstring)/2)
1918 Con_Print(tempstring);
1924 usedamount += prvm_type_size[d->type & ~DEF_SAVEGLOBAL];
1928 Con_Printf("%s: %i entity fields (%i in use), totalling %i bytes per edict (%i in use), %i edicts allocated, %i bytes total spent on edict fields (%i needed)\n", PRVM_NAME, prog->progs->entityfields, used, prog->progs->entityfields * 4, usedamount * 4, prog->max_edicts, prog->progs->entityfields * 4 * prog->max_edicts, usedamount * 4 * prog->max_edicts);
1933 void PRVM_Globals_f (void)
1936 const char *wildcard;
1942 Con_Print("no progs loaded\n");
1945 if(Cmd_Argc () < 2 || Cmd_Argc() > 3)
1947 Con_Print("prvm_globals <program name> <optional name wildcard>\n");
1952 if(!PRVM_SetProgFromString (Cmd_Argv (1)))
1955 if( Cmd_Argc() == 3)
1956 wildcard = Cmd_Argv(2);
1960 Con_Printf("%s :", PRVM_NAME);
1962 for (i = 0;i < prog->progs->numglobaldefs;i++)
1965 if( !matchpattern( PRVM_GetString(prog->globaldefs[i].s_name), wildcard, 1) )
1970 Con_Printf("%s\n", PRVM_GetString(prog->globaldefs[i].s_name));
1972 Con_Printf("%i global variables, %i culled, totalling %i bytes\n", prog->progs->numglobals, numculled, prog->progs->numglobals * 4);
1982 void PRVM_Global_f(void)
1985 if( Cmd_Argc() != 3 ) {
1986 Con_Printf( "prvm_global <program name> <global name>\n" );
1991 if( !PRVM_SetProgFromString( Cmd_Argv(1) ) )
1994 global = PRVM_ED_FindGlobal( Cmd_Argv(2) );
1996 Con_Printf( "No global '%s' in %s!\n", Cmd_Argv(2), Cmd_Argv(1) );
1998 Con_Printf( "%s: %s\n", Cmd_Argv(2), PRVM_ValueString( (etype_t)global->type, (prvm_eval_t *) &prog->globals.generic[ global->ofs ] ) );
2007 void PRVM_GlobalSet_f(void)
2010 if( Cmd_Argc() != 4 ) {
2011 Con_Printf( "prvm_globalset <program name> <global name> <value>\n" );
2016 if( !PRVM_SetProgFromString( Cmd_Argv(1) ) )
2019 global = PRVM_ED_FindGlobal( Cmd_Argv(2) );
2021 Con_Printf( "No global '%s' in %s!\n", Cmd_Argv(2), Cmd_Argv(1) );
2023 PRVM_ED_ParseEpair( NULL, global, Cmd_Argv(3) );
2032 void PRVM_Init (void)
2034 Cmd_AddCommand ("prvm_edict", PRVM_ED_PrintEdict_f, "print all data about an entity number in the selected VM (server, client, menu)");
2035 Cmd_AddCommand ("prvm_edicts", PRVM_ED_PrintEdicts_f, "prints all data about all entities in the selected VM (server, client, menu)");
2036 Cmd_AddCommand ("prvm_edictcount", PRVM_ED_Count_f, "prints number of active entities in the selected VM (server, client, menu)");
2037 Cmd_AddCommand ("prvm_profile", PRVM_Profile_f, "prints execution statistics about the most used QuakeC functions in the selected VM (server, client, menu)");
2038 Cmd_AddCommand ("prvm_callprofile", PRVM_CallProfile_f, "prints execution statistics about the most time consuming QuakeC calls from the engine in the selected VM (server, client, menu)");
2039 Cmd_AddCommand ("prvm_fields", PRVM_Fields_f, "prints usage statistics on properties (how many entities have non-zero values) in the selected VM (server, client, menu)");
2040 Cmd_AddCommand ("prvm_globals", PRVM_Globals_f, "prints all global variables in the selected VM (server, client, menu)");
2041 Cmd_AddCommand ("prvm_global", PRVM_Global_f, "prints value of a specified global variable in the selected VM (server, client, menu)");
2042 Cmd_AddCommand ("prvm_globalset", PRVM_GlobalSet_f, "sets value of a specified global variable in the selected VM (server, client, menu)");
