Add some simple experimental biomes for non-v6

mods/MAPGEN/mcl_biomes/depends.txt

@@ -0,0 +1,3 @@
+mcl_core
+mcl_farming
+mcl_flowers

mods/MAPGEN/mcl_biomes/init.lua

@@ -0,0 +1,233 @@
+
+--
+-- Register biomes
+-- EXPERIMENTAL!
+--
+
+-- All mapgens except mgv6 and singlenode
+
+local function register_biomes()
+
+	minetest.register_biome({
+		name = "ice_plains",
+		node_dust = "mcl_core:snow",
+		node_top = "mcl_core:dirt",
+		depth_top = 1,
+		node_filler = "mcl_core:dirt",
+		depth_filler = 3,
+		node_riverbed = "mcl_core:dirt",
+		depth_riverbed = 2,
+		y_min = 1,
+		y_max = 31000,
+		heat_point = 5,
+		humidity_point = 50,
+	})
+
+	minetest.register_biome({
+		name = "ice_plains2",
+		node_top = "mcl_core:snowblock",
+		depth_top = 1,
+		node_filler = "mcl_core:dirt",
+		depth_filler = 3,
+		node_riverbed = "mcl_core:dirt",
+		depth_riverbed = 2,
+		y_min = 1,
+		y_max = 31000,
+		heat_point = 0,
+		humidity_point = 50,
+	})
+
+	minetest.register_biome({
+		name = "plains",
+		node_top = "mcl_core:dirt_with_grass",
+		depth_top = 1,
+		node_filler = "mcl_core:dirt",
+		depth_filler = 3,
+		node_riverbed = "mcl_core:sand",
+		depth_riverbed = 2,
+		y_min = 1,
+		y_max = 31000,
+		heat_point = 40,
+		humidity_point = 50,
+	})
+
+	minetest.register_biome({
+		name = "beach",
+		node_top = "mcl_core:sand",
+		depth_top = 1,
+		node_filler = "mcl_core:sand",
+		depth_filler = 3,
+		node_riverbed = "mcl_core:sand",
+		depth_riverbed = 2,
+		y_min = 1,
+		y_max = 5,
+		heat_point = 40,
+		humidity_point = 50,
+	})
+
+	minetest.register_biome({
+		name = "desert",
+		node_top = "mcl_core:sand",
+		depth_top = 1,
+		node_filler = "mcl_core:sand",
+		depth_filler = 3,
+		node_riverbed = "mcl_core:sand",
+		depth_riverbed = 2,
+		y_min = 1,
+		y_max = 31000,
+		heat_point = 100,
+		humidity_point = 50,
+	})
+
+	minetest.register_biome({
+		name = "mesa",
+		node_top = "mcl_core:redsand",
+		depth_top = 1,
+		node_filler = "mcl_core:hardened_clay",
+		depth_filler = 3,
+		node_riverbed = "mcl_core:redsand",
+		depth_riverbed = 2,
+		y_min = 1,
+		y_max = 5,
+		heat_point = 100,
+		humidity_point = 50,
+	})
+
+	minetest.register_biome({
+		name = "mesa2",
+		node_top = "mcl_colorblocks:hardened_clay",
+		depth_top = 1,
+		node_filler = "mcl_colorblocks:hardened_clay_orange",
+		depth_filler = 1,
+		node_riverbed = "mcl_core:redsand",
+		depth_riverbed = 2,
+		y_min = 1,
+		y_max = 5,
+		heat_point = 100,
+		humidity_point = 50,
+	})
+
+
+	minetest.register_biome({
+		name = "underground",
+		y_min = -31000,
+		y_max = -113,
+		heat_point = 50,
+		humidity_point = 50,
+	})
+end
+
+
+-- All mapgens except mgv6
+
+local function register_grass_decoration(offset, scale)
+	minetest.register_decoration({
+		deco_type = "simple",
+		place_on = {"mcl_core:dirt_with_grass"},
+		sidelen = 16,
+		noise_params = {
+			offset = offset,
+			scale = scale,
+			spread = {x = 200, y = 200, z = 200},
+			seed = 329,
+			octaves = 3,
+			persist = 0.6
+		},
+		biomes = {"plains"},
+		y_min = 1,
+		y_max = 31000,
+		decoration = "mcl_core:tallgrass",
+	})
+end
+
+local function register_decorations()
+
+	-- Cactus
+
+	minetest.register_decoration({
+		deco_type = "simple",
+		place_on = {"mcl_core:sand", "mcl_oore:redsand"},
+		sidelen = 16,
+		noise_params = {
+			offset = -0.0003,
+			scale = 0.0009,
+			spread = {x = 200, y = 200, z = 200},
+			seed = 230,
+			octaves = 3,
+			persist = 0.6
+		},
+		biomes = {"desert"},
+		y_min = 5,
+		y_max = 31000,
+		decoration = "mcl_core:cactus",
+		height = 1,
+		height_max = 3,
+	})
+
+	-- Papyrus
+
+	minetest.register_decoration({
+		deco_type = "schematic",
+		place_on = {"mcl_core:dirt", "mcl_core:dirt_with_grass"},
+		sidelen = 16,
+		noise_params = {
+			offset = -0.3,
+			scale = 0.7,
+			spread = {x = 200, y = 200, z = 200},
+			seed = 354,
+			octaves = 3,
+			persist = 0.7
+		},
+		biomes = {"plains", "beach", "desert"},
+		y_min = 0,
+		y_max = 0,
+		decoration = "mcl_core:reeds",
+		height = 1,
+		height_max = 3,
+	})
+
+	-- Grasses
+
+	register_grass_decoration(-0.03,  0.09)
+	register_grass_decoration(-0.015, 0.075)
+	register_grass_decoration(0,      0.06)
+	register_grass_decoration(0.015,  0.045)
+	register_grass_decoration(0.03,   0.03)
+	register_grass_decoration(0.01, 0.05)
+	register_grass_decoration(0.03, 0.03)
+	register_grass_decoration(0.05, 0.01)
+	register_grass_decoration(0.07, -0.01)
+	register_grass_decoration(0.09, -0.03)
+
+	-- Dead bushes
+
+	minetest.register_decoration({
+		deco_type = "simple",
+		place_on = {"mcl_core:sand", "mcl_core:redsand"},
+		sidelen = 16,
+		noise_params = {
+			offset = 0,
+			scale = 0.02,
+			spread = {x = 200, y = 200, z = 200},
+			seed = 329,
+			octaves = 3,
+			persist = 0.6
+		},
+		biomes = {"desert"},
+		y_min = 2,
+		y_max = 31000,
+		decoration = "mcl_core:deadbush",
+		height = 1,
+	})
+
+end
+
+
+--
+-- Detect mapgen to select functions
+--
+local mg_name = minetest.get_mapgen_setting("mg_name")
+if mg_name ~= "v6" then
+	register_biomes()
+	register_decorations()
+end

mods/MAPGEN/mcl_mapgen_core/init.lua

@@ -260,7 +260,6 @@ minetest.register_ore({
 })
 
 local function register_mgv6_decorations()
-	minetest.clear_registered_decorations()
 
 	-- Sugar canes