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->progs_mempool,prog->limit_edicts * sizeof(prvm_edict_t));
65 // alloc edict private space
66 prog->edictprivate = Mem_Alloc(prog->progs_mempool, prog->max_edicts * prog->edictprivate_size);
69 prog->edictsfields = Mem_Alloc(prog->progs_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->progs_mempool, prog->max_edicts * prog->edict_size);
100 prog->edictprivate = Mem_Alloc(prog->progs_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 dpsnprintf (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 dpsnprintf (line, sizeof (line), ".%s", PRVM_GetString(def->s_name));
481 dpsnprintf (line, sizeof (line), "void");
484 dpsnprintf (line, sizeof (line), "%f", val->_float);
487 dpsnprintf (line, sizeof (line), "%f %f %f", val->vector[0], val->vector[1], val->vector[2]);
490 dpsnprintf (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->progs_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 *)prog->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 = 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)
1016 Con_Printf("Key %s not found !\n", Cmd_Argv(3));
1018 PRVM_ED_ParseEpair(ed, key, Cmd_Argv(4));
1024 ====================
1027 Parses an edict out of the given string, returning the new position
1028 ed should be a properly initialized empty edict.
1029 Used for initial level load and for savegames.
1030 ====================
1032 const char *PRVM_ED_ParseEdict (const char *data, prvm_edict_t *ent)
1042 // go through all the dictionary pairs
1046 if (!COM_ParseToken(&data, false))
1047 PRVM_ERROR ("PRVM_ED_ParseEntity: EOF without closing brace");
1048 if (com_token[0] == '}')
1051 // anglehack is to allow QuakeEd to write single scalar angles
1052 // and allow them to be turned into vectors. (FIXME...)
1053 if (!strcmp(com_token, "angle"))
1055 strcpy (com_token, "angles");
1061 // FIXME: change light to _light to get rid of this hack
1062 if (!strcmp(com_token, "light"))
1063 strcpy (com_token, "light_lev"); // hack for single light def
1065 strcpy (keyname, com_token);
1067 // another hack to fix keynames with trailing spaces
1068 n = strlen(keyname);
1069 while (n && keyname[n-1] == ' ')
1076 if (!COM_ParseToken(&data, false))
1077 PRVM_ERROR ("PRVM_ED_ParseEntity: EOF without closing brace");
1079 if (com_token[0] == '}')
1080 PRVM_ERROR ("PRVM_ED_ParseEntity: closing brace without data");
1084 // keynames with a leading underscore are used for utility comments,
1085 // and are immediately discarded by quake
1086 if (keyname[0] == '_')
1089 key = PRVM_ED_FindField (keyname);
1092 Con_DPrintf("%s: '%s' is not a field\n", PRVM_NAME, keyname);
1099 strcpy (temp, com_token);
1100 sprintf (com_token, "0 %s 0", temp);
1103 if (!PRVM_ED_ParseEpair(ent, key, com_token))
1104 PRVM_ERROR ("PRVM_ED_ParseEdict: parse error");
1108 ent->p.e->free = true;
1116 PRVM_ED_LoadFromFile
1118 The entities are directly placed in the array, rather than allocated with
1119 PRVM_ED_Alloc, because otherwise an error loading the map would have entity
1120 number references out of order.
1122 Creates a server's entity / program execution context by
1123 parsing textual entity definitions out of an ent file.
1125 Used for both fresh maps and savegame loads. A fresh map would also need
1126 to call PRVM_ED_CallSpawnFunctions () to let the objects initialize themselves.
1129 void PRVM_ED_LoadFromFile (const char *data)
1132 int parsed, inhibited, spawned, died;
1144 // parse the opening brace
1145 if (!COM_ParseToken(&data, false))
1147 if (com_token[0] != '{')
1148 PRVM_ERROR ("PRVM_ED_LoadFromFile: %s: found %s when expecting {", PRVM_NAME, com_token);
1150 // CHANGED: this is not conform to ED_LoadFromFile
1151 if(!prog->num_edicts)
1152 ent = PRVM_EDICT_NUM(0);
1154 ent = PRVM_ED_Alloc();
1157 if (ent != prog->edicts) // hack
1158 memset (ent->v, 0, prog->progs->entityfields * 4);
1160 data = PRVM_ED_ParseEdict (data, ent);
1163 // remove the entity ?
