Move manaplus game related files into progs/manaplus.

2 files changed, 1397 insertions, 0 deletions

diff --git a/src/progs/manaplus/gui/viewport.cpp b/src/progs/manaplus/gui/viewport.cpp
new file mode 100644
index 000000000..de7571c7c
--- /dev/null
+++ b/src/progs/manaplus/gui/viewport.cpp
@@ -0,0 +1,1148 @@
+/*
+ *  The ManaPlus Client
+ *  Copyright (C) 2004-2009  The Mana World Development Team
+ *  Copyright (C) 2009-2010  The Mana Developers
+ *  Copyright (C) 2011-2017  The ManaPlus Developers
+ *
+ *  This file is part of The ManaPlus 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 "progs/manaplus/gui/viewport.h"
+
+#include "actormanager.h"
+#include "configuration.h"
+#include "game.h"
+#include "settings.h"
+#include "sdlshared.h"
+#include "textmanager.h"
+
+#include "being/flooritem.h"
+#include "being/localplayer.h"
+#include "being/playerinfo.h"
+
+#include "enums/resources/map/blockmask.h"
+#include "enums/resources/map/mapitemtype.h"
+
+#include "gui/gui.h"
+#include "gui/popupmanager.h"
+#include "gui/userpalette.h"
+
+#include "gui/fonts/font.h"
+
+#include "gui/popups/beingpopup.h"
+#include "gui/popups/popupmenu.h"
+#include "gui/popups/textpopup.h"
+
+#include "gui/windows/ministatuswindow.h"
+
+#include "input/inputmanager.h"
+
+#include "utils/checkutils.h"
+#include "utils/foreach.h"
+
+#include "resources/map/map.h"
+#include "resources/map/mapitem.h"
+#include "resources/map/speciallayer.h"
+
+#include "debug.h"
+
+Viewport *viewport = nullptr;
+
+extern volatile int tick_time;
+
+Viewport::Viewport() :
+    WindowContainer(nullptr),
+    MouseListener(),
+    ConfigListener(),
+    mMouseX(0),
+    mMouseY(0),
+    mMap(nullptr),
+    mHoverBeing(nullptr),
+    mHoverItem(nullptr),
+    mHoverSign(nullptr),
+    mScrollRadius(config.getIntValue("ScrollRadius")),
+    mScrollLaziness(config.getIntValue("ScrollLaziness")),
+    mScrollCenterOffsetX(config.getIntValue("ScrollCenterOffsetX")),
+    mScrollCenterOffsetY(config.getIntValue("ScrollCenterOffsetY")),
+    mMousePressX(0),
+    mMousePressY(0),
+    mPixelViewX(0),
+    mPixelViewY(0),
+    mMidTileX(0),
+    mMidTileY(0),
+    mViewXmax(0),
+    mViewYmax(0),
+    mLocalWalkTime(-1),
+    mCameraRelativeX(0),
+    mCameraRelativeY(0),
+    mShowBeingPopup(config.getBoolValue("showBeingPopup")),
+    mSelfMouseHeal(config.getBoolValue("selfMouseHeal")),
+    mEnableLazyScrolling(config.getBoolValue("enableLazyScrolling")),
+    mMouseDirectionMove(config.getBoolValue("mouseDirectionMove")),
+    mLongMouseClick(config.getBoolValue("longmouseclick")),
+    mAllowMoveByMouse(config.getBoolValue("allowMoveByMouse")),
+    mMouseClicked(false),
+    mPlayerFollowMouse(false)
+{
+    setOpaque(Opaque_false);
+    addMouseListener(this);
+
+    config.addListener("ScrollLaziness", this);
+    config.addListener("ScrollRadius", this);
+    config.addListener("showBeingPopup", this);
+    config.addListener("selfMouseHeal", this);
+    config.addListener("enableLazyScrolling", this);
+    config.addListener("mouseDirectionMove", this);
+    config.addListener("longmouseclick", this);
+    config.addListener("allowMoveByMouse", this);
+
+    setFocusable(true);
+    updateMidVars();
+}
+
+Viewport::~Viewport()
+{
+    config.removeListeners(this);
+    CHECKLISTENERS
+}
+
+void Viewport::setMap(Map *const map)
+{
+    if ((mMap != nullptr) && (map != nullptr))
+        map->setDrawLayersFlags(mMap->getDrawLayersFlags());
+    mMap = map;
+    updateMaxVars();
+}
+
+void Viewport::draw(Graphics *const graphics)
+{
+    BLOCK_START("Viewport::draw 1")
+    static int lastTick = tick_time;
+
+    if ((mMap == nullptr) || (localPlayer == nullptr))
+    {
+        graphics->setColor(Color(64, 64, 64));
+        graphics->fillRectangle(
+                Rect(0, 0, getWidth(), getHeight()));
+        BLOCK_END("Viewport::draw 1")
+        return;
+    }
+
+    // Avoid freaking out when tick_time overflows
+    if (tick_time < lastTick)
+        lastTick = tick_time;
+
+    // Calculate viewpoint
+
+    const int player_x = localPlayer->mPixelX - mMidTileX;
+    const int player_y = localPlayer->mPixelY - mMidTileY;
+
+    if (mScrollLaziness < 1)
+        mScrollLaziness = 1;  // Avoids division by zero
+
+    if (mEnableLazyScrolling)
+    {
+        int cnt = 0;
+
+        // Apply lazy scrolling
+        while (lastTick < tick_time && cnt < mapTileSize)
