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));
987 Con_DPrintf("PRVM_ED_ParseEpair: Bogus field name %s in %s\n", s, PRVM_NAME);
990 def = PRVM_ED_FindField(s + 1);
993 Con_DPrintf("PRVM_ED_ParseEpair: Can't find field %s in %s\n", s, PRVM_NAME);
996 val->_int = def->ofs;
1000 func = PRVM_ED_FindFunction(s);
1003 Con_Printf("PRVM_ED_ParseEpair: Can't find function %s in %s\n", s, PRVM_NAME);
1006 val->function = func - prog->functions;
1010 Con_Printf("PRVM_ED_ParseEpair: Unknown key->type %i for key \"%s\" on %s\n", key->type, PRVM_GetString(key->s_name), PRVM_NAME);
1020 Console command to send a string to QC function GameCommand of the
1024 sv_cmd adminmsg 3 "do not teamkill"
1025 cl_cmd someclientcommand
1026 menu_cmd somemenucommand
1028 All progs can support this extension; sg calls it in server QC, cg in client
1032 void PRVM_GameCommand(const char *whichprogs, const char *whichcmd)
1036 Con_Printf("%s text...\n", whichcmd);
1041 if(!PRVM_SetProgFromString(whichprogs))
1042 // note: this is not PRVM_SetProg because that one aborts "hard" using PRVM_Error
1043 // also, it makes printing error messages easier!
1045 Con_Printf("%s program not loaded.\n", whichprogs);
1049 if(!prog->funcoffsets.GameCommand)
1051 Con_Printf("%s program do not support GameCommand!\n", whichprogs);
1055 int restorevm_tempstringsbuf_cursize;
1060 restorevm_tempstringsbuf_cursize = vm_tempstringsbuf.cursize;
1061 PRVM_G_INT(OFS_PARM0) = PRVM_SetTempString(s ? s : "");
1062 PRVM_ExecuteProgram (prog->funcoffsets.GameCommand, "QC function GameCommand is missing");
1063 vm_tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
1068 void PRVM_GameCommand_Server_f(void)
1070 PRVM_GameCommand("server", "sv_cmd");
1072 void PRVM_GameCommand_Client_f(void)
1074 PRVM_GameCommand("client", "cl_cmd");
1076 void PRVM_GameCommand_Menu_f(void)
1078 PRVM_GameCommand("menu", "menu_cmd");
1085 Console command to set a field of a specified edict
1088 void PRVM_ED_EdictSet_f(void)
1095 Con_Print("prvm_edictset <program name> <edict number> <field> <value>\n");
1100 if(!PRVM_SetProgFromString(Cmd_Argv(1)))
1102 Con_Printf("Wrong program name %s !\n", Cmd_Argv(1));
1106 ed = PRVM_EDICT_NUM(atoi(Cmd_Argv(2)));
1108 if((key = PRVM_ED_FindField(Cmd_Argv(3))) == 0)
1109 Con_Printf("Key %s not found !\n", Cmd_Argv(3));
1111 PRVM_ED_ParseEpair(ed, key, Cmd_Argv(4));
1117 ====================
1120 Parses an edict out of the given string, returning the new position
1121 ed should be a properly initialized empty edict.
1122 Used for initial level load and for savegames.
1123 ====================
1125 extern cvar_t developer_entityparsing;
1126 const char *PRVM_ED_ParseEdict (const char *data, prvm_edict_t *ent)
1136 // go through all the dictionary pairs
1140 if (!COM_ParseToken_Simple(&data, false, false))
1141 PRVM_ERROR ("PRVM_ED_ParseEdict: EOF without closing brace");
1142 if (developer_entityparsing.integer)
1143 Con_Printf("Key: \"%s\"", com_token);
1144 if (com_token[0] == '}')
1147 // anglehack is to allow QuakeEd to write single scalar angles
1148 // and allow them to be turned into vectors. (FIXME...)
1149 if (!strcmp(com_token, "angle"))
1151 strlcpy (com_token, "angles", sizeof(com_token));
1157 // FIXME: change light to _light to get rid of this hack
1158 if (!strcmp(com_token, "light"))
1159 strlcpy (com_token, "light_lev", sizeof(com_token)); // hack for single light def
1161 strlcpy (keyname, com_token, sizeof(keyname));
1163 // another hack to fix keynames with trailing spaces
1164 n = strlen(keyname);
1165 while (n && keyname[n-1] == ' ')
1172 if (!COM_ParseToken_Simple(&data, false, true))
1173 PRVM_ERROR ("PRVM_ED_ParseEdict: EOF without closing brace");
1174 if (developer_entityparsing.integer)
1175 Con_Printf(" \"%s\"\n", com_token);
1177 if (com_token[0] == '}')
1178 PRVM_ERROR ("PRVM_ED_ParseEdict: closing brace without data");
1182 // ignore attempts to set key "" (this problem occurs in nehahra neh1m8.bsp)
1186 // keynames with a leading underscore are used for utility comments,
1187 // and are immediately discarded by quake
1188 if (keyname[0] == '_')
1191 key = PRVM_ED_FindField (keyname);
1194 Con_DPrintf("%s: '%s' is not a field\n", PRVM_NAME, keyname);
1201 strlcpy (temp, com_token, sizeof(temp));
1202 sprintf (com_token, "0 %s 0", temp);
1205 if (!PRVM_ED_ParseEpair(ent, key, com_token))
1206 PRVM_ERROR ("PRVM_ED_ParseEdict: parse error");
1210 ent->priv.required->free = true;
1218 PRVM_ED_LoadFromFile
1220 The entities are directly placed in the array, rather than allocated with
1221 PRVM_ED_Alloc, because otherwise an error loading the map would have entity
1222 number references out of order.
1224 Creates a server's entity / program execution context by
1225 parsing textual entity definitions out of an ent file.
1227 Used for both fresh maps and savegame loads. A fresh map would also need
1228 to call PRVM_ED_CallSpawnFunctions () to let the objects initialize themselves.
1231 void PRVM_ED_LoadFromFile (const char *data)
1234 int parsed, inhibited, spawned, died;
1235 const char *funcname;
1247 // parse the opening brace
1248 if (!COM_ParseToken_Simple(&data, false, false))
1250 if (com_token[0] != '{')
1251 PRVM_ERROR ("PRVM_ED_LoadFromFile: %s: found %s when expecting {", PRVM_NAME, com_token);
1253 // CHANGED: this is not conform to PR_LoadFromFile
1254 if(prog->loadintoworld)
1256 prog->loadintoworld = false;
1257 ent = PRVM_EDICT_NUM(0);
1260 ent = PRVM_ED_Alloc();
1263 if (ent != prog->edicts) // hack
1264 memset (ent->fields.vp, 0, prog->progs->entityfields * 4);
1266 data = PRVM_ED_ParseEdict (data, ent);
1269 // remove the entity ?
