2022-01-19 15:09:37 +00:00
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local modname = minetest.get_current_modname()
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local modpath = minetest.get_modpath(modname)
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local chance_per_block = mcl_structures.from_16x16_to_block_inverted_chance(64)
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local noise_multiplier = 2
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local random_offset = 5
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2022-02-17 23:48:03 +00:00
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local struct_threshold = chance_per_block
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2022-01-19 15:09:37 +00:00
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local mcl_structures_get_perlin_noise_level = mcl_structures.get_perlin_noise_level
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local minetest_find_nodes_in_area = minetest.find_nodes_in_area
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local min_y = mcl_worlds.layer_to_y(40)
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local max_y = mcl_worlds.layer_to_y(49)
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local fossils = {
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"mcl_structures_fossil_skull_1.mts", -- 4×5×5
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"mcl_structures_fossil_skull_2.mts", -- 5×5×5
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"mcl_structures_fossil_skull_3.mts", -- 5×5×7
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"mcl_structures_fossil_skull_4.mts", -- 7×5×5
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"mcl_structures_fossil_spine_1.mts", -- 3×3×13
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"mcl_structures_fossil_spine_2.mts", -- 5×4×13
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"mcl_structures_fossil_spine_3.mts", -- 7×4×13
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"mcl_structures_fossil_spine_4.mts", -- 8×5×13
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}
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local nodes_for_fossil = {"mcl_core:sandstone", "mcl_core:stone", "mcl_core:diorite", "mcl_core:andesite", "mcl_core:granite", "mcl_core:stone_with_coal", "mcl_core:dirt", "mcl_core:gravel"}
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function spawn_fossil(pos, rotation, pr, placer)
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-- Generates one out of 8 possible fossil pieces
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local def = {
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pos = {x = pos.x, y = pos.y - 1, z = pos.z},
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schematic = modpath .. "/schematics/" .. fossils[pr:next(1, #fossils)],
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rotation = rotation,
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pr = pr,
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}
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mcl_structures.place_schematic(def)
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end
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mcl_mapgen.register_mapgen_block(function(minp, maxp, seed)
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local p1 = table.copy(minp)
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local y1 = p1.y
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if y1 > max_y then return end
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local p2 = table.copy(maxp)
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local y2 = p2.y
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if y2 < min_y then return end
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local pr = PseudoRandom(seed + random_offset)
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local random_number = pr:next(1, chance_per_block)
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p1.y = math.max(y1, min_y)
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local noise = mcl_structures_get_perlin_noise_level(p1) * noise_multiplier
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if (random_number + noise) < struct_threshold then return end
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p2.y = math.min(y2, max_y)
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local nodes = minetest_find_nodes_in_area(p1, p2, nodes_for_fossil, false)
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if #nodes < 100 then return end
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spawn_fossil(p1, nil, pr)
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end, 1000)
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mcl_structures.register_structure({name = 'fossil', place_function = spawn_fossil})
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