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gamesession.cpp
1390 lines (1169 loc) · 41 KB
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gamesession.cpp
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/** @file gamesession.cpp Logical game session and saved session marshalling.
*
* @authors Copyright © 2003-2014 Jaakko Keränen <jaakko.keranen@iki.fi>
* @authors Copyright © 2005-2014 Daniel Swanson <danij@dengine.net>
*
* @par License
* GPL: http://www.gnu.org/licenses/gpl.html
*
* <small>This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version. This program is distributed in the hope that it
* will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty
* of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
* Public License for more details. You should have received a copy of the GNU
* General Public License along with this program; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA</small>
*/
#include "gamesession.h"
#include <de/App>
#include <de/ArrayValue>
#include <de/NumberValue>
#include <de/RecordValue>
#include <de/Time>
#include <de/ZipArchive>
#include <de/game/SavedSession>
#include <doomsday/defs/episode.h>
#include "d_netsv.h"
#include "g_common.h"
#include "hu_menu.h"
#include "hu_inventory.h"
#include "mapstatewriter.h"
#include "p_inventory.h"
#include "p_map.h"
#include "p_mapsetup.h"
#include "p_savedef.h"
#include "p_saveg.h"
#include "p_saveio.h"
#include "p_sound.h"
#include "p_tick.h"
#if __JDOOM__
# include "doomv9mapstatereader.h"
#endif
#if __JHERETIC__
# include "hereticv13mapstatereader.h"
#endif
using namespace de;
using de::game::SavedSession;
using de::game::SessionMetadata;
namespace common {
namespace internal
{
static String composeSaveInfo(SessionMetadata const &metadata)
{
String info;
QTextStream os(&info);
os.setCodec("UTF-8");
// Write header and misc info.
Time now;
os << "# Doomsday Engine saved game session package.\n#"
<< "\n# Generator: GameSession (libcommon)"
<< "\n# Generation Date: " + now.asDateTime().toString(Qt::SystemLocaleShortDate);
// Write metadata.
os << "\n\n" + metadata.asTextWithInfoSyntax() + "\n";
return info;
}
static Block serializeCurrentMapState(bool excludePlayers = false)
{
Block data;
SV_OpenFileForWrite(data);
writer_s *writer = SV_NewWriter();
MapStateWriter().write(writer, excludePlayers);
Writer_Delete(writer);
SV_CloseFile();
return data;
}
/**
* Lookup the briefing Finale for the current episode, map (if any).
*/
static Record const *finaleBriefing(de::Uri const &mapUri)
{
if(::briefDisabled) return 0;
// In a networked game the server will schedule the brief.
if(IS_CLIENT || Get(DD_PLAYBACK)) return 0;
// If we're already in the INFINE state, don't start a finale.
if(G_GameState() == GS_INFINE) return 0;
// Is there such a finale definition?
return Defs().finales.tryFind("before", mapUri.compose());
}
}
using namespace internal;
static GameSession *singleton;
static String const internalSavePath = "/home/cache/internal.save";
DENG2_PIMPL(GameSession), public SavedSession::IMapStateReaderFactory
{
String episodeId;
GameRuleset rules;
bool inProgress = false; ///< @c true= session is in progress / internal.save exists.
de::Uri mapUri;
uint mapEntryPoint = 0; ///< Player entry point, for reborn.
bool rememberVisitedMaps = false;
QSet<de::Uri> visitedMaps;
Instance(Public *i) : Base(i)
{
DENG2_ASSERT(singleton == 0);
singleton = thisPublic;
}
inline String userSavePath(String const &fileName) {
return Session::savePath() / fileName + ".save";
}
void cleanupInternalSave()
{
// Ensure the internal save folder exists.
App::fileSystem().makeFolder(internalSavePath.fileNamePath());
// Ensure that any pre-existing internal save is destroyed.
// This may happen if the game was not shutdown properly in the event of a crash.
/// @todo It may be possible to recover this session if it was written successfully
/// before the fatal error occurred.
Session::removeSaved(internalSavePath);
}
void resetStateForNewSession()
{
// Perform necessary prep.
cleanupInternalSave();
G_StopDemo();
// Close the menu if open.
