minetest-mods/nether
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Merge remote-tracking branch 'upstream/master'

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Sys Quatre
2020-07-31 22:23:04 +02:00
parent c0481ea4ca e326a94266
commit 97cf3250e4
8 changed files with 244 additions and 103 deletions
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22
mapgen.lua
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@ -113,7 +113,7 @@ override_underground_biomes()
-- nether:native_mapgen is used to prevent ores and decorations being generated according
-- to landforms created by the native mapgen.
-- Ores and decorations are registered against "nether:rack" instead, and the lua
-- Ores and decorations can be registered against "nether:rack" instead, and the lua
-- on_generate() callback will carve the Nether with nether:rack before invoking
-- generate_decorations and generate_ores.
minetest.register_node("nether:native_mapgen", {})
@ -160,7 +160,7 @@ minetest.register_ore({
ore_type = "scatter",
ore = "default:lava_source",
wherein = "nether:rack",
clust_scarcity = 32 * 32 * 32,
clust_scarcity = 36 * 36 * 36,
clust_num_ores = 4,
clust_size = 2,
y_max = NETHER_CEILING,
@ -465,10 +465,15 @@ end
-- use knowledge of the nether mapgen algorithm to return a suitable ground level for placing a portal.
function nether.find_nether_ground_y(target_x, target_z, start_y)
-- player_name is optional, allowing a player to spawn a remote portal in their own protected areas.
function nether.find_nether_ground_y(target_x, target_z, start_y, player_name)
local nobj_cave_point = minetest.get_perlin(np_cave)
local air = 0 -- Consecutive air nodes found
local minp_schem, maxp_schem = nether.get_schematic_volume({x = target_x, y = 0, z = target_z}, nil, "nether_portal")
local minp = {x = minp_schem.x, y = 0, z = minp_schem.z}
local maxp = {x = maxp_schem.x, y = 0, z = maxp_schem.z}
for y = start_y, math_max(NETHER_FLOOR + BLEND, start_y - 4096), -1 do
local nval_cave = nobj_cave_point:get3d({x = target_x, y = y, z = target_z})
@ -476,13 +481,14 @@ function nether.find_nether_ground_y(target_x, target_z, start_y)
air = air + 1
else -- Not cavern, check if 4 nodes of space above
if air >= 4 then
local portal_y = y + 1
-- Check volume for non-natural nodes
local minp = {x = target_x - 1, y = y , z = target_z - 2}
local maxp = {x = target_x + 2, y = y + 4, z = target_z + 2}
if nether.volume_is_natural(minp, maxp) then
return y + 1
minp.y = minp_schem.y + portal_y
maxp.y = maxp_schem.y + portal_y
if nether.volume_is_natural_and_unprotected(minp, maxp, player_name) then
return portal_y
else -- Restart search a little lower
nether.find_nether_ground_y(target_x, target_z, y - 16)
nether.find_nether_ground_y(target_x, target_z, y - 16, player_name)
end
else -- Not enough space, reset air to zero
air = 0