TiJoin[XY]1 API introduction at all call sites

This commit is contained in:
Darryl L. Miles
2025-07-27 12:42:05 -04:00
committed by R. Timothy Edwards
parent 489f4fe057
commit fd50bc1f4d
5 changed files with 123 additions and 99 deletions
+82 -62
View File
@@ -271,6 +271,7 @@ DBPaintPlane0(plane, area, resultTbl, undo, method)
* search.
*/
Tile *delayed = NULL; /* delayed free to extend lifetime */
start.p_x = area->r_xbot;
start.p_y = area->r_ytop - 1;
tile = PlaneGetHint(plane);
@@ -439,11 +440,11 @@ enumerate:
/* Merge the outside tile to its top */
tp = RT(newtile);
if (CANMERGE_Y(newtile, tp)) TiJoinY(newtile, tp, plane);
if (CANMERGE_Y(newtile, tp)) TiJoinY1(&delayed, newtile, tp, plane);
/* Merge the outside tile to its bottom */
tp = LB(newtile);
if (CANMERGE_Y(newtile, tp)) TiJoinY(newtile, tp, plane);
if (CANMERGE_Y(newtile, tp)) TiJoinY1(&delayed, newtile, tp, plane);
}
mergeFlags &= ~MRG_RIGHT;
}
@@ -483,11 +484,11 @@ enumerate:
/* Merge the outside tile to its top */
tp = RT(newtile);
if (CANMERGE_Y(newtile, tp)) TiJoinY(newtile, tp, plane);
if (CANMERGE_Y(newtile, tp)) TiJoinY1(&delayed, newtile, tp, plane);
/* Merge the outside tile to its bottom */
tp = LB(newtile);
if (CANMERGE_Y(newtile, tp)) TiJoinY(newtile, tp, plane);
if (CANMERGE_Y(newtile, tp)) TiJoinY1(&delayed, newtile, tp, plane);
}
mergeFlags &= ~MRG_LEFT;
}
@@ -579,7 +580,7 @@ clipdone:
if (mergeFlags & MRG_TOP)
{
tp = RT(tile);
if (CANMERGE_Y(tile, tp)) TiJoinY(tile, tp, plane);
if (CANMERGE_Y(tile, tp)) TiJoinY1(&delayed, tile, tp, plane);
#ifdef PAINTDEBUG
if (dbPaintDebug)
dbPaintShowTile(tile, undo, "merged up (CHEAP)");
@@ -588,7 +589,7 @@ clipdone:
if (mergeFlags & MRG_BOTTOM)
{
tp = LB(tile);
if (CANMERGE_Y(tile, tp)) TiJoinY(tile, tp, plane);
if (CANMERGE_Y(tile, tp)) TiJoinY1(&delayed, tile, tp, plane);
#ifdef PAINTDEBUG
if (dbPaintDebug)
dbPaintShowTile(tile, undo, "merged down (CHEAP)");
@@ -697,6 +698,7 @@ enum2:
done2:
PlaneSetHint(plane, tile);
TiFreeIf(delayed);
return 0;
}
@@ -1032,6 +1034,7 @@ DBMergeNMTiles0(plane, area, undo, mergeOnce)
int clipTop;
Tile *tile, *tp, *tp2, *newtile, *tpnew;
int aspecta, aspectb;
Tile *delayed = NULL; /* delayed free to extend lifetime */
TileType ttype, ltype, rtype;
start.p_x = area->r_xbot;
@@ -1121,23 +1124,23 @@ nmenum:
newtile = TiSplitY(tp2, TOP(tile));
TiSetBody(newtile, ltype);
if (CANMERGE_X(newtile, BL(newtile)))
TiJoinX(newtile, BL(newtile), plane);
TiJoinX1(&delayed, newtile, BL(newtile), plane);
if (CANMERGE_X(newtile, TR(newtile)))
TiJoinX(newtile, TR(newtile), plane);
TiJoinX1(&delayed, newtile, TR(newtile), plane);
if (CANMERGE_Y(newtile, RT(newtile)))