1164 if(prog->load_edict && !prog->load_edict(ent))
1172 // immediately call spawn function, but only if there is a self global and a classname
1174 if(prog->self && prog->flag & PRVM_FE_CLASSNAME)
1176 string_t handle = *(string_t*)&((float*)ent->v)[PRVM_ED_FindFieldOffset("classname")];
1179 Con_Print("No classname for:\n");
1185 // look for the spawn function
1186 func = PRVM_ED_FindFunction (PRVM_GetString(handle));
1190 if (developer.integer) // don't confuse non-developers with errors
1192 Con_Print("No spawn function for:\n");
1200 PRVM_G_INT(prog->self->ofs) = PRVM_EDICT_TO_PROG(ent);
1201 PRVM_ExecuteProgram (func - prog->functions, "");
1209 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);
1214 typedef struct dpfield_s
1221 #define DPFIELDS (sizeof(dpfields) / sizeof(dpfield_t))
1223 dpfield_t dpfields[] =
1234 void PRVM_ResetProg()
1238 t1 = prog->progs_mempool;
1240 Mem_EmptyPool(prog->progs_mempool);*/
1241 Mem_FreePool(&prog->progs_mempool);
1243 memset(prog,0,sizeof(prvm_prog_t));
1245 /*prog->time = &prog->_time;
1247 prog->progs_mempool = t1;*/
1249 PRVM_GCALL(reset_cmd)();
1257 void PRVM_LoadProgs (const char * filename, int numrequiredfunc, char **required_func)
1261 ddef_t *infielddefs;
1262 dfunction_t *dfunctions;
1264 Mem_EmptyPool(prog->progs_mempool);
1266 prog->progs = (dprograms_t *)FS_LoadFile (filename, prog->progs_mempool, false);
1267 if (prog->progs == NULL)
1268 PRVM_ERROR ("PRVM_LoadProgs: couldn't load %s for %s", filename, PRVM_NAME);
1270 Con_DPrintf("%s programs occupy %iK.\n", PRVM_NAME, fs_filesize/1024);
1272 pr_crc = CRC_Block((qbyte *)prog->progs, fs_filesize);
1274 // byte swap the header
1275 for (i = 0;i < (int) sizeof(*prog->progs) / 4;i++)
1276 ((int *)prog->progs)[i] = LittleLong ( ((int *)prog->progs)[i] );
1278 if (prog->progs->version != PROG_VERSION)
1279 PRVM_ERROR ("%s: %s has wrong version number (%i should be %i)", PRVM_NAME, filename, prog->progs->version, PROG_VERSION);
1280 if (prog->progs->crc != prog->crc)
1281 PRVM_ERROR ("%s: %s system vars have been modified, progdefs.h is out of date", PRVM_NAME, filename);
1283 //pr_functions = (dfunction_t *)((qbyte *)progs + progs->ofs_functions);
1284 dfunctions = (dfunction_t *)((qbyte *)prog->progs + prog->progs->ofs_functions);
1285 prog->strings = (char *)prog->progs + prog->progs->ofs_strings;
1286 prog->globaldefs = (ddef_t *)((qbyte *)prog->progs + prog->progs->ofs_globaldefs);
1288 // we need to expand the fielddefs list to include all the engine fields,
1289 // so allocate a new place for it
1290 infielddefs = (ddef_t *)((qbyte *)prog->progs + prog->progs->ofs_fielddefs);
1292 prog->fielddefs = Mem_Alloc(prog->progs_mempool, prog->progs->numfielddefs * sizeof(ddef_t));
1294 prog->statements = (dstatement_t *)((qbyte *)prog->progs + prog->progs->ofs_statements);
1296 // moved edict_size calculation down below field adding code
1298 //pr_global_struct = (globalvars_t *)((qbyte *)progs + progs->ofs_globals);
1299 prog->globals = (float *)((qbyte *)prog->progs + prog->progs->ofs_globals);
1301 // byte swap the lumps
1302 for (i=0 ; i<prog->progs->numstatements ; i++)
1304 prog->statements[i].op = LittleShort(prog->statements[i].op);
1305 prog->statements[i].a = LittleShort(prog->statements[i].a);
1306 prog->statements[i].b = LittleShort(prog->statements[i].b);
1307 prog->statements[i].c = LittleShort(prog->statements[i].c);
