many changes

src/otclient/const.h

@@ -33,11 +33,21 @@ namespace Otc
 
     enum {
         TILE_PIXELS = 32,
-        SEA_LEVEL = 7,
+        MAX_ELEVATION = 24,
+
+        SEA_FLOOR = 7,
         MAX_Z = 15,
+        UNDERGROUND_FLOOR = SEA_FLOOR+1,
         VISIBLE_X_TILES = 15,
         VISIBLE_Y_TILES = 11,
-        MAX_ELEVATION = 24,
+        AWARE_UNDEGROUND_FLOOR_RANGE = 2,
+        AWARE_X_TILES = VISIBLE_X_TILES + 3,
+        AWARE_Y_TILES = VISIBLE_Y_TILES + 3,
+        AWARE_X_LEFT_TILES = AWARE_X_TILES/2 - 1,
+        AWARE_X_RIGHT_TILES = AWARE_X_TILES/2,
+        AWARE_Y_TOP_TILES = AWARE_Y_TILES/2 - 1,
+        AWARE_Y_BOTTOM_TILES = AWARE_Y_TILES/2,
+
         EFFECT_TICKS_PER_FRAME = 75,
         ITEM_TICKS_PER_FRAME = 500,
         ANIMATED_TEXT_DURATION = 1000,
@@ -46,19 +56,19 @@ namespace Otc
         MAX_STATIC_TEXT_WIDTH = 200,
     };
 
-    enum MapDrawFlags {
+    enum DrawFlags {
-        MapDrawNonMoveableItems = 1,
+        DrawGround = 1,
-        MapDrawMoveableItems = 2,
+        DrawWalls = 2,
-        MapDrawCreatures = 4,
+        DrawCommonItems = 4,
-        MapDrawCreaturesInformation = 8,
+        DrawCreatures = 8,
-        MapDrawStaticTexts = 16,
+        DrawEffects = 16,
-        MapDrawAnimatedTexts = 32,
+        DrawMissiles = 32,
-        MapDrawEffects = 64,
+        DrawCreaturesInformation = 64,
-        MapDrawMissiles = 128,
+        DrawStaticTexts = 128,
-        MapDrawEverything = MapDrawNonMoveableItems | MapDrawMoveableItems |
+        DrawAnimatedTexts = 256,
-                            MapDrawCreatures | MapDrawCreaturesInformation |
+        DrawEverything = DrawGround | DrawWalls | DrawCommonItems |
-                            MapDrawStaticTexts | MapDrawAnimatedTexts |
+                         DrawCreatures | DrawEffects | DrawMissiles |
-                            MapDrawEffects | MapDrawMissiles
+                         DrawCreaturesInformation | DrawStaticTexts | DrawAnimatedTexts
     };
 
     enum DatOpts {

src/otclient/core/game.cpp

@@ -202,7 +202,7 @@ void Game::processInventoryChange(int slot, const ItemPtr& item)
 void Game::processCreatureMove(const CreaturePtr& creature, const Position& oldPos, const Position& newPos)
 {
     // animate walk
-    if(oldPos.isInRange(newPos, 1, 1, 0))
+    if(oldPos.isInRange(newPos, 1, 1))
         creature->walk(oldPos, newPos);
 }
 
@@ -246,7 +246,7 @@ void Game::walk(Otc::Direction direction)
     }*/
 
     // only do prewalk to walkable tiles
-    TilePtr toTile = g_map.getTile(m_localPlayer->getPosition() + Position::getPositionFromDirection(direction));
+    TilePtr toTile = g_map.getTile(m_localPlayer->getPosition().translatedToDirection(direction));
     if(toTile && toTile->isWalkable())
         m_localPlayer->preWalk(direction);
     else

src/otclient/core/item.cpp

@@ -73,7 +73,7 @@ void Item::setPosition(const Position& position)
     Thing::setPosition(position);
 }
 
-void Item::setData(int data)
+void Item::setData(uint8 data)
 {
     if(isStackable() && getNumPatternsX() == 4 && getNumPatternsY() == 2) {
         if(data < 5) {

src/otclient/core/item.h

@@ -36,14 +36,14 @@ public:
     void draw(const Point& dest, float scaleFactor);
 
     void setPosition(const Position &position);
-    void setData(int data);
+    void setData(uint8 data);
 
-    int getData() { return m_data; }
+    uint8 getData() { return m_data; }
 
     ItemPtr asItem() { return std::static_pointer_cast<Item>(shared_from_this()); }
 
 private:
-    int m_data;
+    uint8 m_data;
 };
 
