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Split out fading sprite capability from the CardSprite class so it can be extended and used elsewhere.

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git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@3819 542714f4-19e9-0310-aa3c-eee0fc999fb1
This commit is contained in:
Mike Thomas
2006-01-24 19:46:34 +00:00
parent 765fdc8edf
commit dfc8112277
2 changed files with 229 additions and 206 deletions
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src/java/com/threerings/media/sprite/FadableImageSprite.java
+203
View File
@@ -0,0 +1,203 @@
package com.threerings.media.sprite;
import java.awt.AlphaComposite;
import java.awt.Graphics2D;
import java.awt.Composite;
import com.threerings.media.util.Path;
public class FadableImageSprite extends OrientableImageSprite
{
/**
* Fades this sprite in over the specified duration after
* waiting for the specified delay.
*/
public void fadeIn (long delay, long duration)
{
setAlpha(0.0f);
_fadeStamp = 0;
_fadeDelay = delay;
_fadeInDuration = duration;
}
/**
* Puts this sprite on the specified path and fades it in over
* the specified duration.
*
* @param path the path to move along
* @param fadePortion the portion of time to spend fading in, from 0.0f
* (no time) to 1.0f (the entire time)
*/
public void moveAndFadeIn (Path path, long pathDuration, float fadePortion)
{
move(path);
setAlpha(0.0f);
_fadeInDuration = (long)(pathDuration*fadePortion);
}
/**
* Puts this sprite on the specified path and fades it out over
* the specified duration.
*
* @param path the path to move along
* @param pathDuration the duration of the path
* @param fadePortion the portion of time to spend fading out, from 0.0f
* (no time) to 1.0f (the entire time)
*/
public void moveAndFadeOut (Path path, long pathDuration, float fadePortion)
{
move(path);
setAlpha(1.0f);
_pathDuration = pathDuration;
_fadeOutDuration = (long)(pathDuration*fadePortion);
}
/**
* Puts this sprite on the specified path, fading it in over the specified
* duration at the beginning and fading it out at the end.
*
* @param path the path to move along
* @param pathDuration the duration of the path
* @param fadePortion the portion of time to spend fading in/out, from
* 0.0f (no time) to 1.0f (the entire time)
*/
public void moveAndFadeInAndOut (Path path, long pathDuration,
float fadePortion)
{
move(path);
setAlpha(0.0f);
_pathDuration = pathDuration;
_fadeInDuration = _fadeOutDuration = (long)(pathDuration*fadePortion);
}
// Documentation inherited.
public void tick (long tickStamp)
{
super.tick(tickStamp);
if (_fadeInDuration != -1) {
if (_path != null && (tickStamp-_pathStamp) <= _fadeInDuration) {
// fading in while moving
float alpha = (float)(tickStamp-_pathStamp)/_fadeInDuration;
if (alpha >= 1.0f) {
// fade-in complete
setAlpha(1.0f);
_fadeInDuration = -1;
} else {
setAlpha(alpha);
}
} else {
// fading in while stationary
if (_fadeStamp == 0) {
// store the time at which fade started
_fadeStamp = tickStamp;
}
if (tickStamp > _fadeStamp + _fadeDelay) {
// initial delay has passed
float alpha = (float)(tickStamp-_fadeStamp-_fadeDelay)/
_fadeInDuration;
if (alpha >= 1.0f) {
// fade-in complete
setAlpha(1.0f);
_fadeInDuration = -1;
} else {
setAlpha(alpha);
}
}
}
} else if (_fadeOutDuration != -1 && _pathStamp+_pathDuration-tickStamp
<= _fadeOutDuration) {
// fading out while moving
float alpha = (float)(_pathStamp+_pathDuration-tickStamp)/
_fadeOutDuration;
setAlpha(alpha);
}
}
// Documentation inherited.
public void pathCompleted (long timestamp)
{
super.pathCompleted(timestamp);
if (_fadeInDuration != -1) {
setAlpha(1.0f);
_fadeInDuration = -1;
} else if (_fadeOutDuration != -1) {
setAlpha(0.0f);
_fadeOutDuration = -1;
}
}
// Documentation inherited.
public void paint (Graphics2D gfx)
{
if (_alphaComposite.getAlpha() < 1.0f) {
Composite ocomp = gfx.getComposite();
gfx.setComposite(_alphaComposite);
super.paint(gfx);
gfx.setComposite(ocomp);
} else {
super.paint(gfx);
}
}
/**
* Sets the alpha value of this sprite.
*/
public void setAlpha (float alpha)
{
if (alpha < 0.0f) {
alpha = 0.0f;
} else if (alpha > 1.0f) {
alpha = 1.0f;
}
if (alpha != _alphaComposite.getAlpha()) {
_alphaComposite =
AlphaComposite.getInstance(AlphaComposite.SRC_OVER, alpha);
if (_mgr != null) {
_mgr.getRegionManager().invalidateRegion(_bounds);
}
}
}
/**
* Returns the alpha value of this sprite.