2043 Cmd_AddCommand ("prvm_edictset", PRVM_ED_EdictSet_f, "changes value of a specified property of a specified entity in the selected VM (server, client, menu)");
2044 Cmd_AddCommand ("prvm_printfunction", PRVM_PrintFunction_f, "prints a disassembly (QuakeC instructions) of the specified function in the selected VM (server, client, menu)");
2045 Cmd_AddCommand ("cl_cmd", PRVM_GameCommand_Client_f, "calls the client QC function GameCommand with the supplied string as argument");
2046 Cmd_AddCommand ("menu_cmd", PRVM_GameCommand_Menu_f, "calls the menu QC function GameCommand with the supplied string as argument");
2047 Cmd_AddCommand ("sv_cmd", PRVM_GameCommand_Server_f, "calls the server QC function GameCommand with the supplied string as argument");
2048 // LordHavoc: optional runtime bounds checking (speed drain, but worth it for security, on by default - breaks most QCCX features (used by CRMod and others))
2049 #ifdef PRVM_BOUNDSCHECK_CVAR
2050 Cvar_RegisterVariable (&prvm_boundscheck);
2052 Cvar_RegisterVariable (&prvm_traceqc);
2053 Cvar_RegisterVariable (&prvm_statementprofiling);
2054 Cvar_RegisterVariable (&prvm_backtraceforwarnings);
2064 void PRVM_InitProg(int prognr)
2066 if(prognr < 0 || prognr >= PRVM_MAXPROGS)
2067 Sys_Error("PRVM_InitProg: Invalid program number %i",prognr);
2069 prog = &prog_list[prognr];
2074 memset(prog, 0, sizeof(prvm_prog_t));
2075 prog->starttime = Sys_DoubleTime();
2077 prog->error_cmd = Host_Error;
2080 int PRVM_GetProgNr()
2082 return prog - prog_list;
2085 void *_PRVM_Alloc(size_t buffersize, const char *filename, int fileline)
2087 return _Mem_Alloc(prog->progs_mempool, buffersize, filename, fileline);
2090 void _PRVM_Free(void *buffer, const char *filename, int fileline)
2092 _Mem_Free(buffer, filename, fileline);
2095 void _PRVM_FreeAll(const char *filename, int fileline)
2098 prog->fielddefs = NULL;
2099 prog->functions = NULL;
2100 _Mem_EmptyPool(prog->progs_mempool, filename, fileline);
2103 // LordHavoc: turned PRVM_EDICT_NUM into a #define for speed reasons
2104 prvm_edict_t *PRVM_EDICT_NUM_ERROR(int n, char *filename, int fileline)
2106 PRVM_ERROR ("PRVM_EDICT_NUM: %s: bad number %i (called at %s:%i)", PRVM_NAME, n, filename, fileline);
2111 int NUM_FOR_EDICT_ERROR(prvm_edict_t *e)
2113 PRVM_ERROR ("PRVM_NUM_FOR_EDICT: bad pointer %p (world is %p, entity number would be %i)", e, prog->edicts, e - prog->edicts);
2117 int PRVM_NUM_FOR_EDICT(prvm_edict_t *e)
2120 n = e - prog->edicts;
2121 if ((unsigned int)n >= prog->limit_edicts)
2122 Host_Error ("PRVM_NUM_FOR_EDICT: bad pointer");
2126 //int NoCrash_NUM_FOR_EDICT(prvm_edict_t *e)
2128 // return e - prog->edicts;
2131 //#define PRVM_EDICT_TO_PROG(e) ((unsigned char *)(((prvm_edict_t *)e)->v) - (unsigned char *)(prog->edictsfields))
2132 //#define PRVM_PROG_TO_EDICT(e) (prog->edicts + ((e) / (progs->entityfields * 4)))
2133 int PRVM_EDICT_TO_PROG(prvm_edict_t *e)
2136 n = e - prog->edicts;
2137 if ((unsigned int)n >= (unsigned int)prog->max_edicts)
2138 Host_Error("PRVM_EDICT_TO_PROG: invalid edict %8p (number %i compared to world at %8p)", e, n, prog->edicts);
2139 return n;// EXPERIMENTAL
2140 //return (unsigned char *)e->v - (unsigned char *)prog->edictsfields;
2142 prvm_edict_t *PRVM_PROG_TO_EDICT(int n)
