TextDisplayIsObserver

This function checks if a player can see the specified textdisplay.

Syntax

bool textDisplayIsObserver ( textdisplay display, player thePlayer )

Required Arguments

• display: The textdisplay.
• thePlayer: The player.

Returns

Return true if textdisplay is showing, or false if not.

Example

serverDisplay = textCreateDisplay()  -- create a text display
serverText = textCreateTextItem ( "Hello world!", 0.5, 0.5 ) -- create a text item for the display
textDisplayAddText ( serverDisplay, serverText )  -- add it to the display so it is displayed

function showTextDisplay ( player, command )
	local isObserver = textDisplayIsObserver ( serverDisplay , player ) -- check if he is already a observer in the server display
	if not isObserver then -- if he is not an observer
	    textDisplayAddObserver ( serverDisplay, player ) -- make it visible to a player
	end
end
addCommandHandler( "showText", showTextDisplay )

function removeTextDisplay ( player , command )
	local isObserver = textDisplayIsObserver ( serverDisplay , player ) -- check if he is already a observer in the server display
	if isObserver then -- if he is an observer
	   textDisplayRemoveObserver ( serverDisplay , player ) -- remove the player from display
	end
end
addCommandHandler( "removeText",removeTextDisplay)

See Also

• textCreateDisplay
• textCreateTextItem
• textDestroyDisplay
• textDestroyTextItem
• textDisplayAddObserver
• textDisplayAddText
• textDisplayGetObservers
• textDisplayIsObserver
• textDisplayRemoveObserver
• textDisplayRemoveText
• textItemGetColor
• textItemGetPosition
• textItemGetPriority
• textItemGetScale
• textItemGetText
• textItemSetColor
• textItemSetPosition
• textItemSetPriority
• textItemSetScale
• textItemSetText