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.
20 // sv_edict.c -- entity dictionary
25 mfunction_t *prog->functions;
29 ddef_t *pr_globaldefs;
30 dstatement_t *pr_statements;
31 globalvars_t *pr_global_struct;
32 float *pr_globals; // same as pr_global_struct
33 int prog->edict_size; // in bytes
34 int pr_edictareasize; // LordHavoc: in bytes
36 int pr_maxknownstrings;
37 int pr_numknownstrings;
38 const char **pr_knownstrings;
40 unsigned short pr_crc;
42 mempool_t *serverprogs_mempool;
44 int type_size[8] = {1,sizeof(string_t)/4,1,3,1,1,sizeof(func_t)/4,sizeof(void *)/4};
46 ddef_t *ED_FieldAtOfs(int ofs);
47 qboolean ED_ParseEpair(prvm_edict_t *ent, ddef_t *key, const char *s);
49 cvar_t pr_checkextension = {CVAR_READONLY, "pr_checkextension", "1"};
50 cvar_t nomonsters = {0, "nomonsters", "0"};
51 cvar_t gamecfg = {0, "gamecfg", "0"};
52 cvar_t scratch1 = {0, "scratch1", "0"};
53 cvar_t scratch2 = {0,"scratch2", "0"};
54 cvar_t scratch3 = {0, "scratch3", "0"};
55 cvar_t scratch4 = {0, "scratch4", "0"};
56 cvar_t savedgamecfg = {CVAR_SAVE, "savedgamecfg", "0"};
57 cvar_t saved1 = {CVAR_SAVE, "saved1", "0"};
58 cvar_t saved2 = {CVAR_SAVE, "saved2", "0"};
59 cvar_t saved3 = {CVAR_SAVE, "saved3", "0"};
60 cvar_t saved4 = {CVAR_SAVE, "saved4", "0"};
61 cvar_t decors = {0, "decors", "0"};
62 cvar_t nehx00 = {0, "nehx00", "0"};cvar_t nehx01 = {0, "nehx01", "0"};
63 cvar_t nehx02 = {0, "nehx02", "0"};cvar_t nehx03 = {0, "nehx03", "0"};
64 cvar_t nehx04 = {0, "nehx04", "0"};cvar_t nehx05 = {0, "nehx05", "0"};
65 cvar_t nehx06 = {0, "nehx06", "0"};cvar_t nehx07 = {0, "nehx07", "0"};
66 cvar_t nehx08 = {0, "nehx08", "0"};cvar_t nehx09 = {0, "nehx09", "0"};
67 cvar_t nehx10 = {0, "nehx10", "0"};cvar_t nehx11 = {0, "nehx11", "0"};
68 cvar_t nehx12 = {0, "nehx12", "0"};cvar_t nehx13 = {0, "nehx13", "0"};
69 cvar_t nehx14 = {0, "nehx14", "0"};cvar_t nehx15 = {0, "nehx15", "0"};
70 cvar_t nehx16 = {0, "nehx16", "0"};cvar_t nehx17 = {0, "nehx17", "0"};
71 cvar_t nehx18 = {0, "nehx18", "0"};cvar_t nehx19 = {0, "nehx19", "0"};
72 cvar_t cutscene = {0, "cutscene", "1"};
73 // LordHavoc: optional runtime bounds checking (speed drain, but worth it for security, on by default - breaks most QCCX features (used by CRMod and others))
74 cvar_t pr_boundscheck = {0, "pr_boundscheck", "1"};
75 // LordHavoc: prints every opcode as it executes - warning: this is significant spew
76 cvar_t pr_traceqc = {0, "pr_traceqc", "0"};
78 ddef_t *ED_FindField (const char *name);
79 mfunction_t *PRVM_ED_FindFunction (const char *name);
81 // LordHavoc: in an effort to eliminate time wasted on GetEdictFieldValue... these are defined as externs in progs.h
97 int eval_renderamt; // HalfLife support
98 int eval_rendermode; // HalfLife support
100 int eval_ammo_shells1;
101 int eval_ammo_nails1;
102 int eval_ammo_lava_nails;
103 int eval_ammo_rockets1;
104 int eval_ammo_multi_rockets;
105 int eval_ammo_cells1;
106 int eval_ammo_plasma;
108 int eval_pitch_speed;
109 int eval_viewmodelforclient;
110 int eval_nodrawtoclient;
111 int eval_exteriormodeltoclient;
112 int eval_drawonlytoclient;
116 int eval_punchvector;
118 int eval_clientcolors;
125 int eval_cursor_active;
126 int eval_cursor_screen;
127 int eval_cursor_trace_start;
128 int eval_cursor_trace_endpos;
129 int eval_cursor_trace_ent;
131 int eval_playermodel;
134 mfunction_t *SV_PlayerPhysicsQC;
135 mfunction_t *EndFrameQC;
136 //KrimZon - SERVER COMMANDS IN QUAKEC
137 mfunction_t *SV_ParseClientCommandQC;
139 int FindFieldOffset(const char *field)
142 d = ED_FindField(field);
148 void FindEdictFieldOffsets(void)
150 eval_gravity = FindFieldOffset("gravity");
151 eval_button3 = FindFieldOffset("button3");
152 eval_button4 = FindFieldOffset("button4");
153 eval_button5 = FindFieldOffset("button5");
154 eval_button6 = FindFieldOffset("button6");
155 eval_button7 = FindFieldOffset("button7");
156 eval_button8 = FindFieldOffset("button8");
157 eval_buttonuse = FindFieldOffset("buttonuse");
158 eval_buttonchat = FindFieldOffset("buttonchat");
159 eval_glow_size = FindFieldOffset("glow_size");
160 eval_glow_trail = FindFieldOffset("glow_trail");
161 eval_glow_color = FindFieldOffset("glow_color");
162 eval_items2 = FindFieldOffset("items2");
163 eval_scale = FindFieldOffset("scale");
164 eval_alpha = FindFieldOffset("alpha");
165 eval_renderamt = FindFieldOffset("renderamt"); // HalfLife support
166 eval_rendermode = FindFieldOffset("rendermode"); // HalfLife support
167 eval_fullbright = FindFieldOffset("fullbright");
168 eval_ammo_shells1 = FindFieldOffset("ammo_shells1");
169 eval_ammo_nails1 = FindFieldOffset("ammo_nails1");
170 eval_ammo_lava_nails = FindFieldOffset("ammo_lava_nails");
171 eval_ammo_rockets1 = FindFieldOffset("ammo_rockets1");
172 eval_ammo_multi_rockets = FindFieldOffset("ammo_multi_rockets");
173 eval_ammo_cells1 = FindFieldOffset("ammo_cells1");
174 eval_ammo_plasma = FindFieldOffset("ammo_plasma");
175 eval_idealpitch = FindFieldOffset("idealpitch");
