/* sv_edict.c entity dictionary $Header: /cvsroot/uhexen2/hexen2/pr_edict.c,v 1.49 2007/09/22 15:27:14 sezero Exp $ */ #include "quakedef.h" dprograms_t *progs; dfunction_t *pr_functions; static char *pr_strings; static int pr_stringssize; static char **pr_knownstrings; static int pr_maxknownstrings; static int pr_numknownstrings; static ddef_t *pr_fielddefs; static ddef_t *pr_globaldefs; dstatement_t *pr_statements; globalvars_t *pr_global_struct; globalvars_v111_t *pr_global_struct_v111; qboolean old_progdefs; // whether we have a Hexen2-v1.11 globals struct float *pr_globals; // same as pr_global_struct int pr_edict_size; // in bytes qboolean ignore_precache = false; unsigned short pr_crc; int type_size[8] = { 1, // ev_void 1, // sizeof(string_t) / 4 // ev_string 1, // ev_float 3, // ev_vector 1, // ev_entity 1, // ev_field 1, // sizeof(func_t) / 4 // ev_function 1 // sizeof(void *) / 4 // ev_pointer }; static ddef_t *ED_FieldAtOfs (int ofs); static qboolean ED_ParseEpair (void *base, ddef_t *key, const char *s); static char field_name[256], class_name[256]; static qboolean RemoveBadReferences; #define MAX_FIELD_LEN 64 #define GEFV_CACHESIZE 2 typedef struct { ddef_t *pcache; char field[MAX_FIELD_LEN]; } gefv_cache; static gefv_cache gefvCache[GEFV_CACHESIZE] = { { NULL, "" }, { NULL, "" } }; cvar_t max_temp_edicts = {"max_temp_edicts", "30", CVAR_ARCHIVE}; // these actually are not used in hexen2, but mods may use them. cvar_t nomonsters = {"nomonsters", "0", CVAR_NONE}; cvar_t gamecfg = {"gamecfg", "0", CVAR_NONE}; cvar_t savedgamecfg = {"savedgamecfg", "0", CVAR_ARCHIVE}; cvar_t saved1 = {"saved1", "0", CVAR_ARCHIVE}; cvar_t saved2 = {"saved2", "0", CVAR_ARCHIVE}; cvar_t saved3 = {"saved3", "0", CVAR_ARCHIVE}; cvar_t saved4 = {"saved4", "0", CVAR_ARCHIVE}; cvar_t scratch1 = {"scratch1", "0", CVAR_NONE}; cvar_t scratch2 = {"scratch2", "0", CVAR_NONE}; cvar_t scratch3 = {"scratch3", "0", CVAR_NONE}; cvar_t scratch4 = {"scratch4", "0", CVAR_NONE}; //=========================================================================== /* ================= ED_ClearEdict Sets everything to NULL ================= */ void ED_ClearEdict (edict_t *e) { memset (&e->v, 0, progs->entityfields * 4); memset (&e->baseline, 0, sizeof(e->baseline)); e->free = false; } /* ================= ED_Alloc Either finds a free edict, or allocates a new one. Try to avoid reusing an entity that was recently freed, because it can cause the client to think the entity morphed into something else instead of being removed and recreated, which can cause interpolated angles and bad trails. ================= */ edict_t *ED_Alloc (void) { int i; edict_t *e; for (i = svs.maxclients + 1 + max_temp_edicts.integer; i < sv.num_edicts; i++) { e = EDICT_NUM(i); // the first couple seconds of server time can involve a lot of // freeing and allocating, so relax the replacement policy if (e->free && ( e->freetime < 2 || sv.time - e->freetime > 0.5 ) ) { ED_ClearEdict (e); return e; } } if (i == MAX_EDICTS) { SV_Edicts("edicts.txt"); Sys_Error ("%s: no free edicts", __thisfunc__); } sv.num_edicts++; e = EDICT_NUM(i); ED_ClearEdict (e); return e; } edict_t *ED_Alloc_Temp (void) { int i, j; edict_t *e, *Least; float LeastTime; qboolean LeastSet; LeastTime = -1; LeastSet = false; Least = NULL; // shut up compiler for (i = svs.maxclients + 1, j = 0; j < max_temp_edicts.integer; i++, j++) { e = EDICT_NUM(i); // the first couple seconds of server time can involve a lot of // freeing and allocating, so relax the replacement policy if (e->free && ( e->freetime < 2 || sv.time - e->freetime > 0.5 ) ) { ED_ClearEdict (e); e->alloctime = sv.time; return e; } else if (e->alloctime < LeastTime || !LeastSet) { Least = e; LeastTime = e->alloctime; LeastSet = true; } } ED_Free(Least); ED_ClearEdict (Least); Least->alloctime = sv.time; return Least; } /* ================= ED_Free Marks the edict as free FIXME: walk all entities and NULL out references to this entity ================= */ void ED_Free (edict_t *ed) { SV_UnlinkEdict (ed); // unlink from world bsp ed->free = true; ed->v.model = 0; ed->v.takedamage = 0; ed->v.modelindex = 0; ed->v.colormap = 0; ed->v.skin = 0; ed->v.frame = 0; VectorClear (ed->v.origin); VectorClear (ed->v.angles); ed->v.nextthink = -1; ed->v.solid = 0; ed->freetime = sv.time; ed->alloctime = -1; } //=========================================================================== /* ============ ED_GlobalAtOfs ============ */ static ddef_t *ED_GlobalAtOfs (int ofs) { ddef_t *def; int i; for (i = 0; i < progs->numglobaldefs; i++) { def = &pr_globaldefs[i]; if (def->ofs == ofs) return def; } return NULL; } /* ============ ED_FieldAtOfs ============ */ static ddef_t *ED_FieldAtOfs (int ofs) { ddef_t *def; int i; for (i = 0; i < progs->numfielddefs; i++) { def = &pr_fielddefs[i]; if (def->ofs == ofs) return def; } return NULL; } /* ============ ED_FindField ============ */ static ddef_t *ED_FindField (const char *name) { ddef_t *def; int i; for (i = 0; i < progs->numfielddefs; i++) { def = &pr_fielddefs[i]; if ( !strcmp(PR_GetString(def->s_name), name) ) return def; } return NULL; } /* ============ ED_FindGlobal ============ */ static ddef_t *ED_FindGlobal (const char *name) { ddef_t *def; int i; for (i = 0; i < progs->numglobaldefs; i++) { def = &pr_globaldefs[i]; if ( !strcmp(PR_GetString(def->s_name), name) ) return def; } return NULL; } /* ============ ED_FindFunction ============ */ static dfunction_t *ED_FindFunction (const char *fn_name) { dfunction_t *func; int i; for (i = 0; i < progs->numfunctions; i++) { func = &pr_functions[i]; if ( !strcmp(PR_GetString(func->s_name), fn_name) ) return func; } return NULL; } dfunction_t *ED_FindFunctioni (const char *fn_name) { dfunction_t *func; int i; for (i = 0; i < progs->numfunctions; i++) { func = &pr_functions[i]; if ( !q_strcasecmp(PR_GetString(func->s_name), fn_name) ) return func; } return NULL; } eval_t *GetEdictFieldValue(edict_t *ed, const char *field) { ddef_t *def = NULL; int i; static int rep = 0; for (i = 0; i < GEFV_CACHESIZE; i++) { if (!strcmp(field, gefvCache[i].field)) { def = gefvCache[i].pcache; goto Done; } } def = ED_FindField (field); if (strlen(field) < MAX_FIELD_LEN) { gefvCache[rep].pcache = def; strcpy (gefvCache[rep].field, field); rep ^= 1; } Done: if (!def) return NULL; return (eval_t *)((char *)&ed->v + def->ofs*4); } /* ============ PR_ValueString (etype_t type, eval_t *val) Returns a string describing *data in a type specific manner ============= */ static char *PR_ValueString (int type, eval_t *val) { static char line[256]; ddef_t *def; dfunction_t *f; type &= ~DEF_SAVEGLOBAL; switch (type) { case ev_string: sprintf (line, "%s", PR_GetString(val->string)); break; case ev_entity: sprintf (line, "entity %i", NUM_FOR_EDICT(PROG_TO_EDICT(val->edict)) ); break; case ev_function: f = pr_functions + val->function; sprintf (line, "%s()", PR_GetString(f->s_name)); break; case ev_field: def = ED_FieldAtOfs ( val->_int ); sprintf (line, ".