+        {
+            if (player_x > mPixelViewX + mScrollRadius)
+            {
+                mPixelViewX += CAST_S32(
+                    static_cast<float>(player_x
+                    - mPixelViewX - mScrollRadius) /
+                    static_cast<float>(mScrollLaziness));
+            }
+            if (player_x < mPixelViewX - mScrollRadius)
+            {
+                mPixelViewX += CAST_S32(
+                    static_cast<float>(player_x
+                    - mPixelViewX + mScrollRadius) /
+                    static_cast<float>(mScrollLaziness));
+            }
+            if (player_y > mPixelViewY + mScrollRadius)
+            {
+                mPixelViewY += CAST_S32(
+                    static_cast<float>(player_y
+                    - mPixelViewY - mScrollRadius) /
+                    static_cast<float>(mScrollLaziness));
+            }
+            if (player_y < mPixelViewY - mScrollRadius)
+            {
+                mPixelViewY += CAST_S32(
+                    static_cast<float>(player_y
+                    - mPixelViewY + mScrollRadius) /
+                    static_cast<float>(mScrollLaziness));
+            }
+            lastTick ++;
+            cnt ++;
+        }
+
+        // Auto center when player is off screen
+        if (cnt > 30 || player_x - mPixelViewX
+            > graphics->mWidth / 2 || mPixelViewX
+            - player_x > graphics->mWidth / 2 || mPixelViewY
+            - player_y > graphics->getHeight() / 2 ||  player_y
+            - mPixelViewY > graphics->getHeight() / 2)
+        {
+            if (player_x <= 0 || player_y <= 0)
+            {
+                logger->log("incorrect player position: %d, %d, %d, %d",
+                    player_x, player_y, mPixelViewX, mPixelViewY);
+                logger->log("tile position: %d, %d",
+                    localPlayer->getTileX(), localPlayer->getTileY());
+            }
+            mPixelViewX = player_x;
+            mPixelViewY = player_y;
+        }
+    }
+    else
+    {
+        mPixelViewX = player_x;
+        mPixelViewY = player_y;
+    }
+
+    if (mPixelViewX < 0)
+        mPixelViewX = 0;
+    if (mPixelViewY < 0)
+        mPixelViewY = 0;
+    if (mPixelViewX > mViewXmax)
+        mPixelViewX = mViewXmax;
+    if (mPixelViewY > mViewYmax)
+        mPixelViewY = mViewYmax;
+
+    // Draw tiles and sprites
+    mMap->draw(graphics, mPixelViewX, mPixelViewY);
+
+    const MapTypeT drawType = settings.mapDrawType;
+    if (drawType != MapType::NORMAL)
+    {
+        if (drawType != MapType::SPECIAL4)
+        {
+            mMap->drawCollision(graphics, mPixelViewX,
+                mPixelViewY, drawType);
+        }
+        if (drawType == MapType::DEBUGTYPE)
+            drawDebugPath(graphics);
+    }
+
+    if (localPlayer->getCheckNameSetting())
+    {
+        localPlayer->setCheckNameSetting(false);
+        localPlayer->setName(localPlayer->getName());
+    }
+
+    // Draw text
+    if (textManager != nullptr)
+        textManager->draw(graphics, mPixelViewX, mPixelViewY);
+
+    // Draw player names, speech, and emotion sprite as needed
+    const ActorSprites &actors = actorManager->getAll();
+    FOR_EACH (ActorSpritesIterator, it, actors)
+    {
+        if ((*it)->getType() == ActorType::FloorItem)
+            continue;
+        Being *const b = static_cast<Being*>(*it);
+        b->drawEmotion(graphics, mPixelViewX, mPixelViewY);
+        b->drawSpeech(mPixelViewX, mPixelViewY);
+    }
+
+    if (miniStatusWindow != nullptr)
+        miniStatusWindow->drawIcons(graphics);
+
+    // Draw contained widgets
+    WindowContainer::draw(graphics);
+    BLOCK_END("Viewport::draw 1")
+}
+
+void Viewport::safeDraw(Graphics *const graphics)
+{
+    Viewport::draw(graphics);
+}
+
+void Viewport::logic()
+{
+    BLOCK_START("Viewport::logic")
+    // Make the player follow the mouse position
+    // if the mouse is dragged elsewhere than in a window.
+    Gui::getMouseState(mMouseX, mMouseY);
+    BLOCK_END("Viewport::logic")
+}
+
+void Viewport::followMouse()
+{
+    if (gui == nullptr)
+        return;
+    const MouseStateType button = Gui::getMouseState(mMouseX, mMouseY);
+    // If the left button is dragged
+    if (mPlayerFollowMouse && ((button & SDL_BUTTON(1)) != 0))
+    {
+        // We create a mouse event and send it to mouseDragged.
