Fix clipboard flip scrambling sprites (struct regression)

BinaryConstruct · BinaryConstruct · commit 87ea541d9a1c · 2026-03-20T10:35:45.000-05:00
- Write modified sprite tiles back to flippedBuffer after mutation
- Tile struct conversion made read-modify sequences lose changes
diff --git a/src/TEdit.Editor/Clipboard/ClipboardBuffer.cs b/src/TEdit.Editor/Clipboard/ClipboardBuffer.cs
@@ -553,6 +553,7 @@ public static ClipboardBuffer Flip(ClipboardBuffer buffer, bool flipX, bool rota
                             curTile.Type = sprite.Tile;
                             curTile.U = tiles[x, y].X;
                             curTile.V = tiles[x, y].Y;
+                            flippedBuffer.Tiles[tilex, tiley] = curTile;
                         }
                         catch (Exception)
                         {
@@ -583,6 +584,7 @@ public static ClipboardBuffer Flip(ClipboardBuffer buffer, bool flipX, bool rota
                             targetTile.Type = sourceTile.Type;
                             targetTile.U = sourceTile.U;
                             targetTile.V = sourceTile.V;
+                            flippedBuffer.Tiles[targetX, targetY] = targetTile;
 
                             /*
                             if (targetTile.Type == (uint)TileType.JunctionBox)

Original file line number	Diff line number	Diff line change
`@@ -553,6 +553,7 @@ public static ClipboardBuffer Flip(ClipboardBuffer buffer, bool flipX, bool rota`
`553`	`553`	`curTile.Type = sprite.Tile;`
`554`	`554`	`curTile.U = tiles[x, y].X;`
`555`	`555`	`curTile.V = tiles[x, y].Y;`
	`556`	`+ flippedBuffer.Tiles[tilex, tiley] = curTile;`
`556`	`557`	`}`
`557`	`558`	`catch (Exception)`
`558`	`559`	`{`
`@@ -583,6 +584,7 @@ public static ClipboardBuffer Flip(ClipboardBuffer buffer, bool flipX, bool rota`
`583`	`584`	`targetTile.Type = sourceTile.Type;`
`584`	`585`	`targetTile.U = sourceTile.U;`
`585`	`586`	`targetTile.V = sourceTile.V;`
	`587`	`+ flippedBuffer.Tiles[targetX, targetY] = targetTile;`
`586`	`588`
`587`	`589`	`/*`
`588`	`590`	`if (targetTile.Type == (uint)TileType.JunctionBox)`