1 files changed, 108 insertions, 0 deletions
diff --git a/src/Sprite.cpp b/src/Sprite.cpp
new file mode 100644
index 0000000..b921394
--- /dev/null
+++ b/src/Sprite.cpp
@@ -0,0 +1,108 @@
+#include "Sprite.h"
+
+Sprite::Sprite(QGraphicsItem *parent, QGraphicsScene *scene)
+	: QObject(0),
+	  QGraphicsPixmapItem(parent, scene),
+	  m_currentFrame(0),
+      m_interval(1000/20)
+{
+    addAnimation("default", FrameList());
+    setAnimation("default");
+
+    m_timer.invalidate();
+}
+
+void Sprite::addFrame(const QString &anim, QPixmap frame)
+{
+    if (!m_animations.contains(anim))
+    {
+        FrameList l;
+        m_animations[anim] = l;
+    }
+
+    m_animations[anim].append(frame);
+}
+
+void Sprite::addAnimation(const QString &anim, const FrameList &frames)
+{
+    if (!m_animations.contains(anim))
+    {
+        m_animations[anim] = frames;
+    }
+    else
+    {
+        m_animations[anim].append(frames);
+    }
+}
+
+void Sprite::setFrame(int frame)
+{
+    if (frame < 0 || frame >= getCurrentAnimation().size())
+    {
+        qWarning("invalid frame number %d", frame);
+        return;
+    }
+
+    m_currentFrame = frame;
+    setPixmap(getFramePixmap());
+}
+
+int Sprite::getFrame() const
+{
+    return m_currentFrame;
+}
+
+QPixmap Sprite::getFramePixmap() const
+{
+    return getCurrentAnimation()[m_currentFrame];
+}
+
+int Sprite::getFrameCount() const
+{
+    return getCurrentAnimation().size();
+}
+
+Sprite::FrameList Sprite::getCurrentAnimation() const
+{
+    return m_animations[m_currentAnimation];
+}
+
+void Sprite::nextFrame()
+{
+    m_currentFrame++;
+
+    if (m_currentFrame >= getCurrentAnimation().size())
+        m_currentFrame = 0;
+
+    setFrame(m_currentFrame);
+}
+
+void Sprite::setAnimation(const QString &anim)
+{
+    if (!m_animations.contains(anim))
+    {
+        qWarning("animation '%s' doesn't exist", anim.toUtf8().data());
+        return;
+    }
+
+    if (m_currentAnimation != anim)
+        m_currentAnimation = anim;
+}
+
+void Sprite::advance(int phase)
+{
+    if (phase == 1)
+        return;
+
+    if (m_timer.isValid() && m_timer.elapsed() >= m_interval)
+    {
+        nextFrame();
+        m_timer.start();
+    }
+
+    // this should be run the first time advance() is called
+    if (!m_timer.isValid())
+    {
+        m_timer.start();
+    }
+}