 #endif

src/otclient/core/localplayer.cpp

@@ -70,7 +70,7 @@ void LocalPlayer::walk(const Position& oldPos, const Position& newPos)
 void LocalPlayer::preWalk(Otc::Direction direction)
 {
     // start walking to direction
-    Position newPos = m_position + Position::getPositionFromDirection(direction);
+    Position newPos = m_position.translatedToDirection(direction);
     m_preWalking = true;
     m_lastPrewalkDone = false;
     m_lastPrewalkDestionation = newPos;

src/otclient/core/map.cpp

@@ -67,7 +67,13 @@ void Map::load()
         uint16 id;
         in.read((char*)&id, sizeof(id));
         while(id != 0xFFFF) {
-            addThing(Item::create(id), pos);
+            ItemPtr item = Item::create(id);
+            if(item->isStackable() || item->isFluidContainer() || item->isFluid()) {
+                uint8 data;
+                in.read((char*)&data, sizeof(data));
+                item->setData(data);
+            }
+            addThing(item, pos, 255);
             in.read((char*)&id, sizeof(id));
         }
     }
@@ -80,7 +86,7 @@ void Map::save()
     for(auto& pair : m_tiles) {
         Position pos = pair.first;
         TilePtr tile = pair.second;
-        if(!tile)
+        if(!tile || tile->isEmpty())
             continue;
         out.write((char*)&pos, sizeof(pos));
         uint16 id;
@@ -88,6 +94,10 @@ void Map::save()
             if(ItemPtr item = thing->asItem()) {
                 id = item->getId();
                 out.write((char*)&id, sizeof(id));
+                if(item->isStackable() || item->isFluidContainer() || item->isFluid()) {
+                    uint8 data = item->getData();
+                    out.write((char*)&data, sizeof(data));
+                }
             }
         }
         id = 0xFFFF;
@@ -121,7 +131,7 @@ void Map::addThing(const ThingPtr& thing, const Position& pos, int stackPos)
         tile->addThing(thing, stackPos);
 
         // creature teleported
-        if(oldPos.isValid() && !oldPos.isInRange(pos,1,1,0))
+        if(oldPos.isValid() && !oldPos.isInRange(pos,1,1))
             g_game.processCreatureTeleport(creature);
     } else if(MissilePtr missile = thing->asMissile()) {
         m_floorMissiles[pos.z].push_back(missile);
@@ -235,6 +245,36 @@ void Map::removeCreatureById(uint32 id)
     m_knownCreatures.erase(id);
 }
 
+void Map::setCentralPosition(const Position& centralPosition)
+{
+    bool teleported = !m_centralPosition.isInRange(centralPosition, 1,1);
+    m_centralPosition = centralPosition;
+
+    // remove all creatures when teleporting, the server will resend them again
+    if(teleported) {
+        for(const auto& pair : m_knownCreatures) {
+            const CreaturePtr& creature = pair.second;
+            const TilePtr& tile = creature->getCurrentTile();
+            if(tile) {
+                tile->removeThing(creature);
+                creature->setPosition(Position());
+            }
+        }
+    // remove creatures from tiles that we are not aware anymore
+    } else {
+        for(const auto& pair : m_knownCreatures) {
+            const CreaturePtr& creature = pair.second;
+            if(!isAwareOfPosition(creature->getPosition())) {
+                const TilePtr& tile = creature->getCurrentTile();
+                if(tile) {
+                    tile->removeThing(creature);
+                    creature->setPosition(Position());
+                }
+            }
+        }
+    }
+}
+
 std::vector<CreaturePtr> Map::getSpectators(const Position& centerPos, bool multiFloor)
 {
     return getSpectatorsInRange(centerPos, multiFloor, (Otc::VISIBLE_X_TILES - 1)/2, (Otc::VISIBLE_Y_TILES - 1)/2);
@@ -259,7 +299,7 @@ std::vector<CreaturePtr> Map::getSpectatorsInRangeEx(const Position& centerPos,
     for(int iz=-minZRange; iz<=maxZRange; ++iz) {
         for(int iy=-minYRange; iy<=maxYRange; ++iy) {
             for(int ix=-minXRange; ix<=maxXRange; ++ix) {
-                TilePtr tile = getTile(centerPos + Position(ix,iy,iz));
+                TilePtr tile = getTile(centerPos.translated(ix,iy,iz));
                 if(!tile)
                     continue;
 