%s", PR_GetString(def->s_name)); break; case ev_void: sprintf (line, "void"); break; case ev_float: sprintf (line, "%5.1f", val->_float); break; case ev_vector: sprintf (line, "'%5.1f %5.1f %5.1f'", val->vector[0], val->vector[1], val->vector[2]); break; case ev_pointer: sprintf (line, "pointer"); break; default: sprintf (line, "bad type %i", type); break; } return line; } /* ============ PR_UglyValueString (etype_t type, eval_t *val) Returns a string describing *data in a type specific manner Easier to parse than PR_ValueString ============= */ static char *PR_UglyValueString (int type, eval_t *val) { static char line[256]; ddef_t *def; dfunction_t *f; type &= ~DEF_SAVEGLOBAL; switch (type) { case ev_string: sprintf (line, "%s", PR_GetString(val->string)); break; case ev_entity: sprintf (line, "%i", NUM_FOR_EDICT(PROG_TO_EDICT(val->edict))); break; case ev_function: f = pr_functions + val->function; sprintf (line, "%s", PR_GetString(f->s_name)); break; case ev_field: def = ED_FieldAtOfs ( val->_int ); sprintf (line, "%s", PR_GetString(def->s_name)); break; case ev_void: sprintf (line, "void"); break; case ev_float: sprintf (line, "%f", val->_float); break; case ev_vector: sprintf (line, "%f %f %f", val->vector[0], val->vector[1], val->vector[2]); break; default: sprintf (line, "bad type %i", type); break; } return line; } /* ============ PR_GlobalString Returns a string with a description and the contents of a global, padded to 20 field width ============ */ char *PR_GlobalString (int ofs) { char *s; int i; ddef_t *def; void *val; static char line[128]; val = (void *)&pr_globals[ofs]; def = ED_GlobalAtOfs(ofs); if (!def) sprintf (line,"%i(?)", ofs); else { s = PR_ValueString (def->type, (eval_t *)val); sprintf (line,"%i(%s)%s", ofs, PR_GetString(def->s_name), s); } i = strlen(line); for ( ; i < 20; i++) strcat (line, " "); strcat (line, " "); return line; } char *PR_GlobalStringNoContents (int ofs) { int i; ddef_t *def; static char line[128]; def = ED_GlobalAtOfs(ofs); if (!def) sprintf (line,"%i(?)", ofs); else sprintf (line,"%i(%s)", ofs, PR_GetString(def->s_name)); i = strlen(line); for ( ; i < 20; i++) strcat (line, " "); strcat (line, " "); return line; } /* ============= ED_Print For debugging ============= */ void ED_Print (edict_t *ed) { ddef_t *d; int *v; int i, j, l; char *name; int type; if (ed->free) { Con_Printf ("FREE\n"); return; } Con_Printf("\nEDICT %i:\n", NUM_FOR_EDICT(ed)); for (i = 1; i < progs->numfielddefs; i++) { d = &pr_fielddefs[i]; name = PR_GetString(d->s_name); l = strlen (name); j = l - 1; if (j > 0 && name[j-1] == '_' && name[j] >= 'x' && name[j] <= 'z') continue; // skip _x, _y, _z vars v = (int *)((char *)&ed->v + d->ofs*4); // if the value is still all 0, skip the field type = d->type & ~DEF_SAVEGLOBAL; for (j = 0; j < type_size[type]; j++) { if (v[j]) break; } if (j == type_size[type]) continue; Con_Printf ("%s", name); while (l++ < 15) Con_Printf (" "); Con_Printf ("%s\n", PR_ValueString(d->type, (eval_t *)v)); } } /* ============= ED_Write For savegames ============= */ void ED_Write (FILE *f, edict_t *ed) { ddef_t *d; int *v; int i, j; char *name; int type; fprintf (f, "{\n"); if (ed->free) { fprintf (f, "}\n"); return; } RemoveBadReferences = true; if (ed->v.classname) strcpy (class_name, PR_GetString(ed->v.classname)); else class_name[0] = 0; for (i = 1; i < progs->numfielddefs; i++) { d = &pr_fielddefs[i]; name = PR_GetString(d->s_name); j = strlen(name) - 1; if (j > 0 && name[j-1] == '_' && name[j] >= 'x' && name[j] <= 'z') continue; // skip _x, _y, _z vars v = (int *)((char *)&ed->v + d->ofs*4); // if the value is still all 0, skip the field type = d->type & ~DEF_SAVEGLOBAL; for (j = 0; j < type_size[type]; j++) { if (v[j]) break; } if (j == type_size[type]) continue; strcpy(field_name, name); fprintf (f, "\"%s\" ", name); fprintf (f, "\"%s\"\n", PR_UglyValueString(d->type, (eval_t *)v)); } field_name[0] = 0; class_name[0] = 0; fprintf (f, "}\n"); RemoveBadReferences = false; } void ED_PrintNum (int ent) { ED_Print (EDICT_NUM(ent)); } /* ============= ED_PrintEdicts For debugging, prints all the entities in the current server ============= */ void ED_PrintEdicts (void) { int i; Con_Printf ("%i entities\n", sv.num_edicts); for (i = 0; i < sv.num_edicts; i++) ED_PrintNum (i); } /* ============= ED_PrintEdict_f For debugging, prints a single edicy ============= */ static void ED_PrintEdict_f (void) { int i; i = atoi (Cmd_Argv(1)); if (i >= sv.num_edicts) { Con_Printf("Bad edict number\n"); return; } ED_PrintNum (i); } /* ============= ED_Count For debugging ============= */ static void ED_Count (void) { int i; edict_t *ent; int active, models, solid, step; active = models = solid = step = 0; for (i = 0; i < sv.num_edicts; i++) { ent = EDICT_NUM(i); if (ent->free) continue; active++; if (ent->v.solid) solid++; if (ent->v.model) models++; if (ent->v.movetype == MOVETYPE_STEP) step++; } Con_Printf ("num_edicts:%3i\n", sv.num_edicts); Con_Printf ("active :%3i\n", active); Con_Printf ("view :%3i\n", models); Con_Printf ("touch :%3i\n", solid); Con_Printf ("step :%3i\n", step); } /* ============================================================================== ARCHIVING GLOBALS FIXME: need to tag constants, doesn't really work ============================================================================== */ /* ============= ED_WriteGlobals ============= */ void ED_WriteGlobals (FILE *f) { ddef_t *def; int i; char *name; int type; fprintf (f, "{\n"); for (i = 0; i < progs->numglobaldefs; i++) { def = &pr_globaldefs[i]; type = def->type; if ( !(def->type & DEF_SAVEGLOBAL) ) continue; type &= ~DEF_SAVEGLOBAL; if (type != ev_string && type != ev_float && type != ev_entity) continue; name = PR_GetString(def->s_name); fprintf (f, "\"%s\" ", name); fprintf (f, "\"%s\"\n", PR_UglyValueString(type, (eval_t *)&pr_globals[def->ofs])); } fprintf (f, "}\n"); } /* ============= ED_ParseGlobals ============= */ void ED_ParseGlobals (char *data) { char keyname[64]; ddef_t *key; while (1) { // parse key data = COM_Parse (data); if (com_token[0] == '}') break; if (!data) Sys_Error ("%s: EOF without closing brace", __thisfunc__); strcpy (keyname, com_token); // parse value data = COM_Parse (data); if (!data) Sys_Error ("%s: EOF without closing brace", __thisfunc__); if (com_token[0] == '}') Sys_Error ("%s: closing brace without data", __thisfunc__); key = ED_FindGlobal (keyname); if (!key) { Con_Printf ("'%s' is not a global\n", keyname); continue; } if (!ED_ParseEpair ((void *)pr_globals, key, com_token)) Host_Error ("%s: parse error", __thisfunc__); } } //============================================================================ /* ============= ED_NewString ============= */ static string_t ED_NewString (const char *string) { char *new_p; int i, l; string_t num; l = strlen(string) + 1; num = PR_AllocString (l, &new_p); for (i = 0; i < l; i++) { if (string[i] == '\\' && i < l-1) { i++; if (string[i] == 'n') *new_p++ = '\n'; else *new_p++ = '\\'; } else *new_p++ = string[i]; } return num; } /* ============= ED_ParseEval Can parse either fields or globals returns false if error ============= */ static qboolean ED_ParseEpair (void *base, ddef_t *key, const char *s) { int i; char string[128]; ddef_t *def; char *v, *w; void *d; dfunction_t *func; d = (void *)((int *)base + key->ofs); switch (key->type & ~DEF_SAVEGLOBAL) { case ev_string: *(string_t *)d = ED_NewString(s); break; case ev_float: *(float *)d = atof (s); break; case ev_vector: strcpy (string, s); v = string; w = string; for (i = 0; i < 3; i++) { while (*v && *v != ' ') v++; *v = 0; ((float *)d)[i] = atof (w); w = v = v+1; } break; case ev_entity: *(int *)d = EDICT_TO_PROG(EDICT_NUM(atoi (s))); break; case ev_field: def = ED_FindField (s); if (!def) { Con_Printf ("Can't find field %s\n", s); return false; } *(int *)d = G_INT(def->ofs); break; case ev_function: func = ED_FindFunction (s); if (!func) { Con_Printf ("Can't find function %s\n", s); return false; } *(func_t *)d = func - pr_functions; break; default: break; } return true; } /* ==================== ED_ParseEdict Parses an edict out of the given string, returning the new position ed should be a properly initialized empty edict. Used for initial level load and for savegames. ==================== */ char *ED_ParseEdict (char *data, edict_t *ent) { ddef_t *key; qboolean anglehack; qboolean init; char keyname[256]; int n; init = false; // clear it if (ent != sv.edicts) // hack memset (&ent->v, 0, progs->entityfields * 4); // go through all the dictionary pairs while (1) { // parse key data = COM_Parse (data); if (com_token[0] == '}') break; if (!data) Sys_Error ("%s: EOF without closing brace", __thisfunc__); // anglehack is to allow QuakeEd to write single scalar angles // and allow them to be turned into vectors. (FIXME...) if (!strcmp(com_token, "angle")) { strcpy (com_token, "angles"); anglehack = true; } else anglehack = false; // FIXME: change light to _light to get rid of this hack if (!strcmp(com_token, "light")) strcpy (com_token, "light_lev"); // hack for single light def strcpy (keyname, com_token); // another hack to fix heynames with trailing spaces n = strlen(keyname); while (n && keyname[n-1] == ' ') { keyname[n-1] = 0; n--; } // parse value data = COM_Parse (data); if (!data) Sys_Error ("%s: EOF without closing brace", __thisfunc__); if (com_token[0] == '}') Sys_Error ("%s: closing brace without data", __thisfunc__); init = true; // keynames with a leading underscore are used for utility comments, // and are immediately discarded by quake if (keyname[0] == '_') continue; if (q_strcasecmp(keyname,"MIDI") == 0) { strcpy(sv.midi_name, com_token); continue; } else if (q_strcasecmp(keyname,"CD") == 0) { sv.cd_track = (byte)atoi(com_token); continue; } key = ED_FindField (keyname); if (!key) { Con_Printf ("'%s' is not a field\n", keyname); continue; } if (anglehack) { char temp[32]; strcpy (temp, com_token); sprintf (com_token, "0 %s 0", temp); } if (!ED_ParseEpair ((void *)&ent->v, key, com_token)) Host_Error ("%s: parse error", __thisfunc__); } if (!init) ent->free = true; return data; } extern int entity_file_size; /* ================ ED_LoadFromFile The entities are directly placed in the array, rather than allocated with ED_Alloc, because otherwise an error loading the map would have entity number references out of order. Creates a server's entity / program execution context by parsing textual entity definitions out of an ent file. Used for both fresh maps and savegame loads. A fresh map would also need to call ED_CallSpawnFunctions () to let the objects initialize themselves. ================ */ void ED_LoadFromFile (char *data) { dfunction_t *func; edict_t *ent = NULL; int inhibit = 0; #if !defined(SERVERONLY) int start_amount = current_loading_size; char *orig = data; #endif /* SERVERONLY */ if (old_progdefs) pr_global_struct_v111->time = sv.time; else pr_global_struct->time = sv.time; // parse ents while (1) { // parse the opening brace data = COM_Parse (data); if (!data) break; #if !defined(SERVERONLY) if (entity_file_size) { current_loading_size = start_amount + ((data - orig) * 80 / entity_file_size); D_ShowLoadingSize(); } #endif /* SERVERONLY */ if (com_token[0] != '{') Sys_Error ("%s: found %s when expecting {", __thisfunc__, com_token); if (!ent) ent = EDICT_NUM(0); else ent = ED_Alloc (); data = ED_ParseEdict (data, ent); #if 0 //jfm fuckup test //remove for final release if (ent->v.spawnflags > 1 && !strcmp("worldspawn", PR_GetString(ent->v.classname))) { Host_Error ("invalid SpawnFlags on World!!!