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 cvar_t prvm_boundscheck = {0, "prvm_boundscheck", "1"};
36 // LordHavoc: prints every opcode as it executes - warning: this is significant spew
37 cvar_t prvm_traceqc = {0, "prvm_traceqc", "0"};
39 ddef_t *PRVM_ED_FindField (const char *name);
40 mfunction_t *PRVM_ED_FindFunction (const char *name);
42 //============================================================================
54 // reserve space for the null entity aka world
55 // check bound of max_edicts
56 prog->max_edicts = bound(1, prog->max_edicts, prog->limit_edicts);
57 prog->num_edicts = bound(1, prog->num_edicts, prog->max_edicts);
59 // edictprivate_size has to be min as big prvm_edict_private_t
60 prog->edictprivate_size = max(prog->edictprivate_size,(int)sizeof(prvm_edict_private_t));
63 prog->edicts = Mem_Alloc(prog->edicts_mempool,prog->limit_edicts * sizeof(prvm_edict_t));
65 // alloc edict private space
66 prog->edictprivate = Mem_Alloc(prog->edicts_mempool, prog->max_edicts * prog->edictprivate_size);
69 prog->edictsfields = Mem_Alloc(prog->edicts_mempool, prog->max_edicts * prog->edict_size);
72 for(i = 0; i < prog->max_edicts; i++)
74 prog->edicts[i].p.e = (prvm_edict_private_t *)((qbyte *)prog->edictprivate + i * prog->edictprivate_size);
75 prog->edicts[i].v = (void*)((qbyte *)prog->edictsfields + i * prog->edict_size);
81 PRVM_MEM_IncreaseEdicts
84 void PRVM_MEM_IncreaseEdicts()
87 int oldmaxedicts = prog->max_edicts;
88 void *oldedictsfields = prog->edictsfields;
89 void *oldedictprivate = prog->edictprivate;
91 if(prog->max_edicts >= prog->limit_edicts)
94 PRVM_GCALL(begin_increase_edicts)();
97 prog->max_edicts = min(prog->max_edicts + 256, prog->limit_edicts);
99 prog->edictsfields = Mem_Alloc(prog->edicts_mempool, prog->max_edicts * prog->edict_size);
100 prog->edictprivate = Mem_Alloc(prog->edicts_mempool, prog->max_edicts * prog->edictprivate_size);
102 memcpy(prog->edictsfields, oldedictsfields, oldmaxedicts * prog->edict_size);
103 memcpy(prog->edictprivate, oldedictprivate, oldmaxedicts * prog->edictprivate_size);
105 //set e and v pointers
106 for(i = 0; i < prog->max_edicts; i++)
108 prog->edicts[i].p.e = (prvm_edict_private_t *)((qbyte *)prog->edictprivate + i * prog->edictprivate_size);
109 prog->edicts[i].v = (void*)((qbyte *)prog->edictsfields + i * prog->edict_size);
112 PRVM_GCALL(end_increase_edicts)();
114 Mem_Free(oldedictsfields);
115 Mem_Free(oldedictprivate);
118 //============================================================================
121 int PRVM_ED_FindFieldOffset(const char *field)
124 d = PRVM_ED_FindField(field);
130 qboolean PRVM_ProgLoaded(int prognr)
132 if(prognr < 0 || prognr >= PRVM_MAXPROGS)
135 return (prog_list[prognr].loaded ? TRUE : FALSE);
140 PRVM_SetProgFromString
143 // perhaps add a return value when the str doesnt exist
144 qboolean PRVM_SetProgFromString(const char *str)
147 for(; i < PRVM_MAXPROGS ; i++)
148 if(prog_list[i].name && !strcmp(prog_list[i].name,str))
150 if(prog_list[i].loaded)
152 prog = &prog_list[i];
157 Con_Printf("%s not loaded !\n",PRVM_NAME);
162 Con_Printf("Invalid program name %s !\n", str);
171 void PRVM_SetProg(int prognr)
173 if(prognr && prognr < PRVM_MAXPROGS)
175 if(prog_list[prognr].loaded)
176 prog = &prog_list[prognr];
178 PRVM_ERROR("%i(%s) not loaded !\n", prognr, PRVM_NAME);
181 PRVM_ERROR("Invalid program number %i\n", prognr);
188 Sets everything to NULL
191 void PRVM_ED_ClearEdict (prvm_edict_t *e)
194 memset (e->v, 0, prog->progs->entityfields * 4);
195 e->p.e->free = false;
196 // LordHavoc: for consistency set these here
197 num = PRVM_NUM_FOR_EDICT(e) - 1;
199 // AK: Let the init_edict function determine if something needs to be initialized
200 PRVM_GCALL(init_edict)(num);
207 Either finds a free edict, or allocates a new one.
208 Try to avoid reusing an entity that was recently freed, because it
209 can cause the client to think the entity morphed into something else
210 instead of being removed and recreated, which can cause interpolated
211 angles and bad trails.