@@ -282,13 +322,14 @@ bool Map::isCovered(const Position& pos, int firstFloor)
 {
     // check for tiles on top of the postion
     Position tilePos = pos;
-    tilePos.coveredUp();
+    while(tilePos.coveredUp() && tilePos.z >= firstFloor) {
-    while(tilePos.z >= firstFloor) {
         TilePtr tile = getTile(tilePos);
         // the below tile is covered when the above tile has a full ground
         if(tile && tile->isFullGround())
             return true;
-        tilePos.coveredUp();
+
+        if(tilePos.z == 0)
+            break;
     }
     return false;
 }
@@ -296,8 +337,7 @@ bool Map::isCovered(const Position& pos, int firstFloor)
 bool Map::isCompletelyCovered(const Position& pos, int firstFloor)
 {
     Position tilePos = pos;
-    tilePos.coveredUp();
+    while(tilePos.coveredUp() && tilePos.z >= firstFloor) {
-    while(tilePos.z >= firstFloor) {
         bool covered = true;
         // check in 2x2 range tiles that has no transparent pixels
         for(int x=0;x<2;++x) {
@@ -311,7 +351,40 @@ bool Map::isCompletelyCovered(const Position& pos, int firstFloor)
         }
         if(covered)
             return true;
-        tilePos.coveredUp();
     }
     return false;
 }
+
+bool Map::isAwareOfPosition(const Position& pos)
+{
+    if(pos.z < getFirstAwareFloor() || pos.z > getLastAwareFloor())
+        return false;
+
+    Position groundedPos = pos;
+    while(groundedPos.z != m_centralPosition.z) {
+        if(groundedPos.z > m_centralPosition.z)
+            groundedPos.coveredUp();
+        else
+            groundedPos.coveredDown();
+    }
+    return m_centralPosition.isInRange(groundedPos, Otc::AWARE_X_LEFT_TILES,
+                                                    Otc::AWARE_X_RIGHT_TILES,
+                                                    Otc::AWARE_Y_TOP_TILES,
+                                                    Otc::AWARE_Y_BOTTOM_TILES);
+}
+
+int Map::getFirstAwareFloor()
+{
+    if(m_centralPosition.z > Otc::SEA_FLOOR)
+        return m_centralPosition.z-2;
+    else
+        return 0;
+}
+
+int Map::getLastAwareFloor()
+{
+    if(m_centralPosition.z > Otc::SEA_FLOOR)
+        return std::min(m_centralPosition.z+2, (int)Otc::MAX_Z);
+    else
+        return Otc::SEA_FLOOR;
+}

src/otclient/core/map.h

@@ -58,14 +58,17 @@ public:
     std::vector<CreaturePtr> getSpectatorsInRangeEx(const Position& centerPos, bool multiFloor, int minXRange, int maxXRange, int minYRange, int maxYRange);
 
     void setLight(const Light& light) { m_light = light; }
-    void setCentralPosition(const Position& centralPosition) { m_centralPosition = centralPosition; }
+    void setCentralPosition(const Position& centralPosition);
 
     bool isLookPossible(const Position& pos);
     bool isCovered(const Position& pos, int firstFloor = 0);
     bool isCompletelyCovered(const Position& pos, int firstFloor = 0);
+    bool isAwareOfPosition(const Position& pos);
 
     Light getLight() { return m_light; }
     Position getCentralPosition() { return m_centralPosition; }
+    int getFirstAwareFloor();
+    int getLastAwareFloor();
 
 
     std::vector<AnimatedTextPtr> getAnimatedTexts() { return m_animatedTexts; }

src/otclient/core/mapview.cpp

@@ -45,6 +45,7 @@ MapView::MapView()
     m_shaderProgram->addShaderFromSourceCode(Shader::Vertex, glslMainWithTexCoordsVertexShader + glslPositionOnlyVertexShader);
     m_shaderProgram->addShaderFromSourceFile(Shader::Fragment, "/game_shaders/map.frag");
     assert(m_shaderProgram->link());
+    //m_animated = false;
 }
 
 void MapView::draw(const Rect& rect)
@@ -55,10 +56,26 @@ void MapView::draw(const Rect& rect)
     float scaleFactor = m_tileSize/(float)Otc::TILE_PIXELS;
     Position cameraPosition = getCameraPosition();
 
-    if(updated || m_animated) {
+    int tileDrawFlags = 0;
+    if(isNearView())
+        tileDrawFlags = Otc::DrawGround | Otc::DrawWalls | Otc::DrawCommonItems | Otc::DrawCreatures | Otc::DrawEffects;
+    else if(isMidView())
+        tileDrawFlags = Otc::DrawGround | Otc::DrawWalls | Otc::DrawCommonItems;
+    else if(isFarView())
+        tileDrawFlags = Otc::DrawGround | Otc::DrawWalls;
+    else // huge far view
+        tileDrawFlags = Otc::DrawGround;
+
+    bool animate = m_animated;
+
+    // avoid animation of mid/far views
+    if(!isNearView())
+        animate = false;
+
+    if(updated || animate) {
         m_framebuffer->bind();
         for(const TilePtr& tile : m_cachedVisibleTiles) {
-            tile->draw(transformPositionTo2D(tile->getPosition()), scaleFactor);
+            tile->draw(transformPositionTo2D(tile->getPosition()), scaleFactor, tileDrawFlags);
             //TODO: restore missiles
         }
         m_framebuffer->generateMipmaps();
@@ -128,6 +145,12 @@ void MapView::draw(const Rect& rect)
             animatedText->draw(p, rect);
         }
     }
+
+    // draw a arrow for position the center in non near views
+    if(!isNearView()) {
+        g_painter.setColor(Fw::red);
+        g_painter.drawFilledRect(Rect(rect.center(), 4, 4));
+    }
 }
 