*/
public float getAlpha ()
{
return _alphaComposite.getAlpha();
}
/** The alpha composite. */
protected AlphaComposite _alphaComposite =
AlphaComposite.getInstance(AlphaComposite.SRC_OVER, 1.0f);
/** If fading in, the fade-in duration (otherwise -1). */
protected long _fadeInDuration = -1;
/** If fading in without moving, the fade-in delay. */
protected long _fadeDelay;
/** The time at which fading started. */
protected long _fadeStamp = -1;
/** If fading out, the fade-out duration (otherwise -1). */
protected long _fadeOutDuration = -1;
/** If fading out, the path duration. */
protected long _pathDuration;
}
src/java/com/threerings/parlor/card/client/CardSprite.java
+26 -206
View File
@@ -21,13 +21,11 @@
package com.threerings.parlor.card.client;
import java.awt.AlphaComposite;
import java.awt.Composite;
import java.awt.Graphics2D;
import java.awt.geom.AffineTransform;
import com.threerings.media.image.Mirage;
import com.threerings.media.sprite.OrientableImageSprite;
import com.threerings.media.sprite.FadableImageSprite;
import com.threerings.media.util.Path;
import com.threerings.parlor.card.data.Card;
@@ -35,7 +33,7 @@ import com.threerings.parlor.card.data.Card;
/**
* A sprite representing a playing card.
*/
public class CardSprite extends OrientableImageSprite
public class CardSprite extends FadableImageSprite
implements Comparable
{
/**
@@ -50,10 +48,10 @@ public class CardSprite extends OrientableImageSprite
_panel = panel;
_card = card;
_facingUp = true;
updateMirage();
}
/**
* Creates a new card sprite.
*
@@ -66,10 +64,10 @@ public class CardSprite extends OrientableImageSprite
_panel = panel;
_card = card;
_facingUp = facingUp;
updateMirage();
}
/**
* Sets the card to depict.
*
@@ -78,10 +76,10 @@ public class CardSprite extends OrientableImageSprite
public void setCard (Card card)
{
_card = card;
updateMirage();
}
/**
* Returns the card being depicted.
*
@@ -89,9 +87,9 @@ public class CardSprite extends OrientableImageSprite
*/
public Card getCard ()
{
return _card;
return _card;
}
/**
* Turns this card up or down.
*
@@ -100,10 +98,10 @@ public class CardSprite extends OrientableImageSprite
public void setFacingUp (boolean facingUp)
{
_facingUp = facingUp;
updateMirage();
}
/**
* Checks whether this card is facing up or down.
*
@@ -113,7 +111,7 @@ public class CardSprite extends OrientableImageSprite
{
return _facingUp;
}
/**
* Sets whether or not the user can drag this card around the board.
*
@@ -123,7 +121,7 @@ public class CardSprite extends OrientableImageSprite
{
_draggable = draggable;
}
/**
* Checks whether or not the user can drag this card.
*
@@ -133,34 +131,6 @@ public class CardSprite extends OrientableImageSprite
{
return _draggable;
}
/**
* Sets the alpha value of this sprite.
*/
public void setAlpha (float alpha)
{
if (alpha < 0.0f) {
alpha = 0.0f;
} else if (alpha > 1.0f) {
alpha = 1.0f;
}
if (alpha != _alphaComposite.getAlpha()) {
_alphaComposite = AlphaComposite.getInstance(AlphaComposite.SRC_OVER,
alpha);
if (_mgr != null) {
_mgr.getRegionManager().invalidateRegion(_bounds);
}
}
}
/**
* Returns the alpha value of this sprite.
*/
public float getAlpha ()
{
return _alphaComposite.getAlpha();
}
/**
* Flip the card from its current displayed card to the specified card.
@@ -173,76 +143,7 @@ public class CardSprite extends OrientableImageSprite
_scaleFactor = 1.0;
}
/**
* Fades this sprite in over the specified duration after
* waiting for the specified delay.
*/
public void fadeIn (long delay, long duration)
{
setAlpha(0.0f);
_fadeStamp = 0;
_fadeDelay = delay;
_fadeInDuration = duration;
}
/**
* Puts this sprite on the specified path and fades it in over
* the specified duration.
*
* @param path the path to move along
* @param fadePortion the portion of time to spend fading in, from 0.0f (no time)
* to 1.0f (the entire time)
*/
public void moveAndFadeIn (Path path, long pathDuration, float fadePortion)
{
move(path);
setAlpha(0.0f);
_fadeInDuration = (long)(pathDuration*fadePortion);
}
/**
* Puts this sprite on the specified path and fades it out over
* the specified duration.