2144 if ((unsigned int)n >= (unsigned int)prog->max_edicts)
2145 Host_Error("PRVM_PROG_TO_EDICT: invalid edict number %i", n);
2146 return prog->edicts + n; // EXPERIMENTAL
2147 //return prog->edicts + ((n) / (progs->entityfields * 4));
2152 sizebuf_t vm_tempstringsbuf;
2154 const char *PRVM_GetString(int num)
2158 if (num < prog->stringssize)
2159 return prog->strings + num;
2162 if (num <= prog->stringssize + vm_tempstringsbuf.maxsize)
2164 num -= prog->stringssize;
2165 if (num < vm_tempstringsbuf.cursize)
2166 return (char *)vm_tempstringsbuf.data + num;
2169 VM_Warning("PRVM_GetString: Invalid temp-string offset (%i >= %i vm_tempstringsbuf.cursize)\n", num, vm_tempstringsbuf.cursize);
2176 VM_Warning("PRVM_GetString: Invalid constant-string offset (%i >= %i prog->stringssize)\n", num, prog->stringssize);
2186 // special range reserved for tempstrings
2188 if (num < vm_tempstringsbuf.cursize)
2189 return (char *)vm_tempstringsbuf.data + num;
2192 VM_Warning("PRVM_GetString: Invalid temp-string offset (%i >= %i vm_tempstringsbuf.cursize)\n", num, vm_tempstringsbuf.cursize);
2198 if (num < prog->numknownstrings)
2200 if (!prog->knownstrings[num])
2201 VM_Warning("PRVM_GetString: Invalid zone-string offset (%i has been freed)\n", num);
2202 return prog->knownstrings[num];
2206 VM_Warning("PRVM_GetString: Invalid zone-string offset (%i >= %i)\n", num, prog->numknownstrings);
2212 int PRVM_SetEngineString(const char *s)
2217 if (s >= prog->strings && s <= prog->strings + prog->stringssize)
2218 PRVM_ERROR("PRVM_SetEngineString: s in prog->strings area");
2219 // if it's in the tempstrings area, use a reserved range
2220 // (otherwise we'd get millions of useless string offsets cluttering the database)
2221 if (s >= (char *)vm_tempstringsbuf.data && s < (char *)vm_tempstringsbuf.data + vm_tempstringsbuf.maxsize)
2223 return prog->stringssize + (s - (char *)vm_tempstringsbuf.data);
2225 return -1 - ((1<<30) + (s - (char *)vm_tempstringsbuf.data));
2227 // see if it's a known string address
2228 for (i = 0;i < prog->numknownstrings;i++)
2229 if (prog->knownstrings[i] == s)
2231 // new unknown engine string
2232 if (developer.integer >= 200)
2233 Con_Printf("new engine string %p = \"%s\"\n", s, s);
2234 for (i = prog->firstfreeknownstring;i < prog->numknownstrings;i++)
2235 if (!prog->knownstrings[i])
2237 if (i >= prog->numknownstrings)
2239 if (i >= prog->maxknownstrings)
2241 const char **oldstrings = prog->knownstrings;
2242 const unsigned char *oldstrings_freeable = prog->knownstrings_freeable;
2243 prog->maxknownstrings += 128;
2244 prog->knownstrings = (const char **)PRVM_Alloc(prog->maxknownstrings * sizeof(char *));
2245 prog->knownstrings_freeable = (unsigned char *)PRVM_Alloc(prog->maxknownstrings * sizeof(unsigned char));
2246 if (prog->numknownstrings)
2248 memcpy((char **)prog->knownstrings, oldstrings, prog->numknownstrings * sizeof(char *));
2249 memcpy((char **)prog->knownstrings_freeable, oldstrings_freeable, prog->numknownstrings * sizeof(unsigned char));
2252 prog->numknownstrings++;
2254 prog->firstfreeknownstring = i + 1;
2255 prog->knownstrings[i] = s;
2259 // temp string handling
2261 // all tempstrings go into this buffer consecutively, and it is reset
2262 // whenever PRVM_ExecuteProgram returns to the engine
2263 // (technically each PRVM_ExecuteProgram call saves the cursize value and
