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Diffstat (limited to 'engines/wintermute/system/sys_class.cpp')
| -rw-r--r-- | engines/wintermute/system/sys_class.cpp | 220 |
1 files changed, 220 insertions, 0 deletions
diff --git a/engines/wintermute/system/sys_class.cpp b/engines/wintermute/system/sys_class.cpp new file mode 100644 index 0000000000..06b36b84de --- /dev/null +++ b/engines/wintermute/system/sys_class.cpp @@ -0,0 +1,220 @@ +/* ScummVM - Graphic Adventure Engine + * + * ScummVM is the legal property of its developers, whose names + * are too numerous to list here. Please refer to the COPYRIGHT + * file distributed with this source distribution. + * + * 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 Street, Fifth Floor, Boston, MA 02110-1301, USA. + * + */ + +/* + * This file is based on WME Lite. + * http://dead-code.org/redir.php?target=wmelite + * Copyright (c) 2011 Jan Nedoma + */ + +#include "engines/wintermute/persistent.h" +#include "engines/wintermute/system/sys_instance.h" +#include "engines/wintermute/system/sys_class.h" +#include "engines/wintermute/system/sys_class_registry.h" +#include "engines/wintermute/base/base_game.h" +#include "engines/wintermute/base/base_persistence_manager.h" + +namespace Wintermute { + +////////////////////////////////////////////////////////////////////////// +SystemClass::SystemClass(const AnsiString &name, PERSISTBUILD build, PERSISTLOAD load, bool persistentClass) { + _name = name; + + _build = build; + _load = load; + _next = NULL; + _savedID = -1; + _persistent = persistentClass; + _numInst = 0; + + SystemClassRegistry::getInstance()->registerClass(this); +} + + +////////////////////////////////////////////////////////////////////////// +SystemClass::~SystemClass() { + SystemClassRegistry::getInstance()->unregisterClass(this); + removeAllInstances(); +} + +////////////////////////////////////////////////////////////////////////// +bool SystemClass::removeAllInstances() { + Instances::iterator it; + for (it = _instances.begin(); it != _instances.end(); ++it) { + delete(it->_value); + } + _instances.clear(); + _instanceMap.clear(); + + return true; +} + +////////////////////////////////////////////////////////////////////////// +SystemInstance *SystemClass::addInstance(void *instance, int id, int savedId) { + SystemInstance *inst = new SystemInstance(instance, id, this); + inst->setSavedID(savedId); + _instances[inst] = (inst); + + _instanceMap[instance] = inst; + + SystemClassRegistry::getInstance()->addInstanceToTable(inst, instance); + + return inst; +} + + +////////////////////////////////////////////////////////////////////////// +bool SystemClass::removeInstance(void *instance) { + InstanceMap::iterator mapIt = _instanceMap.find(instance); + if (mapIt == _instanceMap.end()) { + return false; + } + + Instances::iterator it = _instances.find((mapIt->_value)); + if (it != _instances.end()) { + delete(it->_value); + _instances.erase(it); + } + + _instanceMap.erase(mapIt); + + return false; +} + +////////////////////////////////////////////////////////////////////////// +int SystemClass::getInstanceID(void *pointer) { + InstanceMap::iterator mapIt = _instanceMap.find(pointer); + if (mapIt == _instanceMap.end()) { + return -1; + } else { + return (mapIt->_value)->getID(); + } +} + +////////////////////////////////////////////////////////////////////////// +void *SystemClass::idToPointer(int savedID) { + //slow + Instances::iterator it; + for (it = _instances.begin(); it != _instances.end(); ++it) { + if ((it->_value)->getSavedID() == savedID) { + return (it->_value)->getInstance(); + } + } + return NULL; +} + +////////////////////////////////////////////////////////////////////////// +int SystemClass::getNumInstances() { + return _instances.size(); +} + +////////////////////////////////////////////////////////////////////////// +void SystemClass::dump(Common::WriteStream *stream) { + Common::String str; + str = Common::String::format("%03d %c %-20s instances: %d\n", _iD, _persistent ? 'p' : ' ', _name.c_str(), getNumInstances()); + stream->write(str.c_str(), str.size()); +} + +////////////////////////////////////////////////////////////////////////// +void SystemClass::saveTable(BaseGame *gameRef, BasePersistenceManager *persistMgr) { + persistMgr->putString(_name.c_str()); + persistMgr->putDWORD(_iD); + persistMgr->putDWORD(_instances.size()); + + Instances::iterator it; + for (it = _instances.begin(); it != _instances.end(); ++it) { + persistMgr->putDWORD((it->_value)->getID()); + } +} + +////////////////////////////////////////////////////////////////////////// +void SystemClass::loadTable(BaseGame *gameRef, BasePersistenceManager *persistMgr) { + _savedID = persistMgr->getDWORD(); + int numInstances = persistMgr->getDWORD(); + + for (int i = 0; i < numInstances; i++) { + int instID = persistMgr->getDWORD(); + if (_persistent) { + + if (i > 0) { + gameRef->LOG(0, "Warning: attempting to load multiple instances of persistent class %s (%d)", _name.c_str(), numInstances); + continue; + } + + Instances::iterator it = _instances.begin(); + if (it != _instances.end()) { + (it->_value)->setSavedID(instID); + SystemClassRegistry::getInstance()->addInstanceToTable((it->_value), (it->_value)->getInstance()); + } else { + gameRef->LOG(0, "Warning: instance %d of persistent class %s not found", i, _name.c_str()); + } + } + // normal instances, create empty objects + else { + void *emptyObject = _build(); + if (!emptyObject) { + warning("HALT"); + } + + addInstance(emptyObject, SystemClassRegistry::getInstance()->getNextID(), instID); + } + + } +} + +////////////////////////////////////////////////////////////////////////// +void SystemClass::saveInstances(BaseGame *Game, BasePersistenceManager *persistMgr) { + Instances::iterator it; + for (it = _instances.begin(); it != _instances.end(); ++it) { + // write instace header + persistMgr->putString("<INSTANCE_HEAD>"); + persistMgr->putDWORD(_iD); + persistMgr->putDWORD((it->_value)->getID()); + persistMgr->putString("</INSTANCE_HEAD>"); + _load((it->_value)->getInstance(), persistMgr); + persistMgr->putString("</INSTANCE>"); + } +} + +////////////////////////////////////////////////////////////////////////// +void SystemClass::loadInstance(void *instance, BasePersistenceManager *persistMgr) { + _load(instance, persistMgr); +} + + +////////////////////////////////////////////////////////////////////////// +void SystemClass::resetSavedIDs() { + Instances::iterator it; + for (it = _instances.begin(); it != _instances.end(); ++it) { + (it->_value)->setSavedID(-1); + } +} + +////////////////////////////////////////////////////////////////////////// +void SystemClass::instanceCallback(SYS_INSTANCE_CALLBACK lpCallback, void *lpData) { + Instances::iterator it; + for (it = _instances.begin(); it != _instances.end(); ++it) { + lpCallback((it->_value)->getInstance(), lpData); + } +} + +} // end of namespace Wintermute |