33 lines
681 B
Lua
33 lines
681 B
Lua
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-- id -> true
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local active_entities = {}
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minetest.register_entity("building_lib:display", {
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initial_properties = {
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physical = false,
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static_save = false,
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collisionbox = {0, 0, 0, 0, 0, 0},
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visual = "upright_sprite",
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visual_size = {x=10, y=10},
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glow = 10
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},
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on_step = function(self)
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if not active_entities[self.id] then
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-- not valid anymore
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self.object:remove()
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end
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end
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})
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function building_lib.add_entity(pos, id)
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active_entities[id] = true
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local ent = minetest.add_entity(pos, "building_lib:display")
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local luaent = ent:get_luaentity()
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luaent.id = id
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return ent
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end
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function building_lib.remove_entities(id)
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active_entities[id] = nil
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end
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