452 lines
11 KiB
Lua
452 lines
11 KiB
Lua
-- Minetest 0.4 Mod: Nether
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local NETHER_DEPTH = -3100
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local NETHER_AMBIENT = 6
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local nether_created = false
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--Mapgen stuffs
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minetest.register_ore({
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ore_type = "scatter",
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ore = "nether:rack_with_diamond",
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wherein = {"default:lava_source","nether:rack","default:stone"},
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clust_scarcity = 14 * 14 * 14,
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clust_num_ores = 12,
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clust_size = 5,
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y_min = -31000,
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y_max = -3130,
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})
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-- maikerumines hackish nether
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--The following will generate nether and bedrock limits without mapgen function.
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--it is a bit slow
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--[[
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minetest.register_ore({
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ore_type = "blob",
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ore = "nether:glowstone",
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wherein = {"nether:rack"},
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clust_scarcity = 16 * 16 * 16,
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clust_size = 5,
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y_min = -31000,
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y_max = -2000,
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noise_threshold = 0.0,
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noise_params = {
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offset = 0.5,
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scale = 0.2,
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spread = {x = 5, y = 5, z = 5},
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seed = -316,
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octaves = 1,
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persist = 0.0
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},
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})
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minetest.register_ore({
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ore_type = "blob",
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ore = "nether:brick",
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wherein = {"nether:rack"},
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clust_scarcity = 16 * 16 * 16,
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clust_size = 5,
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y_min = -31000,
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y_max = -2000,
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noise_threshold = 0.0,
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noise_params = {
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offset = 0.5,
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scale = 0.2,
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spread = {x = 5, y = 5, z = 5},
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seed = -316,
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octaves = 1,
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persist = 0.0
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},
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})
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minetest.register_ore({
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ore_type = "scatter",
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ore = "default:lava_source",
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wherein = "nether:rack",
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clust_scarcity = 14 * 14 * 14,
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clust_num_ores = 5,
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clust_size = 3,
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y_min = -31000,
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y_max = -2100,
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})
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minetest.register_ore({
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ore_type = "scatter",
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ore = "nether:rack_with_diamond",
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wherein = "nether:rack",
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clust_scarcity = 14 * 14 * 14,
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clust_num_ores = 12,
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clust_size = 5,
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y_min = -31000,
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y_max = -3000,
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})
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minetest.register_ore({
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ore_type = "scatter",
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ore = "nether:rack_with_diamond",
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wherein = "default:lava_source",
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clust_scarcity = 14 * 14 * 14,
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clust_num_ores = 12,
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clust_size = 5,
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y_min = -31000,
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y_max = -3100,
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})
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minetest.register_ore({
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ore_type = "scatter",
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ore = "nether:glowstone",
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wherein = "nether:rack",
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clust_scarcity = 14 * 14 * 14,
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clust_num_ores = 5,
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clust_size = 3,
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y_min = -31000,
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y_max = -2000,
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})
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minetest.register_ore({
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--ore_type = "blob",
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ore_type = "scatter",
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ore = "default:gravel",
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wherein = {"nether:rack"},
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clust_scarcity = 24 * 24 * 24,
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clust_num_ores = 12,
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clust_size = 8,
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height_min = -31000,
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height_max = -2000,
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noise_threshhold = 0.4,
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noise_params = {offset=0, scale=15, spread={x=130, y=130, z=130}, seed=24, octaves=3, persist=0.70}
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})
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minetest.register_ore({
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ore_type = "sheet",
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ore = "nether:sand",
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wherein = {"nether:rack"},
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clust_scarcity = 1,
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clust_num_ores = 12,
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clust_size = 8,
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height_min = -31000,
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height_max = -2000,
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noise_threshhold = 0.9,
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noise_params = {offset=0, scale=1, spread={x=30, y=30, z=30}, seed=24, octaves=3, persist=0.70}
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})
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minetest.register_ore({
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ore_type = "scatter",
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ore = "nether:permanent_flame",
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--ore = "fire:basic_flame",
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wherein = "nether:rack",
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clust_scarcity = 18 *18 * 18,
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clust_num_ores = 8,
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clust_size = 3,
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y_min = -31000,
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y_max = -2000,
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})
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minetest.register_ore({
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ore_type = "scatter",
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ore = "nether:glowstone",
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wherein = "nether:rack",
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clust_scarcity = 8 * 8 * 8,
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clust_num_ores = 8,
