Add sugar cane colorisation

mods/ITEMS/mcl_core/functions.lua

@@ -773,8 +773,7 @@ end
 
 local grass_spread_randomizer = PseudoRandom(minetest.get_mapgen_setting("seed"))
 
--- Return appropriate grass block node for pos
-function mcl_core.get_grass_block_type(pos)
+function mcl_core.get_grass_palette_index(pos)
 	local biome_data = minetest.get_biome_data(pos)
 	local index = 0
 	if biome_data then
@@ -785,7 +784,12 @@ function mcl_core.get_grass_block_type(pos)
 			index = reg_biome._mcl_palette_index
 		end
 	end
-	return {name="mcl_core:dirt_with_grass", param2=index}
+	return index
+end
+
+-- Return appropriate grass block node for pos
+function mcl_core.get_grass_block_type(pos)
+	return {name = "mcl_core:dirt_with_grass", param2 = mcl_core.get_grass_palette_index(pos)}
 end
 
 ------------------------------

mods/ITEMS/mcl_core/nodes_cactuscane.lua

@@ -53,7 +53,10 @@ minetest.register_node("mcl_core:reeds", {
 	_doc_items_longdesc = S("Sugar canes are a plant which has some uses in crafting. Sugar canes will slowly grow up to 3 blocks when they are next to water and are placed on a grass block, dirt, sand, red sand, podzol or coarse dirt. When a sugar cane is broken, all sugar canes connected above will break as well."),
 	_doc_items_usagehelp = S("Sugar canes can only be placed top of other sugar canes and on top of blocks on which they would grow."),
 	drawtype = "plantlike",
+	paramtype2 = "color",
 	tiles = {"default_papyrus.png"},
+	palette = "mcl_core_palette_grass.png",
+	palette_index = 0,
 	inventory_image = "mcl_core_reeds.png",
 	wield_image = "mcl_core_reeds.png",
 	paramtype = "light",
@@ -79,6 +82,7 @@ minetest.register_node("mcl_core:reeds", {
 	groups = {dig_immediate=3, craftitem=1, deco_block=1, plant=1, non_mycelium_plant=1, dig_by_piston=1},
 	sounds = mcl_sounds.node_sound_leaves_defaults(),
 	node_placement_prediction = "",
+	drop = "mcl_core:reeds", -- to prevent color inheritation
 	on_place = mcl_util.generate_on_place_plant_function(function(place_pos, place_node)
 		local soil_pos = {x=place_pos.x, y=place_pos.y-1, z=place_pos.z}
 		local soil_node = minetest.get_node_or_nil(soil_pos)
@@ -114,6 +118,15 @@ minetest.register_node("mcl_core:reeds", {
 		return false
 
 	end),
+	on_construct = function(pos)
+		local node = minetest.get_node(pos)
+		if node.param2 == 0 then
+			node.param2 = mcl_core.get_grass_palette_index(pos)
+			if node.param2 ~= 0 then
+				minetest.set_node(pos, node)
+			end
+		end
+	end,
 	_mcl_blast_resistance = 0,
 	_mcl_hardness = 0,
 })