TiJoinY(newtile, RT(newtile), plane);
TiJoinY1(&delayed, newtile, RT(newtile), plane);
}
if (LEFT(tp2) < LEFT(tp))
{
newtile = TiSplitX(tp2, LEFT(tp));
TiSetBody(newtile, ltype);
if (CANMERGE_Y(tp2, LB(tp2)))
TiJoinY(tp2, LB(tp2), plane);
TiJoinY1(&delayed, tp2, LB(tp2), plane);
if (CANMERGE_Y(tp2, RT(tp2)))
TiJoinY(tp2, RT(tp2), plane);
TiJoinY1(&delayed, tp2, RT(tp2), plane);
tp2 = newtile;
}
TiJoinY(tp2, tp, plane);
TiJoinY1(&delayed, tp2, tp, plane);
tp = tp2;
tp2 = RT(tp2);
}
@@ -1151,11 +1154,11 @@ nmenum:
newtile = TiSplitY(tp2, BOTTOM(tp));
TiSetBody(newtile, rtype);
if (CANMERGE_X(tp2, BL(tp2)))
TiJoinX(tp2, BL(tp2), plane);
TiJoinX1(&delayed, tp2, BL(tp2), plane);
if (CANMERGE_X(tp2, TR(tp2)))
TiJoinX(tp2, TR(tp2), plane);
TiJoinX1(&delayed, tp2, TR(tp2), plane);
if (CANMERGE_Y(tp2, LB(tp2)))
TiJoinY(tp2, LB(tp2), plane);
TiJoinY1(&delayed, tp2, LB(tp2), plane);
tp2 = newtile;
}
if (RIGHT(tp2) > RIGHT(tile))
@@ -1163,16 +1166,16 @@ nmenum:
newtile = TiSplitX(tp2, RIGHT(tile));
TiSetBody(newtile, rtype);
if (CANMERGE_Y(newtile, LB(newtile)))
TiJoinY(newtile, LB(newtile), plane);
TiJoinY1(&delayed, newtile, LB(newtile), plane);
if (CANMERGE_Y(newtile, RT(newtile)))
TiJoinY(newtile, RT(newtile), plane);
TiJoinY1(&delayed, newtile, RT(newtile), plane);
}
TiJoinY(tp2, tile, plane);
TiJoinY1(&delayed, tp2, tile, plane);
tile = tp2;
tp2 = LB(tp2);
}
/* Merge tp and tile */
TiJoinX(tile, tp, plane);
TiJoinX1(&delayed, tile, tp, plane);
TiSetBody(tile, ttype);
}
else /* split direction 1 */
@@ -1213,11 +1216,11 @@ nmenum:
newtile = TiSplitY(tp2, BOTTOM(tp));
TiSetBody(newtile, ltype);
if (CANMERGE_X(tp2, BL(tp2)))
TiJoinX(tp2, BL(tp2), plane);
TiJoinX1(&delayed, tp2, BL(tp2), plane);
if (CANMERGE_X(tp2, TR(tp2)))
TiJoinX(tp2, TR(tp2), plane);
TiJoinX1(&delayed, tp2, TR(tp2), plane);
if (CANMERGE_Y(tp2, LB(tp2)))
TiJoinY(tp2, LB(tp2), plane);
TiJoinY1(&delayed, tp2, LB(tp2), plane);
tp2 = newtile;
}
if (LEFT(tp2) < LEFT(tile))
@@ -1225,12 +1228,12 @@ nmenum:
newtile = TiSplitX(tp2, LEFT(tile));
TiSetBody(newtile, ltype);
if (CANMERGE_Y(tp2, LB(tp2)))
TiJoinY(tp2, LB(tp2), plane);
TiJoinY1(&delayed, tp2, LB(tp2), plane);
if (CANMERGE_Y(tp2, RT(tp2)))
TiJoinY(tp2, RT(tp2), plane);
TiJoinY1(&delayed, tp2, RT(tp2), plane);
tp2 = newtile;
}
TiJoinY(tp2, tile, plane);
TiJoinY1(&delayed, tp2, tile, plane);
tile = tp2;
tp2 = LB(tp2);
}
@@ -1245,27 +1248,27 @@ nmenum:
newtile = TiSplitY(tp2, TOP(tile));
TiSetBody(newtile, rtype);
if (CANMERGE_X(newtile, BL(newtile)))
TiJoinX(newtile, BL(newtile), plane);
TiJoinX1(&delayed, newtile, BL(newtile), plane);
if (CANMERGE_X(newtile, TR(newtile)))
TiJoinX(newtile, TR(newtile), plane);