176 eval_pitch_speed = FindFieldOffset("pitch_speed");
177 eval_viewmodelforclient = FindFieldOffset("viewmodelforclient");
178 eval_nodrawtoclient = FindFieldOffset("nodrawtoclient");
179 eval_exteriormodeltoclient = FindFieldOffset("exteriormodeltoclient");
180 eval_drawonlytoclient = FindFieldOffset("drawonlytoclient");
181 eval_ping = FindFieldOffset("ping");
182 eval_movement = FindFieldOffset("movement");
183 eval_pmodel = FindFieldOffset("pmodel");
184 eval_punchvector = FindFieldOffset("punchvector");
185 eval_viewzoom = FindFieldOffset("viewzoom");
186 eval_clientcolors = FindFieldOffset("clientcolors");
187 eval_tag_entity = FindFieldOffset("tag_entity");
188 eval_tag_index = FindFieldOffset("tag_index");
189 eval_light_lev = FindFieldOffset("light_lev");
190 eval_color = FindFieldOffset("color");
191 eval_style = FindFieldOffset("style");
192 eval_pflags = FindFieldOffset("pflags");
193 eval_cursor_active = FindFieldOffset("cursor_active");
194 eval_cursor_screen = FindFieldOffset("cursor_screen");
195 eval_cursor_trace_start = FindFieldOffset("cursor_trace_start");
196 eval_cursor_trace_endpos = FindFieldOffset("cursor_trace_endpos");
197 eval_cursor_trace_ent = FindFieldOffset("cursor_trace_ent");
198 eval_colormod = FindFieldOffset("colormod");
199 eval_playermodel = FindFieldOffset("playermodel");
200 eval_playerskin = FindFieldOffset("playerskin");
202 // LordHavoc: allowing QuakeC to override the player movement code
203 SV_PlayerPhysicsQC = PRVM_ED_FindFunction ("SV_PlayerPhysics");
204 // LordHavoc: support for endframe
205 EndFrameQC = PRVM_ED_FindFunction ("EndFrame");
206 //KrimZon - SERVER COMMANDS IN QUAKEC
207 SV_ParseClientCommandQC = PRVM_ED_FindFunction ("SV_ParseClientCommand");
214 Sets everything to NULL
217 void ED_ClearEdict (prvm_edict_t *e)
220 memset (e->v, 0, progs->entityfields * 4);
221 e->priv.server->free = false;
222 // LordHavoc: for consistency set these here
223 num = PRVM_NUM_FOR_EDICT(e) - 1;
224 if (num >= 0 && num < svs.maxclients)
227 // set colormap and team on newly created player entity
228 e->fields.server->colormap = num + 1;
229 e->fields.server->team = (svs.clients[num].colors & 15) + 1;
230 // set netname/clientcolors back to client values so that
231 // DP_SV_CLIENTNAME and DPV_SV_CLIENTCOLORS will not immediately
233 e->fields.server->netname = PRVM_SetEngineString(svs.clients[num].name);
234 if ((val = PRVM_GETEDICTFIELDVALUE(e, eval_clientcolors)))
235 val->_float = svs.clients[num].colors;
236 // NEXUIZ_PLAYERMODEL and NEXUIZ_PLAYERSKIN
237 if( eval_playermodel )
238 PRVM_GETEDICTFIELDVALUE(host_client->edict, eval_playermodel)->string = PRVM_SetEngineString(svs.clients[num].playermodel);
239 if( eval_playerskin )
240 PRVM_GETEDICTFIELDVALUE(host_client->edict, eval_playerskin)->string = PRVM_SetEngineString(svs.clients[num].playerskin);
248 Either finds a free edict, or allocates a new one.
249 Try to avoid reusing an entity that was recently freed, because it
250 can cause the client to think the entity morphed into something else
251 instead of being removed and recreated, which can cause interpolated
252 angles and bad trails.
255 prvm_edict_t *ED_Alloc (void)
260 for (i = svs.maxclients + 1;i < prog->num_edicts;i++)
262 e = PRVM_EDICT_NUM(i);
263 // the first couple seconds of server time can involve a lot of
264 // freeing and allocating, so relax the replacement policy
265 if (e->priv.server->free && ( e->priv.server->freetime < 2 || sv.time - e->priv.server->freetime > 0.5 ) )
273 Host_Error ("ED_Alloc: no free edicts");
276 if (prog->num_edicts >= prog->max_edicts)
278 e = PRVM_EDICT_NUM(i);
288 Marks the edict as free
289 FIXME: walk all entities and NULL out references to this entity
292 void ED_Free (prvm_edict_t *ed)
294 SV_UnlinkEdict (ed); // unlink from world bsp
296 ed->priv.server->free = true;
297 ed->fields.server->model = 0;
298 ed->fields.server->takedamage = 0;
299 ed->fields.server->modelindex = 0;
300 ed->fields.server->colormap = 0;
301 ed->fields.server->skin = 0;
302 ed->fields.server->frame = 0;
303 VectorClear(ed->fields.server->origin);
304 VectorClear(ed->fields.server->angles);
305 ed->fields.server->nextthink = -1;
306 ed->fields.server->solid = 0;
308 ed->priv.server->freetime = sv.time;
311 //===========================================================================
318 ddef_t *ED_GlobalAtOfs (int ofs)
323 for (i=0 ; i<progs->numglobaldefs ; i++)
325 def = &pr_globaldefs[i];
337 ddef_t *ED_FieldAtOfs (int ofs)
342 for (i=0 ; i<progs->numfielddefs ; i++)
344 def = &pr_fielddefs[i];
356 ddef_t *ED_FindField (const char *name)
361 for (i=0 ; i<progs->numfielddefs ; i++)
363 def = &pr_fielddefs[i];
364 if (!strcmp(PRVM_GetString(def->s_name), name))
375 ddef_t *ED_FindGlobal (const char *name)
380 for (i=0 ; i<progs->numglobaldefs ; i++)
382 def = &pr_globaldefs[i];
383 if (!strcmp(PRVM_GetString(def->s_name), name))
395 mfunction_t *PRVM_ED_FindFunction (const char *name)
400 for (i=0 ; i<progs->numfunctions ; i++)
