many worldgen mods and gonna try technic now

mods/moretrees/biome_defs.lua

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+
+-- TODO
+-- Use biomes in the decoration definition depending on their heat_point humidity_point
+-- instead of spawning it with a rather low fill_ratio everywhere
+local ratio_abundant =  0.001
+local ratio_common =    0.0005
+local ratio_normal =    0.0003
+local ratio_uncommon =  0.0002
+local ratio_rare =      0.0001
+local ratio_very_rare = 0.00003
+
+local coniferous_place_on = {
+	xcompat.materials.dirt_with_grass,
+	"default:dirt_with_coniferous_litter"
+}
+
+moretrees.beech_biome = {
+	place_on = xcompat.materials.dirt_with_grass,
+	fill_ratio = ratio_normal,
+}
+
+moretrees.palm_biome = {
+	place_on = xcompat.materials.sand,
+	min_elevation = -1,
+	max_elevation = 1,
+	fill_ratio = ratio_abundant,
+}
+
+moretrees.date_palm_biome = {
+	place_on = xcompat.materials.desert_sand,
+	min_elevation = -1,
+	max_elevation = 8,
+	fill_ratio = ratio_common,
+}
+
+moretrees.date_palm_biome_2 = {
+	place_on = xcompat.materials.desert_sand,
+	min_elevation = 9,
+	max_elevation = 30,
+	spawn_by = {xcompat.materials.water_source},
+	num_spawn_by = 1,
+	fill_ratio = ratio_abundant,
+}
+
+moretrees.apple_tree_biome = {
+	place_on = xcompat.materials.dirt_with_grass,
+	min_elevation = 1,
+	max_elevation = 10,
+	biomes = {"deciduous_forest"},
+	fill_ratio = ratio_rare,
+}
+
+moretrees.oak_biome = {
+	place_on = xcompat.materials.dirt_with_grass,
+	min_elevation = 0,
+	max_elevation = 10,
+	fill_ratio = ratio_normal,
+}
+
+moretrees.sequoia_biome = {
+	place_on = xcompat.materials.dirt_with_grass,
+	min_elevation = 0,
+	max_elevation = 10,
+	fill_ratio = ratio_rare,
+}
+
+moretrees.birch_biome = {
+	place_on = xcompat.materials.dirt_with_grass,
+	min_elevation = 10,
+	max_elevation = 15,
+	fill_ratio = ratio_common,
+}
+
+moretrees.willow_biome = {
+	place_on = xcompat.materials.dirt_with_grass,
+	min_elevation = -5,
+	max_elevation = 5,
+	fill_ratio = ratio_uncommon,
+}
+
+moretrees.rubber_tree_biome = {
+	place_on = xcompat.materials.dirt_with_grass,
+	min_elevation = -5,
+	max_elevation = 8,
+	fill_ratio = ratio_normal,
+}
+
+moretrees.jungletree_biome = {
+	place_on = {
+		xcompat.materials.dirt,
+		xcompat.materials.dirt_with_grass,
+		"woodsoils:dirt_with_leaves_1",
+		"woodsoils:grass_with_leaves_1",
+		"woodsoils:grass_with_leaves_2",
+		"default:dirt_with_rainforest_litter",
+	},
+	min_elevation = 1,
+	spawn_by = minetest.get_modpath("default") and {"default:jungletree"} or nil,
+	num_spawn_by = minetest.get_modpath("default") and 1 or nil,
+	biomes = {"rainforest", "rainforest_swamp"},
+}
+
+moretrees.spruce_biome = {
+	place_on = coniferous_place_on,
+	min_elevation = 20,
+	fill_ratio = ratio_uncommon,
+}
+
+moretrees.cedar_biome = {
+	place_on = coniferous_place_on,
+	min_elevation = 0,  --Added to solve an issue where cedar trees would sometimes spawn deep underground
+	fill_ratio = ratio_rare,
+}
+
+
+-- Poplar requires a lot of water.
+moretrees.poplar_biome = {
+	place_on = xcompat.materials.dirt_with_grass,
+	min_elevation = 0,
+	max_elevation = 50,
+	spawn_by = {xcompat.materials.water_source},
+	num_spawn_by = 3,
+	fill_ratio = ratio_abundant,
+}
+
+-- Spawn an occasional poplar elsewhere.
+moretrees.poplar_biome_2 = {
+	place_on = xcompat.materials.dirt_with_grass,
+	min_elevation = 0,
+	max_elevation = 50,
+	fill_ratio = ratio_very_rare,
+}
+
+-- Subterranean lakes provide enough water for poplars to grow
+moretrees.poplar_biome_3 = {
+	place_on = xcompat.materials.dirt_with_grass,
+	min_elevation = -50,
+	max_elevation = 0,
+	spawn_by = {xcompat.materials.water_source},
+	num_spawn_by = 3,
+	fill_ratio = ratio_abundant,
+}
+
+moretrees.poplar_small_biome = {
+	place_on = xcompat.materials.dirt_with_grass,
+	min_elevation = 0,
+	max_elevation = 50,
+	spawn_by = {xcompat.materials.water_source},
+	num_spawn_by = 1,
+	fill_ratio = ratio_normal,
+}
+
+moretrees.poplar_small_biome_2 = {
+	place_on = xcompat.materials.dirt_with_grass,
+	min_elevation = 0,
+	max_elevation = 50,
+	spawn_by = {xcompat.materials.water_source},
+	num_spawn_by = 5,
+	fill_ratio = ratio_abundant,
+}
+
+
+moretrees.fir_biome = {
+	place_on = coniferous_place_on,
+	min_elevation = 25,
+	fill_ratio = ratio_normal,
+}
+
+moretrees.fir_biome_snow = {
+	place_on = {"snow:dirt_with_snow", "snow:snow"},
+	below_nodes = {xcompat.materials.dirt, xcompat.materials.dirt_with_grass, "snow:dirt_with_snow"},
+	fill_ratio = ratio_normal,
+}