From da6ef5d87e1cafc0a7de658dc65a9a4578e28f6c Mon Sep 17 00:00:00 2001
From: manuel <manuel@mausz.at>
Date: Wed, 6 Apr 2011 23:29:31 +0200
Subject: - make a few optimizations to actor sprites - make actor move via
 keyboard!

---
 pacman-c++/actor.cpp | 127 +++++++++++++++++++++++++++++++++++++++++++++------
 1 file changed, 112 insertions(+), 15 deletions(-)

(limited to 'pacman-c++/actor.cpp')

diff --git a/pacman-c++/actor.cpp b/pacman-c++/actor.cpp
index cde20cd..1796091 100644
--- a/pacman-c++/actor.cpp
+++ b/pacman-c++/actor.cpp
@@ -1,8 +1,6 @@
 #include "actor.h"
 #include "animationmanager.h"
 #include <QtCore/QPropertyAnimation>
-#include <QtCore/QSequentialAnimationGroup>
-#include <QtCore/QParallelAnimationGroup>
 #include <QtCore/QVariantAnimation>
 #include <QDebug>
 
@@ -11,8 +9,8 @@ static QVariant myBooleanInterpolator(const bool &start, const bool &end, qreal
   return (progress == 1.0) ? end : start;
 }
 
-Actor::Actor(Color::Color color, QGraphicsItem *parent)
-  : PixmapItem(parent), m_color(color), m_direction(Actor::None)
+Actor::Actor(Color::Color color, bool local, QGraphicsItem *parent)
+  : PixmapItem(parent), m_color(color), m_direction(Actor::None), m_local(local)
 {
   m_pix  = ":/" + QString("actor%1").arg((m_color >> 1) + 1);
   // DON'T set any pixmap here. we've a pixmap in the animation
@@ -24,23 +22,47 @@ Actor::Actor(Color::Color color, QGraphicsItem *parent)
   m_icon.setPixmap(m_pix);
   m_icon.setSprite(Constants::sprite_margin, Constants::sprite_margin, Constants::field_size.width, Constants::field_size.height);
 
-  m_direction = Actor::Left;
+  /* setup static images first
+   * they are visible if no animation is running
+   * and will be the first in m_images
+   */
+  for (int i = 0; i < 5; i++)
+  {
+    PixmapItem *img = new PixmapItem(m_pix, this);
+    m_images.append(img);
+    int x = i * Constants::sprite_offset + Constants::sprite_margin;
+    int y = Actor::None * Constants::sprite_offset + Constants::sprite_margin;
+    img->setSprite(x, y, Constants::field_size.width, Constants::field_size.height);
+    img->setZValue(zValue());
+    img->setVisible(false);
+  }
 
+  /* setup animation stuff */
   qRegisterAnimationInterpolator<bool>(myBooleanInterpolator);
+  m_moving = new QParallelAnimationGroup(this);
+  m_eating.append(NULL); // Actor::None
+  m_eating.append(setupEatingAnimation(Actor::Left));
+  m_eating.append(setupEatingAnimation(Actor::Right));
+  m_eating.append(setupEatingAnimation(Actor::Up));
+  m_eating.append(setupEatingAnimation(Actor::Down));
+
+  /* make the picture showing the current direction visible */
+  m_images[m_direction]->setVisible(true);
+}
 
+QSequentialAnimationGroup *Actor::setupEatingAnimation(Actor::Movement direction)
+{
   QSequentialAnimationGroup *eating = new QSequentialAnimationGroup(this);
-  QParallelAnimationGroup *moving = new QParallelAnimationGroup(this);
   eating->setLoopCount(-1);
-
   for (int i = 0; i < 4; i++)
   {
     PixmapItem *img = new PixmapItem(m_pix, this);
+    m_images.append(img);
     int x = i * Constants::sprite_offset + Constants::sprite_margin;
-    int y = m_direction * Constants::sprite_offset + Constants::sprite_margin;
+    int y = direction * Constants::sprite_offset + Constants::sprite_margin;
     img->setSprite(x, y, Constants::field_size.width, Constants::field_size.height);
     img->setZValue(zValue());
     img->setVisible(false);
-    img->setPos(QPointF(200, 0));
 
     QPropertyAnimation *fadein = new QPropertyAnimation(img, "visible", eating);
     fadein->setDuration(0);
@@ -52,17 +74,92 @@ Actor::Actor(Color::Color color, QGraphicsItem *parent)
     fadeout->setDuration(0);
     fadeout->setEndValue(false);
 
-    QPropertyAnimation *move = new QPropertyAnimation(img, "pos", moving);
-    move->setDuration(5000);
-    move->setEndValue(QPointF(0, 0));
+    QPropertyAnimation *move = new QPropertyAnimation(img, "pos", m_moving);
+    move->setDuration(Constants::tick);
   }
 
-  AnimationManager::self()->registerAnimation(eating);
-  eating->start();
-  moving->start();
+  return eating;
+}
+
+Color::Color Actor::getColor()
+{
+  return m_color;
 }
 
 PixmapItem &Actor::getIcon()
 {
   return m_icon;
 }
+
+bool Actor::isLocal()
+{
+  return m_local;
+}
+
+void Actor::move(Actor::Movement direction)
+{
+  //TODO: remove?
+  if (isMoving())
+    return;
+
+  /* stop current animation */
+  if (direction != m_direction)
+  {
+    /* hide all pictures */
+    for (int i = 0; i < m_images.size(); ++i)
+      m_images.at(i)->setVisible(false);
+
+    if (m_eating[m_direction] != NULL)
+    {
+      m_eating[m_direction]->stop();
+      //AnimationManager::self()->unregisterAnimation(m_eating[m_direction]);
+    }
+  }
+
+  QPointF endpos(0, 0);
+  switch(direction)
+  {
+  case Actor::None:
+    break;
+  case Actor::Left:
+    endpos.setX(static_cast<qreal>(Constants::field_size.width) * -1);
+    break;
+  case Actor::Right:
+    endpos.setX(Constants::field_size.width);
+    break;
+  case Actor::Up:
+    endpos.setY(static_cast<qreal>(Constants::field_size.height) * -1);
+    break;
+  case Actor::Down:
+    endpos.setY(Constants::field_size.height);
+    break;
+  default:
+    Q_ASSERT(false);
+    break;
+  }
+
+  qDebug() << __FILE__ << "Move from" << pos() - endpos << "to" << (pos()) << "(" << endpos << ")";
+  for(int i = 0; i < m_moving->animationCount(); ++i)
+  {
+    QPropertyAnimation *move = dynamic_cast<QPropertyAnimation *>(m_moving->animationAt(i));
+    move->setStartValue(QPoint(0, 0) - endpos);
+    move->setEndValue(QPoint(0, 0));
+  }
+  setPos(pos() + endpos);
+
+  /* start new animation */
+  if (direction != m_direction)
+  {
+    if (direction == Actor::None)
+      m_images[m_direction]->setVisible(true);
+    else
+      m_eating[direction]->start();
+    m_direction = direction;
+  }
+  m_moving->start();
+}
+
+bool Actor::isMoving()
+{
+  return (m_moving->state() ==  QAbstractAnimation::Running);
+}
-- 
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