214 prvm_edict_t *PRVM_ED_Alloc (void)
219 // the client qc dont need maxclients
220 // thus it doesnt need to use svs.maxclients
221 // AK: changed i=svs.maxclients+1
222 // AK: changed so the edict 0 wont spawn -> used as reserved/world entity
223 // although the menu/client has no world
224 for (i = 1;i < prog->num_edicts;i++)
226 e = PRVM_EDICT_NUM(i);
227 // the first couple seconds of server time can involve a lot of
228 // freeing and allocating, so relax the replacement policy
229 if (e->p.e->free && ( e->p.e->freetime < 2 || (*prog->time - e->p.e->freetime) > 0.5 ) )
231 PRVM_ED_ClearEdict (e);
237 PRVM_ERROR ("%s: PRVM_ED_Alloc: no free edicts",PRVM_NAME);
240 if (prog->num_edicts >= prog->max_edicts)
241 PRVM_MEM_IncreaseEdicts();
243 e = PRVM_EDICT_NUM(i);
244 PRVM_ED_ClearEdict (e);
253 Marks the edict as free
254 FIXME: walk all entities and NULL out references to this entity
257 void PRVM_ED_Free (prvm_edict_t *ed)
259 // dont delete the null entity (world)
260 if(PRVM_NUM_FOR_EDICT(ed) == 0)
263 PRVM_GCALL(free_edict)(ed);
265 ed->p.e->free = true;
266 ed->p.e->freetime = *prog->time;
269 //===========================================================================
276 ddef_t *PRVM_ED_GlobalAtOfs (int ofs)
281 for (i=0 ; i<prog->progs->numglobaldefs ; i++)
283 def = &prog->globaldefs[i];
295 ddef_t *PRVM_ED_FieldAtOfs (int ofs)
300 for (i=0 ; i<prog->progs->numfielddefs ; i++)
302 def = &prog->fielddefs[i];
314 ddef_t *PRVM_ED_FindField (const char *name)
319 for (i=0 ; i<prog->progs->numfielddefs ; i++)
321 def = &prog->fielddefs[i];
322 if (!strcmp(PRVM_GetString(def->s_name), name))
333 ddef_t *PRVM_ED_FindGlobal (const char *name)
338 for (i=0 ; i<prog->progs->numglobaldefs ; i++)
340 def = &prog->globaldefs[i];
341 if (!strcmp(PRVM_GetString(def->s_name), name))
353 mfunction_t *PRVM_ED_FindFunction (const char *name)
358 for (i=0 ; i<prog->progs->numfunctions ; i++)
360 func = &prog->functions[i];
361 if (!strcmp(PRVM_GetString(func->s_name), name))
372 Returns a string describing *data in a type specific manner
375 char *PRVM_ValueString (etype_t type, prvm_eval_t *val)
377 static char line[1024]; // LordHavoc: enlarged a bit (was 256)
382 type &= ~DEF_SAVEGLOBAL;
387 strlcpy (line, PRVM_GetString (val->string), sizeof (line));
391 if (n < 0 || n >= MAX_EDICTS)
392 sprintf (line, "entity %i (invalid!)", n);
394 sprintf (line, "entity %i", n);
397 f = prog->functions + val->function;
398 sprintf (line, "%s()", PRVM_GetString(f->s_name));
401 def = PRVM_ED_FieldAtOfs ( val->_int );
402 sprintf (line, ".%s", PRVM_GetString(def->s_name));
405 sprintf (line, "void");
408 // LordHavoc: changed from %5.1f to %10.4f
409 sprintf (line, "%10.4f", val->_float);
412 // LordHavoc: changed from %5.1f to %10.4f
413 sprintf (line, "'%10.4f %10.4f %10.4f'", val->vector[0], val->vector[1], val->vector[2]);
416 sprintf (line, "pointer");
419 sprintf (line, "bad type %i", type);
430 Returns a string describing *data in a type specific manner
431 Easier to parse than PR_ValueString
434 char *PRVM_UglyValueString (etype_t type, prvm_eval_t *val)
436 static char line[4096];
442 type &= ~DEF_SAVEGLOBAL;
447 // Parse the string a bit to turn special characters
448 // (like newline, specifically) into escape codes,
449 // this fixes saving games from various mods
450 s = PRVM_GetString (val->string);
451 for (i = 0;i < (int)sizeof(line) - 2 && *s;)
470 snprintf (line, sizeof (line), "%i", PRVM_NUM_FOR_EDICT(PRVM_PROG_TO_EDICT(val->edict)));
473 f = pr_functions + val->function;
474 strlcpy (line, PRVM_GetString (f->s_name), sizeof (line));
477 def = PRVM_ED_FieldAtOfs ( val->_int );
478 snprintf (line, sizeof (line), ".%s", PRVM_GetString(def->s_name));
481 snprintf (line, sizeof (line), "void");
484 snprintf (line, sizeof (line), "%f", val->_float);
487 snprintf (line, sizeof (line), "%f %f %f", val->vector[0], val->vector[1], val->vector[2]);
490 snprintf (line, sizeof (line), "bad type %i", type);
