85c96c8094
This makes it possible to lock optics against accidental rotation, which has been a problem.
92 lines
2.3 KiB
Lua
92 lines
2.3 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 prism_check(_, node, recv)
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local face = nodecore.facedirs[node.param2]
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if recv(face.t) or recv(face.b) then
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return modname .. ":prism_gated"
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end
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if recv(face.f) or recv(face.r) then
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return modname .. ":prism_on"
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end
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return modname .. ":prism"
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end
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local txr = modname .. "_glass_frost.png"
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local pact = modname .. "_port_active.png"
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local pout = modname .. "_port_output.png"
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local pinp = modname .. "_port_wide.png"
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local pina = modname .. "_port_wide_act.png"
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local shin = modname .. "_shine_end.png"
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local dark = modname .. "_port_input.png"
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local basedef = {
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description = "Prism",
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drawtype = "mesh",
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mesh = "nc_optics_prism.obj",
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selection_box = nodecore.fixedbox(
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{-7/16, -7/16, -7/16, 7/16, 7/16, 7/16}
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),
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tiles = {
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txr,
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txr .. "^" .. pout,
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txr .. "^" .. pinp
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},
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backface_culling = true,
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groups = {
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silica = 1,
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optic_check = 1,
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cracky = 3,
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silica_prism = 1,
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scaling_time = 125,
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optic_gluable = 1
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},
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silktouch = false,
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drop = modname .. ":prism",
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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 = prism_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.r)
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and vector.equals(a.r, b.f)
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end),
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sounds = nodecore.sounds("nc_optics_glassy")
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}
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local function reg(suff, def)
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minetest.register_node(modname .. ":prism" .. 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 Prism",
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tiles = {
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txr .. "^(" .. pact .. "^[opacity:96)",
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txr .. "^" .. pact .. "^" .. pout,
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txr .. "^" .. pinp .. "^" .. pina
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},
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light_source = 1,
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groups = {optic_source = 1},
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optic_source = function(_, node)
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local fd = nodecore.facedirs[node.param2]
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return {fd.k, fd.l}
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end
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})
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reg("_gated", {
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description = "Gated Prism",
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tiles = {
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txr .. "^" .. shin .. "^" .. pout,
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txr .. "^" .. shin .. "^" .. dark,
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txr .. "^" .. shin .. "^" .. dark
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},
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light_source = 1
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})
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