void EdStateMovie::FrameTick()
{
KrImNode* image = shared->Engine()->Tree()->FindNodeById( 0 );
GLASSERT( image );
KrSprite* sprite = image->ToSprite();
GLASSERT( sprite );
sprite->DoStep();
int x = sprite->CompositeXForm(0).x.ToInt();
int y = sprite->CompositeXForm(0).y.ToInt();
KrRect screen = shared->Engine()->ScreenBounds();
GlFixed scale = movieNode->XScale();
GlFixed inverse = GlFixed( 1 ) / scale;
if ( x < 0 )
sprite->SetPos( (inverse * screen.Width()).ToInt(), sprite->Y() );
if ( x > screen.Width() )
sprite->SetPos( 0, sprite->Y() );
if ( y < 0 )
sprite->SetPos( sprite->X(), (inverse*screen.Height()).ToInt() );
if ( y > screen.Height() )
sprite->SetPos( sprite->X(), 0 );
}
int main( int argc, char *argv[] )
{
// code_d A random number generator.
Random random;
SDL_Surface* screen;
const SDL_version* sdlVersion = SDL_Linked_Version();
if ( sdlVersion->minor < 2 )
{
printf( "SDL version must be at least 1.2.0" );
exit( 254 );
}
/* Initialize the SDL library */
if ( SDL_Init(SDL_INIT_VIDEO|SDL_INIT_TIMER|SDL_INIT_NOPARACHUTE) < 0 ) {
printf( "Couldn't initialize SDL: %s\n",SDL_GetError());
exit(255);
}
/* Create a display for the image */
screen = SDL_SetVideoMode( SCREENX, SCREENY, 0, SDL_SWSURFACE );
if ( screen == NULL ) {
exit(3);
}
KrEngine* engine = new KrEngine( screen );
engine->Draw();
// Load the dat file.
// The dat file was carefully created in the sprite
// editor. Loading allows us access to the
// MAGE, PARTICLE, and CARPET.
if ( !engine->Vault()->LoadDatFile( "tutorial1.dat" ) )
{
printf( "Error loading the tutorial dat file\n" );
exit( 255 );
}
// Get the CARPET resource
KrSpriteResource* carpetRes = engine->Vault()->GetSpriteResource( TUT1_CARPET );
GLASSERT( carpetRes );
// Create the carpet sprite and add it to the tree
KrSprite* carpet = new KrSprite( carpetRes );
carpet->SetPos( SCREENX, SCREENY / 2 );
engine->Tree()->AddNode( 0, carpet );
// Get the MAGE resource, create the mage.
KrSpriteResource* mageRes = engine->Vault()->GetSpriteResource( TUT1_MAGE );
GLASSERT( mageRes );
KrSprite* mage = new KrSprite( mageRes );
// Add the Mage as a child of the carpet.
engine->Tree()->AddNode( carpet, mage );
SDL_Event event;
bool done = false;
// Start timing!
SDL_SetTimer( TIMER_INTERVAL, TimerCallback );
while( !done && SDL_WaitEvent(&event) )
{
if ( event.type == SDL_QUIT )
break;
switch(event.type)
{
case SDL_KEYDOWN:
{
done = true;
}
break;
case SDL_TIMER_EVENT:
{
// code_d Walk the list and move the particles
// Move the carpet.
carpet->DoStep();
if ( carpet->X() < 0 )
{
carpet->SetPos( SCREENX, carpet->Y() );
}
engine->Draw();
}
break;
default:
break;
}
}
delete engine;
SDL_Quit();
return 0;
}