Initial commit

engines/titanic/core/link_item.cpp

@@ -0,0 +1,205 @@
+/* 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/core/link_item.h"
+#include "titanic/core/node_item.h"
+#include "titanic/core/project_item.h"
+#include "titanic/core/view_item.h"
+
+namespace Titanic {
+
+EMPTY_MESSAGE_MAP(CLinkItem, CNamedItem);
+
+Movement CLinkItem::getMovementFromCursor(CursorId cursorId) {
+	if (cursorId == CURSOR_MOVE_LEFT)
+		return TURN_LEFT;
+	else if (cursorId == CURSOR_MOVE_RIGHT)
+		return TURN_RIGHT;
+	else if (cursorId == CURSOR_MOVE_FORWARD || cursorId == CURSOR_MOVE_THROUGH ||
+			cursorId == CURSOR_DOWN || cursorId == CURSOR_LOOK_UP ||
+			cursorId == CURSOR_LOOK_DOWN || cursorId == CURSOR_MAGNIFIER)
+		return MOVE_FORWARDS;
+	else if (cursorId == CURSOR_BACKWARDS)
+		return MOVE_BACKWARDS;
+	else
+		return MOVE_NONE;
+}
+
+CLinkItem::CLinkItem() : CNamedItem() {
+	_roomNumber = -1;
+	_nodeNumber = -1;
+	_viewNumber = -1;
+	_linkMode = 0;
+	_cursorId = CURSOR_ARROW;
+	_name = "Link";
+}
+
+CString CLinkItem::formName() {
+	CViewItem *view = findView();
+	CNodeItem *node = view->findNode();
+	CRoomItem *room = node->findRoom();
+
+	CViewItem *destView = getDestView();
+	CNodeItem *destNode = destView->findNode();
+	CRoomItem *destRoom = destNode->findRoom();
+
+	switch (_linkMode) {
+	case 1:
+		return CString::format("_PANL,%d,%s,%s", node->_nodeNumber,
+			view->getName().c_str(), destView->getName().c_str());
+
+	case 2:
+		return CString::format("_PANR,%d,%s,%s", node->_nodeNumber,
+			view->getName().c_str(), destView->getName().c_str());
+
+	case 3:
+		return CString::format("_TRACK,%d,%s,%d,%s",
+			node->_nodeNumber, view->getName().c_str(),
+			destNode->_nodeNumber, destView->getName().c_str());
+
+	case 4:
+		return CString::format("_EXIT,%d,%d,%s,%d,%d,%s",
+			room->_roomNumber, node->_nodeNumber, view->getName().c_str(),
+			destRoom->_roomNumber, destNode->_nodeNumber, destView->getName().c_str());
+
+	default:
+		return getName().c_str();
+	}
+}
+
+void CLinkItem::save(SimpleFile *file, int indent) {
+	file->writeNumberLine(2, indent);
+	file->writeQuotedLine("L", indent);
+	file->writeNumberLine(_cursorId, indent + 1);
+	file->writeNumberLine(_linkMode, indent + 1);
+	file->writeNumberLine(_roomNumber, indent + 1);
+	file->writeNumberLine(_nodeNumber, indent + 1);
+	file->writeNumberLine(_viewNumber, indent + 1);
+
+	file->writeQuotedLine("Hotspot", indent + 1);
+	file->writeNumberLine(_bounds.left, indent + 2);
+	file->writeNumberLine(_bounds.top, indent + 2);
+	file->writeNumberLine(_bounds.right, indent + 2);
+	file->writeNumberLine(_bounds.bottom, indent + 2);
+
+	CNamedItem::save(file, indent);
+}
+
+void CLinkItem::load(SimpleFile *file) {
+	int val = file->readNumber();
+	file->readBuffer();
+
+	switch (val) {
+	case 2:
+		_cursorId = (CursorId)file->readNumber();
+		// Intentional fall-through
+
+	case 1:
+		_linkMode = file->readNumber();
+		// Intentional fall-through
+
+	case 0:
+		_roomNumber = file->readNumber();
+		_nodeNumber = file->readNumber();
+		_viewNumber = file->readNumber();
+
+		file->readBuffer();
+		_bounds.left = file->readNumber();
+		_bounds.top = file->readNumber();
+		_bounds.right = file->readNumber();
+		_bounds.bottom = file->readNumber();
+		break;
+
+	default:
+		break;
+	}
+
+	CNamedItem::load(file);
+
+	if (val < 2) {
+		switch (_linkMode) {
+		case 2:
+			_cursorId = CURSOR_MOVE_LEFT;
+			break;
+		case 3:
+			_cursorId = CURSOR_MOVE_RIGHT;
+			break;
+		case 5:
+			_cursorId = CURSOR_MOVE_FORWARD;
+			break;
+		default:
+			_cursorId = CURSOR_MOVE_THROUGH;
+			break;
+		}
+	}
+}
+
+bool CLinkItem::connectsTo(CViewItem *destView) const {
+	CNodeItem *destNode = destView->findNode();
+	CRoomItem *destRoom = destNode->findRoom();
+
+	return _viewNumber == destView->_viewNumber &&
+		_nodeNumber == destNode->_nodeNumber &&
+		_roomNumber == destRoom->_roomNumber;
+}
+
+void CLinkItem::setDestination(int roomNumber, int nodeNumber,
+		int viewNumber, int linkMode) {
+	_roomNumber = roomNumber;
+	_nodeNumber = nodeNumber;
+	_viewNumber = viewNumber;
+	_linkMode = linkMode;
+
+	_name = formName();
+}
+
+CViewItem *CLinkItem::getDestView() const {
+	return getRoot()->findView(_roomNumber, _nodeNumber, _viewNumber);
+}
+
+CNodeItem *CLinkItem::getDestNode() const {
+	return getDestView()->findNode();
+}
+
+CRoomItem *CLinkItem::getDestRoom() const {
+	return getDestNode()->findRoom();
+}
+
+CMovieClip *CLinkItem::getClip() const {
+	return findRoom()->findClip(getName());
+}
+
+Movement CLinkItem::getMovement() const {
+	if (_bounds.isEmpty())
+		return MOVE_NONE;
+
+	return getMovementFromCursor(_cursorId);
+}
+
+bool CLinkItem::findPoint(Quadrant quadrant, Point &pt) {
+	if (_bounds.isEmpty())
+		return false;
+
+	pt = _bounds.getPoint(quadrant);
+	return true;
+}
+
+} // End of namespace Titanic