Mapster32: allow setting first walls of TROR sectors independently.

In 3D mode, Alt+F now only attempts to set the first wall of the aimed at
wall, not collecting upper/lower neighbors. For this, press Shift+Alt+F.
In 2D mode, they are always collected.

git-svn-id: https://svn.eduke32.com/eduke32@3825 1a8010ca-5511-0410-912e-c29ae57300e0

polymer/eduke32/build/include/editor.h

@@ -151,7 +151,7 @@ extern void fixxrepeat(int16_t wallnum, uint32_t lenrepquot);
 extern void AlignWallPoint2(int32_t w0);
 extern int32_t AutoAlignWalls(int32_t w0, uint32_t flags, int32_t nrecurs);
 
-extern void SetFirstWall(int32_t sectnum, int32_t wallnum);
+extern void SetFirstWall(int32_t sectnum, int32_t wallnum, int32_t alsoynw);
 extern int32_t fixspritesectors(void);
 extern void clearkeys(void);
 

polymer/eduke32/build/src/build.c

@@ -2588,19 +2588,33 @@ static void sort_walls_geometrically(int16_t *wallist, int32_t nwalls)
 }
 #endif
 
-void SetFirstWall(int32_t sectnum, int32_t wallnum)
+void SetFirstWall(int32_t sectnum, int32_t wallnum, int32_t alsoynw)
 {
 #ifdef YAX_ENABLE
-    int32_t i, j, k, startwall, endwall;
+    int32_t i, j, k=0;
-    int16_t cf, bunchnum, tempsect, tempwall;
+#endif
+    const sectortype *sec = &sector[sectnum];
+
+    if (sec->wallptr == wallnum)
+    {
+        message("Wall %d already first wall of sector %d", wallnum, sectnum);
+        return;
+    }
+
+#ifdef YAX_ENABLE
+    if (alsoynw)
+    {
+        // Also consider upper/lower TROR neighbor walls.
+        int32_t startwall, endwall;
+        int16_t cf;
 
         for (i=0; i<numwalls; i++)
             wall[i].cstat &= ~(1<<14);
 
         for (cf=0; cf<2; cf++)
         {
-        tempsect = sectnum;
+            int16_t bunchnum;
-        tempwall = wallnum;
+            int32_t tempsect=sectnum, tempwall=wallnum;
 
             while ((bunchnum = yax_getbunch(tempsect, cf)) >= 0 &&
                    (tempsect=yax_is121(bunchnum, cf)) >= 0)
@@ -2612,7 +2626,6 @@ void SetFirstWall(int32_t sectnum, int32_t wallnum)
             }
         }
 
-    k = 0;
         for (i=0; i<numsectors; i++)
             for (WALLS_OF_SECTOR(i, j))
             {
@@ -2623,10 +2636,24 @@ void SetFirstWall(int32_t sectnum, int32_t wallnum)
                     break;
                 }
             }
+    }
+    else
+    {
+        // Only consider aimed at wall <wallnum>.
+        int16_t cb = yax_getbunch(sectnum, YAX_CEILING);
+        int16_t fb = yax_getbunch(sectnum, YAX_FLOOR);
+
+        if ((cb>=0 && (sec->ceilingstat&2)) || (fb >= 0 && (sec->floorstat&2)))
+        {
+            message("Extended ceilings/floors must not be sloped to set first wall");
+            return;
+        }
+    }
 
     if (k > 0)
         message("Set first walls (sector[].wallptr) for %d sectors", k+1);
-    else
+
+    if (k == 0)
 #endif
         message("This wall now sector %d's first wall (sector[].wallptr)", sectnum);
 
@@ -3851,7 +3878,7 @@ void overheadeditor(void)
             {
                 linehighlight = getlinehighlight(mousxplc, mousyplc, linehighlight);
                 if (linehighlight >= 0)
-                    SetFirstWall(sectorofwall(linehighlight), linehighlight);
+                    SetFirstWall(sectorofwall(linehighlight), linehighlight, 1);
             }
         }
 

polymer/eduke32/source/astub.c

@@ -5692,7 +5692,7 @@ static void Keys3d(void)
         if (eitherALT)  //ALT-F (relative alignmment flip)
         {
             if (!AIMING_AT_SPRITE && ASSERT_AIMING)
-                SetFirstWall(searchsector, searchwall);
+                SetFirstWall(searchsector, searchwall, eitherSHIFT);
         }
         else
         {
@@ -7373,16 +7373,18 @@ paste_ceiling_or_floor:
         else if (AIMING_AT_CEILING_OR_FLOOR)
         {
 #ifdef YAX_ENABLE
-            j = yax_getbunch(searchsector, AIMING_AT_FLOOR);
+            int16_t bunchnum = yax_getbunch(searchsector, AIMING_AT_FLOOR);
-            if (j < 0)
+# if !defined NEW_MAP_FORMAY
+            if (bunchnum < 0)
+# endif
 #endif
                 AIMED_CEILINGFLOOR(xpanning) = 0;
             AIMED_CEILINGFLOOR(ypanning) = 0;
             AIMED_CEILINGFLOOR(stat) &= ~2;
             AIMED_CEILINGFLOOR(heinum) = 0;
 #ifdef YAX_ENABLE
-            if (j >= 0)
+            if (bunchnum >= 0)
-                for (SECTORS_OF_BUNCH(j,!AIMING_AT_FLOOR, i))
+                for (SECTORS_OF_BUNCH(bunchnum,!AIMING_AT_FLOOR, i))
                 {
                     SECTORFLD(i,stat, !AIMING_AT_FLOOR) &= ~2;
                     SECTORFLD(i,heinum, !AIMING_AT_FLOOR) = 0;