399 lines
10 KiB
Lua
399 lines
10 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_stone", "default:stone")
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minetest.register_alias("mapgen_tree", "default:tree")
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minetest.register_alias("mapgen_leaves", "default:leaves")
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minetest.register_alias("mapgen_jungletree", "default:jungletree")
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minetest.register_alias("mapgen_jungleleaves", "default:jungleleaves")
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minetest.register_alias("mapgen_apple", "default:apple")
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minetest.register_alias("mapgen_water_source", "default:water_source")
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minetest.register_alias("mapgen_river_water_source", "default:water_source")
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minetest.register_alias("mapgen_dirt", "default: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: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:dirt_with_grass")
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minetest.register_alias("mapgen_junglegrass", "default:junglegrass")
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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:mese")
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minetest.register_alias("mapgen_desert_sand", "default:desert_sand")
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minetest.register_alias("mapgen_desert_stone", "default:desert_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_mese",
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wherein = "default:stone",
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clust_scarcity = 18*18*18,
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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_mese",
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wherein = "default:stone",
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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 = -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:mese",
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wherein = "default:stone",
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clust_scarcity = 36*36*36,
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clust_num_ores = 3,
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clust_size = 2,
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y_min = -31000,
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y_max = -1024,
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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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minetest.register_ore({
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ore_type = "scatter",
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ore = "default: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 default.generate_ore(name, wherein, minp, maxp, seed, chunks_per_volume, chunk_size, ore_per_chunk, y_min, y_max)
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minetest.log('action', "WARNING: default.generate_ore is deprecated")
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if maxp.y < y_min or minp.y > y_max then
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return
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end
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local y_min = math.max(minp.y, y_min)
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local y_max = math.min(maxp.y, y_max)
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if chunk_size >= y_max - y_min + 1 then
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return
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end
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local volume = (maxp.x-minp.x+1)*(y_max-y_min+1)*(maxp.z-minp.z+1)
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local pr = PseudoRandom(seed)
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local num_chunks = math.floor(chunks_per_volume * volume)
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local inverse_chance = math.floor(chunk_size*chunk_size*chunk_size / ore_per_chunk)
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--print("generate_ore num_chunks: "..dump(num_chunks))
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for i=1,num_chunks do
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local y0 = pr:next(y_min, y_max-chunk_size+1)
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if y0 >= y_min and y0 <= y_max then
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local x0 = pr:next(minp.x, maxp.x-chunk_size+1)
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local z0 = pr:next(minp.z, maxp.z-chunk_size+1)
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local p0 = {x=x0, y=y0, z=z0}
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for x1=0,chunk_size-1 do
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for y1=0,chunk_size-1 do
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for z1=0,chunk_size-1 do
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if pr:next(1,inverse_chance) == 1 then
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local x2 = x0+x1
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local y2 = y0+y1
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local z2 = z0+z1
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local p2 = {x=x2, y=y2, z=z2}
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if minetest.get_node(p2).name == wherein then
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minetest.set_node(p2, {name=name})
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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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end
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--print("generate_ore done")
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end
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function default.make_papyrus(pos, size)
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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 nn ~= "air" then
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return
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end
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minetest.set_node(p, {name="default:papyrus"})
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end
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end
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function default.make_cactus(pos, size)
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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 nn ~= "air" then
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return
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end
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minetest.set_node(p, {name="default:cactus"})
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end
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end
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-- facedir: 0/1/2/3 (head node facedir value)
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-- length: length of rainbow tail
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function default.make_nyancat(pos, facedir, length)
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local tailvec = {x=0, y=0, z=0}
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if facedir == 0 then
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tailvec.z = 1
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elseif facedir == 1 then
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tailvec.x = 1
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elseif facedir == 2 then
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tailvec.z = -1
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elseif facedir == 3 then
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tailvec.x = -1
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else
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facedir = 0
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tailvec.z = 1
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end
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local p = {x=pos.x, y=pos.y, z=pos.z}
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minetest.set_node(p, {name="default:nyancat", param2=facedir})
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for i=1, length do
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p.x = p.x + tailvec.x
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p.z = p.z + tailvec.z
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minetest.set_node(p, {name="default:nyancat_rainbow", param2=facedir})
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end
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end
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function generate_nyancats(seed, minp, maxp)
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local y_min = -31000
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local y_max = 31000
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if maxp.y < y_min or minp.y > y_max then
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return
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end
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local pr = PseudoRandom(seed + 9324342)
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if pr:next(0, 1200) ~= 0 then
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return
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end
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local x0 = pr:next(minp.x, maxp.x)
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local y0 = pr:next(minp.y, maxp.y)
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local z0 = pr:next(minp.z, maxp.z)
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local p0 = {x=x0, y=y0, z=z0}
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default.make_nyancat(p0, pr:next(0,3), pr:next(3,15))
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end
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minetest.register_on_generated(function(minp, maxp, seed)
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-- Generate nyan cats
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generate_nyancats(seed, minp, maxp)
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if maxp.y < 2 and minp.y > 0 then
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return
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end
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local c_air = minetest.get_content_id("air")
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local c_grass = minetest.get_content_id("default:dirt_with_grass")
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local c_sand = minetest.get_content_id("default:desert_sand")
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local n_papyrus = minetest.get_perlin(354, 3, 0.7, 100)
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local n_cactus = minetest.get_perlin(230, 3, 0.6, 100)
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local vm = minetest.get_voxel_manip()
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local emin, emax = vm:read_from_map(minp, maxp)
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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 rand = PseudoRandom(seed % 8000)
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for z = minp.z + 2, maxp.z - 2, 4 do
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for x = minp.x + 2, maxp.x - 2, 4 do
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local papyrus_amount = math.floor(n_papyrus:get_2d({x=x, y=z}) * 6 - 2)
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for i = 1, papyrus_amount do
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local p_pos = {
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x = rand:next(x - 2, x + 2),
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y = 0,
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z = rand:next(z - 2, z + 2)
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}
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if data[area:index(p_pos.x, p_pos.y, p_pos.z)] == c_grass and
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minetest.find_node_near(p_pos, 1, "default:water_source") then
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p_pos.y = 1
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default.make_papyrus(p_pos, rand:next(2, 4))
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end
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end
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local cactus_amount = math.floor(n_cactus:get_2d({x=x, y=z}) * 3)
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for i = 1, cactus_amount do
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local p_pos = {
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x = rand:next(x - 2, x + 2),
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y = -1,
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z = rand:next(z - 2, z + 2)
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}
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-- Find ground level (0...15)
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local found = false
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local last = -1
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for y = 30, 0, -1 do
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p_pos.y = y
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last = data[area:index(p_pos.x, p_pos.y, p_pos.z)]
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if last ~= c_air then
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found = true
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break
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end
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end
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if found then
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p_pos.y = p_pos.y + 1
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if last == c_grass then
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minetest.set_node(p_pos, {name="default:grass_"..rand:next(1, 5)})
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elseif last == c_sand then
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if rand:next(1, 5) >= 4 then
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default.make_cactus(p_pos, rand:next(3, 4))
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else
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minetest.set_node(p_pos, {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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end) |