mirror of
https://git.minetest.land/VoxeLibre/VoxeLibre.git
synced 2024-12-25 09:29:38 +01:00
106 lines
3.4 KiB
Lua
106 lines
3.4 KiB
Lua
-- Generate strongholds.
|
|
|
|
-- A total of 128 strongholds are generated in rings around the world origin.
|
|
-- This is the list of rings, starting with the innermost ring first.
|
|
local stronghold_rings = {
|
|
-- amount: Number of strongholds in ring.
|
|
-- min, max: Minimum and maximum distance from (X=0, Z=0).
|
|
{ amount = 3, min = 1408, max = 2688 },
|
|
{ amount = 6, min = 4480, max = 5760 },
|
|
{ amount = 10, min = 7552, max = 8832 },
|
|
{ amount = 15, min = 10624, max = 11904 },
|
|
{ amount = 21, min = 13696, max = 14976 },
|
|
{ amount = 28, min = 16768, max = 18048 },
|
|
{ amount = 36, min = 19840, max = 21120 },
|
|
{ amount = 9, min = 22912, max = 24192 },
|
|
}
|
|
|
|
local strongholds = {}
|
|
local strongholds_inited = false
|
|
|
|
local mg_name = minetest.get_mapgen_setting("mg_name")
|
|
local superflat = mg_name == "flat" and minetest.get_mapgen_setting("mcl_superflat_classic") == "true"
|
|
|
|
-- Determine the stronghold positions and store them into the strongholds table.
|
|
-- The stronghold positions are based on the world seed.
|
|
-- The actual position might be offset by a few blocks because it might be shifted
|
|
-- to make sure the end portal room is completely within the boundaries of a mapchunk.
|
|
local function init_strongholds()
|
|
if strongholds_inited then
|
|
return
|
|
end
|
|
-- Don't generate strongholds in singlenode
|
|
if mg_name == "singlenode" then
|
|
strongholds_inited = true
|
|
return
|
|
end
|
|
local seed = tonumber(minetest.get_mapgen_setting("seed"))
|
|
local pr = PseudoRandom(seed)
|
|
for s=1, #stronghold_rings do
|
|
local ring = stronghold_rings[s]
|
|
|
|
-- Get random angle
|
|
local angle = pr:next()
|
|
-- Scale angle to 0 .. 2*math.pi
|
|
angle = (angle / 32767) * (math.pi*2)
|
|
for a=1, ring.amount do
|
|
local dist = pr:next(ring.min, ring.max)
|
|
local y
|
|
if superflat then
|
|
y = mcl_vars.mg_bedrock_overworld_max + 3
|
|
else
|
|
y = pr:next(mcl_vars.mg_bedrock_overworld_max+1, mcl_vars.mg_overworld_min+48)
|
|
end
|
|
local pos = { x = math.cos(angle) * dist, y = y, z = math.sin(angle) * dist }
|
|
pos = vector.round(pos)
|
|
table.insert(strongholds, { pos = pos, generated = false })
|
|
|
|
-- Rotate angle by (360 / amount) degrees.
|
|
-- This will cause the angles to be evenly distributed in the stronghold ring
|
|
angle = math.fmod(angle + ((math.pi*2) / ring.amount), math.pi*2)
|
|
end
|
|
end
|
|
|
|
mcl_structures.register_structures("stronghold", table.copy(strongholds))
|
|
|
|
strongholds_inited = true
|
|
end
|
|
|
|
-- Stronghold generation for register_on_generated.
|
|
local function generate_strongholds(minp, maxp, blockseed)
|
|
local pr = PseudoRandom(blockseed)
|
|
for s=1, #strongholds do
|
|
if not strongholds[s].generated then
|
|
local pos = strongholds[s].pos
|
|
if minp.x <= pos.x and maxp.x >= pos.x and minp.z <= pos.z and maxp.z >= pos.z and minp.y <= pos.y and maxp.y >= pos.y then
|
|
-- Make sure the end portal room is completely within the current mapchunk
|
|
-- The original pos is changed intentionally.
|
|
if pos.x - 6 < minp.x then
|
|
pos.x = minp.x + 7
|
|
end
|
|
if pos.x + 6 > maxp.x then
|
|
pos.x = maxp.x - 7
|
|
end
|
|
if pos.y - 4 < minp.y then
|
|
pos.y = minp.y + 5
|
|
end
|
|
if pos.y + 4 > maxp.y then
|
|
pos.y = maxp.y - 5
|
|
end
|
|
if pos.z - 6 < minp.z then
|
|
pos.z = minp.z + 7
|
|
end
|
|
if pos.z + 6 > maxp.z then
|
|
pos.z = maxp.z - 7
|
|
end
|
|
|
|
mcl_structures.call_struct(pos, "end_portal_shrine", nil, pr)
|
|
strongholds[s].generated = true
|
|
end
|
|
end
|
|
end
|
|
end
|
|
|
|
init_strongholds()
|
|
|
|
mcl_mapgen_core.register_generator("strongholds", nil, generate_strongholds, 999999)
|