X-Git-Url: https://deadsoftware.ru/gitweb?a=blobdiff_plain;f=src%2Fgame%2Fg_grid.pas;h=c1a5f0777cd25a2416e92da03da53834e744a571;hb=f0d4e199f20938613340c53ff24e1eb7a6cc2481;hp=579e5f8dbe90e0b2ba781707e90a54727c58555c;hpb=00d3260470d072699ceb1fe9bf655cbb4880160f;p=d2df-sdl.git

diff --git a/src/game/g_grid.pas b/src/game/g_grid.pas
index 579e5f8..c1a5f07 100644
--- a/src/game/g_grid.pas
+++ b/src/game/g_grid.pas
@@ -187,7 +187,7 @@ var
   xd, yd: Integer; // current coord
   e: Integer; // "error" (as in bresenham algo)
   rem: Integer;
-  term: Integer;
+  //!term: Integer;
   d0, d1: PInteger;
   xfixed: Boolean;
   temp: Integer;
@@ -277,7 +277,7 @@ begin
   xd := x0;
   yd := y0;
   e := 2*dsy-dsx;
-  term := x1;
+  //!term := x1;
 
   xfixed := false;
   if (y0 < wy0) then
@@ -308,6 +308,7 @@ begin
     if (rem >= dsx) then begin Inc(yd); e -= dx2; end;
   end;
 
+  (*
   if (y1 > wy1) then
   begin
     // clip at bottom
@@ -321,10 +322,11 @@ begin
 
   Inc(term); // draw last point
   //if (term = xd) then exit; // this is the only point, get out of here
+  *)
 
   if (sty = -1) then yd := -yd;
-  if (stx = -1) then begin xd := -xd; term := -term; end;
-  dx2 -= dy2;
+  if (stx = -1) then begin xd := -xd; {!term := -term;} end;
+  //!dx2 -= dy2;
 
   inx := d0^;
   iny := d1^;
@@ -1147,7 +1149,9 @@ begin
   // done?
   if (xd = term) then exit;
 
+  {$IF DEFINED(D2F_DEBUG)}
   if (xptr^ < 0) or (yptr^ < 0) or (xptr^ >= gw*tsize) and (yptr^ > mHeight*tsize) then raise Exception.Create('raycaster internal error (0)');
+  {$ENDIF}
 
   //if (dbgShowTraceLog) then e_WriteLog(Format('raycast start: (%d,%d)-(%d,%d); xptr^=%d; yptr^=%d', [ax0, ay0, ax1, ay1, xptr^, yptr^]), MSG_NOTIFY);
 
@@ -1172,7 +1176,9 @@ begin
   while (xd <> term) do
   begin
     // check cell(s)
+    {$IF DEFINED(D2F_DEBUG)}
     if (xptr^ < 0) or (yptr^ < 0) or (xptr^ >= gw*tsize) and (yptr^ > mHeight*tsize) then raise Exception.Create('raycaster internal error (0)');
+    {$ENDIF}
     // new tile?
     ga := (yptr^ div tsize)*gw+(xptr^ div tsize);
     if (ga <> lastGA) then
@@ -1359,11 +1365,15 @@ begin
     xerr += dx;
     yerr += dy;
     // invariant: one of those always changed
+    {$IF DEFINED(D2F_DEBUG)}
     if (xerr < 0) and (yerr < 0) then raise Exception.Create('internal bug in grid raycaster (0)');
+    {$ENDIF}
     if (xerr >= 0) then begin xerr -= d; x += incx; stepx := incx; end else stepx := 0;
     if (yerr >= 0) then begin yerr -= d; y += incy; stepy := incy; end else stepy := 0;
     // invariant: we always doing a step
+    {$IF DEFINED(D2F_DEBUG)}
     if ((stepx or stepy) = 0) then raise Exception.Create('internal bug in grid raycaster (1)');
+    {$ENDIF}
     begin
       // check for crossing tile/grid boundary
       if (x >= 0) and (y >= 0) and (x <= maxx) and (y <= maxy) then