 bool MapView::updateVisibleTilesCache()
@@ -159,10 +182,10 @@ bool MapView::updateVisibleTilesCache()
             // loop through / diagonal tiles
             for(int ix = std::min(diagonal, m_drawDimension.width() - 1), iy = std::max(diagonal - m_drawDimension.width() + 1, 0); ix >= 0 && iy < m_drawDimension.height(); --ix, ++iy) {
                 // position on current floor
-                Position tilePos(cameraPosition.x + (ix - m_virtualCenterOffset.x), cameraPosition.y + (iy - m_virtualCenterOffset.y), cameraPosition.z);
+                Position tilePos = cameraPosition.translated(ix - m_virtualCenterOffset.x, iy - m_virtualCenterOffset.y);
                 // adjust tilePos to the wanted floor
                 tilePos.coveredUp(cameraPosition.z - iz);
-                if(TilePtr tile = g_map.getTile(tilePos)) {
+                if(const TilePtr& tile = g_map.getTile(tilePos)) {
                     // skip tiles that have nothing
                     if(tile->getThingCount() == 0)
                         continue;
@@ -257,28 +280,30 @@ int MapView::getFirstVisibleFloor()
     if(m_lockedFirstVisibleFloor != -1)
         return m_lockedFirstVisibleFloor;
 
-    // if nothing is limiting the view, the first visible floor is 0
-    int firstFloor = 0;
     Position cameraPosition = getCameraPosition();
 
+    // avoid rendering multile floors on far views
+    if(!isNearView())
+        return cameraPosition.z;
+
+    // if nothing is limiting the view, the first visible floor is 0
+    int firstFloor = 0;
+
     // limits to underground floors while under sea level
-    if(cameraPosition.z > Otc::SEA_LEVEL)
+    if(cameraPosition.z > Otc::SEA_FLOOR)
-        firstFloor = Otc::SEA_LEVEL+1;
+        firstFloor = Otc::SEA_FLOOR+1;
 
     // loop in 3x3 tiles around the camera
     for(int ix = -1; ix <= 1 && firstFloor < cameraPosition.z; ++ix) {
         for(int iy = -1; iy <= 1 && firstFloor < cameraPosition.z; ++iy) {
-            Position pos(cameraPosition.x + ix, cameraPosition.y + iy, cameraPosition.z);
+            Position pos = cameraPosition.translated(ix, iy);
 
             // process tiles that we can look through, e.g. windows, doors
             if((ix == 0 && iy == 0) || g_map.isLookPossible(pos)) {
                 Position upperPos = pos;
                 Position coveredPos = pos;
 
-                coveredPos.coveredUp();
+                while(coveredPos.coveredUp() && upperPos.up() && upperPos.z >= firstFloor) {
-                upperPos.up();
-
-                while(upperPos.z >= firstFloor) {
                     // check tiles physically above
                     TilePtr tile = g_map.getTile(upperPos);
                     if(tile && tile->limitsFloorsView()) {
@@ -293,8 +318,8 @@ int MapView::getFirstVisibleFloor()
                         break;
                     }
 
-                    coveredPos.coveredUp();
+                    if(upperPos.z == 0)
-                    upperPos.up();
+                        break;
                 }
             }
         }
@@ -307,11 +332,15 @@ int MapView::getLastVisibleFloor()
 {
     Position cameraPosition = getCameraPosition();
 
+    // avoid rendering multile floors on far views
+    if(!isNearView())
+        return cameraPosition.z;
+
     // view only underground floors when below sea level
-    if(cameraPosition.z > Otc::SEA_LEVEL)
+    if(cameraPosition.z > Otc::SEA_FLOOR)
         return Otc::MAX_Z;
     else
-        return Otc::SEA_LEVEL;
+        return Otc::SEA_FLOOR;
 }
 
 Position MapView::getCameraPosition()

src/otclient/core/mapview.h

@@ -30,12 +30,14 @@
 class MapView : public LuaObject
 {
     enum {
-        DEFAULT_FRAMBUFFER_SIZE = 2048
+        DEFAULT_FRAMBUFFER_SIZE = 2048,
+        NEAR_VIEW_AREA = 4096,
+        MID_VIEW_AREA = 16384,
+        FAR_VIEW_AREA = 32768
     };
 
 public:
     MapView();
-
     void draw(const Rect& rect);
 
 private:
@@ -69,6 +71,10 @@ public:
     Size getVisibleSize() { return m_visibleDimension * m_tileSize; }
     CreaturePtr getFollowingCreature() { return m_followingCreature; }
 
+    bool isNearView() { return m_drawDimension.area() <= NEAR_VIEW_AREA; }
+    bool isMidView() { return m_drawDimension.area() > NEAR_VIEW_AREA && m_drawDimension.area() <= MID_VIEW_AREA; }
+    bool isFarView() { return m_drawDimension.area() > MID_VIEW_AREA && m_drawDimension.area() <= FAR_VIEW_AREA; }
+    bool isHugeFarView() { return m_drawDimension.area() > FAR_VIEW_AREA; }
     bool isAnimated() { return m_animated; }
 