402 func = &prog->functions[i];
403 if (!strcmp(PRVM_GetString(func->s_name), name))
414 Returns a string describing *data in a type specific manner
417 //int NoCrash_NUM_FOR_EDICT(prvm_edict_t *e);
418 char *PR_ValueString (etype_t type, prvm_eval_t *val)
420 static char line[1024]; // LordHavoc: enlarged a bit (was 256)
425 type &= ~DEF_SAVEGLOBAL;
430 strlcpy (line, PRVM_GetString (val->string), sizeof (line));
433 //n = NoCrash_NUM_FOR_EDICT(PRVM_PROG_TO_EDICT(val->edict));
435 if (n < 0 || n >= MAX_EDICTS)
436 dpsnprintf (line, sizeof (line), "entity %i (invalid!)", n);
438 dpsnprintf (line, sizeof (line), "entity %i", n);
441 f = prog->functions + val->function;
442 dpsnprintf (line, sizeof (line), "%s()", PRVM_GetString(f->s_name));
445 def = ED_FieldAtOfs ( val->_int );
446 dpsnprintf (line, sizeof (line), ".%s", PRVM_GetString(def->s_name));
449 dpsnprintf (line, sizeof (line), "void");
452 // LordHavoc: changed from %5.1f to %10.4f
453 dpsnprintf (line, sizeof (line), "%10.4f", val->_float);
456 // LordHavoc: changed from %5.1f to %10.4f
457 dpsnprintf (line, sizeof (line), "'%10.4f %10.4f %10.4f'", val->vector[0], val->vector[1], val->vector[2]);
460 dpsnprintf (line, sizeof (line), "pointer");
463 dpsnprintf (line, sizeof (line), "bad type %i", type);
474 Returns a string describing *data in a type specific manner
475 Easier to parse than PR_ValueString
478 char *PR_UglyValueString (etype_t type, prvm_eval_t *val)
480 static char line[4096];
486 type &= ~DEF_SAVEGLOBAL;
491 // Parse the string a bit to turn special characters
492 // (like newline, specifically) into escape codes,
493 // this fixes saving games from various mods
494 s = PRVM_GetString (val->string);
495 for (i = 0;i < (int)sizeof(line) - 2 && *s;)
514 dpsnprintf (line, sizeof (line), "%i", PRVM_NUM_FOR_EDICT(PRVM_PROG_TO_EDICT(val->edict)));
517 f = prog->functions + val->function;
518 strlcpy (line, PRVM_GetString (f->s_name), sizeof (line));
521 def = ED_FieldAtOfs ( val->_int );
522 dpsnprintf (line, sizeof (line), ".%s", PRVM_GetString(def->s_name));
525 dpsnprintf (line, sizeof (line), "void");
528 dpsnprintf (line, sizeof (line), "%f", val->_float);
531 dpsnprintf (line, sizeof (line), "%f %f %f", val->vector[0], val->vector[1], val->vector[2]);
534 dpsnprintf (line, sizeof (line), "bad type %i", type);
545 Returns a string with a description and the contents of a global,
546 padded to 20 field width
549 char *PR_GlobalString (int ofs)
555 static char line[128];
557 val = (void *)&pr_globals[ofs];
558 def = ED_GlobalAtOfs(ofs);
560 dpsnprintf (line, sizeof (line), "%i(?)", ofs);
563 s = PR_ValueString (def->type, val);
564 dpsnprintf (line, sizeof (line), "%i(%s)%s", ofs, PRVM_GetString(def->s_name), s);
569 strlcat (line, " ", sizeof (line));
570 strlcat (line, " ", sizeof (line));
575 char *PR_GlobalStringNoContents (int ofs)
579 static char line[128];
581 def = ED_GlobalAtOfs(ofs);
583 dpsnprintf (line, sizeof (line), "%i(?)", ofs);
585 dpsnprintf (line, sizeof (line), "%i(%s)", ofs, PRVM_GetString(def->s_name));
589 strlcat (line, " ", sizeof (line));
590 strlcat (line, " ", sizeof (line));
603 // LordHavoc: optimized this to print out much more quickly (tempstring)
604 // LordHavoc: changed to print out every 4096 characters (incase there are a lot of fields to print)
605 void ED_Print(prvm_edict_t *ed)
613 char tempstring[8192], tempstring2[260]; // temporary string buffers
615 if (ed->priv.server->free)
622 dpsnprintf (tempstring, sizeof (tempstring), "\nEDICT %i:\n", PRVM_NUM_FOR_EDICT(ed));
623 for (i=1 ; i<progs->numfielddefs ; i++)
625 d = &pr_fielddefs[i];
626 name = PRVM_GetString(d->s_name);
627 if (name[strlen(name)-2] == '_')
628 continue; // skip _x, _y, _z vars
630 v = (int *)((char *)ed->v + d->ofs*4);
632 // if the value is still all 0, skip the field
633 type = d->type & ~DEF_SAVEGLOBAL;
635 for (j=0 ; j<type_size[type] ; j++)
638 if (j == type_size[type])
641 if (strlen(name) > 256)
643 memcpy (tempstring2, name, 256);
644 tempstring2[256] = tempstring2[257] = tempstring2[258] = '.';
645 tempstring2[259] = 0;
648 strlcat (tempstring, name, sizeof (tempstring));
649 for (l = strlen(name);l < 14;l++)
650 strcat(tempstring, " ");
651 strcat(tempstring, " ");
653 name = PR_ValueString(d->type, (prvm_eval_t *)v);
654 if (strlen(name) > 256)
656 memcpy(tempstring2, name, 256);
657 tempstring2[256] = tempstring2[257] = tempstring2[258] = '.';
658 tempstring2[259] = 0;
661 strlcat (tempstring, name, sizeof (tempstring));
662 strlcat (tempstring, "\n", sizeof (tempstring));
663 if (strlen(tempstring) >= 4096)
665 Con_Print(tempstring);
670 Con_Print(tempstring);
680 void ED_Write (qfile_t *f, prvm_edict_t *ed)
690 if (ed->priv.server->free)
696 for (i=1 ; i<progs->numfielddefs ; i++)
698 d = &pr_fielddefs[i];
699 name = PRVM_GetString(d->s_name);
700 if (name[strlen(name)-2] == '_')
701 continue; // skip _x, _y, _z vars
703 v = (int *)((char *)ed->v + d->ofs*4);
705 // if the value is still all 0, skip the field