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clust_size = 3,
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y_min = -31000,
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y_max = -2000,
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})
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-- Underground
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minetest.register_biome({
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name = "underground",
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--node_dust = "",
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--node_top = "",
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--depth_top = ,
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--node_filler = "nether:rack",
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--depth_filler = ,
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--node_stone = "nether:rack",
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--node_water_top = "",
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--depth_water_top = ,
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--node_water = "",
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--node_river_water = "",
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y_min = -2280,
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y_max = -113,
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heat_point = 50,
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humidity_point = 50,
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})
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minetest.register_biome({
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name = "bedrock_upper",
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--node_dust = "",
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--node_top = "",
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--depth_top = ,
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--node_filler = "nether:bedrock",
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--depth_filler = ,
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node_stone = "default:bedrock",
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--node_water_top = "",
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--depth_water_top = ,
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--node_water = "",
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--node_river_water = "",
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y_min = -2900,
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y_max = -2281,
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heat_point = 50,
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humidity_point = 50,
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})
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minetest.register_biome({
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name = "Nunderground",
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--node_dust = "",
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--node_top = "",
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--depth_top = ,
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--node_filler = "nether:rack",
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--depth_filler = ,
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node_stone = "nether:rack",
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--node_water_top = "",
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--depth_water_top = ,
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--node_water = "",
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--node_river_water = "",
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y_min = -3100,
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y_max = -2901,
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heat_point = 50,
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humidity_point = 50,
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})
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minetest.register_biome({
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name = "lava",
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--node_dust = "",
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--node_top = "",
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--depth_top = ,
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--node_filler = "default:lava_source",
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--depth_filler = ,
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node_stone = "default:lava_source",
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--node_water_top = "",
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--depth_water_top = ,
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--node_water = "",
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--node_river_water = "",
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y_min = -5000,
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y_max = -3101,
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heat_point = 50,
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humidity_point = 50,
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})
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minetest.register_biome({
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name = "bedrock_lower",
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--node_dust = "",
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--node_top = "",
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--depth_top = ,
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--node_filler = "nether:bedrock2",
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--depth_filler = ,
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node_stone = "default:bedrock",
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--node_water_top = "",
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--depth_water_top = ,
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--node_water = "",
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--node_river_water = "",
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y_min = -31000,
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y_max = -5001,
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heat_point = 50,
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humidity_point = 50,
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})
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]]
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--paramats cavegen
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--hacked by maikerumine
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--params
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local TCAVE = 0.6
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local BLEND = 128
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-- 3D noise
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local np_cave = {
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offset = 0,
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scale = 1,
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spread = {x = 384, y = 128, z = 384}, -- squashed 3:1
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seed = 59033,
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octaves = 5,
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persist = 0.7
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}
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-- Stuff
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local yblmax = NETHER_DEPTH - BLEND * 2
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-- Mapgen
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-- Initialize noise object and localise noise buffer
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local nobj_cave = nil
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local nbuf_cave
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-- Content ids
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local c_air = minetest.get_content_id("air")
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local c_stone_with_coal = minetest.get_content_id("default:stone_with_coal")
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local c_stone_with_iron = minetest.get_content_id("default:stone_with_iron")
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local c_stone_with_mese = minetest.get_content_id("default:stone_with_mese")
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local c_stone_with_diamond = minetest.get_content_id("default:stone_with_diamond")
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local c_stone_with_gold = minetest.get_content_id("default:stone_with_gold")
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local c_stone_with_copper = minetest.get_content_id("default:stone_with_copper")
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local c_mese = minetest.get_content_id("default:mese")
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local c_gravel = minetest.get_content_id("default:gravel")
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local c_dirt = minetest.get_content_id("default:dirt")
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local c_sand = minetest.get_content_id("default:sand")
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local c_cobble = minetest.get_content_id("default:cobble")
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local c_mossycobble = minetest.get_content_id("default:mossycobble")
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local c_marble = minetest.get_content_id("default:marble")
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local c_granite = minetest.get_content_id("default:granite")
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local c_stair_cobble = minetest.get_content_id("stairs:stair_cobble")
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local c_lava_source = minetest.get_content_id("default:lava_source")
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local c_lava_flowing = minetest.get_content_id("default:lava_flowing")
