450 lines
12 KiB
Lua
450 lines
12 KiB
Lua
-- mods/default/mapgen.lua
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--
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-- Aliases for map generator outputs
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--
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minetest.register_alias("mapgen_air", "air")
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minetest.register_alias("mapgen_stone", "default:stone")
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minetest.register_alias("mapgen_tree", "default:dead_tree")
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minetest.register_alias("mapgen_leaves", "air")
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minetest.register_alias("mapgen_jungletree", "air")
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minetest.register_alias("mapgen_jungleleaves", "air")
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minetest.register_alias("mapgen_apple", "air")
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minetest.register_alias("mapgen_water_source", "air")
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minetest.register_alias("mapgen_river_water_source", "air")
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minetest.register_alias("mapgen_dirt", "default:dry_dirt")
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minetest.register_alias("mapgen_sand", "default:sand")
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minetest.register_alias("mapgen_gravel", "default:gravel")
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minetest.register_alias("mapgen_clay", "default:hardened_clay")
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minetest.register_alias("mapgen_lava_source", "default:lava_source")
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minetest.register_alias("mapgen_cobble", "default:cobble")
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minetest.register_alias("mapgen_mossycobble", "default:mossycobble")
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minetest.register_alias("mapgen_dirt_with_grass", "default:dry_dirt")
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minetest.register_alias("mapgen_junglegrass", "air")
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minetest.register_alias("mapgen_stone_with_coal", "default:stone_with_coal")
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minetest.register_alias("mapgen_stone_with_iron", "default:stone_with_iron")
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minetest.register_alias("mapgen_mese", "default:stone")
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minetest.register_alias("mapgen_desert_sand", "default:dry_dirt")
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minetest.register_alias("mapgen_desert_stone", "default:stone")
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minetest.register_alias("mapgen_stair_cobble", "stairs:stair_cobble")
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--
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-- Ore generation
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--
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minetest.register_ore({
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ore_type = "scatter",
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ore = "default:stone_with_coal",
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wherein = "default:stone",
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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 = 64,
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})
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minetest.register_ore({
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ore_type = "scatter",
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ore = "default:stone_with_coal",
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wherein = "default:stone",
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clust_scarcity = 24*24*24,
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clust_num_ores = 27,
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clust_size = 6,
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y_min = -31000,
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y_max = 0,
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flags = "absheight",
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})
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minetest.register_ore({
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ore_type = "scatter",
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ore = "default:stone_with_iron",
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wherein = "default:stone",
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clust_scarcity = 12*12*12,
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clust_num_ores = 3,
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clust_size = 2,
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y_min = -15,
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y_max = 2,
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})
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minetest.register_ore({
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ore_type = "scatter",
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ore = "default:stone_with_iron",
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wherein = "default:stone",
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clust_scarcity = 9*9*9,
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clust_num_ores = 5,
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clust_size = 3,
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y_min = -63,
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y_max = -16,
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})
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minetest.register_ore({
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ore_type = "scatter",
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ore = "default:stone_with_iron",
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wherein = "default:stone",
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clust_scarcity = 7*7*7,
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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 = -64,
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flags = "absheight",
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})
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minetest.register_ore({
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ore_type = "scatter",
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ore = "default:stone_with_iron",
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wherein = "default:stone",
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clust_scarcity = 24*24*24,
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clust_num_ores = 27,
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clust_size = 6,
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y_min = -31000,
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y_max = -64,
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flags = "absheight",
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})
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minetest.register_ore({
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ore_type = "scatter",
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ore = "default:stone_with_gold",
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wherein = "default:stone",
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clust_scarcity = 15*15*15,
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clust_num_ores = 3,
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clust_size = 2,
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y_min = -255,
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y_max = -64,
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flags = "absheight",
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})
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minetest.register_ore({
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ore_type = "scatter",
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ore = "default:stone_with_gold",
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wherein = "default:stone",
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clust_scarcity = 13*13*13,
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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 = -256,
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flags = "absheight",
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})
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minetest.register_ore({
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ore_type = "scatter",
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ore = "default:stone_with_diamond",
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wherein = "default:stone",
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clust_scarcity = 17*17*17,
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clust_num_ores = 4,
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clust_size = 3,
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y_min = -255,
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y_max = -128,
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flags = "absheight",
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})
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minetest.register_ore({
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ore_type = "scatter",
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ore = "default:stone_with_diamond",
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wherein = "default:stone",
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clust_scarcity = 15*15*15,
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clust_num_ores = 4,
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clust_size = 3,
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y_min = -31000,
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y_max = -256,
