viewport.h

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/*
 *  The Mana Client
 *  Copyright (C) 2004-2009  The Mana World Development Team
 *  Copyright (C) 2009-2012  The Mana Developers
 *
 *  This file is part of The Mana Client.
 *
 *  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
 *  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/>.
 */
 
#pragma once
 
#include "eventlistener.h"
#include "position.h"
 
#include "utils/time.h"
 
#include "gui/widgets/windowcontainer.h"
 
#include <guichan/mouselistener.hpp>
 
#include <list>
 
class ActorSprite;
class Being;
class BeingPopup;
class FloorItem;
class Graphics;
class ImageSet;
class Item;
class Map;
class PopupMenu;
class Window;
 
const int walkingMouseDelay = 500;
 
class Viewport : public WindowContainer, public gcn::MouseListener,
        public EventListener
{
    public:
        Viewport();
 
        ~Viewport() override;
 
        void setMap(Map *map);
 
        void draw(gcn::Graphics *graphics) override;
 
        void logic() override;
 
        void setDebugFlags(int debugFlags);
 
        void mousePressed(gcn::MouseEvent &event) override;
 
        void mouseDragged(gcn::MouseEvent &event) override;
 
        void mouseReleased(gcn::MouseEvent &event) override;
 
        void mouseMoved(gcn::MouseEvent &event) override;
 
        void showPopup(Window *parent, int x, int y, Item *item,
                       bool isInventory = true, bool canDrop = true);
 
        void closePopupMenu();
 
        int getCameraX() const { return (int) mPixelViewX; }
 
        int getCameraY() const { return (int) mPixelViewY; }
 
        int getMouseX() const { return mMouseX; }
 
        int getMouseY() const { return mMouseY; }
 
        void scrollBy(float x, float y) { mPixelViewX += x; mPixelViewY += y; }
 
        Map *getCurrentMap() const { return mMap; }
 
        void hideBeingPopup();
 
        void shakeScreen(int intensity);
 
        void shakeScreen(float x, float y, float decay = 0.95f, unsigned duration = 0);
 
        void shakeScreenStop()
        { mShakeEffects.clear(); }
 
        void event(Event::Channel channel, const Event &event) override;
 
    private:
        void _drawDebugPath(Graphics *graphics);
 
        void _drawPath(Graphics *graphics, const Path &path,
                       gcn::Color color = gcn::Color(255, 0, 0));
 
        void _followMouse();
 
        void updateCursorType();
 
        Map *mMap = nullptr;        
        int mMouseX = 0;            
        int mMouseY = 0;            
        float mPixelViewX = 0.0f;   
        float mPixelViewY = 0.0f;   
        int mDebugFlags = 0;        
        struct ShakeEffect
        {
            float x;
            float y;
            float decay;
            float age = 0.0f;
            Timer timer;
        };
        std::list<ShakeEffect> mShakeEffects;
 
        bool mPlayerFollowMouse = false;
 
        Timer mLocalWalkTimer;      
        PopupMenu *mPopupMenu;              
        Being *mHoverBeing = nullptr;       
        FloorItem *mHoverItem = nullptr;    
        BeingPopup *mBeingPopup;            
};
 
extern Viewport *viewport;