mirror of
https://github.com/minetest-mods/magma_conduits.git
synced 2025-01-22 20:31:42 +01:00
Initial stab at volcano mapgen
This commit is contained in:
FaceDeer
parent
ffeeb026dc
commit
bf6f683211
@ -29,6 +29,9 @@ setting("bool", "ameliorate_floods", true, "Ameliorate lava floods on the surfac
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setting("bool", "obsidian_lining", true, "Add an obsidian lining to magma conduits")
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setting("bool", "glowing_rock", true, "Cause rock adjacent to lava to convert into glowing form")
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setting("int", "remove_lava_above", 512, "Remove lava above this y level")
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setting("bool", "magma_veins", true, "Enable magma veins")
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setting("bool", "volcanoes", true, "Enable volcanoes")
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-- Removing this setting on account of issue https://github.com/minetest/minetest/issues/7364
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--setting("int", "upper_limit", 512, "Upper extent of magma conduits")
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--setting("int", "lower_limit", -31000, "Lower extent of magma conduits")
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135
init.lua
135
init.lua
@ -6,138 +6,9 @@ dofile(modpath.."/voxelarea_iterator.lua")
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dofile(modpath.."/hot_rock.lua")
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if magma_conduits.config.remove_default_lava then
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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_alias_force("mapgen_lava_source", "air")
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end
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-- Hard-coding on account of issue https://github.com/minetest/minetest/issues/7364
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local height_min = -31000 -- magma_conduits.config.lower_limit
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local height_max = 31000 --magma_conduits.config.upper_limit
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dofile(modpath.."/magma_veins.lua")
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dofile(modpath.."/volcanoes.lua")
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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: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_tin",
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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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"default:dirt_with_rainforest_litter",
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"default:dirt_with_coniferous_litter",
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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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},
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column_height_min = 2,
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column_height_max = 6,
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y_min = height_min,
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y_max = height_max,
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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=magma_conduits.config.spread, y=magma_conduits.config.spread*2, z=magma_conduits.config.spread},
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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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-------------------------------------------------------------------------------------------------
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local water_level = tonumber(minetest.get_mapgen_setting("water_level"))
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local lava_y_cutoff = magma_conduits.config.remove_lava_above
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-- if the y cutoff is at or below water level, ameliorate_floods is pointless.
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local ameliorate_floods = magma_conduits.config.ameliorate_floods and lava_y_cutoff > water_level
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local obsidian_lining = magma_conduits.config.obsidian_lining
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local c_air = minetest.get_content_id("air")
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local c_lava = minetest.get_content_id("default:lava_source")
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local c_stone = minetest.get_content_id("default:stone")
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local c_obsidian = minetest.get_content_id("default:obsidian")
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local is_adjacent_to_air = function(area, data, x, y, z)
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return (data[area:index(x+1, y, z)] == c_air
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or data[area:index(x-1, y, z)] == c_air
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or data[area:index(x, y, z+1)] == c_air
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or data[area:index(x, y, z-1)] == c_air
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or data[area:index(x, y-1, z)] == c_air)
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end
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local remove_unsupported_lava
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remove_unsupported_lava = function(area, data, vi, x, y, z)
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--if below water level, abort. Caverns are on their own.
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if y < water_level or y > lava_y_cutoff or not area:contains(x, y, z) then return end
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if data[vi] == c_lava then
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if is_adjacent_to_air(area, data, x, y, z) then
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data[vi] = c_air
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for pi, x2, y2, z2 in area:iter_xyz(x-1, y, z-1, x+1, y+1, z+1) do
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if pi ~= vi and area:containsi(pi) then
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remove_unsupported_lava(area, data, pi, x2, y2, z2)
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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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-- If we're adding glow versions of rock, then place glow obsidian directly.