     Point transformPositionTo2D(const Position& position);

src/otclient/core/missile.cpp

@@ -35,7 +35,7 @@ Missile::Missile() : Thing()
 void Missile::draw(const Point& p, const Rect&)
 {
     float time = (g_clock.ticks() - m_startTicks) / m_duration;
-    //internalDraw(p + Point(m_positionDelta.x * time, m_positionDelta.y * time), 0);
+    //internalDraw(p + Point(m_deltax * time, m_deltay * time), 0);
 }
 
 void Missile::setPath(const Position& fromPosition, const Position& toPosition)
@@ -80,11 +80,12 @@ void Missile::setPath(const Position& fromPosition, const Position& toPosition)
     }
 
     m_position = fromPosition;
-    m_positionDelta = toPosition - fromPosition;
+    m_deltax = toPosition.x - fromPosition.x;
+    m_deltay = toPosition.y - fromPosition.y;
     m_startTicks = g_clock.ticks();
-    m_duration = 150 * std::sqrt(Point(m_positionDelta.x, m_positionDelta.y).length());
+    m_duration = 150 * std::sqrt(Point(m_deltax, m_deltay).length());
-    m_positionDelta.x *= Otc::TILE_PIXELS;
+    m_deltax *= Otc::TILE_PIXELS;
-    m_positionDelta.y *= Otc::TILE_PIXELS;
+    m_deltay *= Otc::TILE_PIXELS;
 
     // schedule removal
     auto self = asMissile();

src/otclient/core/missile.h

@@ -47,7 +47,8 @@ public:
 
 private:
     ticks_t m_startTicks;
-    Position m_positionDelta;
+    int m_deltax;
+    int m_deltay;
     float m_duration;
 };
 

src/otclient/core/thing.h

@@ -109,7 +109,7 @@ protected:
 
     uint32 m_id;
     Position m_position;
-    int m_xPattern, m_yPattern, m_zPattern, m_animation;
+    uint8 m_xPattern, m_yPattern, m_zPattern, m_animation;
 
 private:
     ThingType *m_type;

src/otclient/core/tile.cpp

@@ -36,22 +36,27 @@ Tile::Tile(const Position& position)
     m_position = position;
 }
 
-void Tile::draw(const Point& dest, float scaleFactor)
+void Tile::draw(const Point& dest, float scaleFactor, int drawFlags)
 {
     m_drawElevation = 0;
 
     // first bottom items
+    if(drawFlags & Otc::DrawGround || drawFlags & Otc::DrawWalls) {
         for(const ThingPtr& thing : m_things) {
             if(!thing->isGround() && !thing->isGroundBorder() && !thing->isOnBottom())
                 break;
+
+            if((drawFlags & Otc::DrawGround && thing->isGround()) || (drawFlags & Otc::DrawWalls))
                 thing->draw(dest - m_drawElevation*scaleFactor, scaleFactor);
 
             m_drawElevation += thing->getElevation();
             if(m_drawElevation > Otc::MAX_ELEVATION)
                 m_drawElevation = Otc::MAX_ELEVATION;
         }
+    }
 
     // now common items in reverse order
+    if(drawFlags & Otc::DrawCommonItems) {
         for(auto it = m_things.rbegin(); it != m_things.rend(); ++it) {
             const ThingPtr& thing = *it;
             if(thing->asCreature() || thing->isOnTop() || thing->isOnBottom() || thing->isGroundBorder() || thing->isGround())
@@ -62,11 +67,13 @@ void Tile::draw(const Point& dest, float scaleFactor)
             if(m_drawElevation > Otc::MAX_ELEVATION)
                 m_drawElevation = Otc::MAX_ELEVATION;
         }
+    }
 
     // we can render creatures in 3x3 range
+    if(drawFlags & Otc::DrawCreatures) {
         for(int xi = -1; xi <= 1; ++xi) {
             for(int yi = -1; yi <= 1; ++yi) {
-            const TilePtr& tile = g_map.getTile(m_position + Position(xi, yi, 0));
+                const TilePtr& tile = g_map.getTile(m_position.translated(xi, yi, 0));
                 if(!tile)
                     continue;
                 for(const CreaturePtr& creature : tile->getCreatures()) {
@@ -84,16 +91,21 @@ void Tile::draw(const Point& dest, float scaleFactor)
                 }
             }
         }
+    }
 
     // effects
+    if(drawFlags & Otc::DrawEffects) {
         for(const EffectPtr& effect : m_effects)
             effect->draw(dest, scaleFactor);
+    }
 
     // top items
+    if(drawFlags & Otc::DrawWalls) {
         for(const ThingPtr& thing : m_things) {
             if(thing->isOnTop())
                 thing->draw(dest - m_drawElevation, scaleFactor);
         }
+    }
 }
 
 void Tile::clean()

src/otclient/core/tile.h

@@ -31,7 +31,7 @@ class Tile : public LuaObject
 public:
     Tile(const Position& position);
 
