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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31
init.lua
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@ -38,25 +38,40 @@ nether = {}
nether.modname = minetest.get_current_modname()
nether.path = minetest.get_modpath(nether.modname)
nether.get_translator = S
-- nether.useBiomes allows other mods to know whether they can register ores etc. in the Nether.
-- See mapgen.lua for an explanation of why minetest.read_schematic is being checked
nether.useBiomes = minetest.get_mapgen_setting("mg_name") ~= "v6" and minetest.read_schematic ~= nil
-- Settings
nether.DEPTH = -5000 -- The y location of the Nether
nether.FASTTRAVEL_FACTOR = 8 -- 10 could be better value for Minetest, since there's no sprint, but ex-Minecraft players will be mathing for 8
nether.PORTAL_BOOK_LOOT_WEIGHTING = 0.9 -- Likelyhood of finding the Book of Portals (guide) in dungeon chests. Set to 0 to disable.
nether.NETHER_REALM_ENABLED = true -- Setting to false disables the Nether and Nether portal
nether.DEPTH_CEILING = -5000 -- The y location of the Nether's celing
nether.DEPTH_FLOOR = -11000 -- The y location of the Nether's floor
nether.FASTTRAVEL_FACTOR = 8 -- 10 could be better value for Minetest, since there's no sprint, but ex-Minecraft players will be mathing for 8
nether.PORTAL_BOOK_LOOT_WEIGHTING = 0.9 -- Likelyhood of finding the Book of Portals (guide) in dungeon chests. Set to 0 to disable.
nether.NETHER_REALM_ENABLED = true -- Setting to false disables the Nether and Nether portal
-- Override default settings with values from the .conf file, if any are present.
nether.FASTTRAVEL_FACTOR = tonumber(minetest.settings:get("nether_fasttravel_factor") or nether.FASTTRAVEL_FACTOR)
nether.PORTAL_BOOK_LOOT_WEIGHTING = tonumber(minetest.settings:get("nether_portalBook_loot_weighting") or nether.PORTAL_BOOK_LOOT_WEIGHTING)
nether.NETHER_REALM_ENABLED = minetest.settings:get_bool("nether_realm_enabled", nether.NETHER_REALM_ENABLED)
nether.DEPTH_CEILING = tonumber(minetest.settings:get("nether_depth_ymax") or nether.DEPTH_CEILING)
nether.DEPTH_FLOOR = tonumber(minetest.settings:get("nether_depth_ymin") or nether.DEPTH_FLOOR)
if nether.DEPTH_FLOOR + 1000 > nether.DEPTH_CEILING then
error("The lower limit of the Nether must be set at least 1000 lower than the upper limit, and more than 3000 is recommended. Set settingtypes.txt, or 'All Settings' -> 'Mods' -> 'nether' -> 'Nether depth'", 0)
end
nether.DEPTH = nether.DEPTH_CEILING -- Deprecated, use nether.DEPTH_CEILING instead.
-- Load files
dofile(nether.path .. "/portal_api.lua")
dofile(nether.path .. "/nodes.lua")
if nether.NETHER_REALM_ENABLED then
dofile(nether.path .. "/mapgen.lua")
if nether.useBiomes then
dofile(nether.path .. "/mapgen.lua")
else
dofile(nether.path .. "/mapgen_nobiomes.lua")
end
end
dofile(nether.path .. "/portal_examples.lua")
@ -83,7 +98,7 @@ This opens to a truly hellish place, though for small mercies the air there is s
The expedition parties have found no diamonds or gold, and after an experienced search party failed to return from the trail of a missing expedition party, I must conclude this is a dangerous place.]], 10 * nether.FASTTRAVEL_FACTOR),
is_within_realm = function(pos) -- return true if pos is inside the Nether
return pos.y < nether.DEPTH
return pos.y < nether.DEPTH_CEILING
end,
find_realm_anchorPos = function(surface_anchorPos)
@ -91,7 +106,7 @@ The expedition parties have found no diamonds or gold, and after an experienced
local destination_pos = vector.divide(surface_anchorPos, nether.FASTTRAVEL_FACTOR)
destination_pos.x = math.floor(0.5 + destination_pos.x) -- round to int
destination_pos.z = math.floor(0.5 + destination_pos.z) -- round to int
destination_pos.y = nether.DEPTH - 1000 -- temp value so find_nearest_working_portal() returns nether portals
destination_pos.y = nether.DEPTH_CEILING - 1000 -- temp value so find_nearest_working_portal() returns nether portals
-- a y_factor of 0 makes the search ignore the altitude of the portals (as long as they are in the Nether)
local existing_portal_location, existing_portal_orientation =
@ -100,7 +115,7 @@ The expedition parties have found no diamonds or gold, and after an experienced
if existing_portal_location ~= nil then
return existing_portal_location, existing_portal_orientation
else
local start_y = nether.DEPTH - math.random(500, 1500) -- Search starting altitude
local start_y = nether.DEPTH_CEILING - math.random(500, 1500) -- Search starting altitude
destination_pos.y = nether.find_nether_ground_y(destination_pos.x, destination_pos.z, start_y)
return destination_pos
end