1310 prog->functions = Mem_Alloc(prog->progs_mempool, sizeof(mfunction_t) * prog->progs->numfunctions);
1311 for (i = 0;i < prog->progs->numfunctions;i++)
1313 prog->functions[i].first_statement = LittleLong (dfunctions[i].first_statement);
1314 prog->functions[i].parm_start = LittleLong (dfunctions[i].parm_start);
1315 prog->functions[i].s_name = LittleLong (dfunctions[i].s_name);
1316 prog->functions[i].s_file = LittleLong (dfunctions[i].s_file);
1317 prog->functions[i].numparms = LittleLong (dfunctions[i].numparms);
1318 prog->functions[i].locals = LittleLong (dfunctions[i].locals);
1319 memcpy(prog->functions[i].parm_size, dfunctions[i].parm_size, sizeof(dfunctions[i].parm_size));
1322 for (i=0 ; i<prog->progs->numglobaldefs ; i++)
1324 prog->globaldefs[i].type = LittleShort (prog->globaldefs[i].type);
1325 prog->globaldefs[i].ofs = LittleShort (prog->globaldefs[i].ofs);
1326 prog->globaldefs[i].s_name = LittleLong (prog->globaldefs[i].s_name);
1329 // copy the progs fields to the new fields list
1330 for (i = 0;i < prog->progs->numfielddefs;i++)
1332 prog->fielddefs[i].type = LittleShort (infielddefs[i].type);
1333 if (prog->fielddefs[i].type & DEF_SAVEGLOBAL)
1334 PRVM_ERROR ("PRVM_LoadProgs: prog->fielddefs[i].type & DEF_SAVEGLOBAL in %s", PRVM_NAME);
1335 prog->fielddefs[i].ofs = LittleShort (infielddefs[i].ofs);
1336 prog->fielddefs[i].s_name = LittleLong (infielddefs[i].s_name);
1339 /* // append the darkplaces fields
1340 for (i = 0;i < (int) DPFIELDS;i++)
1342 pr_fielddefs[progs->numfielddefs].type = dpfields[i].type;
1343 pr_fielddefs[progs->numfielddefs].ofs = progs->entityfields;
1344 pr_fielddefs[progs->numfielddefs].s_name = PR_SetString(dpfields[i].string);
1345 if (pr_fielddefs[progs->numfielddefs].type == ev_vector)
1346 progs->entityfields += 3;
1348 progs->entityfields++;
1349 progs->numfielddefs++;
1352 // check required functions
1353 for(i=0 ; i < numrequiredfunc ; i++)
1354 if(PRVM_ED_FindFunction(required_func[i]) == 0)
1355 PRVM_ERROR("%s: %s not found in %s\n",PRVM_NAME, required_func[i], filename);
1357 for (i=0 ; i<prog->progs->numglobals ; i++)
1358 ((int *)prog->globals)[i] = LittleLong (((int *)prog->globals)[i]);
1360 // moved edict_size calculation down here, below field adding code
1361 // LordHavoc: this no longer includes the edict_t header
1362 prog->edict_size = prog->progs->entityfields * 4;
1363 prog->edictareasize = prog->edict_size * MAX_EDICTS;
1365 // LordHavoc: bounds check anything static
1366 for (i = 0,st = prog->statements;i < prog->progs->numstatements;i++,st++)
1372 if ((unsigned short) st->a >= prog->progs->numglobals || st->b + i < 0 || st->b + i >= prog->progs->numstatements)
1373 PRVM_ERROR("PRVM_LoadProgs: out of bounds IF/IFNOT (statement %d) in %s\n", i, PRVM_NAME);
1376 if (st->a + i < 0 || st->a + i >= prog->progs->numstatements)
1377 PRVM_ERROR("PRVM_LoadProgs: out of bounds GOTO (statement %d) in %s\n", i, PRVM_NAME);
1379 // global global global
1414 if ((unsigned short) st->a >= prog->progs->numglobals || (unsigned short) st->b >= prog->progs->numglobals || (unsigned short) st->c >= prog->progs->numglobals)
1415 PRVM_ERROR("PRVM_LoadProgs: out of bounds global index (statement %d)\n", i);
1417 // global none global
1423 if ((unsigned short) st->a >= prog->progs->numglobals || (unsigned short) st->c >= prog->progs->numglobals)
1424 PRVM_ERROR("PRVM_LoadProgs: out of bounds global index (statement %d) in %s\n", i, PRVM_NAME);
