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Added texture translation and animation controllers.

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git-svn-id: svn+ssh://src.earth.threerings.net/nenya/trunk@129 ed5b42cb-e716-0410-a449-f6a68f950b19
This commit is contained in:
Andrzej Kapolka
2007-01-31 03:41:26 +00:00
parent 5ed0513644
commit 1cba0183f9
3 changed files with 388 additions and 0 deletions
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src/java/com/threerings/jme/model/TextureAnimator.java
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//
// $Id: Rotator.java 119 2007-01-24 00:22:12Z dhoover $
//
// Narya library - tools for developing networked games
// Copyright (C) 2002-2005 Three Rings Design, Inc., All Rights Reserved
// http://www.threerings.net/code/narya/
//
// This library is free software; you can redistribute it and/or modify it
// under the terms of the GNU Lesser General Public License as published
// by the Free Software Foundation; either version 2.1 of the License, or
// (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
package com.threerings.jme.model;
import java.io.IOException;
import java.util.Properties;
import com.jme.image.Texture;
import com.jme.math.Vector2f;
import com.jme.math.Vector3f;
import com.jme.scene.Controller;
import com.jme.scene.Spatial;
import com.jme.util.export.JMEExporter;
import com.jme.util.export.JMEImporter;
import com.jme.util.export.InputCapsule;
import com.jme.util.export.OutputCapsule;
import com.samskivert.util.StringUtil;
import com.threerings.jme.Log;
import com.threerings.jme.util.SpatialVisitor;
/**
* Animates a model's textures by flipping between different parts.
*/
public class TextureAnimator extends TextureController
{
@Override // documentation inherited
public void configure (Properties props, Spatial target)
{
super.configure(props, target);
_frameWidth = Float.valueOf(props.getProperty("frame_width", "0.5"));
_frameHeight = Float.valueOf(props.getProperty("frame_height", "0.5"));
_frameCount = Integer.valueOf(props.getProperty("frame_count", "4"));
_frameRate = Float.valueOf(props.getProperty("frame_rate", "1"));
String rtype = props.getProperty("repeat_type", "wrap");
if (rtype.equals("clamp")) {
_repeatType = Controller.RT_CLAMP;
} else if (rtype.equals("cycle")) {
_repeatType = Controller.RT_CYCLE;
} else if (rtype.equals("wrap")) {
_repeatType = Controller.RT_WRAP;
} else {
Log.warning("Invalid repeat type [type=" + rtype + "].");
_repeatType = Controller.RT_WRAP;
}
}
@Override // documentation inherited
public void resolveTextures (TextureProvider tprov)
{
super.resolveTextures(tprov);
// compute derived values
_hframes = (int)Math.floor(1f / _frameWidth);
_vframes = (int)Math.floor(1f / _frameHeight);
// use the same translation vector for all textures
_translation = new Vector3f();
for (Texture texture : _textures) {
texture.setTranslation(_translation);
}
}
// documentation inherited
public void update (float time)
{
if (!isActive()) {
return;
}
float spf = 1f / _frameRate;
for (_faccum += time; _faccum >= spf; _faccum -= spf) {
advanceFrame();
}
_translation.set(
(_fidx % _hframes) * _frameWidth,
(_vframes - 1 - (_fidx / _hframes)) * _frameHeight,
0f);
}
@Override // documentation inherited
public Controller putClone (
Controller store, Model.CloneCreator properties)
{
TextureAnimator tstore;
if (store == null) {
tstore = new TextureAnimator();
} else {
tstore = (TextureAnimator)store;
}
super.putClone(tstore, properties);
tstore._frameWidth = _frameWidth;
tstore._frameHeight = _frameHeight;
tstore._frameCount = _frameCount;
tstore._frameRate = _frameRate;
tstore._repeatType = _repeatType;
return tstore;
}
@Override // documentation inherited
public void read (JMEImporter im)
throws IOException
{
super.read(im);
InputCapsule capsule = im.getCapsule(this);
_frameWidth = capsule.readFloat("frameWidth", 0.5f);
_frameHeight = capsule.readFloat("frameHeight", 0.5f);
_frameCount = capsule.readInt("frameCount", 4);
_frameRate = capsule.readFloat("frameRate", 1f);
_repeatType = capsule.readInt("repeatType", Controller.RT_WRAP);
}
@Override // documentation inherited
public void write (JMEExporter ex)
throws IOException
{
super.write(ex);
OutputCapsule capsule = ex.getCapsule(this);
capsule.write(_frameWidth, "frameWidth", 0.5f);
capsule.write(_frameHeight, "frameHeight", 0.5f);
capsule.write(_frameCount, "frameCount", 4);
capsule.write(_frameRate, "frameRate", 1f);
capsule.write(_repeatType, "repeatType", Controller.RT_WRAP);
}
/**
* Advances by one frame.