706 type = d->type & ~DEF_SAVEGLOBAL;
707 for (j=0 ; j<type_size[type] ; j++)
710 if (j == type_size[type])
713 FS_Printf(f,"\"%s\" ",name);
714 FS_Printf(f,"\"%s\"\n", PR_UglyValueString(d->type, (prvm_eval_t *)v));
720 void ED_PrintNum (int ent)
722 ED_Print(PRVM_EDICT_NUM(ent));
729 For debugging, prints all the entities in the current server
732 void ED_PrintEdicts (void)
736 Con_Printf("%i entities\n", prog->num_edicts);
737 for (i=0 ; i<prog->num_edicts ; i++)
745 For debugging, prints a single edict
748 void ED_PrintEdict_f (void)
752 i = atoi (Cmd_Argv(1));
753 if (i < 0 || i >= prog->num_edicts)
755 Con_Print("Bad edict number\n");
772 int active, models, solid, step;
774 active = models = solid = step = 0;
775 for (i=0 ; i<prog->num_edicts ; i++)
777 ent = PRVM_EDICT_NUM(i);
778 if (ent->priv.server->free)
781 if (ent->fields.server->solid)
783 if (ent->fields.server->model)
785 if (ent->fields.server->movetype == MOVETYPE_STEP)
789 Con_Printf("num_edicts:%3i\n", prog->num_edicts);
790 Con_Printf("active :%3i\n", active);
791 Con_Printf("view :%3i\n", models);
792 Con_Printf("touch :%3i\n", solid);
793 Con_Printf("step :%3i\n", step);
798 ==============================================================================
802 FIXME: need to tag constants, doesn't really work
803 ==============================================================================
811 void ED_WriteGlobals (qfile_t *f)
819 for (i=0 ; i<progs->numglobaldefs ; i++)
821 def = &pr_globaldefs[i];
823 if ( !(def->type & DEF_SAVEGLOBAL) )
825 type &= ~DEF_SAVEGLOBAL;
827 if (type != ev_string && type != ev_float && type != ev_entity)
830 name = PRVM_GetString(def->s_name);
831 FS_Printf(f,"\"%s\" ", name);
832 FS_Printf(f,"\"%s\"\n", PR_UglyValueString(type, (prvm_eval_t *)&pr_globals[def->ofs]));
841 Console command to set a field of a specified edict
844 void ED_EdictSet_f(void)
851 Con_Print("edictset <edict number> <field> <value>\n");
854 ed = PRVM_EDICT_NUM(atoi(Cmd_Argv(1)));
856 if((key = ED_FindField(Cmd_Argv(2))) == 0)
858 Con_Printf("Key %s not found !\n", Cmd_Argv(2));
862 ED_ParseEpair(ed, key, Cmd_Argv(3));
870 void ED_ParseGlobals (const char *data)
872 char keyname[1024]; // LordHavoc: good idea? bad idea? was 64
878 if (!COM_ParseToken(&data, false))
879 Host_Error ("ED_ParseEntity: EOF without closing brace");
880 if (com_token[0] == '}')
883 strcpy (keyname, com_token);
886 if (!COM_ParseToken(&data, false))
887 Host_Error ("ED_ParseEntity: EOF without closing brace");
889 if (com_token[0] == '}')
890 Host_Error ("ED_ParseEntity: closing brace without data");
892 key = ED_FindGlobal (keyname);
895 Con_DPrintf("'%s' is not a global\n", keyname);
899 if (!ED_ParseEpair(NULL, key, com_token))
900 Host_Error ("ED_ParseGlobals: parse error");
904 //============================================================================
911 Can parse either fields or globals
912 returns false if error
915 qboolean ED_ParseEpair(prvm_edict_t *ent, ddef_t *key, const char *s)
924 val = (prvm_eval_t *)((int *)ent->v + key->ofs);
926 val = (prvm_eval_t *)((int *)pr_globals + key->ofs);
927 switch (key->type & ~DEF_SAVEGLOBAL)
931 new_p = PR_AllocString(l);
932 val->string = PR_SetQCString(new_p);
933 for (i = 0;i < l;i++)
935 if (s[i] == '\\' && i < l-1)
940 else if (s[i] == 'r')
951 while (*s && *s <= ' ')
953 val->_float = atof(s);
957 for (i = 0;i < 3;i++)
959 while (*s && *s <= ' ')
962 val->vector[i] = atof(s);
971 while (*s && *s <= ' ')
974 if (i < 0 || i >= MAX_EDICTS)
975 Con_Printf("ED_ParseEpair: ev_entity reference too large (edict %i >= MAX_EDICTS %i)\n", i, MAX_EDICTS);
976 while (i >= prog->max_edicts)
978 // if SV_IncreaseEdicts was called the base pointer needs to be updated
980 val = (prvm_eval_t *)((int *)ent->v + key->ofs);
981 val->edict = PRVM_EDICT_TO_PROG(PRVM_EDICT_NUM(i));
985 def = ED_FindField(s);
988 Con_DPrintf("ED_ParseEpair: Can't find field %s\n", s);
991 //val->_int = PRVM_G_INT(def->ofs); // AK Please check this - seems to be an org. quake bug
992 val->_int = def->ofs;
996 func = PRVM_ED_FindFunction(s);
999 Con_Printf("ED_ParseEpair: Can't find function %s\n", s);
1002 val->function = func - prog->functions;
1006 Con_Printf("ED_ParseEpair: Unknown key->type %i for key \"%s\"\n", key->type, PRVM_GetString(key->s_name));
1013 ====================
1016 Parses an edict out of the given string, returning the new position
1017 ed should be a properly initialized empty edict.
1018 Used for initial level load and for savegames.
1019 ====================
1021 const char *ED_ParseEdict (const char *data, prvm_edict_t *ent)
1032 if (ent != prog->edicts) // hack
1033 memset (ent->v, 0, progs->entityfields * 4);
1035 // go through all the dictionary pairs
1039 if (!COM_ParseToken(&data, false))
1040 Host_Error ("ED_ParseEntity: EOF without closing brace");
1041 if (com_token[0] == '}')
1044 // anglehack is to allow QuakeEd to write single scalar angles
1045 // and allow them to be turned into vectors. (FIXME...)
