import from github

include/bike.h

@@ -0,0 +1,82 @@
+#ifndef GUARD_BIKE_H
+#define GUARD_BIKE_H
+
+// the struct below is used for checking button combinations of the last input so that the acro can potentially perform a side/turn jump.
+// its possible that at some point Game Freak intended for the acro bike to have more complex tricks: but only the acro jump combinations can be seen in the final ROM.
+struct BikeHistoryInputInfo
+{
+    u32 dirHistoryMatch; // the direction you need to press
+    u32 abStartSelectHistoryMatch; // the button you need to press
+    u32 dirHistoryMask; // mask applied so that way only the recent nybble (the recent input) is checked
+    u32 abStartSelectHistoryMask; // mask applied so that way only the recent nybble (the recent input) is checked
+    const u8 *dirTimerHistoryList; // list of timers to check for direction before the button+dir combination can be verified.
+    const u8 *abStartSelectHistoryList; // list of timers to check for buttons before the button+dir combination can be verified.
+    u32 direction; // direction to jump
+};
+
+// Player speeds
+enum
+{
+    BIKE_SPEED_STANDING,
+    BIKE_SPEED_NORMAL,
+    BIKE_SPEED_FAST,
+    BIKE_SPEED_FASTER,
+    BIKE_SPEED_FASTEST,
+};
+
+// mach bike transitions enum
+enum
+{
+    MACH_TRANS_FACE_DIRECTION,
+    MACH_TRANS_TURN_DIRECTION,
+    MACH_TRANS_KEEP_MOVING,
+    MACH_TRANS_START_MOVING
+};
+
+// Acro bike states
+enum
+{
+    ACRO_STATE_NORMAL,
+    ACRO_STATE_TURNING,
+    ACRO_STATE_WHEELIE_STANDING,
+    ACRO_STATE_BUNNY_HOP,
+    ACRO_STATE_WHEELIE_MOVING,
+    ACRO_STATE_SIDE_JUMP,
+    ACRO_STATE_TURN_JUMP,
+};
+
+// Acro bike transitions
+enum
+{
+    ACRO_TRANS_FACE_DIRECTION,
+    ACRO_TRANS_TURN_DIRECTION,
+    ACRO_TRANS_MOVING,
+    ACRO_TRANS_NORMAL_TO_WHEELIE,
+    ACRO_TRANS_WHEELIE_TO_NORMAL,
+    ACRO_TRANS_WHEELIE_IDLE,
+    ACRO_TRANS_WHEELIE_HOPPING_STANDING,
+    ACRO_TRANS_WHEELIE_HOPPING_MOVING,
+    ACRO_TRANS_SIDE_JUMP,
+    ACRO_TRANS_TURN_JUMP,
+    ACRO_TRANS_WHEELIE_MOVING,
+    ACRO_TRANS_WHEELIE_RISING_MOVING,
+    ACRO_TRANS_WHEELIE_LOWERING_MOVING,
+};
+
+// Exported RAM declarations
+extern bool8 gUnusedBikeCameraAheadPanback;
+
+// Exported ROM declarations
+void MovePlayerOnBike(u8 direction, u16 newKeys, u16 heldKeys);
+void Bike_TryAcroBikeHistoryUpdate(u16 newKeys, u16 heldKeys);
+bool8 RS_IsRunningDisallowed(u8 tile);
+bool8 IsBikingDisallowedByPlayer(void);
+bool8 IsPlayerNotUsingAcroBikeOnBumpySlope(void);
+void GetOnOffBike(u8 transitionFlags);
+void BikeClearState(int newDirHistory, int newAbStartHistory);
+void Bike_UpdateBikeCounterSpeed(u8 counter);
+s16 GetPlayerSpeed(void);
+void Bike_HandleBumpySlopeJump(void);
+bool32 IsRunningDisallowed(u8 metatile);
+
+#endif // GUARD_BIKE_H