tweak for error in nodes.lua of xdeco and readd xpanes.

mods/xdecor/nodes.lua

@@ -1,6 +1,7 @@
 screwdriver = screwdriver or {}
 
 function xdecor.register_pane(name, desc, def)
+	--[[
 	xpanes.register_pane(name, {
 		description = desc,
 		tiles = {"xdecor_"..name..".png"},
@@ -13,6 +14,7 @@ function xdecor.register_pane(name, desc, def)
 		sounds = def.sounds or default.node_sound_defaults(),
 		recipe = def.recipe
 	})
+	--]]
 end
 
 xdecor.register_pane("bamboo_frame", "Bamboo Frame", {
@@ -487,4 +489,3 @@ xdecor.register("woodframed_glass", {
 	groups = {cracky=2, oddly_breakable_by_hand=1},
 	sounds = default.node_sound_glass_defaults()
 })
-

mods/xpanes/init.lua

@@ -0,0 +1,111 @@
+-- xPanes mod by xyz
+
+local function rshift(x, by)
+  return math.floor(x / 2 ^ by)
+end
+
+local directions = {
+    {x = 1, y = 0, z = 0},
+    {x = 0, y = 0, z = 1},
+    {x = -1, y = 0, z = 0},
+    {x = 0, y = 0, z = -1},
+}
+
+local function update_pane(pos)
+    if minetest.env:get_node(pos).name:find("xpanes:pane") == nil then
+        return
+    end
+    local sum = 0
+    for i = 1, 4 do
+        local node = minetest.env:get_node({x = pos.x + directions[i].x, y = pos.y + directions[i].y, z = pos.z + directions[i].z})
+        if minetest.registered_nodes[node.name].walkable ~= false then
+            sum = sum + 2 ^ (i - 1)
+        end
+    end
+    if sum == 0 then
+        sum = 15
+    end
+    minetest.env:add_node(pos, {name = "xpanes:pane_"..sum})
+end
+
+local function update_nearby(pos)
+    for i = 1,4 do
+        update_pane({x = pos.x + directions[i].x, y = pos.y + directions[i].y, z = pos.z + directions[i].z})
+    end
+end
+
+local half_blocks = {
+    {0, -0.5, -0.06, 0.5, 0.5, 0.06},
+    {-0.06, -0.5, 0, 0.06, 0.5, 0.5},
+    {-0.5, -0.5, -0.06, 0, 0.5, 0.06},
+    {-0.06, -0.5, -0.5, 0.06, 0.5, 0}
+}
+
+local full_blocks = {
+    {-0.5, -0.5, -0.06, 0.5, 0.5, 0.06},
+    {-0.06, -0.5, -0.5, 0.06, 0.5, 0.5}
+}
+
+for i = 1, 15 do
+    local need = {}
+    local cnt = 0
+    for j = 1, 4 do
+        if rshift(i, j - 1) % 2 == 1 then
+            need[j] = true
+            cnt = cnt + 1
+        end
+    end
+    local take = {}
+    if need[1] == true and need[3] == true then
+        need[1] = nil
+        need[3] = nil
+        table.insert(take, full_blocks[1])
+    end
+    if need[2] == true and need[4] == true then
+        need[2] = nil
+        need[4] = nil
+        table.insert(take, full_blocks[2])
+    end
+    for k in pairs(need) do
+        table.insert(take, half_blocks[k])
+    end
+    local texture = "xpanes_pane.png"
+    if cnt == 1 then
+        texture = "xpanes_pane_half.png"
+    end
+    minetest.register_node("xpanes:pane_"..i, {
+        drawtype = "nodebox",
+        tile_images = {"xpanes_white.png", "xpanes_white.png", texture},
+        paramtype = "light",
+        groups = {snappy=2,cracky=3,oddly_breakable_by_hand=3},
+        drop = "xpanes:pane",
+        node_box = {
+            type = "fixed",
+            fixed = take
+        },
+        selection_box = {
+            type = "fixed",
+            fixed = take
+        }
+    })
+end
+
+minetest.register_node("xpanes:pane", {
+    description = "Glass Pane",
+    tile_images = {"xpanes_space.png"},
+    inventory_image = "xpanes_pane.png",
+    wield_image = "xpanes_pane.png",
+    node_placement_prediction = "",
+    on_construct = update_pane
+})
+
+minetest.register_on_placenode(update_nearby)
+minetest.register_on_dignode(update_nearby)
+
+minetest.register_craft({
+	output = 'xpanes:pane 16',
+	recipe = {
+		{'default:glass', 'default:glass', 'default:glass'},
+        {'default:glass', 'default:glass', 'default:glass'}
+	}
+})