Merge pull request #2104 from GriffinRichards/fix-collision-comparison

Fix collision comparison in PlayerNotOnBikeMoving

src/field_player_avatar.c

@@ -619,9 +619,27 @@ static void PlayerNotOnBikeMoving(u8 direction, u16 heldKeys)
         }
         else
         {
-            u8 adjustedCollision = collision - COLLISION_STOP_SURFING;
-            if (adjustedCollision > 3)
+            // Player collided with something. Certain collisions have special handling that precludes the normal collision effect.
+            // COLLISION_STOP_SURFING and COLLISION_PUSHED_BOULDER's effects are started by CheckForObjectEventCollision.
+            // COLLISION_LEDGE_JUMP's effect is handled further up in this function, so it will never reach this point.
+            // COLLISION_ROTATING_GATE is unusual however, this was probably included by mistake. When the player walks into a
+            // rotating gate that cannot rotate there is no additional handling, it's just a regular collision. Its exclusion here
+            // means that the player avatar won't update if they encounter this kind of collision. This has two noticeable effects:
+            // - Colliding with it head-on stops the player dead, rather than playing the walking animation and playing a bump sound effect
+            // - Colliding with it by changing direction won't turn the player avatar, their walking animation will just speed up.
+#ifdef BUGFIX
+            if (collision != COLLISION_STOP_SURFING
+             && collision != COLLISION_LEDGE_JUMP
+             && collision != COLLISION_PUSHED_BOULDER)
+#else
+            if (collision != COLLISION_STOP_SURFING
+             && collision != COLLISION_LEDGE_JUMP
+             && collision != COLLISION_PUSHED_BOULDER
+             && collision != COLLISION_ROTATING_GATE)
+#endif
+            {
                 PlayerNotOnBikeCollide(direction);
+            }
             return;
         }
     }