public ModifyObject(EditroidUndoRedoQueue q, Screen screen, ObjectInstance obj, int newValue, ObjectModification change)
: base(q, screen, obj)
{
this.change = change;
this.newValue = newValue;
oldValue = GetValue();
}
public ModifyObject(EditroidUndoRedoQueue q, Screen screen, ObjectInstance obj, Point newLocation)
: base(q, screen, obj)
{
this.change = ObjectModification.Location;
// The ROM packs object locations into a single byte.
this.newValue = 0xFF & ((newLocation.X & 0x0F) | (newLocation.Y << 4));
oldValue = GetValue();
}
public static IObservable <(IObjectSpace objectSpace, object[] objects)> WhenModifiedObjects(this IObjectSpace objectSpace,
ObjectModification objectModification = ObjectModification.All, params Type[] objectTypes) =>
public static IEnumerable <T> ModifiedObjects <T>(this IObjectSpace objectSpace, ObjectModification objectModification)
{
return(objectSpace.ModifiedObjects.Cast <object>().Select(o => o).OfType <T>().Where(_ => {
if (objectModification == ObjectModification.Deleted)
{
return objectSpace.IsDeletedObject(_);
}
if (objectModification == ObjectModification.New)
{
return objectSpace.IsNewObject(_);
}
if (objectModification == ObjectModification.Updated)
{
return objectSpace.IsUpdated(_);
}
if (objectModification == ObjectModification.NewOrDeleted)
{
return objectSpace.IsNewObject(_) || objectSpace.IsDeletedObject(_);
}
if (objectModification == ObjectModification.NewOrUpdated)
{
return objectSpace.IsNewObject(_) || objectSpace.IsUpdated(_);
}
if (objectModification == ObjectModification.DeletedOrUpdated)
{
return objectSpace.IsUpdated(_) || objectSpace.IsDeletedObject(_);
}
return true;
}));
}
public static IObservable <T> WhenModifiedObjects <T>(this IObjectSpace objectSpace, bool emitAfterCommit = false, ObjectModification objectModification = ObjectModification.All)
{
return(objectSpace.WhenCommiting().SelectMany(_ => {
var modifiedObjects = objectSpace.ModifiedObjects <T>(objectModification).ToArray();
return emitAfterCommit ? objectSpace.WhenCommited().FirstAsync().SelectMany(pattern => modifiedObjects) : modifiedObjects.ToObservable();
}));
}
public static IObservable <(IObjectSpace objectSpace, object[] objects)> WhenModifiedObjects(this IObjectSpace objectSpace,
bool emitAfterCommit, ObjectModification objectModification = ObjectModification.All, params Type[] objectTypes)
=> objectSpace.WhenCommiting(objectModification, emitAfterCommit, objectTypes);
public static IObservable <(IObjectSpace objectSpace, object[] objects)> WhenModifiedObjects <T>(this IObjectSpace objectSpace, bool emitAfterCommit = false, ObjectModification objectModification = ObjectModification.All)
{
return(objectSpace.WhenModifiedObjects(objectModification, emitAfterCommit, typeof(T)));
public static IObservable <(IObjectSpace objectSpace, object[] objects)> WhenModifiedObjects(this IObjectSpace objectSpace, ObjectModification objectModification,
bool emitAfterCommit, params Type[] objectTypes)
{
if (!objectTypes.Any())
{
objectTypes = objectTypes.Add(typeof(object));
}
return(objectSpace.WhenCommiting().SelectMany(_ => {
var modifiedObjects = objectSpace.ModifiedObjects(objectModification).Where(o => objectTypes.Any(type => type.IsInstanceOfType(o))).ToArray();
if (modifiedObjects.Any())
{
return emitAfterCommit ? objectSpace.WhenCommited().FirstAsync().Select(pattern => (pattern.objectSpace, modifiedObjects))
: (objectSpace, modifiedObjects).ReturnObservable();
}
return Observable.Empty <(IObjectSpace objectSpace, object[] objects)>();
}));
}
public static IObservable <(IObjectSpace objectSpace, object[] objects)> WhenModifiedObjects(this IObjectSpace objectSpace,
ObjectModification objectModification = ObjectModification.All, params Type[] objectTypes)
{
return(objectSpace.WhenModifiedObjects(objectModification, false, objectTypes));
}
public ModifyObject(EditroidUndoRedoQueue q, Screen screen, ObjectInstance obj, bool newValue, ObjectModification change)
: this(q, screen, obj, newValue ? -1 : 0, change)
{
}
