diff options
Diffstat (limited to 'engines/wintermute/system/sys_class_registry.cpp')
-rw-r--r-- | engines/wintermute/system/sys_class_registry.cpp | 335 |
1 files changed, 335 insertions, 0 deletions
diff --git a/engines/wintermute/system/sys_class_registry.cpp b/engines/wintermute/system/sys_class_registry.cpp new file mode 100644 index 0000000000..5e3b968c5c --- /dev/null +++ b/engines/wintermute/system/sys_class_registry.cpp @@ -0,0 +1,335 @@ +/* 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/base/base_game.h" +#include "engines/wintermute/platform_osystem.h" +#include "engines/wintermute/base/base_engine.h" +#include "engines/wintermute/system/sys_instance.h" +#include "engines/wintermute/system/sys_class_registry.h" +#include "engines/wintermute/system/sys_class.h" +#include "engines/wintermute/wintermute.h" +#include "common/stream.h" + +namespace Wintermute { + +////////////////////////////////////////////////////////////////////////// +SystemClassRegistry::SystemClassRegistry() { + _count = 0; + _disabled = false; +} + + +////////////////////////////////////////////////////////////////////////// +SystemClassRegistry::~SystemClassRegistry() { + unregisterClasses(); +} + +////////////////////////////////////////////////////////////////////////// +SystemClassRegistry *SystemClassRegistry::getInstance() { + return BaseEngine::instance().getClassRegistry(); +} + +void SystemClassRegistry::unregisterClasses() { + // SystemClass calls UnregisterClass upon destruction. + while (_classes.size() > 0) { + delete _classes.begin()->_value; + } +} + +////////////////////////////////////////////////////////////////////////// +bool SystemClassRegistry::registerClass(SystemClass *classObj) { + classObj->setID(_count++); + //_classes.insert(classObj); + _classes[classObj] = classObj; + + _nameMap[classObj->getName()] = classObj; + _idMap[classObj->getID()] = classObj; + + return true; +} + + +////////////////////////////////////////////////////////////////////////// +bool SystemClassRegistry::unregisterClass(SystemClass *classObj) { + + Classes::iterator it = _classes.find(classObj); + if (it == _classes.end()) { + return false; + } + + if (classObj->getNumInstances() != 0) { + debugC(Wintermute::kWintermuteDebugSaveGame, "Memory leak@class %-20s: %d instance(s) left\n", classObj->getName().c_str(), classObj->getNumInstances()); + } + _classes.erase(it); + + NameMap::iterator mapIt = _nameMap.find(classObj->getName()); + if (mapIt != _nameMap.end()) { + _nameMap.erase(mapIt); + } + + IdMap::iterator idIt = _idMap.find(classObj->getID()); + if (idIt != _idMap.end()) { + _idMap.erase(idIt); + } + + + return true; +} + + +////////////////////////////////////////////////////////////////////////// +bool SystemClassRegistry::registerInstance(const char *className, void *instance) { + if (_disabled) { + return true; + } + + NameMap::iterator mapIt = _nameMap.find(className); + if (mapIt == _nameMap.end()) { + return false; + } + + SystemInstance *inst = (*mapIt)._value->addInstance(instance, _count++); + return (inst != NULL); +} + +////////////////////////////////////////////////////////////////////////// +void SystemClassRegistry::addInstanceToTable(SystemInstance *instance, void *pointer) { + _instanceMap[pointer] = instance; + + if (instance->getSavedID() >= 0) { + _savedInstanceMap[instance->getSavedID()] = instance; + } +} + +////////////////////////////////////////////////////////////////////////// +int SystemClassRegistry::getNextID() { + return _count++; +} + +////////////////////////////////////////////////////////////////////////// +bool SystemClassRegistry::unregisterInstance(const char *className, void *instance) { + NameMap::iterator mapIt = _nameMap.find(className); + if (mapIt == _nameMap.end()) { + return false; + } + (*mapIt)._value->removeInstance(instance); + + InstanceMap::iterator instIt = _instanceMap.find(instance); + if (instIt != _instanceMap.end()) { + _instanceMap.erase(instIt); + return true; + } else { + return false; + } +} + + +////////////////////////////////////////////////////////////////////////// +bool SystemClassRegistry::getPointerID(void *pointer, int *classID, int *instanceID) { + if (pointer == NULL) { + return true; + } + + InstanceMap::iterator it = _instanceMap.find(pointer); + if (it == _instanceMap.end()) { + return false; + } + + + SystemInstance *inst = (*it)._value; + *instanceID = inst->getID(); + *classID = inst->getClass()->getID(); + + return true; +} + +////////////////////////////////////////////////////////////////////////// +void *SystemClassRegistry::idToPointer(int classID, int