59 lines
1.8 KiB
Lua
59 lines
1.8 KiB
Lua
-- LUALOCALS < ---------------------------------------------------------
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local math, minetest, nodecore, vector
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= math, minetest, nodecore, vector
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local math_floor
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= math.floor
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-- LUALOCALS > ---------------------------------------------------------
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local modname = minetest.get_current_modname()
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local nodes = {}
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local canreplace = {air = true}
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function nodecore.dynamic_light_node(level)
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level = math_floor(level)
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if level < 1 then level = 1 end
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if level > nodecore.light_sun - 1 then level = nodecore.light_sun - 1 end
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if nodes[level] then return nodes[level] end
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local name = modname .. ":light" .. level
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minetest.register_node(":" .. name, {
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drawtype = "airlike",
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paramtype = "light",
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light_source = level,
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pointable = false,
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walkable = false,
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buildable_to = true,
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on_timer = minetest.remove_node,
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groups = {dynamic_light = level}
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})
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nodes[level] = name
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canreplace[name] = true
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return name
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end
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minetest.register_alias("nc_torch:wield_light", nodecore.dynamic_light_node(8))
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local active_lights = {}
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nodecore.register_limited_abm({
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label = "dynamic light cleanup",
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interval = 1,
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chance = 1,
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nodenames = {"group:dynamic_light"},
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action = function(pos)
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local time = active_lights[minetest.hash_node_position(pos)] or 0
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if time >= nodecore.gametime - 2 then return end
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minetest.log("dynalight cleaned up at " .. minetest.pos_to_string(pos))
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return minetest.remove_node(pos)
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end
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})
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function nodecore.dynamic_light_add(pos, nodename, ttl)
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local name = minetest.get_node(pos).name
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if not canreplace[name] then return end
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if name ~= nodename then minetest.set_node(pos, {name = nodename}) end
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pos = vector.round(pos)
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active_lights[minetest.hash_node_position(pos)] = nodecore.gametime
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return minetest.get_node_timer(pos):start(ttl)
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end
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