\n"); } #endif // remove things from different skill levels or deathmatch if (deathmatch.integer) { if (((int)ent->v.spawnflags & SPAWNFLAG_NOT_DEATHMATCH)) { ED_Free (ent); inhibit++; continue; } } else if (coop.integer) { if (((int)ent->v.spawnflags & SPAWNFLAG_NOT_COOP)) { ED_Free (ent); inhibit++; continue; } } else { // Gotta be single player #if defined(SERVERONLY) Host_Error ("%s: Neither deathmatch nor coop is set!", __thisfunc__); #else int skip; if (((int)ent->v.spawnflags & SPAWNFLAG_NOT_SINGLE)) { ED_Free (ent); inhibit++; continue; } skip = 0; switch (cl_playerclass.integer) { case CLASS_PALADIN: if ((int)ent->v.spawnflags & SPAWNFLAG_NOT_PALADIN) { skip = 1; } break; case CLASS_CLERIC: if ((int)ent->v.spawnflags & SPAWNFLAG_NOT_CLERIC) { skip = 1; } break; case CLASS_DEMON: case CLASS_NECROMANCER: if ((int)ent->v.spawnflags & SPAWNFLAG_NOT_NECROMANCER) { skip = 1; } break; case CLASS_THEIF: if ((int)ent->v.spawnflags & SPAWNFLAG_NOT_THEIF) { skip = 1; } break; } if (skip) { ED_Free (ent); inhibit++; continue; } #endif /* SERVERONLY */ } if ((current_skill == 0 && ((int)ent->v.spawnflags & SPAWNFLAG_NOT_EASY)) || (current_skill == 1 && ((int)ent->v.spawnflags & SPAWNFLAG_NOT_MEDIUM)) || (current_skill >= 2 && ((int)ent->v.spawnflags & SPAWNFLAG_NOT_HARD)) ) { ED_Free (ent); inhibit++; continue; } // // immediately call spawn function // if (!ent->v.classname) { Con_Printf ("No classname for:\n"); ED_Print (ent); ED_Free (ent); continue; } // look for the spawn function func = ED_FindFunction ( PR_GetString(ent->v.classname) ); if (!func) { Con_Printf ("No spawn function for:\n"); ED_Print (ent); ED_Free (ent); continue; } if (old_progdefs) pr_global_struct_v111->self = EDICT_TO_PROG(ent); else pr_global_struct->self = EDICT_TO_PROG(ent); PR_ExecuteProgram (func - pr_functions); } Con_DPrintf ("%i entities inhibited\n", inhibit); } /* =============== PR_LoadProgs =============== */ void PR_LoadProgs (void) { unsigned int i; char finalprogname[MAX_OSPATH]; #if USE_MULTIPLE_PROGS FILE *FH; #endif // flush the non-C variable lookup cache for (i = 0; i < GEFV_CACHESIZE; i++) gefvCache[i].field[0] = 0; CRC_Init (&pr_crc); strcpy(finalprogname, "progs.dat"); #if USE_MULTIPLE_PROGS // see the comments in progs.h about multiple progs FS_OpenFile ("maplist.txt", &FH, true); if (FH) { char build[2048], *test; char mapname[MAX_QPATH], progname[MAX_OSPATH]; int j, k; // Format of maplist.txt : // Line #1 : // Line #2+: fgets(build, sizeof(build), FH); j = atoi(build); for (i = 0; i < j; i++) { k = 0; memset (build, 0, sizeof(build)); test = fgets (build, sizeof(build), FH); if (test) { // remove end-of-line characters while (build[k]) { if (build[k] == '\r' || build[k] == '\n') build[k] = '\0'; // while we're here, replace tabs with spaces if (build[k] == '\t') build[k] = ' '; k++; } // go to the last character while (build[k] == 0 && k > 0) k--; // remove trailing spaces while (k > 0) { if (build[k] == ' ') { build[k] = '\0'; k--; } else break; } test = strchr(build, ' '); if (test) { *test = 0; strcpy(mapname, build); // in case someone uses more than one space *test = ' '; while (*test == ' ') test++; strcpy(progname, test); if (q_strcasecmp(mapname, sv.name) == 0) { strcpy(finalprogname, progname); break; } } } } fclose (FH); } #endif // end of USE_MULTIPLE_PROGS progs = (dprograms_t *)FS_LoadHunkFile (finalprogname); if (!progs) Sys_Error ("%s: couldn't load %s", __thisfunc__, finalprogname); Con_DPrintf ("Programs occupy %luK.