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7a07b8ca2f
rocks/init.lua
Tomáš Brada 7a07b8ca2f Preparations for upcomming veins and noisemaps.
2014-12-29 00:01:36 +01:00

356 lines
9.8 KiB
Lua
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-- Load translation library if intllib is installed
local S
if (minetest.get_modpath("intllib")) then
dofile(minetest.get_modpath("intllib").."/intllib.lua")
S = intllib.Getter(minetest.get_current_modname())
else
S = function ( s ) return s end
end
rocks = {}
rocks.layers = {}
rocks.veins = {}
rocks.ores = {}
rocks.layer_scale=300
rocks.layer_presist=0.7
rocks.layer_octaves=3
rocks.register_layer=function(name,params)
assert(name)
assert(params)
assert(params.gain)
assert(params.height)
local maxheight
for ln,ld in pairs(rocks.layers) do
if (ld.height<params.height)and ((not ld.maxheight) or (ld.maxheight>params.height)) then ld.maxheight=params.height end
if (ld.height>params.height)and((not maxheight) or (maxheight>ld.height)) then maxheight=ld.height end
end
rocks.layers[name]= {
gain=params.gain,
height=params.height,
maxheight=maxheight,
limit=params.limit,
seed=params.seed,
sum=0,
rocks={}
}
print("[rocks] register layer "..name)
end
rocks.register_rock=function(layer,block,amount)
assert(layer)
assert(block)
assert(amount)
assert(rocks.layers[layer])
table.insert(rocks.layers[layer].rocks, { block=block, amount=amount})
rocks.layers[layer].sum=rocks.layers[layer].sum+amount
print("[rocks] register rock "..block.." in "..layer.." amount="..amount.." cur sum="..rocks.layers[layer].sum)
end
--
-- test layer
--
rocks.register_layer("test1",{ gain=40, height=70, limit=2, seed=1 })
rocks.register_rock("test1","rocks:black_granite",1)
rocks.register_rock("test1","air",1)
rocks.register_layer("test2",{ gain=5, height=70, limit=2, seed=5 })
rocks.register_rock("test2","default:stone_with_coal",1)
rocks.register_layer("test3",{ gain=40, height=65, limit=2, seed=3 })
rocks.register_rock("test3","rocks:pink_granite",1)
rocks.register_rock("test3","air",1)
rocks.register_layer("test4",{ gain=40, height=90, limit=2, seed=4 })
rocks.register_rock("test4","rocks:white_granite",1)
rocks.register_rock("test4","air",1)
for ln,ld in pairs(rocks.layers) do
print("[rocks] debug: "..ln..": "..minetest.serialize(ld))
end
--
-- layer generator
--
local function mkheightmap(layers,x,z,miny,maxy)
local hm={}
for ln,ld in pairs(rocks.layers) do
if not ld.noise then
print("[rocks] initialize perlin noise for layer "..ln)
ld.noise=minetest.get_perlin(ld.seed, rocks.layer_octaves, rocks.layer_presist, rocks.layer_scale)
end
if (ld.height-ld.gain<maxy)and((not ld.maxheight)or(ld.maxheight+ld.gain>miny)) then
local noise=ld.noise:get2d({x=x,y=z})
if math.abs(noise)<ld.limit then
ld.nh = (noise*ld.gain)+ld.height
-- if (ld.nh<maxy)and(ld.nh>miny)
table.insert(hm,ld)
end
end
end
return hm
end
local stonectx=nil
minetest.register_on_generated(function(minp, maxp, seed)
if not stonectx then stonectx= minetest.get_content_id("default:stone") end
-- noise values range (-1;+1) (1 octave)
-- 3 octaves it is like 1.7 max
-- 4 octaves with 0.8 presist = 2.125 max !!
-- if ...
local timebefore=os.clock();
local manipulator, emin, emax = minetest.get_mapgen_object("voxelmanip")
local nodes = manipulator:get_data()
local area = VoxelArea:new{MinEdge=emin, MaxEdge=emax}
-- initialize noises and sort out unused layers
local avllayers=rocks.layers -- impl mknoises(rocks.layers,minp,maxp)
--
for x=minp.x,maxp.x,1 do
for z=minp.z,maxp.z,1 do
--initialize layers hmap
local layers=mkheightmap(avllayers,x,z,minp.y,maxp.y)
if (minp.x>0)and(minp.x<200) then layers=nil end --< debug
if layers then for y=minp.y,maxp.y,1 do
-- select layer
local layer
for ln,ld in pairs(layers) do
if (ld)and
(ld.nh<y)and
((not layer)or(ld.height>layer.height))
then
layer=ld
end
end
-- select vein
if layer then
-- layer=todo... iterate vein's noises and select one above it's treshold
end
-- select rock
local rock=nil
if layer then
rock=layer.rocks[1] -- todo...