+        const MouseEvent event(nullptr,
+            MouseEventType::DRAGGED,
+            MouseButton::LEFT,
+            mMouseX,
+            mMouseY,
+            0);
+
+        walkByMouse(event);
+    }
+}
+
+void Viewport::drawDebugPath(Graphics *const graphics)
+{
+    if (localPlayer == nullptr ||
+        userPalette == nullptr ||
+        actorManager == nullptr ||
+        mMap == nullptr ||
+        gui == nullptr)
+    {
+        return;
+    }
+
+    Gui::getMouseState(mMouseX, mMouseY);
+
+    static Path debugPath;
+    static Vector lastMouseDestination = Vector(0.0F, 0.0F);
+    const int mousePosX = mMouseX + mPixelViewX;
+    const int mousePosY = mMouseY + mPixelViewY;
+    Vector mouseDestination(mousePosX, mousePosY);
+
+    if (mouseDestination.x != lastMouseDestination.x
+        || mouseDestination.y != lastMouseDestination.y)
+    {
+        debugPath = mMap->findPath(
+            CAST_S32(localPlayer->mPixelX - mapTileSize / 2) / mapTileSize,
+            CAST_S32(localPlayer->mPixelY - mapTileSize) / mapTileSize,
+            mousePosX / mapTileSize,
+            mousePosY / mapTileSize,
+            localPlayer->getBlockWalkMask(),
+            500);
+        lastMouseDestination = mouseDestination;
+    }
+    drawPath(graphics, debugPath, userPalette->getColorWithAlpha(
+        UserColorId::ROAD_POINT));
+
+    const ActorSprites &actors = actorManager->getAll();
+    FOR_EACH (ActorSpritesConstIterator, it, actors)
+    {
+        const Being *const being = dynamic_cast<const Being*>(*it);
+        if ((being != nullptr) && being != localPlayer)
+        {
+            const Path &beingPath = being->getPath();
+            drawPath(graphics, beingPath, userPalette->getColorWithAlpha(
+                UserColorId::ROAD_POINT));
+        }
+    }
+}
+
+void Viewport::drawPath(Graphics *const graphics,
+                        const Path &path,
+                        const Color &color) const
+{
+    graphics->setColor(color);
+    Font *const font = getFont();
+
+    int cnt = 1;
+    FOR_EACH (Path::const_iterator, i, path)
+    {
+        const int squareX = i->x * mapTileSize - mPixelViewX + 12;
+        const int squareY = i->y * mapTileSize - mPixelViewY + 12;
+
+        graphics->fillRectangle(Rect(squareX, squareY, 8, 8));
+        if (mMap != nullptr)
+        {
+            const std::string str = toString(cnt);
+            font->drawString(graphics,
+                color, color,
+                str,
+                squareX + 4 - font->getWidth(str) / 2,
+                squareY + 12);
+        }
+        cnt ++;
+    }
+}
+
+bool Viewport::openContextMenu(const MouseEvent &event)
+{
+    mPlayerFollowMouse = false;
+    const int eventX = event.getX();
+    const int eventY = event.getY();
+    if (popupMenu == nullptr)
+        return false;
+    if (mHoverBeing != nullptr)
+    {
+        validateSpeed();
+        if (actorManager != nullptr)
+        {
+            STD_VECTOR<ActorSprite*> beings;
+            const int x = mMouseX + mPixelViewX;
+            const int y = mMouseY + mPixelViewY;
+            actorManager->findBeingsByPixel(beings, x, y, AllPlayers_true);
+            if (beings.size() > 1)
+                popupMenu->showPopup(eventX, eventY, beings);
+            else
+                popupMenu->showPopup(eventX, eventY, mHoverBeing);
+            return true;
+        }
+    }
+    else if (mHoverItem != nullptr)
+    {
+        validateSpeed();
+        popupMenu->showPopup(eventX, eventY, mHoverItem);
+        return true;
+    }
+    else if (mHoverSign != nullptr)
+    {
+        validateSpeed();
+        popupMenu->showPopup(eventX, eventY, mHoverSign);
+        return true;
+    }
+    else if (settings.cameraMode != 0u)
+    {
+        if (mMap == nullptr)
+            return false;
+        popupMenu->showMapPopup(eventX, eventY,
+            (mMouseX + mPixelViewX) / mMap->getTileWidth(),
+            (mMouseY + mPixelViewY) / mMap->getTileHeight(),
+            false);
+        return true;
+    }
+    return false;
+}
+
+bool Viewport::leftMouseAction()
+{
+    const bool stopAttack = inputManager.isActionActive(
+        InputAction::STOP_ATTACK);
+    // Interact with some being
+    if (mHoverBeing != nullptr)
+    {
+        if (!mHoverBeing->isAlive())
+            return true;
+
+        if (mHoverBeing->canTalk())
+        {
+            validateSpeed();
+            mHoverBeing->talkTo();
+            return true;
+        }
+
+        const ActorTypeT type = mHoverBeing->getType();
+        switch (type)
+        {
+            case ActorType::Player:
+                validateSpeed();
+                if (actorManager != nullptr)
+                {
+#ifdef TMWA_SUPPORT
+                    if (localPlayer != mHoverBeing || mSelfMouseHeal)
+                        actorManager->heal(mHoverBeing);
+#endif  // TMWA_SUPPORT
+
+                    if (localPlayer == mHoverBeing &&
+                        mHoverItem != nullptr)
+                    {
+                        localPlayer->pickUp(mHoverItem);
+                    }
+                    return true;
+                }
+                break;
+            case ActorType::Monster:
+            case ActorType::Npc:
+            case ActorType::SkillUnit:
+                if (!stopAttack)
+                {
+                    if (localPlayer->withinAttackRange(mHoverBeing) ||
+                        inputManager.isActionActive(InputAction::ATTACK))
+                    {
+                        validateSpeed();
+                        if (!mStatsReUpdated && localPlayer != mHoverBeing)