1046 anglehack = !strcmp (com_token, "angle");
1048 strlcpy (com_token, "angles", sizeof (com_token));
1050 // FIXME: change light to _light to get rid of this hack
1051 if (!strcmp(com_token, "light"))
1052 strlcpy (com_token, "light_lev", sizeof (com_token)); // hack for single light def
1054 strlcpy (keyname, com_token, sizeof (keyname));
1056 // another hack to fix heynames with trailing spaces
1057 n = strlen(keyname);
1058 while (n && keyname[n-1] == ' ')
1065 if (!COM_ParseToken(&data, false))
1066 Host_Error ("ED_ParseEntity: EOF without closing brace");
1068 if (com_token[0] == '}')
1069 Host_Error ("ED_ParseEntity: closing brace without data");
1073 // keynames with a leading underscore are used for utility comments,
1074 // and are immediately discarded by quake
1075 if (keyname[0] == '_')
1078 key = ED_FindField (keyname);
1081 Con_DPrintf("'%s' is not a field\n", keyname);
1088 strlcpy (temp, com_token, sizeof (temp));
1089 dpsnprintf (com_token, sizeof (com_token), "0 %s 0", temp);
1092 if (!ED_ParseEpair(ent, key, com_token))
1093 Host_Error ("ED_ParseEdict: parse error");
1097 ent->priv.server->free = true;
1107 The entities are directly placed in the array, rather than allocated with
1108 ED_Alloc, because otherwise an error loading the map would have entity
1109 number references out of order.
1111 Creates a server's entity / program execution context by
1112 parsing textual entity definitions out of an ent file.
1114 Used for both fresh maps and savegame loads. A fresh map would also need
1115 to call ED_CallSpawnFunctions () to let the objects initialize themselves.
1118 void ED_LoadFromFile (const char *data)
1121 int parsed, inhibited, spawned, died;
1129 prog->globals.server->time = sv.time;
1134 // parse the opening brace
1135 if (!COM_ParseToken(&data, false))
1137 if (com_token[0] != '{')
1138 Host_Error ("ED_LoadFromFile: found %s when expecting {",com_token);
1141 ent = PRVM_EDICT_NUM(0);
1144 data = ED_ParseEdict (data, ent);
1147 // remove things from different skill levels or deathmatch
1148 if (gamemode != GAME_TRANSFUSION) //Transfusion does this in QC
1150 if (deathmatch.integer)
1152 if (((int)ent->fields.server->spawnflags & SPAWNFLAG_NOT_DEATHMATCH))
1159 else if ((current_skill <= 0 && ((int)ent->fields.server->spawnflags & SPAWNFLAG_NOT_EASY ))
1160 || (current_skill == 1 && ((int)ent->fields.server->spawnflags & SPAWNFLAG_NOT_MEDIUM))
1161 || (current_skill >= 2 && ((int)ent->fields.server->spawnflags & SPAWNFLAG_NOT_HARD )))
1169 // immediately call spawn function
1171 if (!ent->fields.server->classname)
1173 Con_Print("No classname for:\n");
1179 // look for the spawn function
1180 func = PRVM_ED_FindFunction (PRVM_GetString(ent->fields.server->classname));
1184 if (developer.integer) // don't confuse non-developers with errors
1186 Con_Print("No spawn function for:\n");
1193 prog->globals.server->self = PRVM_EDICT_TO_PROG(ent);
1194 PRVM_ExecuteProgram (func - prog->functions, "QC function spawn is missing");
1196 if (ent->priv.server->free)
1200 Con_DPrintf("%i entities parsed, %i inhibited, %i spawned (%i removed self, %i stayed)\n", parsed, inhibited, spawned, died, spawned - died);
1204 typedef struct dpfield_s
1211 #define DPFIELDS (sizeof(dpfields) / sizeof(dpfield_t))
1213 dpfield_t dpfields[] =
1215 {ev_entity, "cursor_trace_ent"},
1216 {ev_entity, "drawonlytoclient"},
1217 {ev_entity, "exteriormodeltoclient"},
1218 {ev_entity, "nodrawtoclient"},
1219 {ev_entity, "tag_entity"},
1220 {ev_entity, "viewmodelforclient"},
1221 {ev_float, "alpha"},
1222 {ev_float, "ammo_cells1"},
1223 {ev_float, "ammo_lava_nails"},
1224 {ev_float, "ammo_multi_rockets"},
1225 {ev_float, "ammo_nails1"},
1226 {ev_float, "ammo_plasma"},
1227 {ev_float, "ammo_rockets1"},
1228 {ev_float, "ammo_shells1"},
1229 {ev_float, "button3"},
1230 {ev_float, "button4"},
1231 {ev_float, "button5"},
1232 {ev_float, "button6"},
1233 {ev_float, "button7"},
1234 {ev_float, "button8"},
1235 {ev_float, "buttonchat"},
1236 {ev_float, "buttonuse"},
1237 {ev_float, "clientcolors"},
1238 {ev_float, "cursor_active"},
1239 {ev_float, "fullbright"},
1240 {ev_float, "glow_color"},
1241 {ev_float, "glow_size"},
1242 {ev_float, "glow_trail"},
1243 {ev_float, "gravity"},
1244 {ev_float, "idealpitch"},
1245 {ev_float, "items2"},
1246 {ev_float, "light_lev"},
1247 {ev_float, "pflags"},
1249 {ev_float, "pitch_speed"},
1250 {ev_float, "pmodel"},
1251 {ev_float, "renderamt"}, // HalfLife support
1252 {ev_float, "rendermode"}, // HalfLife support
1253 {ev_float, "scale"},
1254 {ev_float, "style"},
1255 {ev_float, "tag_index"},
1256 {ev_float, "viewzoom"},
1257 {ev_vector, "color"},
1258 {ev_vector, "colormod"},
1259 {ev_vector, "cursor_screen"},
1260 {ev_vector, "cursor_trace_endpos"},
1261 {ev_vector, "cursor_trace_start"},
1262 {ev_vector, "movement"},
1263 {ev_vector, "punchvector"},
1264 {ev_string, "playermodel"},
1265 {ev_string, "playerskin"}
1273 extern void PR_Cmd_Reset (void);
1274 void PR_LoadProgs (const char *progsname)
1277 fs_offset_t filesize;
1279 ddef_t *infielddefs;
1280 dfunction_t *dfunctions;