--> based on pseudorandom, no pattern, just random
end
-- place rocks
if rock then
if not rock.ctx then
rock.ctx=minetest.get_content_id(rock.block)
end
local p_pos = area:index(x, y, z)
nodes[p_pos] = rock.ctx
end
end end
end
end
manipulator:set_data(nodes)
-- manipulator:calc_lighting()
-- manipulator:update_liquids()
manipulator:write_to_map()
print("[rocks] gen "..os.clock()-timebefore)
end)
minetest.register_on_shutdown(
function(playername, param)
for layername,layer in pairs(rocks.layers) do
for rockix,rock in pairs(layer.rocks) do
print("[rock] stats"..minetest.serialize( {
layer=layername,
rock=rock
}))
end
end
end
)
--
--Bedrock
--
minetest.register_node( "rocks:pink_granite", {
description = "Pink Granite",
tiles = { "rocks_pgr.png" },
is_ground_content = true,
groups = {cracky=3, stone=1},
sounds = default.node_sound_stone_defaults(),
})
minetest.register_ore({
ore_type = "sheet",
ore = "rocks:pink_granite",
wherein = "do_not_generate",
clust_scarcity = 1,
clust_num_ores = 1,
clust_size = 60,
height_min = -31000,
height_max = -46,
noise_threshhold = 0.2,
noise_params = {offset=0, scale=80, spread={x=4350, y=4350, z=4350}, seed=31, octaves=11, persist=0.0000000001}
})
minetest.register_node( "rocks:black_granite", {
description = "Black Granite",
tiles = { "rocks_blkgr.png" },
is_ground_content = true,
groups = {cracky=3, stone=1},
sounds = default.node_sound_stone_defaults(),
})
minetest.register_ore({
ore_type = "sheet",
ore = "rocks:black_granite",
wherein = "do_not_generate",
clust_scarcity = 1,
clust_num_ores = 1,
clust_size = 60,
height_min = -31000,
height_max = -46,
noise_threshhold = 0.2,
noise_params = {offset=0, scale=80, spread={x=4350, y=4350, z=4350}, seed=32, octaves=11, persist=0.0000000001}
})
minetest.register_node( "rocks:white_granite", {
description = "White Granite",
tiles = { "rocks_wgr.png" },
is_ground_content = true,
groups = {cracky=3, stone=1},
sounds = default.node_sound_stone_defaults(),
})
minetest.register_ore({
ore_type = "sheet",
ore = "rocks:white_granite",
wherein = "do_not_generate",
clust_scarcity = 1,
clust_num_ores = 1,
clust_size = 60,
height_min = -31000,
height_max = -46,
noise_threshhold = 0.2,
noise_params = {offset=0, scale=80, spread={x=4350, y=4350, z=4350}, seed=33, octaves=11, persist=0.0000000001}
})
minetest.register_node( "rocks:brown_granite", {
description = "Brown Granite",
tiles = { "rocks_brgr.png" },
is_ground_content = true,
groups = {cracky=3, stone=1},
sounds = default.node_sound_stone_defaults(),
})
minetest.register_ore({
ore_type = "sheet",
ore = "rocks:brown_granite",
wherein = "do_not_generate",
clust_scarcity = 1,
clust_num_ores = 1,
clust_size = 60,
height_min = -31000,
height_max = -46,
noise_threshhold = 0.2,
noise_params = {offset=0, scale=80, spread={x=4350, y=4350, z=4350}, seed=34, octaves=11, persist=0.0000000001}
})
minetest.register_node( "rocks:red_sandstone", {
description = "Red Sandstone",
tiles = { "rocks_rss.png" },
is_ground_content = true,
groups = {cracky=3, stone=1},
sounds = default.node_sound_stone_defaults(),
})
minetest.register_ore({
ore_type = "sheet",
ore = "rocks:red_sandstone",
wherein = "do_not_generate",
clust_scarcity = 1,
clust_num_ores = 1,
clust_size = 60,
height_min = -31000,
height_max = -46,
noise_threshhold = 0.2,
noise_params = {offset=0, scale=80, spread={x=4350, y=4350, z=4350}, seed=35, octaves=11, persist=0.0000000001}
})
minetest.register_node( "rocks:yellow_sandstone", {
description = "Yellow Sandstone",
tiles = { "rocks_yss.png" },
is_ground_content = true,
groups = {cracky=3, stone=1},
sounds = default.node_sound_stone_defaults(),
})
minetest.register_ore({
ore_type = "sheet",
ore = "rocks:yellow_sandstone",
wherein = "do_not_generate",
clust_scarcity = 1,
clust_num_ores = 1,
clust_size = 60,
height_min = -31000,
height_max = -46,
noise_threshhold = 0.2,
noise_params = {offset=0, scale=80, spread={x=4350, y=4350, z=4350}, seed=36, octaves=11, persist=0.0000000001}
})
minetest.register_node( "rocks:white_marble", {
description = "White Marble",
tiles = { "rocks_wm.png" },
is_ground_content = true,
groups = {cracky=3, stone=1},
sounds = default.node_sound_stone_defaults(),
})
minetest.register_ore({
ore_type = "sheet",
ore = "rocks:white_marble",
wherein = "do_not_generate",
clust_scarcity = 1,
clust_num_ores = 1,
clust_size = 60,
height_min = -31000,
height_max = -46,
noise_threshhold = 0.2,
noise_params = {offset=0, scale=80, spread={x=4350, y=4350, z=4350}, seed=37, octaves=11, persist=0.0000000001}
})
minetest.register_node( "rocks:black_basalt", {
description = "Black Basalt",
tiles = { "rocks_bb.png" },
is_ground_content = true,
groups = {cracky=3, stone=1},
sounds = default.node_sound_stone_defaults(),
})
minetest.register_ore({
ore_type = "sheet",
ore = "rocks:black_basalt",
wherein = "do_not_generate",
clust_scarcity = 1,
clust_num_ores = 1,
clust_size = 60,
height_min = -31000,
height_max = -46,
noise_threshhold = 0.2,
noise_params = {offset=0, scale=80, spread={x=4350, y=4350, z=4350}, seed=38, octaves=11, persist=0.0000000001}
})
minetest.register_ore({
ore_type = "sheet",
ore = "rocks:clay",
wherein = "do_not_generate",
clust_scarcity = 1,
clust_num_ores = 1,
clust_size = 6,
height_min = -31000,
height_max = 15,
noise_threshhold = 0.5,
noise_params = {offset=0, scale=15, spread={x=25, y=20, z=30}, seed=15, octaves=3, persist=0.10}
})
print("[rocks] loaded.")
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