Three-way clipping in Mapster32 (still toggled with 'N): on and off as

before, and additionally a mode that doesn't clip against masked walls
and sprites.

git-svn-id: https://svn.eduke32.com/eduke32@2028 1a8010ca-5511-0410-912e-c29ae57300e0

polymer/eduke32/build/include/build.h

@@ -392,7 +392,6 @@ EXTERN int32_t h_xsize[MAXTILES], h_ysize[MAXTILES];
 EXTERN int8_t h_xoffs[MAXTILES], h_yoffs[MAXTILES];
 
 extern const char *engineerrstr;
-extern char noclip;
 
 EXTERN int32_t editorzrange[2];
 

polymer/eduke32/build/include/editor.h

@@ -40,6 +40,8 @@ extern int32_t horiz;
 extern vec3_t pos;
 extern int16_t ang, cursectnum;
 
+extern int8_t m32_clipping;  // 0: none, 1: only white walls, 2: like game
+
 extern int16_t editstatus, searchit;
 extern int32_t searchx, searchy, osearchx, osearchy;      //search input
 

polymer/eduke32/build/src/build.c

@@ -27,7 +27,7 @@ static char kensig[64];
 
 extern const char *ExtGetVer(void);
 
-char noclip=0;
+int8_t m32_clipping=2;
 
 // 0   1     2     3      4       5      6      7
 // up, down, left, right, lshift, rctrl, lctrl, space
@@ -836,15 +836,17 @@ void spriteoncfz(int32_t i, int32_t *czptr, int32_t *fzptr)
 
 static void move_and_update(int32_t xvect, int32_t yvect, int32_t addshr)
 {
-    if (noclip)
+    if (m32_clipping==0)
     {
         pos.x += xvect>>(14+addshr);
         pos.y += yvect>>(14+addshr);
         updatesector(pos.x,pos.y, &cursectnum);
     }
     else
+    {
         clipmove(&pos,&cursectnum, xvect>>addshr,yvect>>addshr,
-                 128,4<<8,4<<8, CLIPMASK0);
+                 128,4<<8,4<<8, (m32_clipping==1) ? 0 : CLIPMASK0);
+    }
 }
 
 static void mainloop_move(void)
@@ -1040,7 +1042,7 @@ void editinput(void)
 
     mainloop_move();
 
-    getzrange(&pos,cursectnum, &hiz,&hihit, &loz,&lohit, 128,CLIPMASK0);
+    getzrange(&pos,cursectnum, &hiz,&hihit, &loz,&lohit, 128, (m32_clipping==1)?0:CLIPMASK0);
 /*
 {
     int32_t his = !(hihit&32768), los = !(lohit&32768);
@@ -1118,11 +1120,11 @@ void editinput(void)
             }
         }
 
-        if (!noclip)
+        if (m32_clipping)
             inpclamp(&goalz, hiz+(4<<8), loz-(4<<8));
 
         if (zmode == 1) goalz = loz-zlock;
-        if (!noclip && (goalz < hiz+(4<<8)))
+        if (m32_clipping && (goalz < hiz+(4<<8)))
             goalz = ((loz+hiz)>>1);  //ceiling&floor too close
         if (zmode == 1) pos.z = goalz;
 
@@ -1137,7 +1139,7 @@ void editinput(void)
 
             pos.z += hvel;
 
-            if (!noclip)
+            if (m32_clipping)
             {
                 if (pos.z > loz-(4<<8)) pos.z = loz-(4<<8), hvel = 0;
                 if (pos.z < hiz+(4<<8)) pos.z = hiz+(4<<8), hvel = 0;

polymer/eduke32/source/astub.c

@@ -5330,8 +5330,8 @@ static void Keys3d(void)
     if (YAXCHK(!AIMING_AT_CEILING_OR_FLOOR || yax_getbunch(searchsector, AIMING_AT_FLOOR) < 0))
 #endif
     {
-        i = noclip;
+        i = m32_clipping;
-        noclip = 1;
+        m32_clipping = 0;
 
         switch (searchstat)
         {
@@ -5371,7 +5371,7 @@ static void Keys3d(void)
         setslope(searchsector, YAX_FLOOR, sector[searchsector].floorheinum);
 
         asksave = 1;
-        noclip = i;
+        m32_clipping = i;
     }
 
 
@@ -8835,8 +8835,11 @@ static int32_t osdcmd_sensitivity(const osdfuncparm_t *parm)
 static int32_t osdcmd_noclip(const osdfuncparm_t *parm)
 {
     UNREFERENCED_PARAMETER(parm);
-    noclip = !noclip;
+    m32_clipping--;
-    OSD_Printf("Clipping %s\n", noclip?"disabled":"enabled");
+    if (m32_clipping < 0)
+        m32_clipping = 2;
+    OSD_Printf("Clipping %s\n", m32_clipping==0 ? "disabled" :
+               (m32_clipping==1 ? "non-masks only" : "enabled"));
 
     return OSDCMD_OK;
 }
@@ -9321,7 +9324,7 @@ static int32_t registerosdcommands(void)
 
     OSD_RegisterFunction("initgroupfile","initgroupfile <path>: adds a grp file into the game filesystem", osdcmd_initgroupfile);
 
-    OSD_RegisterFunction("noclip","noclip: toggles clipping mode", osdcmd_noclip);
+    OSD_RegisterFunction("m32_clipping","m32_clipping: toggles clipping mode", osdcmd_noclip);
 
     OSD_RegisterFunction("quit","quit: exits the editor immediately", osdcmd_quit);
     OSD_RegisterFunction("exit","exit: exits the editor immediately", osdcmd_quit);
@@ -11013,8 +11016,11 @@ static void Keys2d3d(void)
 
     if (keystatus[KEYSC_QUOTE] && PRESSED_KEYSC(N)) // 'N
     {
-        noclip = !noclip;
+        m32_clipping--;
-        message("Clipping %s", noclip?"disabled":"enabled");
+        if (m32_clipping < 0)
+            m32_clipping = 2;
+        message("Clipping %s", m32_clipping==0 ? "disabled" :
+                (m32_clipping==1 ? "non-masks only" : "enabled"));
     }
 
     if (eitherCTRL && PRESSED_KEYSC(N)) // CTRL+N