Hu_MenuCommand(MCMD_CLOSEFAST);
// If there are any InFine scripts running, they must be stopped.
FI_StackClear();
// Ignore a game action possibly set by script stop hooks; this is a completely new session.
G_SetGameAction(GA_NONE);
if(!IS_CLIENT)
{
for(int i = 0; i < MAXPLAYERS; ++i)
{
player_t *plr = &players[i];
if(!plr->plr->inGame) continue;
// Force players to be initialized upon first map load.
plr->playerState = PST_REBORN;
#if __JHEXEN__
plr->worldTimer = 0;
#else
plr->didSecret = false;
#endif
}
}
M_ResetRandom();
}
void setEpisode(String const &newEpisodeId)
{
DENG2_ASSERT(!inProgress);
episodeId = newEpisodeId;
// Update the game status cvar.
Con_SetString2("map-episode", episodeId.toUtf8().constData(), SVF_WRITE_OVERRIDE);
}
/**
* Returns SessionMetadata for the game configuration in progress.
*/
SessionMetadata metadata()
{
DENG2_ASSERT(inProgress);
SessionMetadata meta;
meta.set("sessionId", uint(Timer_RealMilliseconds() + (mapTime << 24)));
meta.set("gameIdentityKey", Session::gameId());
meta.set("episode", episodeId);
meta.set("userDescription", "(Unsaved)");
meta.set("mapUri", mapUri.compose());
meta.set("mapTime", ::mapTime);
meta.add("gameRules", self.rules().toRecord()); // Takes ownership.
ArrayValue *playersArray = new ArrayValue;
for(int i = 0; i < MAXPLAYERS; ++i)
{
bool playerIsPresent = CPP_BOOL(players[i].plr->inGame);
*playersArray << NumberValue(playerIsPresent, NumberValue::Boolean);
}
meta.set("players", playersArray); // Takes ownership.
if(rememberVisitedMaps)
{
ArrayValue *visitedMapsArray = new ArrayValue;
foreach(de::Uri const &visitedMap, visitedMaps)
{
*visitedMapsArray << TextValue(visitedMap.compose());
}
meta.set("visitedMaps", visitedMapsArray); // Takes ownership.
}
return meta;
}
/**
* Update/create a new SavedSession at the specified @a path from the current
* game state.
*/
SavedSession &updateSavedSession(String const &path, SessionMetadata const &metadata)
{
DENG2_ASSERT(inProgress);
LOG_AS("GameSession");
LOG_RES_VERBOSE("Serializing to \"%s\"...") << path;
// Does the .save already exist?
SavedSession *saved = App::rootFolder().tryLocate<SavedSession>(path);
if(saved)
{
DENG2_ASSERT(saved->mode().testFlag(File::Write));
saved->replaceFile("Info") << composeSaveInfo(metadata).toUtf8();
}
else
{
// Create an empty package containing only the metadata.
File &save = App::rootFolder().replaceFile(path);
ZipArchive arch;
arch.add("Info", composeSaveInfo(metadata).toUtf8());
de::Writer(save) << arch;
save.flush();
// We can now reinterpret and populate the contents of the archive.
saved = &save.reinterpret()->as<SavedSession>();
saved->populate();
}
// Save the current game state to the .save package.
#if __JHEXEN__
de::Writer(saved->replaceFile("ACScriptState")).withHeader()
<< Game_ACScriptInterpreter().serializeWorldState();
#endif
Folder &mapsFolder = App::fileSystem().makeFolder(saved->path() / "maps");
DENG2_ASSERT(mapsFolder.mode().testFlag(File::Write));
mapsFolder.replaceFile(mapUri.path() + "State")
<< serializeCurrentMapState();
saved->flush(); // No need to populate; FS2 Files already in sync with source data.
saved->cacheMetadata(metadata); // Avoid immediately reopening the .save package.
return *saved;
}
#if __JDOOM__ || __JDOOM64__
void applyRuleFastMonsters(dd_bool fast)
{
static dd_bool oldFast = false;
// Only modify when the rule changes state.
if(fast == oldFast) return;
oldFast = fast;
/// @fixme Kludge: Assumes the original speed values haven't been modified!
for(int i = S_SARG_RUN1; i <= S_SARG_RUN8; ++i)
{
STATES[i].tics = fast? 1 : 2;
}
for(int i = S_SARG_ATK1; i <= S_SARG_ATK3; ++i)
{
STATES[i].tics = fast? 4 : 8;
}
for(int i = S_SARG_PAIN; i <= S_SARG_PAIN2; ++i)
{
STATES[i].tics = fast? 1 : 2;
}
// Kludge end.
