up to 256 colors of glider with only one recipe

.luacheckrc

@@ -7,4 +7,5 @@ read_globals = {
 	"vector", "ItemStack",
 
 	"player_monoids",
+	"unifieddyes",
 }

crafts.lua

@@ -0,0 +1,101 @@
+
+local get_dye_color
+if minetest.get_modpath("unifieddyes") then
+	get_dye_color = unifieddyes.get_color_from_dye_name
+else
+	local colors = {
+		white      = "ffffff",
+		grey       = "888888",
+		dark_grey  = "444444",
+		black      = "111111",
+		violet     = "8000ff",
+		blue       = "0000ff",
+		cyan       = "00ffff",
+		dark_green = "005900",
+		green      = "00ff00",
+		yellow     = "ffff00",
+		brown      = "592c00",
+		orange     = "ff7f00",
+		red        = "ff0000",
+		magenta    = "ff00ff",
+		pink       = "ff7f9f",
+	}
+	get_dye_color = function(name)
+		local color = string.match(name, "^dye:(%w+)$")
+		if color then
+			return colors[color]
+		end
+	end
+end
+
+local function get_color_name(name)
+	name = string.gsub(name, "^dye:", "")
+	name = string.gsub(name, "_", " ")
+	name = string.gsub(name, "(%l)(%w*)", function(a, b) return string.upper(a)..b end)
+	return name
+end
+
+-- This recipe is just a placeholder
+do
+	local item = ItemStack("hangglider:hangglider")
+	item:get_meta():set_string("description", "Colored Glider")
+	minetest.register_craft({
+		output = item:to_string(),
+		recipe = {"hangglider:hangglider", "group:dye"},
+		type = "shapeless",
+	})
+end
+
+-- This is what actually creates the colored hangglider
+minetest.register_on_craft(function(crafted_item, _, old_craft_grid)
+	if crafted_item:get_name() ~= "hangglider:hangglider" then
+		return
+	end
+	local wear, color, color_name
+	for _,stack in ipairs(old_craft_grid) do
+		local name = stack:get_name()
+		if name == "hangglider:hangglider" then
+			wear = stack:get_wear()
+		elseif minetest.get_item_group(name, "dye") ~= 0 then
+			color = get_dye_color(name)
+			color_name = get_color_name(name)
+		end
+	end
+	if wear and color and color_name then
+		if color == "ffffff" then
+			return ItemStack({name = "hangglider:hangglider", wear = wear})
+		end
+		local meta = crafted_item:get_meta()
+		meta:set_string("description", color_name.." Glider")
+		meta:set_string("inventory_image", "hangglider_item.png^(hangglider_color.png^[multiply:#"..color..")")
+		meta:set_string("hangglider_color", color)
+		crafted_item:set_wear(wear)
+		return crafted_item
+	end
+end)
+
+-- Repairing
+minetest.register_craft({
+	output = "hangglider:hangglider",
+	recipe = {
+		{"default:paper", "default:paper", "default:paper"},
+		{"default:paper", "hangglider:hangglider", "default:paper"},
+		{"default:paper", "default:paper", "default:paper"},
+	},
+})
+minetest.register_craft({
+	output = "hangglider:hangglider",
+	recipe = {
+		{"hangglider:hangglider", "wool:white"},
+	},
+})
+
+-- Main craft
+minetest.register_craft({
+	output = "hangglider:hangglider",
+	recipe = {
+		{"wool:white", "wool:white", "wool:white"},
+		{"default:stick", "", "default:stick"},
+		{"", "default:stick", ""},
+	}
+})

init.lua

@@ -181,6 +181,12 @@ local function hangglider_use(stack, player)
 		local entity = minetest.add_entity(pos, "hangglider:glider")
 		if entity then
 			entity:set_attach(player, "", vector.new(0, 10, 0), vector.new(0, 0, 0))
+			local color = stack:get_meta():get("hangglider_color")
+			if color then
+				entity:set_properties({
+					textures = {"wool_white.png^[multiply:#"..color, "default_wood.png"}
+				})
+			end
 			set_hud_overlay(player, name, "hangglider_overlay.png")
 			set_physics_overrides(player, {jump = 0, gravity = 0.25})
 			hanggliding_players[name] = true
@@ -236,27 +242,4 @@ minetest.register_tool("hangglider:hangglider", {
 	on_use = hangglider_use,
 })
 
-minetest.register_craft({
-	output = "hangglider:hangglider",
-	recipe = {
-		{"default:paper", "default:paper", "default:paper"},
-		{"default:paper", "hangglider:hangglider", "default:paper"},
-		{"default:paper", "default:paper", "default:paper"},
-	},
-})
-
-minetest.register_craft({
-	output = "hangglider:hangglider",
-	recipe = {
-		{"hangglider:hangglider", "wool:white"},
-	},
-})
-
-minetest.register_craft({
-	output = "hangglider:hangglider",
-	recipe = {
-		{"wool:white", "wool:white", "wool:white"},
-		{"default:stick", "", "default:stick"},
-		{"", "default:stick", ""},
-	}
-})
+dofile(minetest.get_modpath("hangglider").."/crafts.lua")

mod.conf

@@ -1,4 +1,4 @@
 name = hangglider
-depends = default, wool
-optional_depends = areas, player_monoids
+depends = default, wool, dye
+optional_depends = areas, player_monoids, unifieddyes
 min_minetest_version = 5.0