501 Returns a string with a description and the contents of a global,
502 padded to 20 field width
505 char *PRVM_GlobalString (int ofs)
511 static char line[128];
513 val = (void *)&prog->globals[ofs];
514 def = PRVM_ED_GlobalAtOfs(ofs);
516 sprintf (line,"%i(?)", ofs);
519 s = PRVM_ValueString (def->type, val);
520 sprintf (line,"%i(%s)%s", ofs, PRVM_GetString(def->s_name), s);
531 char *PRVM_GlobalStringNoContents (int ofs)
535 static char line[128];
537 def = PRVM_ED_GlobalAtOfs(ofs);
539 sprintf (line,"%i(?)", ofs);
541 sprintf (line,"%i(%s)", ofs, PRVM_GetString(def->s_name));
559 // LordHavoc: optimized this to print out much more quickly (tempstring)
560 // LordHavoc: changed to print out every 4096 characters (incase there are a lot of fields to print)
561 void PRVM_ED_Print(prvm_edict_t *ed)
569 char tempstring[8192], tempstring2[260]; // temporary string buffers
573 Con_Printf("%s: FREE\n",PRVM_NAME);
578 sprintf(tempstring, "\n%s EDICT %i:\n", PRVM_NAME, PRVM_NUM_FOR_EDICT(ed));
579 for (i=1 ; i<prog->progs->numfielddefs ; i++)
581 d = &prog->fielddefs[i];
582 name = PRVM_GetString(d->s_name);
583 if (name[strlen(name)-2] == '_')
584 continue; // skip _x, _y, _z vars
586 v = (int *)((char *)ed->v + d->ofs*4);
588 // if the value is still all 0, skip the field
589 type = d->type & ~DEF_SAVEGLOBAL;
591 for (j=0 ; j<prvm_type_size[type] ; j++)
594 if (j == prvm_type_size[type])
597 if (strlen(name) > 256)
599 memcpy (tempstring2, name, 256);
600 tempstring2[256] = tempstring2[257] = tempstring2[258] = '.';
601 tempstring2[259] = 0;
604 strcat(tempstring, name);
605 for (l = strlen(name);l < 14;l++)
606 strcat(tempstring, " ");
607 strcat(tempstring, " ");
609 name = PRVM_ValueString(d->type, (prvm_eval_t *)v);
610 if (strlen(name) > 256)
612 memcpy (tempstring2, name, 256);
613 tempstring2[256] = tempstring2[257] = tempstring2[258] = '.';
614 tempstring2[259] = 0;
617 strcat(tempstring, name);
618 strcat(tempstring, "\n");
619 if (strlen(tempstring) >= 4096)
621 Con_Print(tempstring);
626 Con_Print(tempstring);
636 void PRVM_ED_Write (qfile_t *f, prvm_edict_t *ed)
652 for (i=1 ; i<prog->progs->numfielddefs ; i++)
654 d = &prog->fielddefs[i];
655 name = PRVM_GetString(d->s_name);
656 if (name[strlen(name)-2] == '_')
657 continue; // skip _x, _y, _z vars
659 v = (int *)((char *)ed->v + d->ofs*4);
661 // if the value is still all 0, skip the field
662 type = d->type & ~DEF_SAVEGLOBAL;
663 for (j=0 ; j<prvm_type_size[type] ; j++)
666 if (j == prvm_type_size[type])
669 FS_Printf(f,"\"%s\" ",name);
670 FS_Printf(f,"\"%s\"\n", PRVM_UglyValueString(d->type, (prvm_eval_t *)v));
676 void PRVM_ED_PrintNum (int ent)
678 PRVM_ED_Print(PRVM_EDICT_NUM(ent));
683 PRVM_ED_PrintEdicts_f
685 For debugging, prints all the entities in the current server
688 void PRVM_ED_PrintEdicts_f (void)
694 Con_Print("prvm_edicts <program name>\n");
699 if(!PRVM_SetProgFromString(Cmd_Argv(1)))
702 Con_Printf("%s: %i entities\n", PRVM_NAME, prog->num_edicts);
703 for (i=0 ; i<prog->num_edicts ; i++)
704 PRVM_ED_PrintNum (i);
713 For debugging, prints a single edict
716 void PRVM_ED_PrintEdict_f (void)
722 Con_Print("prvm_edict <program name> <edict number>\n");
727 if(!PRVM_SetProgFromString(Cmd_Argv(1)))
730 i = atoi (Cmd_Argv(2));
731 if (i >= prog->num_edicts)
733 Con_Print("Bad edict number\n");
737 PRVM_ED_PrintNum (i);
749 // 2 possibilities : 1. just displaying the active edict count
750 // 2. making a function pointer [x]
751 void PRVM_ED_Count_f (void)
759 Con_Print("prvm_count <program name>\n");
764 if(!PRVM_SetProgFromString(Cmd_Argv(1)))
767 if(prog->count_edicts)
768 prog->count_edicts();
772 for (i=0 ; i<prog->num_edicts ; i++)
774 ent = PRVM_EDICT_NUM(i);
780 Con_Printf("num_edicts:%3i\n", prog->num_edicts);
781 Con_Printf("active :%3i\n", active);
788 ==============================================================================
792 FIXME: need to tag constants, doesn't really work
793 ==============================================================================
