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MovieAssetMaterial.as
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2007-07-18
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112 lines
/*
* PAPER ON ERVIS NPAPER ISION PE IS ON PERVI IO APER SI PA
* AP VI ONPA RV IO PA SI PA ER SI NP PE ON AP VI ION AP
* PERVI ON PE VISIO APER IONPA RV IO PA RVIS NP PE IS ONPAPE
* ER NPAPER IS PE ON PE ISIO AP IO PA ER SI NP PER
* RV PA RV SI ERVISI NP ER IO PE VISIO AP VISI PA RV3D
* ______________________________________________________________________
* papervision3d.org ò blog.papervision3d.org ò osflash.org/papervision3d
*/
/*
* Copyright 2006 (c) Carlos Ulloa Matesanz, noventaynueve.com.
*
* Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation
* files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use,
* copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following
* conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*/
// __________________________________________________________________________ MOVIE ASSET MATERIAL
package org.papervision3d.materials
{
import flash.display.MovieClip;
import flash.display.BitmapData;
import flash.utils.getDefinitionByName;
//import flash.utils.Dictionary;
/**
* The MovieAssetMaterial class creates a texture from a MovieClip library symbol.
* <p/>
* The texture can be animated and/or transparent.
* <p/>
* The MovieClip's content needs to be top left aligned with the registration point.
* <p/>
* Materials collects data about how objects appear when rendered.
*/
public class MovieAssetMaterial extends MovieMaterial
{
// ______________________________________________________________________ NEW
/**
* The MovieAssetMaterial class creates a texture from a MovieClip library id.
*
* @param id The linkage name of the MovieClip symbol in the library.
* @param transparent [optional] - If it's not transparent, the empty areas of the MovieClip will be of fill32 color. Default value is false.
* @param initObject [optional] - An object that contains additional properties with which to populate the newly created material.
*/
public function MovieAssetMaterial( id:*, transparent:Boolean=false, initObject:Object=null )
{
super( id, transparent, initObject );
}
// ______________________________________________________________________ CREATE BITMAP
protected override function createBitmap( asset:* ):BitmapData
{
// Remove previous bitmap
if( this._texture != asset )
{
_count[this._texture]--;
var prevMovie:MovieClip = _library[this._texture];
if( prevMovie && _count[this._texture] == 0 )
_library[this._texture] = null;
}
// Retrieve from library or...
var movie:MovieClip = _library[asset];
// ...attachMovie
if( ! movie )
{
var MovieAsset:Class = getDefinitionByName( asset ) as Class;
movie = new MovieAsset();
_library[asset] = movie;
_count[asset] = 0;
}
else
{
_count[asset]++;
}
// Create Bitmap
return super.createBitmap( movie );
}
static private var _library :Object = new Object();
static private var _count :Object = new Object();
}
}