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MineClone2/mods/ENTITIES/mcl_wither_spawning/init.lua

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Lua
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local dim = {"x", "z"}
local modpath = minetest.get_modpath(minetest.get_current_modname())
local function load_schem(filename)
local file = io.open(modpath .. "/schems/" .. filename, "r")
local data = minetest.deserialize(file:read())
file:close()
return data
end
local wither_spawn_schems = {}
for _, d in pairs(dim) do
wither_spawn_schems[d] = load_schem("wither_spawn_" .. d .. ".we")
end
local function check_schem(pos, schem)
for _, n in pairs(schem) do
if minetest.get_node(vector.add(pos, n)).name ~= n.name then
return false
end
end
return true
end
local function remove_schem(pos, schem)
for _, n in pairs(schem) do
minetest.remove_node(vector.add(pos, n))
end
end
local function wither_spawn(pos)
for _, d in pairs(dim) do
for i = 0, 2 do
local p = vector.add(pos, {x = 0, y = -2, z = 0, [d] = -i})
local schem = wither_spawn_schems[d]
if check_schem(p, schem) then
remove_schem(p, schem)
minetest.add_entity(vector.add(p, {x = 0, y = 1, z = 0, [d] = 1}), "mobs_mc:wither")
end
end
end
end
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local wither_head = minetest.registered_nodes["mcl_heads:wither_skeleton"]
local old_on_place = wither_head.on_place
function wither_head.on_place(itemstack, placer, pointed)
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minetest.after(0, wither_spawn, pointed.above)
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old_on_place(itemstack, placer, pointed)
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end