Epic/mods/dungeon_loot/loot.lua

dungeon_loot.registered_loot = {
	-- buckets
	{name = "bucket:bucket_empty", chance = 0.55},
	-- water in deserts/ice or above ground, lava otherwise
	{name = "bucket:bucket_water", chance = 0.45,
		types = {"sandstone", "desert", "ice"}},
	{name = "bucket:bucket_water", chance = 0.45, y = {0, 32768},
		types = {"normal"}},
	{name = "bucket:bucket_lava", chance = 0.45, y = {-32768, -1},
		types = {"normal"}},

	-- various items
	{name = "default:stick", chance = 0.6, count = {3, 6}},
	{name = "default:flint", chance = 0.4, count = {1, 3}},
	{name = "vessels:glass_fragments", chance = 0.35, count = {1, 4}},
	{name = "carts:rail", chance = 0.35, count = {1, 6}},
   {name = "epic:arrow_tip", chance = .3, count = {1, 43}, y = {-512, -32}},
   {name = "commoditymarkget:gold_coins", chance = .1, count = {1, 800}, y = {-512, -256}},

	-- farming / consumable
	{name = "farming:string", chance = 0.5, count = {1, 8}},
	{name = "farming:wheat", chance = 0.5, count = {2, 5}},
	{name = "default:apple", chance = 0.4, count = {1, 4}},
	{name = "farming:seed_cotton", chance = 0.4, count = {1, 4},
		types = {"normal"}},
	{name = "default:cactus", chance = 0.4, count = {1, 4},
		types = {"sandstone", "desert"}},
   {name = "farming:coffee_beans", chance = 0.01, count = {1, 1}, y = {-32768, -512}},
   {name = "epic:healing_powder", chance = 0.03, count = {1, 3}, y = {-1024, -256}},

   --scrolls
   {name = "stations:scroll_teleport", chance = 0.02},
   {name = "stations:scroll_healing", chance = 0.02},
   {name = "stations:scroll_bloodstone_powder", chance = 0.3},
   {name = "stations:scroll_anti_fire", chance = 0.1},
   {name = "stations:scroll_wood_ash", chance = 0.5},
   {name = "stations:scroll_chitin", chance = 0.6},
   {name = "stations:scroll_sulfur_dust", chance = 0.6},
   {name = "stations:scroll_poison", chance = 0.2},

   --illuminati
   {name = "illuminati:core_off", chance = 0.1},
   {name = "illuminati:cone_off", chance = 0.1},

	-- minerals
	{name = "default:coal_lump", chance = 0.9, count = {1, 12}},
	{name = "default:gold_ingot", chance = 0.5},
	{name = "default:steel_ingot", chance = 0.4, count = {1, 6}},
	{name = "default:mese_crystal", chance = 0.1, count = {2, 3}},
   {name = "epic:titanium_lump", chance = 0.1, count = {1, 2}, y = {-32768, -24680}},
   {name = "epic:sulfur_lump", chance = .25, count = {4, 12}},

	-- tools
	{name = "default:sword_wood", chance = 0.6},
	{name = "default:pick_stone", chance = 0.3},
	{name = "default:axe_diamond", chance = 0.05},

	-- natural materials
	{name = "default:sand", chance = 0.8, count = {4, 32}, y = {-64, 32768},
		types = {"normal"}},
	{name = "default:desert_sand", chance = 0.8, count = {4, 32}, y = {-64, 32768},
		types = {"sandstone"}},
	{name = "default:desert_cobble", chance = 0.8, count = {4, 32},
		types = {"desert"}},
	{name = "default:snow", chance = 0.8, count = {8, 64}, y = {-64, 32768},
		types = {"ice"}},
	{name = "default:dirt", chance = 0.6, count = {2, 16}, y = {-64, 32768},
		types = {"normal", "sandstone", "desert"}},
	{name = "default:obsidian", chance = 0.25, count = {1, 3}, y = {-32768, -512}},
	{name = "default:mese", chance = 0.15, y = {-32768, -512}},
}

function dungeon_loot.register(t)
	if t.name ~= nil then
		t = {t} -- single entry
	end
	for _, loot in ipairs(t) do
		table.insert(dungeon_loot.registered_loot, loot)
	end
end

function dungeon_loot._internal_get_loot(pos_y, dungeontype)
	-- filter by y pos and type
	local ret = {}
	for _, l in ipairs(dungeon_loot.registered_loot) do
		if l.y == nil or (pos_y >= l.y[1] and pos_y <= l.y[2]) then
			if l.types == nil or table.indexof(l.types, dungeontype) ~= -1 then
				table.insert(ret, l)
			end
		end
	end
	return ret
end