}
#endif
#if __JDOOM__ || __JHERETIC__ || __JDOOM64__
void applyRuleFastMissiles(dd_bool fast)
{
struct missileinfo_s {
mobjtype_t type;
float speed[2];
}
MonsterMissileInfo[] =
{
#if __JDOOM__ || __JDOOM64__
{ MT_BRUISERSHOT, {15, 20} },
{ MT_HEADSHOT, {10, 20} },
{ MT_TROOPSHOT, {10, 20} },
# if __JDOOM64__
{ MT_BRUISERSHOTRED, {15, 20} },
{ MT_NTROSHOT, {20, 40} },
# endif
#elif __JHERETIC__
{ MT_IMPBALL, {10, 20} },
{ MT_MUMMYFX1, {9, 18} },
{ MT_KNIGHTAXE, {9, 18} },
{ MT_REDAXE, {9, 18} },
{ MT_BEASTBALL, {12, 20} },
{ MT_WIZFX1, {18, 24} },
{ MT_SNAKEPRO_A, {14, 20} },
{ MT_SNAKEPRO_B, {14, 20} },
{ MT_HEADFX1, {13, 20} },
{ MT_HEADFX3, {10, 18} },
{ MT_MNTRFX1, {20, 26} },
{ MT_MNTRFX2, {14, 20} },
{ MT_SRCRFX1, {20, 28} },
{ MT_SOR2FX1, {20, 28} },
#endif
{ mobjtype_t(-1), {-1, -1} }
};
static dd_bool oldFast = false;
// Only modify when the rule changes state.
if(fast == oldFast) return;
oldFast = fast;
/// @fixme Kludge: Assumes the original values speed values haven't been modified!
for(int i = 0; MonsterMissileInfo[i].type != -1; ++i)
{
MOBJINFO[MonsterMissileInfo[i].type].speed =
MonsterMissileInfo[i].speed[fast? 1 : 0];
}
// Kludge end.
}
#endif
void applyCurrentRules()
{
if(rules.skill < SM_NOTHINGS)
rules.skill = SM_NOTHINGS;
if(rules.skill > NUM_SKILL_MODES - 1)
rules.skill = skillmode_t(NUM_SKILL_MODES - 1);
if(!IS_NETGAME)
{
#if !__JHEXEN__
rules.deathmatch = false;
rules.respawnMonsters = CommandLine_Check("-respawn")? true : false;
rules.noMonsters = CommandLine_Exists("-nomonsters")? true : false;
#endif
#if __JDOOM__ || __JHERETIC__
// Is respawning enabled at all in nightmare skill?
if(rules.skill == SM_NIGHTMARE)
{
rules.respawnMonsters = cfg.respawnMonstersNightmare;
}
#endif
}
else if(IS_DEDICATED)
{
#if !__JHEXEN__
rules.deathmatch = cfg.netDeathmatch;
rules.respawnMonsters = cfg.netRespawn;
rules.noMonsters = cfg.netNoMonsters;
/*rules.*/cfg.jumpEnabled = cfg.netJumping;
#else
rules.randomClasses = cfg.netRandomClass;
#endif
}
// Fast monsters?
#if __JDOOM__ || __JDOOM64__
dd_bool fastMonsters = rules.fast;
# if __JDOOM__
if(rules.skill == SM_NIGHTMARE)
{
fastMonsters = true;
}
# endif
applyRuleFastMonsters(fastMonsters);
#endif
// Fast missiles?
