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->fieldoffsets.clientcamera = PRVM_ED_FindFieldOffset("clientcamera");
1425 prog->funcoffsets.CSQC_ConsoleCommand = PRVM_ED_FindFunctionOffset("CSQC_ConsoleCommand");
1426 prog->funcoffsets.CSQC_Ent_Remove = PRVM_ED_FindFunctionOffset("CSQC_Ent_Remove");
1427 prog->funcoffsets.CSQC_Ent_Update = PRVM_ED_FindFunctionOffset("CSQC_Ent_Update");
1428 prog->funcoffsets.CSQC_Ent_Spawn = PRVM_ED_FindFunctionOffset("CSQC_Ent_Spawn");
1429 prog->funcoffsets.CSQC_Event = PRVM_ED_FindFunctionOffset("CSQC_Event");
1430 prog->funcoffsets.CSQC_Event_Sound = PRVM_ED_FindFunctionOffset("CSQC_Event_Sound");
1431 prog->funcoffsets.CSQC_Init = PRVM_ED_FindFunctionOffset("CSQC_Init");
1432 prog->funcoffsets.CSQC_InputEvent = PRVM_ED_FindFunctionOffset("CSQC_InputEvent");
1433 prog->funcoffsets.CSQC_Parse_CenterPrint = PRVM_ED_FindFunctionOffset("CSQC_Parse_CenterPrint");
1434 prog->funcoffsets.CSQC_Parse_Print = PRVM_ED_FindFunctionOffset("CSQC_Parse_Print");
1435 prog->funcoffsets.CSQC_Parse_StuffCmd = PRVM_ED_FindFunctionOffset("CSQC_Parse_StuffCmd");
1436 prog->funcoffsets.CSQC_Parse_TempEntity = PRVM_ED_FindFunctionOffset("CSQC_Parse_TempEntity");
1437 prog->funcoffsets.CSQC_Shutdown = PRVM_ED_FindFunctionOffset("CSQC_Shutdown");
1438 prog->funcoffsets.CSQC_UpdateView = PRVM_ED_FindFunctionOffset("CSQC_UpdateView");
1439 prog->funcoffsets.Gecko_Query = PRVM_ED_FindFunctionOffset("Gecko_Query");
1440 prog->funcoffsets.EndFrame = PRVM_ED_FindFunctionOffset("EndFrame");
1441 prog->funcoffsets.RestoreGame = PRVM_ED_FindFunctionOffset("RestoreGame");
1442 prog->funcoffsets.SV_ChangeTeam = PRVM_ED_FindFunctionOffset("SV_ChangeTeam");
1443 prog->funcoffsets.SV_ParseClientCommand = PRVM_ED_FindFunctionOffset("SV_ParseClientCommand");
1444 prog->funcoffsets.SV_PlayerPhysics = PRVM_ED_FindFunctionOffset("SV_PlayerPhysics");
1445 prog->funcoffsets.SV_OnEntityNoSpawnFunction = PRVM_ED_FindFunctionOffset("SV_OnEntityNoSpawnFunction");
1446 prog->funcoffsets.GameCommand = PRVM_ED_FindFunctionOffset("GameCommand");
1447 prog->funcoffsets.SV_Shutdown = PRVM_ED_FindFunctionOffset("SV_Shutdown");
1448 prog->globaloffsets.SV_InitCmd = PRVM_ED_FindGlobalOffset("SV_InitCmd");
1449 prog->globaloffsets.self = PRVM_ED_FindGlobalOffset("self");
1450 prog->globaloffsets.time = PRVM_ED_FindGlobalOffset("time");
1451 prog->globaloffsets.v_forward = PRVM_ED_FindGlobalOffset("v_forward");
1452 prog->globaloffsets.v_right = PRVM_ED_FindGlobalOffset("v_right");
1453 prog->globaloffsets.v_up = PRVM_ED_FindGlobalOffset("v_up");
1454 prog->globaloffsets.view_angles = PRVM_ED_FindGlobalOffset("view_angles");
1455 prog->globaloffsets.trace_allsolid = PRVM_ED_FindGlobalOffset("trace_allsolid");
1456 prog->globaloffsets.trace_startsolid = PRVM_ED_FindGlobalOffset("trace_startsolid");
1457 prog->globaloffsets.trace_fraction = PRVM_ED_FindGlobalOffset("trace_fraction");
1458 prog->globaloffsets.trace_inwater = PRVM_ED_FindGlobalOffset("trace_inwater");
1459 prog->globaloffsets.trace_inopen = PRVM_ED_FindGlobalOffset("trace_inopen");
1460 prog->globaloffsets.trace_endpos = PRVM_ED_FindGlobalOffset("trace_endpos");
1461 prog->globaloffsets.trace_plane_normal = PRVM_ED_FindGlobalOffset("trace_plane_normal");
1462 prog->globaloffsets.trace_plane_dist = PRVM_ED_FindGlobalOffset("trace_plane_dist");
1463 prog->globaloffsets.trace_ent = PRVM_ED_FindGlobalOffset("trace_ent");
1464 prog->globaloffsets.trace_dphitcontents = PRVM_ED_FindGlobalOffset("trace_dphitcontents");
1465 prog->globaloffsets.trace_dphitq3surfaceflags = PRVM_ED_FindGlobalOffset("trace_dphitq3surfaceflags");
