New lightweight minimap format, finish #15

modules/game_console/console.lua

@@ -530,7 +530,10 @@ function processChannelTabMenu(tab, mousePos, mouseButton)
     --menu:addOption(tr('Show Server Messages'), function() --[[TODO]] end)
     menu:addSeparator()
   end
+
+  if consoleTabBar:getCurrentTab() == tab then
     menu:addOption(tr('Clear Messages'), function() clearChannel(consoleTabBar) end)
+  end
   --menu:addOption(tr('Save Messages'), function() --[[TODO]] end)
 
   menu:display(mousePos)

modules/game_interface/gameinterface.lua

@@ -551,9 +551,8 @@ function processMouseAction(menuPosition, mouseButton, autoWalkPos, lookThing, u
   player:stopAutoWalk()
 
   if autoWalkPos and keyboardModifiers == KeyboardNoModifier and mouseButton == MouseLeftButton then
-    if not player:autoWalk(autoWalkPos) then
+    player.onAutoWalkFail = function() modules.game_textmessage.displayStatusMessage(tr('There is no way.')) end
-      modules.game_textmessage.displayStatusMessage(tr('There is no way.'))
+    player:autoWalk(autoWalkPos)
-    end
     return true
   end
 

modules/game_minimap/minimap.lua

@@ -6,7 +6,7 @@ navigating = false
 minimapWidget = nil
 minimapButton = nil
 minimapWindow = nil
-
+otmm = false
 flagsPanel    = nil
 flagWindow    = nil
 nextFlagId    = 0
@@ -49,6 +49,7 @@ function init()
   reset()
   minimapWindow:setup()
   loadMapFlags()
+  useOTMM()
   
   if g_game.isOnline() then
     addEvent(function() updateMapFlags() end)
@@ -263,18 +264,33 @@ end
 
 function loadMap()
   local protocolVersion = g_game.getProtocolVersion()
+  g_map.clean()
+  g_minimap.clean()
+
+  if otmm then
+    local minimapFile = '/minimap.otmm'
+    if g_resources.fileExists(minimapFile) then
+      g_minimap.loadOtmm(minimapFile)
+    end
+  else
     local minimapFile = '/minimap_' .. protocolVersion .. '.otcm'
     if g_resources.fileExists(minimapFile) then
-    g_map.clean()
       g_map.loadOtcm(minimapFile)
     end
   end
+end
 
 function saveMap()
   local protocolVersion = g_game.getProtocolVersion()
+
+  if otmm then
+    local minimapFile = '/minimap.otmm'
+    g_minimap.saveOtmm(minimapFile)
+  else
     local minimapFile = '/minimap_' .. protocolVersion .. '.otcm'
     g_map.saveOtcm(minimapFile)
   end
+end
 
 function toggle()
   if minimapButton:isOn() then
@@ -286,6 +302,10 @@ function toggle()
   end
 end
 
+function useOTMM()
+  otmm = true
+end
+
 function isClickInRange(position, fromPosition, toPosition)
   return (position.x >= fromPosition.x and position.y >= fromPosition.y and position.x <= toPosition.x and position.y <= toPosition.y)
 end

src/client/const.h

@@ -363,11 +363,10 @@ namespace Otc
     };
 
     enum PathFindFlags {
-        PathFindAllowNullTiles = 1,
+        PathFindAllowNotSeenTiles = 1,
         PathFindAllowCreatures = 2,
         PathFindAllowNonPathable = 4,
-        PathFindAllowNonWalkable = 8,
+        PathFindAllowNonWalkable = 8
-        PathFindAllowChangeFloor = 16
     };
 
     enum AutomapFlags

src/client/localplayer.cpp

@@ -193,9 +193,11 @@ bool LocalPlayer::autoWalk(const Position& destination)
             limitedPath.resize(127);
     } else {
         // no known path found, try to discover one
-        result = g_map.findPath(m_position, destination, 1000, Otc::PathFindAllowNullTiles);
+        result = g_map.findPath(m_position, destination, 1000, Otc::PathFindAllowNotSeenTiles);
-        if(std::get<1>(result) != Otc::PathFindResultOk)
+        if(std::get<1>(result) != Otc::PathFindResultOk) {
+            callLuaField("onAutoWalkFail");
             return false;
+        }
 
