-- menu functions (if any)
-- should define before menu; otherwise issues can happen
local function teleportToGFZ() -- go back to GFZ1, unless it was replaced by something else
	G_SetCustomExitVars(1, 3)
	G_ExitLevel()
end

-- custom rendering example
local function menuRender(v, menu) -- doesn't uses player and/or camera
	v.drawString(4, 4, "Hello", V_ALLOWLOWERCASE, "left") -- example string
	LM_DrawStandardMenu(v, menu) -- render the whole menu here
end

-- custom ticker example
local function menuRender(menu)
	print("tick!")
end

-- custom handler example
local function menuHandler(keyevent)
	if LM_PressedKey(keyevent, 241) -- KEY_DELETE
		LM_CloseMenu()
	end
end

-- menu definition
-- you can actually put separated menu definitions is you wish
-- as long these menus has one page at least
local my_menu = { -- as a table with multiple tables on it
	{ -- page 1
		attributes = { -- different settings to modify
			pos = {30, 30}, -- 2-vector position
			header = {text = "My Menu", color = V_YELLOWMAP}, -- optional header with color
			start = {item = 2}, -- the cursor will be placed here when the menu enters this page
			previous = {page = -1, item = -1}, -- pressing ESC will lead to the previous page; if < 1 then the menu closes
			style = MMT_NORMAL -- there are 3 style types; this is the normal style imitating vanilla srb2 menus
		},
		functions = {
			handler = nil, -- runs when a key is pressed, doesn't override default keyevents; use this for custom keypresses as an expansion
			ticker = nil, -- runs when this page is active; don't put logic that can actually affect the netcode
			drawer = nil, -- runs when the style is MMT_CUSTOM, is possible to make a hybrid with custom and normal/scroll styles
		},
		content = { -- the whole content of the menu as items
			-- id: which type is; either can be header or string. header types are unaffected by flags, func, cvar and color
			-- flags: changes the behaviour of the item
			-- string: a representative text to display
			-- color: used by the string to change the color
			-- (Uses V_*MAP for different colors, if you don't want color then use 0 for white)
			--
			-- func: used when MIF_FUNCTION flag is set, runs a function once ENTER is pressed
			-- cvar: used when one of the MIF_CVAR_* flags are set, controls a cvar by pressing left/right
			-- pos_y: vertical offset to render
			-- (If you want a very large menu then set the style to MMT_SCROLL for that or a your custom drawer if you want to)
			{id = MIT_HEADER, flags = 0, string = "Header", color = 0, func = nil, cvar = nil, pos_y = 0},
			{id = MIT_STRING, flags = 0, string = "Text (does nothing)", color = 0, func = nil, cvar = nil, pos_y = 12},
			{id = MIT_STRING, flags = MIF_FUNCTION, string = "Teleport to GFZ...", color = 0, func = teleportToGFZ, cvar = nil, pos_y = 22},
			{id = MIT_STRING, flags = MIF_CVAR_STRING, string = "My Color", color = 0, func = nil, cvar = CV_FindVar("color"), pos_y = 42},
			{id = MIT_STRING, flags = MIF_CVAR_NUMBER, string = "Max Players", color = 0, func = nil, cvar = CV_FindVar("maxplayers"), pos_y = 52},
			{id = MIT_STRING, flags = MIF_DISABLED, string = "Don't use", color = V_REDMAP, func = nil, cvar = nil, pos_y = 72},
		}
	}
	-- here can have page 2, page 3, page 4... and so on; there's no limit of pages
}

-- open the menu via a command
COM_AddCommand("mymenu", function(player)
	LM_OpenMenu(my_menu, 1)
end, 0)