- moved R_AlignFlat out of renderer into main game code (r_ to p_.)

SVN r3249 (trunk)

src/p_sectors.cpp

@@ -24,6 +24,7 @@
 #include "p_spec.h"
 #include "c_cvars.h"
 #include "doomstat.h"
+#include "r_main.h"
 #include "resources/colormaps.h"
 
 
@@ -771,3 +772,36 @@ bool sector_t::PlaneMoving(int pos)
 	else
 		return (ceilingdata != NULL || (planes[ceiling].Flags & PLANEF_BLOCKED));
 }
+
+
+//==========================================================================
+//
+// P_AlignFlat
+//
+//==========================================================================
+
+bool P_AlignFlat (int linenum, int side, int fc)
+{
+	line_t *line = lines + linenum;
+	sector_t *sec = side ? line->backsector : line->frontsector;
+
+	if (!sec)
+		return false;
+
+	fixed_t x = line->v1->x;
+	fixed_t y = line->v1->y;
+
+	angle_t angle = R_PointToAngle2 (x, y, line->v2->x, line->v2->y);
+	angle_t norm = (angle-ANGLE_90) >> ANGLETOFINESHIFT;
+
+	fixed_t dist = -DMulScale16 (finecosine[norm], x, finesine[norm], y);
+
+	if (side)
+	{
+		angle = angle + ANGLE_180;
+		dist = -dist;
+	}
+
+	sec->SetBase(fc, dist & ((1<<(FRACBITS+8))-1), 0-angle);
+	return true;
+}