+                        {
+                            localPlayer->attack(mHoverBeing,
+                                !inputManager.isActionActive(
+                                InputAction::STOP_ATTACK));
+                            return true;
+                        }
+                    }
+                    else if (!inputManager.isActionActive(
+                             InputAction::ATTACK))
+                    {
+                        validateSpeed();
+                        if (!mStatsReUpdated && localPlayer != mHoverBeing)
+                        {
+                            localPlayer->setGotoTarget(mHoverBeing);
+                            return true;
+                        }
+                    }
+                }
+                break;
+            case ActorType::FloorItem:
+            case ActorType::Portal:
+            case ActorType::Pet:
+            case ActorType::Mercenary:
+            case ActorType::Homunculus:
+            case ActorType::Elemental:
+                break;
+            case ActorType::Unknown:
+            case ActorType::Avatar:
+            default:
+                reportAlways("Left click on unknown actor type: %d",
+                    CAST_S32(type));
+                break;
+        }
+    }
+    // Picks up a item if we clicked on one
+    if (mHoverItem != nullptr)
+    {
+        validateSpeed();
+        localPlayer->pickUp(mHoverItem);
+    }
+    else if (stopAttack)
+    {
+        if (mMap != nullptr)
+        {
+            const int mouseTileX = (mMouseX + mPixelViewX)
+                / mMap->getTileWidth();
+            const int mouseTileY = (mMouseY + mPixelViewY)
+                / mMap->getTileHeight();
+            inputManager.executeChatCommand(InputAction::PET_MOVE,
+                strprintf("%d %d", mouseTileX, mouseTileY),
+                nullptr);
+        }
+        return true;
+    }
+    // Just walk around
+    else if (!inputManager.isActionActive(InputAction::ATTACK) &&
+             localPlayer->canMove())
+    {
+        validateSpeed();
+        localPlayer->stopAttack();
+        localPlayer->cancelFollow();
+        mPlayerFollowMouse = mAllowMoveByMouse;
+        if (mPlayerFollowMouse)
+        {
+            // Make the player go to the mouse position
+            followMouse();
+        }
+    }
+    return false;
+}
+
+void Viewport::mousePressed(MouseEvent &event)
+{
+    if (event.getSource() != this || event.isConsumed())
+        return;
+
+    // Check if we are alive and kickin'
+    if ((mMap == nullptr) || (localPlayer == nullptr))
+        return;
+
+    // Check if we are busy
+    // if commented, allow context menu if npc dialog open
+    if (PlayerInfo::isTalking())
+    {
+        mMouseClicked = false;
+        return;
+    }
+
+    mMouseClicked = true;
+
+    mMousePressX = event.getX();
+    mMousePressY = event.getY();
+    const MouseButtonT eventButton = event.getButton();
+    const int pixelX = mMousePressX + mPixelViewX;
+    const int pixelY = mMousePressY + mPixelViewY;
+
+    // Right click might open a popup
+    if (eventButton == MouseButton::RIGHT)
+    {
+        if (openContextMenu(event))
+            return;
+    }
+
+    // If a popup is active, just remove it
+    if (PopupManager::isPopupMenuVisible())
+    {
+        mPlayerFollowMouse = false;
+        PopupManager::hidePopupMenu();
+        return;
+    }
+
+    // Left click can cause different actions
+    if (!mLongMouseClick && eventButton == MouseButton::LEFT)
+    {
+        if (leftMouseAction())
+        {
+            mPlayerFollowMouse = false;
+            return;
+        }
+    }
+    else if (eventButton == MouseButton::MIDDLE)
+    {
+        mPlayerFollowMouse = false;
+        validateSpeed();
+        // Find the being nearest to the clicked position
+        if (actorManager != nullptr)
+        {
+            Being *const target = actorManager->findNearestLivingBeing(
+                pixelX, pixelY, 20, ActorType::Monster, nullptr);
+
+            if (target != nullptr)
+                localPlayer->setTarget(target);
+        }
+    }
+}
+
+void Viewport::getMouseTile(int &destX, int &destY) const
+{
+    getMouseTile(mMouseX, mMouseY, destX, destY);
+}
+
+void Viewport::getMouseTile(const int x, const int y,
+                            int &destX, int &destY) const
+{
+    if (mMap == nullptr)
+        return;
+    const int tw = mMap->getTileWidth();
+    const int th = mMap->getTileHeight();
+    destX = CAST_S32(x + mPixelViewX)
+        / static_cast<float>(tw);
+
+    if (mMap->isHeightsPresent())
+    {
+        const int th2 = th / 2;
+        const int clickY = y + mPixelViewY - th2;
+        destY = y + mPixelViewY;
+        int newDiffY = 1000000;
+        const int heightTiles = mainGraphics->mHeight / th;
+        const int tileViewY = mPixelViewY / th;
+        for (int f = tileViewY; f < tileViewY + heightTiles; f ++)
+        {
+            if (!mMap->getWalk(destX,
+                f,
+                BlockMask::WALL |
+                BlockMask::AIR |
+                BlockMask::WATER |
+                BlockMask::PLAYERWALL))
+            {
+                continue;
+            }
+
+            const int offset = mMap->getHeightOffset(
+                destX, f) * th2;
+            const int pixelF = f * th;
+            const int diff = abs(clickY + offset - pixelF);
+            if (diff < newDiffY)
+            {
+                destY = pixelF;
+                newDiffY = diff;
+            }
+        }
+        destY /= 32;
+    }
+    else
+    {
+        destY = CAST_S32((y + mPixelViewY) / static_cast<float>(th));
