TextDisplayIsObserver: Difference between revisions
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Return true if [[textdisplay]] is showing, or false if not. | Return true if [[textdisplay]] is showing, or false if not. | ||
==Example== | ==Example== | ||
<section name="Server" class="client" show="true"> | |||
<syntaxhighlight lang="lua"> | <syntaxhighlight lang="lua"> | ||
serverDisplay = textCreateDisplay() -- create a text display | serverDisplay = textCreateDisplay() -- create a text display | ||
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local isObserver = textDisplayIsObserver ( serverDisplay , player ) -- check if he is already a observer in the server display | 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 | if not isObserver then -- if he is not an observer | ||
textDisplayAddObserver ( serverDisplay, player ) -- make it visible to a player | |||
end | end | ||
end | end | ||
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local isObserver = textDisplayIsObserver ( serverDisplay , player ) -- check if he is already a observer in the server display | local isObserver = textDisplayIsObserver ( serverDisplay , player ) -- check if he is already a observer in the server display | ||
if isObserver then -- if he is an observer | if isObserver then -- if he is an observer | ||
textDisplayRemoveObserver ( serverDisplay , player ) -- remove the player from display | |||
end | end | ||
end | end | ||
addCommandHandler( "removeText",removeTextDisplay) | addCommandHandler( "removeText",removeTextDisplay) | ||
</syntaxhighlight> | </syntaxhighlight> | ||
</section> | |||
==See Also== | ==See Also== | ||
{{Text functions}} | {{Text functions}} | ||
[[Category:Needs Example]] | [[Category:Needs Example]] | ||
Revision as of 10:20, 22 May 2012
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
Click to collapse [-]
ServerserverDisplay = 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