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option to seal off ocean pits

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This commit is contained in:
FaceDeer 2021-05-07 00:05:16 -06:00
parent c71766aaea
commit 1ca21e797f
3 changed files with 20 additions and 2 deletions
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19
pit_caves/init.lua
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@ -6,6 +6,8 @@ local max_depth = tonumber(minetest.settings:get("pit_caves_max_bottom") or -500
local min_top = tonumber(minetest.settings:get("pit_caves_min_top") or -100)
local max_top = tonumber(minetest.settings:get("pit_caves_max_top") or 100)
local seal_ocean = minetest.settings:get_bool("pit_caves_seal_ocean", true)
assert(min_depth < max_depth, "pit_caves_min_bottom is above pit_caves_max_bottom")
assert(min_top < max_top, "pit_caves_min_top is above pit_caves_max_top")
assert(max_depth < min_top, "pit_caves_max_bottom is above pit_caves_min_top")
@ -18,8 +20,12 @@ local pit_region_size = region_mapblocks * mapgen_chunksize * 16
local c_air = minetest.get_content_id("air")
local c_gravel = c_air
local water_node
if minetest.get_modpath("default") then
c_gravel = minetest.get_content_id("default:gravel")
if seal_ocean then
water_node = "default:water_source"
end
end
local water_level = tonumber(minetest.get_mapgen_setting("water_level"))
@ -93,10 +99,21 @@ minetest.register_on_generated(function(minp, maxp, seed)
local area = VoxelArea:new{MinEdge=emin, MaxEdge=emax}
vm:get_data(data)
if water_node and minp.y <= water_level and maxp.y >= water_level-240 then
local test_node = minetest.get_node(vector.new(location_x, water_level, location_z))
if test_node.name == water_node then
top = math.min(-32, top) -- we're coming up under the ocean, abort the pit.
-- note that this does depend on the water-level map block having been generated already,
-- which could lead to a sharp cutoff if that's not the case - if the player's coming
-- up a pit from below into an unexplored ocean, for example. But it should still at least
-- seal the hole before the ocean pours down into it, so that's acceptable. And I expect
-- most of the time the surface world will be explored first before pits are discovered.
end
end
local nvals_perlin = mapgen_helper.perlin3d("pit_caves:pit", emin, emax, perlin_params)
for vi, x, y, z in area:iterp_xyz(emin, emax) do
local distance_perturbation = (nvals_perlin[vi]+1)*10
local distance = vector.distance({x=x, y=y, z=z}, {x=location_x, y=y, z=location_z}) - distance_perturbation
local taper_min = top - 40

1
pit_caves/settingtypes.txt
View File

@ -3,3 +3,4 @@ pit_caves_max_bottom (Upper limit of bottoms of pits) int -500
pit_caves_min_top (Lower limit of tops of pits) int -100
pit_caves_max_top (Upper limit of tops of pits) int 100
pit_caves_mapblock_spacing (Average number of map blocks between pits) int 16
pit_caves_seal_ocean (Seal off pits that are under ocean water) bool true

2
subterrane

@ -1 +1 @@
Subproject commit 1f385fc84a72494dd4e09ef40717c5dcef3398ba
Subproject commit 331d08b1567cf023695832e4ab593d33720b9290