minetest.register_privilege("pvp", {
	description = "Allow PvP",
	give_to_singleplayer= false,
})

minetest.register_on_punchplayer(function(player, hitter, time_from_last_punch, tool_capabilities, dir, damage)
	if not hitter:is_player() then
		return false -- if this is a MOB then give Damage
	end

	local player_name = player:get_player_name()
	local hitter_player_name = hitter:get_player_name()

	if minetest.check_player_privs(hitter_player_name, {kick=true}) then
		return false
	end

	if minetest.check_player_privs(player_name, {arena=true}) then
		return false
	end

	if not minetest.check_player_privs(player_name, {pvp=true}) then
		return true
	end

	if not minetest.check_player_privs(hitter_player_name, {pvp=true}) then
		return true
	end

	return false
end)