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First cut of pulling the TT_SIDE bit out of the tile database

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and forcing it to be passed as an argument to all the callback
functions for the search routines that require it.  Magic now
compiles and runs with the new code, but there are a number of
known issues that need to be fixed up.  Committing now so that
I can rebase on the last update to the master branch.
This commit is contained in:
R. Timothy Edwards
2026-01-09 12:05:03 -05:00
parent d24d52e403
commit 516c9d7635
106 changed files with 1463 additions and 875 deletions
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plot/plotPS.c
+9 -8
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@@ -513,8 +513,9 @@ plotPSRect(rect, style)
*/
int
plotPSPaint(tile, cxp)
plotPSPaint(tile, dinfo, cxp)
Tile *tile; /* Tile that's of type to be output. */
TileType dinfo; /* Split tile information */
TreeContext *cxp; /* Describes search in progress. */
{
Rect tileArea, edge, rootArea;
@@ -554,7 +555,7 @@ plotPSPaint(tile, cxp)
if (IsSplit(tile))
{
int np, i, j;
TileType dinfo;
TileType newdinfo;
Point polyp[5];
plotPSFlushRect(curStyle->grs_stipple);
@@ -563,12 +564,12 @@ plotPSPaint(tile, cxp)
/* Side and direction are altered by geometric transformations */
dinfo = DBTransformDiagonal(TiGetTypeExact(tile), &scx->scx_trans);
newdinfo = DBTransformDiagonal(TiGetTypeExact(tile) | dinfo, &scx->scx_trans);
/* Use GrClipTriangle() routine to get the n-sided polygon that */
/* results from clipping a triangle to the clip region. */
GrClipTriangle(&rootArea, &bbox, TRUE, dinfo, polyp, &np);
GrClipTriangle(&rootArea, &bbox, TRUE, newdinfo, polyp, &np);
for (i = 0; i < np; i++)
{
polyp[i].p_x -= bbox.r_xbot;
@@ -651,7 +652,7 @@ plotPSPaint(tile, cxp)
* (This code is essentially a duplicate of selRedisplayFunc())
*/
if (IsSplit(tile) && (!(SplitSide(tile) ^ SplitDirection(tile))))
if (IsSplit(tile) && (!((dinfo & TT_SIDE) ? 1 : 0) ^ SplitDirection(tile)))
goto searchleft; /* nothing on bottom of split */
if (tileArea.r_ybot > TiPlaneRect.r_ybot)
@@ -676,7 +677,7 @@ plotPSPaint(tile, cxp)
*/
searchleft:
if (IsSplit(tile) && SplitSide(tile))
if (IsSplit(tile) && (dinfo & TT_SIDE))
goto searchtop; /* Nothing on left side of tile */
if (tileArea.r_xbot > TiPlaneRect.r_xbot)
@@ -699,7 +700,7 @@ searchleft:
/* Same thing for the tile's top border. */
searchtop:
if (IsSplit(tile) && (SplitSide(tile) ^ SplitDirection(tile)))
if (IsSplit(tile) && (((dinfo & TT_SIDE) ? 1 : 0) ^ SplitDirection(tile)))
goto searchright; /* Nothing on top side of tile */
if (tileArea.r_ytop < TiPlaneRect.r_ytop)
@@ -722,7 +723,7 @@ searchtop:
/* Finally, the right border. */
searchright:
if (IsSplit(tile) && !SplitSide(tile))
if (IsSplit(tile) && !(dinfo & TT_SIDE))
return 0; /* Nothing on right side of tile */
if (tileArea.r_xtop < TiPlaneRect.r_xtop)