Put all the extra lua files in a src directory.

(This cleans up the folder for users, who don't want to see all those
strange files)

src/mapgen_v7.lua

@@ -0,0 +1,147 @@
+minetest.register_biome({
+	name           = "snow_biome_default",
+
+	node_top       = "default:dirt_with_snow",
+	depth_top      = 1,
+	node_filler    = "default:dirt",
+	depth_filler   = 2,
+
+	height_min     = snow.min_height,
+	height_max     = snow.min_height+60,
+	heat_point     = 10.0,
+	humidity_point = 40.0,
+})
+
+minetest.register_biome({
+	name           = "snow_biome_forest",
+
+	node_top       = "default:dirt_with_snow",
+	depth_top      = 1,
+	node_filler    = "default:dirt",
+	depth_filler   = 2,
+
+	height_min     = snow.min_height,
+	height_max     = snow.min_height+60,
+	heat_point     = 10.0,
+	humidity_point = 55.0,
+})
+
+minetest.register_biome({
+	name           = "snow_biome_lush",
+
+	node_top       = "default:dirt_with_snow",
+	depth_top      = 1,
+	node_filler    = "default:dirt",
+	depth_filler   = 2,
+
+	height_min     = snow.min_height,
+	height_max     = snow.min_height+60,
+	heat_point     = 10.0,
+	humidity_point = 70.0,
+})
+
+minetest.register_biome({
+	name           = "snow_biome_alpine",
+
+	node_top       = "default:stone",
+	depth_top      = 1,
+	node_filler    = "default:stone",
+
+	height_min     = snow.min_height+60,
+	height_max     = 31000,
+	heat_point     = 10.0,
+	humidity_point = 40.0,
+})
+
+minetest.register_biome({
+	name           = "base_normal",
+	
+	height_min     = 3,
+	height_max     = 40,
+	heat_point     = 40.0,
+	humidity_point = 40.0,
+})
+
+minetest.register_biome({
+	name           = "snow_biome_sand",
+	
+	node_top       = "default:sand",
+	depth_top      = 3,
+	node_filler    = "default:stone",
+	depth_filler   = 0,
+	
+	height_min     = -31000,
+	height_max     = 2,
+	heat_point     = 10.0,
+	humidity_point = 40.0,
+})
+
+
+--Pine tree.
+minetest.register_decoration({
+	deco_type = "schematic",
+	place_on = "default:dirt_with_snow",
+	sidelen = 16,
+	fill_ratio = 0.005,
+	biomes = {"snow_biome_default"},
+	schematic = minetest.get_modpath("snow").."/schematics/pine.mts",
+	flags = "place_center_x, place_center_z",
+})
+
+minetest.register_decoration({
+	deco_type = "schematic",
+	place_on = "default:dirt_with_snow",
+	sidelen = 16,
+	fill_ratio = 0.05,
+	biomes = {"snow_biome_forest"},
+	schematic = minetest.get_modpath("snow").."/schematics/pine.mts",
+	flags = "place_center_x, place_center_z",
+})
+
+minetest.register_decoration({
+	deco_type = "schematic",
+	place_on = "default:dirt_with_snow",
+	sidelen = 16,
+	fill_ratio = 0.1,
+	biomes = {"snow_biome_lush"},
+	schematic = minetest.get_modpath("snow").."/schematics/pine.mts",
+	flags = "place_center_x, place_center_z",
+})
+
+--Dry shrubs.
+minetest.register_decoration({
+	deco_type = "simple",
+	place_on = "default:dirt_with_snow",
+	sidelen = 16,
+	fill_ratio = 0.005,
+	biomes = {"snow_biome_default"},
+	decoration = "default:dry_shrub",
+})
+
+minetest.register_decoration({
+	deco_type = "simple",
+	place_on = "default:dirt_with_snow",
+	sidelen = 16,
+	fill_ratio = 0.05,
+	biomes = {"snow_biome_forest", "snow_biome_lush"},
+	decoration = "default:dry_shrub",
+})
+
+--Snow.
+minetest.register_decoration({
+	deco_type = "simple",
+	place_on = "default:dirt_with_snow",
+	sidelen = 16,
+	fill_ratio = 10,
+	biomes = {"snow_biome_default", "snow_biome_forest", "snow_biome_lush"},
+	decoration = "default:snow",
+})
+
+minetest.register_decoration({
+	deco_type = "simple",
+	place_on = "default:stone",
+	sidelen = 16,
+	fill_ratio = 10,
+	biomes = {"snow_biome_alpine"},
+	decoration = "default:snow",
+})