+    }
+}
+
+void Viewport::walkByMouse(const MouseEvent &event)
+{
+    if ((mMap == nullptr) || (localPlayer == nullptr))
+        return;
+    if (mPlayerFollowMouse
+        && !inputManager.isActionActive(InputAction::STOP_ATTACK)
+        && !inputManager.isActionActive(InputAction::UNTARGET))
+    {
+        if (!mMouseDirectionMove)
+            mPlayerFollowMouse = false;
+        if (mLocalWalkTime != localPlayer->getActionTime())
+        {
+            mLocalWalkTime = cur_time;
+            localPlayer->unSetPickUpTarget();
+            int playerX = localPlayer->getTileX();
+            int playerY = localPlayer->getTileY();
+            if (mMouseDirectionMove)
+            {
+                const int width = mainGraphics->mWidth / 2;
+                const int height = mainGraphics->mHeight / 2;
+                const float wh = static_cast<float>(width)
+                    / static_cast<float>(height);
+                int x = event.getX() - width;
+                int y = event.getY() - height;
+                if ((x == 0) && (y == 0))
+                    return;
+                const int x2 = abs(x);
+                const int y2 = abs(y);
+                const float diff = 2;
+                int dx = 0;
+                int dy = 0;
+                if (x2 > y2)
+                {
+                    if (y2 != 0 &&
+                        static_cast<float>(x2) / static_cast<float>(y2) /
+                        wh > diff)
+                    {
+                        y = 0;
+                    }
+                }
+                else
+                {
+                    if ((x2 != 0) && y2 * wh / x2 > diff)
+                        x = 0;
+                }
+                if (x > 0)
+                    dx = 1;
+                else if (x < 0)
+                    dx = -1;
+                if (y > 0)
+                    dy = 1;
+                else if (y < 0)
+                    dy = -1;
+
+                if (mMap->getWalk(playerX + dx,
+                    playerY + dy,
+                    BlockMask::WALL |
+                    BlockMask::AIR |
+                    BlockMask::WATER |
+                    BlockMask::PLAYERWALL))
+                {
+                    localPlayer->navigateTo(playerX + dx, playerY + dy);
+                }
+                else
+                {
+                    if ((dx != 0) && (dy != 0))
+                    {
+                        // try avoid diagonal collision
+                        if (x2 > y2)
+                        {
+                            if (mMap->getWalk(playerX + dx,
+                                playerY,
+                                BlockMask::WALL |
+                                BlockMask::AIR |
+                                BlockMask::WATER |
+                                BlockMask::PLAYERWALL))
+                            {
+                                dy = 0;
+                            }
+                            else
+                            {
+                                dx = 0;
+                            }
+                        }
+                        else
+                        {
+                            if (mMap->getWalk(playerX,
+                                playerY + dy,
+                                BlockMask::WALL |
+                                BlockMask::AIR |
+                                BlockMask::WATER |
+                                BlockMask::PLAYERWALL))
+                            {
+                                dx = 0;
+                            }
+                            else
+                            {
+                                dy = 0;
+                            }
+                        }
+                    }
+                    else
+                    {
+                        // try avoid vertical or horisontal collision
+                        if (dx == 0)
+                        {
+                            if (mMap->getWalk(playerX + 1,
+                                playerY + dy,
+                                BlockMask::WALL |
+                                BlockMask::AIR |
+                                BlockMask::WATER |
+                                BlockMask::PLAYERWALL))
+                            {
+                                dx = 1;
+                            }
+                            if (mMap->getWalk(playerX - 1,
+                                playerY + dy,
+                                BlockMask::WALL |
+                                BlockMask::AIR |
+                                BlockMask::WATER |
+                                BlockMask::PLAYERWALL))
+                            {
+                                dx = -1;
+                            }
+                        }
+                        if (dy == 0)
+                        {
+                            if (mMap->getWalk(playerX + dx,
+                                playerY + 1,
+                                BlockMask::WALL |
+                                BlockMask::AIR |
+                                BlockMask::WATER |
+                                BlockMask::PLAYERWALL))
+                            {
+                                dy = 1;
+                            }
+                            if (mMap->getWalk(playerX + dx,
+                                playerY - 1,
+                                BlockMask::WALL |
+                                BlockMask::AIR |
+                                BlockMask::WATER |