-    void draw(const Point& dest, float scaleFactor);
+    void draw(const Point& dest, float scaleFactor, int drawFlags);
 
 private:
     void updateVisibleItemsCache();

src/otclient/net/protocolgameparse.cpp

@@ -317,7 +317,7 @@ void ProtocolGame::parseMapDescription(InputMessage& msg)
 {
     Position pos = parsePosition(msg);
     g_map.setCentralPosition(pos);
-    setMapDescription(msg, pos.x - 8, pos.y - 6, pos.z, 18, 14);
+    setMapDescription(msg, pos.x - Otc::AWARE_X_LEFT_TILES, pos.y - Otc::AWARE_Y_TOP_TILES, pos.z, Otc::AWARE_X_TILES, Otc::AWARE_Y_TILES);
 }
 
 void ProtocolGame::parseMoveNorth(InputMessage& msg)
@@ -325,7 +325,7 @@ void ProtocolGame::parseMoveNorth(InputMessage& msg)
     Position pos = g_map.getCentralPosition();
     pos.y--;
 
-    setMapDescription(msg, pos.x - 8, pos.y - 6, pos.z, 18, 1);
+    setMapDescription(msg, pos.x - Otc::AWARE_X_LEFT_TILES, pos.y - Otc::AWARE_Y_TOP_TILES, pos.z, Otc::AWARE_X_TILES, 1);
     g_map.setCentralPosition(pos);
 }
 
@@ -334,7 +334,7 @@ void ProtocolGame::parseMoveEast(InputMessage& msg)
     Position pos = g_map.getCentralPosition();
     pos.x++;
 
-    setMapDescription(msg, pos.x + 9, pos.y - 6, pos.z, 1, 14);
+    setMapDescription(msg, pos.x + Otc::AWARE_X_RIGHT_TILES, pos.y - Otc::AWARE_Y_TOP_TILES, pos.z, 1, Otc::AWARE_Y_TILES);
     g_map.setCentralPosition(pos);
 }
 
@@ -343,7 +343,7 @@ void ProtocolGame::parseMoveSouth(InputMessage& msg)
     Position pos = g_map.getCentralPosition();
     pos.y++;
 
-    setMapDescription(msg, pos.x - 8, pos.y + 7, pos.z, 18, 1);
+    setMapDescription(msg, pos.x - Otc::AWARE_X_LEFT_TILES, pos.y + Otc::AWARE_Y_BOTTOM_TILES, pos.z, Otc::AWARE_X_TILES, 1);
     g_map.setCentralPosition(pos);
 }
 
@@ -352,7 +352,7 @@ void ProtocolGame::parseMoveWest(InputMessage& msg)
     Position pos = g_map.getCentralPosition();
     pos.x--;
 
-    setMapDescription(msg, pos.x - 8, pos.y - 6, pos.z, 1, 14);
+    setMapDescription(msg, pos.x - Otc::AWARE_X_LEFT_TILES, pos.y - Otc::AWARE_Y_TOP_TILES, pos.z, 1, Otc::AWARE_Y_TILES);
     g_map.setCentralPosition(pos);
 }
 
@@ -819,11 +819,11 @@ void ProtocolGame::parseFloorChangeUp(InputMessage& msg)
     pos.z--;
 
     int skip = 0;
-    if(pos.z == 7)
+    if(pos.z == Otc::SEA_FLOOR)
-        for(int i = 5; i >= 0; i--)
+        for(int i = Otc::SEA_FLOOR - Otc::AWARE_UNDEGROUND_FLOOR_RANGE; i >= 0; i--)
-            setFloorDescription(msg, pos.x - 8, pos.y - 6, i, 18, 14, 8 - i, &skip);
+            setFloorDescription(msg, pos.x - Otc::AWARE_X_LEFT_TILES, pos.y - Otc::AWARE_Y_TOP_TILES, i, Otc::AWARE_X_TILES, Otc::AWARE_Y_TILES, 8 - i, &skip);
-    else if(pos.z > 7)
+    else if(pos.z > Otc::SEA_FLOOR)
-        setFloorDescription(msg, pos.x - 8, pos.y - 6, pos.z - 2, 18, 14, 3, &skip);
+        setFloorDescription(msg, pos.x - Otc::AWARE_X_LEFT_TILES, pos.y - Otc::AWARE_Y_TOP_TILES, pos.z - Otc::AWARE_UNDEGROUND_FLOOR_RANGE, Otc::AWARE_X_TILES, Otc::AWARE_Y_TILES, 3, &skip);
 
     pos.x++;
     pos.y++;
@@ -836,13 +836,13 @@ void ProtocolGame::parseFloorChangeDown(InputMessage& msg)
     pos.z++;
 
