88 lines
2.1 KiB
Lua
88 lines
2.1 KiB
Lua
-- LUALOCALS < ---------------------------------------------------------
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local minetest, nodecore, vector
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= minetest, nodecore, vector
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-- LUALOCALS > ---------------------------------------------------------
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local modname = minetest.get_current_modname()
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local function lens_check(pos, node, check)
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local face = nodecore.facedirs[node.param2]
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if check(face.k) then
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nodecore.node_change(pos, node, modname .. ":lens_glow")
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return
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end
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local fore = vector.add(pos, face.f)
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local ll = minetest.get_node_light(fore)
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local on = ll >= 15 and face.f.y == 1
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if not on then
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local node = minetest.get_node(fore)
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local def = minetest.registered_items[node.name]
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on = def and def.light_source and def.light_source > 4
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end
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if on then
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nodecore.node_change(pos, node, modname .. ":lens_on")
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return {face.k}
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end
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nodecore.node_change(pos, node, modname .. ":lens")
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end
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local txr = modname .. "_glass_frost.png"
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local basedef = {
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description = "Lens",
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drawtype = "nodebox",
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node_box = nodecore.fixedbox(
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{-0.5, -0.5, -3/8, 0.25, -0.25, 1/8},
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{-0.25, 0.25, -3/8, 0.5, 0.5, 1/8},
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{-0.5, -0.25, -3/8, -0.25, 0.5, 1/8},
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{0.25, -0.5, -3/8, 0.5, 0.25, 1/8},
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{-0.25, -0.25, -1/8, 0.25, 0.25, 0.25}
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),
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tiles = {
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txr,
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txr,
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txr,
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txr,
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txr .. "^" .. modname .. "_lens_out.png",
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txr .. "^" .. modname .. "_lens_in.png",
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},
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groups = {
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optic_check = 1,
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cracky = 3
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},
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drop = modname .. ":lens",
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on_construct = nodecore.optic_check,
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on_destruct = nodecore.optic_check,
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on_spin = nodecore.optic_check,
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optic_check = lens_check,
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paramtype = "light",
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paramtype2 = "facedir",
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on_rightclick = nodecore.node_spin_filtered(function(a, b)
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return vector.equals(a.f, b.f)
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end)
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}
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local function reg(suff, def)
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minetest.register_node(modname .. ":lens" .. suff,
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nodecore.underride(def, basedef))
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end
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reg("", {})
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reg("_on", {
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description = "Active Lens",
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light_source = 2
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})
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reg("_glow", {
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description = "Shining Lens",
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light_source = 12,
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tiles = {
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txr,
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txr,
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txr,
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txr,
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txr .. "^" .. modname .. "_lens_in.png",
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txr .. "^" .. modname .. "_lens_out.png",
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},
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})
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