Properly Fix #301

src/client/mapview.cpp

@@ -608,21 +608,21 @@ int MapView::calcFirstVisibleFloor()
                         Position pos = cameraPosition.translated(ix, iy);
 
                         // process tiles that we can look through, e.g. windows, doors
-                        if((ix == 0 && iy == 0) || (/*(std::abs(ix) != std::abs(iy)) && */g_map.isLookPossible(pos))) {
+                        if((ix == 0 && iy == 0) || ((std::abs(ix) != std::abs(iy)) && g_map.isLookPossible(pos))) {
                             Position upperPos = pos;
                             Position coveredPos = pos;
 
                             while(coveredPos.coveredUp() && upperPos.up() && upperPos.z >= firstFloor) {
                                 // check tiles physically above
                                 TilePtr tile = g_map.getTile(upperPos);
-                                if(tile && tile->limitsFloorsView()) {
+                                if(tile && tile->limitsFloorsView(!g_map.isLookPossible(pos))) {
                                     firstFloor = upperPos.z + 1;
                                     break;
                                 }
 
                                 // check tiles geometrically above
                                 tile = g_map.getTile(coveredPos);
-                                if(tile && tile->limitsFloorsView()) {
+                                if(tile && tile->limitsFloorsView(g_map.isLookPossible(pos))) {
                                     firstFloor = coveredPos.z + 1;
                                     break;
                                 }

src/client/tile.cpp

@@ -590,15 +590,24 @@ bool Tile::hasCreature()
     return false;
 }
 
-bool Tile::limitsFloorsView()
+bool Tile::limitsFloorsView(bool isFreeView)
 {
     // ground and walls limits the view
     ThingPtr firstThing = getThing(0);
-    if(firstThing && !firstThing->isDontHide() && (firstThing->isGround() || firstThing->isOnBottom()))
-        return true;
+
+    if(isFreeView){
+        if(firstThing && !firstThing->isDontHide() && (firstThing->isGround() || firstThing->isOnBottom()))
+            return true;
+    }
+    else
+    {
+        if(firstThing && !firstThing->isDontHide() && (firstThing->isGround() || (firstThing->isOnBottom() && firstThing->blockProjectile())))
+            return true;
+    }
     return false;
 }
 
+
 bool Tile::canErase()
 {
     return m_walkingCreatures.empty() && m_effects.empty() && m_things.empty() && m_flags == 0 && m_minimapColor == 0;

src/client/tile.h

@@ -48,7 +48,7 @@ enum tileflags_t
     TILESTATE_TRASHHOLDER = 1 << 20,
     TILESTATE_BED = 1 << 21,
     TILESTATE_DEPOT = 1 << 22,
-    TILESTATE_TRANSLUECENT_LIGHT = 1 << 23 
+    TILESTATE_TRANSLUECENT_LIGHT = 1 << 23
 };
 
 class Tile : public LuaObject
@@ -105,7 +105,7 @@ public:
     bool mustHookSouth();
     bool mustHookEast();
     bool hasCreature();
-    bool limitsFloorsView();
+    bool limitsFloorsView(bool isFreeView = false);
     bool canErase();
     bool hasElevation(int elevation = 1);
     void overwriteMinimapColor(uint8 color) { m_minimapColor = color; }