TiJoinX1(&delayed, newtile, TR(newtile), plane);
if (CANMERGE_Y(newtile, RT(newtile)))
TiJoinY(newtile, RT(newtile), plane);
TiJoinY1(&delayed, newtile, RT(newtile), plane);
}
if (RIGHT(tp2) > RIGHT(tp))
{
newtile = TiSplitX(tp2, RIGHT(tp));
TiSetBody(newtile, rtype);
if (CANMERGE_Y(newtile, LB(newtile)))
TiJoinY(newtile, LB(newtile), plane);
TiJoinY1(&delayed, newtile, LB(newtile), plane);
if (CANMERGE_Y(newtile, RT(newtile)))
TiJoinY(newtile, RT(newtile), plane);
TiJoinY1(&delayed, newtile, RT(newtile), plane);
}
TiJoinY(tp2, tp, plane);
TiJoinY1(&delayed, tp2, tp, plane);
tp = tp2;
tp2 = RT(tp2);
}
/* Merge tp and tile */
TiJoinX(tile, tp, plane);
TiJoinX1(&delayed, tile, tp, plane);
TiSetBody(tile, ttype);
}
/* Now repeat until no more merging is possible */
@@ -1307,6 +1310,7 @@ nmenum:
nmdone:
PlaneSetHint(plane, tile);
TiFreeIf(delayed);
return 0;
}
@@ -1885,6 +1889,7 @@ dbPaintMerge(tile, newType, area, plane, mergeFlags, undo, mark)
PaintUndoInfo *undo; /* See DBPaintPlane() above */
bool mark; /* Mark tiles that were processed */
{
Tile *delayed = NULL; /* delayed free to extend lifetime */
Tile *tp, *tpLast;
int ysplit;
@@ -1991,7 +1996,7 @@ dbPaintMerge(tile, newType, area, plane, mergeFlags, undo, mark)
if (mark) dbMarkClient(tile, area);
}
if (BOTTOM(tp) < BOTTOM(tile)) tp = TiSplitY(tp, BOTTOM(tile));
TiJoinX(tile, tp, plane);
TiJoinX1(&delayed, tile, tp, plane);
#ifdef PAINTDEBUG
if (dbPaintDebug)
dbPaintShowTile(tile, undo, "(DBMERGE) merged left");
@@ -2007,7 +2012,7 @@ dbPaintMerge(tile, newType, area, plane, mergeFlags, undo, mark)
if (mark) dbMarkClient(tile, area);
}
if (BOTTOM(tp) < BOTTOM(tile)) tp = TiSplitY(tp, BOTTOM(tile));
TiJoinX(tile, tp, plane);
TiJoinX1(&delayed, tile, tp, plane);
#ifdef PAINTDEBUG
if (dbPaintDebug)
dbPaintShowTile(tile, undo, "(DBMERGE) merged right");
@@ -2016,7 +2021,7 @@ dbPaintMerge(tile, newType, area, plane, mergeFlags, undo, mark)
if (mergeFlags&MRG_TOP)
{
tp = RT(tile);
if (CANMERGE_Y(tp, tile)) TiJoinY(tile, tp, plane);
if (CANMERGE_Y(tp, tile)) TiJoinY1(&delayed, tile, tp, plane);
#ifdef PAINTDEBUG
if (dbPaintDebug)
dbPaintShowTile(tile, undo, "(DBMERGE) merged up");
@@ -2025,13 +2030,14 @@ dbPaintMerge(tile, newType, area, plane, mergeFlags, undo, mark)
if (mergeFlags&MRG_BOTTOM)
{
tp = LB(tile);
if (CANMERGE_Y(tp, tile)) TiJoinY(tile, tp, plane);
if (CANMERGE_Y(tp, tile)) TiJoinY1(&delayed, tile, tp, plane);
#ifdef PAINTDEBUG
if (dbPaintDebug)
dbPaintShowTile(tile, undo, "(DBMERGE) merged down");
#endif /* PAINTDEBUG */
}
TiFreeIf(delayed);
return (tile);
}
@@ -2094,6 +2100,7 @@ DBPaintType(plane, area, resultTbl, client, undo, tileMask)
* search.
