Initial commit

games/devtest/mods/testnodes/light.lua

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+-- Test Nodes: Light test
+
+local S = minetest.get_translator("testnodes")
+
+-- All possible light levels
+for i=1, minetest.LIGHT_MAX do
+	minetest.register_node("testnodes:light"..i, {
+		description = S("Light Source (@1)", i),
+		paramtype = "light",
+		light_source = i,
+
+
+		tiles ={"testnodes_light_"..i..".png"},
+		drawtype = "glasslike",
+		walkable = false,
+		sunlight_propagates = true,
+		is_ground_content = false,
+		groups = {dig_immediate=3},
+	})
+end
+
+-- Lets light through, but not sunlight, leading to a
+-- reduction in light level when light passes through
+minetest.register_node("testnodes:sunlight_filter", {
+	description = S("Sunlight Filter") .."\n"..
+		S("Lets light through, but weakens sunlight"),
+	paramtype = "light",
+
+
+	drawtype = "glasslike",
+	tiles = {
+		"testnodes_sunlight_filter.png",
+	},
+	groups = { dig_immediate = 3 },
+})
+
+-- Lets light and sunlight through without obstruction
+minetest.register_node("testnodes:sunlight_propagator", {
+	description = S("Sunlight Propagator") .."\n"..
+		S("Lets all light through"),
+	paramtype = "light",
+	sunlight_propagates = true,
+
+
+	drawtype = "glasslike",
+	tiles = {
+		"testnodes_sunlight_filter.png^[brighten",
+	},
+	groups = { dig_immediate = 3 },
+})