HeroOfTheWinds/fractured
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changed orethinning algorithm to a function you can choose from. moved default spawn back a bit further

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This commit is contained in:
Kilarin 2015-03-05 09:01:33 -06:00
parent 84b1adc77c
commit c375a6ab6d
2 changed files with 24 additions and 2 deletions
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2
mods/newspawn/init.lua
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@ -3,7 +3,7 @@
---
--- constants
---
local nspawn_pos={x=50,y=5,z=0}
local nspawn_pos={x=60,y=5,z=0}
--do not set static_spawn in minetest.conf, this will override it.

24
mods/orethinning/init.lua
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@ -17,6 +17,8 @@ local orethin_westadj=1
--grab content IDs -- You need these to efficiently access and set node data. get_node() works, but is far slower
local c_air = minetest.get_content_id("air")
local c_stone = minetest.get_content_id("default:stone")
@ -63,6 +65,23 @@ local c_goldblock = minetest.get_content_id("default:goldblock")
local c_diamondblock = minetest.get_content_id("default:diamondblock")
--thins linearly over the whole range to maxdist
function orethin_adj_linear(dist)
return dist/orethin_maxdist
end
--algorithm by HeroOfTheWinds that heavily thins for the
--first 1000 nodes before rapidly becoming abundant.
function orethin_adj_exponental(dist)
return (orethin_maxdist/(1+(orethin_maxdist-1)* math.exp(-.0075*dist))) / orethin_maxdist
end
--chose the algorithm for ore thinning (comment out all others)
local orethin_adj_algorithm=orethin_adj_linear
--local orethin_adj_algorithm=orethin_adj_exponental
---ORE THINNING
minetest.register_on_generated(function(minp, maxp, seed)
--if out of range of ore_gen limits (will need to change this when skylands implemented
@ -93,7 +112,10 @@ minetest.register_on_generated(function(minp, maxp, seed)
if dist > orethin_maxdist then
dist=orethin_maxdist
end --orethin_maxdist
local adj= (orethin_maxdist/(1+(orethin_maxdist-1)* math.exp(-.0075*dist))) / orethin_maxdist --(dist/orethin_maxdist)--original code.
--local adj= (orethin_maxdist/(1+(orethin_maxdist-1)* math.exp(-.0075*dist))) / orethin_maxdist --(dist/orethin_maxdist)--original code.
local adj=orethin_adj_algorithm(dist)
--New code makes ore thin until about 1000 nodes away, and then it rapidly gets more common. To adjust distribution, change the value currently at -.0075. Closer to 0 is more thinning, greater negative numbers are less thinning.
if adj < orethin_mindensity then
adj=orethin_mindensity --because we don't want spawn completely bare