path: root/src/game.cpp

/*
 *  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
 */

#include "game.h"

#include <fstream>
#include <physfs.h>
#include <sstream>
#include <string>

#include <guichan/exception.hpp>
#include <guichan/sdl/sdlinput.hpp>

#include "beingmanager.h"
#include "configuration.h"
#include "effectmanager.h"
#include "engine.h"
#include "flooritemmanager.h"
#include "graphics.h"
#include "itemshortcut.h"
#include "joystick.h"
#include "keyboardconfig.h"
#include "localplayer.h"
#include "log.h"
#include "npc.h"
#include "particle.h"
#include "player_relations.h"

#include "gui/buy.h"
#include "gui/buysell.h"
//#include "gui/chargedialog.h"
#include "gui/chat.h"
#include "gui/confirm_dialog.h"
#include "gui/debugwindow.h"
#include "gui/equipmentwindow.h"
#include "gui/gui.h"
#include "gui/help.h"
#include "gui/inventorywindow.h"
#include "gui/itemshortcutwindow.h"
#include "gui/menuwindow.h"
#include "gui/minimap.h"
#include "gui/ministatus.h"
#include "gui/npclistdialog.h"
#include "gui/npc_text.h"
#include "gui/ok_dialog.h"
#include "gui/sell.h"
#include "gui/setup.h"
#include "gui/skill.h"
#include "gui/status.h"
#include "gui/trade.h"
#include "gui/viewport.h"

#include "net/protocol.h"
#include "net/beinghandler.h"
#include "net/buysellhandler.h"
#include "net/chathandler.h"
#include "net/equipmenthandler.h"
#include "net/inventoryhandler.h"
#include "net/itemhandler.h"
#include "net/messageout.h"
#include "net/network.h"
#include "net/npchandler.h"
#include "net/playerhandler.h"
#include "net/protocol.h"
#include "net/skillhandler.h"
#include "net/tradehandler.h"
#include "net/messageout.h"

#include "resources/imagewriter.h"

extern Graphics *graphics;
extern gcn::SDLInput *guiInput;

class Map;

std::string map_path;

bool done = false;
volatile int tick_time;
volatile int fps = 0, frame = 0;

Engine *engine = NULL;
Joystick *joystick = NULL;

extern Window *weightNotice;
extern Window *deathNotice;
ConfirmDialog *exitConfirm = NULL;
OkDialog *disconnectedDialog = NULL;

ChatWindow *chatWindow;
MenuWindow *menuWindow;
StatusWindow *statusWindow;
MiniStatusWindow *miniStatusWindow;
BuyDialog *buyDialog;
SellDialog *sellDialog;
BuySellDialog *buySellDialog;
InventoryWindow *inventoryWindow;
NpcListDialog *npcListDialog;
NpcTextDialog *npcTextDialog;
SkillDialog *skillDialog;
Setup* setupWindow;
Minimap *minimap;
EquipmentWindow *equipmentWindow;
//ChargeDialog *chargeDialog;
TradeWindow *tradeWindow;
//BuddyWindow *buddyWindow;
HelpWindow *helpWindow;
DebugWindow *debugWindow;
ItemShortcutWindow *itemShortcutWindow;

BeingManager *beingManager = NULL;
FloorItemManager *floorItemManager = NULL;
Particle* particleEngine = NULL;
EffectManager *effectManager = NULL;

const int MAX_TIME = 10000;

/**
 * Listener used for exiting handling.
 */
namespace {
    struct ExitListener : public gcn::ActionListener
    {
        void action(const gcn::ActionEvent &event)
        {
            if (event.getId() == "yes" || event.getId() == "ok") {
                done = true;
            }
            exitConfirm = NULL;
            disconnectedDialog = NULL;
        }
    } exitListener;
}

/**
 * Advances game logic counter.
 */
Uint32 nextTick(Uint32 interval, void *param)
{
    tick_time++;
    if (tick_time == MAX_TIME) tick_time = 0;
    return interval;
}

/**
 * Updates fps.
 */
Uint32 nextSecond(Uint32 interval, void *param)
{
    fps = frame;
    frame = 0;

    return interval;
}

int get_elapsed_time(int start_time)
{
    if (start_time <= tick_time) 
    {
        return (tick_time - start_time) * 10;
    }
    else 
    {
        return (tick_time + (MAX_TIME - start_time)) * 10;
    }
}

