mods that hopefully work for a TechAge-based pack

mods/ancient_bones/loot.lua

@@ -0,0 +1,66 @@
+-- Loot from the `default` mod is registered here,
+-- with the rest being registered in the respective mods
+
+ancient_bones.registered_loot = {
+	-- various items
+	{name = "default:stick", chance = 0.6, count = {3, 8}},
+	{name = "default:flint", chance = 0.4, count = {1, 3}},
+
+	-- farming / consumable
+	{name = "default:apple", chance = 0.4, count = {1, 4}},
+	{name = "default:cactus", chance = 0.4, count = {1, 4},
+		types = {"sandstone", "desert"}},
+
+	-- 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}},
+
+	-- tools
+	{name = "default:sword_wood", chance = 0.6},
+	{name = "default:sword_steel", chance = 0.3},
+	{name = "default:sword_diamond", chance = 0.05},
+	{name = "default:pick_stone", chance = 0.4},
+	{name = "default:pick_steel", chance = 0.2},
+	{name = "default:pick_diamond", chance = 0.05},
+	{name = "default:axe_stone", chance = 0.4},
+	{name = "default:axe_steel", chance = 0.2},
+	{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 ancient_bones.register(t)
+	if t.name ~= nil then
+		t = {t} -- single entry
+	end
+	for _, loot in ipairs(t) do
+		table.insert(ancient_bones.registered_loot, loot)
+	end
+end
+
+function ancient_bones._internal_get_loot(pos_y, dungeontype)
+	-- filter by y pos and type
+	local ret = {}
+	for _, l in ipairs(ancient_bones.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