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-rw-r--r--engines/wintermute/Sys/SysClassRegistry.cpp288
1 files changed, 288 insertions, 0 deletions
diff --git a/engines/wintermute/Sys/SysClassRegistry.cpp b/engines/wintermute/Sys/SysClassRegistry.cpp
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+++ b/engines/wintermute/Sys/SysClassRegistry.cpp
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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 "engines/wintermute/Base/BGame.h"
+#include "engines/wintermute/PlatformSDL.h"
+#include "SysInstance.h"
+#include "SysClassRegistry.h"
+
+namespace WinterMute {
+
+//////////////////////////////////////////////////////////////////////////
+CSysClassRegistry::CSysClassRegistry() {
+}
+
+
+//////////////////////////////////////////////////////////////////////////
+CSysClassRegistry::~CSysClassRegistry() {
+
+}
+
+//////////////////////////////////////////////////////////////////////////
+CSysClassRegistry *CSysClassRegistry::GetInstance() {
+ static CSysClassRegistry classReg;
+ return &classReg;
+}
+
+
+//////////////////////////////////////////////////////////////////////////
+bool CSysClassRegistry::RegisterClass(CSysClass *classObj) {
+ classObj->SetID(_count++);
+ //_classes.insert(classObj);
+ _classes[classObj] = classObj;
+
+ _nameMap[classObj->GetName()] = classObj;
+ _idMap[classObj->GetID()] = classObj;
+
+ return true;
+}
+
+
+//////////////////////////////////////////////////////////////////////////
+bool CSysClassRegistry::UnregisterClass(CSysClass *classObj) {
+
+ Classes::iterator it = _classes.find(classObj);
+ if (it == _classes.end()) return false;
+
+ if (classObj->GetNumInstances() != 0) {
+ char str[MAX_PATH];
+ sprintf(str, "Memory leak@class %-20s: %d instance(s) left\n", classObj->GetName().c_str(), classObj->GetNumInstances());
+ CBPlatform::OutputDebugString(str);
+ }
+ _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 CSysClassRegistry::RegisterInstance(const char *className, void *instance) {
+ if (_disabled) return true;
+
+ NameMap::iterator mapIt = _nameMap.find(className);
+ if (mapIt == _nameMap.end()) return false;
+
+ CSysInstance *inst = (*mapIt)._value->AddInstance(instance, _count++);
+ return (inst != NULL);
+}
+
+//////////////////////////////////////////////////////////////////////////
+void CSysClassRegistry::AddInstanceToTable(CSysInstance *instance, void *pointer) {
+ _instanceMap[pointer] = instance;
+
+ if (instance->GetSavedID() >= 0)
+ _savedInstanceMap[instance->GetSavedID()] = instance;
+}
+
+//////////////////////////////////////////////////////////////////////////
+int CSysClassRegistry::GetNextID() {
+ return _count++;
+}
+
+//////////////////////////////////////////////////////////////////////////
+bool CSysClassRegistry::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 CSysClassRegistry::GetPointerID(void *pointer, int *classID, int *instanceID) {
+ if (pointer == NULL) return true;
+
+ InstanceMap::iterator it = _instanceMap.find(pointer);
+ if (it == _instanceMap.end()) return false;
+
+
+ CSysInstance *inst = (*it)._value;
+ *instanceID = inst->GetID();
+ *classID = inst->GetClass()->GetID();
+
+ return true;
+}
+
+//////////////////////////////////////////////////////////////////////////
+void *CSysClassRegistry::IDToPointer(int classID, int instanceID) {
+ SavedInstanceMap::iterator it = _savedInstanceMap.find(instanceID);
+ if (it == _savedInstanceMap.end()) return NULL;
+ else return (*it)._value->GetInstance();
+}
+
+
+//////////////////////////////////////////////////////////////////////////
+HRESULT CSysClassRegistry::SaveTable(CBGame *Game, CBPersistMgr *PersistMgr, bool quickSave) {
+ PersistMgr->PutDWORD(_classes.size());
+
+ int counter = 0;
+
+ Classes::iterator it;
+ for (it = _classes.begin(); it != _classes.end(); ++it) {
+ counter++;
+
+ if (!quickSave) {
+ Game->_indicatorProgress = 50.0f / (float)((float)_classes.size() / (float)counter);
+ Game->DisplayContent(false);
+ Game->_renderer->Flip();
+ }
+
+ (it->_value)->SaveTable(Game, PersistMgr);
+ }
+
+ return S_OK;
+}
+
+
+//////////////////////////////////////////////////////////////////////////
+HRESULT CSysClassRegistry::LoadTable(CBGame *Game, CBPersistMgr *PersistMgr) {
+ Classes::iterator it;
+
+ // reset SavedID of current instances
+ 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();
+
+
+ int numClasses = PersistMgr->GetDWORD();
+
+ for (int i = 0; i < numClasses; i++) {
+ Game->_indicatorProgress = 50.0f / (float)((float)numClasses / (float)i);
+ Game->DisplayContentSimple();
+ Game->_renderer->Flip();
+
+ char *className = PersistMgr->GetString();
+ NameMap::iterator mapIt = _nameMap.find(className);
+ if (mapIt != _nameMap.end())(*mapIt)._value->LoadTable(Game, PersistMgr);
+ }
+
+ return S_OK;
+}
+
+
+//////////////////////////////////////////////////////////////////////////
+HRESULT CSysClassRegistry::SaveInstances(CBGame *Game, CBPersistMgr *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) {
+ Game->_indicatorProgress = 50 + 50.0f / (float)((float)_classes.size() / (float)counter);
+ Game->DisplayContent(false);
+ Game->_renderer->Flip();
+ }
+ }
+ Game->MiniUpdate();
+
+ (it->_value)->SaveInstances(Game, PersistMgr);
+ }
+
+ return S_OK;
+}
+
+
+//////////////////////////////////////////////////////////////////////////
+HRESULT CSysClassRegistry::LoadInstances(CBGame *Game, CBPersistMgr *PersistMgr) {
+ // get total instances
+ int numInstances = PersistMgr->GetDWORD();
+
+ for (int i = 0; i < numInstances; i++) {
+ if (i % 20 == 0) {
+ Game->_indicatorProgress = 50 + 50.0f / (float)((float)numInstances / (float)i);
+ Game->DisplayContentSimple();
+ Game->_renderer->Flip();
+ }
+
+ int classID = PersistMgr->GetDWORD();
+ int instanceID = PersistMgr->GetDWORD();
+ void *instance = IDToPointer(classID, instanceID);
+
+
+ Classes::iterator it;
+ for (it = _classes.begin(); it != _classes.end(); ++it) {
+ if ((it->_value)->GetSavedID() == classID) {
+ (it->_value)->LoadInstance(instance, PersistMgr);
+ }
+ }
+ }
+
+ _savedInstanceMap.clear();
+
+ return S_OK;
+}
+
+
+//////////////////////////////////////////////////////////////////////////
+HRESULT CSysClassRegistry::EnumInstances(SYS_INSTANCE_CALLBACK lpCallback, const char *className, void *lpData) {
+ NameMap::iterator mapIt = _nameMap.find(className);
+ if (mapIt == _nameMap.end()) return E_FAIL;
+
+ (*mapIt)._value->InstanceCallback(lpCallback, lpData);
+ return S_OK;
+}
+
+
+//////////////////////////////////////////////////////////////////////////
+void CSysClassRegistry::DumpClasses(void *stream) {
+ Classes::iterator it;
+ for (it = _classes.begin(); it != _classes.end(); ++it)
+ (it->_value)->Dump(stream);
+}
+
+} // end of namespace WinterMute