instanceID) { + SavedInstanceMap::iterator it = _savedInstanceMap.find(instanceID); + if (it == _savedInstanceMap.end()) { + return NULL; + } else { + return (*it)._value->getInstance(); + } +} + +bool checkHeader(const char *tag, BasePersistenceManager *pm) { + char *test = pm->getString(); + Common::String verify = test; + delete[] test; + bool retVal = (verify == tag); + if (!retVal) { + error("Expected %s in Save-file not found", tag); + } + return retVal; +} + +////////////////////////////////////////////////////////////////////////// +bool SystemClassRegistry::saveTable(BaseGame *gameRef, BasePersistenceManager *persistMgr, bool quickSave) { + persistMgr->putString("<CLASS_REGISTRY_TABLE>"); + persistMgr->putDWORD(_classes.size()); + + int counter = 0; + + Classes::iterator it; + for (it = _classes.begin(); it != _classes.end(); ++it) { + counter++; + + if (!quickSave) { + gameRef->_renderer->setIndicatorVal((int)(50.0f / (float)((float)_classes.size() / (float)counter))); + } + + (it->_value)->saveTable(gameRef, persistMgr); + } + persistMgr->putString("</CLASS_REGISTRY_TABLE>"); + return STATUS_OK; +} + + +////////////////////////////////////////////////////////////////////////// +bool SystemClassRegistry::loadTable(BaseGame *gameRef, BasePersistenceManager *persistMgr) { + checkHeader("<CLASS_REGISTRY_TABLE>", persistMgr); + + // reset SavedID of current instances + Classes::iterator it; + for (it = _classes.begin(); it != _classes.end(); ++it) { + (it->_value)->resetSavedIDs(); + } + + for (it = _classes.begin(); it != _classes.end(); ++it) { + if ((it->_value)->isPersistent()) { + continue; + } + (it->_value)->removeAllInstances(); + } + + _instanceMap.clear(); + + uint32 numClasses = persistMgr->getDWORD(); + + for (uint32 i = 0; i < numClasses; i++) { + gameRef->_renderer->setIndicatorVal((int)(50.0f / (float)((float)numClasses / (float)i))); + + Common::String className = persistMgr->getStringObj(); + NameMap::iterator mapIt = _nameMap.find(className); + if (mapIt != _nameMap.end()) { + (*mapIt)._value->loadTable(gameRef, persistMgr); + } + } + + checkHeader("</CLASS_REGISTRY_TABLE>", persistMgr); + + return STATUS_OK; +} + + +////////////////////////////////////////////////////////////////////////// +bool SystemClassRegistry::saveInstances(BaseGame *gameRef, BasePersistenceManager *persistMgr, bool quickSave) { + + Classes::iterator it; + + // count total instances + int numInstances = 0; + for (it = _classes.begin(); it != _classes.end(); ++it) { + numInstances += (it->_value)->getNumInstances(); + } + + persistMgr->putDWORD(numInstances); + + int counter = 0; + for (it = _classes.begin(); it != _classes.end(); ++it) { + counter++; + + if (!quickSave) { + if (counter % 20 == 0) { + gameRef->_renderer->setIndicatorVal((int)(50.0f + 50.0f / (float)((float)_classes.size() / (float)counter))); + } + } + gameRef->miniUpdate(); + + (it->_value)->saveInstances(gameRef, persistMgr); + } + + return STATUS_OK; +} + +////////////////////////////////////////////////////////////////////////// +bool SystemClassRegistry::loadInstances(BaseGame *gameRef, BasePersistenceManager *persistMgr) { + // get total instances + int numInstances = persistMgr->getDWORD(); + + for (int i = 0; i < numInstances; i++) { + if (i % 20 == 0) { + gameRef->_renderer->setIndicatorVal((int)(50.0f + 50.0f / (float)((float)numInstances / (float)i))); + } + + checkHeader("<INSTANCE_HEAD>", persistMgr); + + int classID = persistMgr->getDWORD(); + int instanceID = persistMgr->getDWORD(); + void *instance = idToPointer(classID, instanceID); + + checkHeader("</INSTANCE_HEAD>", persistMgr); + + Classes::iterator it; + for (it = _classes.begin(); it != _classes.end(); ++it) { + if ((it->_value)->getSavedID() == classID) { + (it->_value)->loadInstance(instance, persistMgr); + break; + } + } + checkHeader("</INSTANCE>", persistMgr); + } + + _savedInstanceMap.clear(); + + return STATUS_OK; +} + + +////////////////////////////////////////////////////////////////////////// +bool SystemClassRegistry::enumInstances(SYS_INSTANCE_CALLBACK lpCallback, const char *className, void *lpData) { + NameMap::iterator mapIt = _nameMap.find(className); + if (mapIt == _nameMap.end()) { + return STATUS_FAILED; + } + + (*mapIt)._value->instanceCallback(lpCallback, lpData); + return STATUS_OK; +} + + +////////////////////////////////////////////////////////////////////////// +void SystemClassRegistry::dumpClasses(Common::WriteStream *stream) { + Classes::iterator it; + for (it = _classes.begin(); it != _classes.end(); ++it) { + (it->_value)->dump(stream); + } +} + +} // end of namespace Wintermute |