#if __JDOOM__ || __JHERETIC__ || __JDOOM64__
dd_bool fastMissiles = rules.fast;
# if !__JDOOM64__
if(rules.skill == SM_NIGHTMARE)
{
fastMissiles = true;
}
# endif
applyRuleFastMissiles(fastMissiles);
#endif
NetSv_UpdateGameConfigDescription();
// Update game status cvars:
Con_SetInteger2("game-skill", rules.skill, SVF_WRITE_OVERRIDE);
}
/**
* Constructs a MapStateReader for serialized map state format interpretation.
*/
SavedSession::MapStateReader *makeMapStateReader(
SavedSession const &session, String const &mapUriAsText)
{
de::Uri const mapUri(mapUriAsText, RC_NULL);
File const &mapStateFile = session.locateState<File const>(String("maps") / mapUri.path());
if(!SV_OpenFileForRead(mapStateFile))
{
/// @throw Error The serialized map state file could not be opened for read.
throw Error("GameSession::makeMapStateReader", "Failed to open \"" + mapStateFile.path() + "\" for read");
}
std::unique_ptr<SavedSession::MapStateReader> p;
reader_s *reader = SV_NewReader();
int const magic = Reader_ReadInt32(reader);
if(magic == MY_SAVE_MAGIC || MY_CLIENT_SAVE_MAGIC) // Native format.
{
p.reset(new MapStateReader(session));
}
#if __JDOOM__
else if(magic == 0x1DEAD600) // DoomV9
{
p.reset(new DoomV9MapStateReader(session));
}
#endif
#if __JHERETIC__
else if(magic == 0x7D9A1200) // HereticV13
{
p.reset(new HereticV13MapStateReader(session));
}
#endif
SV_CloseFile();
if(p.get())
{
return p.release();
}
/// @throw Error The format of the serialized map state was not recognized.
throw Error("GameSession::makeMapStateReader", "Unrecognized map state format");
}
void loadSaved(String const &savePath)
{
::briefDisabled = true;
G_StopDemo();
Hu_MenuCommand(MCMD_CLOSEFAST);
FI_StackClear(); // Stop any running InFine scripts.
M_ResetRandom();
if(!IS_CLIENT)
{
for(int i = 0; i < MAXPLAYERS; ++i)
{
player_t *plr = &players[i];
if(!plr->plr->inGame) continue;
// Force players to be initialized upon first map load.
plr->playerState = PST_REBORN;
#if __JHEXEN__
plr->worldTimer = 0;
#else
plr->didSecret = false;
#endif
}
}
inProgress = false;
if(savePath.compareWithoutCase(internalSavePath))
{
// Perform necessary prep.
cleanupInternalSave();
// Copy the save to the internal savegame.
Session::copySaved(internalSavePath, savePath);
}
/*
* SavedSession deserialization begins.
*/
SavedSession const &saved = App::rootFolder().locate<SavedSession>(internalSavePath);
SessionMetadata const &metadata = saved.metadata();
// Ensure a complete game ruleset is available.
std::unique_ptr<GameRuleset> newRules;
try
{
newRules.reset(GameRuleset::fromRecord(metadata.subrecord("gameRules")));
}
catch(Record::NotFoundError const &)
{
// The game rules are incomplete. Likely because they were missing from a savegame that
// was converted from a vanilla format (in which most of these values are omitted).
// Therefore we must assume the user has correctly configured the session accordingly.
LOG_WARNING("Using current game rules as basis for loading savegame \"%s\"."
" (The original save format omits this information).")
<< saved.path();
// Use the current rules as our basis.
newRules.reset(GameRuleset::fromRecord(metadata.subrecord("gameRules"), &rules));
}
rules = *newRules; // make a copy
applyCurrentRules();
setEpisode(metadata.gets("episode"));
// Does the metadata include a visited maps breakdown?
visitedMaps.clear();
rememberVisitedMaps = metadata.has("visitedMaps");
if(rememberVisitedMaps)
{
ArrayValue const &vistedMapsArray = metadata.geta("visitedMaps");
foreach(Value const *value, vistedMapsArray.elements())
{
visitedMaps << de::Uri(value->as<TextValue>(), RC_NULL);
}
}
#if __JHEXEN__
// Deserialize the world ACS state.
