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// C/C++ includes
#include <stdlib.h>
// Qt includes
#include <qfile.h>
// KDE includes
#include <kdebug.h>
// local includes
#include "kanimation.h"
///////////
// KFrame
KFrame::KFrame( double nx, double ny, int nf )
{
x = nx;
y = ny;
f = nf;
}
KFrame::~KFrame()
{
}
////////////
// KScene
KScene::KScene()
{
current_frame_number = 0;
setAutoDelete( TRUE );
following = new QStrList( TRUE ); // deep copy
following->setAutoDelete( TRUE );
}
KScene::~KScene()
{
delete following;
}
KFrame *KScene::nextFrame()
{
current_frame_number++;
if ( current_frame_number < count() )
return at( current_frame_number );
else
return 0;
}
KFrame *KScene::currentFrame()
{
if ( current_frame_number < count() )
return at( current_frame_number );
else
return 0;
}
void KScene::addFollowingScene( const QString scene_name )
{
following->append( scene_name.latin1() );
}
void KScene::followingSceneName( QString& scene_name )
{
if ( following->count() == 0 )
scene_name = "";
else
scene_name = following->at( rand() % following->count() );
}
void KScene::setToStart()
{
current_frame_number = 0;
}
/////////////
// KStoryBoard
KStoryBoard::KStoryBoard( const QString filename ) : QDict<KScene>()
{
current_scene = 0;
QFile f( filename );
KScene *c_scene = 0;
if ( f.open( IO_ReadOnly ) ) // file opened successfully
{
QTextStream t( &f ); // use a text stream
kdDebug() << "loading the story board..." << endl;
while ( !t.eof() ) // until end of file...
{
QString s = t.readLine(); // line of text excluding '\n'
QString dbgString = s;
int pos = s.find ( "#");
if (pos==-1)
pos = s.find ( ";");
if ( pos > -1 )
{
dbgString = s.mid( pos +1 );
kdDebug() << "Comment: " << dbgString << endl;
s = s.left( pos );
}
if ( !s.isEmpty() )
{
QString command_word = s.section( " ", 0, 0 );
// new scene beginning
if ( command_word == "name" )
{
QString scene_name = s.section( " ", 1, 1 );
c_scene = new KScene();
insert( scene_name, c_scene );
kdDebug() << "scene found: " << scene_name << endl;
}
// new frame
if ( c_scene && command_word == "move" )
{
QString parameters = s.section( " ", 1, 1 );
c_scene->append( new KFrame(
parameters.section( ",", 0, 0 ).toDouble(),
parameters.section( ",", 1, 1 ).toDouble(),
parameters.section( ",", 2, 2 ).toInt() ) );
kdDebug() << parameters << endl;
}
// new following scene
if ( c_scene && command_word == "following" )
{
kdDebug() << "following st..." << endl;
c_scene->addFollowingScene( s.section( " ", 1, 1 ) );
}
}
}
}
f.close();
// TODO check, if all scenes called by "following" exist
setToStart();
}
KStoryBoard::~KStoryBoard()
{
}
KFrame *KStoryBoard::currentFrame()
{
if ( current_scene )
return current_scene->currentFrame();
else
return 0;
}
KFrame *KStoryBoard::nextFrame()
{
if ( current_scene )
{
if ( current_scene->nextFrame() )
return current_scene->currentFrame();
else
{
QString scene_name;
current_scene->followingSceneName( scene_name );
current_scene = find( scene_name );
if ( current_scene )
{
current_scene->setToStart();
return current_scene->currentFrame();
}
else
return 0;
}
}
else
{
return 0;
}
}
void KStoryBoard::setToStart()
{
current_scene = find( "init" );
if ( current_scene )
current_scene->setToStart();
}
//////////
// KAnimation
KAnimation::KAnimation( const QString story_filename,
QCanvasPixmapArray * a, QCanvas * canvas ) :
QCanvasSprite( a, canvas )
{
story = new KStoryBoard( story_filename );
}
KAnimation::~KAnimation()
{
delete story;
}
void KAnimation::advance( int phase )
{
if ( phase == 1 )
{
KFrame * f_ = story->nextFrame();
if ( f_ )
move( f_->x, f_->y, f_->f );
}
}
void KAnimation::setToStart()
{
story->setToStart();
KFrame *f_ = story->currentFrame();
if ( f_ )
move( f_->x, f_->y, f_->f );
}
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