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Split underground biome to correspond to surface biomes

In preparation for biome-defined: dungeon materials, cave liquids,
stone type, ores, decorations.
'_ocean' biomes now extend to y = -255 to be deeper than default
mgv5 oceans, and to create 'shallow underground biomes'.
Remove unnecessary biome lists for gravel and silver sand blob ores,
as those are already defined to only appear in default:stone.
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paramat committed Apr 19, 2019
1 parent 0291c6b commit f21bab2ff9c56147f79d06b99dac0615041fc73d
Showing with 105 additions and 34 deletions.
  1. +105 −34 mods/default/mapgen.lua
@@ -554,14 +554,6 @@ function default.register_ores()
octaves = 1,
persist = 0.0
},
biomes = {"icesheet_ocean", "tundra", "tundra_beach", "tundra_ocean",
"taiga", "taiga_ocean", "snowy_grassland", "snowy_grassland_ocean",
"grassland", "grassland_dunes", "grassland_ocean", "coniferous_forest",
"coniferous_forest_dunes", "coniferous_forest_ocean", "deciduous_forest",
"deciduous_forest_shore", "deciduous_forest_ocean", "cold_desert",
"cold_desert_ocean", "savanna", "savanna_shore", "savanna_ocean",
"rainforest", "rainforest_swamp", "rainforest_ocean", "underground",
"floatland_coniferous_forest", "floatland_coniferous_forest_ocean"}
})

-- Dirt
@@ -583,6 +575,7 @@ function default.register_ores()
octaves = 1,
persist = 0.0
},
-- Only where default:dirt is present as surface material
biomes = {"taiga", "snowy_grassland", "grassland", "coniferous_forest",
"deciduous_forest", "deciduous_forest_shore", "savanna", "savanna_shore",
"rainforest", "rainforest_swamp", "floatland_coniferous_forest"}
@@ -607,14 +600,6 @@ function default.register_ores()
octaves = 1,
persist = 0.0
},
biomes = {"icesheet_ocean", "tundra", "tundra_beach", "tundra_ocean",
"taiga", "taiga_ocean", "snowy_grassland", "snowy_grassland_ocean",
"grassland", "grassland_dunes", "grassland_ocean", "coniferous_forest",
"coniferous_forest_dunes", "coniferous_forest_ocean", "deciduous_forest",
"deciduous_forest_shore", "deciduous_forest_ocean", "cold_desert",
"cold_desert_ocean", "savanna", "savanna_shore", "savanna_ocean",
"rainforest", "rainforest_swamp", "rainforest_ocean", "underground",
"floatland_coniferous_forest", "floatland_coniferous_forest_ocean"}
})

-- Scatter ores
@@ -940,7 +925,15 @@ function default.register_biomes(upper_limit)
node_water_top = "default:ice",
depth_water_top = 10,
y_max = -9,
y_min = -112,
y_min = -255,
heat_point = 0,
humidity_point = 73,
})

minetest.register_biome({
name = "icesheet_under",
y_max = -256,
y_min = -31000,
heat_point = 0,
humidity_point = 73,
})
@@ -998,7 +991,15 @@ function default.register_biomes(upper_limit)
depth_riverbed = 2,
vertical_blend = 1,
y_max = -4,
y_min = -112,
y_min = -255,
heat_point = 0,
humidity_point = 40,
})

minetest.register_biome({
name = "tundra_under",
y_max = -256,
y_min = -31000,
heat_point = 0,
humidity_point = 40,
})
@@ -1031,7 +1032,15 @@ function default.register_biomes(upper_limit)
depth_riverbed = 2,
vertical_blend = 1,
y_max = 3,
y_min = -112,
y_min = -255,
heat_point = 25,
humidity_point = 70,
})

minetest.register_biome({
name = "taiga_under",
y_max = -256,
y_min = -31000,
heat_point = 25,
humidity_point = 70,
})
@@ -1064,7 +1073,15 @@ function default.register_biomes(upper_limit)
depth_riverbed = 2,
vertical_blend = 1,
y_max = 3,
y_min = -112,
y_min = -255,
heat_point = 20,
humidity_point = 35,
})

minetest.register_biome({
name = "snowy_grassland_under",
y_max = -256,
y_min = -31000,
heat_point = 20,
humidity_point = 35,
})
@@ -1109,7 +1126,15 @@ function default.register_biomes(upper_limit)
node_riverbed = "default:sand",
depth_riverbed = 2,
y_max = 3,
y_min = -112,
y_min = -255,
heat_point = 50,
humidity_point = 35,
})

minetest.register_biome({
name = "grassland_under",
y_max = -256,
y_min = -31000,
heat_point = 50,
humidity_point = 35,
})
@@ -1154,7 +1179,15 @@ function default.register_biomes(upper_limit)
node_riverbed = "default:sand",
depth_riverbed = 2,
y_max = 3,
y_min = -112,
y_min = -255,
heat_point = 45,
humidity_point = 70,
})

minetest.register_biome({
name = "coniferous_forest_under",
y_max = -256,
y_min = -31000,
heat_point = 45,
humidity_point = 70,
})
@@ -1199,7 +1232,15 @@ function default.register_biomes(upper_limit)
depth_riverbed = 2,
vertical_blend = 1,
y_max = -2,
y_min = -112,
y_min = -255,
heat_point = 60,
humidity_point = 68,
})

minetest.register_biome({
name = "deciduous_forest_under",
y_max = -256,
y_min = -31000,
heat_point = 60,
humidity_point = 68,
})
@@ -1232,7 +1273,15 @@ function default.register_biomes(upper_limit)
depth_riverbed = 2,
vertical_blend = 1,
y_max = 3,
y_min = -112,
y_min = -255,
heat_point = 92,
humidity_point = 16,
})

minetest.register_biome({
name = "desert_under",
y_max = -256,
y_min = -31000,
heat_point = 92,
humidity_point = 16,
})
@@ -1264,7 +1313,15 @@ function default.register_biomes(upper_limit)
node_riverbed = "default:sand",
depth_riverbed = 2,
y_max = 3,
y_min = -112,
y_min = -255,
heat_point = 60,
humidity_point = 0,
})

minetest.register_biome({
name = "sandstone_desert_under",
y_max = -256,
y_min = -31000,
heat_point = 60,
humidity_point = 0,
})
@@ -1295,7 +1352,15 @@ function default.register_biomes(upper_limit)
depth_riverbed = 2,
vertical_blend = 1,
y_max = 3,
y_min = -112,
y_min = -255,
heat_point = 40,
humidity_point = 0,
})

minetest.register_biome({
name = "cold_desert_under",
y_max = -256,
y_min = -31000,
heat_point = 40,
humidity_point = 0,
})
@@ -1340,7 +1405,15 @@ function default.register_biomes(upper_limit)
depth_riverbed = 2,
vertical_blend = 1,
y_max = -2,
y_min = -112,
y_min = -255,
heat_point = 89,
humidity_point = 42,
})

minetest.register_biome({
name = "savanna_under",
y_max = -256,
y_min = -31000,
heat_point = 89,
humidity_point = 42,
})
@@ -1385,19 +1458,17 @@ function default.register_biomes(upper_limit)
depth_riverbed = 2,
vertical_blend = 1,
y_max = -2,
y_min = -112,
y_min = -255,
heat_point = 86,
humidity_point = 65,
})

-- Underground

minetest.register_biome({
name = "underground",
y_max = -113,
name = "rainforest_under",
y_max = -256,
y_min = -31000,
heat_point = 50,
humidity_point = 50,
heat_point = 86,
humidity_point = 65,
})
end

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