mods that hopefully work for a TechAge-based pack

mods/techage_modpack/signs_bot/compost.lua

@@ -0,0 +1,101 @@
+--[[
+
+	Signs Bot
+	=========
+
+	Copyright (C) 2019-2021 Joachim Stolberg
+
+	GPL v3
+	See LICENSE.txt for more information
+
+	Signs Bot: Commands for the compost mod
+
+]]--
+
+-- Load support for I18n.
+local S = signs_bot.S
+
+local NUM_LEAVES = 2
+
+-- we reuse the minecart hopper API here
+local function additem(mem, stack)
+	local pos = signs_bot.lib.next_pos(mem.robot_pos, mem.robot_param2)
+	local node = minetest.get_node(pos)
+	local ndef = minetest.registered_nodes[node.name]
+	if ndef.minecart_hopper_additem then
+		return ndef.minecart_hopper_additem(pos, stack)
+	end
+
+	pos = {x = pos.x, y = pos.y - 1, z = pos.z}
+	node = minetest.get_node(pos)
+	ndef = minetest.registered_nodes[node.name]
+	if ndef and ndef.minecart_hopper_additem then
+		return ndef.minecart_hopper_additem(pos, stack)
+	end
+
+	return stack
+end
+
+local function takeitem(mem)
+	local pos = signs_bot.lib.next_pos(mem.robot_pos, mem.robot_param2)
+	local node = minetest.get_node(pos)
+	local ndef = minetest.registered_nodes[node.name]
+	if ndef.minecart_hopper_takeitem then
+		return ndef.minecart_hopper_takeitem(pos, 1)
+	end
+
+	pos = {x = pos.x, y = pos.y - 1, z = pos.z}
+	node = minetest.get_node(pos)
+	ndef = minetest.registered_nodes[node.name]
+	if ndef and ndef.minecart_hopper_takeitem then
+		return ndef.minecart_hopper_takeitem(pos, 1)
+	end
+end
+
+
+if  minetest.global_exists("compost") then
+
+	signs_bot.register_botcommand("add_compost", {
+		mod = "compost",
+		params = "<slot>",
+		num_param = 1,
+		description = S("Put 2 leaves into the compost barrel\n"..
+			"<slot> is the bot inventory slot (1..8)\n"..
+			"with the leaves."),
+		check = function(slot)
+			slot = tonumber(slot) or 0
+			return slot > 0 and slot < 9
+		end,
+		cmnd = function(base_pos, mem, slot)
+			slot = tonumber(slot) or 0
+			local taken = signs_bot.bot_inv_take_item(base_pos, slot, NUM_LEAVES)
+			local leftover = additem(mem, taken)
+			if leftover and leftover:get_count() > 0 then
+				signs_bot.bot_inv_put_item(base_pos, slot, leftover)
+			end
+			return signs_bot.DONE
+		end,
+	})
+
+	signs_bot.register_botcommand("take_compost", {
+		mod = "compost",
+		params = "<slot>",
+		num_param = 1,
+		description = S("Take a compost item from the barrel.\n"..
+			"<slot> (1..8 or 0 for the first free slot) is the bot\n"..
+			"slot for the compost item."),
+		check = function(num, slot)
+			slot = tonumber(slot) or 0
+			return slot >= 0 and slot < 9
+		end,
+		cmnd = function(base_pos, mem, slot)
+			slot = tonumber(slot) or 0
+			local taken = takeitem(mem)
+			local leftover = signs_bot.bot_inv_put_item(base_pos, slot, taken)
+			if leftover and leftover:get_count() > 0 then
+				signs_bot.lib.drop_items(mem.robot_pos, leftover)
+			end
+			return signs_bot.DONE
+		end,
+	})
+end