     int skip = 0;
-    if(pos.z == 8) {
+    if(pos.z == Otc::UNDERGROUND_FLOOR) {
         int j, i;
-        for(i = pos.z, j = -1; i < pos.z + 3; ++i, --j)
+        for(i = pos.z, j = -1; i <= pos.z + Otc::AWARE_UNDEGROUND_FLOOR_RANGE; ++i, --j)
-            setFloorDescription(msg, pos.x - 8, pos.y - 6, i, 18, 14, j, &skip);
+            setFloorDescription(msg, pos.x - Otc::AWARE_X_LEFT_TILES, pos.y - Otc::AWARE_Y_TOP_TILES, i, Otc::AWARE_X_TILES, Otc::AWARE_Y_TILES, j, &skip);
     }
-    else if(pos.z > 8 && pos.z < 14)
+    else if(pos.z > Otc::UNDERGROUND_FLOOR && pos.z < Otc::MAX_Z-1)
-        setFloorDescription(msg, pos.x - 8, pos.y - 6, pos.z + 2, 18, 14, -3, &skip);
+        setFloorDescription(msg, pos.x - Otc::AWARE_X_LEFT_TILES, pos.y - Otc::AWARE_Y_TOP_TILES, pos.z + Otc::AWARE_UNDEGROUND_FLOOR_RANGE, Otc::AWARE_X_TILES, Otc::AWARE_Y_TILES, -3, &skip);
 
     pos.x--;
     pos.y--;
@@ -931,13 +931,13 @@ void ProtocolGame::setMapDescription(InputMessage& msg, int32 x, int32 y, int32
 {
     int startz, endz, zstep, skip = 0;
 
-    if(z > 7) {
+    if(z > Otc::SEA_FLOOR) {
-        startz = z - 2;
+        startz = z - Otc::AWARE_UNDEGROUND_FLOOR_RANGE;
-        endz = (15 < z+2) ? 15 : z+2;
+        endz = std::min(z + Otc::AWARE_UNDEGROUND_FLOOR_RANGE, (int)Otc::MAX_Z);
         zstep = 1;
     }
     else {
-        startz = 7;
+        startz = Otc::SEA_FLOOR;
         endz = 0;
         zstep = -1;
     }
@@ -952,13 +952,17 @@ void ProtocolGame::setFloorDescription(InputMessage& msg, int32 x, int32 y, int3
 
     for(int nx = 0; nx < width; nx++) {
         for(int ny = 0; ny < height; ny++) {
+            Position tilePos(x + nx + offset, y + ny + offset, z);
+
+            // clean pre stored tiles
+            g_map.cleanTile(tilePos);
+
             if(skip == 0) {
                 int tileOpt = msg.getU16(true);
                 if(tileOpt >= 0xFF00)
                     skip = (msg.getU16() & 0xFF);
                 else {
-                    Position pos(x + nx + offset, y + ny + offset, z);
+                    setTileDescription(msg, tilePos);
-                    setTileDescription(msg, pos);
                     skip = (msg.getU16() & 0xFF);
                 }
             }

src/otclient/util/position.h

@@ -30,51 +30,99 @@
 class Position
 {
 public:
-    Position() : x(-1), y(-1), z(-1) { }
+    Position() : x(65535), y(65535), z(255) { }
-    Position(int x, int y, int z) : x(x), y(y), z(z) { }
+    Position(uint16 x, uint16 y, uint8 z) : x(x), y(y), z(z) { }
 
-    static Position getPositionFromDirection(Otc::Direction direction) {
+    Position translatedToDirection(Otc::Direction direction) {
+        Position pos = *this;
         switch(direction) {
         case Otc::North:
-            return Position( 0, -1, 0);
+            pos.y--;
+            break;
         case Otc::East:
-            return Position( 1,  0, 0);
+            pos.x++;
+            break;
         case Otc::South:
-            return Position( 0,  1, 0);
+            pos.y++;
+            break;
         case Otc::West:
-            return Position(-1,  0, 0);
+            pos.x--;
+            break;
         case Otc::NorthEast:
-            return Position( 1, -1, 0);
+            pos.x++;
+            pos.y--;
+            break;
         case Otc::SouthEast:
-            return Position( 1,  1, 0);
+            pos.x++;
+            pos.y++;
+            break;
         case Otc::SouthWest:
-            return Position(-1,  1, 0);
+            pos.x--;
+            pos.y++;
+            break;
         case Otc::NorthWest:
-            return Position(-1, -1, 0);
+            pos.x--;
-        default:
+            pos.y--;
-            return Position();
+            break;
         }
+        return pos;
+    }
+
+    Position translatedToReverseDirection(Otc::Direction direction) {
+        Position pos = *this;
+        switch(direction) {
+        case Otc::North:
+            pos.y++;
+            break;
+        case Otc::East:
+            pos.x--;
+            break;
+        case Otc::South:
+            pos.y--;
+            break;
+        case Otc::West:
+            pos.x++;
+            break;
+        case Otc::NorthEast:
+            pos.x--;
+            pos.y++;
+            break;
+        case Otc::SouthEast:
+            pos.x--;
+            pos.y--;
+            break;
+        case Otc::SouthWest:
+            pos.x++;
+            pos.y--;
+            break;
+        case Otc::NorthWest:
+            pos.x++;
+            pos.y++;
+            break;
+        }
+        return pos;
     }
 
     Otc::Direction getDirectionFromPosition(const Position& position) const {
-        Position positionDelta = position - *this;
+        int dx = position.x - x;
+        int dy = position.y - y;
 