1270 if(prog->load_edict && !prog->load_edict(ent))
1278 // immediately call spawn function, but only if there is a self global and a classname
1280 if(prog->globaloffsets.self >= 0 && prog->fieldoffsets.classname >= 0)
1282 string_t handle = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.classname)->string;
1285 Con_Print("No classname for:\n");
1286 PRVM_ED_Print(ent, NULL);
1291 // look for the spawn function
1292 funcname = PRVM_GetString(handle);
1293 func = PRVM_ED_FindFunction (va("spawnfunc_%s", funcname));
1295 func = PRVM_ED_FindFunction (funcname);
1299 // check for OnEntityNoSpawnFunction
1300 if (prog->funcoffsets.SV_OnEntityNoSpawnFunction)
1303 PRVM_GLOBALFIELDVALUE(prog->globaloffsets.self)->edict = PRVM_EDICT_TO_PROG(ent);
1304 PRVM_ExecuteProgram (prog->funcoffsets.SV_OnEntityNoSpawnFunction, "QC function SV_OnEntityNoSpawnFunction is missing");
1308 if (developer.integer) // don't confuse non-developers with errors
1310 Con_Print("No spawn function for:\n");
1311 PRVM_ED_Print(ent, NULL);
1320 PRVM_GLOBALFIELDVALUE(prog->globaloffsets.self)->edict = PRVM_EDICT_TO_PROG(ent);
1321 PRVM_ExecuteProgram (func - prog->functions, "");
1326 if (ent->priv.required->free)
1330 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);
1333 void PRVM_FindOffsets(void)
1335 // field and global searches use -1 for NULL
1336 memset(&prog->fieldoffsets, -1, sizeof(prog->fieldoffsets));
1337 memset(&prog->globaloffsets, -1, sizeof(prog->globaloffsets));
1338 // functions use 0 for NULL
1339 memset(&prog->funcoffsets, 0, sizeof(prog->funcoffsets));
1341 // server and client qc use a lot of similar fields, so this is combined
1342 prog->fieldoffsets.SendEntity = PRVM_ED_FindFieldOffset("SendEntity");
1343 prog->fieldoffsets.Version = PRVM_ED_FindFieldOffset("Version");
1344 prog->fieldoffsets.alpha = PRVM_ED_FindFieldOffset("alpha");
1345 prog->fieldoffsets.ammo_cells1 = PRVM_ED_FindFieldOffset("ammo_cells1");
1346 prog->fieldoffsets.ammo_lava_nails = PRVM_ED_FindFieldOffset("ammo_lava_nails");
1347 prog->fieldoffsets.ammo_multi_rockets = PRVM_ED_FindFieldOffset("ammo_multi_rockets");
1348 prog->fieldoffsets.ammo_nails1 = PRVM_ED_FindFieldOffset("ammo_nails1");
1349 prog->fieldoffsets.ammo_plasma = PRVM_ED_FindFieldOffset("ammo_plasma");
1350 prog->fieldoffsets.ammo_rockets1 = PRVM_ED_FindFieldOffset("ammo_rockets1");
1351 prog->fieldoffsets.ammo_shells1 = PRVM_ED_FindFieldOffset("ammo_shells1");
1352 prog->fieldoffsets.angles = PRVM_ED_FindFieldOffset("angles");
1353 prog->fieldoffsets.button3 = PRVM_ED_FindFieldOffset("button3");
1354 prog->fieldoffsets.button4 = PRVM_ED_FindFieldOffset("button4");
1355 prog->fieldoffsets.button5 = PRVM_ED_FindFieldOffset("button5");
1356 prog->fieldoffsets.button6 = PRVM_ED_FindFieldOffset("button6");
1357 prog->fieldoffsets.button7 = PRVM_ED_FindFieldOffset("button7");
1358 prog->fieldoffsets.button8 = PRVM_ED_FindFieldOffset("button8");
1359 prog->fieldoffsets.button9 = PRVM_ED_FindFieldOffset("button9");
1360 prog->fieldoffsets.button10 = PRVM_ED_FindFieldOffset("button10");
1361 prog->fieldoffsets.button11 = PRVM_ED_FindFieldOffset("button11");
1362 prog->fieldoffsets.button12 = PRVM_ED_FindFieldOffset("button12");
1363 prog->fieldoffsets.button13 = PRVM_ED_FindFieldOffset("button13");
1364 prog->fieldoffsets.button14 = PRVM_ED_FindFieldOffset("button14");
1365 prog->fieldoffsets.button15 = PRVM_ED_FindFieldOffset("button15");
1366 prog->fieldoffsets.button16 = PRVM_ED_FindFieldOffset("button16");
1367 prog->fieldoffsets.buttonchat = PRVM_ED_FindFieldOffset("buttonchat");
1368 prog->fieldoffsets.buttonuse = PRVM_ED_FindFieldOffset("buttonuse");
1369 prog->fieldoffsets.chain = PRVM_ED_FindFieldOffset("chain");
1370 prog->fieldoffsets.classname = PRVM_ED_FindFieldOffset("classname");
1371 prog->fieldoffsets.clientcolors = PRVM_ED_FindFieldOffset("clientcolors");
1372 prog->fieldoffsets.color = PRVM_ED_FindFieldOffset("color");
1373 prog->fieldoffsets.colormod = PRVM_ED_FindFieldOffset("colormod");
1374 prog->fieldoffsets.contentstransition = PRVM_ED_FindFieldOffset("contentstransition");
1375 prog->fieldoffsets.cursor_active = PRVM_ED_FindFieldOffset("cursor_active");
1376 prog->fieldoffsets.cursor_screen = PRVM_ED_FindFieldOffset("cursor_screen");
1377 prog->fieldoffsets.cursor_trace_endpos = PRVM_ED_FindFieldOffset("cursor_trace_endpos");
1378 prog->fieldoffsets.cursor_trace_ent = PRVM_ED_FindFieldOffset("cursor_trace_ent");
1379 prog->fieldoffsets.cursor_trace_start = PRVM_ED_FindFieldOffset("cursor_trace_start");
1380 prog->fieldoffsets.customizeentityforclient = PRVM_ED_FindFieldOffset("customizeentityforclient");
1381 prog->fieldoffsets.dimension_hit = PRVM_ED_FindFieldOffset("dimension_hit");
1382 prog->fieldoffsets.dimension_solid = PRVM_ED_FindFieldOffset("dimension_solid");
1383 prog->fieldoffsets.disableclientprediction = PRVM_ED_FindFieldOffset("disableclientprediction");
1384 prog->fieldoffsets.dphitcontentsmask = PRVM_ED_FindFieldOffset("dphitcontentsmask");
1385 prog->fieldoffsets.drawonlytoclient = PRVM_ED_FindFieldOffset("drawonlytoclient");
1386 prog->fieldoffsets.exteriormodeltoclient = PRVM_ED_FindFieldOffset("exteriormodeltoclient");
1387 prog->fieldoffsets.fatness = PRVM_ED_FindFieldOffset("fatness");
1388 prog->fieldoffsets.forceshader = PRVM_ED_FindFieldOffset("forceshader");
