Initial commit

engines/titanic/game_location.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 3 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, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include "titanic/game_location.h"
+#include "titanic/game_manager.h"
+#include "titanic/game_state.h"
+#include "titanic/core/game_object.h"
+#include "titanic/core/project_item.h"
+
+namespace Titanic {
+
+#define STARTING_ROOM 3
+#define STARTING_NODE 1
+#define STARTING_VIEW 4
+
+CGameLocation::CGameLocation(CGameState *owner) : _gameState(owner),
+	_view(nullptr), _roomNumber(STARTING_ROOM),
+	_nodeNumber(STARTING_NODE), _viewNumber(STARTING_VIEW) {
+}
+
+void CGameLocation::save(SimpleFile *file) const {
+	file->writeNumber(_roomNumber);
+	file->writeNumber(_nodeNumber);
+	file->writeNumber(_viewNumber);
+}
+
+void CGameLocation::load(SimpleFile *file) {
+	_view = nullptr;
+	_roomNumber = file->readNumber();
+	_nodeNumber = file->readNumber();
+	_viewNumber = file->readNumber();
+}
+
+void CGameLocation::setView(CViewItem *view) {
+	if (_view) {
+		for (CTreeItem *treeItem = _view; treeItem;
+				treeItem = treeItem->scan(_view)) {
+			CGameObject *obj = dynamic_cast<CGameObject *>(treeItem);
+			if (obj)
+				obj->stopMovie();
+		}
+	}
+
+	_view = view;
+	if (_view) {
+		_viewNumber = _view->_viewNumber;
+		_nodeNumber = _view->findNode()->_nodeNumber;
+		_roomNumber = _view->findRoom()->_roomNumber;
+	} else {
+		_viewNumber = _nodeNumber = _roomNumber = -1;
+	}
+}
+
+CViewItem *CGameLocation::getView() {
+	if (!_view) {
+		CGameManager *gm = _gameState->_gameManager;
+		_view = gm->_project->findView(_roomNumber, _nodeNumber, _viewNumber);
+
+		if (!_view) {
+			// Fallback if view not found
+			_view = gm->_project->findView(STARTING_ROOM,
+				STARTING_NODE, STARTING_VIEW);
+
+			if (!_view) {
+				// Fallback for the fallback
+				for (int idx = 0; idx < 99 && !_view; ++idx) {
+					_view = gm->_project->findView(idx, 1, 1);
+				}
+			}
+		}
+	}
+
+	if (!_view) {
+		// Okay seriously, yet another fallback if view not found
+		_viewNumber = _nodeNumber = _roomNumber = -1;
+		_view = nullptr;
+	} else {
+		_viewNumber = _view->_viewNumber;
+		_nodeNumber = _view->findNode()->_nodeNumber;
+		_roomNumber = _view->findRoom()->_roomNumber;
+	}
+
+	return _view;
+}
+
+CNodeItem *CGameLocation::getNode() {
+	CViewItem *view = getView();
+	return !view ? nullptr : view->findNode();
+}
+
+CRoomItem *CGameLocation::getRoom() {
+	CViewItem *view = getView();
+	return !view ? nullptr : view->findRoom();
+}
+
+} // End of namespace Titanic