*/
protected void advanceFrame ()
{
if ((_fidx += _fdir) >= _frameCount) {
if (_repeatType == Controller.RT_CLAMP) {
_fidx = _frameCount - 1;
_fdir = 0;
} else if (_repeatType == Controller.RT_WRAP) {
_fidx = 0;
} else { // repeatType == Controller.RT_CYCLE
_fidx = _frameCount - 2;
_fdir = -1;
}
} else if (_fidx < 0) {
_fidx = 1;
_fdir = +1;
}
}
/** The width of the frames in texture units. */
protected float _frameWidth;
/** The height of the frames in texture units. */
protected float _frameHeight;
/** The number of frames in the texture. */
protected int _frameCount;
/** The rate at which to display the frames (frames per second). */
protected float _frameRate;
/** The repeat type (one of the constants in {@link Controller}). */
protected int _repeatType;
/** The number of frames on the horizontal and vertical axes. */
protected transient int _hframes, _vframes;
/** The current animation frame and direction. */
protected transient int _fidx, _fdir = +1;
/** The time accumulated towards the next frame. */
protected transient float _faccum;
/** The shared texture translation. */
protected transient Vector3f _translation;
private static final long serialVersionUID = 1;
}
src/java/com/threerings/jme/model/TextureController.java
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//
// $Id: Rotator.java 119 2007-01-24 00:22:12Z dhoover $
//
// Narya library - tools for developing networked games
// Copyright (C) 2002-2005 Three Rings Design, Inc., All Rights Reserved
// http://www.threerings.net/code/narya/
//
// This library is free software; you can redistribute it and/or modify it
// under the terms of the GNU Lesser General Public License as published
// by the Free Software Foundation; either version 2.1 of the License, or
// (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
package com.threerings.jme.model;
import java.util.HashMap;
import com.jme.image.Texture;
import com.jme.scene.state.RenderState;
import com.jme.scene.state.TextureState;
import com.threerings.jme.util.SpatialVisitor;
/**
* Base class for controllers that affect a model's textures.
*/
public abstract class TextureController extends ModelController
{
@Override // documentation inherited
public void resolveTextures (TextureProvider tprov)
{
super.resolveTextures(tprov);
// find and clone all textures under the target
final HashMap<Texture, Texture> clones = new HashMap<Texture, Texture>();
new SpatialVisitor<ModelMesh>(ModelMesh.class) {
protected void visit (ModelMesh mesh) {
TextureState tstate = (TextureState)mesh.getRenderState(RenderState.RS_TEXTURE);
if (tstate == null) {
return;
}
for (int ii = 0, nn = tstate.getNumberOfSetTextures(); ii < nn; ii++) {
Texture tex = tstate.getTexture(ii), ctex = clones.get(tex);
if (ctex == null) {
if (tex.getTextureId() == 0) {
tstate.load(ii);
}
clones.put(tex, ctex = tex.createSimpleClone());
}
tstate.setTexture(ctex, ii);
}
}
}.traverse(_target);
// remember them for updates
_textures = clones.values().toArray(new Texture[0]);
}
/** The cloned textures to manipulate. */
protected transient Texture[] _textures;
private static final long serialVersionUID = 1;
}
src/java/com/threerings/jme/model/TextureTranslator.java
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//
// $Id: Rotator.java 119 2007-01-24 00:22:12Z dhoover $
//
// Narya library - tools for developing networked games
// Copyright (C) 2002-2005 Three Rings Design, Inc., All Rights Reserved
// http://www.threerings.net/code/narya/
//
// This library is free software; you can redistribute it and/or modify it
// under the terms of the GNU Lesser General Public License as published
// by the Free Software Foundation; either version 2.1 of the License, or
// (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
package com.threerings.jme.model;
import java.io.IOException;
import java.util.Properties;
import com.jme.image.Texture;
import com.jme.math.Vector2f;
import com.jme.math.Vector3f;
import com.jme.scene.Controller;
import com.jme.scene.Spatial;
import com.jme.util.export.JMEExporter;
import com.jme.util.export.JMEImporter;
import com.jme.util.export.InputCapsule;
import com.jme.util.export.OutputCapsule;
import com.samskivert.util.StringUtil;
import com.threerings.jme.Log;
import com.threerings.jme.util.SpatialVisitor;
/**
* A procedural animation that translates the model's textures at a constant velocity.
*/
public class TextureTranslator extends TextureController
{
@Override // documentation inherited
public void configure (Properties props, Spatial target)
{
super.configure(props, target);
String velstr = props.getProperty("velocity", "1, 0");
float[] vel = StringUtil.parseFloatArray(velstr);
if (vel != null && vel.length == 2) {
_velocity = new Vector2f(vel[0], vel[1]);
} else {
Log.warning("Invalid velocity [velocity=" + velstr + "].");
}
}
@Override // documentation inherited
public void resolveTextures (TextureProvider tprov)
{
super.resolveTextures(tprov);
// use the same translation vector for all textures
_translation = new Vector3f();
for (Texture texture : _textures) {
texture.setTranslation(_translation);
}
}
// documentation inherited
public void update (float time)
{
if (!isActive()) {
return;
}
_translation.addLocal(_velocity.x * time, _velocity.y * time, 0f);
}
@Override // documentation inherited
public Controller putClone (
Controller store, Model.CloneCreator properties)
{
TextureTranslator tstore;
if (store == null) {
tstore = new TextureTranslator();
} else {
tstore = (TextureTranslator)store;
}
super.putClone(tstore, properties);
tstore._velocity = _velocity;
return tstore;
}
@Override // documentation inherited
public void read (JMEImporter im)
throws IOException
{
super.read(im);
InputCapsule capsule = im.getCapsule(this);
_velocity = (Vector2f)capsule.readSavable("velocity", null);
}
@Override // documentation inherited
public void write (JMEExporter ex)
throws IOException
{
super.write(ex);
OutputCapsule capsule = ex.getCapsule(this);
capsule.write(_velocity, "velocity", null);
}
/** The velocity at which to translate the texture. */
protected Vector2f _velocity;
/** The shared translation vector. */
protected transient Vector3f _translation;
private static final long serialVersionUID = 1;
}