fix handling of angles of the rocket projectile

diff --git a/qcsrc/client/interpolate.qc b/qcsrc/client/interpolate.qc
index 5ee28b0fd22f8d9fa803f6db9d791166fbaf91c6..f96d3d7f96887ad3246e989bb8de25e18868dca8 100644 (file)
--- a/qcsrc/client/interpolate.qc
+++ b/qcsrc/client/interpolate.qc
@@ -6,15 +6,17 @@
 .float itime1, itime2;
 void InterpolateOrigin_Reset()
 {
-       self.iflags &~= (IFLAG_PREVALID | IFLAG_VALID);
+       self.iflags &~= IFLAG_INTERNALMASK;
        self.itime1 = self.itime2 = 0;
 }
 void InterpolateOrigin_Note()
 {
        float dt;
+       float f0;
 
        dt = time - self.itime2;
 
+       f0 = self.iflags;
        if(self.iflags & IFLAG_PREVALID)
                self.iflags |= IFLAG_VALID;
        else
@@ -30,8 +32,16 @@ void InterpolateOrigin_Note()
        if(self.iflags & IFLAG_ANGLES)
        {
                fixedmakevectors(self.angles);
-               self.iforward1 = self.iforward2;
-               self.iup1 = self.iup2;
+               if(f0 & IFLAG_VALID)
+               {
+                       self.iforward1 = self.iforward2;
+                       self.iup1 = self.iup2;
+               }
+               else
+               {
+                       self.iforward1 = v_forward;
+                       self.iup1 = v_up;
+               }
                self.iforward2 = v_forward;
                self.iup2 = v_up;
        }