152 lines
4.4 KiB
Lua
152 lines
4.4 KiB
Lua
dfcaverns = {}
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--grab a shorthand for the filepath of the mod
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local modpath = minetest.get_modpath(minetest.get_current_modname())
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--load companion lua files
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dofile(modpath.."/config.lua")
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dofile(modpath.."/ground_cover.lua")
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dofile(modpath.."/glow_worms.lua")
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-- Plants
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dofile(modpath.."/plants.lua") -- general functions
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dofile(modpath.."/plants/cave_wheat.lua")
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dofile(modpath.."/plants/dimple_cup.lua")
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dofile(modpath.."/plants/pig_tail.lua")
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dofile(modpath.."/plants/plump_helmet.lua")
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dofile(modpath.."/plants/quarry_bush.lua")
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dofile(modpath.."/plants/sweet_pod.lua")
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dofile(modpath.."/plants/cooking.lua")
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-- Trees
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dofile(modpath.."/trees/blood_thorn.lua")
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dofile(modpath.."/trees/fungiwood.lua")
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dofile(modpath.."/trees/tunnel_tube.lua")
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dofile(modpath.."/trees/spore_tree.lua")
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dofile(modpath.."/trees/black_cap.lua")
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dofile(modpath.."/trees/nether_cap.lua")
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dofile(modpath.."/trees/goblin_cap.lua")
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dofile(modpath.."/trees/tower_cap.lua")
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-- Biomes
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dofile(modpath.."/biomes.lua")
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dofile(modpath.."/biomes/level1.lua")
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dofile(modpath.."/biomes/level2.lua")
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dofile(modpath.."/biomes/level3.lua")
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dofile(modpath.."/biomes/lava_sea.lua")
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dofile(modpath.."/biomes/underworld.lua")
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minetest.register_alias_force("mapgen_lava_source", "air") -- veins of lava are far more realistic
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minetest.register_ore({
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ore_type = "vein",
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ore = "default:lava_source",
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wherein = {
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"default:stone",
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"default:desert_stone",
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"default:sandstone",
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"default:sand",
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"default:desert_sand",
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"default:silver_sand",
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"default:gravel",
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"default:stone_with_coal",
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"default:stone_with_iron",
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"default:stone_with_copper",
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"default:stone_with_gold",
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"default:stone_with_diamond",
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"default:dirt",
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"default:dirt_with_grass",
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"default:dirt_with_dry_grass",
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"default:dirt_with_snow",
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"harderstone:weak_stone",
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},
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column_height_min = 2,
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column_height_max = 6,
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height_min = -31000,
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height_max = 512,
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noise_threshold = 0.9,
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noise_params = {
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offset = 0,
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scale = 3,
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spread = {x=400, y=800, z=400},
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seed = 25391,
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octaves = 4,
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persist = 0.5,
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flags = "eased",
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},
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random_factor = 0,
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})
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local c_air = minetest.get_content_id("air")
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local c_snowblock = minetest.get_content_id("default:snowblock")
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local c_obsidian = minetest.get_content_id("default:obsidian")
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local c_lava = minetest.get_content_id("default:lava_source")
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local water_level = minetest.get_mapgen_params().water_level
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local is_adjacent_to_air = function(area, data, pos)
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return pos.y > water_level and
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(data[area:index(pos.x+1, pos.y, pos.z)] == c_air
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or data[area:index(pos.x-1, pos.y, pos.z)] == c_air
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or data[area:index(pos.x, pos.y, pos.z+1)] == c_air
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or data[area:index(pos.x, pos.y, pos.z-1)] == c_air
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or data[area:index(pos.x, pos.y-1, pos.z)] == c_air)
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end
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dfcaverns.remove_unsupported_lava = function(area, data, vi)
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if data[vi] == c_lava then
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local pos = area:position(vi)
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if is_adjacent_to_air(area, data, pos) then
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data[vi] = c_air
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dfcaverns.remove_unsupported_lava(area, data, area:index(pos.x+1, pos.y, pos.z))
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dfcaverns.remove_unsupported_lava(area, data, area:index(pos.x-1, pos.y, pos.z))
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dfcaverns.remove_unsupported_lava(area, data, area:index(pos.x, pos.y, pos.z+1))
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dfcaverns.remove_unsupported_lava(area, data, area:index(pos.x, pos.y, pos.z-1))
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dfcaverns.remove_unsupported_lava(area, data, area:index(pos.x, pos.y+1, pos.z))
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end
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end
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end
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local data = {}
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minetest.register_on_generated(function(minp, maxp, seed)
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--if too far from water level, abort. Caverns are on their own.
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if minp.y > 512 or maxp.y < water_level then
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return
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end
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--easy reference to commonly used values
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local t_start = os.clock()
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local x_max = maxp.x
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local y_max = maxp.y
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local z_max = maxp.z
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local x_min = minp.x
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local y_min = minp.y
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local z_min = 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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vm:get_data(data)
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for z = z_min, z_max do -- for each xy plane progressing northwards
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--structure loop, hollows out the cavern
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for y = y_min, y_max do -- for each x row progressing upwards
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local vi = area:index(x_min, y, z) --current node index
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for x = x_min, x_max do -- for each node do
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dfcaverns.remove_unsupported_lava(area, data, vi)
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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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--send data back to voxelmanip
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vm:set_data(data)
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--calc lighting
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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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--write it to world
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vm:write_to_map(data)
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end)
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