         Position currentPos = m_position;
         for(auto dir : std::get<0>(result)) {

src/client/luafunctions.cpp

@@ -36,6 +36,7 @@
 #include "player.h"
 #include "localplayer.h"
 #include "map.h"
+#include "minimap.h"
 #include "thingtypemanager.h"
 #include "spritemanager.h"
 #include "shadermanager.h"
@@ -116,7 +117,12 @@ void Client::registerLuaFunctions()
     g_lua.bindSingletonFunction("g_map", "getSpawnFile", &Map::getSpawnFile, &g_map);
     g_lua.bindSingletonFunction("g_map", "setSpawnFile", &Map::setSpawnFile, &g_map);
     g_lua.bindSingletonFunction("g_map", "createTile", &Map::createTile, &g_map);
-    g_lua.bindSingletonFunction("g_map", "getSize", &Map::getSize, &g_map);;
+    g_lua.bindSingletonFunction("g_map", "getSize", &Map::getSize, &g_map);
+
+    g_lua.registerSingletonClass("g_minimap");
+    g_lua.bindSingletonFunction("g_minimap", "clean", &Minimap::clean, &g_minimap);
+    g_lua.bindSingletonFunction("g_minimap", "loadOtmm", &Minimap::loadOtmm, &g_minimap);
+    g_lua.bindSingletonFunction("g_minimap", "saveOtmm", &Minimap::saveOtmm, &g_minimap);
 
     g_lua.registerSingletonClass("g_creatures");
     g_lua.bindSingletonFunction("g_creatures", "getCreatures", &CreatureManager::getCreatures, &g_creatures);

src/client/map.cpp

@@ -600,27 +600,39 @@ std::tuple<std::vector<Otc::Direction>, Otc::PathFindResult> Map::findPath(const
                 if(i == 0 && j == 0)
                     continue;
 
+                bool wasSeen = false;
+                bool hasCreature = false;
+                bool isNotWalkable = true;
+                bool isNotPathable = true;
+                int speed = 100;
+
                 Position neighborPos = currentNode->pos.translated(i, j);
-                const TilePtr& tile = getTile(neighborPos);
+                if(g_map.isAwareOfPosition(neighborPos)) {
+                    wasSeen = true;
+                    if(const TilePtr& tile = getTile(neighborPos)) {
+                        hasCreature = tile->hasCreature();
+                        isNotWalkable = !tile->isWalkable();
+                        isNotPathable = !tile->isPathable();
+                        speed = tile->getGroundSpeed();
+                    }
+                } else {
+                    const MinimapTile& mtile = g_minimap.getTile(neighborPos);
+                    wasSeen = mtile.hasFlag(MinimapTileWasSeen);
+                    isNotWalkable = mtile.hasFlag(MinimapTileNotWalkable);
+                    isNotPathable = mtile.hasFlag(MinimapTileNotPathable);
+                    speed = mtile.getSpeed();
+                }
 
                 float walkFactor = 0;
                 if(neighborPos != goalPos) {
-                    /*
+                    if(!(flags & Otc::PathFindAllowNotSeenTiles) && !wasSeen)
-                      Known Issue with Otc::PathFindAllowNullTiles flag:
-                      If you are above ground floor this will attempt to path over null
-                      tiles, need to rework this for "fly servers" and blank map click,
-                      but it is breaking normal path finding.
-                    */
-                    if(!(flags & Otc::PathFindAllowNullTiles) && (!tile || tile->isEmpty()))
                         continue;
-                    if(tile) {
+                    if(wasSeen) {
-                        if(!(flags & Otc::PathFindAllowCreatures) && tile->hasCreature())
+                        if(!(flags & Otc::PathFindAllowCreatures) && hasCreature)
                             continue;
-                        if(!(flags & Otc::PathFindAllowNonPathable) && !tile->isPathable())
+                        if(!(flags & Otc::PathFindAllowNonPathable) && isNotPathable)
                             continue;
-                        if(!(flags & Otc::PathFindAllowNonWalkable) && !tile->isWalkable())
+                        if(!(flags & Otc::PathFindAllowNonWalkable) && isNotWalkable)
-                            continue;
-                        if(!(flags & Otc::PathFindAllowChangeFloor) && tile->changesFloor())
                             continue;
                     }
                 }
@@ -631,8 +643,7 @@ std::tuple<std::vector<Otc::Direction>, Otc::PathFindResult> Map::findPath(const
                 else
                     walkFactor += 1.0f;
 
-                int groundSpeed = tile ? tile->getGroundSpeed() : 100;
+                float cost = currentNode->cost + (speed * walkFactor) / 100.0f;
-                float cost = currentNode->cost + (groundSpeed * walkFactor) / 100.0f;
 