*/
Tile *delayed = NULL; /* delayed free to extend lifetime */
start.p_x = area->r_xbot;
start.p_y = area->r_ytop - 1;
tile = PlaneGetHint(plane);
@@ -2186,14 +2193,14 @@ enumerate:
if (CANMERGE_Y(newtile, tp) &&
( (TiGetClient(tp) == TiGetClient(newtile)) ||
( ! TTMaskHasType(tileMask, TiGetTypeExact(tp)) ) ) )
TiJoinY(newtile, tp, plane);
TiJoinY1(&delayed, newtile, tp, plane);
/* Merge the outside tile to its bottom */
tp = LB(newtile);
if (CANMERGE_Y(newtile, tp) &&
( (TiGetClient(tp) == TiGetClient(newtile)) ||
( ! TTMaskHasType(tileMask, TiGetTypeExact(tp)) ) ) )
TiJoinY(newtile, tp, plane);
TiJoinY1(&delayed, newtile, tp, plane);
}
/* Clip left */
@@ -2210,14 +2217,14 @@ enumerate:
if (CANMERGE_Y(newtile, tp) &&
( (TiGetClient(tp) == TiGetClient(newtile)) ||
( ! TTMaskHasType(tileMask, TiGetTypeExact(tp)) ) ) )
TiJoinY(newtile, tp, plane);
TiJoinY1(&delayed, newtile, tp, plane);
/* Merge the outside tile to its bottom */
tp = LB(newtile);
if (CANMERGE_Y(newtile, tp) &&
( (TiGetClient(tp) == TiGetClient(newtile)) ||
( ! TTMaskHasType(tileMask, TiGetTypeExact(tp)) ) ) )
TiJoinY(newtile, tp, plane);
TiJoinY1(&delayed, newtile, tp, plane);
}
#ifdef PAINTDEBUG
@@ -2276,7 +2283,7 @@ enumerate:
{
tp = RT(tile);
if (CANMERGE_Y(tile, tp) && (tp->ti_client == client))
TiJoinY(tile, tp, plane);
TiJoinY1(&delayed, tile, tp, plane);
#ifdef PAINTDEBUG
if (dbPaintDebug)
dbPaintShowTile(tile, undo, "merged up (CHEAP)");
@@ -2286,7 +2293,7 @@ enumerate:
{
tp = LB(tile);
if (CANMERGE_Y(tile, tp) && (tp->ti_client == client))
TiJoinY(tile, tp, plane);
TiJoinY1(&delayed, tile, tp, plane);
#ifdef PAINTDEBUG
if (dbPaintDebug)
dbPaintShowTile(tile, undo, "merged down (CHEAP)");
@@ -2334,6 +2341,7 @@ paintdone:
done:
PlaneSetHint(plane, tile);
TiFreeIf(delayed);
}
/*
@@ -2380,6 +2388,7 @@ dbMergeType(tile, newType, plane, mergeFlags, undo, client)
PaintUndoInfo *undo; /* See DBPaintPlane() above */
ClientData client;
{
Tile *delayed = NULL; /* delayed free to extend lifetime */
Tile *tp, *tpLast;
int ysplit;
@@ -2481,7 +2490,7 @@ dbMergeType(tile, newType, plane, mergeFlags, undo, client)
TiSetClient(tpLast, client);
}
if (BOTTOM(tp) < BOTTOM(tile)) tp = TiSplitY(tp, BOTTOM(tile));
TiJoinX(tile, tp, plane);
TiJoinX1(&delayed, tile, tp, plane);
#ifdef PAINTDEBUG
if (dbPaintDebug)
dbPaintShowTile(tile, undo, "(DBMERGE) merged left");
@@ -2497,7 +2506,7 @@ dbMergeType(tile, newType, plane, mergeFlags, undo, client)
TiSetClient(tpLast, client);
}
if (BOTTOM(tp) < BOTTOM(tile)) tp = TiSplitY(tp, BOTTOM(tile));
TiJoinX(tile, tp, plane);
TiJoinX1(&delayed, tile, tp, plane);
#ifdef PAINTDEBUG
if (dbPaintDebug)
dbPaintShowTile(tile, undo, "(DBMERGE) merged right");
@@ -2506,7 +2515,7 @@ dbMergeType(tile, newType, plane, mergeFlags, undo, client)
if (mergeFlags&MRG_TOP)
{
tp = RT(tile);
if (CANMERGE_Y(tp, tile) && (tp->ti_client == client)) TiJoinY(tile, tp, plane);
if (CANMERGE_Y(tp, tile) && (tp->ti_client == client)) TiJoinY1(&delayed, tile, tp, plane);
#ifdef PAINTDEBUG
if (dbPaintDebug)
dbPaintShowTile(tile, undo, "(DBMERGE) merged up");
@@ -2515,13 +2524,14 @@ dbMergeType(tile, newType, plane, mergeFlags, undo, client)
if (mergeFlags&MRG_BOTTOM)
{
tp = LB(tile);
if (CANMERGE_Y(tp, tile) && (tp->ti_client == client)) TiJoinY(tile, tp, plane);
if (CANMERGE_Y(tp, tile) && (tp->ti_client == client)) TiJoinY1(&delayed, tile, tp, plane);
#ifdef PAINTDEBUG
if (dbPaintDebug)
dbPaintShowTile(tile, undo, "(DBMERGE) merged down");
#endif /* PAINTDEBUG */
}
TiFreeIf(delayed);
return (tile);
}
@@ -2581,6 +2591,7 @@ DBPaintPlaneVert(plane, area, resultTbl, undo)
* search.
