1 files changed, 161 insertions, 0 deletions
diff --git a/ktux/spriteanim.cpp b/ktux/spriteanim.cpp
new file mode 100644
index 0000000..2c21838
--- /dev/null
+++ b/ktux/spriteanim.cpp
@@ -0,0 +1,161 @@
+//---------------------------------------------------------------------------
+//
+// spriteanim.cpp
+//
+// Copyright (c) 1999 Martin R. Jones <mjones@kde.org>
+//
+
+#include "spritemisc.h"
+#include "spritepm.h"
+#include "spriteanim.h"
+#include <kdebug.h>
+
+//===========================================================================
+//
+// SpriteObject stores the animations that create an object
+//
+SpriteObject::SpriteObject(SpritePixmapSequence *seq, QCanvas *c )
+    : QCanvasSprite(seq, c),
+      mCycle(0),
+      mLifeSpan(-1),
+      mSeq(seq)
+{
+}
+
+//---------------------------------------------------------------------------
+void SpriteObject::age()
+{
+    if (mLifeSpan > 0)
+    {
+        mLifeSpan--;
+    }
+    mCycle++;
+    if (mCycle > mSeq->delay(frame()))
+    {
+        setFrame((frame()+1)%frameCount());
+        mCycle = 0;
+    }
+}
+
+void SpriteObject::setBounds( int x1, int y1, int x2, int y2 )
+{
+    mBound = QRect( x1, y1, x2-x1, y2-y1 );
+}
+
+bool SpriteObject::outOfBounds() const
+{
+    bool in = mBound.contains( static_cast<int>(x()), static_cast<int>(y()) );
+    return !in;
+}
+
+//===========================================================================
+//
+// SpriteDef stores the animations that create an object
+//
+SpriteDef::SpriteDef(KConfigBase &config)
+{
+    read(config);
+}
+
+//---------------------------------------------------------------------------
+SpriteObject *SpriteDef::create( QCanvas *c )
+{
+    SpriteObject *sprite = 0;
+    if (mSeq)
+    {
+        int startX = mStartX.random();
+        int startY = mStartY.random();
+        sprite = new SpriteObject(mSeq, c);
+        sprite->setVelocity(mDirX.random(), mDirY.random());
+	if ( mDirX.min() != 0 || mDirX.max() != 0 ||
+	     mDirY.min() != 0 || mDirY.max() != 0 ) {
+	    sprite->setAnimated( true );
+	}
+        sprite->move(startX, startY);
+        sprite->setBounds(startX-1, startY-1, mEndX.random()+1, mEndY.random()+1);
+        sprite->setLifeSpan(mLifeSpan);
+        sprite->setZ(mZ);
+        sprite->show();
+    }
+
+    return sprite;
+}
+
+//---------------------------------------------------------------------------
+void SpriteDef::read(KConfigBase &config)
+{
+    mDirX.set(config.readEntry("DirectionX", "0"));
+    mDirY.set(config.readEntry("DirectionY", "0"));
+    mStartX.set(config.readEntry("StartX", "0"));
+    mStartY.set(config.readEntry("StartY", "0"));
+    mEndX.set(config.readEntry("EndX", "10000"));
+    mEndY.set(config.readEntry("EndY", "10000"));
+    mLifeSpan = config.readNumEntry("LifeSpan", -1);
+    mZ = config.readNumEntry("Z", 1);
+    QString animation = config.readEntry("Animation", "");
+    mSeq = SpriteSequenceManager::manager()->load(config, animation);
+    kdDebug() << "Set Z = " << mZ << endl;
+}
+
+//===========================================================================
+//
+// SpriteGroup
+//
+SpriteGroup::SpriteGroup(QCanvas *c, KConfigBase &config)
+    : mCanvas(c)
+{
+    mAvailable.setAutoDelete(true);
+    mActive.setAutoDelete(true);
+    read(config);
+}
+
+//---------------------------------------------------------------------------
+void SpriteGroup::next()
+{
+    QPtrListIterator<SpriteObject> it(mActive);
+
+    for (; it.current(); ++it)
+    {
+        SpriteObject *sprite = it.current();
+        if (sprite->outOfBounds() || sprite->dead())
+        {
+            mActive.removeRef(sprite);
+        }
+        else
+        {
+//            sprite->forward(1);
+            sprite->age();
+        }
+    }
+}
+
+//---------------------------------------------------------------------------
+void SpriteGroup::refresh()
+{
+    if (((int) mActive.count()) < mCount)
+    {
+        SpriteObject *sprite = mAvailable.first()->create(mCanvas);
+        mActive.append(sprite);
+    }
+}
+
+
+//---------------------------------------------------------------------------
+void SpriteGroup::read(KConfigBase &config)
+{
+    SpriteRange countRange(config.readEntry("Count", "1"));
+    mCount = countRange.random();
+
+    mRefresh.set(config.readEntry("Refresh", "1000"));
+
+    QStrList anims;
+    config.readListEntry("Animations", anims);
+
+    for (anims.first(); anims.current(); anims.next())
+    {
+        config.setGroup(anims.current());
+        SpriteDef *obj = new SpriteDef(config);
+        mAvailable.append(obj);
+    }
+}
+