2264 // restores it on return, so multiple recursive calls can share the same
2266 // the buffer size is automatically grown as needed
2268 int PRVM_SetTempString(const char *s)
2274 size = (int)strlen(s) + 1;
2275 if (developer.integer >= 300)
2276 Con_Printf("PRVM_SetTempString: cursize %i, size %i\n", vm_tempstringsbuf.cursize, size);
2277 if (vm_tempstringsbuf.maxsize < vm_tempstringsbuf.cursize + size)
2279 sizebuf_t old = vm_tempstringsbuf;
2280 if (vm_tempstringsbuf.cursize + size >= 1<<28)
2281 PRVM_ERROR("PRVM_SetTempString: ran out of tempstring memory! (refusing to grow tempstring buffer over 256MB, cursize %i, size %i)\n", vm_tempstringsbuf.cursize, size);
2282 vm_tempstringsbuf.maxsize = max(vm_tempstringsbuf.maxsize, 65536);
2283 while (vm_tempstringsbuf.maxsize < vm_tempstringsbuf.cursize + size)
2284 vm_tempstringsbuf.maxsize *= 2;
2285 if (vm_tempstringsbuf.maxsize != old.maxsize || vm_tempstringsbuf.data == NULL)
2287 if (developer.integer >= 100)
2288 Con_Printf("PRVM_SetTempString: enlarging tempstrings buffer (%iKB -> %iKB)\n", old.maxsize/1024, vm_tempstringsbuf.maxsize/1024);
2289 vm_tempstringsbuf.data = Mem_Alloc(sv_mempool, vm_tempstringsbuf.maxsize);
2291 memcpy(vm_tempstringsbuf.data, old.data, old.cursize);
2296 t = (char *)vm_tempstringsbuf.data + vm_tempstringsbuf.cursize;
2298 vm_tempstringsbuf.cursize += size;
2299 return PRVM_SetEngineString(t);
2302 int PRVM_AllocString(size_t bufferlength, char **pointer)
2307 for (i = prog->firstfreeknownstring;i < prog->numknownstrings;i++)
2308 if (!prog->knownstrings[i])
2310 if (i >= prog->numknownstrings)
2312 if (i >= prog->maxknownstrings)
2314 const char **oldstrings = prog->knownstrings;
2315 const unsigned char *oldstrings_freeable = prog->knownstrings_freeable;
2316 prog->maxknownstrings += 128;
2317 prog->knownstrings = (const char **)PRVM_Alloc(prog->maxknownstrings * sizeof(char *));
2318 prog->knownstrings_freeable = (unsigned char *)PRVM_Alloc(prog->maxknownstrings * sizeof(unsigned char));
2319 if (prog->numknownstrings)
2321 memcpy((char **)prog->knownstrings, oldstrings, prog->numknownstrings * sizeof(char *));
2322 memcpy((char **)prog->knownstrings_freeable, oldstrings_freeable, prog->numknownstrings * sizeof(unsigned char));
2325 prog->numknownstrings++;
2327 prog->firstfreeknownstring = i + 1;
2328 prog->knownstrings[i] = (char *)PRVM_Alloc(bufferlength);
2329 prog->knownstrings_freeable[i] = true;
2331 *pointer = (char *)(prog->knownstrings[i]);
2335 void PRVM_FreeString(int num)
2338 PRVM_ERROR("PRVM_FreeString: attempt to free a NULL string");
2339 else if (num >= 0 && num < prog->stringssize)
2340 PRVM_ERROR("PRVM_FreeString: attempt to free a constant string");
2341 else if (num < 0 && num >= -prog->numknownstrings)
2344 if (!prog->knownstrings[num])
2345 PRVM_ERROR("PRVM_FreeString: attempt to free a non-existent or already freed string");
2346 if (!prog->knownstrings[num])
2347 PRVM_ERROR("PRVM_FreeString: attempt to free a string owned by the engine");
2348 PRVM_Free((char *)prog->knownstrings[num]);
2349 prog->knownstrings[num] = NULL;
2350 prog->knownstrings_freeable[num] = false;
2351 prog->firstfreeknownstring = min(prog->firstfreeknownstring, num);
2354 PRVM_ERROR("PRVM_FreeString: invalid string offset %i", num);