1389 prog->fieldoffsets.frame = PRVM_ED_FindFieldOffset("frame");
1390 prog->fieldoffsets.frame1time = PRVM_ED_FindFieldOffset("frame1time");
1391 prog->fieldoffsets.frame2 = PRVM_ED_FindFieldOffset("frame2");
1392 prog->fieldoffsets.frame2time = PRVM_ED_FindFieldOffset("frame2time");
1393 prog->fieldoffsets.fullbright = PRVM_ED_FindFieldOffset("fullbright");
1394 prog->fieldoffsets.glow_color = PRVM_ED_FindFieldOffset("glow_color");
1395 prog->fieldoffsets.glow_size = PRVM_ED_FindFieldOffset("glow_size");
1396 prog->fieldoffsets.glow_trail = PRVM_ED_FindFieldOffset("glow_trail");
1397 prog->fieldoffsets.gravity = PRVM_ED_FindFieldOffset("gravity");
1398 prog->fieldoffsets.groundentity = PRVM_ED_FindFieldOffset("groundentity");
1399 prog->fieldoffsets.hull = PRVM_ED_FindFieldOffset("hull");
1400 prog->fieldoffsets.ideal_yaw = PRVM_ED_FindFieldOffset("ideal_yaw");
1401 prog->fieldoffsets.idealpitch = PRVM_ED_FindFieldOffset("idealpitch");
1402 prog->fieldoffsets.items2 = PRVM_ED_FindFieldOffset("items2");
1403 prog->fieldoffsets.lerpfrac = PRVM_ED_FindFieldOffset("lerpfrac");
1404 prog->fieldoffsets.light_lev = PRVM_ED_FindFieldOffset("light_lev");
1405 prog->fieldoffsets.message = PRVM_ED_FindFieldOffset("message");
1406 prog->fieldoffsets.modelflags = PRVM_ED_FindFieldOffset("modelflags");
1407 prog->fieldoffsets.movement = PRVM_ED_FindFieldOffset("movement");
1408 prog->fieldoffsets.netaddress = PRVM_ED_FindFieldOffset("netaddress");
1409 prog->fieldoffsets.nextthink = PRVM_ED_FindFieldOffset("nextthink");
1410 prog->fieldoffsets.nodrawtoclient = PRVM_ED_FindFieldOffset("nodrawtoclient");
1411 prog->fieldoffsets.pflags = PRVM_ED_FindFieldOffset("pflags");
1412 prog->fieldoffsets.ping = PRVM_ED_FindFieldOffset("ping");
1413 prog->fieldoffsets.pitch_speed = PRVM_ED_FindFieldOffset("pitch_speed");
1414 prog->fieldoffsets.playermodel = PRVM_ED_FindFieldOffset("playermodel");
1415 prog->fieldoffsets.playerskin = PRVM_ED_FindFieldOffset("playerskin");
1416 prog->fieldoffsets.pmodel = PRVM_ED_FindFieldOffset("pmodel");
1417 prog->fieldoffsets.punchvector = PRVM_ED_FindFieldOffset("punchvector");
1418 prog->fieldoffsets.renderamt = PRVM_ED_FindFieldOffset("renderamt"); // HalfLife support
1419 prog->fieldoffsets.renderflags = PRVM_ED_FindFieldOffset("renderflags");
1420 prog->fieldoffsets.rendermode = PRVM_ED_FindFieldOffset("rendermode"); // HalfLife support
1421 prog->fieldoffsets.scale = PRVM_ED_FindFieldOffset("scale");
1422 prog->fieldoffsets.style = PRVM_ED_FindFieldOffset("style");
1423 prog->fieldoffsets.tag_entity = PRVM_ED_FindFieldOffset("tag_entity");
1424 prog->fieldoffsets.tag_index = PRVM_ED_FindFieldOffset("tag_index");
1425 prog->fieldoffsets.think = PRVM_ED_FindFieldOffset("think");
1426 prog->fieldoffsets.viewmodelforclient = PRVM_ED_FindFieldOffset("viewmodelforclient");
1427 prog->fieldoffsets.viewzoom = PRVM_ED_FindFieldOffset("viewzoom");
1428 prog->fieldoffsets.yaw_speed = PRVM_ED_FindFieldOffset("yaw_speed");
1429 prog->fieldoffsets.clientcamera = PRVM_ED_FindFieldOffset("clientcamera");
1430 prog->funcoffsets.CSQC_ConsoleCommand = PRVM_ED_FindFunctionOffset("CSQC_ConsoleCommand");
1431 prog->funcoffsets.CSQC_Ent_Remove = PRVM_ED_FindFunctionOffset("CSQC_Ent_Remove");
1432 prog->funcoffsets.CSQC_Ent_Update = PRVM_ED_FindFunctionOffset("CSQC_Ent_Update");
1433 prog->funcoffsets.CSQC_Ent_Spawn = PRVM_ED_FindFunctionOffset("CSQC_Ent_Spawn");
1434 prog->funcoffsets.CSQC_Event = PRVM_ED_FindFunctionOffset("CSQC_Event");
1435 prog->funcoffsets.CSQC_Event_Sound = PRVM_ED_FindFunctionOffset("CSQC_Event_Sound");
1436 prog->funcoffsets.CSQC_Init = PRVM_ED_FindFunctionOffset("CSQC_Init");
1437 prog->funcoffsets.CSQC_InputEvent = PRVM_ED_FindFunctionOffset("CSQC_InputEvent");
1438 prog->funcoffsets.CSQC_Parse_CenterPrint = PRVM_ED_FindFunctionOffset("CSQC_Parse_CenterPrint");
1439 prog->funcoffsets.CSQC_Parse_Print = PRVM_ED_FindFunctionOffset("CSQC_Parse_Print");
1440 prog->funcoffsets.CSQC_Parse_StuffCmd = PRVM_ED_FindFunctionOffset("CSQC_Parse_StuffCmd");
1441 prog->funcoffsets.CSQC_Parse_TempEntity = PRVM_ED_FindFunctionOffset("CSQC_Parse_TempEntity");
1442 prog->funcoffsets.CSQC_Shutdown = PRVM_ED_FindFunctionOffset("CSQC_Shutdown");
1443 prog->funcoffsets.CSQC_UpdateView = PRVM_ED_FindFunctionOffset("CSQC_UpdateView");
1444 prog->funcoffsets.Gecko_Query = PRVM_ED_FindFunctionOffset("Gecko_Query");
1445 prog->funcoffsets.EndFrame = PRVM_ED_FindFunctionOffset("EndFrame");
1446 prog->funcoffsets.RestoreGame = PRVM_ED_FindFunctionOffset("RestoreGame");
1447 prog->funcoffsets.SV_ChangeTeam = PRVM_ED_FindFunctionOffset("SV_ChangeTeam");
1448 prog->funcoffsets.SV_ParseClientCommand = PRVM_ED_FindFunctionOffset("SV_ParseClientCommand");
1449 prog->funcoffsets.SV_PlayerPhysics = PRVM_ED_FindFunctionOffset("SV_PlayerPhysics");
1450 prog->funcoffsets.SV_OnEntityNoSpawnFunction = PRVM_ED_FindFunctionOffset("SV_OnEntityNoSpawnFunction");
1451 prog->funcoffsets.GameCommand = PRVM_ED_FindFunctionOffset("GameCommand");
1452 prog->funcoffsets.SV_Shutdown = PRVM_ED_FindFunctionOffset("SV_Shutdown");
1453 prog->globaloffsets.SV_InitCmd = PRVM_ED_FindGlobalOffset("SV_InitCmd");
1454 prog->globaloffsets.self = PRVM_ED_FindGlobalOffset("self");
1455 prog->globaloffsets.time = PRVM_ED_FindGlobalOffset("time");
1456 prog->globaloffsets.v_forward = PRVM_ED_FindGlobalOffset("v_forward");
