From 12906c026d414c752d3c0ba9481f425b24b29c67 Mon Sep 17 00:00:00 2001
From: faketruth <faketruth@0a769ca7-a7f5-676a-18bf-c427514a06d6>
Date: Mon, 20 Aug 2012 12:20:20 +0000
Subject: Moved files used by MCServer to a special MCServer folder

git-svn-id: http://mc-server.googlecode.com/svn/trunk@763 0a769ca7-a7f5-676a-18bf-c427514a06d6
---
 MCServer/Plugins/Core/onblockplace.lua | 63 ++++++++++++++++++++++++++++++++++
 1 file changed, 63 insertions(+)
 create mode 100644 MCServer/Plugins/Core/onblockplace.lua

(limited to 'MCServer/Plugins/Core/onblockplace.lua')

diff --git a/MCServer/Plugins/Core/onblockplace.lua b/MCServer/Plugins/Core/onblockplace.lua
new file mode 100644
index 000000000..9032f8207
--- /dev/null
+++ b/MCServer/Plugins/Core/onblockplace.lua
@@ -0,0 +1,63 @@
+function OnBlockPlace(Player, BlockX, BlockY, BlockZ, BlockFace, HeldItem)
+
+	-- 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 = AddDirection(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
-- 
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