make it game agnostic

dyes-crafting.lua

@@ -87,19 +87,21 @@ for y = 1, 14 do -- colors 0 and 15 are black and white, default dyes
 	end
 end
 
-minetest.override_item("dye:grey", {
-	inventory_image = "unifieddyes_dye.png^[colorize:#888888:200",
-})
+if minetest.get_modpath("dye") then
+	minetest.override_item("dye:grey", {
+		inventory_image = "unifieddyes_dye.png^[colorize:#888888:200",
+	})
 
-minetest.override_item("dye:dark_grey", {
-	inventory_image = "unifieddyes_dye.png^[colorize:#444444:200",
-})
+	minetest.override_item("dye:dark_grey", {
+		inventory_image = "unifieddyes_dye.png^[colorize:#444444:200",
+	})
 
-minetest.register_craftitem(":dye:light_grey", {
-	description = S("Light grey Dye"),
-	inventory_image = "unifieddyes_dye.png^[colorize:#cccccc:200",
-	groups = { dye=1, not_in_creative_inventory=1 },
-})
+	minetest.register_craftitem(":dye:light_grey", {
+		description = S("Light grey Dye"),
+		inventory_image = "unifieddyes_dye.png^[colorize:#cccccc:200",
+		groups = { dye=1, not_in_creative_inventory=1 },
+	})
+end
 
 -- build a table of color <-> palette associations to reduce the need for
 -- realtime lookups with getpaletteidx()

mod.conf

@@ -1,4 +1,4 @@
 name = unifieddyes
 description = Unified Dyes expands the standard dye set from 15 to 90 colors.
-depends = default, dye, basic_materials
+optional_depends = default, dye, basic_materials
 min_minetest_version = 5.2.0