musttest_game/mods/starpearl/init.lua

if not minetest.global_exists("starpearl") then starpearl = {} end
starpearl.modpath = minetest.get_modpath("starpearl")



function starpearl.on_place(itemstack, placer, pt)
  if not placer or not placer:is_player() then return end
  if pt.type ~= "node" then return end
  local pname = placer:get_player_name()

  -- What are we pointing at?
  local nn = minetest.get_node(pt.under).name

	if string.find(nn, "obsidian") or string.find(nn, "grieferstone") then
		if obsidian_gateway.attempt_activation(pt.under, placer, "pearl") then
			itemstack:take_item()
			return itemstack
		end
	end

	if nn == "default:obsidian" then
		local result, pos = flameportal.find_gateway(pt.under)
		if result == true and pos then
			if flameportal.activate_gateway(pos) then
				itemstack:take_item()
				return itemstack
			end
		end
	end
end



if not starpearl.run_once then
	minetest.register_craftitem(":mobs:flame_bolt", {
		description = "Flame Bolt",
		 inventory_image = "mobs_flame_bolt.png",
		  groups = {flammable = 3},
		   light_source = 14,

		     on_place = function(...) return starpearl.on_place(...) end,
	})

	minetest.register_craftitem("starpearl:pearl", {
		description = "Star Pearl",
		 inventory_image = "starpearl_pearl.png",
		  light_source = 14,
	})

  local c = "starpearl:core"
  local f = starpearl.modpath .. "/init.lua"
  reload.register_file(c, f, false)

  starpearl.run_once = true
end