summaryrefslogblamecommitdiff
path: root/src/gui/viewport.cpp
blob: 1451b935e136891822989ce634654ccca37f1dbd (plain) (tree)
1
2
3
4
5
6
7
8
  
                   

                                                            
  
                                         
  
                                                                        



                                                                        
                                                                   




                                                                     
                                                                         

   

                         
                   


                             







                           


                           
                           
 

                    



                                      
 

                              

                     

               

                      
                          
                              
                      



                           

                                                                  

                                                                           



                                               
                               
                                 

                       




                      
                       

 
                               
 



                                                  


               

                                          
                                               



                                    



                                                               
               
     









                                                             

                                                                      
 


                                                         






                                                       
                                                   
         

                                                                     
         
                                                   
         

                                                                     
         
                                                   
         

                                                                     
         
                                                   
         

                                                                     




                                            



                                                                  

         

                               

      
                                                                



                                                                          

             
                            
                            
                            
                            
                                   
                                   
                                   
                                   

     


                             
                                                                   
 

                           

                                                  



                                                  

         
 
                                           
     
                                                


                                                     


                    
                                                                          

     
                                                              


                                                                         
     

                                                                          

     


                                              
                             
                                       

 
                      
 
                             
 


                                                          
 
 

                             
                                                         

                                                     
     













                                                               
     

 
                                                 

                                     
                                          
 

                                                              
                                                         

                                    

                                          
                                          
 
                                   

 
                                                              
 
                                              
                                                                     
     

                                                         




                                                                        


     
                                                   
 


                                  
                                        
                                                         


                           
                         



                               

                                                        

                                     
                                                    
     
                                                      
         
                                                                           
                   
         
                            
         
                                                                          




                                           
                                

                                      



                                             
                                                   
     
                                   
                        
         
                                           
             
                               
                                
                                                           

                          
                                                        

                                    
                                            
                                                

                              
                                                                      
                                                                  
                     
                                                        
                                                                        


                        
                                                                
                     
                          

                          
              
                                               
         
                            
         
                                            
         
                                                               


                   
                           
            
         
                                      
                                        
                                      


                                                       

         
                                                          

                                                         
                                                             
                                                    
 
                   
                                            


     
                                                   



                              
                                                      
     

                                                          






                                                                            


            
                                                           
           
                                                          



                                                             

                                                        
         
     

 
                                                    

                               

                                                              
                        

 

                                                                  
 
                                                           

 




                                     
                                                     


                                                                  
 
 
                                                 




                                 

                                                     
 
                                                       

                                                       

                                       






























                                                                               
 











                                            

                               
                                   
 
/*
 *  The Mana Client
 *  Copyright (C) 2004-2009  The Mana World Development Team
 *  Copyright (C) 2009-2010  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/>.
 */

#include "gui/viewport.h"

#include "client.h"
#include "beingmanager.h"
#include "configuration.h"
#include "flooritemmanager.h"
#include "graphics.h"
#include "keyboardconfig.h"
#include "localplayer.h"
#include "map.h"
#include "monster.h"
#include "npc.h"
#include "textmanager.h"

#include "gui/gui.h"
#include "gui/ministatus.h"
#include "gui/popupmenu.h"
#include "gui/beingpopup.h"

#include "net/net.h"

#include "resources/monsterinfo.h"
#include "resources/resourcemanager.h"

#include "utils/stringutils.h"

extern volatile int tick_time;

Viewport::Viewport():
    mMap(0),
    mMouseX(0),
    mMouseY(0),
    mPixelViewX(0.0f),
    mPixelViewY(0.0f),
    mShowDebugPath(false),
    mPlayerFollowMouse(false),
    mLocalWalkTime(-1)
{
    setOpaque(false);
    addMouseListener(this);

    mScrollLaziness = (int) config.getValue("ScrollLaziness", 16);
    mScrollRadius = (int) config.getValue("ScrollRadius", 0);
    mScrollCenterOffsetX = (int) config.getValue("ScrollCenterOffsetX", 0);
    mScrollCenterOffsetY = (int) config.getValue("ScrollCenterOffsetY", 0);

    config.addListener("ScrollLaziness", this);
    config.addListener("ScrollRadius", this);

    mPopupMenu = new PopupMenu;
    mBeingPopup = new BeingPopup;