1457 prog->globaloffsets.v_right = PRVM_ED_FindGlobalOffset("v_right");
1458 prog->globaloffsets.v_up = PRVM_ED_FindGlobalOffset("v_up");
1459 prog->globaloffsets.view_angles = PRVM_ED_FindGlobalOffset("view_angles");
1460 prog->globaloffsets.trace_allsolid = PRVM_ED_FindGlobalOffset("trace_allsolid");
1461 prog->globaloffsets.trace_startsolid = PRVM_ED_FindGlobalOffset("trace_startsolid");
1462 prog->globaloffsets.trace_fraction = PRVM_ED_FindGlobalOffset("trace_fraction");
1463 prog->globaloffsets.trace_inwater = PRVM_ED_FindGlobalOffset("trace_inwater");
1464 prog->globaloffsets.trace_inopen = PRVM_ED_FindGlobalOffset("trace_inopen");
1465 prog->globaloffsets.trace_endpos = PRVM_ED_FindGlobalOffset("trace_endpos");
1466 prog->globaloffsets.trace_plane_normal = PRVM_ED_FindGlobalOffset("trace_plane_normal");
1467 prog->globaloffsets.trace_plane_dist = PRVM_ED_FindGlobalOffset("trace_plane_dist");
1468 prog->globaloffsets.trace_ent = PRVM_ED_FindGlobalOffset("trace_ent");
1469 prog->globaloffsets.trace_dphitcontents = PRVM_ED_FindGlobalOffset("trace_dphitcontents");
1470 prog->globaloffsets.trace_dphitq3surfaceflags = PRVM_ED_FindGlobalOffset("trace_dphitq3surfaceflags");
1471 prog->globaloffsets.trace_dphittexturename = PRVM_ED_FindGlobalOffset("trace_dphittexturename");
1472 prog->globaloffsets.trace_dpstartcontents = PRVM_ED_FindGlobalOffset("trace_dpstartcontents");
1473 prog->globaloffsets.intermission = PRVM_ED_FindGlobalOffset("intermission");
1474 prog->globaloffsets.coop = PRVM_ED_FindGlobalOffset("coop");
1475 prog->globaloffsets.deathmatch = PRVM_ED_FindGlobalOffset("deathmatch");
1476 prog->globaloffsets.dmg_take = PRVM_ED_FindGlobalOffset("dmg_take");
1477 prog->globaloffsets.dmg_save = PRVM_ED_FindGlobalOffset("dmg_save");
1478 prog->globaloffsets.dmg_origin = PRVM_ED_FindGlobalOffset("dmg_origin");
1479 prog->globaloffsets.sb_showscores = PRVM_ED_FindGlobalOffset("sb_showscores");
1480 prog->globaloffsets.drawfont = PRVM_ED_FindGlobalOffset("drawfont");
1482 // menu qc only uses some functions, nothing else
1483 prog->funcoffsets.m_draw = PRVM_ED_FindFunctionOffset("m_draw");
1484 prog->funcoffsets.m_init = PRVM_ED_FindFunctionOffset("m_init");
1485 prog->funcoffsets.m_keydown = PRVM_ED_FindFunctionOffset("m_keydown");
1486 prog->funcoffsets.m_keyup = PRVM_ED_FindFunctionOffset("m_keyup");
1487 prog->funcoffsets.m_shutdown = PRVM_ED_FindFunctionOffset("m_shutdown");
1488 prog->funcoffsets.m_toggle = PRVM_ED_FindFunctionOffset("m_toggle");
1493 typedef struct dpfield_s
1500 #define DPFIELDS (sizeof(dpfields) / sizeof(dpfield_t))
1502 dpfield_t dpfields[] =
1513 void PRVM_ResetProg()
1515 PRVM_GCALL(reset_cmd)();
1516 Mem_FreePool(&prog->progs_mempool);
1517 memset(prog,0,sizeof(prvm_prog_t));
1518 prog->starttime = Sys_DoubleTime();
1526 void PRVM_LoadLNO( const char *progname ) {
1527 fs_offset_t filesize;
1529 unsigned int *header;
1532 FS_StripExtension( progname, filename, sizeof( filename ) );
1533 strlcat( filename, ".lno", sizeof( filename ) );
1535 lno = FS_LoadFile( filename, tempmempool, false, &filesize );
1541 <Spike> SafeWrite (h, &lnotype, sizeof(int));
1542 <Spike> SafeWrite (h, &version, sizeof(int));
1543 <Spike> SafeWrite (h, &numglobaldefs, sizeof(int));
1544 <Spike> SafeWrite (h, &numpr_globals, sizeof(int));
1545 <Spike> SafeWrite (h, &numfielddefs, sizeof(int));
1546 <Spike> SafeWrite (h, &numstatements, sizeof(int));
1547 <Spike> SafeWrite (h, statement_linenums, numstatements*sizeof(int));
1549 if( (unsigned) filesize < (6 + prog->progs->numstatements) * sizeof( int ) ) {
1554 header = (unsigned int *) lno;
1555 if( header[ 0 ] == *(unsigned int *) "LNOF" &&
1556 LittleLong( header[ 1 ] ) == 1 &&
1557 (unsigned int)LittleLong( header[ 2 ] ) == (unsigned int)prog->progs->numglobaldefs &&
1558 (unsigned int)LittleLong( header[ 3 ] ) == (unsigned int)prog->progs->numglobals &&
1559 (unsigned int)LittleLong( header[ 4 ] ) == (unsigned int)prog->progs->numfielddefs &&
1560 (unsigned int)LittleLong( header[ 5 ] ) == (unsigned int)prog->progs->numstatements )
1562 prog->statement_linenums = (int *)Mem_Alloc(prog->progs_mempool, prog->progs->numstatements * sizeof( int ) );
1563 memcpy( prog->statement_linenums, (int *) lno + 6, prog->progs->numstatements * sizeof( int ) );
1573 void PRVM_LoadProgs (const char * filename, int numrequiredfunc, char **required_func, int numrequiredfields, prvm_required_field_t *required_field, int numrequiredglobals, char **required_global)
1577 ddef_t *infielddefs;
1578 dfunction_t *dfunctions;
1579 fs_offset_t filesize;
1581 if( prog->loaded ) {
1582 PRVM_ERROR ("PRVM_LoadProgs: there is already a %s program loaded!", PRVM_NAME );
1585 prog->progs = (dprograms_t *)FS_LoadFile (filename, prog->progs_mempool, false, &filesize);
1586 if (prog->progs == NULL || filesize < (fs_offset_t)sizeof(dprograms_t))
1587 PRVM_ERROR ("PRVM_LoadProgs: couldn't load %s for %s", filename, PRVM_NAME);
1589 Con_DPrintf("%s programs occupy %iK.\n", PRVM_NAME, (int)(filesize/1024));
1591 prog->filecrc = CRC_Block((unsigned char *)prog->progs, filesize);
1593 // byte swap the header
1594 for (i = 0;i < (int) sizeof(*prog->progs) / 4;i++)
1595 ((int *)prog->progs)[i] = LittleLong ( ((int *)prog->progs)[i] );
1597 if (prog->progs->version != PROG_VERSION)