1466 prog->globaloffsets.trace_dphittexturename = PRVM_ED_FindGlobalOffset("trace_dphittexturename");
1467 prog->globaloffsets.trace_dpstartcontents = PRVM_ED_FindGlobalOffset("trace_dpstartcontents");
1468 prog->globaloffsets.intermission = PRVM_ED_FindGlobalOffset("intermission");
1469 prog->globaloffsets.coop = PRVM_ED_FindGlobalOffset("coop");
1470 prog->globaloffsets.deathmatch = PRVM_ED_FindGlobalOffset("deathmatch");
1471 prog->globaloffsets.dmg_take = PRVM_ED_FindGlobalOffset("dmg_take");
1472 prog->globaloffsets.dmg_save = PRVM_ED_FindGlobalOffset("dmg_save");
1473 prog->globaloffsets.dmg_origin = PRVM_ED_FindGlobalOffset("dmg_origin");
1474 prog->globaloffsets.sb_showscores = PRVM_ED_FindGlobalOffset("sb_showscores");
1475 prog->globaloffsets.drawfont = PRVM_ED_FindGlobalOffset("drawfont");
1477 // menu qc only uses some functions, nothing else
1478 prog->funcoffsets.m_draw = PRVM_ED_FindFunctionOffset("m_draw");
1479 prog->funcoffsets.m_init = PRVM_ED_FindFunctionOffset("m_init");
1480 prog->funcoffsets.m_keydown = PRVM_ED_FindFunctionOffset("m_keydown");
1481 prog->funcoffsets.m_keyup = PRVM_ED_FindFunctionOffset("m_keyup");
1482 prog->funcoffsets.m_shutdown = PRVM_ED_FindFunctionOffset("m_shutdown");
1483 prog->funcoffsets.m_toggle = PRVM_ED_FindFunctionOffset("m_toggle");
1488 typedef struct dpfield_s
1495 #define DPFIELDS (sizeof(dpfields) / sizeof(dpfield_t))
1497 dpfield_t dpfields[] =
1508 void PRVM_ResetProg()
1510 PRVM_GCALL(reset_cmd)();
1511 Mem_FreePool(&prog->progs_mempool);
1512 memset(prog,0,sizeof(prvm_prog_t));
1513 prog->starttime = Sys_DoubleTime();
1521 void PRVM_LoadLNO( const char *progname ) {
1522 fs_offset_t filesize;
1524 unsigned int *header;
1527 FS_StripExtension( progname, filename, sizeof( filename ) );
1528 strlcat( filename, ".lno", sizeof( filename ) );
1530 lno = FS_LoadFile( filename, tempmempool, false, &filesize );
1536 <Spike> SafeWrite (h, &lnotype, sizeof(int));
1537 <Spike> SafeWrite (h, &version, sizeof(int));
1538 <Spike> SafeWrite (h, &numglobaldefs, sizeof(int));
1539 <Spike> SafeWrite (h, &numpr_globals, sizeof(int));
1540 <Spike> SafeWrite (h, &numfielddefs, sizeof(int));
1541 <Spike> SafeWrite (h, &numstatements, sizeof(int));
1542 <Spike> SafeWrite (h, statement_linenums, numstatements*sizeof(int));
1544 if( (unsigned) filesize < (6 + prog->progs->numstatements) * sizeof( int ) ) {
1549 header = (unsigned int *) lno;
1550 if( header[ 0 ] == *(unsigned int *) "LNOF" &&
1551 LittleLong( header[ 1 ] ) == 1 &&
1552 (unsigned int)LittleLong( header[ 2 ] ) == (unsigned int)prog->progs->numglobaldefs &&
1553 (unsigned int)LittleLong( header[ 3 ] ) == (unsigned int)prog->progs->numglobals &&
1554 (unsigned int)LittleLong( header[ 4 ] ) == (unsigned int)prog->progs->numfielddefs &&
1555 (unsigned int)LittleLong( header[ 5 ] ) == (unsigned int)prog->progs->numstatements )
1557 prog->statement_linenums = (int *)Mem_Alloc(prog->progs_mempool, prog->progs->numstatements * sizeof( int ) );
1558 memcpy( prog->statement_linenums, (int *) lno + 6, prog->progs->numstatements * sizeof( int ) );
1568 void PRVM_LoadProgs (const char * filename, int numrequiredfunc, char **required_func, int numrequiredfields, prvm_required_field_t *required_field, int numrequiredglobals, char **required_global)
1572 ddef_t *infielddefs;
1573 dfunction_t *dfunctions;
1574 fs_offset_t filesize;
1576 if( prog->loaded ) {
1577 PRVM_ERROR ("PRVM_LoadProgs: there is already a %s program loaded!", PRVM_NAME );
1580 prog->progs = (dprograms_t *)FS_LoadFile (filename, prog->progs_mempool, false, &filesize);
1581 if (prog->progs == NULL || filesize < (fs_offset_t)sizeof(dprograms_t))