/**
 * Create all the various globally accessible gui windows
 */
void createGuiWindows(Network *network)
{
    // Create dialogs
    chatWindow = new ChatWindow(network);
    menuWindow = new MenuWindow();
    statusWindow = new StatusWindow(player_node);
    miniStatusWindow = new MiniStatusWindow();
    buyDialog = new BuyDialog(network);
    sellDialog = new SellDialog(network);
    buySellDialog = new BuySellDialog();
    inventoryWindow = new InventoryWindow();
    npcTextDialog = new NpcTextDialog();
    npcListDialog = new NpcListDialog();
    skillDialog = new SkillDialog();
    setupWindow = new Setup();
    minimap = new Minimap();
    equipmentWindow = new EquipmentWindow(player_node->mEquipment.get());
    //chargeDialog = new ChargeDialog();
    tradeWindow = new TradeWindow(network);
    //buddyWindow = new BuddyWindow();
    helpWindow = new HelpWindow();
    debugWindow = new DebugWindow();
    itemShortcutWindow = new ItemShortcutWindow();

    // Initialize window positions
    //chargeDialog->setPosition(
    //        graphics->getWidth() - 5 - chargeDialog->getWidth(),
    //        graphics->getHeight() - chargeDialog->getHeight() - 15);

    //buddyWindow->setPosition(10, minimap->getHeight() + 30);

    // Set initial window visibility
    chatWindow->setVisible((bool) config.getValue(
        chatWindow->getWindowName() + "Visible", true));
    miniStatusWindow->setVisible((bool) config.getValue(
        miniStatusWindow->getWindowName() + "Visible", true));
    buyDialog->setVisible(false);
    sellDialog->setVisible(false);
    tradeWindow->setVisible(false);
    menuWindow->setVisible((bool) config.getValue(
        menuWindow->getWindowName() + "Visible", true));
    itemShortcutWindow->setVisible((bool) config.getValue(
        itemShortcutWindow->getWindowName() + "Visible", true));

    if (config.getValue("logToChat", 0))
    {
        logger->setChatWindow(chatWindow);
    }
}

/**
 * Destroy all the globally accessible gui windows
 */
void destroyGuiWindows()
{
    delete chatWindow;
    delete statusWindow;
    delete miniStatusWindow;
    delete menuWindow;
    delete buyDialog;
    delete sellDialog;
    delete buySellDialog;
    delete inventoryWindow;
    delete npcListDialog;
    delete npcTextDialog;
    delete skillDialog;
    delete setupWindow;
    delete minimap;
    delete equipmentWindow;
    //delete chargeDialog;
    delete tradeWindow;
    //delete buddyWindow;
    delete helpWindow;
    delete debugWindow;
    delete itemShortcutWindow;
}

Game::Game(Network *network):
    mNetwork(network),
    mBeingHandler(new BeingHandler(config.getValue("EnableSync", 0) == 1)),
    mBuySellHandler(new BuySellHandler()),
    mChatHandler(new ChatHandler()),
    mEquipmentHandler(new EquipmentHandler()),
    mInventoryHandler(new InventoryHandler()),
    mItemHandler(new ItemHandler()),
    mNpcHandler(new NPCHandler()),
    mPlayerHandler(new PlayerHandler()),
    mSkillHandler(new SkillHandler()),
    mTradeHandler(new TradeHandler())
{
    createGuiWindows(network);
    engine = new Engine(network);

    beingManager = new BeingManager(network);
    floorItemManager = new FloorItemManager();
    effectManager = new EffectManager();

    particleEngine = new Particle(NULL);
    particleEngine->setupEngine();

    // Initialize timers
    tick_time = 0;
    SDL_AddTimer(10, nextTick, NULL);                     // Logic counter
    SDL_AddTimer(1000, nextSecond, NULL);                 // Seconds counter

    // Initialize frame limiting
    config.addListener("fpslimit", this);
    optionChanged("fpslimit");

    // Initialize beings
    beingManager->setPlayer(player_node);
    player_node->setNetwork(network);

    Joystick::init();
    // TODO: The user should be able to choose which one to use
    // Open the first device
    if (Joystick::getNumberOfJoysticks() > 0)
        joystick = new Joystick(0);

    network->registerHandler(mBeingHandler.get());
    network->registerHandler(mBuySellHandler.get());
    network->registerHandler(mChatHandler.get());
    network->registerHandler(mEquipmentHandler.get());
    network->registerHandler(mInventoryHandler.get());
    network->registerHandler(mItemHandler.get());
    network->registerHandler(mNpcHandler.get());
    network->registerHandler(mPlayerHandler.get());
    network->registerHandler(mSkillHandler.get());
    network->registerHandler(mTradeHandler.get());