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flags = "absheight",
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})
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minetest.register_ore({
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ore_type = "scatter",
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ore = "default:stone_with_copper",
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wherein = "default:stone",
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clust_scarcity = 12*12*12,
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clust_num_ores = 4,
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clust_size = 3,
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y_min = -63,
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y_max = -16,
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})
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minetest.register_ore({
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ore_type = "scatter",
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ore = "default:stone_with_copper",
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wherein = "default:stone",
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clust_scarcity = 9*9*9,
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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 = -64,
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flags = "absheight",
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})
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if minetest.setting_get("mg_name") == "indev" then
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-- Floatlands and high mountains springs
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minetest.register_ore({
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ore_type = "scatter",
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ore = "default:water_source",
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ore_param2 = 128,
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wherein = "default:stone",
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clust_scarcity = 40*40*40,
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clust_num_ores = 8,
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clust_size = 3,
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y_min = 100,
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y_max = 31000,
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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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ore_param2 = 128,
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wherein = "default:stone",
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clust_scarcity = 50*50*50,
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clust_num_ores = 5,
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clust_size = 2,
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y_min = 10000,
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y_max = 31000,
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})
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minetest.register_ore({
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ore_type = "scatter",
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ore = "default:sand",
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wherein = "default:stone",
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clust_scarcity = 20*20*20,
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clust_num_ores = 5*5*3,
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clust_size = 5,
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y_min = 500,
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y_max = 31000,
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})
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-- Underground springs
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minetest.register_ore({
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ore_type = "scatter",
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ore = "default:water_source",
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ore_param2 = 128,
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wherein = "default:stone",
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clust_scarcity = 25*25*25,
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clust_num_ores = 8,
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clust_size = 3,
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y_min = -10000,
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y_max = -10,
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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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ore_param2 = 128,
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wherein = "default:stone",
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clust_scarcity = 35*35*35,
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clust_num_ores = 5,
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clust_size = 2,
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y_min = -31000,
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y_max = -100,
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})
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end
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minetest.register_ore({
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ore_type = "scatter",
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ore = "default:hardened_clay",
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wherein = "default:sand",
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clust_scarcity = 15*15*15,
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clust_num_ores = 64,
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clust_size = 5,
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y_max = 0,
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y_min = -10,
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})
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function make_dead_tree(pos, size)
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if size == nil then
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size = math.random(3,6)
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end
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for y=0,size-1 do
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local p = {x=pos.x, y=pos.y+y, z=pos.z}
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local nn = minetest.get_node(p).name
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if minetest.registered_nodes[nn] and
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minetest.registered_nodes[nn].buildable_to then
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minetest.after(0.2,function()
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minetest.swap_node(p, {name="default:dead_tree"})
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end)
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else
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return
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end
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end
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end
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local dirt_snow = minetest.get_content_id("default:dirt_with_snow")
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local dirt_dry = minetest.get_content_id("default:dry_dirt")
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local leaves = minetest.get_content_id("default:leaves")
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local snow = minetest.get_content_id("default:snow")
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local ms = minetest.get_content_id("default:mineralsand")
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local sand = minetest.get_content_id("default:sand")
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local air = minetest.get_content_id("air")
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local function make_snow(min, max, data, va, rnd)
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local y1 = min.y
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local x1 = min.x
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local z1 = min.z
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local x2 = max.x
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local z2 = max.z
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local y_max = SNOW_START + rnd
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if y1 == 48 then
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y_max = y1
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end
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for yi = max.y, y_max, -1 do
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for xi = x1, x2 do
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for zi = z1, z2 do
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local pi = va:index(xi, yi, zi)
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if data[pi] == dirt_dry then
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data[pi] = dirt_snow
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end
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if data[pi] == dirt_snow then
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local opi = va:index(xi, yi + 1, zi)
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if data[opi] == air then
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data[pi] = snow
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end
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end
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end
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end
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end
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return data
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end
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local function make_minerals(min, max, data, va)
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local x1 = min.x