*/
Tile *delayed = NULL; /* delayed free to extend lifetime */
start.p_x = area->r_xbot;
start.p_y = area->r_ytop - 1;
tile = PlaneGetHint(plane);
@@ -2662,11 +2673,11 @@ enumerate:
/* Merge the outside tile to its left */
tp = BL(newtile);
if (CANMERGE_X(newtile, tp)) TiJoinX(newtile, tp, plane);
if (CANMERGE_X(newtile, tp)) TiJoinX1(&delayed, newtile, tp, plane);
/* Merge the outside tile to its right */
tp = TR(newtile);
if (CANMERGE_X(newtile, tp)) TiJoinX(newtile, tp, plane);
if (CANMERGE_X(newtile, tp)) TiJoinX1(&delayed, newtile, tp, plane);
}
/* Clip down */
@@ -2678,11 +2689,11 @@ enumerate:
/* Merge the outside tile to its left */
tp = BL(newtile);
if (CANMERGE_X(newtile, tp)) TiJoinX(newtile, tp, plane);
if (CANMERGE_X(newtile, tp)) TiJoinX1(&delayed, newtile, tp, plane);
/* Merge the outside tile to its right */
tp = TR(newtile);
if (CANMERGE_X(newtile, tp)) TiJoinX(newtile, tp, plane);
if (CANMERGE_X(newtile, tp)) TiJoinX1(&delayed, newtile, tp, plane);
}
#ifdef PAINTDEBUG
@@ -2740,7 +2751,7 @@ enumerate:
if (mergeFlags & MRG_LEFT)
{
tp = BL(tile);
if (CANMERGE_X(tile, tp)) TiJoinX(tile, tp, plane);
if (CANMERGE_X(tile, tp)) TiJoinX1(&delayed, tile, tp, plane);
#ifdef PAINTDEBUG
if (dbPaintDebug)
dbPaintShowTile(tile, undo, "merged left (CHEAP)");
@@ -2749,7 +2760,7 @@ enumerate:
if (mergeFlags & MRG_RIGHT)
{
tp = TR(tile);
if (CANMERGE_X(tile, tp)) TiJoinX(tile, tp, plane);
if (CANMERGE_X(tile, tp)) TiJoinX1(&delayed, tile, tp, plane);
#ifdef PAINTDEBUG
if (dbPaintDebug)
dbPaintShowTile(tile, undo, "merged right (CHEAP)");
@@ -2797,6 +2808,7 @@ paintdone:
done:
PlaneSetHint(plane, tile);
TiFreeIf(delayed);
return 0;
}
@@ -2849,6 +2861,7 @@ dbPaintMergeVert(tile, newType, plane, mergeFlags, undo)
int mergeFlags; /* Specify which directions to merge */
PaintUndoInfo *undo; /* See DBPaintPlane() above */
{
Tile *delayed = NULL; /* delayed free to extend lifetime */
Tile *tp, *tpLast;
int xsplit;
@@ -2943,7 +2956,7 @@ dbPaintMergeVert(tile, newType, plane, mergeFlags, undo)
if (LEFT(tp) < LEFT(tile)) tp = TiSplitX(tp, LEFT(tile));
if (RIGHT(tp) > RIGHT(tile))
tpLast = TiSplitX(tp, RIGHT(tile)), TiSetBody(tpLast, newType);
TiJoinY(tile, tp, plane);
TiJoinY1(&delayed, tile, tp, plane);
#ifdef PAINTDEBUG
if (dbPaintDebug)
dbPaintShowTile(tile, undo, "(DBMERGE) merged up");
@@ -2956,7 +2969,7 @@ dbPaintMergeVert(tile, newType, plane, mergeFlags, undo)
if (LEFT(tp) < LEFT(tile)) tp = TiSplitX(tp, LEFT(tile));
if (RIGHT(tp) > RIGHT(tile))