    setFocusable(true);
}

Viewport::~Viewport()
{
    delete mPopupMenu;
    delete mBeingPopup;
}

void Viewport::setMap(Map *map)
{
    if (mMap && map)
    {
        map->setDebugFlags(mMap->getDebugFlags());
    }
    mMap = map;
}

extern MiniStatusWindow *miniStatusWindow;

void Viewport::draw(gcn::Graphics *gcnGraphics)
{
    static int lastTick = tick_time;

    if (!mMap || !player_node)
    {
        gcnGraphics->setColor(gcn::Color(64, 64, 64));
        gcnGraphics->fillRectangle(
                gcn::Rectangle(0, 0, getWidth(), getHeight()));
        return;
    }

    Graphics *graphics = static_cast<Graphics*>(gcnGraphics);

    // Avoid freaking out when tick_time overflows
    if (tick_time < lastTick)
    {
        lastTick = tick_time;
    }

    // Calculate viewpoint
    int midTileX = (graphics->getWidth() + mScrollCenterOffsetX) / 2;
    int midTileY = (graphics->getHeight() + mScrollCenterOffsetX) / 2;

    const Vector &playerPos = player_node->getPosition();
    const int player_x = (int) playerPos.x - midTileX;
    const int player_y = (int) playerPos.y - midTileY;

    if (mScrollLaziness < 1)
        mScrollLaziness = 1; // Avoids division by zero

    // Apply lazy scrolling
    while (lastTick < tick_time)
    {
        if (player_x > mPixelViewX + mScrollRadius)
        {
            mPixelViewX += (player_x - mPixelViewX - mScrollRadius) /
                            mScrollLaziness;
        }
        if (player_x < mPixelViewX - mScrollRadius)
        {
            mPixelViewX += (player_x - mPixelViewX + mScrollRadius) /
                            mScrollLaziness;
        }
        if (player_y > mPixelViewY + mScrollRadius)
        {
            mPixelViewY += (player_y - mPixelViewY - mScrollRadius) /
                            mScrollLaziness;
        }
        if (player_y < mPixelViewY - mScrollRadius)
        {
            mPixelViewY += (player_y - mPixelViewY + mScrollRadius) /
                            mScrollLaziness;
        }
        lastTick++;
    }

    // Auto center when player is off screen
    if (        player_x - mPixelViewX > graphics->getWidth() / 2
            ||  mPixelViewX - player_x > graphics->getWidth() / 2
            ||  mPixelViewY - player_y > graphics->getHeight() / 2
            ||  player_y - mPixelViewY > graphics->getHeight() / 2
        )
    {
        mPixelViewX = player_x;
        mPixelViewY = player_y;
    };

    // Don't move camera so that the end of the map is on screen
    const int viewXmax =
        mMap->getWidth() * mMap->getTileWidth() - graphics->getWidth();
    const int viewYmax =
        mMap->getHeight() * mMap->getTileHeight() - graphics->getHeight();
    if (mMap)
    {
        if (mPixelViewX < 0)
            mPixelViewX = 0;
        if (mPixelViewY < 0)
            mPixelViewY = 0;
        if (mPixelViewX > viewXmax)
            mPixelViewX = viewXmax;
        if (mPixelViewY > viewYmax)
            mPixelViewY = viewYmax;
    }

    // Draw tiles and sprites
    if (mMap)
    {
        mMap->draw(graphics, (int) mPixelViewX, (int) mPixelViewY);

        if (mShowDebugPath)
        {
            mMap->drawCollision(graphics,
                                (int) mPixelViewX,
                                (int) mPixelViewY,
                                mShowDebugPath);
            if (mShowDebugPath == Map::MAP_DEBUG)
                _drawDebugPath(graphics);
        }
    }

    if (player_node->getCheckNameSetting())
    {
        player_node->setCheckNameSetting(false);
        player_node->setName(player_node->getName());
    }

    // Draw text
    if (textManager)
    {
        textManager->draw(graphics, (int) mPixelViewX, (int) mPixelViewY);
    }

    // Draw player names, speech, and emotion sprite as needed
    const Beings &beings = beingManager->getAll();
    for (Beings::const_iterator i = beings.begin(), i_end = beings.end();
         i != i_end; ++i)
    {
        (*i)->drawSpeech((int) mPixelViewX, (int) mPixelViewY);
        (*i)->drawEmotion(graphics, (int) mPixelViewX, (int) mPixelViewY);
    }

    if (miniStatusWindow)
        miniStatusWindow->drawIcons(graphics);

