From e227470474bf5872af6ef5b3c21986871d7598f7 Mon Sep 17 00:00:00 2001
From: Wuzzy <Wuzzy2@mail.ru>
Date: Fri, 1 Dec 2017 22:22:00 +0100
Subject: [PATCH] Fix falling node falling forever on fences (hacky)

---
 mods/ENTITIES/mcl_falling_nodes/init.lua | 23 +++++++++++++++++++++--
 mods/ITEMS/mcl_fences/init.lua           | 10 +++++-----
 2 files changed, 26 insertions(+), 7 deletions(-)

diff --git a/mods/ENTITIES/mcl_falling_nodes/init.lua b/mods/ENTITIES/mcl_falling_nodes/init.lua
index a0882ce9..9290f9e2 100644
--- a/mods/ENTITIES/mcl_falling_nodes/init.lua
+++ b/mods/ENTITIES/mcl_falling_nodes/init.lua
@@ -118,9 +118,28 @@ minetest.register_entity(":__builtin:falling_node", {
 			return
 		end
 		local vel = self.object:getvelocity()
+		-- Fix position if entity does not move
 		if vector.equals(vel, {x = 0, y = 0, z = 0}) then
-			local npos = self.object:getpos()
-			self.object:setpos(vector.round(npos))
+			local npos = vector.round(self.object:getpos())
+			local npos2 = table.copy(npos)
+			npos2.y = npos2.y - 2
+			local lownode = minetest.get_node(npos2)
+			-- Special check required for fences, because of their overhigh collision box.
+			if minetest.get_item_group(lownode.name, "fence") == 1 then
+				-- Instantly stop the node if it is above a fence. This is needed
+				-- because the falling node collides early with a fence node.
+				-- Hacky, because the falling node will teleport a short distance, instead
+				-- of smoothly fall on the fence post.
+				local npos3 = table.copy(npos)
+				npos3.y = npos3.y - 1
+				minetest.add_node(npos3, self.node)
+				self.object:remove()
+				minetest.check_for_falling(npos3)
+				return
+			else
+				-- Normal position fix (expected case)
+				self.object:setpos(npos)
+			end
 		end
 	end
 })
diff --git a/mods/ITEMS/mcl_fences/init.lua b/mods/ITEMS/mcl_fences/init.lua
index 5d8f8042..9b9e1a19 100644
--- a/mods/ITEMS/mcl_fences/init.lua
+++ b/mods/ITEMS/mcl_fences/init.lua
@@ -12,11 +12,11 @@ local z2 = {-1/16, 4/16, 2/16, 1/16, 7/16, 0.5}   --oben(quer) z
 local z22 = {-1/16, -2/16, 2/16, 1/16, 1/16, 0.5} --unten(quer) z
 
 -- Collision box
-local cp = {-2/16, -0.5, -2/16, 2/16, 1, 2/16}
-local cx1 = {-0.5, -2/16, -2/16, -2/16, 1, 2/16} --unten(quer) -x
-local cx2 = {2/16, -2/16, -2/16, 0.5, 1, 2/16} --unten(quer) x
-local cz1 = {-2/16, -2/16, -0.5, 2/16, 1, -2/16} --unten(quer) -z
-local cz2 = {-2/16, -2/16, 2/16, 2/16, 1, 0.5} --unten(quer) z
+local cp = {-2/16, -0.5, -2/16, 2/16, 1.01, 2/16}
+local cx1 = {-0.5, -2/16, -2/16, -2/16, 1.01, 2/16} --unten(quer) -x
+local cx2 = {2/16, -2/16, -2/16, 0.5, 1.01, 2/16} --unten(quer) x
+local cz1 = {-2/16, -2/16, -0.5, 2/16, 1.01, -2/16} --unten(quer) -z
+local cz2 = {-2/16, -2/16, 2/16, 2/16, 1.01, 0.5} --unten(quer) z
 
 mcl_fences = {}