1440 if ((unsigned short) st->a >= prog->progs->numglobals || (unsigned short) st->b >= prog->progs->numglobals)
1441 PRVM_ERROR("PRVM_LoadProgs: out of bounds global index (statement %d)\n in %s", i, PRVM_NAME);
1455 if ((unsigned short) st->a >= prog->progs->numglobals)
1456 PRVM_ERROR("PRVM_LoadProgs: out of bounds global index (statement %d) in %s\n", i, PRVM_NAME);
1459 PRVM_ERROR("PRVM_LoadProgs: unknown opcode %d at statement %d in %s\n", st->op, i, PRVM_NAME);
1466 prog->loaded = TRUE;
1468 // set flags & ddef_ts in prog
1472 prog->self = PRVM_ED_FindGlobal("self");
1474 if( PRVM_ED_FindGlobal("time") && PRVM_ED_FindGlobal("time")->type & ev_float )
1475 prog->time = &PRVM_G_FLOAT(PRVM_ED_FindGlobal("time")->ofs);
1477 if(PRVM_ED_FindField ("chain"))
1478 prog->flag |= PRVM_FE_CHAIN;
1480 if(PRVM_ED_FindField ("classname"))
1481 prog->flag |= PRVM_FE_CLASSNAME;
1483 if(PRVM_ED_FindField ("nextthink") && PRVM_ED_FindField ("frame") && PRVM_ED_FindField ("think")
1484 && prog->flag && prog->self)
1485 prog->flag |= PRVM_OP_STATE;
1487 PRVM_GCALL(reset_cmd)();
1488 PRVM_GCALL(init_cmd)();
1495 void PRVM_Fields_f (void)
1497 int i, j, ednum, used, usedamount;
1499 char tempstring[5000], tempstring2[260], *name;
1508 Con_Print("no progs loaded\n");
1515 Con_Print("prvm_fields <program name>\n");
1520 if(!PRVM_SetProgFromString(Cmd_Argv(1)))
1523 counts = Mem_Alloc(tempmempool, prog->progs->numfielddefs * sizeof(int));
1524 for (ednum = 0;ednum < prog->max_edicts;ednum++)
1526 ed = PRVM_EDICT_NUM(ednum);
1529 for (i = 1;i < prog->progs->numfielddefs;i++)
1531 d = &prog->fielddefs[i];
1532 name = PRVM_GetString(d->s_name);
1533 if (name[strlen(name)-2] == '_')
1534 continue; // skip _x, _y, _z vars
1535 v = (int *)((char *)ed->v + d->ofs*4);
1536 // if the value is still all 0, skip the field
1537 for (j = 0;j < prvm_type_size[d->type & ~DEF_SAVEGLOBAL];j++)
1550 for (i = 0;i < prog->progs->numfielddefs;i++)
1552 d = &prog->fielddefs[i];
1553 name = PRVM_GetString(d->s_name);
1554 if (name[strlen(name)-2] == '_')
1555 continue; // skip _x, _y, _z vars
1556 switch(d->type & ~DEF_SAVEGLOBAL)
1559 strcat(tempstring, "string ");
1562 strcat(tempstring, "entity ");
1565 strcat(tempstring, "function ");
1568 strcat(tempstring, "field ");
1571 strcat(tempstring, "void ");
1574 strcat(tempstring, "float ");
1577 strcat(tempstring, "vector ");
1580 strcat(tempstring, "pointer ");
1583 sprintf (tempstring2, "bad type %i ", d->type & ~DEF_SAVEGLOBAL);
1584 strcat(tempstring, tempstring2);
1587 if (strlen(name) > 256)
1589 memcpy (tempstring2, name, 256);
1590 tempstring2[256] = tempstring2[257] = tempstring2[258] = '.';
1591 tempstring2[259] = 0;
1594 strcat(tempstring, name);
1595 for (j = strlen(name);j < 25;j++)
1596 strcat(tempstring, " ");
1597 sprintf(tempstring2, "%5d", counts[i]);
1598 strcat(tempstring, tempstring2);
1599 strcat(tempstring, "\n");
1600 if (strlen(tempstring) >= 4096)
1602 Con_Print(tempstring);
1608 usedamount += prvm_type_size[d->type & ~DEF_SAVEGLOBAL];
1612 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);
1617 void PRVM_Globals_f (void)
1623 Con_Print("no progs loaded\n");
1626 if(Cmd_Argc () != 2)
1628 Con_Print("prvm_globals <program name>\n");
1633 if(!PRVM_SetProgFromString (Cmd_Argv (1)))
1636 Con_Printf("%s :", PRVM_NAME);
1638 for (i = 0;i < prog->progs->numglobaldefs;i++)
1639 Con_Printf("%s\n", PRVM_GetString(prog->globaldefs[i].s_name));
