1 files changed, 63 insertions, 0 deletions
diff --git a/MCServer/Plugins/Core/onplayerplacingblock.lua b/MCServer/Plugins/Core/onplayerplacingblock.lua
new file mode 100644
index 000000000..be2fd64d3
--- /dev/null
+++ b/MCServer/Plugins/Core/onplayerplacingblock.lua
@@ -0,0 +1,63 @@
+function OnPlayerPlacingBlock(Player, BlockX, BlockY, BlockZ, BlockFace, CursorX, CursorY, CursorZ, BlockType)
+
+	-- dont check if the direction is in the air
+	if (BlockFace == -1) then
+		return false
+	end
+
+	if( Player:HasPermission("core.build") == false ) then
+		return true
+	end
+
+	-- TODO: If the placed block is not a block (torch etc.), allow it without checking for collisions
+	
+	local X = BlockX
+	local Y = BlockY
+	local Z = BlockZ
+	X, Y, Z = AddFaceDirection(X, Y, Z, BlockFace)
+	if (Y >= 256 or Y < 0) then
+		return true
+	end
+	
+	local CheckCollision = function(Player)
+		-- drop the decimals, we only care about the full block X,Y,Z
+		local PlayerX = math.floor(Player:GetPosX(), 0)
+		local PlayerY = math.floor(Player:GetPosY(), 0)
+		local PlayerZ = math.floor(Player:GetPosZ(), 0)
+
+		-- player height is 2 blocks, so we check the position and then offset it up one
+		-- so they can't place a block in anyone's face
+
+		local collision = false
+		if ((BlockFace == BLOCK_FACE_TOP) and (PlayerY == BlockY - 2) and (PlayerX == BlockX) and (PlayerZ == BlockZ)) then
+			collision = true
+		end
+
+		if ((BlockFace == BLOCK_FACE_BOTTOM) and (PlayerY == BlockY + 1) and (PlayerX == BlockX) and (PlayerZ == BlockZ)) then
+			collision = true
+		end
+
+		if ((BlockFace == BLOCK_FACE_NORTH) and (PlayerX == BlockX) and (PlayerZ == BlockZ - 1)) then
+			if ((PlayerY == BlockY) or (PlayerY + 1 == BlockY)) then collision = true end
+		end
+
+		if ((BlockFace == BLOCK_FACE_SOUTH) and (PlayerX == BlockX) and (PlayerZ == BlockZ + 1)) then
+			if ((PlayerY == BlockY) or (PlayerY + 1 == BlockY)) then collision = true end
+		end
+
+		if ((BlockFace == BLOCK_FACE_WEST) and (PlayerX == BlockX - 1) and (PlayerZ == BlockZ)) then
+			if ((PlayerY == BlockY) or (PlayerY + 1 == BlockY)) then collision = true end
+		end
+
+		if ((BlockFace == BLOCK_FACE_EAST) and (PlayerX == BlockX + 1) and (PlayerZ == BlockZ)) then
+			if ((PlayerY == BlockY) or (PlayerY + 1 == BlockY)) then collision = true end
+		end
+		
+		return collision
+	end
+	
+	if (Player:GetWorld():ForEachPlayer(CheckCollision) == false) then
+		return true
+	end
+	return false
+end
+\ No newline at end of file