Teleport field effect

include/overworld.h

@@ -83,6 +83,7 @@ void sub_8084E2C(s8, s8, s8, s8, s8);
 void sub_8084E80(s8, s8, s8, s8, s8);
 void sub_8084EBC(s16, s16);
 void sub_80555E0(void);
+void copy_saved_warp3_bank_and_enter_x_to_warp1(void);
 
 void player_avatar_init_params_reset(void);