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local obsidianize_id
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if magma_conduits.config.glowing_rock then
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obsidianize_id = minetest.get_content_id("magma_conduits:glow_obsidian")
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else
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obsidianize_id = c_obsidian
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end
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local obsidianize = function(area, data, vi, x, y, z, minp, maxp)
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if data[vi] == c_lava then
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for pi in area:iter(math.max(x-1, minp.x), math.max(y-1, minp.y), math.max(z-1, minp.z),
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math.min(x+1, maxp.x), math.min(y+1, maxp.y), math.min(z+1, maxp.z)) do
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if data[pi] == c_stone then
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data[pi] = obsidianize_id
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end
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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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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 vi, x, y, z in area:iterp_xyz(minp, maxp) do
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if y > lava_y_cutoff and data[vi] == c_lava then
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data[vi] = c_air
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else
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if obsidian_lining then
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obsidianize(area, data, vi, x, y, z, minp, maxp)
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end
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if ameliorate_floods then
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remove_unsupported_lava(area, data, vi, x, y, z)
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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()
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end)
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132
magma_veins.lua
Normal file
132
magma_veins.lua
Normal file
@ -0,0 +1,132 @@
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-- Hard-coding on account of issue https://github.com/minetest/minetest/issues/7364
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local height_min = -31000 -- magma_conduits.config.lower_limit
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local height_max = 31000 --magma_conduits.config.upper_limit
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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: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_tin",
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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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"default:dirt_with_rainforest_litter",
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"default:dirt_with_coniferous_litter",
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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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},
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column_height_min = 2,
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column_height_max = 6,
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y_min = height_min,
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y_max = height_max,
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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=magma_conduits.config.spread, y=magma_conduits.config.spread*2, z=magma_conduits.config.spread},
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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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-------------------------------------------------------------------------------------------------
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local water_level = tonumber(minetest.get_mapgen_setting("water_level"))
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local lava_y_cutoff = magma_conduits.config.remove_lava_above
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-- if the y cutoff is at or below water level, ameliorate_floods is pointless.
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local ameliorate_floods = magma_conduits.config.ameliorate_floods and lava_y_cutoff > water_level
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local obsidian_lining = magma_conduits.config.obsidian_lining
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local c_air = minetest.get_content_id("air")
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local c_lava = minetest.get_content_id("default:lava_source")
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local c_stone = minetest.get_content_id("default:stone")
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local c_obsidian = minetest.get_content_id("default:obsidian")
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local is_adjacent_to_air = function(area, data, x, y, z)
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return (data[area:index(x+1, y, z)] == c_air
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or data[area:index(x-1, y, z)] == c_air
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or data[area:index(x, y, z+1)] == c_air
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or data[area:index(x, y, z-1)] == c_air
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or data[area:index(x, y-1, z)] == c_air)
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end
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local remove_unsupported_lava
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remove_unsupported_lava = function(area, data, vi, x, y, z)
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--if below water level, abort. Caverns are on their own.
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if y < water_level or y > lava_y_cutoff or not area:contains(x, y, z) then return end
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if data[vi] == c_lava then
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if is_adjacent_to_air(area, data, x, y, z) then
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data[vi] = c_air
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for pi, x2, y2, z2 in area:iter_xyz(x-1, y, z-1, x+1, y+1, z+1) do
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if pi ~= vi and area:containsi(pi) then
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remove_unsupported_lava(area, data, pi, x2, y2, z2)
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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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-- If we're adding glow versions of rock, then place glow obsidian directly.