801 void PRVM_ED_WriteGlobals (qfile_t *f)
809 for (i=0 ; i<prog->progs->numglobaldefs ; i++)
811 def = &prog->globaldefs[i];
813 if ( !(def->type & DEF_SAVEGLOBAL) )
815 type &= ~DEF_SAVEGLOBAL;
817 if (type != ev_string && type != ev_float && type != ev_entity)
820 name = PRVM_GetString(def->s_name);
821 FS_Printf(f,"\"%s\" ", name);
822 FS_Printf(f,"\"%s\"\n", PRVM_UglyValueString(type, (prvm_eval_t *)&prog->globals[def->ofs]));
832 void PRVM_ED_ParseGlobals (const char *data)
834 char keyname[1024]; // LordHavoc: good idea? bad idea? was 64
840 if (!COM_ParseToken(&data, false))
841 PRVM_ERROR ("PRVM_ED_ParseEntity: EOF without closing brace");
842 if (com_token[0] == '}')
845 strcpy (keyname, com_token);
848 if (!COM_ParseToken(&data, false))
849 PRVM_ERROR ("PRVM_ED_ParseEntity: EOF without closing brace");
851 if (com_token[0] == '}')
852 PRVM_ERROR ("PRVM_ED_ParseEntity: closing brace without data");
854 key = PRVM_ED_FindGlobal (keyname);
857 Con_DPrintf("'%s' is not a global on %s\n", keyname, PRVM_NAME);
861 if (!PRVM_ED_ParseEpair(NULL, key, com_token))
862 PRVM_ERROR ("PRVM_ED_ParseGlobals: parse error");
866 //============================================================================
874 char *PRVM_ED_NewString (const char *string)
879 l = strlen(string) + 1;
880 new = Mem_Alloc(prog->edictstring_mempool, l);
883 for (i=0 ; i< l ; i++)
885 if (string[i] == '\\' && i < l-1)
888 if (string[i] == 'n')
894 *new_p++ = string[i];
904 Can parse either fields or globals
905 returns false if error
908 qboolean PRVM_ED_ParseEpair(prvm_edict_t *ent, ddef_t *key, const char *s)
916 val = (prvm_eval_t *)((int *)ent->v + key->ofs);
918 val = (prvm_eval_t *)((int *)pr_globals + key->ofs);
919 switch (key->type & ~DEF_SAVEGLOBAL)
922 val->string = PRVM_SetString(PRVM_ED_NewString(s));
926 while (*s && *s <= ' ')
928 val->_float = atof(s);
932 for (i = 0;i < 3;i++)
934 while (*s && *s <= ' ')
938 val->vector[i] = atof(s);
947 while (*s && *s <= ' ')
950 if (i < 0 || i >= MAX_EDICTS)
951 Con_Printf("PRVM_ED_ParseEpair: ev_entity reference too large (edict %i >= MAX_EDICTS %i) on %s\n", i, MAX_EDICTS, PRVM_NAME);
952 while (i >= prog->max_edicts)
953 PRVM_MEM_IncreaseEdicts();
954 //SV_IncreaseEdicts();
955 // if SV_IncreaseEdicts was called the base pointer needs to be updated
957 val = (prvm_eval_t *)((int *)ent->v + key->ofs);
958 val->edict = PRVM_EDICT_TO_PROG(EDICT_NUM(i));
962 def = PRVM_ED_FindField(s);
965 Con_DPrintf("PRVM_ED_ParseEpair: Can't find field %s in %s\n", s, PRVM_NAME);
968 val->_int = PRVM_G_INT(def->ofs);
972 func = PRVM_ED_FindFunction(s);
975 Con_Printf("PRVM_ED_ParseEpair: Can't find function %s in %s\n", s, PRVM_NAME);
978 val->function = func - prog->functions;
982 Con_Printf("PRVM_ED_ParseEpair: Unknown key->type %i for key \"%s\" on %s\n", key->type, PR_GetString(key->s_name), PRVM_NAME);
992 Console command to set a field of a specified edict
995 void PRVM_ED_EdictSet_f(void)
1002 Con_Print("prvm_edictset <program name> <edict number> <field> <value>\n");
1007 if(!PRVM_SetProgFromString(Cmd_Argv(1)))
1009 Con_Printf("Wrong program name %s !\n", Cmd_Argv(1));
1013 ed = PRVM_EDICT_NUM(atoi(Cmd_Argv(2)));
1015 if((key = PRVM_ED_FindField(Cmd_Argv(3))) == 0)
1017 Con_Printf("Key %s not found !\n", Cmd_Argv(3));
1021 PRVM_ED_ParseEpair(ed, key, Cmd_Argv(4));
1027 ====================
1030 Parses an edict out of the given string, returning the new position
1031 ed should be a properly initialized empty edict.
1032 Used for initial level load and for savegames.
1033 ====================
1035 const char *PRVM_ED_ParseEdict (const char *data, prvm_edict_t *ent)
1045 // go through all the dictionary pairs
1049 if (!COM_ParseToken(&data, false))
1050 PRVM_ERROR ("PRVM_ED_ParseEntity: EOF without closing brace");
1051 if (com_token[0] == '}')
1054 // anglehack is to allow QuakeEd to write single scalar angles
1055 // and allow them to be turned into vectors. (FIXME...)