1282 if (!progsname || !*progsname)
1283 Host_Error("PR_LoadProgs: passed empty progsname");
1287 progs = (dprograms_t *)FS_LoadFile (progsname, serverprogs_mempool, false, &filesize);
1289 Host_Error ("PR_LoadProgs: couldn't load %s", progsname);
1291 Con_DPrintf("Programs occupy %iK.\n", filesize/1024);
1293 pr_crc = CRC_Block((unsigned char *)progs, filesize);
1295 // byte swap the header
1296 for (i = 0;i < (int) sizeof(*progs) / 4;i++)
1297 ((int *)progs)[i] = LittleLong ( ((int *)progs)[i] );
1299 if (progs->version != PROG_VERSION)
1300 Host_Error ("progs.dat has wrong version number (%i should be %i)", progs->version, PROG_VERSION);
1301 if (progs->crc != PROGHEADER_CRC && progs->crc != 32401) // tenebrae crc also allowed
1302 Host_Error ("progs.dat system vars have been modified, progdefs.h is out of date");
1304 //prog->functions = (dfunction_t *)((unsigned char *)progs + progs->ofs_functions);
1305 dfunctions = (dfunction_t *)((unsigned char *)progs + progs->ofs_functions);
1307 pr_strings = (char *)progs + progs->ofs_strings;
1309 for (i = 0;i < progs->numstrings;i++)
1311 if (progs->ofs_strings + pr_stringssize >= filesize)
1312 Host_Error ("progs.dat strings go past end of file");
1313 pr_stringssize += strlen (pr_strings + pr_stringssize) + 1;
1315 pr_numknownstrings = 0;
1316 pr_maxknownstrings = 0;
1317 pr_knownstrings = NULL;
1319 pr_globaldefs = (ddef_t *)((unsigned char *)progs + progs->ofs_globaldefs);
1321 // we need to expand the fielddefs list to include all the engine fields,
1322 // so allocate a new place for it
1323 infielddefs = (ddef_t *)((unsigned char *)progs + progs->ofs_fielddefs);
1324 pr_fielddefs = PR_Alloc((progs->numfielddefs + DPFIELDS) * sizeof(ddef_t));
1325 prog->functions = PR_Alloc(sizeof(mfunction_t) * progs->numfunctions);
1327 pr_statements = (dstatement_t *)((unsigned char *)progs + progs->ofs_statements);
1329 // moved edict_size calculation down below field adding code
1331 pr_global_struct = (globalvars_t *)((unsigned char *)progs + progs->ofs_globals);
1332 pr_globals = (float *)pr_global_struct;
1334 // byte swap the lumps
1335 for (i=0 ; i<progs->numstatements ; i++)
1337 pr_statements[i].op = LittleShort(pr_statements[i].op);
1338 pr_statements[i].a = LittleShort(pr_statements[i].a);
1339 pr_statements[i].b = LittleShort(pr_statements[i].b);
1340 pr_statements[i].c = LittleShort(pr_statements[i].c);
1343 for (i = 0;i < progs->numfunctions;i++)
1345 prog->functions[i].first_statement = LittleLong (dfunctions[i].first_statement);
1346 prog->functions[i].parm_start = LittleLong (dfunctions[i].parm_start);
1347 prog->functions[i].s_name = LittleLong (dfunctions[i].s_name);
1348 prog->functions[i].s_file = LittleLong (dfunctions[i].s_file);
1349 prog->functions[i].numparms = LittleLong (dfunctions[i].numparms);
1350 prog->functions[i].locals = LittleLong (dfunctions[i].locals);
1351 memcpy(prog->functions[i].parm_size, dfunctions[i].parm_size, sizeof(dfunctions[i].parm_size));
1354 for (i=0 ; i<progs->numglobaldefs ; i++)
1356 pr_globaldefs[i].type = LittleShort (pr_globaldefs[i].type);
1357 pr_globaldefs[i].ofs = LittleShort (pr_globaldefs[i].ofs);
1358 pr_globaldefs[i].s_name = LittleLong (pr_globaldefs[i].s_name);
1361 // copy the progs fields to the new fields list
1362 for (i = 0;i < progs->numfielddefs;i++)
1364 pr_fielddefs[i].type = LittleShort (infielddefs[i].type);
1365 if (pr_fielddefs[i].type & DEF_SAVEGLOBAL)
1366 Host_Error ("PR_LoadProgs: pr_fielddefs[i].type & DEF_SAVEGLOBAL");
1367 pr_fielddefs[i].ofs = LittleShort (infielddefs[i].ofs);
1368 pr_fielddefs[i].s_name = LittleLong (infielddefs[i].s_name);
1371 // append the darkplaces fields
1372 for (i = 0;i < (int) DPFIELDS;i++)
1374 pr_fielddefs[progs->numfielddefs].type = dpfields[i].type;
1375 pr_fielddefs[progs->numfielddefs].ofs = progs->entityfields;
1376 pr_fielddefs[progs->numfielddefs].s_name = PRVM_SetEngineString(dpfields[i].string);
1377 if (pr_fielddefs[progs->numfielddefs].type == ev_vector)
1378 progs->entityfields += 3;
1380 progs->entityfields++;
1381 progs->numfielddefs++;
1384 for (i=0 ; i<progs->numglobals ; i++)
1385 ((int *)pr_globals)[i] = LittleLong (((int *)pr_globals)[i]);
1387 // moved edict_size calculation down here, below field adding code
1388 // LordHavoc: this no longer includes the prvm_edict_t header
1389 prog->edict_size = progs->entityfields * 4;
1390 pr_edictareasize = prog->edict_size * MAX_EDICTS;
1392 // LordHavoc: bounds check anything static
1393 for (i = 0,st = pr_statements;i < progs->numstatements;i++,st++)
1399 if ((unsigned short) st->a >= progs->numglobals || st->b + i < 0 || st->b + i >= progs->numstatements)
1400 Host_Error("PR_LoadProgs: out of bounds IF/IFNOT (statement %d)", i);
1403 if (st->a + i < 0 || st->a + i >= progs->numstatements)
1404 Host_Error("PR_LoadProgs: out of bounds GOTO (statement %d)", i);
1406 // global global global
1441 if ((unsigned short) st->a >= progs->numglobals || (unsigned short) st->b >= progs->numglobals || (unsigned short) st->c >= progs->numglobals)
