Michael Bayne
b6f5317ad2
git-svn-id: svn+ssh://src.earth.threerings.net/nenya/trunk@158 ed5b42cb-e716-0410-a449-f6a68f950b19
84 lines
2.8 KiB
Java
84 lines
2.8 KiB
Java
//
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// $Id$
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//
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// Nenya library - tools for developing networked games
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// Copyright (C) 2002-2007 Three Rings Design, Inc., All Rights Reserved
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// http://www.threerings.net/code/nenya/
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//
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// This library is free software; you can redistribute it and/or modify it
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// under the terms of the GNU Lesser General Public License as published
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// by the Free Software Foundation; either version 2.1 of the License, or
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// (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License along with this library; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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package com.threerings.jme;
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import com.jme.image.Texture;
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import com.jme.renderer.Renderer;
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import com.jme.scene.Node;
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import com.jme.scene.Text;
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import com.jme.scene.state.AlphaState;
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import com.jme.scene.state.TextureState;
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import com.jme.util.TextureManager;
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import com.jme.util.Timer;
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/**
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* Tracks and displays render statistics.
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*/
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public class StatsDisplay extends Node
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{
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public StatsDisplay (Renderer renderer)
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{
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super("StatsNode");
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// create an alpha state that will allow us to blend the text on
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// top of whatever else is below
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AlphaState astate = renderer.createAlphaState();
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astate.setBlendEnabled(true);
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astate.setSrcFunction(AlphaState.SB_SRC_ALPHA);
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astate.setDstFunction(AlphaState.DB_ONE);
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astate.setTestEnabled(true);
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astate.setTestFunction(AlphaState.TF_GREATER);
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astate.setEnabled(true);
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// create a font texture
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TextureState font = renderer.createTextureState();
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font.setTexture(
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TextureManager.loadTexture(
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getClass().getClassLoader().getResource(DEFAULT_JME_FONT),
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Texture.MM_LINEAR, Texture.FM_LINEAR));
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font.setEnabled(true);
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_text = new Text("StatsLabel", "");
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_text.setCullMode(CULL_NEVER);
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_text.setTextureCombineMode(TextureState.REPLACE);
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attachChild(_text);
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setRenderState(font);
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setRenderState(astate);
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}
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public void update (Timer timer, Renderer renderer)
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{
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_stats.setLength(0);
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_stats.append("FPS: ").append((int)timer.getFrameRate());
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_stats.append(" - ").append(renderer.getStatistics(_temp));
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_text.print(_stats);
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}
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protected Text _text;
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protected StringBuffer _stats = new StringBuffer();
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protected StringBuffer _temp = new StringBuffer();
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protected static final String DEFAULT_JME_FONT =
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"rsrc/media/jme/defaultfont.tga";
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}
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