1582 PRVM_ERROR ("PRVM_LoadProgs: couldn't load %s for %s", filename, PRVM_NAME);
1584 Con_DPrintf("%s programs occupy %iK.\n", PRVM_NAME, (int)(filesize/1024));
1586 prog->filecrc = CRC_Block((unsigned char *)prog->progs, filesize);
1588 // byte swap the header
1589 for (i = 0;i < (int) sizeof(*prog->progs) / 4;i++)
1590 ((int *)prog->progs)[i] = LittleLong ( ((int *)prog->progs)[i] );
1592 if (prog->progs->version != PROG_VERSION)
1593 PRVM_ERROR ("%s: %s has wrong version number (%i should be %i)", PRVM_NAME, filename, prog->progs->version, PROG_VERSION);
1594 if (prog->progs->crc != prog->headercrc && prog->progs->crc != prog->headercrc2)
1595 PRVM_ERROR ("%s: %s system vars have been modified (CRC of progs.dat systemvars %i != engine %i), progdefs.h is out of date", PRVM_NAME, filename, prog->progs->crc, prog->headercrc);
1597 //prog->functions = (dfunction_t *)((unsigned char *)progs + progs->ofs_functions);
1598 dfunctions = (dfunction_t *)((unsigned char *)prog->progs + prog->progs->ofs_functions);
1600 if (prog->progs->ofs_strings + prog->progs->numstrings >= (int)filesize)
1601 PRVM_ERROR ("%s: %s strings go past end of file", PRVM_NAME, filename);
1602 prog->strings = (char *)prog->progs + prog->progs->ofs_strings;
1603 prog->stringssize = prog->progs->numstrings;
1605 prog->numknownstrings = 0;
1606 prog->maxknownstrings = 0;
1607 prog->knownstrings = NULL;
1608 prog->knownstrings_freeable = NULL;
1610 Mem_ExpandableArray_NewArray(&prog->stringbuffersarray, prog->progs_mempool, sizeof(prvm_stringbuffer_t), 64);
1612 prog->globaldefs = (ddef_t *)((unsigned char *)prog->progs + prog->progs->ofs_globaldefs);
1614 // we need to expand the fielddefs list to include all the engine fields,
1615 // so allocate a new place for it
1616 infielddefs = (ddef_t *)((unsigned char *)prog->progs + prog->progs->ofs_fielddefs);
1618 prog->fielddefs = (ddef_t *)Mem_Alloc(prog->progs_mempool, (prog->progs->numfielddefs + numrequiredfields) * sizeof(ddef_t));
1620 prog->statements = (dstatement_t *)((unsigned char *)prog->progs + prog->progs->ofs_statements);
1622 prog->statement_profile = (double *)Mem_Alloc(prog->progs_mempool, prog->progs->numstatements * sizeof(*prog->statement_profile));
1624 // moved edict_size calculation down below field adding code
1626 //pr_global_struct = (globalvars_t *)((unsigned char *)progs + progs->ofs_globals);
1627 prog->globals.generic = (float *)((unsigned char *)prog->progs + prog->progs->ofs_globals);
1629 // byte swap the lumps
1630 for (i=0 ; i<prog->progs->numstatements ; i++)
1632 prog->statements[i].op = LittleShort(prog->statements[i].op);
1633 prog->statements[i].a = LittleShort(prog->statements[i].a);
1634 prog->statements[i].b = LittleShort(prog->statements[i].b);
1635 prog->statements[i].c = LittleShort(prog->statements[i].c);
1638 prog->functions = (mfunction_t *)Mem_Alloc(prog->progs_mempool, sizeof(mfunction_t) * prog->progs->numfunctions);
1639 for (i = 0;i < prog->progs->numfunctions;i++)
1641 prog->functions[i].first_statement = LittleLong (dfunctions[i].first_statement);
1642 prog->functions[i].parm_start = LittleLong (dfunctions[i].parm_start);
1643 prog->functions[i].s_name = LittleLong (dfunctions[i].s_name);
1644 prog->functions[i].s_file = LittleLong (dfunctions[i].s_file);
1645 prog->functions[i].numparms = LittleLong (dfunctions[i].numparms);
1646 prog->functions[i].locals = LittleLong (dfunctions[i].locals);
1647 memcpy(prog->functions[i].parm_size, dfunctions[i].parm_size, sizeof(dfunctions[i].parm_size));
1650 for (i=0 ; i<prog->progs->numglobaldefs ; i++)
1652 prog->globaldefs[i].type = LittleShort (prog->globaldefs[i].type);