1442 Host_Error("PR_LoadProgs: out of bounds global index (statement %d)", i);
1444 // global none global
1450 if ((unsigned short) st->a >= progs->numglobals || (unsigned short) st->c >= progs->numglobals)
1451 Host_Error("PR_LoadProgs: out of bounds global index (statement %d)", i);
1467 if ((unsigned short) st->a >= progs->numglobals || (unsigned short) st->b >= progs->numglobals)
1468 Host_Error("PR_LoadProgs: out of bounds global index (statement %d)", i);
1482 if ((unsigned short) st->a >= progs->numglobals)
1483 Host_Error("PR_LoadProgs: out of bounds global index (statement %d)", i);
1486 Host_Error("PR_LoadProgs: unknown opcode %d at statement %d", st->op, i);
1491 FindEdictFieldOffsets(); // LordHavoc: update field offset list
1492 PR_Execute_ProgsLoaded();
1497 void PR_Fields_f (void)
1499 int i, j, ednum, used, usedamount;
1502 char tempstring[5000], tempstring2[260];
1508 Con_Print("no progs loaded\n");
1511 counts = Mem_Alloc(tempmempool, progs->numfielddefs * sizeof(int));
1512 for (ednum = 0;ednum < prog->max_edicts;ednum++)
1514 ed = PRVM_EDICT_NUM(ednum);
1515 if (ed->priv.server->free)
1517 for (i = 1;i < progs->numfielddefs;i++)
1519 d = &pr_fielddefs[i];
1520 name = PRVM_GetString(d->s_name);
1521 if (name[strlen(name)-2] == '_')
1522 continue; // skip _x, _y, _z vars
1523 v = (int *)((char *)ed->v + d->ofs*4);
1524 // if the value is still all 0, skip the field
1525 for (j = 0;j < type_size[d->type & ~DEF_SAVEGLOBAL];j++)
1538 for (i = 0;i < progs->numfielddefs;i++)
1540 d = &pr_fielddefs[i];
1541 name = PRVM_GetString(d->s_name);
1542 if (name[strlen(name)-2] == '_')
1543 continue; // skip _x, _y, _z vars
1544 switch(d->type & ~DEF_SAVEGLOBAL)
1547 strlcat (tempstring, "string ", sizeof (tempstring));
1550 strlcat (tempstring, "entity ", sizeof (tempstring));
1553 strlcat (tempstring, "function ", sizeof (tempstring));
1556 strlcat (tempstring, "field ", sizeof (tempstring));
1559 strlcat (tempstring, "void ", sizeof (tempstring));
1562 strlcat (tempstring, "float ", sizeof (tempstring));
1565 strlcat (tempstring, "vector ", sizeof (tempstring));
1568 strlcat (tempstring, "pointer ", sizeof (tempstring));
1571 dpsnprintf (tempstring2, sizeof (tempstring2), "bad type %i ", d->type & ~DEF_SAVEGLOBAL);
1572 strlcat (tempstring, tempstring2, sizeof (tempstring));
1575 if (strlen(name) > 256)
1577 memcpy(tempstring2, name, 256);
1578 tempstring2[256] = tempstring2[257] = tempstring2[258] = '.';
1579 tempstring2[259] = 0;
1582 strcat (tempstring, name);
1583 for (j = strlen(name);j < 25;j++)
1584 strcat(tempstring, " ");
1585 dpsnprintf (tempstring2, sizeof (tempstring2), "%5d", counts[i]);
1586 strlcat (tempstring, tempstring2, sizeof (tempstring));
1587 strlcat (tempstring, "\n", sizeof (tempstring));
1588 if (strlen(tempstring) >= 4096)
1590 Con_Print(tempstring);
1596 usedamount += type_size[d->type & ~DEF_SAVEGLOBAL];
1600 Con_Printf("%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", progs->entityfields, used, progs->entityfields * 4, usedamount * 4, prog->max_edicts, progs->entityfields * 4 * prog->max_edicts, usedamount * 4 * prog->max_edicts);
1603 void PR_Globals_f (void)
1608 Con_Print("no progs loaded\n");
1611 for (i = 0;i < progs->numglobaldefs;i++)
1612 Con_Printf("%s\n", PRVM_GetString(pr_globaldefs[i].s_name));
1613 Con_Printf("%i global variables, totalling %i bytes\n", progs->numglobals, progs->numglobals * 4);
1621 extern void PR_Cmd_Init(void);
1624 Cmd_AddCommand ("edict", ED_PrintEdict_f);
1625 Cmd_AddCommand ("edicts", ED_PrintEdicts);
1626 Cmd_AddCommand ("edictcount", ED_Count);
1627 Cmd_AddCommand ("edictset", ED_EdictSet_f);
1628 Cmd_AddCommand ("profile", PR_Profile_f);
1629 Cmd_AddCommand ("pr_fields", PR_Fields_f);
1630 Cmd_AddCommand ("pr_globals", PR_Globals_f);
1631 Cvar_RegisterVariable (&pr_checkextension);
1632 Cvar_RegisterVariable (&nomonsters);
1633 Cvar_RegisterVariable (&gamecfg);
1634 Cvar_RegisterVariable (&scratch1);
1635 Cvar_RegisterVariable (&scratch2);
1636 Cvar_RegisterVariable (&scratch3);
1637 Cvar_RegisterVariable (&scratch4);
1638 Cvar_RegisterVariable (&savedgamecfg);
1639 Cvar_RegisterVariable (&saved1);
1640 Cvar_RegisterVariable (&saved2);
1641 Cvar_RegisterVariable (&saved3);
1642 Cvar_RegisterVariable (&saved4);
1643 // LordHavoc: for DarkPlaces, this overrides the number of decors (shell casings, gibs, etc)
1644 Cvar_RegisterVariable (&decors);
1645 // LordHavoc: Nehahra uses these to pass data around cutscene demos
1646 if (gamemode == GAME_NEHAHRA)
1648 Cvar_RegisterVariable (&nehx00);Cvar_RegisterVariable (&nehx01);
1649 Cvar_RegisterVariable (&nehx02);Cvar_RegisterVariable (&nehx03);
1650 Cvar_RegisterVariable (&nehx04);Cvar_RegisterVariable (&nehx05);
1651 Cvar_RegisterVariable (&nehx06);Cvar_RegisterVariable (&nehx07);
1652 Cvar_RegisterVariable (&nehx08);Cvar_RegisterVariable (&nehx09);
1653 Cvar_RegisterVariable (&nehx10);Cvar_RegisterVariable (&nehx11);
1654 Cvar_RegisterVariable (&nehx12);Cvar_RegisterVariable (&nehx13);
1655 Cvar_RegisterVariable (&nehx14);Cvar_RegisterVariable (&nehx15);
