30 lines
872 B
Lua
30 lines
872 B
Lua
local ores = {}
|
|
|
|
function ores.load(directory)
|
|
ores.ores = file.read_combined_list(directory.."/ores.json")
|
|
end
|
|
|
|
function ores.place(placements, x, z, w, d, seed, hmap, chunk_height)
|
|
local BLOCKS_PER_CHUNK = w * d * chunk_height
|
|
for _, ore in ipairs(ores.ores) do
|
|
local count = BLOCKS_PER_CHUNK / ore.rarity
|
|
|
|
-- average count is less than 1
|
|
local addchance = math.fmod(count, 1.0)
|
|
if math.random() < addchance then
|
|
count = count + 1
|
|
end
|
|
|
|
for i=1,count do
|
|
local sx = math.random() * w
|
|
local sz = math.random() * d
|
|
local sy = math.random() * (chunk_height * 0.5)
|
|
if sy < hmap:at(sx, sz) * chunk_height - 6 then
|
|
table.insert(placements, {ore.struct, {sx, sy, sz}, math.random()*4, -1})
|
|
end
|
|
end
|
|
end
|
|
end
|
|
|
|
return ores
|