1640 Con_Printf("%i global variables, totalling %i bytes\n", prog->progs->numglobals, prog->progs->numglobals * 4);
1650 void PRVM_Global_f(void)
1653 if( Cmd_Argc() != 3 ) {
1654 Con_Printf( "prvm_global <program name> <global name>\n" );
1659 if( !PRVM_SetProgFromString( Cmd_Argv(1) ) )
1662 global = PRVM_ED_FindGlobal( Cmd_Argv(2) );
1664 Con_Printf( "No global '%s' in %s!\n", Cmd_Argv(2), Cmd_Argv(1) );
1666 Con_Printf( "%s: %s\n", Cmd_Argv(2), PRVM_ValueString( global->type, (prvm_eval_t *) &prog->globals[ global->ofs ] ) );
1675 void PRVM_GlobalSet_f(void)
1678 if( Cmd_Argc() != 4 ) {
1679 Con_Printf( "prvm_globalset <program name> <global name> <value>\n" );
1684 if( !PRVM_SetProgFromString( Cmd_Argv(1) ) )
1687 global = PRVM_ED_FindGlobal( Cmd_Argv(2) );
1689 Con_Printf( "No global '%s' in %s!\n", Cmd_Argv(2), Cmd_Argv(1) );
1691 PRVM_ED_ParseEpair( NULL, global, Cmd_Argv(3) );
1700 void PRVM_Init (void)
1702 Cmd_AddCommand ("prvm_edict", PRVM_ED_PrintEdict_f);
1703 Cmd_AddCommand ("prvm_edicts", PRVM_ED_PrintEdicts_f);
1704 Cmd_AddCommand ("prvm_edictcount", PRVM_ED_Count_f);
1705 Cmd_AddCommand ("prvm_profile", PRVM_Profile_f);
1706 Cmd_AddCommand ("prvm_fields", PRVM_Fields_f);
1707 Cmd_AddCommand ("prvm_globals", PRVM_Globals_f);
1708 Cmd_AddCommand ("prvm_global", PRVM_Global_f);
1709 Cmd_AddCommand ("prvm_globalset", PRVM_GlobalSet_f);
1710 Cmd_AddCommand ("prvm_edictset", PRVM_ED_EdictSet_f);
1711 // LordHavoc: optional runtime bounds checking (speed drain, but worth it for security, on by default - breaks most QCCX features (used by CRMod and others))
1712 Cvar_RegisterVariable (&prvm_boundscheck);
1713 Cvar_RegisterVariable (&prvm_traceqc);
1723 void PRVM_InitProg(int prognr)
1725 if(prognr < 0 || prognr >= PRVM_MAXPROGS)
1726 Sys_Error("PRVM_InitProg: Invalid program number %i\n",prognr);
1728 prog = &prog_list[prognr];
1733 memset(prog, 0, sizeof(prvm_prog_t));
1735 prog->time = &prog->_time;
1738 int PRVM_GetProgNr()
1740 return prog - prog_list;
1743 // LordHavoc: turned PRVM_EDICT_NUM into a #define for speed reasons
1744 prvm_edict_t *PRVM_EDICT_NUM_ERROR(int n, char *filename, int fileline)
1746 PRVM_ERROR ("PRVM_EDICT_NUM: %s: bad number %i (called at %s:%i)", PRVM_NAME, n, filename, fileline);
1750 void PRVM_ProcessError(void)
1753 PRVM_GCALL(error_cmd)();
1757 int NUM_FOR_EDICT_ERROR(edict_t *e)
1759 Host_Error ("NUM_FOR_EDICT: bad pointer %p (world is %p, entity number would be %i)", e, sv.edicts, e - sv.edicts);
1763 int NUM_FOR_EDICT(edict_t *e)
1767 if ((unsigned int)n >= MAX_EDICTS)
1768 Host_Error ("NUM_FOR_EDICT: bad pointer");
1772 //int NoCrash_NUM_FOR_EDICT(edict_t *e)
1774 // return e - sv.edicts;
1777 //#define EDICT_TO_PROG(e) ((qbyte *)(((edict_t *)e)->v) - (qbyte *)(sv.edictsfields))
1778 //#define PROG_TO_EDICT(e) (sv.edicts + ((e) / (progs->entityfields * 4)))
1779 int EDICT_TO_PROG(edict_t *e)
1783 if ((unsigned int)n >= (unsigned int)sv.max_edicts)
1784 Host_Error("EDICT_TO_PROG: invalid edict %8p (number %i compared to world at %8p)\n", e, n, sv.edicts);
1785 return n;// EXPERIMENTAL
1786 //return (qbyte *)e->v - (qbyte *)sv.edictsfields;
1788 edict_t *PROG_TO_EDICT(int n)
1790 if ((unsigned int)n >= (unsigned int)sv.max_edicts)
1791 Host_Error("PROG_TO_EDICT: invalid edict number %i\n", n);
1792 return sv.edicts + n; // EXPERIMENTAL
1793 //return sv.edicts + ((n) / (progs->entityfields * 4));