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After an undo, set the prev_move bits on the move now on top of the

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stack so the tiles will get highlighted.
This commit is contained in:
ehouse 2004-02-29 06:59:37 +00:00
parent be219aaf81
commit ae9edbb08d
1 changed files with 35 additions and 0 deletions
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35
xwords4/common/model.c
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@ -581,6 +581,41 @@ model_undoLatestMoves( ModelCtxt* model, PoolContext* pool,
}
}
/* If there's still a move on top of the stack, highlight its tiles since
they're now the most recent move. */
for ( ; ; ) {
StackEntry entry;
XP_U16 movesLeft = stack_getNEntries( stack );
if ( movesLeft == 0 ||
!stack_getNthEntry( stack, movesLeft - 1, &entry ) ) {
break;
}
if ( entry.moveType == MOVE_TYPE ) {
XP_U16 nTiles = entry.u.move.moveInfo.nTiles;
XP_U16 col, row;
XP_U16* varies;
if ( entry.u.move.moveInfo.isHorizontal ) {
row = entry.u.move.moveInfo.commonCoord;
varies = &col;
} else {
col = entry.u.move.moveInfo.commonCoord;
varies = &row;
}
while ( nTiles-- ) {
CellTile tile;
*varies = entry.u.move.moveInfo.tiles[nTiles].varCoord;
tile = getModelTileRaw( model, col, row );
setModelTileRaw( model, col, row, (CellTile)(tile | PREV_MOVE_BIT) );
notifyBoardListeners( model, entry.playerNum, col, row, XP_FALSE );
}
break;
}
}
if ( nMovesUndone != nMovesSought ) {
success = XP_FALSE;
}