ref: 5702215932d39c3ecd518f96d4ad3f98042625c0
dir: /xatrix/g_save.c/
#include <u.h> #include <libc.h> #include <stdio.h> #include "../dat.h" #include "../fns.h" #define Function(f) {#f, f} mmove_t mmove_reloc; field_t fields[] = { {"classname", FOFS(classname), F_LSTRING}, {"model", FOFS(model), F_LSTRING}, {"spawnflags", FOFS(spawnflags), F_INT}, {"speed", FOFS(speed), F_FLOAT}, {"accel", FOFS(accel), F_FLOAT}, {"decel", FOFS(decel), F_FLOAT}, {"target", FOFS(target), F_LSTRING}, {"targetname", FOFS(targetname), F_LSTRING}, {"pathtarget", FOFS(pathtarget), F_LSTRING}, {"deathtarget", FOFS(deathtarget), F_LSTRING}, {"killtarget", FOFS(killtarget), F_LSTRING}, {"combattarget", FOFS(combattarget), F_LSTRING}, {"message", FOFS(message), F_LSTRING}, {"team", FOFS(team), F_LSTRING}, {"wait", FOFS(wait), F_FLOAT}, {"delay", FOFS(delay), F_FLOAT}, {"random", FOFS(random), F_FLOAT}, {"move_origin", FOFS(move_origin), F_VECTOR}, {"move_angles", FOFS(move_angles), F_VECTOR}, {"style", FOFS(style), F_INT}, {"count", FOFS(count), F_INT}, {"health", FOFS(health), F_INT}, {"sounds", FOFS(sounds), F_INT}, {"light", 0, F_IGNORE}, {"dmg", FOFS(dmg), F_INT}, {"mass", FOFS(mass), F_INT}, {"volume", FOFS(volume), F_FLOAT}, {"attenuation", FOFS(attenuation), F_FLOAT}, {"map", FOFS(map), F_LSTRING}, {"origin", FOFS(s.origin), F_VECTOR}, {"angles", FOFS(s.angles), F_VECTOR}, {"angle", FOFS(s.angles), F_ANGLEHACK}, {"goalentity", FOFS(goalentity), F_EDICT, FFL_NOSPAWN}, {"movetarget", FOFS(movetarget), F_EDICT, FFL_NOSPAWN}, {"enemy", FOFS(enemy), F_EDICT, FFL_NOSPAWN}, {"oldenemy", FOFS(oldenemy), F_EDICT, FFL_NOSPAWN}, {"activator", FOFS(activator), F_EDICT, FFL_NOSPAWN}, {"groundentity", FOFS(groundentity), F_EDICT, FFL_NOSPAWN}, {"teamchain", FOFS(teamchain), F_EDICT, FFL_NOSPAWN}, {"teammaster", FOFS(teammaster), F_EDICT, FFL_NOSPAWN}, {"owner", FOFS(owner), F_EDICT, FFL_NOSPAWN}, {"mynoise", FOFS(mynoise), F_EDICT, FFL_NOSPAWN}, {"mynoise2", FOFS(mynoise2), F_EDICT, FFL_NOSPAWN}, {"target_ent", FOFS(target_ent), F_EDICT, FFL_NOSPAWN}, {"chain", FOFS(chain), F_EDICT, FFL_NOSPAWN}, {"prethink", FOFS(prethink), F_FUNCTION, FFL_NOSPAWN}, {"think", FOFS(think), F_FUNCTION, FFL_NOSPAWN}, {"blocked", FOFS(blocked), F_FUNCTION, FFL_NOSPAWN}, {"touch", FOFS(touch), F_FUNCTION, FFL_NOSPAWN}, {"use", FOFS(use), F_FUNCTION, FFL_NOSPAWN}, {"pain", FOFS(pain), F_FUNCTION, FFL_NOSPAWN}, {"die", FOFS(die), F_FUNCTION, FFL_NOSPAWN}, {"stand", FOFS(monsterinfo.stand), F_FUNCTION, FFL_NOSPAWN}, {"idle", FOFS(monsterinfo.idle), F_FUNCTION, FFL_NOSPAWN}, {"search", FOFS(monsterinfo.search), F_FUNCTION, FFL_NOSPAWN}, {"walk", FOFS(monsterinfo.walk), F_FUNCTION, FFL_NOSPAWN}, {"run", FOFS(monsterinfo.run), F_FUNCTION, FFL_NOSPAWN}, {"dodge", FOFS(monsterinfo.dodge), F_FUNCTION, FFL_NOSPAWN}, {"attack", FOFS(monsterinfo.attack), F_FUNCTION, FFL_NOSPAWN}, {"melee", FOFS(monsterinfo.melee), F_FUNCTION, FFL_NOSPAWN}, {"sight", FOFS(monsterinfo.sight), F_FUNCTION, FFL_NOSPAWN}, {"checkattack", FOFS(monsterinfo.checkattack), F_FUNCTION, FFL_NOSPAWN}, {"currentmove", FOFS(monsterinfo.currentmove), F_MMOVE, FFL_NOSPAWN}, {"endfunc", FOFS(moveinfo.endfunc), F_FUNCTION, FFL_NOSPAWN}, // temp spawn vars -- only valid when the spawn function is called {"lip", STOFS(lip), F_INT, FFL_SPAWNTEMP}, {"distance", STOFS(distance), F_INT, FFL_SPAWNTEMP}, {"height", STOFS(height), F_INT, FFL_SPAWNTEMP}, {"noise", STOFS(noise), F_LSTRING, FFL_SPAWNTEMP}, {"pausetime", STOFS(pausetime), F_FLOAT, FFL_SPAWNTEMP}, {"item", STOFS(item), F_LSTRING, FFL_SPAWNTEMP}, //need for item field in edict struct, FFL_SPAWNTEMP item will be skipped on saves {"item", FOFS(item), F_ITEM}, {"gravity", STOFS(gravity), F_LSTRING, FFL_SPAWNTEMP}, {"sky", STOFS(sky), F_LSTRING, FFL_SPAWNTEMP}, {"skyrotate", STOFS(skyrotate), F_FLOAT, FFL_SPAWNTEMP}, {"skyaxis", STOFS(skyaxis), F_VECTOR, FFL_SPAWNTEMP}, {"minyaw", STOFS(minyaw), F_FLOAT, FFL_SPAWNTEMP}, {"maxyaw", STOFS(maxyaw), F_FLOAT, FFL_SPAWNTEMP}, {"minpitch", STOFS(minpitch), F_FLOAT, FFL_SPAWNTEMP}, {"maxpitch", STOFS(maxpitch), F_FLOAT, FFL_SPAWNTEMP}, {"nextmap", STOFS(nextmap), F_LSTRING, FFL_SPAWNTEMP}, {0, 0, 0, 0} }; field_t levelfields[] = { {"changemap", LLOFS(changemap), F_LSTRING}, {"sight_client", LLOFS(sight_client), F_EDICT}, {"sight_entity", LLOFS(sight_entity), F_EDICT}, {"sound_entity", LLOFS(sound_entity), F_EDICT}, {"sound2_entity", LLOFS(sound2_entity), F_EDICT}, {NULL, 0, F_INT} }; field_t clientfields[] = { {"pers.weapon", CLOFS(pers.weapon), F_ITEM}, {"pers.lastweapon", CLOFS(pers.lastweapon), F_ITEM}, {"newweapon", CLOFS(newweapon), F_ITEM}, {NULL, 0, F_INT} }; /* ============ InitGame This will be called when the dll is first loaded, which only happens when a new game is started or a save game is loaded. ============ */ void InitGame (void) { gi.dprintf ("==== InitGame ====\n"); gun_x = gi.cvar ("gun_x", "0", 0); gun_y = gi.cvar ("gun_y", "0", 0); gun_z = gi.cvar ("gun_z", "0", 0); //FIXME: sv_ prefix is wrong for these sv_rollspeed = gi.cvar ("sv_rollspeed", "200", 0); sv_rollangle = gi.cvar ("sv_rollangle", "2", 0); sv_maxvelocity = gi.cvar ("sv_maxvelocity", "2000", 0); sv_gravity = gi.cvar ("sv_gravity", "800", 0); // noset vars dedicated = gi.cvar ("dedicated", "0", CVAR_NOSET); // latched vars sv_cheats = gi.cvar ("cheats", "0", CVAR_SERVERINFO|CVAR_LATCH); gi.cvar ("gamename", GAMEVERSION , CVAR_SERVERINFO | CVAR_LATCH); gi.cvar ("gamedate", "May 30 1998" , CVAR_SERVERINFO | CVAR_LATCH); maxclients = gi.cvar ("maxclients", "4", CVAR_SERVERINFO | CVAR_LATCH); maxspectators = gi.cvar ("maxspectators", "4", CVAR_SERVERINFO); deathmatch = gi.cvar ("deathmatch", "0", CVAR_LATCH); coop = gi.cvar ("coop", "0", CVAR_LATCH); skill = gi.cvar ("skill", "1", CVAR_LATCH); maxentities = gi.cvar ("maxentities", "1024", CVAR_LATCH); // change anytime vars dmflags = gi.cvar ("dmflags", "0", CVAR_SERVERINFO); fraglimit = gi.cvar ("fraglimit", "0", CVAR_SERVERINFO); timelimit = gi.cvar ("timelimit", "0", CVAR_SERVERINFO); password = gi.cvar ("password", "", CVAR_USERINFO); spectator_password = gi.cvar ("spectator_password", "", 0); filterban = gi.cvar ("filterban", "1", 0); g_select_empty = gi.cvar ("g_select_empty", "0", CVAR_ARCHIVE); run_pitch = gi.cvar ("run_pitch", "0.002", 0); run_roll = gi.cvar ("run_roll", "0.005", 0); bob_up = gi.cvar ("bob_up", "0.005", 0); bob_pitch = gi.cvar ("bob_pitch", "0.002", 0); bob_roll = gi.cvar ("bob_roll", "0.002", 0); // flood control flood_msgs = gi.cvar ("flood_msgs", "4", 0); flood_persecond = gi.cvar ("flood_persecond", "4", 0); flood_waitdelay = gi.cvar ("flood_waitdelay", "10", 0); // dm map list sv_maplist = gi.cvar ("sv_maplist", "", 0); // items InitItems (); Com_sprintf (game.helpmessage1, sizeof(game.helpmessage1), ""); Com_sprintf (game.helpmessage2, sizeof(game.helpmessage2), ""); // initialize all entities for this game game.maxentities = maxentities->value; g_edicts = gi.TagMalloc (game.maxentities * sizeof(g_edicts[0]), TAG_GAME); globals.edicts = g_edicts; globals.max_edicts = game.maxentities; // initialize all clients for this game game.maxclients = maxclients->value; game.clients = gi.TagMalloc (game.maxclients * sizeof(game.clients[0]), TAG_GAME); globals.num_edicts = game.maxclients+1; } //========================================================= void WriteField1 (FILE *, field_t *field, byte *base) { void *p; int len; int index; if (field->flags & FFL_SPAWNTEMP) return; p = (void *)(base + field->ofs); switch (field->type) { case F_INT: case F_FLOAT: case F_ANGLEHACK: case F_VECTOR: case F_IGNORE: break; case F_LSTRING: case F_GSTRING: if ( *(char **)p ) len = strlen(*(char **)p) + 1; else len = 0; *(int *)p = len; break; case F_EDICT: if ( *(edict_t **)p == NULL) index = -1; else index = *(edict_t **)p - g_edicts; *(int *)p = index; break; case F_CLIENT: if ( *(gclient_t **)p == NULL) index = -1; else index = *(gclient_t **)p - game.clients; *(int *)p = index; break; case F_ITEM: if ( *(edict_t **)p == NULL) index = -1; else index = *(gitem_t **)p - itemlist; *(int *)p = index; break; //relative to code segment case F_FUNCTION: if (*(byte **)p == NULL) index = 0; else index = *(byte **)p - ((byte *)InitGame); *(int *)p = index; break; //relative to data segment case F_MMOVE: if (*(byte **)p == NULL) index = 0; else index = *(byte **)p - (byte *)&mmove_reloc; *(int *)p = index; break; default: gi.error ("WriteEdict: unknown field type"); } } void WriteField2 (FILE *f, field_t *field, byte *base) { int len; void *p; if (field->flags & FFL_SPAWNTEMP) return; p = (void *)(base + field->ofs); switch (field->type) { case F_LSTRING: if ( *(char **)p ) { len = strlen(*(char **)p) + 1; fwrite (*(char **)p, len, 1, f); } break; } } void ReadField (FILE *f, field_t *field, byte *base) { void *p; int len; int index; if (field->flags & FFL_SPAWNTEMP) return; p = (void *)(base + field->ofs); switch (field->type) { case F_INT: case F_FLOAT: case F_ANGLEHACK: case F_VECTOR: case F_IGNORE: break; case F_LSTRING: len = *(int *)p; if (!len) *(char **)p = NULL; else { *(char **)p = gi.TagMalloc (len, TAG_LEVEL); fread (*(char **)p, len, 1, f); } break; case F_EDICT: index = *(int *)p; if ( index == -1 ) *(edict_t **)p = NULL; else *(edict_t **)p = &g_edicts[index]; break; case F_CLIENT: index = *(int *)p; if ( index == -1 ) *(gclient_t **)p = NULL; else *(gclient_t **)p = &game.clients[index]; break; case F_ITEM: index = *(int *)p; if ( index == -1 ) *(gitem_t **)p = NULL; else *(gitem_t **)p = &itemlist[index]; break; //relative to code segment case F_FUNCTION: index = *(int *)p; if ( index == 0 ) *(byte **)p = NULL; else *(byte **)p = ((byte *)InitGame) + index; break; //relative to data segment case F_MMOVE: index = *(int *)p; if (index == 0) *(byte **)p = NULL; else *(byte **)p = (byte *)&mmove_reloc + index; break; default: gi.error ("ReadEdict: unknown field type"); } } //========================================================= /* ============== WriteClient All pointer variables (except function pointers) must be handled specially. ============== */ void WriteClient (FILE *f, gclient_t *client) { field_t *field; gclient_t temp; // all of the ints, floats, and vectors stay as they are temp = *client; // change the pointers to lengths or indexes for (field=clientfields ; field->name ; field++) { WriteField1 (f, field, (byte *)&temp); } // write the block fwrite (&temp, sizeof(temp), 1, f); // now write any allocated data following the edict for (field=clientfields ; field->name ; field++) { WriteField2 (f, field, (byte *)client); } } /* ============== ReadClient All pointer variables (except function pointers) must be handled specially. ============== */ void ReadClient (FILE *f, gclient_t *client) { field_t *field; fread (client, sizeof(*client), 1, f); for (field=clientfields ; field->name ; field++) { ReadField (f, field, (byte *)client); } } /* ============ WriteGame This will be called whenever the game goes to a new level, and when the user explicitly saves the game. Game information include cross level data, like multi level triggers, help computer info, and all client states. A single player death will automatically restore from the last save position. ============ */ void WriteGame (char *filename, qboolean autosave) { FILE *f; int i; char str[16]; if (!autosave) SaveClientData (); f = fopen (filename, "wb"); if (!f) gi.error ("Couldn't open %s", filename); memset (str, 0, sizeof(str)); strcpy (str, "May 30 1998"); fwrite (str, sizeof(str), 1, f); game.autosaved = autosave; fwrite (&game, sizeof(game), 1, f); game.autosaved = false; for (i=0 ; i<game.maxclients ; i++) WriteClient (f, &game.clients[i]); fclose (f); } void ReadGame (char *filename) { FILE *f; int i; char str[16]; gi.FreeTags (TAG_GAME); f = fopen (filename, "rb"); if (!f) gi.error ("Couldn't open %s", filename); fread (str, sizeof(str), 1, f); if (strcmp (str, "May 30 1998")) { fclose (f); gi.error ("Savegame from an older version.\n"); } g_edicts = gi.TagMalloc (game.maxentities * sizeof(g_edicts[0]), TAG_GAME); globals.edicts = g_edicts; fread (&game, sizeof(game), 1, f); game.clients = gi.TagMalloc (game.maxclients * sizeof(game.clients[0]), TAG_GAME); for (i=0 ; i<game.maxclients ; i++) ReadClient (f, &game.clients[i]); fclose (f); } //========================================================== /* ============== WriteEdict All pointer variables (except function pointers) must be handled specially. ============== */ void WriteEdict (FILE *f, edict_t *ent) { field_t *field; edict_t temp; // all of the ints, floats, and vectors stay as they are temp = *ent; // change the pointers to lengths or indexes for (field=fields ; field->name ; field++) { WriteField1 (f, field, (byte *)&temp); } // write the block fwrite (&temp, sizeof(temp), 1, f); // now write any allocated data following the edict for (field=fields ; field->name ; field++) { WriteField2 (f, field, (byte *)ent); } } /* ============== WriteLevelLocals All pointer variables (except function pointers) must be handled specially. ============== */ void WriteLevelLocals (FILE *f) { field_t *field; level_locals_t temp; // all of the ints, floats, and vectors stay as they are temp = level; // change the pointers to lengths or indexes for (field=levelfields ; field->name ; field++) { WriteField1 (f, field, (byte *)&temp); } // write the block fwrite (&temp, sizeof(temp), 1, f); // now write any allocated data following the edict for (field=levelfields ; field->name ; field++) { WriteField2 (f, field, (byte *)&level); } } /* ============== ReadEdict All pointer variables (except function pointers) must be handled specially. ============== */ void ReadEdict (FILE *f, edict_t *ent) { field_t *field; fread (ent, sizeof(*ent), 1, f); for (field=fields ; field->name ; field++) { ReadField (f, field, (byte *)ent); } } /* ============== ReadLevelLocals All pointer variables (except function pointers) must be handled specially. ============== */ void ReadLevelLocals (FILE *f) { field_t *field; fread (&level, sizeof(level), 1, f); for (field=levelfields ; field->name ; field++) { ReadField (f, field, (byte *)&level); } } /* ================= WriteLevel ================= */ void WriteLevel (char *filename) { int i; edict_t *ent; FILE *f; void *base; f = fopen (filename, "wb"); if (!f) gi.error ("Couldn't open %s", filename); // write out edict size for checking i = sizeof(edict_t); fwrite (&i, sizeof(i), 1, f); // write out a function pointer for checking base = (void *)InitGame; fwrite (&base, sizeof(base), 1, f); // write out level_locals_t WriteLevelLocals (f); // write out all the entities for (i=0 ; i<globals.num_edicts ; i++) { ent = &g_edicts[i]; if (!ent->inuse) continue; fwrite (&i, sizeof(i), 1, f); WriteEdict (f, ent); } i = -1; fwrite (&i, sizeof(i), 1, f); fclose (f); } /* ================= ReadLevel SpawnEntities will allready have been called on the level the same way it was when the level was saved. That is necessary to get the baselines set up identically. The server will have cleared all of the world links before calling ReadLevel. No clients are connected yet. ================= */ void ReadLevel (char *filename) { int entnum; FILE *f; int i; void *base; edict_t *ent; f = fopen (filename, "rb"); if (!f) gi.error ("Couldn't open %s", filename); // free any dynamic memory allocated by loading the level // base state gi.FreeTags (TAG_LEVEL); // wipe all the entities memset (g_edicts, 0, game.maxentities*sizeof(g_edicts[0])); globals.num_edicts = maxclients->value+1; // check edict size fread (&i, sizeof(i), 1, f); if (i != sizeof(edict_t)) { fclose (f); gi.error ("ReadLevel: mismatched edict size"); } // check function pointer base address fread (&base, sizeof(base), 1, f); #ifdef _WIN32 if (base != (void *)InitGame) { fclose (f); gi.error ("ReadLevel: function pointers have moved"); } #else gi.dprintf("Function offsets %d\n", ((byte *)base) - ((byte *)InitGame)); #endif // load the level locals ReadLevelLocals (f); // load all the entities while (1) { if (fread (&entnum, sizeof(entnum), 1, f) != 1) { fclose (f); gi.error ("ReadLevel: failed to read entnum"); } if (entnum == -1) break; if (entnum >= globals.num_edicts) globals.num_edicts = entnum+1; ent = &g_edicts[entnum]; ReadEdict (f, ent); // let the server rebuild world links for this ent memset (&ent->area, 0, sizeof(ent->area)); gi.linkentity (ent); } fclose (f); // mark all clients as unconnected for (i=0 ; i<maxclients->value ; i++) { ent = &g_edicts[i+1]; ent->client = game.clients + i; ent->client->pers.connected = false; } // do any load time things at this point for (i=0 ; i<globals.num_edicts ; i++) { ent = &g_edicts[i]; if (!ent->inuse) continue; // fire any cross-level triggers if (ent->classname) if (strcmp(ent->classname, "target_crosslevel_target") == 0) ent->nextthink = level.time + ent->delay; } }