1653 prog->globaldefs[i].ofs = LittleShort (prog->globaldefs[i].ofs);
1654 prog->globaldefs[i].s_name = LittleLong (prog->globaldefs[i].s_name);
1657 // copy the progs fields to the new fields list
1658 for (i = 0;i < prog->progs->numfielddefs;i++)
1660 prog->fielddefs[i].type = LittleShort (infielddefs[i].type);
1661 if (prog->fielddefs[i].type & DEF_SAVEGLOBAL)
1662 PRVM_ERROR ("PRVM_LoadProgs: prog->fielddefs[i].type & DEF_SAVEGLOBAL in %s", PRVM_NAME);
1663 prog->fielddefs[i].ofs = LittleShort (infielddefs[i].ofs);
1664 prog->fielddefs[i].s_name = LittleLong (infielddefs[i].s_name);
1667 // append the required fields
1668 for (i = 0;i < (int) numrequiredfields;i++)
1670 prog->fielddefs[prog->progs->numfielddefs].type = required_field[i].type;
1671 prog->fielddefs[prog->progs->numfielddefs].ofs = prog->progs->entityfields;
1672 prog->fielddefs[prog->progs->numfielddefs].s_name = PRVM_SetEngineString(required_field[i].name);
1673 if (prog->fielddefs[prog->progs->numfielddefs].type == ev_vector)
1674 prog->progs->entityfields += 3;
1676 prog->progs->entityfields++;
1677 prog->progs->numfielddefs++;
1680 // check required functions
1681 for(i=0 ; i < numrequiredfunc ; i++)
1682 if(PRVM_ED_FindFunction(required_func[i]) == 0)
1683 PRVM_ERROR("%s: %s not found in %s",PRVM_NAME, required_func[i], filename);
1685 // check required globals
1686 for(i=0 ; i < numrequiredglobals ; i++)
1687 if(PRVM_ED_FindGlobal(required_global[i]) == 0)
1688 PRVM_ERROR("%s: %s not found in %s",PRVM_NAME, required_global[i], filename);
1690 for (i=0 ; i<prog->progs->numglobals ; i++)
1691 ((int *)prog->globals.generic)[i] = LittleLong (((int *)prog->globals.generic)[i]);
1693 // moved edict_size calculation down here, below field adding code
1694 // LordHavoc: this no longer includes the prvm_edict_t header
1695 prog->edict_size = prog->progs->entityfields * 4;
1696 prog->edictareasize = prog->edict_size * prog->limit_edicts;
1698 // LordHavoc: bounds check anything static
1699 for (i = 0,st = prog->statements;i < prog->progs->numstatements;i++,st++)
1705 if ((unsigned short) st->a >= prog->progs->numglobals || st->b + i < 0 || st->b + i >= prog->progs->numstatements)
1706 PRVM_ERROR("PRVM_LoadProgs: out of bounds IF/IFNOT (statement %d) in %s", i, PRVM_NAME);
1709 if (st->a + i < 0 || st->a + i >= prog->progs->numstatements)
1710 PRVM_ERROR("PRVM_LoadProgs: out of bounds GOTO (statement %d) in %s", i, PRVM_NAME);
1712 // global global global
1747 if ((unsigned short) st->a >= prog->progs->numglobals || (unsigned short) st->b >= prog->progs->numglobals || (unsigned short) st->c >= prog->progs->numglobals)
1748 PRVM_ERROR("PRVM_LoadProgs: out of bounds global index (statement %d)", i);
1750 // global none global
1756 if ((unsigned short) st->a >= prog->progs->numglobals || (unsigned short) st->c >= prog->progs->numglobals)
1757 PRVM_ERROR("PRVM_LoadProgs: out of bounds global index (statement %d) in %s", i, PRVM_NAME);
1773 if ((unsigned short) st->a >= prog->progs->numglobals || (unsigned short) st->b >= prog->progs->numglobals)
1774 PRVM_ERROR("PRVM_LoadProgs: out of bounds global index (statement %d) in %s", i, PRVM_NAME);
1788 if ((unsigned short) st->a >= prog->progs->numglobals)
1789 PRVM_ERROR("PRVM_LoadProgs: out of bounds global index (statement %d) in %s", i, PRVM_NAME);
1792 Con_DPrintf("PRVM_LoadProgs: unknown opcode %d at statement %d in %s\n", st->op, i, PRVM_NAME);
1797 PRVM_LoadLNO(filename);
1801 prog->loaded = TRUE;
1803 // set flags & ddef_ts in prog
1809 PRVM_GCALL(init_cmd)();
1816 void PRVM_Fields_f (void)
1818 int i, j, ednum, used, usedamount;
1820 char tempstring[MAX_INPUTLINE], tempstring2[260];
1830 Con_Print("no progs loaded\n");
