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New ores code

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RealBadAngel
2013-03-28 15:50:34 +01:00
parent 52138943ee
commit edd6f8c7e9
1 changed files with 64 additions and 51 deletions
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115
technic/ores.lua
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@@ -248,54 +248,67 @@ minetest.register_craft({
recipe = "technic:zinc_lump"
})
local function generate_ore(name, wherein, minp, maxp, seed, chunks_per_volume, ore_per_chunk, height_min, height_max)
if maxp.y < height_min or minp.y > height_max then
return
end
local y_min = math.max(minp.y, height_min)
local y_max = math.min(maxp.y, height_max)
local volume = (maxp.x-minp.x+1)*(y_max-y_min+1)*(maxp.z-minp.z+1)
local pr = PseudoRandom(seed)
local num_chunks = math.floor(chunks_per_volume * volume)
local chunk_size = 3
if ore_per_chunk <= 4 then
chunk_size = 2
end
local inverse_chance = math.floor(chunk_size*chunk_size*chunk_size / ore_per_chunk)
--print("generate_ore num_chunks: "..dump(num_chunks))
for i=1,num_chunks do
if (y_max-chunk_size+1 <= y_min) then return end
local y0 = pr:next(y_min, y_max-chunk_size+1)
if y0 >= height_min and y0 <= height_max then
local x0 = pr:next(minp.x, maxp.x-chunk_size+1)
local z0 = pr:next(minp.z, maxp.z-chunk_size+1)
local p0 = {x=x0, y=y0, z=z0}
for x1=0,chunk_size-1 do
for y1=0,chunk_size-1 do
for z1=0,chunk_size-1 do
if pr:next(1,inverse_chance) == 1 then
local x2 = x0+x1
local y2 = y0+y1
local z2 = z0+z1
local p2 = {x=x2, y=y2, z=z2}
if minetest.env:get_node(p2).name == wherein then
minetest.env:set_node(p2, {name=name})
end
end
end
end
end
end
end
--print("generate_ore done")
end
minetest.register_on_generated(function(minp, maxp, seed)
generate_ore("technic:mineral_diamond", "default:stone", minp, maxp, seed+21, 1/11/11/11, 4, -31000, -450)
generate_ore("technic:mineral_uranium", "default:stone", minp, maxp, seed+22, 1/10/10/10, 3, -300, -80)
generate_ore("technic:mineral_chromium", "default:stone", minp, maxp, seed+23, 1/10/10/10, 2, -31000, -100)
generate_ore("technic:mineral_zinc", "default:stone", minp, maxp, seed+24, 1/9/9/9, 4, -31000, 2)
generate_ore("technic:marble", "default:stone", minp, maxp, seed+25, 1/128, 20, -100, -32)
generate_ore("technic:granite", "default:stone", minp, maxp, seed+25, 1/128, 15, -190, -90)
end)
minetest.register_ore({
ore_type = "scatter",
ore = "technic:mineral_diamond",
wherein = "default:stone",
clust_scarcity = 11*11*11,
clust_num_ores = 4,
clust_size = 3,
height_min = -31000,
height_max = -450,
})
minetest.register_ore({
ore_type = "scatter",
ore = "technic:mineral_uranium",
wherein = "default:stone",
clust_scarcity = 10*10*10,
clust_num_ores = 4,
clust_size = 3,
height_min = -300,
height_max = -80,
})
minetest.register_ore({
ore_type = "scatter",
ore = "technic:mineral_chromium",
wherein = "default:stone",
clust_scarcity = 10*10*10,
clust_num_ores = 2,
clust_size = 3,
height_min = -31000,
height_max = -100,
})
minetest.register_ore({
ore_type = "scatter",
ore = "technic:mineral_zinc",
wherein = "default:stone",
clust_scarcity = 9*9*9,
clust_num_ores = 4,
clust_size = 3,
height_min = -31000,
height_max = 2,
})
minetest.register_ore({
ore_type = "sheet",
ore = "technic:marble",
wherein = "default:stone",
clust_scarcity = 1,
clust_num_ores = 1,
clust_size = 3,
height_min = -150,
height_max = -50,
noise_threshhold = 0.5,
noise_params = {offset=0, scale=15, spread={x=150, y=150, z=150}, seed=23, octaves=3, persist=0.70}
})
minetest.register_ore({
ore_type = "sheet",
ore = "technic:granite",
wherein = "default:stone",
clust_scarcity = 1,
clust_num_ores = 1,
clust_size = 4,
height_min = -100,
height_max = -250,
noise_threshhold = 0.5,
noise_params = {offset=0, scale=15, spread={x=130, y=130, z=130}, seed=24, octaves=3, persist=0.70}
})