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valleys_mapgen
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Improve memory efficiency per lua_api.

master
Duane Robertson 2016-03-03 03:17:31 -06:00
parent 519c2b9c1a
commit 03bf06e95f
2 changed files with 12 additions and 9 deletions
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6
mapgen.lua
View File

@ -143,6 +143,10 @@ if vmg.define("stone_ores", true) then
minetest.register_ore({ore_type="sheet", ore="default:desert_stone", wherein="default:stone", clust_num_ores=250, clust_scarcity=60, clust_size=10, y_min=-1000, y_max=31000, noise_threshhold=0.1, noise_params={offset=0, scale=1, spread={x=256, y=256, z=256}, seed=163281090, octaves=5, persist=0.60}, random_factor=1.0})
end
local data = {}
-- THE MAPGEN FUNCTION
function vmg.generate(minp, maxp, seed)
if vmg.registered_on_first_mapgen then -- Run callbacks
@ -212,7 +216,7 @@ function vmg.generate(minp, maxp, seed)
-- The VoxelManipulator, a complicated but speedy method to set many nodes at the same time
local vm, emin, emax = minetest.get_mapgen_object("voxelmanip")
local data = vm:get_data() -- data is the original array of content IDs (solely or mostly air)
vm:get_data(data) -- data is the original array of content IDs (solely or mostly air)
-- Be careful: emin ≠ minp and emax ≠ maxp !
-- The data array is not limited by minp and maxp. It exceeds it by 16 nodes in the 6 directions.
-- The real limits of data array are emin and emax.

15
mapgen_c.lua
View File

@ -141,6 +141,9 @@ end
--end
local data = {}
-- THE MAPGEN FUNCTION
function vmg.generate(minp, maxp, seed)
if vmg.registered_on_first_mapgen then -- Run callbacks
@ -222,7 +225,7 @@ function vmg.generate(minp, maxp, seed)
-- The VoxelManipulator, a complicated but speedy method to set many nodes at the same time
local vm, emin, emax = minetest.get_mapgen_object("voxelmanip")
local data = vm:get_data() -- data is the original array of content IDs (solely or mostly air)
vm:get_data(data) -- data is the original array of content IDs (solely or mostly air)
-- Be careful: emin ≠ minp and emax ≠ maxp !
-- The data array is not limited by minp and maxp. It exceeds it by 16 nodes in the 6 directions.
-- The real limits of data array are emin and emax.
@ -322,16 +325,12 @@ function vmg.generate(minp, maxp, seed)
-- Humidity and temperature are simplified from the original,
-- and derived from the actual mapgen.
local humidity = 2 ^ (v13 - v15 + (humiditymap[i2d] / 25) - 2)
-- This compensates for the soil humidity handling in the
-- original, but it's a very subtle effect.
-- Hopefully, changes in the C++ will make this unecessary.
humidity = humidity * (1 - math.exp(-math.max(4 - math.sqrt(math.abs(y)) / 4, 0) - 0.5))
local temperature = (heatmap[i2d] - 32) / 60 + 1
-- Add sea humidity (the mapgen doesn't)
if humidity < 1.8 and y < 5 then
humidity = humidity * (1 + (5 - y) * 10)
end
--if humidity < 1.8 and y < 5 then
-- humidity = humidity * (1 + (5 - y) * 10)
--end
-- Replace the nodes.
if data[ivm] == node["dirt"] then