    /*
     * To prevent the server from sending data before the client
     * has initialized, I've modified it to wait for a "ping"
     * from the client to complete its initialization
     *
     * Note: This only affects the latest eAthena version.  This
     * packet is handled by the older version, but its response
     * is ignored by the client
     */
    MessageOut msg(mNetwork);
    msg.writeInt16(CMSG_CLIENT_PING);
    msg.writeInt32(tick_time);

    engine->changeMap(map_path);
}

Game::~Game()
{
    delete player_node;
    destroyGuiWindows();

    delete beingManager;
    delete floorItemManager;
    delete joystick;
    delete particleEngine;
    delete engine;

    beingManager = NULL;
    floorItemManager = NULL;
    joystick = NULL;
}

bool saveScreenshot(SDL_Surface *screenshot)
{
    static unsigned int screenshotCount = 0;

    // Search for an unused screenshot name
    std::stringstream filename;
    std::fstream testExists;
    bool found = false;

    do {
    screenshotCount++;
    filename.str("");
#if (defined __USE_UNIX98 || defined __FreeBSD__)
    filename << PHYSFS_getUserDir() << ".aethyra/";
#elif defined __APPLE__
    filename << PHYSFS_getUserDir() << "Desktop/";
#endif
    filename << "Ae_Screenshot_" << screenshotCount << ".png";
    testExists.open(filename.str().c_str(), std::ios::in);
    found = !testExists.is_open();
    testExists.close();
    } while (!found);

    if (ImageWriter::writePNG(screenshot, filename.str()))
    {
        std::stringstream chatlogentry;
        chatlogentry << "Screenshot saved to " << filename.str().c_str();
        chatWindow->chatLog(chatlogentry.str(), BY_SERVER);
        return true;
    }
    else
    {
        chatWindow->chatLog("Saving screenshot failed!", BY_SERVER);
        return false;
    }
}

void Game::optionChanged(const std::string &name)
{
    int fpsLimit = (int) config.getValue("fpslimit", 0);

    // Calculate new minimum frame time
    mMinFrameTime = fpsLimit ? 1000 / fpsLimit : 0;

    // Reset draw time to current time
    mDrawTime = tick_time * 10;
}

void Game::logic()
{
    // mDrawTime has a higher granularity than gameTime in order to be able to
    // work with minimum frame durations in milliseconds.
    int gameTime = tick_time;
    mDrawTime = tick_time * 10;

    while (!done)
    {
    // Handle all necessary game logic
    while (get_elapsed_time(gameTime) > 0)
    {
        handleInput();
        engine->logic();
        gameTime++;
    }

    // This is done because at some point tick_time will wrap.
    gameTime = tick_time;

    // Update the screen when application is active, delay otherwise.
    if (SDL_GetAppState() & SDL_APPACTIVE)
    {
        // Draw a frame if either frames are not limited or enough time has
        // passed since the last frame.
        if (!mMinFrameTime ||
            get_elapsed_time(mDrawTime / 10) > mMinFrameTime)
        {
            frame++;
            gui->draw();
            graphics->updateScreen();
            mDrawTime += mMinFrameTime;

            // Make sure to wrap mDrawTime, since tick_time will wrap.
            if (mDrawTime > MAX_TIME * 10)
                mDrawTime -= MAX_TIME * 10;
        }
        else
        {
            SDL_Delay(10);
        }
    }
    else
    {
        SDL_Delay(10);
        mDrawTime = tick_time * 10;
    }

    // Handle network stuff
    mNetwork->flush();
    mNetwork->dispatchMessages();

    if (!mNetwork->isConnected())
    {
        if (!disconnectedDialog)
        {
            disconnectedDialog = new
                OkDialog("Network Error",
                         "The connection to the server was lost, the program will now quit");
            disconnectedDialog->addActionListener(&exitListener);
            disconnectedDialog->requestMoveToTop();
        }
    }
    }
}

void Game::handleInput()
{
    if (joystick != NULL)
    {
        joystick->update();
    }

    // Events
    SDL_Event event;
    while (SDL_PollEvent(&event))
    {
        bool used = false;