1656 Cvar_RegisterVariable (&nehx16);Cvar_RegisterVariable (&nehx17);
1657 Cvar_RegisterVariable (&nehx18);Cvar_RegisterVariable (&nehx19);
1659 Cvar_RegisterVariable (&cutscene); // for Nehahra but useful to other mods as well
1660 // LordHavoc: optional runtime bounds checking (speed drain, but worth it for security, on by default - breaks most QCCX features (used by CRMod and others))
1661 Cvar_RegisterVariable (&pr_boundscheck);
1662 Cvar_RegisterVariable (&pr_traceqc);
1664 serverprogs_mempool = Mem_AllocPool("server progs", 0, NULL);
1674 extern void PR_Cmd_Shutdown(void);
1675 void PR_Shutdown (void)
1679 Mem_FreePool(&serverprogs_mempool);
1682 void *_PR_Alloc(size_t buffersize, const char *filename, int fileline)
1684 return _Mem_Alloc(serverprogs_mempool, buffersize, filename, fileline);
1687 void _PR_Free(void *buffer, const char *filename, int fileline)
1689 _Mem_Free(buffer, filename, fileline);
1692 void _PR_FreeAll(const char *filename, int fileline)
1695 pr_fielddefs = NULL;
1696 prog->functions = NULL;
1697 _Mem_EmptyPool(serverprogs_mempool, filename, fileline);
1700 // LordHavoc: turned PRVM_EDICT_NUM into a #define for speed reasons
1701 prvm_edict_t *EDICT_NUM_ERROR(int n, char *filename, int fileline)
1703 Host_Error ("PRVM_EDICT_NUM: bad number %i (called at %s:%i)", n, filename, fileline);
1708 int NUM_FOR_EDICT_ERROR(prvm_edict_t *e)
1710 Host_Error ("PRVM_NUM_FOR_EDICT: bad pointer %p (world is %p, entity number would be %i)", e, prog->edicts, e - prog->edicts);
1714 int PRVM_NUM_FOR_EDICT(prvm_edict_t *e)
1717 n = e - prog->edicts;
1718 if ((unsigned int)n >= MAX_EDICTS)
1719 Host_Error ("PRVM_NUM_FOR_EDICT: bad pointer");
1723 //int NoCrash_NUM_FOR_EDICT(prvm_edict_t *e)
1725 // return e - prog->edicts;
1728 //#define PRVM_EDICT_TO_PROG(e) ((unsigned char *)(((prvm_edict_t *)e)->v) - (unsigned char *)(prog->edictsfields))
1729 //#define PRVM_PROG_TO_EDICT(e) (prog->edicts + ((e) / (progs->entityfields * 4)))
1730 int PRVM_EDICT_TO_PROG(prvm_edict_t *e)
1733 n = e - prog->edicts;
1734 if ((unsigned int)n >= (unsigned int)prog->max_edicts)
1735 Host_Error("PRVM_EDICT_TO_PROG: invalid edict %8p (number %i compared to world at %8p)", e, n, prog->edicts);
1736 return n;// EXPERIMENTAL
1737 //return (unsigned char *)e->v - (unsigned char *)prog->edictsfields;
1739 prvm_edict_t *PRVM_PROG_TO_EDICT(int n)
1741 if ((unsigned int)n >= (unsigned int)prog->max_edicts)
1742 Host_Error("PRVM_PROG_TO_EDICT: invalid edict number %i", n);
1743 return prog->edicts + n; // EXPERIMENTAL
1744 //return prog->edicts + ((n) / (progs->entityfields * 4));
1748 const char *PRVM_GetString(int num)
1750 if (num >= 0 && num < pr_stringssize)
1751 return pr_strings + num;
1752 else if (num < 0 && num >= -pr_numknownstrings)
1755 if (!pr_knownstrings[num])
1756 Host_Error("PRVM_GetString: attempt to get string that is already freed");
1757 return pr_knownstrings[num];
1761 Host_Error("PRVM_GetString: invalid string offset %i", num);
1766 int PR_SetQCString(const char *s)
1771 if (s >= pr_strings && s <= pr_strings + pr_stringssize)
1772 return s - pr_strings;
1773 for (i = 0;i < pr_numknownstrings;i++)
1774 if (pr_knownstrings[i] == s)
1776 Host_Error("PR_SetQCString: unknown string");
1780 int PRVM_SetEngineString(const char *s)
1785 if (s >= pr_strings && s <= pr_strings + pr_stringssize)
1786 Host_Error("PRVM_SetEngineString: s in pr_strings area");
1787 for (i = 0;i < pr_numknownstrings;i++)
1788 if (pr_knownstrings[i] == s)
1790 // new unknown engine string
1791 if (developer.integer >= 3)
1792 Con_Printf("new engine string %p\n", s);
1793 for (i = 0;i < pr_numknownstrings;i++)
1794 if (!pr_knownstrings[i])
1796 if (i >= pr_numknownstrings)
1798 if (i >= pr_maxknownstrings)
1800 const char **oldstrings = pr_knownstrings;
1801 pr_maxknownstrings += 128;
1802 pr_knownstrings = PR_Alloc(pr_maxknownstrings * sizeof(char *));
1803 if (pr_numknownstrings)
1804 memcpy((char **)pr_knownstrings, oldstrings, pr_numknownstrings * sizeof(char *));
1806 pr_numknownstrings++;
1808 pr_knownstrings[i] = s;
1812 char *PR_AllocString(int bufferlength)
1817 for (i = 0;i < pr_numknownstrings;i++)
1818 if (!pr_knownstrings[i])
1820 if (i >= pr_numknownstrings)
1822 if (i >= pr_maxknownstrings)
1824 const char **oldstrings = pr_knownstrings;
1825 pr_maxknownstrings += 128;
1826 pr_knownstrings = PR_Alloc(pr_maxknownstrings * sizeof(char *));
1827 if (pr_numknownstrings)
1828 memcpy((char **)pr_knownstrings, oldstrings, pr_numknownstrings * sizeof(char *));
1830 pr_numknownstrings++;
1832 return (char *)(pr_knownstrings[i] = PR_Alloc(bufferlength));
1835 void PR_FreeString(char *s)
1839 Host_Error("PR_FreeString: attempt to free a NULL string");
1840 if (s >= pr_strings && s <= pr_strings + pr_stringssize)
1841 Host_Error("PR_FreeString: attempt to free a constant string");
1842 for (i = 0;i < pr_numknownstrings;i++)
1843 if (pr_knownstrings[i] == s)
1845 if (i == pr_numknownstrings)
1846 Host_Error("PR_FreeString: attempt to free a non-existent or already freed string");
1847 PR_Free((char *)pr_knownstrings[i]);
1848 pr_knownstrings[i] = NULL;