36 lines
1.0 KiB
Lua
36 lines
1.0 KiB
Lua
local function is_mapblock_grid_pos(pos)
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return (pos.x % 16 == 0) and (pos.y % 16 == 0) and (pos.z % 16 == 0)
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end
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minetest.register_on_placenode(function(pos, newnode, placer)
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if newnode.name ~= "protector:protect" then
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return
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end
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if is_mapblock_grid_pos(pos) then
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return
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end
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minetest.remove_node(pos)
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if placer and placer:is_player() then
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local player_name = placer:get_player_name()
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if not minetest.is_creative_enabled(player_name) then
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local refund = ItemStack("protector:protect")
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local inv = placer:get_inventory()
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if inv and inv:room_for_item("main", refund) then
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inv:add_item("main", refund)
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else
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minetest.add_item(vector.offset(pos, 0, 1, 0), refund)
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end
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end
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minetest.chat_send_player(
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player_name,
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"Protector placement failed: place only at coordinates divisible by 16."
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)
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end
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end)
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