        // Keyboard events (for discontinuous keys)
        if (event.type == SDL_KEYDOWN)
        {
            gcn::Window *requestedWindow = NULL;

            if (setupWindow->isVisible() && 
                keyboard.getNewKeyIndex() > keyboard.KEY_NO_VALUE)
            {
                keyboard.setNewKey((int) event.key.keysym.sym);
                keyboard.callbackNewKey();
                keyboard.setNewKeyIndex(keyboard.KEY_NO_VALUE);
                return;
            }
            // Keys pressed together with Alt/Meta
            // Emotions and some internal gui windows
            #ifndef __APPLE__
            if (event.key.keysym.mod & KMOD_LALT)
            #else
            if (event.key.keysym.mod & KMOD_LMETA)
            #endif
            {
                switch (event.key.keysym.sym)
                {
                    case SDLK_p:
                        // Screenshot (picture, hence the p)
                        {
                            SDL_Surface *screenshot = graphics->getScreenshot();
                            if (!saveScreenshot(screenshot))
                            {
                                logger->log("Error: could not save Screenshot.");
                            }
                            SDL_FreeSurface(screenshot);
                        }
                        used = true;
                        break;

                    default:
                        break;

                    case SDLK_f:
                        // Find path to mouse (debug purpose)
                        viewport->toggleDebugPath();
                        used = true;
                        break;

                    case SDLK_t:
                        // Toggle accepting of incoming trade requests
                        {
                            unsigned int deflt = player_relations.getDefault();
                            if (deflt & PlayerRelation::TRADE) {
                                chatWindow->chatLog("Ignoring incoming trade requests", BY_SERVER);
                                deflt &= ~PlayerRelation::TRADE;
                            } else {
                                chatWindow->chatLog("Accepting incoming trade requests", BY_SERVER);
                                deflt |= PlayerRelation::TRADE;
                            }

                            player_relations.setDefault(deflt);
                        }
                        used = true;
                        break;
            }
        }

        // Smilie
        if (keyboard.isKeyActive(keyboard.KEY_SMILIE))
        {
            // Emotions
            Uint8 emotion;
            switch (event.key.keysym.sym)
            {
                case SDLK_1: emotion = 1; break;
                case SDLK_2: emotion = 2; break;
                case SDLK_3: emotion = 3; break;
                case SDLK_4: emotion = 4; break;
                case SDLK_5: emotion = 5; break;
                case SDLK_6: emotion = 6; break;
                case SDLK_7: emotion = 7; break;
                case SDLK_8: emotion = 8; break;
                case SDLK_9: emotion = 9; break;
                case SDLK_0: emotion = 10; break;
                case SDLK_MINUS: emotion = 11; break;
                case SDLK_EQUALS: emotion = 12; break;
                default: emotion = 0; break;
            }

            if (emotion)
            {
                player_node->emote(emotion);
                used = true;
            }
        }
        switch (event.key.keysym.sym)
        {
            case SDLK_PAGEUP:
                if (chatWindow->isVisible())
                {
                    chatWindow->scroll(-DEFAULT_CHAT_WINDOW_SCROLL);
                    used = true;
                }
                break;

            case SDLK_PAGEDOWN:
                if (chatWindow->isVisible())
                {
                    chatWindow->scroll(DEFAULT_CHAT_WINDOW_SCROLL);
                    used = true;
                    return;
                }
                break;

            case SDLK_F1:
                // In-game Help
                if (helpWindow->isVisible())
                {
                    helpWindow->setVisible(false);
                }
                else
                {
                    helpWindow->loadHelp("index");
                    helpWindow->requestMoveToTop();
                }
                used = true;
                break;

            case SDLK_F2: requestedWindow = statusWindow; break;
            case SDLK_F3: requestedWindow = inventoryWindow; break;
            case SDLK_F4: requestedWindow = equipmentWindow; break;
            case SDLK_F5: requestedWindow = skillDialog; break;
            case SDLK_F6: requestedWindow = minimap; break;
            case SDLK_F7: requestedWindow = chatWindow; break;
            case SDLK_F8: requestedWindow = itemShortcutWindow; break;
            case SDLK_F9: requestedWindow = setupWindow; break;
            case SDLK_F10: requestedWindow = debugWindow; break;

            case SDLK_RETURN:
                // Input chat window
                if (chatWindow->isInputFocused() ||
                    deathNotice != NULL ||
                    weightNotice != NULL)
                {
                    break;
                }