if(File const *state = saved.tryLocateStateFile("ACScript"))
{
Game_ACScriptInterpreter().readWorldState(de::Reader(*state).withHeader());
}
#endif
inProgress = true;
setMap(de::Uri(metadata.gets("mapUri"), RC_NULL));
//mapEntryPoint = ??; // not saved??
reloadMap();
#if !__JHEXEN__
::mapTime = metadata.geti("mapTime");
#endif
String const mapUriAsText = mapUri.compose();
makeMapStateReader(saved, mapUriAsText)->read(mapUriAsText);
}
void setMap(de::Uri const &newMapUri)
{
DENG2_ASSERT(inProgress);
mapUri = newMapUri;
if(rememberVisitedMaps)
{
visitedMaps << mapUri;
}
// Update game status cvars:
Con_SetUri2("map-id", reinterpret_cast<uri_s const *>(&mapUri), SVF_WRITE_OVERRIDE);
String hubId;
if(Record const *hubRec = defn::Episode(*self.episodeDef()).tryFindHubByMapId(mapUri.compose()))
{
hubId = hubRec->gets("id");
}
Con_SetString2("map-hub", hubId.toUtf8().constData(), SVF_WRITE_OVERRIDE);
String mapAuthor = G_MapAuthor(mapUri);
if(mapAuthor.isEmpty()) mapAuthor = "Unknown";
Con_SetString2("map-author", mapAuthor.toUtf8().constData(), SVF_WRITE_OVERRIDE);
String mapTitle = G_MapTitle(mapUri);
if(mapTitle.isEmpty()) mapTitle = "Unknown";
Con_SetString2("map-name", mapTitle.toUtf8().constData(), SVF_WRITE_OVERRIDE);
}
inline void setMapAndEntryPoint(de::Uri const &newMapUri, uint newMapEntryPoint)
{
setMap(newMapUri);
mapEntryPoint = newMapEntryPoint;
}
/**
* Reload the @em current map.
*
* @param revisit @c true= load progress in this map from a previous visit in the current
* game session. If no saved progress exists then the map will be in the default state.
*/
void reloadMap(bool revisit = false)
{
DENG2_ASSERT(inProgress);
Pause_End();
// Close open HUDs.
for(int i = 0; i < MAXPLAYERS; ++i)
{
ST_CloseAll(i, true/*fast*/);
}
// Delete raw images to conserve texture memory.
DD_Executef(true, "texreset raw");
// Are we playing a briefing? (No, if we've already visited this map).
if(revisit)
{
::briefDisabled = true;
}
Record const *briefing = finaleBriefing(mapUri);
// Restart the map music?
if(!briefing)
{
#if __JHEXEN__
/**
* @note Kludge: Due to the way music is managed with Hexen, unless we explicitly stop
* the current playing track the engine will not change tracks. This is due to the use
* of the runtime-updated "currentmap" definition (the engine thinks music has not changed
* because the current Music definition is the same).
*
* It only worked previously was because the waiting-for-map-load song was started prior
* to map loading.
*
* @todo Rethink the Music definition stuff with regard to Hexen. Why not create definitions
* during startup by parsing MAPINFO?
*/
S_StopMusic();
//S_StartMusic("chess", true); // Waiting-for-map-load song
#endif
S_MapMusic(mapUri);
S_PauseMusic(true);
}
P_SetupMap(mapUri);
if(revisit)
{
// We've been here before; deserialize the saved map state.
#if __JHEXEN__
targetPlayerAddrs = 0; // player mobj redirection...
#endif
String const mapUriAsText = mapUri.compose();
SavedSession const &saved = App::rootFolder().locate<SavedSession>(internalSavePath);
std::unique_ptr<SavedSession::MapStateReader> reader(makeMapStateReader(saved, mapUriAsText));
reader->read(mapUriAsText);
}
if(!briefing || !G_StartFinale(briefing->gets("script").toUtf8().constData(), 0, FIMODE_BEFORE, 0))
{
// No briefing; begin the map.