\n", (unsigned long)(fs_filesize/1024)); for (i = 0; i < fs_filesize; i++) CRC_ProcessByte (&pr_crc, ((byte *)progs)[i]); // byte swap the header for (i = 0; i < sizeof(*progs)/4; i++) ((int *)progs)[i] = LittleLong ( ((int *)progs)[i] ); if (progs->version != PROG_VERSION) Sys_Error ("%s has wrong version number %d (should be %d)", finalprogname, progs->version, PROG_VERSION); if (progs->crc != PROGS_V111_CRC && progs->crc != PROGS_V112_CRC) Sys_Error ("Unexpected crc ( %d ) for %s", progs->crc, finalprogname); pr_functions = (dfunction_t *)((byte *)progs + progs->ofs_functions); pr_strings = (char *)progs + progs->ofs_strings; if (progs->ofs_strings + progs->numstrings >= (int)fs_filesize) Host_Error ("%s: strings go past end of file\n", finalprogname); pr_numknownstrings = 0; pr_maxknownstrings = 0; pr_stringssize = progs->numstrings; if (pr_knownstrings) Z_Free (pr_knownstrings); pr_knownstrings = NULL; PR_SetEngineString(""); // initialize the strings pr_globaldefs = (ddef_t *)((byte *)progs + progs->ofs_globaldefs); pr_fielddefs = (ddef_t *)((byte *)progs + progs->ofs_fielddefs); pr_statements = (dstatement_t *)((byte *)progs + progs->ofs_statements); Con_Printf ("Loaded %s ", finalprogname); if (progs->crc == PROGS_V111_CRC) { Con_Printf ("(%d crc: 1.11 style)\n", PROGS_V111_CRC); old_progdefs = true; pr_global_struct_v111 = (globalvars_v111_t *)((byte *)progs + progs->ofs_globals); pr_globals = (float *)pr_global_struct_v111; pr_global_struct = NULL; } else { Con_Printf ("(%d crc: 1.12 style)\n", PROGS_V112_CRC); old_progdefs = false; pr_global_struct = (globalvars_t *)((byte *)progs + progs->ofs_globals); pr_globals = (float *)pr_global_struct; pr_global_struct_v111 = NULL; } #if BYTE_ORDER == BIG_ENDIAN // byte swap the lumps for (i = 0; i < progs->numstatements; i++) { pr_statements[i].op = LittleShort(pr_statements[i].op); pr_statements[i].a = LittleShort(pr_statements[i].a); pr_statements[i].b = LittleShort(pr_statements[i].b); pr_statements[i].c = LittleShort(pr_statements[i].c); } for (i = 0; i < progs->numfunctions; i++) { pr_functions[i].first_statement = LittleLong (pr_functions[i].first_statement); pr_functions[i].parm_start = LittleLong (pr_functions[i].parm_start); pr_functions[i].s_name = LittleLong (pr_functions[i].s_name); pr_functions[i].s_file = LittleLong (pr_functions[i].s_file); pr_functions[i].numparms = LittleLong (pr_functions[i].numparms); pr_functions[i].locals = LittleLong (pr_functions[i].locals); } for (i = 0; i < progs->numglobaldefs; i++) { pr_globaldefs[i].type = LittleShort (pr_globaldefs[i].type); pr_globaldefs[i].ofs = LittleShort (pr_globaldefs[i].ofs); pr_globaldefs[i].s_name = LittleLong (pr_globaldefs[i].s_name); } for (i = 0; i < progs->numfielddefs; i++) { pr_fielddefs[i].type = LittleShort (pr_fielddefs[i].type); if (pr_fielddefs[i].type & DEF_SAVEGLOBAL) Sys_Error ("%s: pr_fielddefs[i].type & DEF_SAVEGLOBAL", __thisfunc__); pr_fielddefs[i].ofs = LittleShort (pr_fielddefs[i].ofs); pr_fielddefs[i].s_name = LittleLong (pr_fielddefs[i].s_name); } for (i = 0; i < progs->numglobals; i++) ((int *)pr_globals)[i] = LittleLong (((int *)pr_globals)[i]); #endif // BIG_ENDIAN pr_edict_size = progs->entityfields * 4 + sizeof(edict_t) - sizeof(entvars_t); // round