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authororwell96 <orwell@bleipb.de>2018-06-19 19:49:24 +0200
committerorwell96 <orwell@bleipb.de>2018-06-19 19:49:24 +0200
commit08ac0f9c05c4623a2783749b1dee2dafa234cee6 (patch)
treee1ff64ecfcaf7688ef112b4b06f41e65a787dca2 /assets/blender/gleis/infos
parenteab240bdce187db0de7b2b2a20b8eabdb4bd3946 (diff)
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Check for inventory existence before serializing, and do not create it again if it already exists.
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generated by cgit v1.2.3 (git 2.39.1) at 2025-01-26 00:31:03 +0000
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-- Minetest: builtin/misc.lua

--
-- Misc. API functions
--

function core.check_player_privs(name, ...)
	local arg_type = type(name)
	if (arg_type == "userdata" or arg_type == "table") and
			name.get_player_name then -- If it quacks like a Player...
		name = name:get_player_name()
	elseif arg_type ~= "string" then
		error("Invalid core.check_player_privs argument type: " .. arg_type, 2)
	end

	local requested_privs = {...}
	local player_privs = core.get_player_privs(name)
	local missing_privileges = {}

	if type(requested_privs[1]) == "table" then
		-- We were provided with a table like { privA = true, privB = true }.
		for priv, value in pairs(requested_privs[1]) do
			if value and not player_privs[priv] then
				missing_privileges[#missing_privileges + 1] = priv
			end
		end
	else
		-- Only a list, we can process it directly.
		for key, priv in pairs(requested_privs) do
			if not player_privs[priv] then
				missing_privileges[#missing_privileges + 1] = priv
			end
		end
	end

	if #missing_privileges > 0 then
		return false, missing_privileges
	end

	return true, ""
end

local player_list = {}

core.register_on_joinplayer(function(player)
	local player_name = player:get_player_name()
	player_list[player_name] = player
	if not minetest.is_singleplayer() then
		core.chat_send_all("*** " .. player_name .. " joined the game.")
	end
end)

core.register_on_leaveplayer(function(player, timed_out)
	local player_name = player:get_player_name()
	player_list[player_name] = nil
	local announcement = "*** " ..  player_name .. " left the game."
	if timed_out then
		announcement = announcement .. " (timed out)"
	end
	core.chat_send_all(announcement)
end)

function core.get_connected_players()
	local temp_table = {}
	for index, value in pairs(player_list) do
		if value:is_player_connected() then
			temp_table[#temp_table + 1] = value
		end
	end
	return temp_table
end

function minetest.player_exists(name)
	return minetest.get_auth_handler().get_auth(name) ~= nil
end

-- Returns two position vectors representing a box of `radius` in each
-- direction centered around the player corresponding to `player_name`
function core.get_player_radius_area(player_name, radius)
	local player = core.get_player_by_name(player_name)
	if player == nil then
		return nil
	end

	local p1 = player:getpos()
	local p2 = p1

	if radius then
		p1 = vector.subtract(p1, radius)
		p2 = vector.add(p2, radius)
	end

	return p1, p2
end

function core.hash_node_position(pos)
	return (pos.z+32768)*65536*65536 + (pos.y+32768)*65536 + pos.x+32768
end

function core.get_position_from_hash(hash)
	local pos = {}