+                                BlockMask::PLAYERWALL))
+                            {
+                                dy = -1;
+                            }
+                        }
+                    }
+                    localPlayer->navigateTo(playerX + dx, playerY + dy);
+                }
+            }
+            else
+            {
+                int destX;
+                int destY;
+                getMouseTile(event.getX(), event.getY(),
+                    destX, destY);
+                if (playerX != destX || playerY != destY)
+                {
+                    if (!localPlayer->navigateTo(destX, destY))
+                    {
+                        if (playerX > destX)
+                            playerX --;
+                        else if (playerX < destX)
+                            playerX ++;
+                        if (playerY > destY)
+                            playerY --;
+                        else if (playerY < destY)
+                            playerY ++;
+                        if (mMap->getWalk(playerX, playerY, 0))
+                            localPlayer->navigateTo(playerX, playerY);
+                    }
+                }
+            }
+        }
+    }
+}
+
+void Viewport::mouseDragged(MouseEvent &event)
+{
+    if (event.getSource() != this || event.isConsumed())
+    {
+        mPlayerFollowMouse = false;
+        return;
+    }
+    if (mAllowMoveByMouse &&
+        mMouseClicked &&
+        (localPlayer != nullptr) &&
+        localPlayer->canMove())
+    {
+        if (abs(event.getX() - mMousePressX) > 32
+            || abs(event.getY() - mMousePressY) > 32)
+        {
+            mPlayerFollowMouse = true;
+        }
+
+        walkByMouse(event);
+    }
+}
+
+void Viewport::mouseReleased(MouseEvent &event)
+{
+    mPlayerFollowMouse = false;
+    mLocalWalkTime = -1;
+    if (mLongMouseClick && mMouseClicked)
+    {
+        mMouseClicked = false;
+        if (event.getSource() != this || event.isConsumed())
+            return;
+        const MouseButtonT eventButton = event.getButton();
+        if (eventButton == MouseButton::LEFT)
+        {
+            // long button press
+            if ((gui != nullptr) && gui->isLongPress())
+            {
+                if (openContextMenu(event))
+                {
+                    gui->resetClickCount();
+                    return;
+                }
+            }
+            else
+            {
+                if (leftMouseAction())
+                    return;
+            }
+            walkByMouse(event);
+        }
+    }
+}
+
+void Viewport::optionChanged(const std::string &name)
+{
+    if (name == "ScrollLaziness")
+        mScrollLaziness = config.getIntValue("ScrollLaziness");
+    else if (name == "ScrollRadius")
+        mScrollRadius = config.getIntValue("ScrollRadius");
+    else if (name == "showBeingPopup")
+        mShowBeingPopup = config.getBoolValue("showBeingPopup");
+    else if (name == "selfMouseHeal")
+        mSelfMouseHeal = config.getBoolValue("selfMouseHeal");
+    else if (name == "enableLazyScrolling")
+        mEnableLazyScrolling = config.getBoolValue("enableLazyScrolling");
+    else if (name == "mouseDirectionMove")
+        mMouseDirectionMove = config.getBoolValue("mouseDirectionMove");
+    else if (name == "longmouseclick")
+        mLongMouseClick = config.getBoolValue("longmouseclick");
+    else if (name == "allowMoveByMouse")
+        mAllowMoveByMouse = config.getBoolValue("allowMoveByMouse");
+}
+
+void Viewport::mouseMoved(MouseEvent &event)
+{
+    // Check if we are on the map
+    if (mMap == nullptr ||
+        localPlayer == nullptr ||
+        actorManager == nullptr)
+    {
+        return;
+    }
+
+    if (mMouseDirectionMove)
+        mPlayerFollowMouse = false;
+
+    const int x = mMouseX + mPixelViewX;
+    const int y = mMouseY + mPixelViewY;
+
+    ActorTypeT type = ActorType::Unknown;
+    mHoverBeing = actorManager->findBeingByPixel(x, y, AllPlayers_true);
+    if (mHoverBeing != nullptr)
+        type = mHoverBeing->getType();
+    if ((mHoverBeing != nullptr)
+        && (type == ActorType::Player
+        || type == ActorType::Npc
+        || type == ActorType::Homunculus
+        || type == ActorType::Mercenary
+        || type == ActorType::Pet))
+    {
+        PopupManager::hideTextPopup();
+        if (mShowBeingPopup && (beingPopup != nullptr))
+            beingPopup->show(mMouseX, mMouseY, mHoverBeing);
+    }
+    else
+    {
+        PopupManager::hideBeingPopup();
+    }
+
+    mHoverItem = actorManager->findItem(x / mMap->getTileWidth(),
+        y / mMap->getTileHeight());
+
+    if ((mHoverBeing == nullptr) && (mHoverItem == nullptr))
+    {
+        const SpecialLayer *const specialLayer = mMap->getSpecialLayer();
+        if (specialLayer != nullptr)
+        {
+            const int mouseTileX = (mMouseX + mPixelViewX)
+                / mMap->getTileWidth();
+            const int mouseTileY = (mMouseY + mPixelViewY)
+                / mMap->getTileHeight();
+
+            mHoverSign = specialLayer->getTile(mouseTileX, mouseTileY);
+            if (mHoverSign != nullptr &&
+                mHoverSign->getType() != MapItemType::EMPTY)
+            {
+                if (!mHoverSign->getComment().empty())
+                {
+                    PopupManager::hideBeingPopup();
+                    if (textPopup != nullptr)
+                    {
+                        textPopup->show(mMouseX, mMouseY,
+                            mHoverSign->getComment());
+                    }
+                }
+                else
+                {
