114 lines
2.9 KiB
Lua
114 lines
2.9 KiB
Lua
-- xjailbarss mod by xyz
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local function rshift(x, by)
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return math.floor(x / 2 ^ by)
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end
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local directions = {
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{x = 1, y = 0, z = 0},
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{x = 0, y = 0, z = 1},
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{x = -1, y = 0, z = 0},
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{x = 0, y = 0, z = -1},
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}
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local function update_jailbars(pos)
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if minetest.env:get_node(pos).name:find("castle:jailbars") == nil then
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return
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end
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local sum = 0
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for i = 1, 4 do
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local node = minetest.env:get_node({x = pos.x + directions[i].x, y = pos.y + directions[i].y, z = pos.z + directions[i].z})
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if minetest.registered_nodes[node.name].walkable ~= false then
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sum = sum + 2 ^ (i - 1)
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end
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end
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if sum == 0 then
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sum = 15
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end
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minetest.env:add_node(pos, {name = "castle:jailbars_"..sum})
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end
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local function update_nearby(pos)
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for i = 1,4 do
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update_jailbars({x = pos.x + directions[i].x, y = pos.y + directions[i].y, z = pos.z + directions[i].z})
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end
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end
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local half_blocks = {
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{0, -0.5, -0.06, 0.5, 0.5, 0.06},
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{-0.06, -0.5, 0, 0.06, 0.5, 0.5},
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{-0.5, -0.5, -0.06, 0, 0.5, 0.06},
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{-0.06, -0.5, -0.5, 0.06, 0.5, 0}
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}
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local full_blocks = {
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{-0.5, -0.5, -0.06, 0.5, 0.5, 0.06},
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{-0.06, -0.5, -0.5, 0.06, 0.5, 0.5}
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}
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for i = 1, 15 do
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local need = {}
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local cnt = 0
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for j = 1, 4 do
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if rshift(i, j - 1) % 2 == 1 then
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need[j] = true
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cnt = cnt + 1
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end
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end
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local take = {}
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if need[1] == true and need[3] == true then
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need[1] = nil
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need[3] = nil
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table.insert(take, full_blocks[1])
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end
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if need[2] == true and need[4] == true then
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need[2] = nil
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need[4] = nil
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table.insert(take, full_blocks[2])
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end
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for k in pairs(need) do
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table.insert(take, half_blocks[k])
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end
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local texture = "castle_jailbars.png"
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if cnt == 1 then
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texture = "castle_jailbars.png"
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end
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minetest.register_node("castle:jailbars_"..i, {
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drawtype = "nodebox",
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tile_images = {"castle_grey.png", "castle_grey.png", texture},
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paramtype = "light",
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groups = {cracky=2},
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drop = "castle:jailbars",
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node_box = {
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type = "fixed",
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fixed = take
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},
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selection_box = {
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type = "fixed",
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fixed = take
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}
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})
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end
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minetest.register_node("castle:jailbars", {
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description = "Jailbars",
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tile_images = {"castle_space.png"},
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inventory_image = "castle_jailbars.png",
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wield_image = "castle_jailbars.png",
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node_placement_prediction = "",
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on_construct = update_jailbars
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})
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minetest.register_on_placenode(update_nearby)
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minetest.register_on_dignode(update_nearby)
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minetest.register_craft({
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output = "castle:jailbars 12",
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recipe = {
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{"default:steel_ingot","","default:steel_ingot"},
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{"default:steel_ingot","default:steel_ingot","default:steel_ingot"},
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{"default:steel_ingot","","default:steel_ingot"},
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}
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})
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