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Add secondary ores gen in vein.

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This commit is contained in:
Tomáš Brada 2015-04-10 16:58:33 +02:00
parent c1cf871d2c
commit 65f286f233
2 changed files with 19 additions and 9 deletions
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6
ign.lua
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@ -64,10 +64,12 @@ rocksl.register_vein(ign.veins,"default:nyancat",{
radius={ average=10, amplitude=4, frequency=8 },
density=1,
rarity=0.025, -- this^3*mapblock_volume veins per mapblock
ores={
{ ore="default:sand", percent=30 },
{ ore="default:dirt", percent=30 },
}
})
-- { primary="rocks:pegmatite_diamond", size=3, count=5,
-- rarity=0.3 -- (this/count) chance of spawning cluster in the vein
minetest.register_on_generated(function(minp, maxp, seed)
rocksl.layergen(ign,minp,maxp,seed)

22
mapgen.lua
View File

@ -33,7 +33,7 @@ rocksl.register_vein=function(col,name,param)
radius={ average=param.radius.average, amplitude=param.radius.amplitude, frequency=param.radius.frequency },
density=(param.density or 1),
rarity=param.rarity,
localized={}
secondary=(param.ores or {}),
})
end
@ -41,9 +41,9 @@ rocksl.layergen=function(layer, minp, maxp, seed)
if ( (layer.top.offset+layer.top.scale)>minp.y )
and ( (layer.bot.offset-layer.bot.scale)<maxp.y )
then
stone_ctx= minetest.get_content_id("default:stone")
air_ctx= minetest.get_content_id("air")
dirt_ctx= minetest.get_content_id("default:dirt")
local stone_ctx= minetest.get_content_id("default:stone")
local air_ctx= minetest.get_content_id("air")
local dirt_ctx= minetest.get_content_id("default:dirt")
if layer.debugging then
layer.primary.ctx= air_ctx
else
@ -138,6 +138,7 @@ rocksl.veingen=function(veins,minp,maxp,seed)
local iterations_count= (vein.rarity*side_length)^3
iterations_count=iterations_count+(random:next(0,100)/100)
local primary_ctx=minetest.get_content_id(vein.primary)
for _,sec in pairs(vein.secondary) do sec.ctx=minetest.get_content_id(sec.ore) end
local wherein_ctx=minetest.get_content_id(vein.wherein)
--print("vein "..vein.primary.." ic="..iterations_count.." p="..primary_ctx.." w="..wherein_ctx)
for iteration=1, iterations_count do
@ -148,7 +149,7 @@ rocksl.veingen=function(veins,minp,maxp,seed)
local noise_ix=1
local posi = area:index(x0, y0, z0)
if ignore_wherein or (nodes[posi]==wherein_ctx) then
--print("vein "..vein.primary.." @ "..x0..","..y0..","..z0.." vrm="..vrm)
print("vein "..vein.primary.." @ "..x0..","..y0..","..z0.." vrm="..vrm)
did_generate=1
for x=-vrm, vrm do
for y=-vrm, vrm do
@ -157,8 +158,15 @@ rocksl.veingen=function(veins,minp,maxp,seed)
posi = area:index(posc.x, posc.y, posc.z)
local nv=noise[noise_ix]
if ((x^2)+(y^2)+(z^2))<((vein.radius.average+nv)^2) then
--minetest.set_node(posc, {name=vein.primary})
nodes[posi]=primary_ctx
local luck=random:next(0,99)
for _,sec in pairs(vein.secondary) do
luck=luck-sec.percent
if luck<=0 then
nodes[posi]=sec.ctx
break
end
end
end
noise_ix=noise_ix+1
end end end
@ -174,7 +182,7 @@ rocksl.veingen=function(veins,minp,maxp,seed)
manipulator:write_to_map()
print("end veingen "..(os.clock()-timebefore))
else
print("end veingen (nothin generated)")
--print("end veingen (nothin generated)")
end
end