tpLast = TiSplitX(tp, RIGHT(tile)), TiSetBody(tpLast, newType);
TiJoinY(tile, tp, plane);
TiJoinY1(&delayed, tile, tp, plane);
#ifdef PAINTDEBUG
if (dbPaintDebug)
dbPaintShowTile(tile, undo, "(DBMERGE) merged down");
@@ -2966,7 +2979,7 @@ dbPaintMergeVert(tile, newType, plane, mergeFlags, undo)
if (mergeFlags&MRG_LEFT)
{
tp = BL(tile);
if (CANMERGE_X(tp, tile)) TiJoinX(tile, tp, plane);
if (CANMERGE_X(tp, tile)) TiJoinX1(&delayed, tile, tp, plane);
#ifdef PAINTDEBUG
if (dbPaintDebug)
dbPaintShowTile(tile, undo, "(DBMERGE) merged left");
@@ -2975,13 +2988,14 @@ dbPaintMergeVert(tile, newType, plane, mergeFlags, undo)
if (mergeFlags&MRG_RIGHT)
{
tp = TR(tile);
if (CANMERGE_X(tp, tile)) TiJoinX(tile, tp, plane);
if (CANMERGE_X(tp, tile)) TiJoinX1(&delayed, tile, tp, plane);
#ifdef PAINTDEBUG
if (dbPaintDebug)
dbPaintShowTile(tile, undo, "(DBMERGE) merged right");
#endif /* PAINTDEBUG */
}
TiFreeIf(delayed);
return (tile);
}
@@ -3316,6 +3330,7 @@ TiNMMergeRight(tile, plane)
Tile *tile;
Plane *plane;
{
Tile *delayed = NULL; /* delayed free to extend lifetime */
TileType ttype = TiGetTypeExact(tile);
Tile *tp, *tp2, *newtile;
@@ -3347,7 +3362,7 @@ TiNMMergeRight(tile, plane)
else
newtile = tile;
// Join tp to newtile
TiJoinX(newtile, tp, plane);
TiJoinX1(&delayed, newtile, tp, plane);
}
tp = tp2;
}
@@ -3364,11 +3379,13 @@ TiNMMergeRight(tile, plane)
newtile = TiSplitY(tp, BOTTOM(tile));
TiSetBody(newtile, ttype);
// join newtile to tile
TiJoinX(tile, newtile, plane);
TiJoinX1(&delayed, tile, newtile, plane);
// merge up if possible
if (CANMERGE_Y(tile, RT(tile))) TiJoinY(tile, RT(tile), plane);
if (CANMERGE_Y(tile, RT(tile))) TiJoinY1(&delayed, tile, RT(tile), plane);
}
}
TiFreeIf(delayed);
return tile;
}
@@ -3396,6 +3413,7 @@ TiNMMergeLeft(tile, plane)
Tile *tile;
Plane *plane;
{
Tile *delayed = NULL; /* delayed free to extend lifetime */
TileType ttype = TiGetTypeExact(tile);
Tile *tp, *tp2, *newtile;
@@ -3428,7 +3446,7 @@ TiNMMergeLeft(tile, plane)
else
newtile = tile;
// Join tp to tile
TiJoinX(tile, tp, plane);
TiJoinX1(&delayed, tile, tp, plane);
tile = newtile;
}
tp = tp2;
@@ -3446,14 +3464,16 @@ TiNMMergeLeft(tile, plane)
newtile = TiSplitY(tp, TOP(tile));
TiSetBody(newtile, ttype);
// join tp to tile
TiJoinX(tile, tp, plane);
TiJoinX1(&delayed, tile, tp, plane);
}
}
else
{
// Merge up if possible
if (CANMERGE_Y(tile, tp)) TiJoinY(tile, tp, plane);
if (CANMERGE_Y(tile, tp)) TiJoinY1(&delayed, tile, tp, plane);
}
TiFreeIf(delayed);
return tile;
}