From da66780a569712c23ae4f2996cfb4608a9f9d69d Mon Sep 17 00:00:00 2001
From: Vanessa Ezekowitz <vanessaezekowitz@gmail.com>
Date: Fri, 1 Apr 2016 20:02:19 -0400
Subject: copy all standard Dreambuilder mods in from the old subgame (exactly
 as last supplied there, updates to these mods will follow later)

---
 castle/jailbars.lua | 113 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 113 insertions(+)
 create mode 100644 castle/jailbars.lua

(limited to 'castle/jailbars.lua')

diff --git a/castle/jailbars.lua b/castle/jailbars.lua
new file mode 100644
index 0000000..2bc6d66
--- /dev/null
+++ b/castle/jailbars.lua
@@ -0,0 +1,113 @@
+-- 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"},
+		{"default:steel_ingot","default:steel_ingot","default:steel_ingot"},
+		{"default:steel_ingot","","default:steel_ingot"},
+	}
+})
+
-- 
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