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@@ -27,64 +27,74 @@ minetest.register_alias("mapgen_mese", "default:mese") |
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-- Ore generation |
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-- |
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local function generate_ore(name, wherein, minp, maxp, seed, chunks_per_volume, ore_per_chunk, height_min, height_max, param2) |
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if maxp.y < height_min or minp.y > height_max then |
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return |
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end |
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local y_min = math.max(minp.y, height_min) |
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local y_max = math.min(maxp.y, height_max) |
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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 chunk_size = 3 |
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if ore_per_chunk <= 4 then |
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chunk_size = 2 |
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end |
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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 >= height_min and y0 <= height_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.env:get_node(p2).name == wherein then |
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minetest.env:set_node(p2, {name=name, param2=param2}) |
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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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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 = 5, |
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clust_size = 3, |
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height_min = -31000, |
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height_max = 64, |
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}) |
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minetest.register_on_generated(function(minp, maxp, seed) |
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generate_ore("default:stone_with_coal", "default:stone", minp, maxp, seed, 1/8/8/8, 5, -31000, 64 ) |
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generate_ore("default:stone_with_iron", "default:stone", minp, maxp, seed+1, 1/16/16/16, 5, -5, 7 ) |
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generate_ore("default:stone_with_iron", "default:stone", minp, maxp, seed+2, 1/12/12/12, 5, -16, -5 ) |
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generate_ore("default:stone_with_iron", "default:stone", minp, maxp, seed+3, 1/9/9/9, 5, -31000, -17 ) |
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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 = 16*16*16, |
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clust_num_ores = 5, |
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clust_size = 3, |
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height_min = -5, |
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height_max = 7, |
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}) |
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generate_ore("default:stone_with_coal", "default:stone", minp, maxp, seed+4, 1/8/8/8, 5, 200, 31000 ) -- for float islands and far scaled mountains |
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generate_ore("default:stone_with_iron", "default:stone", minp, maxp, seed+5, 1/9/9/9, 5, 200, 31000 ) |
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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 = 5, |
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clust_size = 3, |
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height_min = -16, |
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height_max = -5, |
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}) |
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if minetest.setting_getbool("underground_springs") then |
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generate_ore("default:water_source", "default:stone", minp, maxp, seed+4, 1/24/24/24, 12, -100, -11, 128) |
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generate_ore("default:water_source", "default:stone", minp, maxp, seed+5, 1/28/28/28, 8, -10000, -101, 128) |
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generate_ore("default:lava_source", "default:stone", minp, maxp, seed+6, 1/38/38/38, 6, -500, -101, 128) |
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generate_ore("default:lava_source", "default:stone", minp, maxp, seed+7, 1/30/30/30, 16, -5000, -501, 128) |
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generate_ore("default:lava_source", "default:stone", minp, maxp, seed+8, 1/24/24/24, 20, -31000, -5001, 128) |
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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: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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height_min = -31000, |
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height_max = -17, |
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}) |
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-- for float islands and far scaled |
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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 = 5, |
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clust_size = 3, |
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height_min = 200, |
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height_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: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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height_min = 200, |
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height_max = 31000, |
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}) |
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minetest.register_on_generated(function(minp, maxp, seed) |
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-- Generate clay |
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if maxp.y >= 2 and minp.y <= 0 then |
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-- Assume X and Z lengths are equal |
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