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local obsidianize_id
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if magma_conduits.config.glowing_rock then
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obsidianize_id = minetest.get_content_id("magma_conduits:glow_obsidian")
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else
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obsidianize_id = c_obsidian
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end
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local obsidianize = function(area, data, vi, x, y, z, minp, maxp)
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if data[vi] == c_lava then
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for pi in area:iter(math.max(x-1, minp.x), math.max(y-1, minp.y), math.max(z-1, minp.z),
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math.min(x+1, maxp.x), math.min(y+1, maxp.y), math.min(z+1, maxp.z)) do
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if data[pi] == c_stone then
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data[pi] = obsidianize_id
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end
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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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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 vi, x, y, z in area:iterp_xyz(minp, maxp) do
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if y > lava_y_cutoff and data[vi] == c_lava then
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data[vi] = c_air
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else
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if obsidian_lining then
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obsidianize(area, data, vi, x, y, z, minp, maxp)
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end
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if ameliorate_floods then
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remove_unsupported_lava(area, data, vi, x, y, z)
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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()
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end)
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@ -3,4 +3,6 @@ magma_conduits_ameliorate_floods (Ameliorate lava floods on the surface) bool tr
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magma_conduits_obsidian_lining (Adds an obsidian lining to magma conduits) bool true
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magma_conduits_remove_default_lava (Remove default mapgen lava) bool true
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magma_conduits_glowing_rock (Cause rock adjacent to lava to convert into "glowing" form) bool true
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magma_conduits_remove_lava_above (Removes any lava above this y level) int 512
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magma_conduits_remove_lava_above (Removes any lava above this y level) int 512
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magma_conduits_magma_veins (Enable magma veins) bool true
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magma_conduits_volcanoes (Enable volcanoes) bool true
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187
volcanoes.lua
Normal file
187
volcanoes.lua
Normal file
@ -0,0 +1,187 @@
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local depth_root = -3000
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local depth_base = -50
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local depth_maxwidth = -10
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local depth_maxpeak = 200
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local depth_minpeak = 20
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local radius_vent = 5
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local radius_lining = 7
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local slope_min = 0.25
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local slope_max = 1.75
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local chunk_size = 1000
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local c_air = minetest.get_content_id("air")
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local c_lava = minetest.get_content_id("default:lava_source")
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local c_lining = minetest.get_content_id("default:obsidian")
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local c_hot_lining = minetest.get_content_id("default:obsidian")
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local c_cone = minetest.get_content_id("default:stone")
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local c_ash = minetest.get_content_id("default:gravel")
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local c_soil = minetest.get_content_id("default:dirt_with_grass")
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local c_plug = minetest.get_content_id("default:obsidian")
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local c_stone = minetest.get_content_id("default:stone")
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local c_water = minetest.get_content_id("default:water_source")
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if magma_conduits.config.glowing_rock then
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c_hot_lining = minetest.get_content_id("magma_conduits:glow_obsidian")
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end
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local mapgen_seed = tonumber(minetest.get_mapgen_setting("seed"))
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-- derived values
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local radius_cone_max = (depth_maxpeak-depth_maxwidth)/(2*slope_min)
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local depth_maxwidth_dist = depth_maxwidth-depth_base
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local depth_maxpeak_dist = depth_maxpeak-depth_maxwidth
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local scatter_2d = function(min_xz, gridscale, border_width)
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local bordered_scale = gridscale - 2 * border_width
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local point = {}
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point.x = math.random() * bordered_scale + min_xz.x + border_width
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point.y = 0
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point.z = math.random() * bordered_scale + min_xz.z + border_width
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return point
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end
