spawn some more plants directly

dryplants/moregrass.lua

@@ -7,24 +7,36 @@
 -- Looked at code from:		default
 -----------------------------------------------------------------------------------------------
 
-biome_lib.register_on_generate(
-	{
-		surface = {
-			"default:dirt_with_grass",
-			"stoneage:grass_with_silex",
-			"sumpf:peat",
-			"sumpf:sumpf"
-		},
-		max_count = TALL_GRASS_PER_MAPBLOCK,
-		rarity = 101 - TALL_GRASS_RARITY,
-		min_elevation = 1, -- above sea level
-		plantlife_limit = -0.9,
-		check_air = true,
-	},
-	{	"default:grass_1",
+minetest.register_decoration({
+	decoration = {
+		"default:grass_1",
 		"default:grass_2",
 		"default:grass_3",
 		"default:grass_4",
 		"default:grass_5"
-	}
-)
+	},
+	place_on = {
+		"default:dirt_with_grass",
+		"stoneage:grass_with_silex",
+		"sumpf:peat",
+		"sumpf:sumpf"
+	},
+	noise_params = {
+		persist = 0.6,
+		flags = "absvalue",
+		lacunarity = 2,
+		offset = 0,
+		scale = 0.74,
+		spread = {
+			z = 100,
+			x = 100,
+			y = 100
+		},
+		seed = 0,
+		octaves = 3
+	},
+	flags = "all_floors",
+	deco_type = "simple",
+	y_min = 1,
+	y_max = 48
+})