From 1c67f9aaccf9483a40a5a507b5f81ef629d8b54f Mon Sep 17 00:00:00 2001
From: Wuzzy <almikes@aol.com>
Date: Fri, 10 Feb 2017 05:33:49 +0100
Subject: [PATCH] Improve fence connection logic

---
 API.md                   |  4 ++++
 mods/mcl_fences/init.lua | 11 +++++++----
 2 files changed, 11 insertions(+), 4 deletions(-)

diff --git a/API.md b/API.md
index d34f59799..884941df7 100644
--- a/API.md
+++ b/API.md
@@ -55,6 +55,10 @@ These groups are used mostly for informational purposes
     * `liquid=1`: Unspecified type
     * `liquid=2`: Water
     * `liquid=3`: Lava
+* `fence=1`: Fence
+* `fence_gate=1`: Fence gate
+* `fence_wood=1`: Wooden fence
+* `fence_nether_brick=1`: Nether brick fence
 * `clock=1`: Clock
 * `compass`: Compass (rating doesn't matter)
 * `book=1`: Book
diff --git a/mods/mcl_fences/init.lua b/mods/mcl_fences/init.lua
index f0070b16d..326d68f2e 100644
--- a/mods/mcl_fences/init.lua
+++ b/mods/mcl_fences/init.lua
@@ -24,10 +24,12 @@ mcl_fences.register_fence = function(id, fence_name, fence_gate_name, texture, f
 	groups.fence = 1
 	groups.deco_block = 1
 	if connects_to == nil then connects_to = {} end
+	local fence_id = minetest.get_current_modname()..":"..id
 	table.insert(connects_to, "group:solid")
-	table.insert(connects_to, "group:fence")
+	table.insert(connects_to, "group:fence_gate")
+	table.insert(connects_to, fence_id)
 	local id_gate = id .. "_gate"
-	minetest.register_node(minetest.get_current_modname()..":"..id, {
+	minetest.register_node(fence_id, {
 		description = fence_name,
 		tiles = {texture},
 		inventory_image = "mcl_fences_fence_mask.png^" .. texture .. "^mcl_fences_fence_mask.png^[makealpha:255,126,126",
@@ -89,6 +91,7 @@ mcl_fences.register_fence = function(id, fence_name, fence_gate_name, texture, f
 	end
 
 	groups.mesecon_effector_on = 1
+	groups.fence_gate = 1
 	minetest.register_node(minetest.get_current_modname()..":"..id_gate.."_open", {
 		tiles = {texture},
 		paramtype = "light",
@@ -190,7 +193,7 @@ mcl_fences.register_fence = function(id, fence_name, fence_gate_name, texture, f
 end
 
 local wood_groups = {snappy=1,choppy=2,oddly_breakable_by_hand=2,flammable=2,fence_wood=1}
-local wood_connect = {}
+local wood_connect = {"group:fence_wood"}
 local wood_sounds = mcl_core.node_sound_wood_defaults()
 
 local woods = {
@@ -231,7 +234,7 @@ for w=1, #woods do
 end
 
 -- Nether Brick Fence (without fence gate!)
-mcl_fences.register_fence("nether_brick_fence", "Nether Brick Fence", nil, "mcl_nether_nether_brick.png", "default_fence.png", nil, {cracky=2, deco_block=1}, {}, mcl_core.node_sound_stone_defaults())
+mcl_fences.register_fence("nether_brick_fence", "Nether Brick Fence", nil, "mcl_nether_nether_brick.png", "default_fence.png", nil, {cracky=2, deco_block=1, fence_nether_brick=1}, {"group:fence_nether_brick"}, mcl_core.node_sound_stone_defaults())
 
 minetest.register_craft({
 	output = 'mcl_fences:nether_brick_fence 6',