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local c_water_source = minetest.get_content_id("default:water_source")
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local c_water_flowing = minetest.get_content_id("default:water_flowing")
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local c_glowstone = minetest.get_content_id("nether:glowstone")
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local c_nethersand = minetest.get_content_id("nether:sand")
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local c_netherbrick = minetest.get_content_id("nether:brick")
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local c_netherrack = minetest.get_content_id("nether:rack")
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local c_netherfire = minetest.get_content_id("nether:permanent_flame")
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local c_netherdiamond = minetest.get_content_id("nether:rack_with_diamond")
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local c_quartz = minetest.get_content_id("quartz:quartz_ore")
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local c_netherquartz = minetest.get_content_id("nether:quartz_ore")
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-- On-generated function
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minetest.register_on_generated(function(minp, maxp, seed)
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if minp.y > NETHER_DEPTH then
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return
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end
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local t1 = os.clock()
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local x1 = maxp.x
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local y1 = maxp.y
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local z1 = maxp.z
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local x0 = minp.x
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local y0 = minp.y
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local z0 = minp.z
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local vm, emin, emax = minetest.get_mapgen_object("voxelmanip")
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local area = VoxelArea:new{MinEdge = emin, MaxEdge = emax}
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local data = vm:get_data()
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local x11 = emax.x -- Limits of mapchunk plus mapblock shell
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local y11 = emax.y
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local z11 = emax.z
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local x00 = emin.x
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local y00 = emin.y
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local z00 = emin.z
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local ystride = x1 - x0 + 1
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local zstride = ystride * ystride
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local chulens = {x = ystride, y = ystride, z = ystride}
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local minposxyz = {x = x0, y = y0, z = z0}
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nobj_cave = nobj_cave or minetest.get_perlin_map(np_cave, chulens)
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local nvals_cave = nobj_cave:get3dMap_flat(minposxyz, nbuf_cave)
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for y = y00, y11 do -- Y loop first to minimise tcave calculations
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local tcave
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local in_chunk_y = false
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if y >= y0 and y <= y1 then
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if y > yblmax then
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tcave = TCAVE + ((y - yblmax) / BLEND) ^ 2
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else
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tcave = TCAVE
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end
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in_chunk_y = true
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end
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for z = z00, z11 do
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local vi = area:index(x00, y, z) -- Initial voxelmanip index
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local ni
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local in_chunk_yz = in_chunk_y and z >= z0 and z <= z1
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for x = x00, x11 do
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if in_chunk_yz and x == x0 then
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-- Initial noisemap index
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ni = (z - z0) * zstride + (y - y0) * ystride + 1
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end
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local in_chunk_yzx = in_chunk_yz and x >= x0 and x <= x1 -- In mapchunk
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local id = data[vi] -- Existing node
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-- Cave air, cave liquids and dungeons are overgenerated,
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-- convert these throughout mapchunk plus shell
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if id == c_air or -- Air and liquids to air
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-- id == c_lava_source or
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-- id == c_lava_flowing or
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id == c_water_source or
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id == c_water_flowing then
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data[vi] = c_air
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-- Dungeons are preserved so we don't need
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-- to check for cavern in the shell
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elseif id == c_cobble or -- Dungeons (preserved) to netherbrick
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id == c_mossycobble or
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id == c_stair_cobble then
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data[vi] = c_netherbrick
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end
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if in_chunk_yzx then -- In mapchunk
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if nvals_cave[ni] > tcave then -- Only excavate cavern in mapchunk
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data[vi] = c_air
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elseif id == c_mese then -- Mese block to lava
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data[vi] = c_lava_source
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elseif id == c_stone_with_iron then -- Iron block to fire
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data[vi] = c_netherfire
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elseif id == c_dirt then --Dirt block to Glowstone
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data[vi] = c_glowstone
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elseif id == c_granite then --Dirt block to Glowstone
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data[vi] = c_netherbrick
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elseif id == c_stone_with_diamond then --Netherdiamonds
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data[vi] = c_netherdiamond
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elseif id == c_lava_source then --LAVA!!
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data[vi] = c_lava_source
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elseif id == c_quartz then --Quartz
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data[vi] = c_quartz
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elseif id == c_netherquartz then --Quartz
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data[vi] = c_netherquartz
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elseif id == c_stone_with_gold or -- Precious ores to glowstone
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id == c_stone_with_mese then
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data[vi] = c_glowstone
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elseif id == c_gravel or -- Blob ore to nethersand
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id == c_marble or
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id == c_sand then
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data[vi] = c_nethersand
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else -- All else to netherstone
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data[vi] = c_netherrack
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end
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ni = ni + 1 -- Only increment noise index in mapchunk
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end
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vi = vi + 1
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end
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end
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end
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vm:set_data(data)
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vm:set_lighting({day = 0, night = 0})
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vm:calc_lighting()
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vm:update_liquids()
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vm:write_to_map()
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local chugent = math.ceil((os.clock() - t1) * 1000)
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print ("[nether] generate chunk " .. chugent .. " ms")
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end)
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