This is a simple script to create a font as a sprite sheet for use in a game.

FontToSpriteSheet.jsx

// this script is a variation of http://blogs.adobe.com/jkost/2010/09/add-file-name-as-text-layer.html

if ( documents.length > 0 )
{
	var originalRulerUnits = preferences.rulerUnits;
	preferences.rulerUnits = Units.PIXELS;
	
	try
	{
		var docRef = activeDocument;
				
		var characters = ["!","\"","#","$","%","\'","(",")","*","+",",","-",".","/","0","1","2","3","4","5","6","7","8","9",":",";","<","=",">","?","@","A","B","C","D","E","F","G","H","I","J","K","L","M","N","O","P","Q","R","S","T","U","V","W","X","Y","Z","[","\\","]","^","_","'","]","_","`","a","b","c","d","e","f","g","h","i","j","k","l","m","n","o","p","q","r","s","t","u","v","w","x","y","z","{","|","}","~"];
		
		
		for( var i = 0; i < characters.length; i++)
		{
			// Now create a text layer at the front
			var myLayerRef = docRef.artLayers.add();
			myLayerRef.kind = LayerKind.TEXT;
			myLayerRef.name = characters[i];
			
			var myTextRef = myLayerRef.textItem;
				
			myTextRef.contents = characters[i];
			
			var x = myLayerRef.bounds[0];
        	var width = myLayerRef.bounds[2] - x;
        	var y = myLayerRef.bounds[1];
        	var height = myLayerRef.bounds[3] - y;
        	
        	//alert(myLayerRef.bounds, width);
			// off set the text to be in the middle
			myTextRef.position = new Array( docRef.width/2, docRef.height/2 );
			myTextRef.size = 20;

			myLayerRef.rasterize(RasterizeType.TEXTCONTENTS);
		
		}
		
		docRef.trim();
		
		
	}
	catch( e )
	{
		// An error occurred. Restore ruler units, then propagate the error back
		// to the user
		preferences.rulerUnits = originalRulerUnits;
		throw e;
	}
	
	if (documents.length > 0) 
	{
	
		// --------------------------  
		var activeLayer = docRef.activeLayer;
	
		numLayers = docRef.artLayers.length; 	
		var cols = docRef.width;
	
	 	var spriteX = docRef.width;
	 	
		// resize the canvas
	 	newX = numLayers * spriteX;
	 	
	 	docRef.resizeCanvas( newX, docRef.height, AnchorPosition.TOPLEFT );
	 	 	
		// move the layers around
	 	for (i=0; i < numLayers; i++)
	 	{ 	
	 		docRef.artLayers[i].visible = 1;
	 		
	  		var movX = spriteX*i;
	  		try
	  		{
			docRef.artLayers[i].translate(movX, 0);
			}
			catch(e)
			{
				//nothing
			}
	 		
	  	}
	}	

	// Everything went Ok. Restore ruler units
	preferences.rulerUnits = originalRulerUnits;
}
else
{
	alert( "You must have a document open to create a font sprite sheet." );
}