+                    if (PopupManager::isTextPopupVisible())
+                        PopupManager::hideTextPopup();
+                }
+                gui->setCursorType(Cursor::CURSOR_UP);
+                return;
+            }
+        }
+    }
+    if (!event.isConsumed() &&
+        PopupManager::isTextPopupVisible())
+    {
+        PopupManager::hideTextPopup();
+    }
+
+    if (mHoverBeing != nullptr)
+    {
+        switch (type)
+        {
+            case ActorType::Npc:
+            case ActorType::Monster:
+            case ActorType::Portal:
+            case ActorType::Pet:
+            case ActorType::Mercenary:
+            case ActorType::Homunculus:
+            case ActorType::SkillUnit:
+            case ActorType::Elemental:
+                gui->setCursorType(mHoverBeing->getHoverCursor());
+                break;
+
+            case ActorType::Avatar:
+            case ActorType::FloorItem:
+            case ActorType::Unknown:
+            case ActorType::Player:
+            default:
+                gui->setCursorType(Cursor::CURSOR_POINTER);
+                break;
+        }
+    }
+    // Item mouseover
+    else if (mHoverItem != nullptr)
+    {
+        gui->setCursorType(mHoverItem->getHoverCursor());
+    }
+    else
+    {
+        gui->setCursorType(Cursor::CURSOR_POINTER);
+    }
+}
+
+void Viewport::toggleMapDrawType()
+{
+    settings.mapDrawType = static_cast<MapTypeT>(
+        CAST_S32(settings.mapDrawType) + 1);
+    if (settings.mapDrawType > MapType::BLACKWHITE)
+        settings.mapDrawType = MapType::NORMAL;
+    if (mMap != nullptr)
+        mMap->setDrawLayersFlags(settings.mapDrawType);
+}
+
+void Viewport::toggleCameraMode()
+{
+    settings.cameraMode ++;
+    if (settings.cameraMode > 1)
+        settings.cameraMode = 0;
+    if (settings.cameraMode == 0u)
+    {
+        mCameraRelativeX = 0;
+        mCameraRelativeY = 0;
+        updateMidVars();
+    }
+    UpdateStatusListener::distributeEvent();
+}
+
+void Viewport::clearHover(const ActorSprite *const actor)
+{
+    if (mHoverBeing == actor)
+        mHoverBeing = nullptr;
+
+    if (mHoverItem == actor)
+        mHoverItem = nullptr;
+}
+
+void Viewport::cleanHoverItems()
+{
+    mHoverBeing = nullptr;
+    mHoverItem = nullptr;
+    mHoverSign = nullptr;
+}
+
+void Viewport::moveCamera(const int dx, const int dy)
+{
+    mCameraRelativeX += dx;
+    mCameraRelativeY += dy;
+    updateMidVars();
+}
+
+void Viewport::moveCameraToActor(const BeingId actorId,
+                                 const int x, const int y)
+{
+    if ((localPlayer == nullptr) || (actorManager == nullptr))
+        return;
+
+    const Actor *const actor = actorManager->findBeing(actorId);
+    if (actor == nullptr)
+        return;
+    settings.cameraMode = 1;
+    mCameraRelativeX = actor->mPixelX - localPlayer->mPixelX + x;
+    mCameraRelativeY = actor->mPixelY - localPlayer->mPixelY + y;
+    updateMidVars();
+}
+
+void Viewport::moveCameraToPosition(const int x, const int y)
+{
+    if (localPlayer == nullptr)
+        return;
+
+    settings.cameraMode = 1;
+    mCameraRelativeX = x - localPlayer->mPixelX;
+    mCameraRelativeY = y - localPlayer->mPixelY;
+    updateMidVars();
+}
+
+void Viewport::moveCameraRelative(const int x, const int y)
+{
+    settings.cameraMode = 1;
+    mCameraRelativeX += x;
+    mCameraRelativeY += y;
+    updateMidVars();
+}
+
+void Viewport::returnCamera()
+{
+    settings.cameraMode = 0;
+    mCameraRelativeX = 0;
+    mCameraRelativeY = 0;
+    updateMidVars();
+}
+
+void Viewport::validateSpeed()
+{
+    if (!inputManager.isActionActive(InputAction::TARGET_ATTACK) &&
+        !inputManager.isActionActive(InputAction::ATTACK))
+    {
+        if (Game::instance() != nullptr)
+            Game::instance()->setValidSpeed();
+    }
+}
+
+void Viewport::updateMidVars()
+{
+    mMidTileX = (mainGraphics->mWidth + mScrollCenterOffsetX) / 2
+        - mCameraRelativeX;
+    mMidTileY = (mainGraphics->mHeight + mScrollCenterOffsetY) / 2
+        - mCameraRelativeY;
+}
+
+void Viewport::updateMaxVars()
+{
+    if (mMap == nullptr)
+        return;
+    mViewXmax = mMap->getWidth() * mMap->getTileWidth()
+        - mainGraphics->mWidth;
+    mViewYmax = mMap->getHeight() * mMap->getTileHeight()
+        - mainGraphics->mHeight;
+}
+
+void Viewport::videoResized()
+{
+    updateMidVars();
+    updateMaxVars();
+}
diff --git a/src/progs/manaplus/gui/viewport.h b/src/progs/manaplus/gui/viewport.h
new file mode 100644
index 000000000..62982fc89
--- /dev/null
+++ b/src/progs/manaplus/gui/viewport.h
@@ -0,0 +1,249 @@
+/*
+ *  The ManaPlus Client
+ *  Copyright (C) 2004-2009  The Mana World Development Team
+ *  Copyright (C) 2009-2010  The Mana Developers
+ *  Copyright (C) 2011-2017  The ManaPlus Developers
+ *
+ *  This file is part of The ManaPlus 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/>.
+ */
+
+#ifndef PROGS_MANAPLUS_GUI_VIEWPORT_H
+#define PROGS_MANAPLUS_GUI_VIEWPORT_H
+
+#include "position.h"
+
+#include "enums/simpletypes/beingid.h"
+
+#include "gui/widgets/windowcontainer.h"
+
+#include "listeners/mouselistener.h"
+
+class ActorSprite;
+class Being;
+class FloorItem;
+class Graphics;
+class Map;
+class MapItem;
+
+/**
+ * The viewport on the map. Displays the current map and handles mouse input
+ * and the popup menu.
+ */
+class Viewport final : public WindowContainer,
+                       public MouseListener,
+                       public ConfigListener
+{
+    public:
+        /**
+         * Constructor.
+         */
+        Viewport();
+
+        A_DELETE_COPY(Viewport)
+
+        /**
+         * Destructor.
