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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.
*
*/
#include "titanic/core/tree_item.h"
#include "titanic/core/dont_save_file_item.h"
#include "titanic/core/file_item.h"
#include "titanic/core/game_object.h"
#include "titanic/core/game_object_desc_item.h"
#include "titanic/core/link_item.h"
#include "titanic/core/named_item.h"
#include "titanic/core/node_item.h"
#include "titanic/core/view_item.h"
#include "titanic/core/room_item.h"
namespace Titanic {
CTreeItem::CTreeItem() : _parent(nullptr), _firstChild(nullptr),
_nextSibling(nullptr), _priorSibling(nullptr), _field14(0) {
}
void CTreeItem::dump(int indent) {
CString line = dumpItem(indent);
debug("%s", line.c_str());
CTreeItem *item = getFirstChild();
while (item) {
item->dump(indent + 1);
item = item->getNextSibling();
}
}
CString CTreeItem::dumpItem(int indent) const {
CString result;
for (int idx = 0; idx < indent; ++idx)
result += '\t';
result += getType()->_className;
return result;
}
bool CTreeItem::isFileItem() const {
return isInstanceOf(CFileItem::_type);
}
bool CTreeItem::isRoomItem() const {
return isInstanceOf(CRoomItem::_type);
}
bool CTreeItem::isNodeItem() const {
return isInstanceOf(CNodeItem::_type);
}
bool CTreeItem::isViewItem() const {
return isInstanceOf(CViewItem::_type);
}
bool CTreeItem::isLinkItem() const {
return isInstanceOf(CLinkItem::_type);
}
bool CTreeItem::isNamedItem() const {
return isInstanceOf(CNamedItem::_type);
}
bool CTreeItem::isGameObject() const {
return isInstanceOf(CGameObject::_type);
}
bool CTreeItem::isGameObjectDescItem() const {
return isInstanceOf(CGameObjectDescItem::_type);
}
void CTreeItem::save(SimpleFile *file, int indent) const {
file->writeNumberLine(0, indent);
CMessageTarget::save(file, indent);
}
void CTreeItem::load(SimpleFile *file) {
file->readNumber();
CMessageTarget::load(file);
}
CGameManager *CTreeItem::getGameManager() const {
return _parent ? _parent->getGameManager() : nullptr;
}
CTreeItem *CTreeItem::getRoot() const {
CTreeItem *parent = getParent();
if (parent) {
do {
parent = parent->getParent();
} while (parent->getParent());
}
return parent;
}
CTreeItem *CTreeItem::getLastSibling() {
CTreeItem *item = this;
while (item->getNextSibling())
item = item->getNextSibling();
return item;
}
CTreeItem *CTreeItem::getLastChild() const {
if (!_firstChild)
return nullptr;
return _firstChild->getLastSibling();
}
CTreeItem *CTreeItem::scan(CTreeItem *item) const {
if (_firstChild)
return _firstChild;
const CTreeItem *treeItem = this;
while (treeItem != item) {
if (treeItem->_nextSibling)
return treeItem->_nextSibling;
treeItem = treeItem->_parent;
if (!treeItem)
break;
}
return nullptr;
}
CTreeItem *CTreeItem::findChildInstanceOf(ClassDef *classDef) const {
for (CTreeItem *treeItem = _firstChild; treeItem; treeItem = treeItem->getNextSibling()) {
if (treeItem->isInstanceOf(classDef))
return treeItem;
}
return nullptr;
}
CTreeItem *CTreeItem::findNextInstanceOf(ClassDef *classDef, CTreeItem *startItem) const {
CTreeItem *treeItem = startItem ? startItem->getNextSibling() : getFirstChild();
for (; treeItem; treeItem = treeItem->getNextSibling()) {
if (treeItem->isInstanceOf(classDef))
return treeItem;
}
return nullptr;
}
void CTreeItem::addUnder(CTreeItem *newParent) {
if (newParent->_firstChild)
addSibling(newParent->getLastSibling());
else
setParent(newParent);
}
void CTreeItem::setParent(CTreeItem *newParent) {
_parent = newParent;
_priorSibling = nullptr;
_nextSibling = newParent->_firstChild;
if (newParent->_firstChild)
newParent->_firstChild->_priorSibling = this;
newParent->_firstChild = this;
}
void CTreeItem::addSibling(CTreeItem *item) {
_priorSibling = item->_nextSibling;
_nextSibling = item->_nextSibling;
_parent = item->_parent;
if (item->_nextSibling)
item->_nextSibling->_priorSibling = this;
item->_nextSibling = this;
}
void CTreeItem::destroyAll() {
destroyOthers();
detach();
delete this;
}
int CTreeItem::destroyOthers() {
if (!_firstChild)
return 0;
CTreeItem *item = this, *child, *nextSibling;
int total = 0;
do {
child = item->_firstChild;
nextSibling = item->_nextSibling;
if (child)
total += child->destroyOthers();
child->detach();
delete child;
++total;
} while ((item = nextSibling) != nullptr);
return total;
}
void CTreeItem::detach() {
// Delink this item from any prior and/or next siblings
if (_priorSibling)
_priorSibling->_nextSibling = _nextSibling;
if (_nextSibling)
_nextSibling->_priorSibling = _priorSibling;
if (_parent && _parent->_firstChild == this)
_parent->_firstChild = _nextSibling;
_priorSibling = _nextSibling = _parent = nullptr;
}
CNamedItem *CTreeItem::findByName(const CString &name, int maxLen) {
CString nameLower = name;
nameLower.toLowercase();
for (CTreeItem *treeItem = this; treeItem; treeItem = scan(treeItem)) {
CString nodeName = treeItem->getName();
nodeName.toLowercase();
if (maxLen) {
if (nodeName.left(maxLen).compareTo(nameLower))
return dynamic_cast<CNamedItem *>(treeItem);
} else {
if (nodeName.compareTo(nameLower))
return dynamic_cast<CNamedItem *>(treeItem);
}
}
return nullptr;
}
} // End of namespace Titanic
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