4 files changed, 20 insertions, 14 deletions

diff --git a/src/Items/ItemLilypad.h b/src/Items/ItemLilypad.h
index 8fc1d8543..bc650cdbd 100644
--- a/src/Items/ItemLilypad.h
+++ b/src/Items/ItemLilypad.h
@@ -47,9 +47,9 @@ public:
 			public cBlockTracer::cCallbacks
 		{
 		public:
-			cCallbacks(cWorld * a_CBWorld) :
-				m_HasHitFluid(false),
-				m_World(a_CBWorld)
+
+			cCallbacks(void) :
+				m_HasHitFluid(false)
 			{
 			}
 
@@ -62,10 +62,9 @@ public:
 						return false;
 					}
 					AddFaceDirection(a_CBBlockX, a_CBBlockY, a_CBBlockZ, BLOCK_FACE_YP);  // Always place pad at top of water block
-					BLOCKTYPE Block = m_World->GetBlock(a_CBBlockX, a_CBBlockY, a_CBBlockZ);
 					if (
-						!IsBlockWater(Block) &&
-						cBlockInfo::FullyOccupiesVoxel(Block)
+						!IsBlockWater(a_CBBlockType) &&
+						cBlockInfo::FullyOccupiesVoxel(a_CBBlockType)
 						)
 					{
 						// Can't place lilypad on air/in another block!
@@ -80,11 +79,10 @@ public:
 
 			Vector3i m_Pos;
 			bool m_HasHitFluid;
-			cWorld * m_World;
 
 		};
 
-		cCallbacks Callbacks(a_World);
+		cCallbacks Callbacks;
 		cLineBlockTracer Tracer(*a_Player->GetWorld(), Callbacks);
 		Vector3d Start(a_Player->GetEyePosition() + a_Player->GetLookVector());
 		Vector3d End(a_Player->GetEyePosition() + a_Player->GetLookVector() * 5);
diff --git a/src/Items/ItemMinecart.h b/src/Items/ItemMinecart.h
index 25500aeb9..4e7d8fcff 100644
--- a/src/Items/ItemMinecart.h
+++ b/src/Items/ItemMinecart.h
@@ -78,7 +78,7 @@ public:
 		}
 		return true;
 	}
-	
+
 } ;
 
 
diff --git a/src/Items/ItemPickaxe.h b/src/Items/ItemPickaxe.h
index ff2c2069b..82bec52d4 100644
--- a/src/Items/ItemPickaxe.h
+++ b/src/Items/ItemPickaxe.h
@@ -76,6 +76,7 @@ public:
 			case E_BLOCK_STONE_PRESSURE_PLATE:
 			case E_BLOCK_BRICK:
 			case E_BLOCK_COBBLESTONE_STAIRS:
+			case E_BLOCK_COBBLESTONE_WALL:
 			case E_BLOCK_STONE_BRICK_STAIRS:
 			case E_BLOCK_NETHER_BRICK_STAIRS:
 			case E_BLOCK_CAULDRON:
diff --git a/src/Items/ItemThrowable.h b/src/Items/ItemThrowable.h
index c6a4e714e..35c2b8731 100644
--- a/src/Items/ItemThrowable.h
+++ b/src/Items/ItemThrowable.h
@@ -28,15 +28,19 @@ public:
 
 	virtual bool OnItemUse(cWorld * a_World, cPlayer * a_Player, const cItem & a_Item, int a_BlockX, int a_BlockY, int a_BlockZ, eBlockFace a_Dir) override
 	{
+		Vector3d Pos = a_Player->GetThrowStartPos();
+		Vector3d Speed = a_Player->GetLookVector() * m_SpeedCoeff;
+
+		if (a_World->CreateProjectile(Pos.x, Pos.y, Pos.z, m_ProjectileKind, a_Player, a_Player->GetEquippedItem(), &Speed) < 0)
+		{
+			return false;
+		}
+
 		if (!a_Player->IsGameModeCreative())
 		{
 			a_Player->GetInventory().RemoveOneEquippedItem();
 		}
 
-		Vector3d Pos = a_Player->GetThrowStartPos();
-		Vector3d Speed = a_Player->GetLookVector() * m_SpeedCoeff;
-		a_World->CreateProjectile(Pos.x, Pos.y, Pos.z, m_ProjectileKind, a_Player, a_Player->GetEquippedItem(), &Speed);
-
 		return true;
 	}
 	
@@ -127,7 +131,10 @@ public:
 			return false;
 		}
 
-		a_World->CreateProjectile(a_BlockX + 0.5, a_BlockY + 1, a_BlockZ + 0.5, m_ProjectileKind, a_Player, a_Player->GetEquippedItem());
+		if (a_World->CreateProjectile(a_BlockX + 0.5, a_BlockY + 1, a_BlockZ + 0.5, m_ProjectileKind, a_Player, a_Player->GetEquippedItem()) < 0)
+		{
+			return false;
+		}
 
 		if (!a_Player->IsGameModeCreative())
 		{