Add blueberry bushes

mods/default/mapgen.lua

@@ -1964,6 +1964,29 @@ function default.register_decorations()
 		flags = "place_center_x, place_center_z",
 	})
 
+	-- Blueberry bush
+
+	minetest.register_decoration({
+		name = "default:blueberry_bush",
+		deco_type = "schematic",
+		place_on = {"default:dirt_with_grass", "default:dirt_with_snow"},
+		sidelen = 16,
+		noise_params = {
+			offset = -0.004,
+			scale = 0.01,
+			spread = {x = 100, y = 100, z = 100},
+			seed = 697,
+			octaves = 3,
+			persist = 0.7,
+		},
+		biomes = {"grassland", "snowy_grassland"},
+		y_max = 31000,
+		y_min = 1,
+		place_offset_y = 1,
+		schematic = minetest.get_modpath("default") .. "/schematics/blueberry_bush.mts",
+		flags = "place_center_x, place_center_z",
+	})
+
 	-- Acacia bush
 
 	minetest.register_decoration({