Convert the modpack into a standalone game for the Minetest engine

Integrated into the game is most of minetest_game as the stable base

mods/moretrees/biome_defs.lua

@@ -0,0 +1,302 @@
+
+moretrees.beech_biome = {
+	surface = "default:dirt_with_grass",
+	avoid_nodes = moretrees.avoidnodes,
+	avoid_radius = 8,
+	seed_diff = 2,
+	rarity = 50,
+	max_count = 20,
+}
+
+moretrees.palm_biome = {
+	surface = "default:sand",
+	avoid_nodes = moretrees.avoidnodes,
+	avoid_radius = 5,
+	seed_diff = 330,
+	min_elevation = -1,
+	max_elevation = 1,
+	near_nodes = {"default:water_source"},
+	near_nodes_size = 15,
+	near_nodes_count = 10,
+	temp_min = 0.25,
+	temp_max = -0.15,
+	rarity = 50,
+	max_count = 10,
+}
+
+moretrees.date_palm_biome = {
+	surface = "default:desert_sand",
+	avoid_nodes = moretrees.avoidnodes,
+	avoid_radius = 10,
+	seed_diff = 339,
+	min_elevation = -1,
+	max_elevation = 10,
+	near_nodes = {"default:water_source"},
+	near_nodes_size = 20,
+	near_nodes_count = 100,
+	near_nodes_vertical = 20,
+	temp_min = -0.20,
+	humidity_max = 0.20,
+	rarity = 10,
+	max_count = 30,
+}
+
+moretrees.date_palm_biome_2 = {
+	surface = "default:desert_sand",
+	avoid_nodes = moretrees.avoidnodes,
+	avoid_radius = 10,
+	seed_diff = 340,
+	min_elevation = 11,
+	max_elevation = 30,
+	near_nodes = {"default:water_source"},
+	near_nodes_size = 1,
+	near_nodes_count = 1,
+	near_nodes_vertical = 30,
+	temp_min = -0.20,
+	humidity_max = 0.20,
+	rarity = 10,
+	max_count = 30,
+}
+
+moretrees.apple_tree_biome = {
+	surface = "default:dirt_with_grass",
+	avoid_nodes = moretrees.avoidnodes,
+	avoid_radius = 10,
+	seed_diff = 331,
+	min_elevation = 1,
+	max_elevation = 10,
+	temp_min = 0.1,
+	temp_max = -0.15,
+	rarity = 75,
+	max_count = 5,
+}
+
+moretrees.oak_biome = {
+	surface = "default:dirt_with_grass",
+	avoid_nodes = moretrees.avoidnodes,
+	avoid_radius = 15,
+	seed_diff = 332,
+	min_elevation = 0,
+	max_elevation = 10,
+	temp_min = 0.4,
+	temp_max = 0.2,
+	rarity = 50,
+	max_count = 5,
+}
+
+moretrees.sequoia_biome = {
+	surface = "default:dirt_with_grass",
+	avoid_nodes = moretrees.avoidnodes,
+	avoid_radius = 10,
+	seed_diff = 333,
+	min_elevation = 0,
+	max_elevation = 10,
+	temp_min = 1,
+	temp_max = -0.4,
+	rarity = 90,
+	max_count = 5,
+}
+
+moretrees.birch_biome = {
+	surface = "default:dirt_with_grass",
+	avoid_nodes = moretrees.avoidnodes,
+	avoid_radius = 5,
+	seed_diff = 334,
+	min_elevation = 10,
+	max_elevation = 15,
+	temp_min = 0.9,
+	temp_max = 0.3,
+	rarity = 50,
+	max_count = 10,
+}
+
+moretrees.willow_biome = {
+	surface = "default:dirt_with_grass",
+	avoid_nodes = moretrees.avoidnodes,
+	avoid_radius = 10,
+	seed_diff = 337,
+	min_elevation = -5,
+	max_elevation = 5,
+	near_nodes = {"default:water_source"},
+	near_nodes_size = 15,
+	near_nodes_count = 5,
+	rarity = 75,
+	max_count = 5,
+}
+
+moretrees.rubber_tree_biome = {
+	surface = "default:dirt_with_grass",
+	avoid_nodes = moretrees.avoidnodes,
+	avoid_radius = 10,
+	seed_diff = 338,
+	min_elevation = -5,
+	max_elevation = 5,
+	near_nodes = {"default:water_source"},
+	near_nodes_size = 15,
+	near_nodes_count = 10,
+	temp_min = -0.15,
+	rarity = 75,
+	max_count = 10,
+}
+
+moretrees.jungletree_biome = {
+	surface = {
+		"default:dirt",
+		"default:dirt_with_grass",
+		"woodsoils:dirt_with_leaves_1",
+		"woodsoils:grass_with_leaves_1",
+		"woodsoils:grass_with_leaves_2"
+	},
+	avoid_nodes = {"moretrees:jungletree_trunk"},
+	max_count = 12,
+	avoid_radius = 3,
+	rarity = 85,
+	seed_diff = 329,
