Fix clipboard flip scrambling sprites (struct regression)

BinaryConstruct · BinaryConstruct · commit 93f8634acb5b · 2026-03-20T10:36:08.000-05:00
- 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
@@ -578,6 +578,7 @@ 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 ex)
                         {
@@ -608,6 +609,7 @@ 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
`@@ -578,6 +578,7 @@ public static ClipboardBuffer Flip(ClipboardBuffer buffer, bool flipX, bool rota`
`578`	`578`	`curTile.Type = sprite.Tile;`
`579`	`579`	`curTile.U = tiles[x, y].X;`
`580`	`580`	`curTile.V = tiles[x, y].Y;`
	`581`	`+ flippedBuffer.Tiles[tilex, tiley] = curTile;`
`581`	`582`	`}`
`582`	`583`	`catch (Exception ex)`
`583`	`584`	`{`
`@@ -608,6 +609,7 @@ public static ClipboardBuffer Flip(ClipboardBuffer buffer, bool flipX, bool rota`
`608`	`609`	`targetTile.Type = sourceTile.Type;`
`609`	`610`	`targetTile.U = sourceTile.U;`
`610`	`611`	`targetTile.V = sourceTile.V;`
	`612`	`+ flippedBuffer.Tiles[targetX, targetY] = targetTile;`
`611`	`613`
`612`	`614`	`/*`
`613`	`615`	`if (targetTile.Type == (uint)TileType.JunctionBox)`