1056 if (!strcmp(com_token, "angle"))
1058 strcpy (com_token, "angles");
1064 // FIXME: change light to _light to get rid of this hack
1065 if (!strcmp(com_token, "light"))
1066 strcpy (com_token, "light_lev"); // hack for single light def
1068 strcpy (keyname, com_token);
1070 // another hack to fix keynames with trailing spaces
1071 n = strlen(keyname);
1072 while (n && keyname[n-1] == ' ')
1079 if (!COM_ParseToken(&data, false))
1080 PRVM_ERROR ("PRVM_ED_ParseEntity: EOF without closing brace");
1082 if (com_token[0] == '}')
1083 PRVM_ERROR ("PRVM_ED_ParseEntity: closing brace without data");
1087 // keynames with a leading underscore are used for utility comments,
1088 // and are immediately discarded by quake
1089 if (keyname[0] == '_')
1092 key = PRVM_ED_FindField (keyname);
1095 Con_DPrintf("%s: '%s' is not a field\n", PRVM_NAME, keyname);
1102 strcpy (temp, com_token);
1103 sprintf (com_token, "0 %s 0", temp);
1106 if (!PRVM_ED_ParseEpair(ent, key, com_token))
1107 PRVM_ERROR ("PRVM_ED_ParseEdict: parse error");
1111 ent->p.e->free = true;
1119 PRVM_ED_LoadFromFile
1121 The entities are directly placed in the array, rather than allocated with
1122 PRVM_ED_Alloc, because otherwise an error loading the map would have entity
1123 number references out of order.
1125 Creates a server's entity / program execution context by
1126 parsing textual entity definitions out of an ent file.
1128 Used for both fresh maps and savegame loads. A fresh map would also need
1129 to call PRVM_ED_CallSpawnFunctions () to let the objects initialize themselves.
1132 void PRVM_ED_LoadFromFile (const char *data)
1135 int parsed, inhibited, spawned, died;
1147 // parse the opening brace
1148 if (!COM_ParseToken(&data, false))
1150 if (com_token[0] != '{')
1151 PRVM_ERROR ("PRVM_ED_LoadFromFile: %s: found %s when expecting {", PRVM_NAME, com_token);
1153 // CHANGED: this is not conform to ED_LoadFromFile
1154 if(!prog->num_edicts)
1155 ent = PRVM_EDICT_NUM(0);
1157 ent = PRVM_ED_Alloc();
1160 if (ent != prog->edicts) // hack
1161 memset (ent->v, 0, prog->progs->entityfields * 4);
1163 data = PRVM_ED_ParseEdict (data, ent);
1166 // remove the entity ?
1167 if(prog->load_edict && !prog->load_edict(ent))
1175 // immediately call spawn function, but only if there is a self global and a classname
1177 if(prog->self && prog->flag & PRVM_FE_CLASSNAME)
1179 string_t handle = *(string_t*)&((float*)ent->v)[PRVM_ED_FindFieldOffset("classname")];
1182 Con_Print("No classname for:\n");
1188 // look for the spawn function
1189 func = PRVM_ED_FindFunction (PRVM_GetString(handle));
1193 if (developer.integer) // don't confuse non-developers with errors
1195 Con_Print("No spawn function for:\n");
1203 PRVM_G_INT(prog->self->ofs) = PRVM_EDICT_TO_PROG(ent);
1204 PRVM_ExecuteProgram (func - prog->functions, "");
1212 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);
1217 typedef struct dpfield_s
1224 #define DPFIELDS (sizeof(dpfields) / sizeof(dpfield_t))
1226 dpfield_t dpfields[] =
1237 void PRVM_ResetProg()
1239 /*mempool_t *t1, *t2, *t3;
1241 t1 = prog->progs_mempool;
1242 t2 = prog->edictstring_mempool;
1243 t3 = prog->edicts_mempool;
1245 Mem_EmptyPool(prog->progs_mempool);
1246 Mem_EmptyPool(prog->edictstring_mempool);
1247 Mem_EmptyPool(prog->edicts_mempool);*/
1248 Mem_FreePool(&prog->progs_mempool);
1249 Mem_FreePool(&prog->edictstring_mempool);
1250 Mem_FreePool(&prog->edicts_mempool);
1252 memset(prog,0,sizeof(prvm_prog_t));
1254 /*prog->time = &prog->_time;
1256 prog->progs_mempool = t1;
1257 prog->edictstring_mempool = t2;
1258 prog->edicts_mempool = t3;*/
1260 PRVM_GCALL(reset_cmd)();
1268 void PRVM_LoadProgs (const char * filename, int numrequiredfunc, char **required_func)
1272 ddef_t *infielddefs;
1273 dfunction_t *dfunctions;
1275 Mem_EmptyPool(prog->progs_mempool);
1276 Mem_EmptyPool(prog->edictstring_mempool);
1278 prog->progs = (dprograms_t *)FS_LoadFile (filename, prog->progs_mempool, false);