off to next highest whole word address (esp for Alpha) // this ensures that pointers in the engine data area are always // properly aligned pr_edict_size += sizeof(void *) - 1; pr_edict_size &= ~(sizeof(void *) - 1); #if !defined(SERVERONLY) // set the cl_playerclass value after pr_global_struct has been created if (progs->crc == PROGS_V112_CRC) pr_global_struct->cl_playerclass = cl_playerclass.value; #endif } /* =============== PR_Init =============== */ void PR_Init (void) { Cmd_AddCommand ("edict", ED_PrintEdict_f); Cmd_AddCommand ("edicts", ED_PrintEdicts); Cmd_AddCommand ("edictcount", ED_Count); Cmd_AddCommand ("profile", PR_Profile_f); Cvar_RegisterVariable (&max_temp_edicts); Cvar_RegisterVariable (&nomonsters); Cvar_RegisterVariable (&gamecfg); Cvar_RegisterVariable (&savedgamecfg); Cvar_RegisterVariable (&scratch1); Cvar_RegisterVariable (&scratch2); Cvar_RegisterVariable (&scratch3); Cvar_RegisterVariable (&scratch4); Cvar_RegisterVariable (&saved1); Cvar_RegisterVariable (&saved2); Cvar_RegisterVariable (&saved3); Cvar_RegisterVariable (&saved4); } //=========================================================================== edict_t *EDICT_NUM(int n) { if (n < 0 || n >= MAX_EDICTS) Sys_Error ("%s: bad number %i", __thisfunc__, n); return (edict_t *)((byte *)sv.edicts + (n)*pr_edict_size); } int NUM_FOR_EDICT(edict_t *e) { int b; b = (byte *)e - (byte *)sv.edicts; b = b / pr_edict_size; if (b < 0 || b >= sv.num_edicts) { if (!RemoveBadReferences) { Con_DPrintf ("%s: bad pointer, Class: %s Field: %s, Index %d, Total %d\n", __thisfunc__, class_name, field_name, b, sv.num_edicts); } return 0; } if (e->free && RemoveBadReferences) { // Con_DPrintf ("%s: freed edict, Class: %s Field: %s, Index %d, Total %d\n", // __thisfunc__, class_name, field_name, b, sv.num_edicts); return 0; } return b; } //=========================================================================== #define PR_STRING_ALLOCSLOTS 256 static void PR_AllocStringSlots (void) { pr_maxknownstrings += PR_STRING_ALLOCSLOTS; Sys_DPrintf("%s: realloc'ing for %d slots\n", __thisfunc__, pr_maxknownstrings); pr_knownstrings = (char **) Z_Realloc (pr_knownstrings, pr_maxknownstrings * sizeof(char *), Z_MAINZONE); } char *PR_GetString (int num) { if (num >= 0 && num < pr_stringssize) return pr_strings + num; else if (num < 0 && num >= -pr_numknownstrings) { if (!pr_knownstrings[-1 - num]) { Host_Error ("%s: attempt to get a non-existant string %d\n", __thisfunc__, num); return ""; } return pr_knownstrings[-1 - num]; } else { Host_Error ("%s: invalid string offset %d\n", __thisfunc__, num); return ""; } } int PR_SetEngineString (char *s) { int i; if (!s) return 0; if (s >= pr_strings && s <= pr_strings + pr_stringssize) Host_Error ("%s: \"%s\" is in pr_strings area\n", __thisfunc__, s); for (i = 0; i < pr_numknownstrings; i++) { if (pr_knownstrings[i] == s) return -1 - i; } // new unknown engine string DEBUG_Printf ("%s: new engine string %p\n", __thisfunc__, s); #if 0 for (i = 0; i < pr_numknownstrings; i++) { if (!pr_knownstrings[i]) break; } #endif // if (i >= pr_numknownstrings) // { if (i >= pr_maxknownstrings) PR_AllocStringSlots(); pr_numknownstrings++; // } pr_knownstrings[i] = s; return -1 - i; } int PR_AllocString (int size, char **ptr) { int i; if (!size) return 0; for (i = 0; i < pr_numknownstrings; i++) { if (!pr_knownstrings[i]) break; } // if (i >= pr_numknownstrings) // { if (i >= pr_maxknownstrings) PR_AllocStringSlots(); pr_numknownstrings++; // } pr_knownstrings[i] = (char *)Hunk_AllocName(size, "string"); if (ptr) *ptr = pr_knownstrings[i]; return -1 - i; }