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/* 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 "persistent.h"
#include "SysInstance.h"
#include "SysClass.h"
#include "SysClassRegistry.h"
#include "BGame.h"
#include "BPersistMgr.h"
namespace WinterMute {
// TODO: Note that the set was removed, this might have bizarre side-effects.
//////////////////////////////////////////////////////////////////////////
CSysClass::CSysClass(const AnsiString &name, PERSISTBUILD build, PERSISTLOAD load, bool persistent_class) {
_name = name;
_build = build;
_load = load;
_next = NULL;
_savedID = -1;
_persistent = persistent_class;
_numInst = 0;
CSysClassRegistry::GetInstance()->RegisterClass(this);
}
//////////////////////////////////////////////////////////////////////////
CSysClass::~CSysClass() {
CSysClassRegistry::GetInstance()->UnregisterClass(this);
RemoveAllInstances();
}
//////////////////////////////////////////////////////////////////////////
bool CSysClass::RemoveAllInstances() {
InstanceMap::iterator it;
for (it = _instanceMap.begin(); it != _instanceMap.end(); ++it) {
delete(it->_value);
}
//_instances.clear();
_instanceMap.clear();
return true;
}
//////////////////////////////////////////////////////////////////////////
CSysInstance *CSysClass::AddInstance(void *instance, int id, int savedId) {
CSysInstance *inst = new CSysInstance(instance, id, this);
inst->SetSavedID(savedId);
//_instances.insert(inst);
_instanceMap[instance] = inst;
CSysClassRegistry::GetInstance()->AddInstanceToTable(inst, instance);
return inst;
}
//////////////////////////////////////////////////////////////////////////
bool CSysClass::RemoveInstance(void *instance) {
InstanceMap::iterator mapIt = _instanceMap.find(instance);
if (mapIt == _instanceMap.end()) return false;
/*
Instances::iterator it = _instances.find((*mapIt).second);
if (it != _instances.end()) {
delete(*it);
_instances.erase(it);
}*/
delete mapIt->_value;
_instanceMap.erase(mapIt);
return false;
}
//////////////////////////////////////////////////////////////////////////
int CSysClass::GetInstanceID(void *pointer) {
InstanceMap::iterator mapIt = _instanceMap.find(pointer);
if (mapIt == _instanceMap.end()) return -1;
else return (*mapIt)._value->GetID();
}
//////////////////////////////////////////////////////////////////////////
void *CSysClass::IDToPointer(int savedID) {
//slow
/*Instances::iterator it;
for (it = _instances.begin(); it != _instances.end(); ++it) {
if ((*it)->GetSavedID() == savedID) return (*it)->GetInstance();
}*/
InstanceMap::iterator it;
for (it = _instanceMap.begin(); it != _instanceMap.end(); ++it) {
if ((it->_value)->GetSavedID() == savedID) return (it->_value)->GetInstance();
}
return NULL;
}
//////////////////////////////////////////////////////////////////////////
int CSysClass::GetNumInstances() {
//return _instances.size();
return _instanceMap.size(); // TODO: This might break, if we have multiple keys per value.
}
//////////////////////////////////////////////////////////////////////////
void CSysClass::Dump(void *stream) {
fprintf((FILE*)stream, "%03d %c %-20s instances: %d\n", _iD, _persistent ? 'p' : ' ', _name.c_str(), GetNumInstances());
}
//////////////////////////////////////////////////////////////////////////
void CSysClass::SaveTable(CBGame *Game, CBPersistMgr *PersistMgr) {
PersistMgr->PutString(_name.c_str());
PersistMgr->PutDWORD(_iD);
PersistMgr->PutDWORD(_instanceMap.size());
InstanceMap::iterator it;
for (it = _instanceMap.begin(); it != _instanceMap.end(); ++it) {
PersistMgr->PutDWORD((it->_value)->GetID());
}
/*
Instances::iterator it;
for (it = _instances.begin(); it != _instances.end(); ++it) {
PersistMgr->PutDWORD((*it)->GetID());
}*/
}
//////////////////////////////////////////////////////////////////////////
void CSysClass::LoadTable(CBGame *Game, CBPersistMgr *PersistMgr) {
_savedID = PersistMgr->GetDWORD();
int numInstances = PersistMgr->GetDWORD();
for (int i = 0; i < numInstances; i++) {
if (_persistent) {
int instId = PersistMgr->GetDWORD();
if (i > 0) {
Game->LOG(0, "Warning: attempting to load multiple instances of persistent class %s (%d)", _name.c_str(), numInstances);
continue;
}
InstanceMap::iterator it = _instanceMap.begin();
/* Instances::iterator it = _instances.begin();*/
if (it != _instanceMap.end()) {
(it->_value)->SetSavedID(instId);
CSysClassRegistry::GetInstance()->AddInstanceToTable((it->_value), (it->_value)->GetInstance());
} else Game->LOG(0, "Warning: instance %d of persistent class %s not found", i, _name.c_str());
}
// normal instances, create empty objects
else {
void *emptyObject = _build();
AddInstance(emptyObject, CSysClassRegistry::GetInstance()->GetNextID(), PersistMgr->GetDWORD());
}
}
}
//////////////////////////////////////////////////////////////////////////
void CSysClass::SaveInstances(CBGame *Game, CBPersistMgr *PersistMgr) {
InstanceMap::iterator it;
for (it = _instanceMap.begin(); it != _instanceMap.end(); ++it) {
// write instace header
PersistMgr->PutDWORD(_iD);
PersistMgr->PutDWORD((it->_value)->GetID());
_load((it->_value)->GetInstance(), PersistMgr);
}
}
//////////////////////////////////////////////////////////////////////////
void CSysClass::LoadInstance(void *instance, CBPersistMgr *PersistMgr) {
_load(instance, PersistMgr);
}
//////////////////////////////////////////////////////////////////////////
void CSysClass::ResetSavedIDs() {
InstanceMap::iterator it;
for (it = _instanceMap.begin(); it != _instanceMap.end(); ++it) {
(it->_value)->SetSavedID(-1);
}
}
//////////////////////////////////////////////////////////////////////////
void CSysClass::InstanceCallback(SYS_INSTANCE_CALLBACK lpCallback, void *lpData) {
InstanceMap::iterator it;
for (it = _instanceMap.begin(); it != _instanceMap.end(); ++it) {
lpCallback((it->_value)->GetInstance(), lpData);
}
}
} // end of namespace WinterMute
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