1837 Con_Print("prvm_fields <program name>\n");
1842 if(!PRVM_SetProgFromString(Cmd_Argv(1)))
1845 counts = (int *)Mem_Alloc(tempmempool, prog->progs->numfielddefs * sizeof(int));
1846 for (ednum = 0;ednum < prog->max_edicts;ednum++)
1848 ed = PRVM_EDICT_NUM(ednum);
1849 if (ed->priv.required->free)
1851 for (i = 1;i < prog->progs->numfielddefs;i++)
1853 d = &prog->fielddefs[i];
1854 name = PRVM_GetString(d->s_name);
1855 if (name[strlen(name)-2] == '_')
1856 continue; // skip _x, _y, _z vars
1857 v = (int *)((char *)ed->fields.vp + d->ofs*4);
1858 // if the value is still all 0, skip the field
1859 for (j = 0;j < prvm_type_size[d->type & ~DEF_SAVEGLOBAL];j++)
1872 for (i = 0;i < prog->progs->numfielddefs;i++)
1874 d = &prog->fielddefs[i];
1875 name = PRVM_GetString(d->s_name);
1876 if (name[strlen(name)-2] == '_')
1877 continue; // skip _x, _y, _z vars
1878 switch(d->type & ~DEF_SAVEGLOBAL)
1881 strlcat(tempstring, "string ", sizeof(tempstring));
1884 strlcat(tempstring, "entity ", sizeof(tempstring));
1887 strlcat(tempstring, "function ", sizeof(tempstring));
1890 strlcat(tempstring, "field ", sizeof(tempstring));
1893 strlcat(tempstring, "void ", sizeof(tempstring));
1896 strlcat(tempstring, "float ", sizeof(tempstring));
1899 strlcat(tempstring, "vector ", sizeof(tempstring));
1902 strlcat(tempstring, "pointer ", sizeof(tempstring));
1905 sprintf (tempstring2, "bad type %i ", d->type & ~DEF_SAVEGLOBAL);
1906 strlcat(tempstring, tempstring2, sizeof(tempstring));
1909 if (strlen(name) > sizeof(tempstring2)-4)
1911 memcpy (tempstring2, name, sizeof(tempstring2)-4);
1912 tempstring2[sizeof(tempstring2)-4] = tempstring2[sizeof(tempstring2)-3] = tempstring2[sizeof(tempstring2)-2] = '.';
1913 tempstring2[sizeof(tempstring2)-1] = 0;
1916 strlcat(tempstring, name, sizeof(tempstring));
1917 for (j = (int)strlen(name);j < 25;j++)
1918 strlcat(tempstring, " ", sizeof(tempstring));
1919 sprintf(tempstring2, "%5d", counts[i]);
1920 strlcat(tempstring, tempstring2, sizeof(tempstring));
1921 strlcat(tempstring, "\n", sizeof(tempstring));
1922 if (strlen(tempstring) >= sizeof(tempstring)/2)
1924 Con_Print(tempstring);
1930 usedamount += prvm_type_size[d->type & ~DEF_SAVEGLOBAL];
1934 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);
1939 void PRVM_Globals_f (void)
1942 const char *wildcard;
1948 Con_Print("no progs loaded\n");
1951 if(Cmd_Argc () < 2 || Cmd_Argc() > 3)
1953 Con_Print("prvm_globals <program name> <optional name wildcard>\n");
1958 if(!PRVM_SetProgFromString (Cmd_Argv (1)))
1961 if( Cmd_Argc() == 3)
1962 wildcard = Cmd_Argv(2);
1966 Con_Printf("%s :", PRVM_NAME);
1968 for (i = 0;i < prog->progs->numglobaldefs;i++)
1971 if( !matchpattern( PRVM_GetString(prog->globaldefs[i].s_name), wildcard, 1) )
1976 Con_Printf("%s\n", PRVM_GetString(prog->globaldefs[i].s_name));
1978 Con_Printf("%i global variables, %i culled, totalling %i bytes\n", prog->progs->numglobals, numculled, prog->progs->numglobals * 4);
1988 void PRVM_Global_f(void)
1991 if( Cmd_Argc() != 3 ) {
1992 Con_Printf( "prvm_global <program name> <global name>\n" );
1997 if( !PRVM_SetProgFromString( Cmd_Argv(1) ) )
2000 global = PRVM_ED_FindGlobal( Cmd_Argv(2) );
2002 Con_Printf( "No global '%s' in %s!\n", Cmd_Argv(2), Cmd_Argv(1) );
2004 Con_Printf( "%s: %s\n", Cmd_Argv(2), PRVM_ValueString( (etype_t)global->type, (prvm_eval_t *) &prog->globals.generic[ global->ofs ] ) );
2013 void PRVM_GlobalSet_f(void)
2016 if( Cmd_Argc() != 4 ) {
2017 Con_Printf( "prvm_globalset <program name> <global name> <value>\n" );
2022 if( !PRVM_SetProgFromString( Cmd_Argv(1) ) )
2025 global = PRVM_ED_FindGlobal( Cmd_Argv(2) );