1598 PRVM_ERROR ("%s: %s has wrong version number (%i should be %i)", PRVM_NAME, filename, prog->progs->version, PROG_VERSION);
1599 if (prog->progs->crc != prog->headercrc && prog->progs->crc != prog->headercrc2)
1600 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);
1602 //prog->functions = (dfunction_t *)((unsigned char *)progs + progs->ofs_functions);
1603 dfunctions = (dfunction_t *)((unsigned char *)prog->progs + prog->progs->ofs_functions);
1605 if (prog->progs->ofs_strings + prog->progs->numstrings >= (int)filesize)
1606 PRVM_ERROR ("%s: %s strings go past end of file", PRVM_NAME, filename);
1607 prog->strings = (char *)prog->progs + prog->progs->ofs_strings;
1608 prog->stringssize = prog->progs->numstrings;
1610 prog->numknownstrings = 0;
1611 prog->maxknownstrings = 0;
1612 prog->knownstrings = NULL;
1613 prog->knownstrings_freeable = NULL;
1615 Mem_ExpandableArray_NewArray(&prog->stringbuffersarray, prog->progs_mempool, sizeof(prvm_stringbuffer_t), 64);
1617 prog->globaldefs = (ddef_t *)((unsigned char *)prog->progs + prog->progs->ofs_globaldefs);
1619 // we need to expand the fielddefs list to include all the engine fields,
1620 // so allocate a new place for it
1621 infielddefs = (ddef_t *)((unsigned char *)prog->progs + prog->progs->ofs_fielddefs);
1623 prog->fielddefs = (ddef_t *)Mem_Alloc(prog->progs_mempool, (prog->progs->numfielddefs + numrequiredfields) * sizeof(ddef_t));
1625 prog->statements = (dstatement_t *)((unsigned char *)prog->progs + prog->progs->ofs_statements);
1627 prog->statement_profile = (double *)Mem_Alloc(prog->progs_mempool, prog->progs->numstatements * sizeof(*prog->statement_profile));
1629 // moved edict_size calculation down below field adding code
1631 //pr_global_struct = (globalvars_t *)((unsigned char *)progs + progs->ofs_globals);
1632 prog->globals.generic = (float *)((unsigned char *)prog->progs + prog->progs->ofs_globals);
1634 // byte swap the lumps
1635 for (i=0 ; i<prog->progs->numstatements ; i++)
1637 prog->statements[i].op = LittleShort(prog->statements[i].op);
1638 prog->statements[i].a = LittleShort(prog->statements[i].a);
1639 prog->statements[i].b = LittleShort(prog->statements[i].b);
1640 prog->statements[i].c = LittleShort(prog->statements[i].c);
1643 prog->functions = (mfunction_t *)Mem_Alloc(prog->progs_mempool, sizeof(mfunction_t) * prog->progs->numfunctions);
1644 for (i = 0;i < prog->progs->numfunctions;i++)
1646 prog->functions[i].first_statement = LittleLong (dfunctions[i].first_statement);
1647 prog->functions[i].parm_start = LittleLong (dfunctions[i].parm_start);
1648 prog->functions[i].s_name = LittleLong (dfunctions[i].s_name);
1649 prog->functions[i].s_file = LittleLong (dfunctions[i].s_file);
1650 prog->functions[i].numparms = LittleLong (dfunctions[i].numparms);
1651 prog->functions[i].locals = LittleLong (dfunctions[i].locals);
1652 memcpy(prog->functions[i].parm_size, dfunctions[i].parm_size, sizeof(dfunctions[i].parm_size));
1655 for (i=0 ; i<prog->progs->numglobaldefs ; i++)
1657 prog->globaldefs[i].type = LittleShort (prog->globaldefs[i].type);
1658 prog->globaldefs[i].ofs = LittleShort (prog->globaldefs[i].ofs);
1659 prog->globaldefs[i].s_name = LittleLong (prog->globaldefs[i].s_name);
1662 // copy the progs fields to the new fields list
1663 for (i = 0;i < prog->progs->numfielddefs;i++)
1665 prog->fielddefs[i].type = LittleShort (infielddefs[i].type);
1666 if (prog->fielddefs[i].type & DEF_SAVEGLOBAL)
1667 PRVM_ERROR ("PRVM_LoadProgs: prog->fielddefs[i].type & DEF_SAVEGLOBAL in %s", PRVM_NAME);
1668 prog->fielddefs[i].ofs = LittleShort (infielddefs[i].ofs);
1669 prog->fielddefs[i].s_name = LittleLong (infielddefs[i].s_name);
1672 // append the required fields
1673 for (i = 0;i < (int) numrequiredfields;i++)
1675 prog->fielddefs[prog->progs->numfielddefs].type = required_field[i].type;
1676 prog->fielddefs[prog->progs->numfielddefs].ofs = prog->progs->entityfields;
1677 prog->fielddefs[prog->progs->numfielddefs].s_name = PRVM_SetEngineString(required_field[i].name);
1678 if (prog->fielddefs[prog->progs->numfielddefs].type == ev_vector)
1679 prog->progs->entityfields += 3;
1681 prog->progs->entityfields++;
1682 prog->progs->numfielddefs++;
1685 // check required functions
1686 for(i=0 ; i < numrequiredfunc ; i++)
1687 if(PRVM_ED_FindFunction(required_func[i]) == 0)
1688 PRVM_ERROR("%s: %s not found in %s",PRVM_NAME, required_func[i], filename);
1690 // check required globals
1691 for(i=0 ; i < numrequiredglobals ; i++)
1692 if(PRVM_ED_FindGlobal(required_global[i]) == 0)
1693 PRVM_ERROR("%s: %s not found in %s",PRVM_NAME, required_global[i], filename);
1695 for (i=0 ; i<prog->progs->numglobals ; i++)
1696 ((int *)prog->globals.generic)[i] = LittleLong (((int *)prog->globals.generic)[i]);
1698 // moved edict_size calculation down here, below field adding code
1699 // LordHavoc: this no longer includes the prvm_edict_t header
1700 prog->edict_size = prog->progs->entityfields * 4;
1701 prog->edictareasize = prog->edict_size * prog->limit_edicts;
1703 // LordHavoc: bounds check anything static
1704 for (i = 0,st = prog->statements;i < prog->progs->numstatements;i++,st++)
1710 if ((unsigned short) st->a >= prog->progs->numglobals || st->b + i < 0 || st->b + i >= prog->progs->numstatements)
1711 PRVM_ERROR("PRVM_LoadProgs: out of bounds IF/IFNOT (statement %d) in %s", i, PRVM_NAME);
