Convert the modpack into a standalone game for the Minetest engine

Integrated into the game is most of minetest_game as the stable base

mods/mesecons_fpga/tool.lua

@@ -0,0 +1,71 @@
+return function(plg)
+
+
+minetest.register_tool("mesecons_fpga:programmer", {
+	description = "FPGA Programmer",
+	inventory_image = "jeija_fpga_programmer.png",
+	stack_max = 1,
+	on_place = function(itemstack, placer, pointed_thing)
+		if pointed_thing.type ~= "node" then
+			return itemstack
+		end
+
+		local pos = pointed_thing.under
+		if minetest.get_node(pos).name:find("mesecons_fpga:fpga") ~= 1 then
+			return itemstack
+		end
+
+		local meta = minetest.get_meta(pos)
+		if meta:get_string("instr") == "//////////////" then
+			minetest.chat_send_player(placer:get_player_name(), "This FPGA is unprogrammed.")
+			minetest.sound_play("mesecons_fpga_fail", { pos = placer:get_pos(), gain = 0.1, max_hear_distance = 4 }, true)
+			return itemstack
+		end
+		itemstack:set_metadata(meta:get_string("instr"))
+		minetest.chat_send_player(placer:get_player_name(), "FPGA gate configuration was successfully copied!")
+		minetest.sound_play("mesecons_fpga_copy", { pos = placer:get_pos(), gain = 0.1, max_hear_distance = 4 }, true)
+
+		return itemstack
+	end,
+	on_use = function(itemstack, user, pointed_thing)
+		if pointed_thing.type ~= "node" then
+			return itemstack
+		end
+
+		local pos = pointed_thing.under
+		if minetest.get_node(pos).name:find("mesecons_fpga:fpga") ~= 1 then
+			return itemstack
+		end
+		local player_name = user:get_player_name()
+		if minetest.is_protected(pos, player_name) then
+			minetest.record_protection_violation(pos, player_name)
+			return itemstack
+		end
+
+		local imeta = itemstack:get_metadata()
+		if imeta == "" then
+			minetest.chat_send_player(player_name, "Use shift+right-click to copy a gate configuration first.")
+			minetest.sound_play("mesecons_fpga_fail", { pos = user:get_pos(), gain = 0.1, max_hear_distance = 4 }, true)
+			return itemstack
+		end
+
+		local meta = minetest.get_meta(pos)
+		meta:set_string("instr", imeta)
+		plg.update_meta(pos, imeta)
+		minetest.chat_send_player(player_name, "Gate configuration was successfully written to FPGA!")
+		minetest.sound_play("mesecons_fpga_write", { pos = user:get_pos(), gain = 0.1, max_hear_distance = 4 }, true)
+
+		return itemstack
+	end
+})
+
+minetest.register_craft({
+	output = "mesecons_fpga:programmer",
+	recipe = {
+		{'group:mesecon_conductor_craftable'},
+		{'mesecons_materials:silicon'},
+	}
+})
+
+
+end