/// <summary>
/// Adds a cross-scene reference.
/// </summary>
/// <param name="reference"></param>
public void AddReference( RuntimeCrossSceneReference reference )
{
int index = _crossSceneReferences.FindIndex( reference.IsSameSource );
if ( index >= 0 )
{
_crossSceneReferences[index] = reference;
}
else
{
_crossSceneReferences.Add( reference );
}
}
/// <summary>
/// Adds a cross-scene reference.
/// </summary>
/// <param name="reference"></param>
public void AddReference(RuntimeCrossSceneReference reference)
{
int index = _crossSceneReferences.FindIndex(reference.IsSameSource);
if (index >= 0)
{
_crossSceneReferences[index] = reference;
}
else
{
_crossSceneReferences.Add(reference);
}
}
public bool IsSameSource( RuntimeCrossSceneReference other )
{
try
{
return (this.fromObject == other.fromObject) && (this._sourceField == other._sourceField);
}
catch ( System.Exception ex )
{
AmsDebug.Log( null, "IsSameSource: Could not compare: {0} and {1}: {2}", ToString(), other, ex );
}
return false;
}
/// <summary>
/// Perform a resolve on a cross-scene reference.
/// This functions throws an exception if it fails.
/// </summary>
public static void Resolve( RuntimeCrossSceneReference xRef )
{
var fromObject = xRef.fromObject;
if ( !fromObject )
throw new ResolveException( string.Format( "Cross-Scene Ref: {0}. fromObject is null.", xRef ) );
Object toObject = xRef.toObject;
if ( !toObject )
throw new ResolveException( string.Format( "Cross-Scene Ref: {0}. Could not Resolve toObject {1}", xRef, toObject ) );
// Try all of the resolvers (oldest last)
for ( int i = _resolvers.Count - 1; i >= 0; --i )
{
if ( _resolvers[i]( xRef ) )
break;
}
}
public bool IsSameSource( RuntimeCrossSceneReference other )
{
return other._fromObject.Equals(this._fromObject) &&
other._fromField == this._fromField;
}
/// <summary>
/// Resolve a cross-scene reference piecewise. This does the heavy lifting of figuring out how to parse the path.
/// </summary>
/// <param name="fromObject">The object that is the source of the cross-scene reference</param>
/// <param name="toObject">The object that the cross-scene reference is referring to</param>
/// <param name="fromFieldPath">The path of the field that fromObject uses to point to</param>
/// <param name="debugThis">Debug information about which cross-scene reference this is coming from</param>
private static void ResolveInternal( System.Object fromObject, Object toObject, string fromFieldPath, RuntimeCrossSceneReference debugThis )
{
// Sub-object path is indicated by a dot
string[] splitPaths = fromFieldPath.Split('.');
// Since the property is of the form: field1.field2.arrayName,arrayIndex.final_field or simply final_field, we need to chase
// the property down the rabbit hole starting with the base fromObject and going all the way to final_field.
for (int i = 0 ; i < splitPaths.Length - 1 ; ++i)
{
try
{
fromObject = GetObjectFromField( fromObject, splitPaths[i] );
if ( fromObject == null )
{
throw new ResolveException( string.Format("Cross-Scene Ref: {0}. Could not follow path {1} because {2} was null", debugThis, fromFieldPath, splitPaths[i]) );
}
else if ( !fromObject.GetType().IsClass )
{
throw new ResolveException( string.Format("Cross-Scene Ref: {0}. Could not follow path {1} because {2} was not a class (probably a struct). This is unsupported.", debugThis, fromFieldPath, splitPaths[i]) );
}
}
catch ( System.Exception ex )
{
throw new ResolveException( string.Format("Cross-Scene Ref: {0}. {1}", debugThis, ex.Message) );
}
}
// Finally, get the final field.
FieldInfo field;
int arrayIndex;
string fieldName = splitPaths[ splitPaths.Length-1 ];
if ( !GetFieldFromObject(fromObject, fieldName, out field, out arrayIndex ) )
throw new ResolveException( string.Format("Cross-Scene Ref: {0}. Could not parse piece of path {1} from {2}", debugThis, fieldName, fromFieldPath) );
// Now we can finally assign it!
AssignField( fromObject, toObject, field, arrayIndex );
}
/// <summary>
/// The default resolver will set the source's field to point to the destination
/// </summary>
private static bool DefaultResolve( RuntimeCrossSceneReference xRef )
{
ResolveToField( xRef.fromObject, xRef.toObject, xRef.sourceField, xRef );
return true;
}
public static void EditorOnly_ResolveToField( System.Object fromObject, Object toObject, string fromFieldPath, RuntimeCrossSceneReference debugThis )
{
ResolveToField( fromObject, toObject, fromFieldPath, debugThis );
}
public bool IsSameSource( RuntimeCrossSceneReference other )
{
return other._fromObject.Equals(this._fromObject) &&
other._fromField == this._fromField;
}
/// <summary>
/// Resolve a cross-scene reference piecewise. This does the heavy lifting of figuring out how to parse the path.
/// </summary>
/// <param name="fromObject">The object that is the source of the cross-scene reference</param>
/// <param name="toObject">The object that the cross-scene reference is referring to</param>
/// <param name="fromFieldPath">The path of the field that fromObject uses to point to</param>
/// <param name="debugThis">Debug information about which cross-scene reference this is coming from</param>
private static void ResolveInternal( System.Object fromObject, Object toObject, string fromFieldPath, RuntimeCrossSceneReference debugThis )
{
// Sub-object path is indicated by a dot
string[] splitPaths = fromFieldPath.Split('.');
// Since the property is of the form: field1.field2.arrayName,arrayIndex.final_field or simply final_field, we need to chase
// the property down the rabbit hole starting with the base fromObject and going all the way to final_field.
for (int i = 0 ; i < splitPaths.Length - 1 ; ++i)
{
try
{
fromObject = GetObjectFromField( fromObject, splitPaths[i] );
if ( fromObject == null )
{
throw new ResolveException( string.Format("Cross-Scene Ref: {0}. Could not follow path {1} because {2} was null", debugThis, fromFieldPath, splitPaths[i]) );
}
else if ( !fromObject.GetType().IsClass )
{
throw new ResolveException( string.Format("Cross-Scene Ref: {0}. Could not follow path {1} because {2} was not a class (probably a struct). This is unsupported.", debugThis, fromFieldPath, splitPaths[i]) );
}
}
catch ( System.Exception ex )
{
throw new ResolveException( string.Format("Cross-Scene Ref: {0}. {1}", debugThis, ex.Message) );
}
}
// Finally, get the final field.
FieldInfo field;
int arrayIndex;
string fieldName = splitPaths[ splitPaths.Length-1 ];
if ( !GetFieldFromObject(fromObject, fieldName, out field, out arrayIndex ) )
throw new ResolveException( string.Format("Cross-Scene Ref: {0}. Could not parse piece of path {1} from {2}", debugThis, fieldName, fromFieldPath) );
// Now we can finally assign it!
AssignField( fromObject, toObject, field, arrayIndex );
}
