Tweak grass/fern mapgen

mods/MAPGEN/mcl_mapgen_core/init.lua

@@ -547,25 +547,44 @@ local function register_mgv6_decorations()
 	        height_max = 3,
 	})
 
-	-- Tall grasses
-
+	-- Tall grass
 	minetest.register_decoration({
 		deco_type = "simple",
 		place_on = {"mcl_core:dirt_with_grass"},
 		sidelen = 8,
 		noise_params = {
 			offset = 0,
-			scale = 0.05,
-			spread = {x = 50, y = 50, z = 50},
+			scale = 0.3,
+			spread = {x = 500, y = 500, z = 500},
 			seed = 420,
 			octaves = 2,
 			persist = 0.6
 		},
 		y_min = 1,
-		y_max = 30,
+		y_max = 50,
 		decoration = "mcl_flowers:tallgrass",
 	})
 
+	-- Ferns
+	minetest.register_decoration({
+		deco_type = "simple",
+		place_on = {"mcl_core:dirt_with_grass"},
+		sidelen = 16,
+		noise_params = {
+			offset = -0.013,
+			scale = 0.020,
+			spread = {x = 100, y = 100, z = 100},
+			seed = 16,
+			octaves = 4,
+			persist = 0.6
+		},
+		y_min = 1,
+		y_max = 30,
+		decoration = "mcl_flowers:fern",
+	})
+
+
+
 	-- Dead bushes
 
 	minetest.register_decoration({

mods/MAPGEN/mcl_mapgen_plants/init.lua

@@ -46,7 +46,7 @@ minetest.register_on_generated(function(minp, maxp, seed)
 								flower = "mcl_flowers:dandelion"
 								minetest.set_node(p, {name=flower})
 							elseif flower_choice == 2 then
-								flower = "mcl_flowers:fern"
+								flower = "mcl_flowers:tallgrass"
 								minetest.set_node(p, {name=flower})
 							elseif flower_choice == 3 then
 								flower = "mcl_flowers:oxeye_daisy"