1279 if (prog->progs == NULL)
1280 PRVM_ERROR ("PRVM_LoadProgs: couldn't load %s for %s", filename, PRVM_NAME);
1282 Con_DPrintf("%s programs occupy %iK.\n", PRVM_NAME, fs_filesize/1024);
1284 pr_crc = CRC_Block((qbyte *)prog->progs, fs_filesize);
1286 // byte swap the header
1287 for (i = 0;i < (int) sizeof(*prog->progs) / 4;i++)
1288 ((int *)prog->progs)[i] = LittleLong ( ((int *)prog->progs)[i] );
1290 if (prog->progs->version != PROG_VERSION)
1291 PRVM_ERROR ("%s: %s has wrong version number (%i should be %i)", PRVM_NAME, filename, prog->progs->version, PROG_VERSION);
1292 if (prog->progs->crc != prog->crc)
1293 PRVM_ERROR ("%s: %s system vars have been modified, progdefs.h is out of date", PRVM_NAME, filename);
1295 //pr_functions = (dfunction_t *)((qbyte *)progs + progs->ofs_functions);
1296 dfunctions = (dfunction_t *)((qbyte *)prog->progs + prog->progs->ofs_functions);
1297 prog->strings = (char *)prog->progs + prog->progs->ofs_strings;
1298 prog->globaldefs = (ddef_t *)((qbyte *)prog->progs + prog->progs->ofs_globaldefs);
1300 // we need to expand the fielddefs list to include all the engine fields,
1301 // so allocate a new place for it
1302 infielddefs = (ddef_t *)((qbyte *)prog->progs + prog->progs->ofs_fielddefs);
1304 prog->fielddefs = Mem_Alloc(prog->progs_mempool, prog->progs->numfielddefs * sizeof(ddef_t));
1306 prog->statements = (dstatement_t *)((qbyte *)prog->progs + prog->progs->ofs_statements);
1308 // moved edict_size calculation down below field adding code
1310 //pr_global_struct = (globalvars_t *)((qbyte *)progs + progs->ofs_globals);
1311 prog->globals = (float *)((qbyte *)prog->progs + prog->progs->ofs_globals);
1313 // byte swap the lumps
1314 for (i=0 ; i<prog->progs->numstatements ; i++)
1316 prog->statements[i].op = LittleShort(prog->statements[i].op);
1317 prog->statements[i].a = LittleShort(prog->statements[i].a);
1318 prog->statements[i].b = LittleShort(prog->statements[i].b);
1319 prog->statements[i].c = LittleShort(prog->statements[i].c);
1322 prog->functions = Mem_Alloc(prog->progs_mempool, sizeof(mfunction_t) * prog->progs->numfunctions);
1323 for (i = 0;i < prog->progs->numfunctions;i++)
1325 prog->functions[i].first_statement = LittleLong (dfunctions[i].first_statement);
1326 prog->functions[i].parm_start = LittleLong (dfunctions[i].parm_start);
1327 prog->functions[i].s_name = LittleLong (dfunctions[i].s_name);
1328 prog->functions[i].s_file = LittleLong (dfunctions[i].s_file);
1329 prog->functions[i].numparms = LittleLong (dfunctions[i].numparms);
1330 prog->functions[i].locals = LittleLong (dfunctions[i].locals);
1331 memcpy(prog->functions[i].parm_size, dfunctions[i].parm_size, sizeof(dfunctions[i].parm_size));
1334 for (i=0 ; i<prog->progs->numglobaldefs ; i++)
1336 prog->globaldefs[i].type = LittleShort (prog->globaldefs[i].type);
1337 prog->globaldefs[i].ofs = LittleShort (prog->globaldefs[i].ofs);
1338 prog->globaldefs[i].s_name = LittleLong (prog->globaldefs[i].s_name);
1341 // copy the progs fields to the new fields list
1342 for (i = 0;i < prog->progs->numfielddefs;i++)
1344 prog->fielddefs[i].type = LittleShort (infielddefs[i].type);
1345 if (prog->fielddefs[i].type & DEF_SAVEGLOBAL)
1346 PRVM_ERROR ("PRVM_LoadProgs: prog->fielddefs[i].type & DEF_SAVEGLOBAL in %s", PRVM_NAME);
1347 prog->fielddefs[i].ofs = LittleShort (infielddefs[i].ofs);
1348 prog->fielddefs[i].s_name = LittleLong (infielddefs[i].s_name);
1351 /* // append the darkplaces fields
1352 for (i = 0;i < (int) DPFIELDS;i++)
1354 pr_fielddefs[progs->numfielddefs].type = dpfields[i].type;
1355 pr_fielddefs[progs->numfielddefs].ofs = progs->entityfields;
1356 pr_fielddefs[progs->numfielddefs].s_name = PR_SetString(dpfields[i].string);
1357 if (pr_fielddefs[progs->numfielddefs].type == ev_vector)
1358 progs->entityfields += 3;
1360 progs->entityfields++;
1361 progs->numfielddefs++;
1364 // check required functions
1365 for(i=0 ; i < numrequiredfunc ; i++)
