minetest-mods/nether
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Add biomes-based implementation of the mapgen, and decorations

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Prevents the c++/native mapgen from placing ores or decorations (when useBiomes is true).
The biomes-based implementation is faster, more deterministic, and keeps its dungeons, but requires MT 5.1 features to work.

Also
 * Glowstone & Netherrack stalactites
 * Include the new decorations in mapgen_nobiomes
 * Decorate dungeons - Add windows and glowstone "chandeliers" to some rooms
 * Configurable Nether floor and ceiling depths
This commit is contained in:
Treer
2020-06-05 22:20:54 +10:00
committed by Treer
parent 94222d44e0
commit f4255f5d1f
5 changed files with 684 additions and 21 deletions
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28
mapgen_nobiomes.lua
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@ -19,11 +19,11 @@
]]--
nether.DEPTH_FLOOR = -30912 -- this mapgen will create Nether all the way down
-- Parameters
local NETHER_DEPTH = nether.DEPTH
local NETHER_CEILING = nether.DEPTH_CEILING
local NETHER_FLOOR = nether.DEPTH_FLOOR
local TCAVE = 0.6
local BLEND = 128
@ -44,13 +44,15 @@ local np_cave = {
-- Stuff
local yblmax = NETHER_DEPTH - BLEND * 2
local yblmin = NETHER_FLOOR + BLEND * 2
local yblmax = NETHER_CEILING - BLEND * 2
-- Mapgen
dofile(nether.path .. "/mapgen_decorations.lua")
-- Initialize noise object, localise noise and data buffers
local nobj_cave = nil
@ -92,15 +94,15 @@ local c_netherrack = minetest.get_content_id("nether:rack")
-- On-generated function
minetest.register_on_generated(function(minp, maxp, seed)
if minp.y > NETHER_DEPTH then
if minp.y > NETHER_CEILING or maxp.y < NETHER_FLOOR then
return
end
local x1 = maxp.x
local y1 = maxp.y
local y1 = math.min(maxp.y, NETHER_CEILING)
local z1 = maxp.z
local x0 = minp.x
local y0 = minp.y
local y0 = math.max(minp.y, NETHER_FLOOR)
local z0 = minp.z
local vm, emin, emax = minetest.get_mapgen_object("voxelmanip")
@ -126,11 +128,9 @@ minetest.register_on_generated(function(minp, maxp, seed)
local tcave
local in_chunk_y = false
if y >= y0 and y <= y1 then
if y > yblmax then
tcave = TCAVE + ((y - yblmax) / BLEND) ^ 2
else
tcave = TCAVE
end
tcave = TCAVE
if y > yblmax then tcave = TCAVE + ((y - yblmax) / BLEND) ^ 2 end
if y < yblmin then tcave = TCAVE + ((yblmin - y) / BLEND) ^ 2 end
in_chunk_y = true
end
@ -189,6 +189,10 @@ minetest.register_on_generated(function(minp, maxp, seed)
end
vm:set_data(data)
-- avoid generating decorations on the underside of the bottom of the nether
if minp.y > NETHER_FLOOR and maxp.y < NETHER_CEILING then minetest.generate_decorations(vm) end
vm:set_lighting({day = 0, night = 0}, minp, maxp)
vm:calc_lighting()
vm:update_liquids()