2021-03-08 21:43:47 -05:00

86 lines
2.6 KiB
Lua

-- LUALOCALS < ---------------------------------------------------------
local ItemStack, include, math, minetest, nodecore, pairs
= ItemStack, include, math, minetest, nodecore, pairs
local math_floor, math_log
= math.floor, math.log
-- LUALOCALS > ---------------------------------------------------------
nodecore.amcoremod()
local loottable = include("loottable")
local mapperlin
minetest.after(0, function() mapperlin = minetest.get_perlin(432, 1, 0, 1) end)
local function lootstack(rng)
local loot = nodecore.pickrand(loottable, function(t) return t.prob end, rng)
local def = minetest.registered_items[loot.item]
if not def then return end
local stack = ItemStack(loot.item)
if def.type == "tool" then
stack:set_wear(rng(20000, 50000))
elseif def.stack_max > 1 then
local qty = math_floor(nodecore.exporand(loot.qty / 10, rng))
if qty < 1 then qty = 1 elseif qty > def.stack_max then qty = def.stack_max end
stack:set_count(qty)
end
return stack
end
local cobbles = {["nc_terrain:cobble"] = true}
local cobblist = {}
minetest.after(0, function()
for k, v in pairs(minetest.registered_nodes) do
if v.groups and v.groups.dungeon_mapgen then
cobbles[k] = true
end
end
for k in pairs(cobbles) do
cobblist[#cobblist + 1] = k
end
end)
local function addloot(pos, height)
local rng = nodecore.seeded_rng(mapperlin:get_3d(pos))
if rng(1, 5) == 1 and #nodecore.find_nodes_around(pos, cobblist, {1, 0, 1}) > 0 then
local max = nodecore.exporand(2, rng)
if max < 1 then max = 1 elseif max > height then max = height end
for _ = 1, max do
minetest.set_node(pos, {name = "nc_woodwork:shelf"})
nodecore.stack_set(pos, lootstack(rng))
pos.y = pos.y + 1
end
return
end
minetest.set_node(pos, {name = "nc_items:stack"})
nodecore.stack_set(pos, lootstack(rng))
nodecore.stack_node_sounds_except[minetest.hash_node_position(pos)] = true
end
nodecore.register_dungeongen({
label = "dungeon loot",
func = function(pos)
local above = {x = pos.x, y = pos.y + 1, z = pos.z}
if minetest.get_node(above).name ~= "air" then return end
local rand = mapperlin:get_3d(pos)
rand = rand - math_floor(rand)
local prob = 0.05
if pos.y < -128 then
prob = prob * math_log(pos.y / -64) / math_log(2)
end
if rand > prob then return end
for dy = 2, 8 do
local p = {x = pos.x, y = pos.y + dy, z = pos.z}
local nn = minetest.get_node(p).name
if cobbles[nn] then
return #nodecore.find_nodes_around(pos,
{"air"}, {1, 0, 1}) > 0
or addloot(above, dy - 2)
end
if nn ~= "air" then return end
end
if pos.y > -64 then return end
addloot(above, 8)
end
})