1366 if(PRVM_ED_FindFunction(required_func[i]) == 0)
1367 PRVM_ERROR("%s: %s not found in %s\n",PRVM_NAME, required_func[i], filename);
1369 for (i=0 ; i<prog->progs->numglobals ; i++)
1370 ((int *)prog->globals)[i] = LittleLong (((int *)prog->globals)[i]);
1372 // moved edict_size calculation down here, below field adding code
1373 // LordHavoc: this no longer includes the edict_t header
1374 prog->edict_size = prog->progs->entityfields * 4;
1375 prog->edictareasize = prog->edict_size * MAX_EDICTS;
1377 // LordHavoc: bounds check anything static
1378 for (i = 0,st = prog->statements;i < prog->progs->numstatements;i++,st++)
1384 if ((unsigned short) st->a >= prog->progs->numglobals || st->b + i < 0 || st->b + i >= prog->progs->numstatements)
1385 PRVM_ERROR("PRVM_LoadProgs: out of bounds IF/IFNOT (statement %d) in %s\n", i, PRVM_NAME);
1388 if (st->a + i < 0 || st->a + i >= prog->progs->numstatements)
1389 PRVM_ERROR("PRVM_LoadProgs: out of bounds GOTO (statement %d) in %s\n", i, PRVM_NAME);
1391 // global global global
1426 if ((unsigned short) st->a >= prog->progs->numglobals || (unsigned short) st->b >= prog->progs->numglobals || (unsigned short) st->c >= prog->progs->numglobals)
1427 PRVM_ERROR("PRVM_LoadProgs: out of bounds global index (statement %d)\n", i);
1429 // global none global
1435 if ((unsigned short) st->a >= prog->progs->numglobals || (unsigned short) st->c >= prog->progs->numglobals)
1436 PRVM_ERROR("PRVM_LoadProgs: out of bounds global index (statement %d) in %s\n", i, PRVM_NAME);
1452 if ((unsigned short) st->a >= prog->progs->numglobals || (unsigned short) st->b >= prog->progs->numglobals)
1453 PRVM_ERROR("PRVM_LoadProgs: out of bounds global index (statement %d)\n in %s", i, PRVM_NAME);
1467 if ((unsigned short) st->a >= prog->progs->numglobals)
1468 PRVM_ERROR("PRVM_LoadProgs: out of bounds global index (statement %d) in %s\n", i, PRVM_NAME);
1471 PRVM_ERROR("PRVM_LoadProgs: unknown opcode %d at statement %d in %s\n", st->op, i, PRVM_NAME);
1478 prog->loaded = TRUE;
1480 // set flags & ddef_ts in prog
1484 prog->self = PRVM_ED_FindGlobal("self");
1486 if(PRVM_ED_FindGlobal("time"))
1487 prog->time = &PRVM_G_FLOAT(PRVM_ED_FindGlobal("time")->ofs);
1489 if(PRVM_ED_FindField ("chain"))
1490 prog->flag |= PRVM_FE_CHAIN;
1492 if(PRVM_ED_FindField ("classname"))
1493 prog->flag |= PRVM_FE_CLASSNAME;
1495 if(PRVM_ED_FindField ("nextthink") && PRVM_ED_FindField ("frame") && PRVM_ED_FindField ("think")
1496 && prog->flag && prog->self)
1497 prog->flag |= PRVM_OP_STATE;
1499 PRVM_GCALL(reset_cmd)();
1500 PRVM_GCALL(init_cmd)();
1507 void PRVM_Fields_f (void)
1509 int i, j, ednum, used, usedamount;
1511 char tempstring[5000], tempstring2[260], *name;
1520 Con_Print("no progs loaded\n");
1527 Con_Print("prvm_fields <program name>\n");
1532 if(!PRVM_SetProgFromString(Cmd_Argv(1)))
1535 counts = Mem_Alloc(tempmempool, prog->progs->numfielddefs * sizeof(int));
1536 for (ednum = 0;ednum < prog->max_edicts;ednum++)
1538 ed = PRVM_EDICT_NUM(ednum);
1541 for (i = 1;i < prog->progs->numfielddefs;i++)
1543 d = &prog->fielddefs[i];
1544 name = PRVM_GetString(d->s_name);
1545 if (name[strlen(name)-2] == '_')
1546 continue; // skip _x, _y, _z vars
1547 v = (int *)((char *)ed->v + d->ofs*4);
1548 // if the value is still all 0, skip the field
1549 for (j = 0;j < prvm_type_size[d->type & ~DEF_SAVEGLOBAL];j++)
1562 for (i = 0;i < prog->progs->numfielddefs;i++)
1564 d = &prog->fielddefs[i];
1565 name = PRVM_GetString(d->s_name);
1566 if (name[strlen(name)-2] == '_')
1567 continue; // skip _x, _y, _z vars
1568 switch(d->type & ~DEF_SAVEGLOBAL)
1571 strcat(tempstring, "string ");
1574 strcat(tempstring, "entity ");
1577 strcat(tempstring, "function ");
1580 strcat(tempstring, "field ");
1583 strcat(tempstring, "void ");
1586 strcat(tempstring, "float ");
1589 strcat(tempstring, "vector ");
1592 strcat(tempstring, "pointer ");
1595 sprintf (tempstring2, "bad type %i ", d->type & ~DEF_SAVEGLOBAL);