HU_WakeWidgets(-1/* all players */);
G_BeginMap();
}
Z_CheckHeap();
}
#if __JHEXEN__
struct playerbackup_t
{
player_t player;
uint numInventoryItems[NUM_INVENTORYITEM_TYPES];
inventoryitemtype_t readyItem;
};
void backupPlayersInHub(playerbackup_t playerBackup[MAXPLAYERS])
{
DENG2_ASSERT(playerBackup != 0);
for(int i = 0; i < MAXPLAYERS; ++i)
{
playerbackup_t *pb = playerBackup + i;
player_t const *plr = players + i;
std::memcpy(&pb->player, plr, sizeof(player_t));
// Make a copy of the inventory states also.
for(int k = 0; k < NUM_INVENTORYITEM_TYPES; ++k)
{
pb->numInventoryItems[k] = P_InventoryCount(i, inventoryitemtype_t(k));
}
pb->readyItem = P_InventoryReadyItem(i);
}
}
/**
* @param playerBackup Player state backup.
*/
void restorePlayersInHub(playerbackup_t playerBackup[MAXPLAYERS])
{
DENG2_ASSERT(playerBackup != 0);
mobj_t *targetPlayerMobj = 0;
for(int i = 0; i < MAXPLAYERS; ++i)
{
playerbackup_t *pb = playerBackup + i;
player_t *plr = players + i;
ddplayer_t *ddplr = plr->plr;
int oldKeys = 0, oldPieces = 0;
dd_bool oldWeaponOwned[NUM_WEAPON_TYPES];
if(!ddplr->inGame) continue;
std::memcpy(plr, &pb->player, sizeof(player_t));
// Reset the inventory as it will now be restored from the backup.
P_InventoryEmpty(i);
for(int k = 0; k < NUM_INVENTORYITEM_TYPES; ++k)
{
// Don't give back the wings of wrath if reborn.
if(k == IIT_FLY && plr->playerState == PST_REBORN)
continue;
for(uint m = 0; m < pb->numInventoryItems[k]; ++m)
{
P_InventoryGive(i, inventoryitemtype_t(k), true);
}
}
P_InventorySetReadyItem(i, pb->readyItem);
ST_LogEmpty(i);
plr->attacker = 0;
plr->poisoner = 0;
if(IS_NETGAME || rules.deathmatch)
{
// In a network game, force all players to be alive
if(plr->playerState == PST_DEAD)
{
plr->playerState = PST_REBORN;
}
if(!rules.deathmatch)
{
// Cooperative net-play; retain keys and weapons.
oldKeys = plr->keys;
oldPieces = plr->pieces;
for(int k = 0; k < NUM_WEAPON_TYPES; ++k)
{
oldWeaponOwned[k] = plr->weapons[k].owned;
}
}
}
bool wasReborn = (plr->playerState == PST_REBORN);
if(rules.deathmatch)
{
de::zap(plr->frags);
ddplr->mo = 0;
G_DeathMatchSpawnPlayer(i);
}
else
{
if(playerstart_t const *start = P_GetPlayerStart(mapEntryPoint, i, false))
{
mapspot_t const *spot = &mapSpots[start->spot];
P_SpawnPlayer(i, cfg.playerClass[i], spot->origin[VX],
spot->origin[VY], spot->origin[VZ], spot->angle,
spot->flags, false, true);
}
else
{
P_SpawnPlayer(i, cfg.playerClass[i], 0, 0, 0, 0,
MSF_Z_FLOOR, true, true);
}
}
if(wasReborn && IS_NETGAME && !rules.deathmatch)
{
int bestWeapon = 0;
// Restore keys and weapons when reborn in co-op.
plr->keys = oldKeys;
plr->pieces = oldPieces;
for(int k = 0; k < NUM_WEAPON_TYPES; ++k)
{
if(oldWeaponOwned[k])
{
bestWeapon = k;
plr->weapons[k].owned = true;
}
}
plr->ammo[AT_BLUEMANA].owned = 25; /// @todo values.ded
plr->ammo[AT_GREENMANA].owned = 25; /// @todo values.ded
// Bring up the best weapon.