1714 if (st->a + i < 0 || st->a + i >= prog->progs->numstatements)
1715 PRVM_ERROR("PRVM_LoadProgs: out of bounds GOTO (statement %d) in %s", i, PRVM_NAME);
1717 // global global global
1752 if ((unsigned short) st->a >= prog->progs->numglobals || (unsigned short) st->b >= prog->progs->numglobals || (unsigned short) st->c >= prog->progs->numglobals)
1753 PRVM_ERROR("PRVM_LoadProgs: out of bounds global index (statement %d)", i);
1755 // global none global
1761 if ((unsigned short) st->a >= prog->progs->numglobals || (unsigned short) st->c >= prog->progs->numglobals)
1762 PRVM_ERROR("PRVM_LoadProgs: out of bounds global index (statement %d) in %s", i, PRVM_NAME);
1778 if ((unsigned short) st->a >= prog->progs->numglobals || (unsigned short) st->b >= prog->progs->numglobals)
1779 PRVM_ERROR("PRVM_LoadProgs: out of bounds global index (statement %d) in %s", i, PRVM_NAME);
1793 if ((unsigned short) st->a >= prog->progs->numglobals)
1794 PRVM_ERROR("PRVM_LoadProgs: out of bounds global index (statement %d) in %s", i, PRVM_NAME);
1797 Con_DPrintf("PRVM_LoadProgs: unknown opcode %d at statement %d in %s\n", st->op, i, PRVM_NAME);
1802 PRVM_LoadLNO(filename);
1806 prog->loaded = TRUE;
1808 // set flags & ddef_ts in prog
1814 PRVM_GCALL(init_cmd)();
1821 void PRVM_Fields_f (void)
1823 int i, j, ednum, used, usedamount;
1825 char tempstring[MAX_INPUTLINE], tempstring2[260];
1835 Con_Print("no progs loaded\n");
1842 Con_Print("prvm_fields <program name>\n");
1847 if(!PRVM_SetProgFromString(Cmd_Argv(1)))
1850 counts = (int *)Mem_Alloc(tempmempool, prog->progs->numfielddefs * sizeof(int));
1851 for (ednum = 0;ednum < prog->max_edicts;ednum++)
1853 ed = PRVM_EDICT_NUM(ednum);
1854 if (ed->priv.required->free)
1856 for (i = 1;i < prog->progs->numfielddefs;i++)
1858 d = &prog->fielddefs[i];
1859 name = PRVM_GetString(d->s_name);
1860 if (name[strlen(name)-2] == '_')
1861 continue; // skip _x, _y, _z vars
1862 v = (int *)((char *)ed->fields.vp + d->ofs*4);
1863 // if the value is still all 0, skip the field
1864 for (j = 0;j < prvm_type_size[d->type & ~DEF_SAVEGLOBAL];j++)
1877 for (i = 0;i < prog->progs->numfielddefs;i++)
1879 d = &prog->fielddefs[i];
1880 name = PRVM_GetString(d->s_name);
1881 if (name[strlen(name)-2] == '_')
1882 continue; // skip _x, _y, _z vars
1883 switch(d->type & ~DEF_SAVEGLOBAL)
1886 strlcat(tempstring, "string ", sizeof(tempstring));
1889 strlcat(tempstring, "entity ", sizeof(tempstring));
1892 strlcat(tempstring, "function ", sizeof(tempstring));
1895 strlcat(tempstring, "field ", sizeof(tempstring));
1898 strlcat(tempstring, "void ", sizeof(tempstring));
1901 strlcat(tempstring, "float ", sizeof(tempstring));
1904 strlcat(tempstring, "vector ", sizeof(tempstring));
1907 strlcat(tempstring, "pointer ", sizeof(tempstring));
1910 sprintf (tempstring2, "bad type %i ", d->type & ~DEF_SAVEGLOBAL);
1911 strlcat(tempstring, tempstring2, sizeof(tempstring));
1914 if (strlen(name) > sizeof(tempstring2)-4)
1916 memcpy (tempstring2, name, sizeof(tempstring2)-4);
1917 tempstring2[sizeof(tempstring2)-4] = tempstring2[sizeof(tempstring2)-3] = tempstring2[sizeof(tempstring2)-2] = '.';
1918 tempstring2[sizeof(tempstring2)-1] = 0;
1921 strlcat(tempstring, name, sizeof(tempstring));
1922 for (j = (int)strlen(name);j < 25;j++)
1923 strlcat(tempstring, " ", sizeof(tempstring));
1924 sprintf(tempstring2, "%5d", counts[i]);
1925 strlcat(tempstring, tempstring2, sizeof(tempstring));
1926 strlcat(tempstring, "\n", sizeof(tempstring));
1927 if (strlen(tempstring) >= sizeof(tempstring)/2)
1929 Con_Print(tempstring);
1935 usedamount += prvm_type_size[d->type & ~DEF_SAVEGLOBAL];
1939 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);
1944 void PRVM_Globals_f (void)
1947 const char *wildcard;
1953 Con_Print("no progs loaded\n");
1956 if(Cmd_Argc () < 2 || Cmd_Argc() > 3)
1958 Con_Print("prvm_globals <program name> <optional name wildcard>\n");
1963 if(!PRVM_SetProgFromString (Cmd_Argv (1)))
1966 if( Cmd_Argc() == 3)
1967 wildcard = Cmd_Argv(2);
1971 Con_Printf("%s :", PRVM_NAME);
1973 for (i = 0;i < prog->progs->numglobaldefs;i++)
1976 if( !matchpattern( PRVM_GetString(prog->globaldefs[i].s_name), wildcard, 1) )
1981 Con_Printf("%s\n", PRVM_GetString(prog->globaldefs[i].s_name));
1983 Con_Printf("%i global variables, %i culled, totalling %i bytes\n", prog->progs->numglobals, numculled, prog->progs->numglobals * 4);
1993 void PRVM_Global_f(void)
1996 if( Cmd_Argc() != 3 ) {
1997 Con_Printf( "prvm_global <program name> <global name>\n" );
2002 if( !PRVM_SetProgFromString( Cmd_Argv(1) ) )
2005 global = PRVM_ED_FindGlobal( Cmd_Argv(2) );
2007 Con_Printf( "No global '%s' in %s!\n", Cmd_Argv(2), Cmd_Argv(1) );
2009 Con_Printf( "%s: %s\n", Cmd_Argv(2), PRVM_ValueString( (etype_t)global->type, (prvm_eval_t *) &prog->globals.generic[ global->ofs ] ) );
2018 void PRVM_GlobalSet_f(void)
2021 if( Cmd_Argc() != 4 ) {
2022 Con_Printf( "prvm_globalset <program name> <global name> <value>\n" );
2027 if( !PRVM_SetProgFromString( Cmd_Argv(1) ) )
2030 global = PRVM_ED_FindGlobal( Cmd_Argv(2) );
2032 Con_Printf( "No global '%s' in %s!\n", Cmd_Argv(2), Cmd_Argv(1) );
2034 PRVM_ED_ParseEpair( NULL, global, Cmd_Argv(3) );
2043 void PRVM_Init (void)
2045 Cmd_AddCommand ("prvm_edict", PRVM_ED_PrintEdict_f, "print all data about an entity number in the selected VM (server, client, menu)");