                 Node *neighborNode;
                 if(nodes.find(neighborPos) == nodes.end()) {

src/client/mapio.cpp

@@ -382,7 +382,6 @@ bool Map::loadOtcm(const std::string& fileName)
         if(!fin)
             stdext::throw_exception("unable to open file");
 
-        stdext::timer loadTimer;
         fin->cache();
 
         uint32 signature = fin->getU32();
@@ -446,8 +445,6 @@ bool Map::loadOtcm(const std::string& fileName)
 
         fin->close();
 
-        // well, this is really slow
-        g_logger.debug(stdext::format("Otcm load time: %.2f seconds", loadTimer.elapsed_seconds()));
         return true;
     } catch(stdext::exception& e) {
         g_logger.error(stdext::format("failed to load OTCM map: %s", e.what()));
@@ -519,7 +516,6 @@ void Map::saveOtcm(const std::string& fileName)
         fin->flush();
 
         fin->close();
-        //g_logger.debug(stdext::format("Otcm save time: %.2f seconds", saveTimer.elapsed_seconds()));
     } catch(stdext::exception& e) {
         g_logger.error(stdext::format("failed to save OTCM map: %s", e.what()));
     }

src/client/minimap.cpp

@@ -27,40 +27,17 @@
 #include <framework/graphics/texture.h>
 #include <framework/graphics/painter.h>
 #include <framework/graphics/framebuffermanager.h>
+#include <framework/core/resourcemanager.h>
+#include <framework/core/filestream.h>
 #include <boost/concept_check.hpp>
+#include <zlib.h>
 
 Minimap g_minimap;
 
-void MinimapBlock::updateImage()
-{
-    if(!m_image)
-        m_image = ImagePtr(new Image(Size(MMBLOCK_SIZE, MMBLOCK_SIZE)));
-    else
-        m_image->resize(Size(MMBLOCK_SIZE, MMBLOCK_SIZE));
-
-    for(int x=0;x<MMBLOCK_SIZE;++x)
-        for(int y=0;y<MMBLOCK_SIZE;++y)
-            m_image->setPixel(x, y, Color::from8bit(getTile(x, y).color).rgba());
-}
-
-void MinimapBlock::updateTexture()
-{
-    if(!m_image)
-        return;
-
-    if(!m_texture) {
-        m_texture = TexturePtr(new Texture(m_image, true));
-    } else {
-        m_texture->uploadPixels(m_image, true);
-    }
-}
-
 void MinimapBlock::clean()
 {
     m_tiles.fill(MinimapTile());
-    m_image.reset();
     m_texture.reset();
-    m_shouldDraw = false;
     m_mustUpdate = false;
 }
 
@@ -69,19 +46,32 @@ void MinimapBlock::update()
     if(!m_mustUpdate)
         return;
 
-    if(m_shouldDraw) {
+    ImagePtr image(new Image(Size(MMBLOCK_SIZE, MMBLOCK_SIZE)));
-        updateImage();
+
-        updateTexture();
+    bool shouldDraw = false;
+    for(int x=0;x<MMBLOCK_SIZE;++x) {
+        for(int y=0;y<MMBLOCK_SIZE;++y) {
+            uint32 col = Color::from8bit(getTile(x, y).color).rgba();
+            image->setPixel(x, y, col);
+            if(col != 0)
+                shouldDraw = true;
         }
+    }
+
+    if(shouldDraw) {
+        if(!m_texture) {
+            m_texture = TexturePtr(new Texture(image, true));
+        } else {
+            m_texture->uploadPixels(image, true);
+        }
+    } else
+        m_texture.reset();
 
     m_mustUpdate = false;
 }
 
 void MinimapBlock::updateTile(int x, int y, const MinimapTile& tile)
 {
-    if(tile.color != 0)
-        m_shouldDraw = true;
-
     if(m_tiles[getTileIndex(x,y)].color != tile.color)
         m_mustUpdate = true;
 
@@ -90,7 +80,6 @@ void MinimapBlock::updateTile(int x, int y, const MinimapTile& tile)
 
 void Minimap::init()
 {
-
 }
 
 void Minimap::terminate()
@@ -141,13 +130,17 @@ void Minimap::draw(const Rect& screenRect, const Position& mapCenter, float scal
             if(x < 0 || x >= 65536 - MMBLOCK_SIZE)
                 continue;
 
+            Position blockPos(x, y, mapCenter.z);
+            if(!hasBlock(blockPos))
+                continue;
+
             MinimapBlock& block = getBlock(Position(x, y, mapCenter.z));
             block.update();
 