if(bestWeapon)
{
plr->pendingWeapon = weapontype_t(bestWeapon);
}
}
}
for(int i = 0; i < MAXPLAYERS; ++i)
{
player_t *plr = players + i;
ddplayer_t *ddplr = plr->plr;
if(!ddplr->inGame) continue;
if(!targetPlayerMobj)
{
targetPlayerMobj = ddplr->mo;
}
}
/// @todo Redirect anything targeting a player mobj
/// FIXME! This only supports single player games!!
if(targetPlayerAddrs)
{
for(targetplraddress_t *p = targetPlayerAddrs; p; p = p->next)
{
*(p->address) = targetPlayerMobj;
}
SV_ClearTargetPlayers();
/*
* When XG is available in Hexen, call this after updating target player
* references (after a load) - ds
// The activator mobjs must be set.
XL_UpdateActivators();
*/
}
// Destroy all things touching players.
P_TelefragMobjsTouchingPlayers();
}
#endif // __JHEXEN__
};
GameSession::GameSession() : d(new Instance(this))
{}
GameSession::~GameSession()
{
LOG_AS("~GameSession");
d.reset();
singleton = 0;
}
GameSession &GameSession::gameSession()
{
DENG2_ASSERT(singleton != 0);
return *singleton;
}
bool GameSession::hasBegun()
{
return d->inProgress;
}
bool GameSession::loadingPossible()
{
return !(IS_CLIENT && !Get(DD_PLAYBACK));
}
bool GameSession::savingPossible()
{
if(IS_CLIENT || Get(DD_PLAYBACK)) return false;
if(!hasBegun()) return false;
if(GS_MAP != G_GameState()) return false;
/// @todo fixme: what about splitscreen!
player_t *player = &players[CONSOLEPLAYER];
if(PST_DEAD == player->playerState) return false;
return true;
}
Record *GameSession::episodeDef()
{
if(hasBegun())
{
/// @todo cache this result?
return Defs().episodes.tryFind("id", d->episodeId);
}
return 0;
}
String GameSession::episodeId()
{
return hasBegun()? d->episodeId : "";
}
Record *GameSession::mapGraphNodeDef()
{
if(Record const *episode = episodeDef())
{
return defn::Episode(*episode).tryFindMapGraphNode(mapUri().compose());
}
return 0;
}
Record *GameSession::mapInfo()
{
return Defs().mapInfos.tryFind("id", mapUri().compose());
}
de::Uri GameSession::mapUri()
{
return hasBegun()? d->mapUri : de::Uri();
}
uint GameSession::mapEntryPoint()
{
return d->mapEntryPoint;
}
GameSession::VisitedMaps GameSession::allVisitedMaps()
{
if(hasBegun() && d->rememberVisitedMaps)
{
return d->visitedMaps.toList();
}
return VisitedMaps();
}
de::Uri GameSession::mapUriForNamedExit(String name)
{
LOG_AS("GameSession");
if(Record const *mgNode = mapGraphNodeDef())
{
// Build a lookup table mapping exit ids to exit records.
QMap<String, Record const *> exits;
for(Value const *value : mgNode->geta("exit").elements())
{
Record const &exit = value->as<RecordValue>().dereference();
String id = exit.gets("id");
if(!id.isEmpty())
{
exits.insert(id, &exit);
}
}
//qDebug() << "map exits" << exits;
// Locate the named exit record.
Record const *chosenExit = 0;
if(exits.count() > 1)
{
auto found = exits.constFind(name.toLower());
if(found != exits.constEnd())
{
chosenExit = found.value();
}
else
{
LOG_SCR_WARNING("Episode '%s' map \"%s\" defines no Exit with ID '%s'")
<< d->episodeId << d->mapUri << name;
}
}
else if(exits.count() == 1)
{
chosenExit = exits.values().first();
String chosenExitId = chosenExit->gets("id");
if(chosenExitId != name.toLower())
{
LOGDEV_SCR_NOTE("Exit ID:%s chosen instead of '%s'")
<< chosenExitId << name;
}
}
if(chosenExit)
{
return de::Uri(chosenExit->gets("targetMap"), RC_NULL);
}
}
return de::Uri();
}
GameRuleset const &GameSession::rules() const
{