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local z1 = min.z
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local x2 = max.x
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local z2 = max.z
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for yi = min.y, MINERAL_MAX do
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for xi = x1, x2 do
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for zi = z1, z2 do
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local pi = va:index(xi, yi, zi)
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local pi2 = va:index(xi, yi - 1, zi)
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if data[pi] == air and data[pi2] == sand then
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data[pi] = ms
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end
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end
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end
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end
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return data, false
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end
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minetest.register_on_generated(function(minp, maxp, seed)
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local by = minp.y
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if not (by == -32 or by == 48) then
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return
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end
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local pr = PseudoRandom(seed+1)
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if by == -32 then
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-- dead trees
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local perlin1 = minetest.get_perlin(230, 3, 0.6, 100)
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-- Assume X and Z lengths are equal
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local divlen = 16
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local divs = (maxp.x - minp.x)/divlen + 1;
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for divx = 0, divs - 1 do
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for divz = 0, divs - 1 do
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local x0 = minp.x + math.floor((divx+0)*divlen)
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local z0 = minp.z + math.floor((divz+0)*divlen)
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local x1 = minp.x + math.floor((divx+1)*divlen)
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local z1 = minp.z + math.floor((divz+1)*divlen)
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-- Determine dead tree amount from perlin noise
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local amount = math.floor(perlin1:get2d({x = x0, y = z0}) * 2.8 - 3)
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-- Find random positions for dead trees
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for i = 0,amount do
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local x = pr:next(x0, x1)
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local z = pr:next(z0, z1)
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-- Find ground level (0...15)
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local ground_y = nil
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local ground_n = nil
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for y = 20, 0, -1 do
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ground_n = minetest.get_node_or_nil({x = x, y = y, z = z})
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if ground_n and ground_n.name== "default:dry_dirt" then
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ground_y = y
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break
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end
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end
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-- If dry dirt make dead tree
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if ground_y and ground_n then
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make_dead_tree({x = x, y = ground_y + 1, z = z})
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end
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end
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end
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end
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-- Generate dry grass
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local perlin1 = minetest.get_perlin(480, 3, 0.6, 100)
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-- Assume X and Z lengths are equal
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local divlen = 16
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local divs = (maxp.x-minp.x)/divlen+1;
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for divx=0,divs-1 do
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for divz=0,divs-1 do
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local x0 = minp.x + math.floor((divx+0)*divlen)
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local z0 = minp.z + math.floor((divz+0)*divlen)
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local x1 = minp.x + math.floor((divx+1)*divlen)
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local z1 = minp.z + math.floor((divz+1)*divlen)
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-- Determine grass amount from perlin noise
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local grass_amount = math.floor(perlin1:get2d({x=x0, y=z0}) ^ 3 * 4)
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-- Find random positions for grass based on this random
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local pr = PseudoRandom(seed+1)
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for i=0,grass_amount do
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local x = pr:next(x0, x1)
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local z = pr:next(z0, z1)
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-- Find ground level (0...15)
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local ground_y = nil
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for y=20,0,-1 do
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if minetest.get_node({x=x,y=y,z=z}).name ~= "air" then
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ground_y = y
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break
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end
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end
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if ground_y then
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local p = {x=x,y=ground_y+1,z=z}
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local nn = minetest.get_node(p).name
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-- Check if the node can be replaced
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if minetest.registered_nodes[nn] and
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minetest.registered_nodes[nn].buildable_to then
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nn = minetest.get_node({x=x,y=ground_y,z=z}).name
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-- If desert sand, add dry shrub
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if nn == "default:dry_dirt" then
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minetest.swap_node(p,{name="default:dry_shrub"})
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end
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end
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end
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end
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end
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end
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--data =
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end
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-- snowcaps and mineral sand
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local snow_height_rnd = pr:next(0,3)
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-- delay mapgen to reduce conflicts with mud regeneration
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if by == 48 then
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local timeout = 0
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while timeout < 5 do
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timeout = timeout + 1
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end
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end
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local vm, emin, emax = minetest.get_mapgen_object("voxelmanip")
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local data = vm:get_data()
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local va = VoxelArea:new{MinEdge = emin, MaxEdge = emax}
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if by == -32 then
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-- Generate mineral sand
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local wait = true
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data, wait = make_minerals(minp, maxp, data, va)
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while wait do
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--wait for first manip to finish
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end
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data = make_snow(minp, maxp, data, va, snow_height_rnd)
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else
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data = make_snow(minp, maxp, data, va, snow_height_rnd)
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end
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-- write vmanip data
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vm:set_data(data)
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vm:calc_lighting()
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vm:write_to_map(data)
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end)
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