-            if(block.shouldDraw()) {
+            const TexturePtr& tex = block.getTexture();
+            if(tex) {
                 Rect src(0, 0, MMBLOCK_SIZE, MMBLOCK_SIZE);
                 Rect dest(Point(xs,ys), src.size() * scale);
-                const TexturePtr& tex = block.getTexture();
 
                 tex->setSmooth(scale < 1.0f);
                 g_painter->drawTexturedRect(dest, tex, src);
@@ -186,36 +179,151 @@ Position Minimap::getPosition(const Point& point, const Rect& screenRect, const
 
 void Minimap::updateTile(const Position& pos, const TilePtr& tile)
 {
-    MinimapBlock& block = getBlock(pos);
-    Point offsetPos = getBlockOffset(Point(pos.x, pos.y));
-
     MinimapTile minimapTile;
     if(tile) {
         minimapTile.color = tile->getMinimapColorByte();
-        if(tile->isWalkable())
+        minimapTile.flags |= MinimapTileWasSeen;
-            minimapTile.flags |= MinimapTileWalkable;
+        if(!tile->isWalkable(true))
-        if(tile->isPathable())
+            minimapTile.flags |= MinimapTileNotWalkable;
-            minimapTile.flags |= MinimapTilePathable;
+        if(!tile->isPathable())
-        if(tile->changesFloor())
+            minimapTile.flags |= MinimapTileNotPathable;
-            minimapTile.flags |= MinimapTileChangesFloor;
+        minimapTile.speed = std::min((int)std::ceil(tile->getGroundSpeed() / 10.0f), 255);
     }
 
-    block.updateTile(pos.x - offsetPos.x, pos.y - offsetPos.y, minimapTile);
+    if(minimapTile != MinimapTile()) {
-}
-
-bool Minimap::checkTileProperty(const Position& pos, int flags)
-{
         MinimapBlock& block = getBlock(pos);
         Point offsetPos = getBlockOffset(Point(pos.x, pos.y));
-    return block.getTile(pos.x - offsetPos.x, pos.y - offsetPos.y).flags & flags;
+        block.updateTile(pos.x - offsetPos.x, pos.y - offsetPos.y, minimapTile);
+    }
 }
 
-void Minimap::loadOtmm(const std::string& fileName)
+const MinimapTile& Minimap::getTile(const Position& pos)
 {
+    static MinimapTile nulltile;
+    if(pos.z <= Otc::MAX_Z && hasBlock(pos)) {
+        MinimapBlock& block = getBlock(pos);
+        Point offsetPos = getBlockOffset(Point(pos.x, pos.y));
+        return block.getTile(pos.x - offsetPos.x, pos.y - offsetPos.y);
+    }
+    return nulltile;
+}
 
+bool Minimap::loadOtmm(const std::string& fileName)
+{
+    try {
+        FileStreamPtr fin = g_resources.openFile(fileName);
+        if(!fin)
+            stdext::throw_exception("unable to open file");
+
+        fin->cache();
+
+        uint32 signature = fin->getU32();
+        if(signature != OTMM_SIGNATURE)
+            stdext::throw_exception("invalid OTMM file");
+
+        uint16 start = fin->getU16();
+        uint16 version = fin->getU16();
+        fin->getU32(); // flags
+
+        switch(version) {
+            case 1: {
+                fin->getString(); // description
+                break;
+            }
+            default:
+                stdext::throw_exception("OTMM version not supported");
+        }
+
+        fin->seek(start);
+
+        uint blockSize = MMBLOCK_SIZE * MMBLOCK_SIZE * sizeof(MinimapTile);
+        std::vector<uchar> compressBuffer(compressBound(blockSize));
+
+        while(true) {
+            Position pos;
+            pos.x = fin->getU16();
+            pos.y = fin->getU16();
+            pos.z = fin->getU8();
+
+            // end of file
+            if(!pos.isValid())
+                break;
+
+            MinimapBlock& block = getBlock(pos);
+            ulong len = fin->getU16();
+            ulong destLen = blockSize;
+            fin->read(compressBuffer.data(), len);
+            int ret = uncompress((uchar*)&block.getTiles(), &destLen, compressBuffer.data(), len);
+            assert(ret == Z_OK);
+            assert(destLen == blockSize);
+            block.mustUpdate();
+        }
+
+        fin->close();
+        return true;
+    } catch(stdext::exception& e) {
+        g_logger.error(stdext::format("failed to load OTMM minimap: %s", e.what()));
+        return false;
+    }
 }
 
 void Minimap::saveOtmm(const std::string& fileName)
 {
+    try {
+        stdext::timer saveTimer;
 