                // Quit by pressing Enter if the exit confirm is there
                if (exitConfirm)
                {
                    done = true;
                }
                // Close the Browser if opened
                else if (helpWindow->isVisible())
                {
                    helpWindow->setVisible(false);
                }
                // Close the config window, cancelling changes if opened
                else if (setupWindow->isVisible())
                {
                    setupWindow->action(gcn::ActionEvent(NULL, "cancel"));
                }
                // Proceed to the next dialog option, or close the window
                else if (npcTextDialog->isVisible())
                {
                    npcTextDialog->action(gcn::ActionEvent(NULL, "ok"));
                }
                // Choose the currently highlighted dialogue option
                else if (npcListDialog->isVisible())
                {
                    npcListDialog->action(gcn::ActionEvent(NULL, "ok"));
                }
                // Else, open the chat edit box
                else
                {
                    chatWindow->requestChatFocus();
                    used = true;
                }
                break;
                // Quitting confirmation dialog
            case SDLK_ESCAPE:
                if (!exitConfirm) {
                    exitConfirm = new ConfirmDialog(
                        "Quit", "Are you sure you want to quit?");
                    exitConfirm->addActionListener(&exitListener);
                    exitConfirm->requestMoveToTop();
                }
                else
                {
                    exitConfirm->action(gcn::ActionEvent(NULL, "no"));
                }
                break;

            default:
                break;
        }
        if (keyboard.isEnabled() && !chatWindow->isInputFocused())
        {
            const int tKey = keyboard.getKeyIndex(event.key.keysym.sym);

            // Do not activate shortcuts if tradewindow is visible
            if (!tradeWindow->isVisible())
            {
                // Checks if any item shortcut is pressed.
                for (int i = KeyboardConfig::KEY_SHORTCUT_0;
                    i <= KeyboardConfig::KEY_SHORTCUT_9;
                    i++)
                {
                    if (tKey == i && !used) {
                        itemShortcut->useItem(i - KeyboardConfig::KEY_SHORTCUT_0);
                        break;
                    }
                }
            }
            switch (tKey) {
                case KeyboardConfig::KEY_PICKUP:
                {
                    FloorItem *item = floorItemManager->findByCoordinates(
                                      player_node->mX, player_node->mY);

                    // If none below the player, try the tile in front
                    // of the player
                    if (!item) {
                        Uint16 x = player_node->mX;
                        Uint16 y = player_node->mY;
                        switch (player_node->getSpriteDirection())
                        {
                            case DIRECTION_UP   : --y; break;
                            case DIRECTION_DOWN : ++y; break;
                            case DIRECTION_LEFT : --x; break;
                            case DIRECTION_RIGHT: ++x; break;
                            default: break;
                        }
                        item = floorItemManager->findByCoordinates(x, y);
                    }

                    if (item)
                        player_node->pickUp(item);

                    used = true;
                }
                break;
                case KeyboardConfig::KEY_SIT:
                   // Player sit action
                    player_node->toggleSit();
                    used = true;
                    break;
                case KeyboardConfig::KEY_HIDE_WINDOWS:
                    // Hide certain windows
                    if (!chatWindow->isInputFocused())
                    {
                        statusWindow->setVisible(false);
                        inventoryWindow->setVisible(false);
                        skillDialog->setVisible(false);
                        setupWindow->setVisible(false);
                        equipmentWindow->setVisible(false);
                        helpWindow->setVisible(false);
                        debugWindow->setVisible(false);
                    }
                    break;
                }
            }

            if (requestedWindow)
            {
                requestedWindow->setVisible(!requestedWindow->isVisible());
                if (requestedWindow->isVisible())
                {
                    requestedWindow->requestMoveToTop();
                }
                used = true;
            }

        }

        // Quit event
        else if (event.type == SDL_QUIT)
        {
            done = true;
        }

        // Push input to GUI when not used
        if (!used)
        {
            try
            {
                guiInput->pushInput(event);
            }
            catch (gcn::Exception e)
            {
                const char* err = e.getMessage().c_str();
                logger->log("Warning: guichan input exception: %s", err);
            }
        }
    } // End while
    // If the user is configuring the keys then don't respond.
    if (!keyboard.isEnabled())
    {
       return;
    }
    // Moving player around
    if (player_node->mAction != Being::DEAD &&
        current_npc == 0 &&
        !chatWindow->isInputFocused())
    {
        // Get the state of the keyboard keys
        keyboard.refreshActiveKeys();

        const Uint16 x = player_node->mX;
        const Uint16 y = player_node->mY;
        unsigned char direction = 0;