    // Draw contained widgets
    WindowContainer::draw(gcnGraphics);
}

void Viewport::logic()
{
    WindowContainer::logic();

    // Make the player follow the mouse position
    // if the mouse is dragged elsewhere than in a window.
    _followMouse();
}

void Viewport::_followMouse()
{
    Uint8 button = SDL_GetMouseState(&mMouseX, &mMouseY);
    // If the left button is dragged
    if (mPlayerFollowMouse && button & SDL_BUTTON(1))
    {
        // We create a mouse event and send it to mouseDragged.
        Uint8 *keys = SDL_GetKeyState(NULL);
        gcn::MouseEvent mouseEvent(NULL,
                      (keys[SDLK_LSHIFT] || keys[SDLK_RSHIFT]),
                      false,
                      false,
                      false,
                      gcn::MouseEvent::DRAGGED,
                      gcn::MouseEvent::LEFT,
                      mMouseX,
                      mMouseY,
                      0);

        mouseDragged(mouseEvent);
    }
}

void Viewport::_drawDebugPath(Graphics *graphics)
{
    // Get the current mouse position
    SDL_GetMouseState(&mMouseX, &mMouseY);

    const int mouseTileX = (mMouseX + (int) mPixelViewX) / 32;
    const int mouseTileY = (mMouseY + (int) mPixelViewY) / 32;
    const Vector &playerPos = player_node->getPosition();

    Path debugPath = mMap->findPath(
            (int) (playerPos.x - 16) / 32,
            (int) (playerPos.y - 32) / 32,
            mouseTileX, mouseTileY, 0xFF);

    _drawPath(graphics, debugPath);
}

void Viewport::_drawPath(Graphics *graphics, const Path &path)
{
    graphics->setColor(gcn::Color(255, 0, 0));
    for (Path::const_iterator i = path.begin(); i != path.end(); ++i)
    {
        int squareX = i->x * 32 - (int) mPixelViewX + 12;
        int squareY = i->y * 32 - (int) mPixelViewY + 12;

        graphics->fillRectangle(gcn::Rectangle(squareX, squareY, 8, 8));
        graphics->drawText(
                toString(mMap->getMetaTile(i->x, i->y)->Gcost),
                squareX + 4, squareY + 12, gcn::Graphics::CENTER);
    }
}

void Viewport::mousePressed(gcn::MouseEvent &event)
{
    if (event.getSource() != this)
        return;

    // Check if we are alive and kickin'
    if (!mMap || !player_node || !player_node->isAlive())
        return;

    // Check if we are busy
    if (NPC::isTalking())
        return;

    mPlayerFollowMouse = false;

    const int pixelX = event.getX() + (int) mPixelViewX;
    const int pixelY = event.getY() + (int) mPixelViewY;

    // Right click might open a popup
    if (event.getButton() == gcn::MouseEvent::RIGHT)
    {
        if (mHoverBeing && mHoverBeing != player_node)
        {
            mPopupMenu->showPopup(event.getX(), event.getY(), mHoverBeing);
            return;
        }
        else if (mHoverItem)
        {
            mPopupMenu->showPopup(event.getX(), event.getY(), mHoverItem);
            return;
        }
    }

    // If a popup is active, just remove it
    if (mPopupMenu->isVisible())
    {
        mPopupMenu->setVisible(false);
        return;
    }

    // Left click can cause different actions
    if (event.getButton() == gcn::MouseEvent::LEFT)
    {
        // Interact with some being
        if (mHoverBeing)
        {
            switch (mHoverBeing->getType())
            {
                // Talk to NPCs
                case Being::NPC:
                    static_cast<NPC*>(mHoverBeing)->talk();
                    break;