2046 Cmd_AddCommand ("prvm_edicts", PRVM_ED_PrintEdicts_f, "prints all data about all entities in the selected VM (server, client, menu)");
2047 Cmd_AddCommand ("prvm_edictcount", PRVM_ED_Count_f, "prints number of active entities in the selected VM (server, client, menu)");
2048 Cmd_AddCommand ("prvm_profile", PRVM_Profile_f, "prints execution statistics about the most used QuakeC functions in the selected VM (server, client, menu)");
2049 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)");
2050 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)");
2051 Cmd_AddCommand ("prvm_globals", PRVM_Globals_f, "prints all global variables in the selected VM (server, client, menu)");
2052 Cmd_AddCommand ("prvm_global", PRVM_Global_f, "prints value of a specified global variable in the selected VM (server, client, menu)");
2053 Cmd_AddCommand ("prvm_globalset", PRVM_GlobalSet_f, "sets value of a specified global variable in the selected VM (server, client, menu)");
2054 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)");
2055 Cmd_AddCommand ("prvm_printfunction", PRVM_PrintFunction_f, "prints a disassembly (QuakeC instructions) of the specified function in the selected VM (server, client, menu)");
2056 Cmd_AddCommand ("cl_cmd", PRVM_GameCommand_Client_f, "calls the client QC function GameCommand with the supplied string as argument");
2057 Cmd_AddCommand ("menu_cmd", PRVM_GameCommand_Menu_f, "calls the menu QC function GameCommand with the supplied string as argument");
2058 Cmd_AddCommand ("sv_cmd", PRVM_GameCommand_Server_f, "calls the server QC function GameCommand with the supplied string as argument");
2059 // LordHavoc: optional runtime bounds checking (speed drain, but worth it for security, on by default - breaks most QCCX features (used by CRMod and others))
2060 #ifdef PRVM_BOUNDSCHECK_CVAR
2061 Cvar_RegisterVariable (&prvm_boundscheck);
2063 Cvar_RegisterVariable (&prvm_traceqc);
2064 Cvar_RegisterVariable (&prvm_statementprofiling);
2065 Cvar_RegisterVariable (&prvm_backtraceforwarnings);
2075 void PRVM_InitProg(int prognr)
2077 if(prognr < 0 || prognr >= PRVM_MAXPROGS)
2078 Sys_Error("PRVM_InitProg: Invalid program number %i",prognr);
2080 prog = &prog_list[prognr];
2085 memset(prog, 0, sizeof(prvm_prog_t));
2086 prog->starttime = Sys_DoubleTime();
2088 prog->error_cmd = Host_Error;
2091 int PRVM_GetProgNr()
2093 return prog - prog_list;
2096 void *_PRVM_Alloc(size_t buffersize, const char *filename, int fileline)
2098 return _Mem_Alloc(prog->progs_mempool, buffersize, filename, fileline);
2101 void _PRVM_Free(void *buffer, const char *filename, int fileline)
2103 _Mem_Free(buffer, filename, fileline);
2106 void _PRVM_FreeAll(const char *filename, int fileline)
2109 prog->fielddefs = NULL;
2110 prog->functions = NULL;
2111 _Mem_EmptyPool(prog->progs_mempool, filename, fileline);
2114 // LordHavoc: turned PRVM_EDICT_NUM into a #define for speed reasons
2115 unsigned int PRVM_EDICT_NUM_ERROR(unsigned int n, char *filename, int fileline)
2117 PRVM_ERROR ("PRVM_EDICT_NUM: %s: bad number %i (called at %s:%i)", PRVM_NAME, n, filename, fileline);
2122 int NUM_FOR_EDICT_ERROR(prvm_edict_t *e)
2124 PRVM_ERROR ("PRVM_NUM_FOR_EDICT: bad pointer %p (world is %p, entity number would be %i)", e, prog->edicts, e - prog->edicts);
2128 int PRVM_NUM_FOR_EDICT(prvm_edict_t *e)
2131 n = e - prog->edicts;
2132 if ((unsigned int)n >= prog->limit_edicts)
2133 Host_Error ("PRVM_NUM_FOR_EDICT: bad pointer");
2137 //int NoCrash_NUM_FOR_EDICT(prvm_edict_t *e)
2139 // return e - prog->edicts;
2142 //#define PRVM_EDICT_TO_PROG(e) ((unsigned char *)(((prvm_edict_t *)e)->v) - (unsigned char *)(prog->edictsfields))
2143 //#define PRVM_PROG_TO_EDICT(e) (prog->edicts + ((e) / (progs->entityfields * 4)))
2144 int PRVM_EDICT_TO_PROG(prvm_edict_t *e)
2147 n = e - prog->edicts;
2148 if ((unsigned int)n >= (unsigned int)prog->max_edicts)
2149 Host_Error("PRVM_EDICT_TO_PROG: invalid edict %8p (number %i compared to world at %8p)", e, n, prog->edicts);
2150 return n;// EXPERIMENTAL
2151 //return (unsigned char *)e->v - (unsigned char *)prog->edictsfields;
2153 prvm_edict_t *PRVM_PROG_TO_EDICT(int n)
2155 if ((unsigned int)n >= (unsigned int)prog->max_edicts)
2156 Host_Error("PRVM_PROG_TO_EDICT: invalid edict number %i", n);
2157 return prog->edicts + n; // EXPERIMENTAL
2158 //return prog->edicts + ((n) / (progs->entityfields * 4));
2163 sizebuf_t vm_tempstringsbuf;
2165 const char *PRVM_GetString(int num)
2169 if (num < prog->stringssize)
2170 return prog->strings + num;
2173 if (num <= prog->stringssize + vm_tempstringsbuf.maxsize)
2175 num -= prog->stringssize;
2176 if (num < vm_tempstringsbuf.cursize)
2177 return (char *)vm_tempstringsbuf.data + num;
2180 VM_Warning("PRVM_GetString: Invalid temp-string offset (%i >= %i vm_tempstringsbuf.cursize)\n", num, vm_tempstringsbuf.cursize);
2187 VM_Warning("PRVM_GetString: Invalid constant-string offset (%i >= %i prog->stringssize)\n", num, prog->stringssize);
2197 // special range reserved for tempstrings
2199 if (num < vm_tempstringsbuf.cursize)
2200 return (char *)vm_tempstringsbuf.data + num;
2203 VM_Warning("PRVM_GetString: Invalid temp-string offset (%i >= %i vm_tempstringsbuf.cursize)\n", num, vm_tempstringsbuf.cursize);
2209 if (num < prog->numknownstrings)
2211 if (!prog->knownstrings[num])
