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add collection of selection points.

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This commit is contained in:
Wleter
2023-01-18 21:34:23 +01:00
parent c9375c056e
commit ab78dd0436
4 changed files with 28 additions and 31 deletions
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41
osu.Game/Screens/Edit/Compose/Components/BlueprintContainer.cs
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@ -439,8 +439,7 @@ namespace osu.Game.Screens.Edit.Compose.Components
#region Selection Movement
private Vector2[] movementBlueprintOriginalPositions;
private Vector2[] movementBlueprintOriginalEndPositions;
private Vector2[][] movementBlueprintsOriginalPositions;
private SelectionBlueprint<T>[] movementBlueprints;
private bool isDraggingBlueprint;
@ -460,9 +459,7 @@ namespace osu.Game.Screens.Edit.Compose.Components
// Movement is tracked from the blueprint of the earliest item, since it only makes sense to distance snap from that item
movementBlueprints = SortForMovement(SelectionHandler.SelectedBlueprints).ToArray();
movementBlueprintOriginalPositions = movementBlueprints.Select(m => m.ScreenSpaceSelectionPoint).ToArray();
movementBlueprintOriginalEndPositions = movementBlueprints.Where(m => m.ScreenSpaceSelectionPoint != m.ScreenSpaceEndPoint)
.Select(m => m.ScreenSpaceEndPoint).ToArray();
movementBlueprintsOriginalPositions = movementBlueprints.Select(m => m.ScreenSpaceSelectionPoints).ToArray();
return true;
}
@ -484,30 +481,24 @@ namespace osu.Game.Screens.Edit.Compose.Components
if (movementBlueprints == null)
return false;
Debug.Assert(movementBlueprintOriginalPositions != null);
Debug.Assert(movementBlueprintsOriginalPositions != null);
Vector2 distanceTravelled = e.ScreenSpaceMousePosition - e.ScreenSpaceMouseDownPosition;
if (snapProvider != null)
{
var currentSelectionPointPositions = movementBlueprints.Select(m => m.ScreenSpaceSelectionPoint).ToArray();
if (checkSnappingForNearbyObjects(distanceTravelled, movementBlueprintOriginalPositions, currentSelectionPointPositions))
return true;
var currentEndPointPositions = movementBlueprints.Where(m => m.ScreenSpaceSelectionPoint != m.ScreenSpaceEndPoint)
.Select(m => m.ScreenSpaceEndPoint)
.ToArray();
if (checkSnappingForNearbyObjects(distanceTravelled, movementBlueprintOriginalEndPositions, currentEndPointPositions))
return true;
for (int i = 0; i < movementBlueprints.Length; i++)
{
if (checkSnappingBlueprintToNearbyObjects(movementBlueprints[i], distanceTravelled, movementBlueprintsOriginalPositions[i]))
return true;
}
}
// if no positional snapping could be performed, try unrestricted snapping from the earliest
// item in the selection.
// The final movement position, relative to movementBlueprintOriginalPosition.
Vector2 movePosition = movementBlueprintOriginalPositions.First() + distanceTravelled;
Vector2 movePosition = movementBlueprintsOriginalPositions.First().First() + distanceTravelled;
// Retrieve a snapped position.
var result = snapProvider?.FindSnappedPositionAndTime(movePosition, ~SnapType.NearbyObjects);
@ -521,14 +512,16 @@ namespace osu.Game.Screens.Edit.Compose.Components
}
/// <summary>
/// Check for positional snap for every given positions.
/// Check for positional snap for given blueprint.
/// </summary>
/// <param name="blueprint">The blueprint to check for snapping</param>
/// <param name="distanceTravelled">Distance traveled since start of dragging action. </param>
/// <param name="originalPositions">The position of objects before start of dragging action. </param>
/// <param name="currentPositions">The positions of object at the current time.</param>
/// <param name="originalPositions">The selection positions of blueprint before start of dragging action. </param>
/// <returns>Whether found object to snap to.</returns>
private bool checkSnappingForNearbyObjects(Vector2 distanceTravelled, Vector2[] originalPositions, Vector2[] currentPositions)
private bool checkSnappingBlueprintToNearbyObjects(SelectionBlueprint<T> blueprint, Vector2 distanceTravelled, Vector2[] originalPositions)
{
var currentPositions = blueprint.ScreenSpaceSelectionPoints;
for (int i = 0; i < originalPositions.Length; i++)
{
Vector2 originalPosition = originalPositions[i];
@ -541,7 +534,7 @@ namespace osu.Game.Screens.Edit.Compose.Components
var delta = positionalResult.ScreenSpacePosition - currentPositions[i];
// attempt to move the objects, and abort any time based snapping if we can.
if (SelectionHandler.HandleMovement(new MoveSelectionEvent<T>(movementBlueprints[i], delta)))
if (SelectionHandler.HandleMovement(new MoveSelectionEvent<T>(blueprint, delta)))
return true;
}
@ -560,7 +553,7 @@ namespace osu.Game.Screens.Edit.Compose.Components
if (movementBlueprints == null)
return false;
movementBlueprintOriginalPositions = null;
movementBlueprintsOriginalPositions = null;
movementBlueprints = null;
return true;