simplify jailbar nodes

register xpanes:jailbars
add xpanes to depends.txt

depends.txt

@@ -6,3 +6,4 @@ building_blocks?
 asphalt?
 streets?
 moreblocks?
+xpanes?

jailbars.lua

@@ -1,113 +1,16 @@
--- xjailbarss 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_jailbars(pos)
-    if minetest.get_node(pos).name:find("castle:jailbars") == nil then
-        return
-    end
-    local sum = 0
-    for i = 1, 4 do
-        local node = minetest.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.add_node(pos, {name = "castle:jailbars_"..sum})
-end
-
-local function update_nearby(pos)
-    for i = 1,4 do
-        update_jailbars({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 = "castle_jailbars.png"
-    if cnt == 1 then
-        texture = "castle_jailbars.png"
-    end
-    minetest.register_node("castle:jailbars_"..i, {
-        drawtype = "nodebox",
-        tiles = {"castle_grey.png", "castle_grey.png", texture},
-        paramtype = "light",
-        groups = {cracky=2},
-        drop = "castle:jailbars",
-        node_box = {
-            type = "fixed",
-            fixed = take
-        },
-        selection_box = {
-            type = "fixed",
-            fixed = take
-        }
-    })
-end
-
-minetest.register_node("castle:jailbars", {
-    description = "Jailbars",
-    tiles = {"castle_space.png"},
-    inventory_image = "castle_jailbars.png",
-    wield_image = "castle_jailbars.png",
-    node_placement_prediction = "",
-    on_construct = update_jailbars
-})
-
-minetest.register_on_placenode(update_nearby)
-minetest.register_on_dignode(update_nearby)
-
-minetest.register_craft({
-	output = "castle:jailbars 12",
-	recipe = {
-		{"default:steel_ingot","","default:steel_ingot"},
+if minetest.get_modpath("xpanes") then
+	xpanes.register_pane("jailbars", {
+		description = "Jail Bars",
+		tiles = {"castle_jailbars.png"},
+		drawtype = "airlike",
+		paramtype = "light",
+		textures = {"castle_jailbars.png", "castle_jailbars.png", "xpanes_space.png"},
+		inventory_image = "castle_jailbars.png",
+		wield_image = "castle_jailbars.png",
+  sounds = default.node_sound_stone_defaults(),
+  groups = {cracky=1, pane=1},
+  recipe = {{"default:steel_ingot","","default:steel_ingot"},
 		{"default:steel_ingot","default:steel_ingot","default:steel_ingot"},
-		{"default:steel_ingot","","default:steel_ingot"},
-	}
-})
-
+		{"default:steel_ingot","","default:steel_ingot"}}
+	})
+end