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local get_volcano = function(pos)
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local corner_xz = {x = math.floor(pos.x / chunk_size) * chunk_size, z = math.floor(pos.z / chunk_size) * chunk_size}
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local next_seed = math.random(1, 1000000000)
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math.randomseed(corner_xz.x + corner_xz.z * 2 ^ 8 + mapgen_seed)
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local location = scatter_2d(corner_xz, chunk_size, radius_cone_max)
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local depth_peak = math.random(depth_minpeak, depth_maxpeak)
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local depth_lava = math.random(depth_peak - 50, depth_peak)
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local slope = math.random() * (slope_max - slope_min) + slope_min
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local state = math.random()
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math.randomseed(next_seed)
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return {location = location, depth_peak = depth_peak, depth_lava = depth_lava, slope = slope, state = state}
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end
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local perlin_params = {
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offset = 0,
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scale = 1,
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spread = {x=30, y=30, z=30},
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seed = -40901,
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octaves = 3,
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persist = 0.67
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}
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local nvals_perlin_buffer = {}
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local nobj_perlin = nil
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local data = {}
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minetest.register_on_generated(function(minp, maxp, seed)
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if minp.y > depth_maxpeak then
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return
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end
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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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local minx = minp.x
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local minz = minp.z
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local sidelen = maxp.x - minp.x + 1 --length of a mapblock
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local chunk_lengths = {x = sidelen, y = sidelen, z = sidelen} --table of chunk edges
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nobj_perlin = nobj_perlin or minetest.get_perlin_map(perlin_params, chunk_lengths)
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local nvals_perlin = nobj_perlin:get3dMap_flat(minp, nvals_perlin_buffer) -- switch to get_3d_map_flat for minetest v0.5
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local noise_area = VoxelArea:new{MinEdge=minp, MaxEdge=maxp}
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local noise_iterator = noise_area:iterp(minp, maxp)
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local volcano = get_volcano(minp)
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minetest.debug(dump(volcano))
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local x_coord = volcano.location.x
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local z_coord = volcano.location.z
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local depth_lava = volcano.depth_lava
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local depth_peak = volcano.depth_peak
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local base_radius = (depth_peak - depth_maxwidth) * volcano.slope + radius_lining
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local state = volcano.state
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||||
local dirtstuff
|
||||
if state < 0.5 then
|
||||
dirtstuff = c_soil
|
||||
else
|
||||
dirtstuff = c_ash
|
||||
end
|
||||
|
||||
for vi, x, y, z in area:iterp_xyz(minp, maxp) do
|
||||
|
||||
local vi3d = noise_iterator()
|
||||
|
||||
local distance_perturbation = (nvals_perlin[vi3d]+1)*10
|
||||
local distance = vector.distance({x=x, y=y, z=z}, {x=x_coord, y=y, z=z_coord}) - distance_perturbation
|
||||
|
||||
if distance > base_radius * 2.5 then
|
||||
return
|
||||
end
|
||||
|
||||
local pipestuff
|
||||
local liningstuff
|
||||
if y < depth_lava + math.random() * 1.1 then
|
||||
if state < 0.25 then
|
||||
pipestuff = c_plug -- extinct volcano
|
||||
liningstuff = c_lining
|
||||
else
|
||||
pipestuff = c_lava
|
||||
liningstuff = c_hot_lining
|
||||
end
|
||||
else
|
||||
if state < 0.5 then
|
||||
pipestuff = c_plug -- dormant volcano
|
||||
liningstuff = c_lining
|
||||
else
|
||||
pipestuff = c_air -- active volcano
|
||||
liningstuff = c_lining
|
||||
end
|
||||
end
|
||||
|
||||
if y < depth_base then -- pipe
|
||||
if distance < radius_vent then
|
||||
data[vi] = pipestuff
|
||||
elseif distance < radius_lining then
|
||||
if data[vi] == c_stone or data[vi] == c_water then
|
||||
data[vi] = liningstuff
|
||||
end
|
||||
end
|
||||
elseif y < depth_maxwidth then -- root
|
||||
if distance < radius_vent then
|
||||
data[vi] = pipestuff
|
||||
elseif distance < radius_lining then
|
||||
data[vi] = liningstuff
|
||||
elseif distance < radius_lining + ((y - depth_base)/depth_maxwidth_dist) * base_radius then
|
||||
data[vi] = c_cone
|
||||
end
|
||||
elseif y < depth_peak then -- cone
|
||||
if vector.distance({x=x, y=y, z=z}, {x=x_coord, y=depth_peak, z=z_coord}) - distance_perturbation < radius_lining * 2.5 then
|
||||
data[vi] = c_air -- caldera
|
||||
elseif distance < radius_vent then
|
||||
data[vi] = pipestuff
|
||||
elseif distance < radius_lining then
|
||||
data[vi] = liningstuff
|
||||
elseif distance < y * -volcano.slope + base_radius then
|
||||
data[vi] = c_cone
|
||||
elseif distance < y * -volcano.slope + base_radius + nvals_perlin[vi3d]*-4 then
|
||||
data[vi] = dirtstuff
|
||||
end
|
||||
end
|
||||
|
||||
end
|
||||
|
||||
--minetest.generate_decorations(vm, minp, maxp)
|
||||
--minetest.generate_ores(vm, minp, maxp)
|
||||
|
||||
--send data back to voxelmanip
|
||||
vm:set_data(data)
|
||||
--calc lighting
|
||||
vm:set_lighting({day = 0, night = 0})
|
||||
vm:calc_lighting()
|
||||
vm:update_liquids()
|
||||
--write it to world
|
||||
vm:write_to_map()
|
||||
end)
|
||||
Loading…
Reference in New Issue
Block a user