+        FileStreamPtr fin = g_resources.createFile(fileName);
+        fin->cache();
+
+        //TODO: compression flag with zlib
+        uint32 flags = 0;
+
+        // header
+        fin->addU32(OTMM_SIGNATURE);
+        fin->addU16(0); // data start, will be overwritten later
+        fin->addU16(OTMM_VERSION);
+        fin->addU32(flags);
+
+        // version 1 header
+        fin->addString("OTMM 1.0"); // description
+
+        // go back and rewrite where the map data starts
+        uint32 start = fin->tell();
+        fin->seek(4);
+        fin->addU16(start);
+        fin->seek(start);
+
+        uint blockSize = MMBLOCK_SIZE * MMBLOCK_SIZE * sizeof(MinimapTile);
+        std::vector<uchar> compressBuffer(compressBound(blockSize));
+        const int COMPRESS_LEVEL = 3;
+
+        for(uint8_t z = 0; z <= Otc::MAX_Z; ++z) {
+            for(auto& it : m_tileBlocks[z]) {
+                int index = it.first;
+                MinimapBlock& block = it.second;
+                Position pos = getIndexPosition(index, z);
+                fin->addU16(pos.x);
+                fin->addU16(pos.y);
+                fin->addU8(pos.z);
+
+                ulong len = blockSize;
+                int ret = compress2(compressBuffer.data(), &len, (uchar*)&block.getTiles(), blockSize, COMPRESS_LEVEL);
+                assert(ret == Z_OK);
+                fin->addU16(len);
+                fin->write(compressBuffer.data(), len);
+            }
+        }
+
+        // end of file
+        Position invalidPos;
+        fin->addU16(invalidPos.x);
+        fin->addU16(invalidPos.y);
+        fin->addU8(invalidPos.z);
+
+        fin->flush();
+
+        fin->close();
+    } catch(stdext::exception& e) {
+        g_logger.error(stdext::format("failed to save OTMM minimap: %s", e.what()));
+    }
 }

src/client/minimap.h

@@ -28,31 +28,33 @@
 #include <framework/graphics/declarations.h>
 
 enum {
-    MMBLOCK_SIZE = 64
+    MMBLOCK_SIZE = 64,
+    OTMM_SIGNATURE = 0x4D4d544F,
+    OTMM_VERSION = 1
 };
 
 enum MinimapTileFlags {
-    MinimapTilePathable = 1,
+    MinimapTileWasSeen = 1,
-    MinimapTileWalkable = 2,
+    MinimapTileNotPathable = 2,
-    MinimapTileChangesFloor = 4
+    MinimapTileNotWalkable = 4
 };
 
 #pragma pack(push,1) // disable memory alignment
 struct MinimapTile
 {
-    MinimapTile() : flags(0), color(0) { }
+    MinimapTile() : flags(0), color(0), speed(100) { }
     uint8 flags;
     uint8 color;
-
+    uint8 speed;
-    bool operator==(const MinimapTile& other) { return color == other.color && flags == other.flags; }
+    bool hasFlag(MinimapTileFlags flag) const { return flags & flag; }
+    int getSpeed() const { return speed * 10; }
+    bool operator==(const MinimapTile& other) const { return color == other.color && flags == other.flags && speed == other.speed; }
+    bool operator!=(const MinimapTile& other) const { return !(*this == other); }
 };
-#pragma pack(pop)
 
 class MinimapBlock
 {
 public:
-    void updateImage();
-    void updateTexture();
     void clean();
     void update();
     void updateTile(int x, int y, const MinimapTile& tile);
@@ -60,17 +62,16 @@ public:
     void resetTile(int x, int y) { m_tiles[getTileIndex(x,y)] = MinimapTile(); }
     uint getTileIndex(int x, int y) { return ((y % MMBLOCK_SIZE) * MMBLOCK_SIZE) + (x % MMBLOCK_SIZE); }
     const TexturePtr& getTexture() { return m_texture; }
-    std::array<MinimapTile, MMBLOCK_SIZE *MMBLOCK_SIZE> getTiles() { return m_tiles; }
+    std::array<MinimapTile, MMBLOCK_SIZE *MMBLOCK_SIZE>& getTiles() { return m_tiles; }
-    bool shouldDraw() { return m_shouldDraw; }
+    void mustUpdate() { m_mustUpdate = true; }
-
 private:
-    ImagePtr m_image;
     TexturePtr m_texture;
-    stdext::boolean<false> m_shouldDraw;
     std::array<MinimapTile, MMBLOCK_SIZE *MMBLOCK_SIZE> m_tiles;
     stdext::boolean<true> m_mustUpdate;
 };
 
