dfcaverns/bones_loot/init.lua

83 lines
2.3 KiB
Lua

-- internationalization boilerplate
local MP = minetest.get_modpath(minetest.get_current_modname())
local S, NS = dofile(MP.."/intllib.lua")
bones_loot = {}
local dungeon_loot_path = minetest.get_modpath("dungeon_loot")
if dungeon_loot_path then
local shuffle = function(tbl)
for i = #tbl, 2, -1 do
local rand = math.random(i)
tbl[i], tbl[rand] = tbl[rand], tbl[i]
end
return tbl
end
bones_loot.get_loot = function(pos, loot_type, max_stacks)
local item_list = {}
local pos_y = pos.y
for _, loot in ipairs(dungeon_loot.registered_loot) do
if loot.y == nil or (pos_y >= loot.y[1] and pos_y <= loot.y[2]) then
if loot.types == nil or table.indexof(loot.types, loot_type) ~= -1 then
table.insert(item_list, loot)
end
end
end
shuffle(item_list)
-- apply chances / randomized amounts and collect resulting items
local items = {}
for _, loot in ipairs(item_list) do
if math.random() <= loot.chance then
local itemdef = minetest.registered_items[loot.name]
local amount = 1
if loot.count ~= nil then
amount = math.random(loot.count[1], loot.count[2])
end
if itemdef.tool_capabilities then
for n = 1, amount do
local wear = math.random(0.20 * 65535, 0.75 * 65535) -- 20% to 75% wear
table.insert(items, ItemStack({name = loot.name, wear = wear}))
max_stacks = max_stacks - 1
if max_stacks <= 0 then break end
end
else
local stack_max = itemdef.stack_max
while amount > 0 do
table.insert(items, ItemStack({name = loot.name, count = math.min(stack_max, amount)}))
amount = amount - stack_max
max_stacks = max_stacks - 1
if max_stacks <= 0 then break end
end
end
end
if max_stacks <= 0 then break end
end
return items
end
end
bones_loot.place_bones = function(pos, loot_type, max_stacks, infotext)
minetest.set_node(pos, {name="bones:bones", param2 = math.random(1,4)-1})
local meta = minetest.get_meta(pos)
if infotext == nil then
infotext = S("Someone's old bones")
end
meta:set_string("infotext", infotext)
if bones_loot.get_loot and loot_type and max_stacks then
local loot = bones_loot.get_loot(pos, loot_type, max_stacks)
local inv = meta:get_inventory()
inv:set_size("main", 8 * 4)
for _, item in ipairs(loot) do
inv:add_item("main", item)
end
end
end