*
* @param path the path to move along
* @param pathDuration the duration of the path
* @param fadePortion the portion of time to spend fading out, from 0.0f (no time)
* to 1.0f (the entire time)
*/
public void moveAndFadeOut (Path path, long pathDuration, float fadePortion)
{
move(path);
setAlpha(1.0f);
_pathDuration = pathDuration;
_fadeOutDuration = (long)(pathDuration*fadePortion);
}
/**
* Puts this sprite on the specified path, fading it in over the specified
* duration at the beginning and fading it out at the end.
*
* @param path the path to move along
* @param pathDuration the duration of the path
* @param fadePortion the portion of time to spend fading in/out, from
* 0.0f (no time) to 1.0f (the entire time)
*/
public void moveAndFadeInAndOut (Path path, long pathDuration,
float fadePortion)
{
move(path);
setAlpha(0.0f);
_pathDuration = pathDuration;
_fadeInDuration = _fadeOutDuration = (long)(pathDuration*fadePortion);
}
// Documentation inherited.
public void tick (long tickStamp)
{
@@ -279,63 +180,9 @@ public class CardSprite extends OrientableImageSprite
_mgr.getRegionManager().invalidateRegion(_bounds);
}
}
if (_fadeInDuration != -1) {
if (_path != null && (tickStamp-_pathStamp) <= _fadeInDuration) {
// fading in while moving
float alpha = (float)(tickStamp-_pathStamp)/_fadeInDuration;
if (alpha >= 1.0f) {
// fade-in complete
setAlpha(1.0f);
_fadeInDuration = -1;
} else {
setAlpha(alpha);
}
} else {
// fading in while stationary
if (_fadeStamp == 0) {
// store the time at which fade started
_fadeStamp = tickStamp;
}
if (tickStamp > _fadeStamp + _fadeDelay) {
// initial delay has passed
float alpha = (float)(tickStamp-_fadeStamp-_fadeDelay)/_fadeInDuration;
if (alpha >= 1.0f) {
// fade-in complete
setAlpha(1.0f);
_fadeInDuration = -1;
} else {
setAlpha(alpha);
}
}
}
} else if(_fadeOutDuration != -1 && _pathStamp+_pathDuration-tickStamp
<= _fadeOutDuration) {
// fading out while moving
float alpha = (float)(_pathStamp+_pathDuration-tickStamp)/_fadeOutDuration;
setAlpha(alpha);
}
}
// Documentation inherited.
public void pathCompleted (long timestamp)
{
super.pathCompleted(timestamp);
if (_fadeInDuration != -1) {
setAlpha(1.0f);
_fadeInDuration = -1;
} else if(_fadeOutDuration != -1) {
setAlpha(0.0f);
_fadeOutDuration = -1;
}
}
// Documentation inherited.
public void paint (Graphics2D gfx)
{
@@ -351,19 +198,11 @@ public class CardSprite extends OrientableImageSprite
gfx.translate(-xtrans, 0);
}
if (_alphaComposite.getAlpha() < 1.0f) {
Composite ocomp = gfx.getComposite();
gfx.setComposite(_alphaComposite);
super.paint(gfx);
gfx.setComposite(ocomp);
} else {
super.paint(gfx);
}
super.paint(gfx);
gfx.setTransform(otrans);
}
/**
* Compares this to another card sprite based on their cards.
*/
@@ -372,12 +211,12 @@ public class CardSprite extends OrientableImageSprite
CardSprite cs = (CardSprite)other;
if (_card == null || cs._card == null) {
return 0;
} else {
return _card.compareTo(cs._card);
}
}
/**
* Updates the mirage according to the current state.
*/
@@ -386,22 +225,18 @@ public class CardSprite extends OrientableImageSprite
setMirage((_card != null && _facingUp ) ?
_panel.getCardImage(_card) : _panel.getCardBackImage());
}
/** The panel responsible for the sprite. */
protected CardPanel _panel;
/** The depicted card. */
protected Card _card;
/** Whether or not the card is facing up. */
protected boolean _facingUp;
/** Whether or not the user can drag the card around the board. */
protected boolean _draggable;
/** The alpha composite. */
protected AlphaComposite _alphaComposite =
AlphaComposite.getInstance(AlphaComposite.SRC_OVER, 1.0f);
/** The horizontal scale factor used while flipping the card. */
protected double _scaleFactor = 1.0;
@@ -411,22 +246,7 @@ public class CardSprite extends OrientableImageSprite
/** The timestamp for when we started flipping the card. */
protected long _flipStamp;
/** The card which will be revealed when we're done flipping. */
protected Card _flipCard;
/** If fading in, the fade-in duration (otherwise -1). */
protected long _fadeInDuration = -1;
/** If fading in without moving, the fade-in delay. */
protected long _fadeDelay;
/** The time at which fading started. */
protected long _fadeStamp = -1;
/** If fading out, the fade-out duration (otherwise -1). */
protected long _fadeOutDuration = -1;
/** If fading out, the path duration. */
protected long _pathDuration;
}