+#pragma pack(pop)
+
 class Minimap
 {
 
@@ -84,15 +85,18 @@ public:
     Position getPosition(const Point& point, const Rect& screenRect, const Position& mapCenter, float scale);
 
     void updateTile(const Position& pos, const TilePtr& tile);
-    bool checkTileProperty(const Position& pos, int flags);
+    const MinimapTile& getTile(const Position& pos);
 
-    void loadOtmm(const std::string& fileName);
+    bool loadOtmm(const std::string& fileName);
     void saveOtmm(const std::string& fileName);
 
 private:
+    bool hasBlock(const Position& pos) { return m_tileBlocks[pos.z].find(getBlockIndex(pos)) != m_tileBlocks[pos.z].end(); }
     MinimapBlock& getBlock(const Position& pos) { return m_tileBlocks[pos.z][getBlockIndex(pos)]; }
     Point getBlockOffset(const Point& pos) { return Point(pos.x - pos.x % MMBLOCK_SIZE,
                                                           pos.y - pos.y % MMBLOCK_SIZE); }
+    Position getIndexPosition(int index, int z) { return Position((index % (65536 / MMBLOCK_SIZE))*MMBLOCK_SIZE,
+                                                                  (index / (65536 / MMBLOCK_SIZE))*MMBLOCK_SIZE, z); }
     uint getBlockIndex(const Position& pos) { return ((pos.y / MMBLOCK_SIZE) * (65536 / MMBLOCK_SIZE)) + (pos.x / MMBLOCK_SIZE); }
     std::unordered_map<uint, MinimapBlock> m_tileBlocks[Otc::MAX_Z+1];
 };

src/client/protocolgamesend.cpp

@@ -563,7 +563,6 @@ void ProtocolGame::sendCloseRuleViolation(const std::string& reporter)
     OutputMessagePtr msg(new OutputMessage);
     msg->addU8(Proto::ClientCloseRuleViolation);
     msg->addString(reporter);
-    dump << "ProtocolGame::sendCloseRuleViolation" << reporter;
     send(msg);
 }
 
@@ -571,7 +570,6 @@ void ProtocolGame::sendCancelRuleViolation()
 {
     OutputMessagePtr msg(new OutputMessage);
     msg->addU8(Proto::ClientCancelRuleViolation);
-    dump << "ProtocolGame::sendCancelRuleViolation";
     send(msg);
 }
 

src/client/thingtypemanager.cpp

@@ -72,7 +72,6 @@ bool ThingTypeManager::loadDat(std::string file)
 
         m_datSignature = fin->getU32();
 
-        int numThings[ThingLastCategory];
         for(int category = 0; category < ThingLastCategory; ++category) {
             int count = fin->getU16() + 1;
             m_thingTypes[category].clear();

src/client/tile.cpp

@@ -476,7 +476,7 @@ ThingPtr Tile::getTopMultiUseThing()
     return m_things[0];
 }
 
-bool Tile::isWalkable()
+bool Tile::isWalkable(bool ignoreCreatures)
 {
     if(!getGround())
         return false;
@@ -485,23 +485,16 @@ bool Tile::isWalkable()
         if(thing->isNotWalkable())
             return false;
 
+        if(!ignoreCreatures) {
             if(thing->isCreature()) {
                 CreaturePtr creature = thing->static_self_cast<Creature>();
                 if(!creature->isPassable() && creature->canBeSeen())
                     return false;
             }
         }
-    return true;
     }
-
-bool Tile::changesFloor()
-{
-    for(const ThingPtr& thing : m_things) {
-        if(thing->isTranslucent() || (thing->isOnBottom() && thing->hasElevation()))
     return true;
 }
-    return false;
-}
 
 bool Tile::isPathable()
 {

src/client/tile.h

@@ -94,8 +94,7 @@ public:
     uint8 getMinimapColorByte();
     int getThingCount() { return m_things.size() + m_effects.size(); }
     bool isPathable();
-    bool isWalkable();
+    bool isWalkable(bool ignoreCreatures = false);
-    bool changesFloor();
     bool isFullGround();
     bool isFullyOpaque();
     bool isSingleDimension();