        // Translate pressed keys to movement and direction
        if (keyboard.isKeyActive(keyboard.KEY_MOVE_UP) ||
            (joystick && joystick->isUp()))
        {
            direction |= Being::UP;
        }
        else if (keyboard.isKeyActive(keyboard.KEY_MOVE_DOWN) ||
             (joystick && joystick->isDown()))
        {
            direction |= Being::DOWN;
        }

        if (keyboard.isKeyActive(keyboard.KEY_MOVE_LEFT) ||
            (joystick && joystick->isLeft()))
        {
            direction |= Being::LEFT;
        }
        else if (keyboard.isKeyActive(keyboard.KEY_MOVE_RIGHT) ||
                 (joystick && joystick->isRight()))
        {
            direction |= Being::RIGHT;
        }

        player_node->setWalkingDir(direction);

        // Attacking monsters
        if (keyboard.isKeyActive(keyboard.KEY_ATTACK) ||
            (joystick && joystick->buttonPressed(0)))
        {
            Being *target = beingManager->findNearestLivingBeing(x, y, 20, Being::MONSTER);

            bool newTarget = !keyboard.isKeyActive(keyboard.KEY_TARGET);
            // A set target has highest priority
            if (newTarget || !player_node->getTarget())
            {
                Uint16 targetX = x, targetY = y;

                switch (player_node->getSpriteDirection())
                {
                    case DIRECTION_UP   : --targetY; break;
                    case DIRECTION_DOWN : ++targetY; break;
                    case DIRECTION_LEFT : --targetX; break;
                    case DIRECTION_RIGHT: ++targetX; break;
                    default: break;
                }

                // Attack priorioty is: Monster, Player, auto target
                target = beingManager->findBeing(targetX, targetY, Being::MONSTER);
                if (!target)
                    target = beingManager->findBeing(targetX, targetY, Being::PLAYER);
            }

            player_node->attack(target, newTarget);
        }

        // Target the nearest player if 'q' is pressed
        if ( keyboard.isKeyActive(keyboard.KEY_TARGET_PLAYER) && 
             !keyboard.isKeyActive(keyboard.KEY_TARGET) )
        {
            Being *target = beingManager->findNearestLivingBeing(player_node, 20, Being::PLAYER);

            player_node->setTarget(target);
        }

        // Target the nearest monster if 'a' pressed
        if ((keyboard.isKeyActive(keyboard.KEY_TARGET_CLOSEST) || 
            (joystick && joystick->buttonPressed(3))) && 
            !keyboard.isKeyActive(keyboard.KEY_TARGET))
        {
            Being *target = beingManager->findNearestLivingBeing(x, y, 20, Being::MONSTER);

            player_node->setTarget(target);
        }

        // Target the nearest npc if 'n' pressed
        if ( keyboard.isKeyActive(keyboard.KEY_TARGET_NPC) && 
             !keyboard.isKeyActive(keyboard.KEY_TARGET) )
        {
            Being *target = beingManager->findNearestLivingBeing(x, y, 20, Being::NPC);

            player_node->setTarget(target);
        }

        // Talk to the nearest NPC if 't' pressed
        if ( keyboard.isKeyActive(keyboard.KEY_TALK) )
        {
            if (!npcTextDialog->isVisible() && !npcListDialog->isVisible())
            {
                Being *target = player_node->getTarget();

                if (!target)
                {
                    target = beingManager->findNearestLivingBeing(x, y, 20, Being::NPC);
                }

                if (target)
                {
                    if (target->getType() == Being::NPC)
                        dynamic_cast<NPC*>(target)->talk();
                }
            }
        }

        // Stop attacking if shift is pressed
        if (keyboard.isKeyActive(keyboard.KEY_TARGET))
        {
            player_node->stopAttack();
        }

        if (joystick)
        {
            if (joystick->buttonPressed(1))
            {
                FloorItem *item = floorItemManager->findByCoordinates(x, y);

                if (item)
                    player_node->pickUp(item);
            }
            else if (joystick->buttonPressed(2))
            {
                player_node->toggleSit();
            }
        }
    }
}