2027 Con_Printf( "No global '%s' in %s!\n", Cmd_Argv(2), Cmd_Argv(1) );
2029 PRVM_ED_ParseEpair( NULL, global, Cmd_Argv(3) );
2038 void PRVM_Init (void)
2040 Cmd_AddCommand ("prvm_edict", PRVM_ED_PrintEdict_f, "print all data about an entity number in the selected VM (server, client, menu)");
2041 Cmd_AddCommand ("prvm_edicts", PRVM_ED_PrintEdicts_f, "prints all data about all entities in the selected VM (server, client, menu)");
2042 Cmd_AddCommand ("prvm_edictcount", PRVM_ED_Count_f, "prints number of active entities in the selected VM (server, client, menu)");
2043 Cmd_AddCommand ("prvm_profile", PRVM_Profile_f, "prints execution statistics about the most used QuakeC functions in the selected VM (server, client, menu)");
2044 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)");
2045 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)");
2046 Cmd_AddCommand ("prvm_globals", PRVM_Globals_f, "prints all global variables in the selected VM (server, client, menu)");
2047 Cmd_AddCommand ("prvm_global", PRVM_Global_f, "prints value of a specified global variable in the selected VM (server, client, menu)");
2048 Cmd_AddCommand ("prvm_globalset", PRVM_GlobalSet_f, "sets value of a specified global variable in the selected VM (server, client, menu)");
2049 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)");
2050 Cmd_AddCommand ("prvm_printfunction", PRVM_PrintFunction_f, "prints a disassembly (QuakeC instructions) of the specified function in the selected VM (server, client, menu)");
2051 Cmd_AddCommand ("cl_cmd", PRVM_GameCommand_Client_f, "calls the client QC function GameCommand with the supplied string as argument");
2052 Cmd_AddCommand ("menu_cmd", PRVM_GameCommand_Menu_f, "calls the menu QC function GameCommand with the supplied string as argument");
2053 Cmd_AddCommand ("sv_cmd", PRVM_GameCommand_Server_f, "calls the server QC function GameCommand with the supplied string as argument");
2054 // LordHavoc: optional runtime bounds checking (speed drain, but worth it for security, on by default - breaks most QCCX features (used by CRMod and others))
2055 #ifdef PRVM_BOUNDSCHECK_CVAR
2056 Cvar_RegisterVariable (&prvm_boundscheck);
2058 Cvar_RegisterVariable (&prvm_traceqc);
2059 Cvar_RegisterVariable (&prvm_statementprofiling);
2060 Cvar_RegisterVariable (&prvm_backtraceforwarnings);
2070 void PRVM_InitProg(int prognr)
2072 if(prognr < 0 || prognr >= PRVM_MAXPROGS)
2073 Sys_Error("PRVM_InitProg: Invalid program number %i",prognr);
2075 prog = &prog_list[prognr];
2080 memset(prog, 0, sizeof(prvm_prog_t));
2081 prog->starttime = Sys_DoubleTime();
2083 prog->error_cmd = Host_Error;
2086 int PRVM_GetProgNr()
2088 return prog - prog_list;
2091 void *_PRVM_Alloc(size_t buffersize, const char *filename, int fileline)
2093 return _Mem_Alloc(prog->progs_mempool, buffersize, filename, fileline);
2096 void _PRVM_Free(void *buffer, const char *filename, int fileline)
2098 _Mem_Free(buffer, filename, fileline);
2101 void _PRVM_FreeAll(const char *filename, int fileline)
2104 prog->fielddefs = NULL;
2105 prog->functions = NULL;
2106 _Mem_EmptyPool(prog->progs_mempool, filename, fileline);
2109 // LordHavoc: turned PRVM_EDICT_NUM into a #define for speed reasons
2110 unsigned int PRVM_EDICT_NUM_ERROR(unsigned int n, char *filename, int fileline)
2112 PRVM_ERROR ("PRVM_EDICT_NUM: %s: bad number %i (called at %s:%i)", PRVM_NAME, n, filename, fileline);
2117 int NUM_FOR_EDICT_ERROR(prvm_edict_t *e)
2119 PRVM_ERROR ("PRVM_NUM_FOR_EDICT: bad pointer %p (world is %p, entity number would be %i)", e, prog->edicts, e - prog->edicts);
2123 int PRVM_NUM_FOR_EDICT(prvm_edict_t *e)
2126 n = e - prog->edicts;