+         */
+        ~Viewport();
+
+        /**
+         * Sets the map displayed by the viewport.
+         */
+        void setMap(Map *const map);
+
+        /**
+         * Draws the viewport.
+         */
+        void draw(Graphics *const graphics) override final A_NONNULL(2);
+
+        void safeDraw(Graphics *const graphics) override final A_NONNULL(2);
+
+        /**
+         * Implements player to keep following mouse.
+         */
+        void logic() override final;
+
+        /**
+         * Toggles whether the path debug graphics are shown. normal,
+         * debug with all images and grid, debug with out big images
+         * and with out grid.
+         */
+        void toggleMapDrawType();
+
+        void toggleCameraMode();
+
+        /**
+         * Handles mouse press on map.
+         */
+        void mousePressed(MouseEvent &event) override final;
+
+        /**
+         * Handles mouse move on map
+         */
+        void mouseDragged(MouseEvent &event) override final;
+
+        /**
+         * Handles mouse button release on map.
+         */
+        void mouseReleased(MouseEvent &event) override final;
+
+        /**
+         * Handles mouse move on map.
+         */
+        void mouseMoved(MouseEvent &event) override final;
+
+        /**
+         * A relevant config option changed.
+         */
+        void optionChanged(const std::string &name) override final;
+
+        /**
+         * Returns camera x offset in pixels.
+         */
+        int getCameraX() const noexcept2 A_WARN_UNUSED
+        { return mPixelViewX; }
+
+        /**
+         * Returns camera y offset in pixels.
+         */
+        int getCameraY() const noexcept2 A_WARN_UNUSED
+        { return mPixelViewY; }
+
+        /**
+         * Changes viewpoint by relative pixel coordinates.
+         */
+        void scrollBy(const int x, const int y)
+        { mPixelViewX += x; mPixelViewY += y; }
+
+        /**
+         * Clear all hover item, being etc
+         */
+        void cleanHoverItems();
+
+        Map *getMap() const noexcept2 A_WARN_UNUSED
+        { return mMap; }
+
+        void moveCamera(const int dx, const int dy);
+
+        int getCameraRelativeX() const noexcept2 A_WARN_UNUSED
+        { return mCameraRelativeX; }
+
+        int getCameraRelativeY() const noexcept2 A_WARN_UNUSED
+        { return mCameraRelativeY; }
+
+        void setCameraRelativeX(const int n)
+        { mCameraRelativeX = n; updateMidVars(); }
+
+        void setCameraRelativeY(const int n)
+        { mCameraRelativeY = n; updateMidVars(); }
+
+        void moveCameraToActor(const BeingId actorId,
+                               const int x = 0,
+                               const int y = 0);
+
+        void moveCameraToPosition(const int x, const int y);
+
+        void moveCameraRelative(const int x, const int y);
+
+        void returnCamera();
+
+        void getMouseTile(int &destX, int &destY) const;
+
+        void videoResized();
+
+        int mMouseX;                /**< Current mouse position in pixels. */
+        int mMouseY;                /**< Current mouse position in pixels. */
+
+    protected:
+        friend class ActorManager;
+
+        /// Clears any matching hovers
+        void clearHover(const ActorSprite *const actor);
+
+        void updateMidVars();
+
+        void updateMaxVars();
+
+        static void validateSpeed();
+
+    private:
+        /**
+         * Finds a path from the player to the mouse, and draws it. This is for
+         * debug purposes.
+         */
+        void drawDebugPath(Graphics *const graphics) A_NONNULL(2);
+
+        /**
+         * Draws the given path.
+         */
+        void drawPath(Graphics *const graphics,
+                      const Path &path,
+                      const Color &color = Color(255, 0, 0))
+                      const A_NONNULL(2);
+
+        bool leftMouseAction();
+
+        bool openContextMenu(const MouseEvent &event);
+
+        void walkByMouse(const MouseEvent &event);
+
+        void getMouseTile(const int x,
+                          const int y,
+                          int &destX,
+                          int &destY) const;
+
+        /**
+         * Make the player go to the mouse position.
+         */
+        void followMouse();
+
+        Map *mMap;                   /**< The current map. */
+
+        Being *mHoverBeing;          /**< Being mouse is currently over. */
+        FloorItem *mHoverItem;       /**< FloorItem mouse is currently over. */
+        MapItem *mHoverSign;         /**< Map sign mouse is currently over. */
+
+        int mScrollRadius;
+        int mScrollLaziness;
+        int mScrollCenterOffsetX;
+        int mScrollCenterOffsetY;
+        int mMousePressX;
+        int mMousePressY;
+        int mPixelViewX;            /**< Current viewpoint in pixels. */
+        int mPixelViewY;            /**< Current viewpoint in pixels. */
+        int mMidTileX;
+        int mMidTileY;
+        int mViewXmax;
+        int mViewYmax;
+
+        time_t mLocalWalkTime;
+
+        int mCameraRelativeX;
+        int mCameraRelativeY;
+
+        bool mShowBeingPopup;
+        bool mSelfMouseHeal;
+        bool mEnableLazyScrolling;
+        bool mMouseDirectionMove;
+        bool mLongMouseClick;
+        bool mAllowMoveByMouse;
+        bool mMouseClicked;
+        bool mPlayerFollowMouse;
+};
+
+extern Viewport *viewport;           /**< The viewport. */
+
+#endif  // PROGS_MANAPLUS_GUI_VIEWPORT_H