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MineClone2/mods/MAPGEN/mcl_strongholds/init.lua

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-- 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 mg_name = minetest.get_mapgen_setting("mg_name")
local superflat = mg_name == "flat" and minetest.get_mapgen_setting("mcl_superflat_classic") == "true"
local seed = tonumber(minetest.get_mapgen_setting("seed"))
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local function init_strongholds()
local stronghold_positions = {}
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-- Don't generate strongholds in singlenode
if mg_name == "singlenode" then
return {}
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end
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
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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(stronghold_positions, pos)
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-- 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
return stronghold_positions
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end
-- Stronghold generation for register_on_generated.
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local function generate_strongholds(minp, maxp, blockseed)
local pr = PseudoRandom(blockseed)
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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
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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)
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strongholds[s].generated = true
end
end
end
end
mcl_structures.register_structure("end_shrine",{
static_pos = init_strongholds(),
filenames = {
minetest.get_modpath("mcl_structures").."/schematics/mcl_structures_end_portal_room_simple.mts"
},
after_place = function(pos,def,pr,blockseed,p1,p2,size,rotation)
local p1 = vector.subtract(pos,size)
local p2 = vector.add(pos,size)
local spawners = minetest.find_nodes_in_area(p1, p2, "mcl_mobspawners:spawner")
for s=1, #spawners do
--local meta = minetest.get_meta(spawners[s])
mcl_mobspawners.setup_spawner(spawners[s], "mobs_mc:silverfish")
end
-- Shuffle stone brick types
local bricks = minetest.find_nodes_in_area(p1, p2, "mcl_core:stonebrick")
for b=1, #bricks do
local r_bricktype = pr:next(1, 100)
local r_infested = pr:next(1, 100)
local bricktype
if r_infested <= 5 then
if r_bricktype <= 30 then -- 30%
bricktype = "mcl_monster_eggs:monster_egg_stonebrickmossy"
elseif r_bricktype <= 50 then -- 20%
bricktype = "mcl_monster_eggs:monster_egg_stonebrickcracked"
else -- 50%
bricktype = "mcl_monster_eggs:monster_egg_stonebrick"
end
else
if r_bricktype <= 30 then -- 30%
bricktype = "mcl_core:stonebrickmossy"
elseif r_bricktype <= 50 then -- 20%
bricktype = "mcl_core:stonebrickcracked"
end
-- 50% stonebrick (no change necessary)
end
if bricktype then
minetest.set_node(bricks[b], { name = bricktype })
end
end
-- Also replace stairs
local stairs = minetest.find_nodes_in_area(p1, p2, {"mcl_stairs:stair_stonebrick", "mcl_stairs:stair_stonebrick_outer", "mcl_stairs:stair_stonebrick_inner"})
for s=1, #stairs do
local stair = minetest.get_node(stairs[s])
local r_type = pr:next(1, 100)
if r_type <= 30 then -- 30% mossy
if stair.name == "mcl_stairs:stair_stonebrick" then
stair.name = "mcl_stairs:stair_stonebrickmossy"
elseif stair.name == "mcl_stairs:stair_stonebrick_outer" then
stair.name = "mcl_stairs:stair_stonebrickmossy_outer"
elseif stair.name == "mcl_stairs:stair_stonebrick_inner" then
stair.name = "mcl_stairs:stair_stonebrickmossy_inner"
end
minetest.set_node(stairs[s], stair)
elseif r_type <= 50 then -- 20% cracky
if stair.name == "mcl_stairs:stair_stonebrick" then
stair.name = "mcl_stairs:stair_stonebrickcracked"
elseif stair.name == "mcl_stairs:stair_stonebrick_outer" then
stair.name = "mcl_stairs:stair_stonebrickcracked_outer"
elseif stair.name == "mcl_stairs:stair_stonebrick_inner" then
stair.name = "mcl_stairs:stair_stonebrickcracked_inner"
end
minetest.set_node(stairs[s], stair)
end
-- 50% no change
end
-- Randomly add ender eyes into end portal frames, but never fill the entire frame
local frames = minetest.find_nodes_in_area(p1, p2, "mcl_portals:end_portal_frame")
local eyes = 0
for f=1, #frames do
local r_eye = pr:next(1, 10)
if r_eye == 1 then
eyes = eyes + 1
if eyes < #frames then
local frame_node = minetest.get_node(frames[f])
frame_node.name = "mcl_portals:end_portal_frame_eye"
minetest.set_node(frames[f], frame_node)
end
end
end
end,
})