2212 VM_Warning("PRVM_GetString: Invalid zone-string offset (%i has been freed)\n", num);
2213 return prog->knownstrings[num];
2217 VM_Warning("PRVM_GetString: Invalid zone-string offset (%i >= %i)\n", num, prog->numknownstrings);
2223 int PRVM_SetEngineString(const char *s)
2228 if (s >= prog->strings && s <= prog->strings + prog->stringssize)
2229 PRVM_ERROR("PRVM_SetEngineString: s in prog->strings area");
2230 // if it's in the tempstrings area, use a reserved range
2231 // (otherwise we'd get millions of useless string offsets cluttering the database)
2232 if (s >= (char *)vm_tempstringsbuf.data && s < (char *)vm_tempstringsbuf.data + vm_tempstringsbuf.maxsize)
2234 return prog->stringssize + (s - (char *)vm_tempstringsbuf.data);
2236 return -1 - ((1<<30) + (s - (char *)vm_tempstringsbuf.data));
2238 // see if it's a known string address
2239 for (i = 0;i < prog->numknownstrings;i++)
2240 if (prog->knownstrings[i] == s)
2242 // new unknown engine string
2243 if (developer.integer >= 200)
2244 Con_Printf("new engine string %p = \"%s\"\n", s, s);
2245 for (i = prog->firstfreeknownstring;i < prog->numknownstrings;i++)
2246 if (!prog->knownstrings[i])
2248 if (i >= prog->numknownstrings)
2250 if (i >= prog->maxknownstrings)
2252 const char **oldstrings = prog->knownstrings;
2253 const unsigned char *oldstrings_freeable = prog->knownstrings_freeable;
2254 prog->maxknownstrings += 128;
2255 prog->knownstrings = (const char **)PRVM_Alloc(prog->maxknownstrings * sizeof(char *));
2256 prog->knownstrings_freeable = (unsigned char *)PRVM_Alloc(prog->maxknownstrings * sizeof(unsigned char));
2257 if (prog->numknownstrings)
2259 memcpy((char **)prog->knownstrings, oldstrings, prog->numknownstrings * sizeof(char *));
2260 memcpy((char **)prog->knownstrings_freeable, oldstrings_freeable, prog->numknownstrings * sizeof(unsigned char));
2263 prog->numknownstrings++;
2265 prog->firstfreeknownstring = i + 1;
2266 prog->knownstrings[i] = s;
2270 // temp string handling
2272 // all tempstrings go into this buffer consecutively, and it is reset
2273 // whenever PRVM_ExecuteProgram returns to the engine
2274 // (technically each PRVM_ExecuteProgram call saves the cursize value and
2275 // restores it on return, so multiple recursive calls can share the same
2277 // the buffer size is automatically grown as needed
2279 int PRVM_SetTempString(const char *s)
2285 size = (int)strlen(s) + 1;
2286 if (developer.integer >= 300)
2287 Con_Printf("PRVM_SetTempString: cursize %i, size %i\n", vm_tempstringsbuf.cursize, size);
2288 if (vm_tempstringsbuf.maxsize < vm_tempstringsbuf.cursize + size)
2290 sizebuf_t old = vm_tempstringsbuf;
2291 if (vm_tempstringsbuf.cursize + size >= 1<<28)
2292 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);
2293 vm_tempstringsbuf.maxsize = max(vm_tempstringsbuf.maxsize, 65536);
2294 while (vm_tempstringsbuf.maxsize < vm_tempstringsbuf.cursize + size)
2295 vm_tempstringsbuf.maxsize *= 2;
2296 if (vm_tempstringsbuf.maxsize != old.maxsize || vm_tempstringsbuf.data == NULL)
2298 if (developer.integer >= 100)
2299 Con_Printf("PRVM_SetTempString: enlarging tempstrings buffer (%iKB -> %iKB)\n", old.maxsize/1024, vm_tempstringsbuf.maxsize/1024);
2300 vm_tempstringsbuf.data = Mem_Alloc(sv_mempool, vm_tempstringsbuf.maxsize);
2302 memcpy(vm_tempstringsbuf.data, old.data, old.cursize);
2307 t = (char *)vm_tempstringsbuf.data + vm_tempstringsbuf.cursize;
2309 vm_tempstringsbuf.cursize += size;
2310 return PRVM_SetEngineString(t);
2313 int PRVM_AllocString(size_t bufferlength, char **pointer)
2318 for (i = prog->firstfreeknownstring;i < prog->numknownstrings;i++)
2319 if (!prog->knownstrings[i])
2321 if (i >= prog->numknownstrings)
2323 if (i >= prog->maxknownstrings)
2325 const char **oldstrings = prog->knownstrings;
2326 const unsigned char *oldstrings_freeable = prog->knownstrings_freeable;
2327 prog->maxknownstrings += 128;
2328 prog->knownstrings = (const char **)PRVM_Alloc(prog->maxknownstrings * sizeof(char *));
2329 prog->knownstrings_freeable = (unsigned char *)PRVM_Alloc(prog->maxknownstrings * sizeof(unsigned char));
2330 if (prog->numknownstrings)
2332 memcpy((char **)prog->knownstrings, oldstrings, prog->numknownstrings * sizeof(char *));
2333 memcpy((char **)prog->knownstrings_freeable, oldstrings_freeable, prog->numknownstrings * sizeof(unsigned char));
2336 prog->numknownstrings++;
2338 prog->firstfreeknownstring = i + 1;
2339 prog->knownstrings[i] = (char *)PRVM_Alloc(bufferlength);
2340 prog->knownstrings_freeable[i] = true;
2342 *pointer = (char *)(prog->knownstrings[i]);
2346 void PRVM_FreeString(int num)
2349 PRVM_ERROR("PRVM_FreeString: attempt to free a NULL string");
2350 else if (num >= 0 && num < prog->stringssize)
2351 PRVM_ERROR("PRVM_FreeString: attempt to free a constant string");
2352 else if (num < 0 && num >= -prog->numknownstrings)
2355 if (!prog->knownstrings[num])
2356 PRVM_ERROR("PRVM_FreeString: attempt to free a non-existent or already freed string");
2357 if (!prog->knownstrings[num])
2358 PRVM_ERROR("PRVM_FreeString: attempt to free a string owned by the engine");
2359 PRVM_Free((char *)prog->knownstrings[num]);
2360 prog->knownstrings[num] = NULL;
2361 prog->knownstrings_freeable[num] = false;
2362 prog->firstfreeknownstring = min(prog->firstfreeknownstring, num);
2365 PRVM_ERROR("PRVM_FreeString: invalid string offset %i", num);