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engines/titanic/core/view_item.h

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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/>.
+ *
+ */
+
+#ifndef TITANIC_VIEW_ITEM_H
+#define TITANIC_VIEW_ITEM_H
+
+#include "titanic/core/link_item.h"
+#include "titanic/core/named_item.h"
+#include "titanic/core/resource_key.h"
+#include "titanic/messages/mouse_messages.h"
+
+namespace Titanic {
+
+class CViewItem : public CNamedItem {
+	DECLARE_MESSAGE_MAP;
+	bool MouseButtonDownMsg(CMouseButtonDownMsg *msg);
+	bool MouseButtonUpMsg(CMouseButtonUpMsg *msg);
+	bool MouseMoveMsg(CMouseMoveMsg *msg);
+	bool MouseDoubleClickMsg(CMouseDoubleClickMsg *msg);
+	bool MovementMsg(CMovementMsg *msg);
+private:
+	CTreeItem *_buttonUpTargets[4];
+private:
+	/**
+	 * Sets the angle of the view relative to the node it belongs to
+	 */
+	void setAngle(double angle);
+
+	/**
+	 * Called to handle mouse messagaes on the view
+	 */
+	bool handleMouseMsg(CMouseMsg *msg, bool flag);
+
+	/**
+	 * Handles mouse button up messages
+	 */
+	void handleButtonUpMsg(CMouseButtonUpMsg *msg);
+
+	/**
+	 * Returns the item in the view at a given point that will
+	 * receive any mouse click
+	 */
+	CTreeItem *getItemAtPoint(const Point &pt);
+protected:
+	int _field24;
+	CResourceKey _resourceKey;
+	Point _viewPos;
+public:
+	int _viewNumber;
+	double _angle;
+public:
+	CLASSDEF;
+	CViewItem();
+
+	/**
+	 * Save the data for the class to file
+	 */
+	void save(SimpleFile *file, int indent) override;
+
+	/**
+	 * Load the data for the class from file
+	 */
+	void load(SimpleFile *file) override;
+
+	/**
+	 * Get the resource key for the view
+	 */
+	bool getResourceKey(CResourceKey *key);
+
+	/**
+	 * Called when leaving the view
+	 */
+	void leaveView(CViewItem *newView);
+
+	/**
+	 * Called on an old view just left, and about to enter a new view
+	 */
+	void preEnterView(CViewItem *newView);
+
+	/**
+	 * Called when a new view is being entered
+	 */
+	void enterView(CViewItem *newView);
+
+	/**
+	 * Finds a link which connects to another designated view
+	 */
+	CLinkItem *findLink(CViewItem *newView);
+
+	/**
+	 * Return the full Id of the current view in a
+	 * room.node.view tuplet form
+	 */
+	CString getFullViewName() const;
+
+	/**
+	 * Return the Id of the current view in a
+	 * room.node.view tuplet form
+	 */
+	CString getNodeViewName() const;
+
+	/**
+	 * Gets the relative position of the view within the owning room
+	 */
+	void getPosition(double &xp, double &yp, double &zp);
+};
+
+} // End of namespace Titanic
+
+#endif /* TITANIC_NAMED_ITEM_H */