2127 if ((unsigned int)n >= prog->limit_edicts)
2128 Host_Error ("PRVM_NUM_FOR_EDICT: bad pointer");
2132 //int NoCrash_NUM_FOR_EDICT(prvm_edict_t *e)
2134 // return e - prog->edicts;
2137 //#define PRVM_EDICT_TO_PROG(e) ((unsigned char *)(((prvm_edict_t *)e)->v) - (unsigned char *)(prog->edictsfields))
2138 //#define PRVM_PROG_TO_EDICT(e) (prog->edicts + ((e) / (progs->entityfields * 4)))
2139 int PRVM_EDICT_TO_PROG(prvm_edict_t *e)
2142 n = e - prog->edicts;
2143 if ((unsigned int)n >= (unsigned int)prog->max_edicts)
2144 Host_Error("PRVM_EDICT_TO_PROG: invalid edict %8p (number %i compared to world at %8p)", e, n, prog->edicts);
2145 return n;// EXPERIMENTAL
2146 //return (unsigned char *)e->v - (unsigned char *)prog->edictsfields;
2148 prvm_edict_t *PRVM_PROG_TO_EDICT(int n)
2150 if ((unsigned int)n >= (unsigned int)prog->max_edicts)
2151 Host_Error("PRVM_PROG_TO_EDICT: invalid edict number %i", n);
2152 return prog->edicts + n; // EXPERIMENTAL
2153 //return prog->edicts + ((n) / (progs->entityfields * 4));
2158 sizebuf_t vm_tempstringsbuf;
2160 const char *PRVM_GetString(int num)
2164 if (num < prog->stringssize)
2165 return prog->strings + num;
2168 if (num <= prog->stringssize + vm_tempstringsbuf.maxsize)
2170 num -= prog->stringssize;
2171 if (num < vm_tempstringsbuf.cursize)
2172 return (char *)vm_tempstringsbuf.data + num;
2175 VM_Warning("PRVM_GetString: Invalid temp-string offset (%i >= %i vm_tempstringsbuf.cursize)\n", num, vm_tempstringsbuf.cursize);
2182 VM_Warning("PRVM_GetString: Invalid constant-string offset (%i >= %i prog->stringssize)\n", num, prog->stringssize);
2192 // special range reserved for tempstrings
2194 if (num < vm_tempstringsbuf.cursize)
2195 return (char *)vm_tempstringsbuf.data + num;
2198 VM_Warning("PRVM_GetString: Invalid temp-string offset (%i >= %i vm_tempstringsbuf.cursize)\n", num, vm_tempstringsbuf.cursize);
2204 if (num < prog->numknownstrings)
2206 if (!prog->knownstrings[num])
2207 VM_Warning("PRVM_GetString: Invalid zone-string offset (%i has been freed)\n", num);
2208 return prog->knownstrings[num];
2212 VM_Warning("PRVM_GetString: Invalid zone-string offset (%i >= %i)\n", num, prog->numknownstrings);
2218 int PRVM_SetEngineString(const char *s)
2223 if (s >= prog->strings && s <= prog->strings + prog->stringssize)
2224 PRVM_ERROR("PRVM_SetEngineString: s in prog->strings area");
2225 // if it's in the tempstrings area, use a reserved range
2226 // (otherwise we'd get millions of useless string offsets cluttering the database)
2227 if (s >= (char *)vm_tempstringsbuf.data && s < (char *)vm_tempstringsbuf.data + vm_tempstringsbuf.maxsize)
2229 return prog->stringssize + (s - (char *)vm_tempstringsbuf.data);
2231 return -1 - ((1<<30) + (s - (char *)vm_tempstringsbuf.data));
2233 // see if it's a known string address
2234 for (i = 0;i < prog->numknownstrings;i++)
2235 if (prog->knownstrings[i] == s)
2237 // new unknown engine string
2238 if (developer.integer >= 200)
2239 Con_Printf("new engine string %p = \"%s\"\n", s, s);
2240 for (i = prog->firstfreeknownstring;i < prog->numknownstrings;i++)
2241 if (!prog->knownstrings[i])
2243 if (i >= prog->numknownstrings)
2245 if (i >= prog->maxknownstrings)
2247 const char **oldstrings = prog->knownstrings;
2248 const unsigned char *oldstrings_freeable = prog->knownstrings_freeable;
2249 prog->maxknownstrings += 128;
2250 prog->knownstrings = (const char **)PRVM_Alloc(prog->maxknownstrings * sizeof(char *));
2251 prog->knownstrings_freeable = (unsigned char *)PRVM_Alloc(prog->maxknownstrings * sizeof(unsigned char));
2252 if (prog->numknownstrings)
2254 memcpy((char **)prog->knownstrings, oldstrings, prog->numknownstrings * sizeof(char *));
