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/*
* The Mana World
* Copyright 2004 The Mana World Development Team
*
* This file is part of The Mana World.
*
* The Mana World 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
* any later version.
*
* The Mana World 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 The Mana World; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef _TMW_VIEWPORT_H_
#define _TMW_VIEWPORT_H_
#include <guichan/mouselistener.hpp>
#include "windowcontainer.h"
#include "../being.h"
#include "../configlistener.h"
#include "../guichanfwd.h"
class Map;
class FloorItem;
class ImageSet;
class Item;
class PopupMenu;
class Graphics;
/**
* The viewport on the map. Displays the current map and handles mouse input
* and the popup menu.
*
* TODO: This class is planned to be extended to allow floating widgets on top
* of it such as NPC messages, which are positioned using map pixel
* coordinates.
*/
class Viewport : public WindowContainer, public gcn::MouseListener,
public ConfigListener
{
public:
/**
* Constructor.
*/
Viewport();
/**
* Destructor.
*/
~Viewport();
/**
* Sets the map displayed by the viewport.
*/
void
setMap(Map *map);
/**
* Draws the viewport.
*/
void
draw(gcn::Graphics *graphics);
/**
* Implements player to keep following mouse.
*/
void
logic();
/**
* Toggles whether the path debug graphics are shown
*/
void
toggleDebugPath() { mShowDebugPath = !mShowDebugPath; }
/**
* Handles mouse press on map.
*/
void
mousePressed(gcn::MouseEvent &event);
/**
* Handles mouse move on map
*/
void
mouseDragged(gcn::MouseEvent &event);
/**
* Handles mouse button release on map.
*/
void
mouseReleased(gcn::MouseEvent &event);
/**
* Shows a popup for an item.
* TODO Find some way to get rid of Item here
*/
void
showPopup(int x, int y, Item *item);
/**
* A relevant config option changed.
*/
void
optionChanged(const std::string &name);
/**
* Returns camera x offset in pixels.
*/
int
getCameraX() const { return (int) mPixelViewX; }
/**
* Returns camera y offset in pixels.
*/
int
getCameraY() const { return (int) mPixelViewY; }
/**
* Changes viewpoint by relative pixel coordinates.
*/
void
scrollBy(float x, float y) { mPixelViewX += x; mPixelViewY += y; }
private:
Map *mMap; /**< The current map. */
int mScrollRadius;
int mScrollLaziness;
int mScrollCenterOffsetX;
int mScrollCenterOffsetY;
float mPixelViewX; /**< Current viewpoint in pixels. */
float mPixelViewY; /**< Current viewpoint in pixels. */
int mTileViewX; /**< Current viewpoint in tiles. */
int mTileViewY; /**< Current viewpoint in tiles. */
bool mShowDebugPath; /**< Show a path from player to pointer. */
bool mPlayerFollowMouse;
int mWalkTime;
PopupMenu *mPopupMenu; /**< Popup menu. */
};
#endif
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