void Warp::selectClosestControlPoint( const WarpList &warps, const ivec2 &position )
{
WarpRef warp;
unsigned i, index;
float d, distance = 10.0e6f;
// find warp and distance to closest control point
for( WarpConstReverseIter itr = warps.rbegin(); itr != warps.rend(); ++itr ) {
i = ( *itr )->findControlPoint( position, &d );
if( d < distance ) {
distance = d;
index = i;
warp = *itr;
}
}
// select the closest control point and deselect all others
for( WarpConstIter itr = warps.begin(); itr != warps.end(); ++itr ) {
if( *itr == warp )
( *itr )->selectControlPoint( index );
else
( *itr )->deselectControlPoint();
}
}
bool Warp::handleResize( WarpList &warps, const ivec2 &size )
{
for( WarpIter itr = warps.begin(); itr != warps.end(); ++itr )
( *itr )->resize( size );
return false;
}
bool Warp::handleMouseDrag( WarpList &warps, MouseEvent &event )
{
for( WarpReverseIter itr = warps.rbegin(); itr != warps.rend() && !event.isHandled(); ++itr )
( *itr )->mouseDrag( event );
return event.isHandled();
}
bool Warp::handleMouseDown( WarpList &warps, MouseEvent &event )
{
// find and select closest control point
selectClosestControlPoint( warps, event.getPos() );
for( WarpReverseIter itr = warps.rbegin(); itr != warps.rend() && !event.isHandled(); ++itr )
( *itr )->mouseDown( event );
return event.isHandled();
}
WarpList Warp::readSettings( const DataSourceRef &source )
{
XmlTree doc;
WarpList warps;
// try to load the specified xml file
try {
doc = XmlTree( source );
}
catch( ... ) {
return warps;
}
// check if this is a valid file
bool isWarp = doc.hasChild( "warpconfig" );
if( !isWarp ) return warps;
//
if( isWarp ) {
// get first profile
XmlTree profileXml = doc.getChild( "warpconfig/profile" );
// iterate maps
for( XmlTree::ConstIter child = profileXml.begin( "map" ); child != profileXml.end(); ++child ) {
XmlTree warpXml = child->getChild( "warp" );
// create warp of the correct type
std::string method = warpXml.getAttributeValue<std::string>( "method", "unknown" );
if( method == "bilinear" ) {
WarpBilinearRef warp( new WarpBilinear() );
warp->fromXml( warpXml );
warps.push_back( warp );
}
else if( method == "perspective" ) {
WarpPerspectiveRef warp( new WarpPerspective() );
warp->fromXml( warpXml );
warps.push_back( warp );
}
else if( method == "perspectivebilinear" ) {
WarpPerspectiveBilinearRef warp( new WarpPerspectiveBilinear() );
warp->fromXml( warpXml );
warps.push_back( warp );
}
}
}
return warps;
}
bool Warp::handleKeyDown( WarpList &warps, KeyEvent &event )
{
for( WarpReverseIter itr = warps.rbegin(); itr != warps.rend() && !event.isHandled(); ++itr )
( *itr )->keyDown( event );
switch( event.getCode() ) {
case KeyEvent::KEY_UP:
case KeyEvent::KEY_DOWN:
case KeyEvent::KEY_LEFT:
case KeyEvent::KEY_RIGHT:
// do not select another control point
break;
}
return event.isHandled();
}
void Warp::writeSettings( const WarpList &warps, const DataTargetRef &target )
{
// create default <profile> (profiles are not yet supported)
XmlTree profile;
profile.setTag( "profile" );
profile.setAttribute( "name", "default" );
//
for( unsigned i = 0; i < warps.size(); ++i ) {
// create <map>
XmlTree map;
map.setTag( "map" );
map.setAttribute( "id", i + 1 );
map.setAttribute( "display", 1 ); // not supported yet
// create <warp>
map.push_back( warps[i]->toXml() );
// add map to profile
profile.push_back( map );
}
// create config document and root <warpconfig>
XmlTree doc;
doc.setTag( "warpconfig" );
doc.setAttribute( "version", "1.0" );
doc.setAttribute( "profile", "default" );
// add profile to root
doc.push_back( profile );
// write file
doc.write( target );
}
void PinballWarpingApp::setupWarps()
{
fs::path settings = getAssetPath( "" ) / "warps.xml";
if( fs::exists( settings ) ) {
// load warp settings from file if one exists
mWarps = Warp::readSettings( loadFile( settings ) );
}
else {
// otherwise create a warp from scratch
mWarps.push_back( WarpPerspectiveBilinear::create() );
}
try {
Warp::setSize( mWarps, getWindowSize()); //vec2(400, 800) );
}
catch( const std::exception &e ) {
console() << e.what() << std::endl;
}
}
void Warp::setSize( const WarpList &warps, int w, int h )
{
for( WarpConstIter itr = warps.begin(); itr != warps.end(); ++itr )
( *itr )->setSize( w, h );
}
void Copy_Warps (WarpList& rNew, const WarpList& old)
{
rNew.reserve(old.size());
for (WarpList::const_iterator i = old.begin(); i != old.end(); i ++)
rNew.push_back((*i)->Clone());
}
void Destroy_Warps (WarpList& warps)
{
for (WarpList::iterator iWarp = warps.begin(); iWarp != warps.end(); iWarp ++)
delete *iWarp;
warps.clear();
}