+	min_elevation = 1,
+	near_nodes = {"default:jungletree"},
+	near_nodes_size = 6,
+	near_nodes_vertical = 2,
+	near_nodes_count = 1,
+	plantlife_limit = -0.9,
+}
+
+moretrees.spruce_biome = {
+	surface = "default:dirt_with_grass",
+	avoid_nodes = moretrees.avoidnodes,
+	avoid_radius = 10,
+	seed_diff = 335,
+	min_elevation = 20,
+	temp_min = 0.9,
+	temp_max = 0.7,
+	rarity = 50,
+	max_count = 5,
+}
+
+moretrees.cedar_biome = {
+	surface = "default:dirt_with_grass",
+	avoid_nodes = moretrees.avoidnodes,
+	avoid_radius = 10,
+	seed_diff = 336,
+	min_elevation = 0,  --Added to solve an issue where cedar trees would sometimes spawn deep underground
+	near_nodes = {"default:water_source"},
+	near_nodes_size = 15,
+	near_nodes_count = 5,
+	rarity = 50,
+	max_count = 10,
+}
+
+
+-- Poplar requires a lot of water.
+moretrees.poplar_biome = {
+	surface = "default:dirt_with_grass",
+	avoid_nodes = moretrees.avoidnodes,
+	avoid_radius = 6,
+	seed_diff = 341,
+	min_elevation = 0,
+	max_elevation = 50,
+	near_nodes = {"default:water_source"},
+	near_nodes_size = 15,
+	near_nodes_vertical = 5,
+	near_nodes_count = 1,
+	humidity_min = -0.7,
+	humidity_max = -1,
+	rarity = 50,
+	max_count = 15,
+}
+
+-- The humidity requirement it quite restrictive (apparently).
+-- Spawn an occasional poplar elsewhere.
+moretrees.poplar_biome_2 = {
+	surface = "default:dirt_with_grass",
+	avoid_nodes = moretrees.avoidnodes,
+	avoid_radius = 6,
+	seed_diff = 341,
+	min_elevation = 0,
+	max_elevation = 50,
+	near_nodes = {"default:water_source"},
+	near_nodes_size = 15,
+	near_nodes_vertical = 4,
+	near_nodes_count = 10,
+	humidity_min = 0.1,
+	humidity_max = -0.6,
+	rarity = 50,
+	max_count = 1,
+}
+
+-- Subterranean lakes provide enough water for poplars to grow
+moretrees.poplar_biome_3 = {
+	surface = "default:dirt_with_grass",
+	avoid_nodes = moretrees.avoidnodes,
+	avoid_radius = 6,
+	seed_diff = 342,
+	min_elevation = 0,
+	max_elevation = 50,
+	near_nodes = {"default:water_source"},
+	near_nodes_size = 1,
+	near_nodes_vertical = 25,
+	near_nodes_count = 1,
+	humidity_min = -0.5,
+	humidity_max = -1,
+	rarity = 0,
+	max_count = 30,
+}
+
+moretrees.poplar_small_biome = {
+	surface = "default:dirt_with_grass",
+	avoid_nodes = moretrees.avoidnodes,
+	avoid_radius = 4,
+	seed_diff = 343,
+	min_elevation = 0,
+	max_elevation = 50,
+	near_nodes = {"default:water_source"},
+	near_nodes_size = 10,
+	near_nodes_vertical = 5,
+	near_nodes_count = 1,
+	humidity_min = -0.7,
+	humidity_max = -1,
+	rarity = 50,
+	max_count = 10,
+}
+
+moretrees.poplar_small_biome_2 = {
+	surface = "default:dirt_with_grass",
+	avoid_nodes = moretrees.avoidnodes,
+	avoid_radius = 4,
+	seed_diff = 343,
+	min_elevation = 0,
+	max_elevation = 50,
+	near_nodes = {"default:water_source"},
+	near_nodes_size = 10,
+	near_nodes_vertical = 4,
+	near_nodes_count = 5,
+	humidity_min = 0.1,
+	humidity_max = -0.6,
+	rarity = 50,
+	max_count = 3,
+}
+
+
+moretrees.fir_biome = {
+	surface = "default:dirt_with_grass",
+	avoid_nodes = moretrees.avoidnodes,
+	avoid_radius = 10,
+	seed_diff = 359,
+	min_elevation = 25,
+	temp_min = 0.9,
+	temp_max = 0.3,
+	rarity = 50,
+	max_count = 10,
+}
+
+moretrees.fir_biome_snow = {
+	surface = {"snow:dirt_with_snow", "snow:snow"},
+	below_nodes = {"default:dirt", "default:dirt_with_grass", "snow:dirt_with_snow"},
+	avoid_nodes = moretrees.avoidnodes,
+	avoid_radius = 10,
+	seed_diff = 359,
+	rarity = 50,
+	max_count = 10,
+	check_air = false,
+	delete_above = true,
+	spawn_replace_node = true
+}