2255 memcpy((char **)prog->knownstrings_freeable, oldstrings_freeable, prog->numknownstrings * sizeof(unsigned char));
2258 prog->numknownstrings++;
2260 prog->firstfreeknownstring = i + 1;
2261 prog->knownstrings[i] = s;
2265 // temp string handling
2267 // all tempstrings go into this buffer consecutively, and it is reset
2268 // whenever PRVM_ExecuteProgram returns to the engine
2269 // (technically each PRVM_ExecuteProgram call saves the cursize value and
2270 // restores it on return, so multiple recursive calls can share the same
2272 // the buffer size is automatically grown as needed
2274 int PRVM_SetTempString(const char *s)
2280 size = (int)strlen(s) + 1;
2281 if (developer.integer >= 300)
2282 Con_Printf("PRVM_SetTempString: cursize %i, size %i\n", vm_tempstringsbuf.cursize, size);
2283 if (vm_tempstringsbuf.maxsize < vm_tempstringsbuf.cursize + size)
2285 sizebuf_t old = vm_tempstringsbuf;
2286 if (vm_tempstringsbuf.cursize + size >= 1<<28)
2287 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);
2288 vm_tempstringsbuf.maxsize = max(vm_tempstringsbuf.maxsize, 65536);
2289 while (vm_tempstringsbuf.maxsize < vm_tempstringsbuf.cursize + size)
2290 vm_tempstringsbuf.maxsize *= 2;
2291 if (vm_tempstringsbuf.maxsize != old.maxsize || vm_tempstringsbuf.data == NULL)
2293 if (developer.integer >= 100)
2294 Con_Printf("PRVM_SetTempString: enlarging tempstrings buffer (%iKB -> %iKB)\n", old.maxsize/1024, vm_tempstringsbuf.maxsize/1024);
2295 vm_tempstringsbuf.data = Mem_Alloc(sv_mempool, vm_tempstringsbuf.maxsize);
2297 memcpy(vm_tempstringsbuf.data, old.data, old.cursize);
2302 t = (char *)vm_tempstringsbuf.data + vm_tempstringsbuf.cursize;
2304 vm_tempstringsbuf.cursize += size;
2305 return PRVM_SetEngineString(t);
2308 int PRVM_AllocString(size_t bufferlength, char **pointer)
2313 for (i = prog->firstfreeknownstring;i < prog->numknownstrings;i++)
2314 if (!prog->knownstrings[i])
2316 if (i >= prog->numknownstrings)
2318 if (i >= prog->maxknownstrings)
2320 const char **oldstrings = prog->knownstrings;
2321 const unsigned char *oldstrings_freeable = prog->knownstrings_freeable;
2322 prog->maxknownstrings += 128;
2323 prog->knownstrings = (const char **)PRVM_Alloc(prog->maxknownstrings * sizeof(char *));
2324 prog->knownstrings_freeable = (unsigned char *)PRVM_Alloc(prog->maxknownstrings * sizeof(unsigned char));
2325 if (prog->numknownstrings)
2327 memcpy((char **)prog->knownstrings, oldstrings, prog->numknownstrings * sizeof(char *));
2328 memcpy((char **)prog->knownstrings_freeable, oldstrings_freeable, prog->numknownstrings * sizeof(unsigned char));
2331 prog->numknownstrings++;
2333 prog->firstfreeknownstring = i + 1;
2334 prog->knownstrings[i] = (char *)PRVM_Alloc(bufferlength);
2335 prog->knownstrings_freeable[i] = true;
2337 *pointer = (char *)(prog->knownstrings[i]);
2341 void PRVM_FreeString(int num)
2344 PRVM_ERROR("PRVM_FreeString: attempt to free a NULL string");
2345 else if (num >= 0 && num < prog->stringssize)
2346 PRVM_ERROR("PRVM_FreeString: attempt to free a constant string");
2347 else if (num < 0 && num >= -prog->numknownstrings)
2350 if (!prog->knownstrings[num])
2351 PRVM_ERROR("PRVM_FreeString: attempt to free a non-existent or already freed string");
2352 if (!prog->knownstrings[num])
2353 PRVM_ERROR("PRVM_FreeString: attempt to free a string owned by the engine");
2354 PRVM_Free((char *)prog->knownstrings[num]);
2355 prog->knownstrings[num] = NULL;
2356 prog->knownstrings_freeable[num] = false;
2357 prog->firstfreeknownstring = min(prog->firstfreeknownstring, num);
2360 PRVM_ERROR("PRVM_FreeString: invalid string offset %i", num);