-        if(positionDelta.x == 0 && positionDelta.y == 0)
+        if(dx == 0 && dy == 0)
             return Otc::InvalidDirection;
-        else if(positionDelta.x == 0) {
+        else if(dx == 0) {
-            if(positionDelta.y < 0)
+            if(dy < 0)
                 return Otc::North;
-            else if(positionDelta.y > 0)
+            else if(dy > 0)
                 return Otc::South;
         }
-        else if(positionDelta.y == 0) {
+        else if(dy == 0) {
-            if(positionDelta.x < 0)
+            if(dx < 0)
                 return Otc::West;
-            else if(positionDelta.x > 0)
+            else if(dx > 0)
                 return Otc::East;
         }
         else {
-            float angle = std::atan2(positionDelta.y * -1, positionDelta.x) * RAD_TO_DEC;
+            float angle = std::atan2(dy * -1, dx) * RAD_TO_DEC;
             if(angle < 0)
                 angle += 360;
 
@@ -98,7 +146,10 @@ public:
         return Otc::InvalidDirection;
     }
 
-    bool isValid() const { return x >= 0 && y >= 0 && z >= 0 && x <= 65535 && y <= 65535 && z <= 15; }
+    bool isValid() const { return !(x == 65535 && y == 65535 && z == 255); }
+
+    void translate(int dx, int dy, short dz = 0) { x += dx; y += dy; z += dz; }
+    Position translated(int dx, int dy, short dz = 0) const { Position pos = *this; pos.x += dx; pos.y += dy; pos.z += dz; return pos; }
 
     Position operator+(const Position& other) const { return Position(x + other.x, y + other.y, z + other.z);   }
     Position& operator+=(const Position& other) { x+=other.x; y+=other.y; z +=other.z; return *this; }
@@ -109,19 +160,50 @@ public:
     bool operator==(const Position& other) const { return other.x == x && other.y == y && other.z == z; }
     bool operator!=(const Position& other) const { return other.x!=x || other.y!=y || other.z!=z; }
 
-    bool isInRange(const Position& pos, int xdif, int ydif, int zdif = 1) const {
+    bool isInRange(const Position& pos, int xRange, int yRange) const { return std::abs(x-pos.x) <= xRange && std::abs(y-pos.y) <= yRange; }
-        return std::abs(x-pos.x) <= xdif && std::abs(y-pos.y) <= ydif && std::abs(pos.z-z) <= zdif;
+    bool isInRange(const Position& pos, int minXRange, int maxXRange, int minYRange, int maxYRange) const {
+        return (pos.x >= x-minXRange && pos.x <= x+maxXRange && pos.y >= y-minYRange && pos.y <= y+maxYRange);
     }
 
-    void up(int n = 1) { z-=n; }
+    bool up(int n = 1) {
-    void down(int n = 1) { z+=n; }
+        int nz = z-n;
+        if(nz >= 0 && nz <= Otc::MAX_Z) {
+            z = nz;
+            return true;
+        }
+        return false;
+    }
 
-    void coveredUp(int n = 1) { x+=n; y+=n; z-=n; }
+    bool down(int n = 1) {
-    void coveredDown(int n = 1) { x-=n; y-=n; z+=n; }
+        int nz = z+n;
+        if(nz >= 0 && nz <= Otc::MAX_Z) {
+            z = nz;
+            return true;
+        }
+        return false;
+    }
 
-    int x;
+    bool coveredUp(int n = 1) {
-    int y;
+        int nx = x+n, ny = y+n, nz = z-n;
-    int z;
+        if(nx >= 0 && nx <= 65535 && ny >= 0 && ny <= 65535 && nz >= 0 && nz <= Otc::MAX_Z) {
+            x = nx; y = ny; z = nz;
+            return true;
+        }
+        return false;
+    }
+
+    bool coveredDown(int n = 1) {
+        int nx = x-n, ny = y-n, nz = z+n;
+        if(nx >= 0 && nx <= 65535 && ny >= 0 && ny <= 65535 && nz >= 0 && nz <= Otc::MAX_Z) {
+            x = nx; y = ny; z = nz;
+            return true;
+        }
+        return false;
+    }
+
+    uint16 x;
+    uint16 y;
+    uint8 z;
 };
 
 struct PositionHasher : std::unary_function<Position, std::size_t> {
@@ -132,13 +214,17 @@ struct PositionHasher : std::unary_function<Position, std::size_t> {
 
 inline std::ostream& operator<<(std::ostream& out, const Position& pos)
 {
-    out << pos.x << " " << pos.y << " " << pos.z;
+    out << (int)pos.x << " " << (int)pos.y << " " << (int)pos.z;
     return out;
 }
 
 inline std::istream& operator>>(std::istream& in, Position& pos)
 {
-    in >> pos.x >> pos.y >> pos.z;
+    int x, y, z;
+    in >> x >> y >> z;
+    pos.x = x;
+    pos.y = y;
+    pos.z = z;
     return in;
 }