                // Attack or walk to monsters or players
                case Being::MONSTER:
                case Being::PLAYER:
                    // Ignore it if its dead
                    if (!mHoverBeing->isAlive())
                        break;

                    if (player_node->withinAttackRange(mHoverBeing) ||
                        keyboard.isKeyActive(keyboard.KEY_ATTACK))
                    {
                        player_node->attack(mHoverBeing,
                            !keyboard.isKeyActive(keyboard.KEY_TARGET));
                    }
                    else
                    {
                        player_node->setGotoTarget(mHoverBeing);
                    }
                    break;
                default:
                    break;
             }
        // Picks up a item if we clicked on one
        }
        else if (mHoverItem)
        {
            player_node->pickUp(mHoverItem);
        }
        else if (player_node->getCurrentAction() == Being::SIT)
        {
            return;
        }
        // Just walk around
        else
        {
            player_node->stopAttack();
            player_node->cancelFollow();
            mPlayerFollowMouse = true;

            // Make the player go to the mouse position
            _followMouse();
        }
    }
    else if (event.getButton() == gcn::MouseEvent::MIDDLE)
    {
        // Find the being nearest to the clicked position
        Being *target = beingManager->findNearestLivingBeing(
                pixelX, pixelY, 20, Being::MONSTER);

        if (target)
             player_node->setTarget(target);
    }
}

void Viewport::mouseDragged(gcn::MouseEvent &event)
{
    if (!mMap || !player_node)
        return;

    if (mPlayerFollowMouse && !event.isShiftPressed())
    {
        if (Net::getNetworkType() == ServerInfo::MANASERV)
        {
          if (get_elapsed_time(mLocalWalkTime) >= walkingMouseDelay)
          {
              mLocalWalkTime = tick_time;
              player_node->setDestination(event.getX() + (int) mPixelViewX,
                                          event.getY() + (int) mPixelViewY);
              player_node->pathSetByMouse();
          }
        }
        else
        {
          if (mLocalWalkTime != player_node->getWalkTime())
          {
              mLocalWalkTime = player_node->getWalkTime();
              int destX = (event.getX() + mPixelViewX + 16) /
                          mMap->getTileWidth();
              int destY = (event.getY() + mPixelViewY + 16) /
                          mMap->getTileHeight();
              player_node->setDestination(destX, destY);
          }
        }
    }
}

void Viewport::mouseReleased(gcn::MouseEvent &event)
{
    mPlayerFollowMouse = false;

    // Only useful for eAthena but doesn't hurt under ManaServ
    mLocalWalkTime = -1;
}

void Viewport::showPopup(Window *parent, int x, int y, Item *item,
                         bool isInventory)
{
    mPopupMenu->showPopup(parent, x, y, item, isInventory);
}

void Viewport::closePopupMenu()
{
    mPopupMenu->handleLink("cancel");
}

void Viewport::optionChanged(const std::string &name)
{
    mScrollLaziness = (int) config.getValue("ScrollLaziness", 32);
    mScrollRadius = (int) config.getValue("ScrollRadius", 32);
}

void Viewport::mouseMoved(gcn::MouseEvent &event)
{
    // Check if we are on the map
    if (!mMap || !player_node)
        return;

    const int x = (event.getX() + (int) mPixelViewX);
    const int y = (event.getY() + (int) mPixelViewY);

    mHoverBeing = beingManager->findBeingByPixel(x, y);
    if (Player *p = dynamic_cast<Player*>(mHoverBeing))
        mBeingPopup->show(getMouseX(), getMouseY(), p);
    else
        mBeingPopup->setVisible(false);

    mHoverItem = floorItemManager->findByCoordinates(x / mMap->getTileWidth(),
                                                    y / mMap->getTileHeight());

    if (mHoverBeing)
    {
        switch (mHoverBeing->getType())
        {
            // NPCs
            case Being::NPC:
                gui->setCursorType(Gui::CURSOR_TALK);
                break;

            // Monsters
            case Being::MONSTER:
                gui->setCursorType(Gui::CURSOR_FIGHT);
                break;
            default:
                gui->setCursorType(Gui::CURSOR_POINTER);
                break;
         }
    // Item mouseover
    }
    else if (mHoverItem)
    {
        gui->setCursorType(Gui::CURSOR_PICKUP);
    }
    else
    {
        gui->setCursorType(Gui::CURSOR_POINTER);
    }
}

void Viewport::toggleDebugPath()
{
    mShowDebugPath++;
    if (mShowDebugPath > Map::MAP_SPECIAL)
        mShowDebugPath = Map::MAP_NORMAL;
    if (mMap)
    {
        mMap->setDebugFlags(mShowDebugPath);
    }
}

void Viewport::hideBeingPopup()
{
    mBeingPopup->setVisible(false);
}