/* 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/base/gfx/base_renderer.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 != nullptr);
}
//////////////////////////////////////////////////////////////////////////
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 == nullptr) {
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 nullptr;
} 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("");
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("");
return STATUS_OK;
}
//////////////////////////////////////////////////////////////////////////
bool SystemClassRegistry::loadTable(BaseGame *gameRef, BasePersistenceManager *persistMgr) {
checkHeader("", 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("", 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("", persistMgr);
int classID = persistMgr->getDWORD();
int instanceID = persistMgr->getDWORD();
void *instance = idToPointer(classID, instanceID);
checkHeader("", persistMgr);
Classes::iterator it;
for (it = _classes.begin(); it != _classes.end(); ++it) {
if ((it->_value)->getSavedID() == classID) {
(it->_value)->loadInstance(instance, persistMgr);
break;
}
}
checkHeader("", 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