1596 strcat(tempstring, tempstring2);
1599 if (strlen(name) > 256)
1601 memcpy (tempstring2, name, 256);
1602 tempstring2[256] = tempstring2[257] = tempstring2[258] = '.';
1603 tempstring2[259] = 0;
1606 strcat(tempstring, name);
1607 for (j = strlen(name);j < 25;j++)
1608 strcat(tempstring, " ");
1609 sprintf(tempstring2, "%5d", counts[i]);
1610 strcat(tempstring, tempstring2);
1611 strcat(tempstring, "\n");
1612 if (strlen(tempstring) >= 4096)
1614 Con_Print(tempstring);
1620 usedamount += prvm_type_size[d->type & ~DEF_SAVEGLOBAL];
1624 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);
1629 void PRVM_Globals_f (void)
1635 Con_Print("no progs loaded\n");
1638 if(Cmd_Argc () != 2)
1640 Con_Print("prvm_globals <program name>\n");
1645 if(!PRVM_SetProgFromString (Cmd_Argv (1)))
1648 Con_Printf("%s :", PRVM_NAME);
1650 for (i = 0;i < prog->progs->numglobaldefs;i++)
1651 Con_Printf("%s\n", PRVM_GetString(prog->globaldefs[i].s_name));
1652 Con_Printf("%i global variables, totalling %i bytes\n", prog->progs->numglobals, prog->progs->numglobals * 4);
1662 void PRVM_Global_f(void)
1665 if( Cmd_Argc() != 3 ) {
1666 Con_Printf( "prvm_global <program name> <global name>\n" );
1671 if( !PRVM_SetProgFromString( Cmd_Argv(1) ) )
1674 global = PRVM_ED_FindGlobal( Cmd_Argv(2) );
1676 Con_Printf( "No global '%s' in %s!\n", Cmd_Argv(2), Cmd_Argv(1) );
1678 Con_Printf( "%s: %s\n", Cmd_Argv(2), PRVM_ValueString( global->type, (prvm_eval_t *) &prog->globals[ global->ofs ] ) );
1687 void PRVM_Init (void)
1689 Cmd_AddCommand ("prvm_edict", PRVM_ED_PrintEdict_f);
1690 Cmd_AddCommand ("prvm_edicts", PRVM_ED_PrintEdicts_f);
1691 Cmd_AddCommand ("prvm_edictcount", PRVM_ED_Count_f);
1692 Cmd_AddCommand ("prvm_profile", PRVM_Profile_f);
1693 Cmd_AddCommand ("prvm_fields", PRVM_Fields_f);
1694 Cmd_AddCommand ("prvm_globals", PRVM_Globals_f);
1695 Cmd_AddCommand ("prvm_global", PRVM_Global_f);
1696 Cmd_AddCommand ("prvm_edictset", PRVM_ED_EdictSet_f);
1697 // LordHavoc: optional runtime bounds checking (speed drain, but worth it for security, on by default - breaks most QCCX features (used by CRMod and others))
1698 Cvar_RegisterVariable (&prvm_boundscheck);
1699 Cvar_RegisterVariable (&prvm_traceqc);
1709 void PRVM_InitProg(int prognr)
1711 if(prognr < 0 || prognr >= PRVM_MAXPROGS)
1712 Sys_Error("PRVM_InitProg: Invalid program number %i\n",prognr);
1714 prog = &prog_list[prognr];
1719 memset(prog, 0, sizeof(prvm_prog_t));
1721 prog->time = &prog->_time;
1724 int PRVM_GetProgNr()
1726 return prog - prog_list;
1729 // LordHavoc: turned PRVM_EDICT_NUM into a #define for speed reasons
1730 prvm_edict_t *PRVM_EDICT_NUM_ERROR(int n, char *filename, int fileline)
1732 PRVM_ERROR ("PRVM_EDICT_NUM: %s: bad number %i (called at %s:%i)", PRVM_NAME, n, filename, fileline);
1736 void PRVM_ProcessError(void)
1739 PRVM_GCALL(error_cmd)();
1743 int NUM_FOR_EDICT_ERROR(edict_t *e)
1745 Host_Error ("NUM_FOR_EDICT: bad pointer %p (world is %p, entity number would be %i)", e, sv.edicts, e - sv.edicts);
1749 int NUM_FOR_EDICT(edict_t *e)
1753 if ((unsigned int)n >= MAX_EDICTS)
1754 Host_Error ("NUM_FOR_EDICT: bad pointer");
1758 //int NoCrash_NUM_FOR_EDICT(edict_t *e)
1760 // return e - sv.edicts;
1763 //#define EDICT_TO_PROG(e) ((qbyte *)(((edict_t *)e)->v) - (qbyte *)(sv.edictsfields))
1764 //#define PROG_TO_EDICT(e) (sv.edicts + ((e) / (progs->entityfields * 4)))
1765 int EDICT_TO_PROG(edict_t *e)
1769 if ((unsigned int)n >= (unsigned int)sv.max_edicts)
1770 Host_Error("EDICT_TO_PROG: invalid edict %8p (number %i compared to world at %8p)\n", e, n, sv.edicts);
1771 return n;// EXPERIMENTAL
1772 //return (qbyte *)e->v - (qbyte *)sv.edictsfields;
1774 edict_t *PROG_TO_EDICT(int n)
1776 if ((unsigned int)n >= (unsigned int)sv.max_edicts)
1777 Host_Error("PROG_TO_EDICT: invalid edict number %i\n", n);
1778 return sv.edicts + n; // EXPERIMENTAL
1779 //return sv.edicts + ((n) / (progs->entityfields * 4));