split out src/ directory into categorized subdirectories.

1 files changed, 0 insertions, 1013 deletions

diff --git a/src/bike.c b/src/bike.c
deleted file mode 100644
index 58a4f38f4..000000000
--- a/src/bike.c
+++ /dev/null
@@ -1,1013 +0,0 @@
-#include "global.h"
-#include "bike.h"
-#include "field_map_obj.h"
-#include "field_player_avatar.h"
-#include "fieldmap.h"
-#include "flags.h"
-#include "global.fieldmap.h"
-#include "metatile_behavior.h"
-#include "rom4.h"
-#include "songs.h"
-#include "sound.h"
-
-extern u8 sub_80608A4(u8);
-
-extern u8 gUnknown_02039250;
-extern u8 gUnknown_02039251;
-extern u8 gUnknown_0202E854;
-
-static void MovePlayerOnMachBike(u8, u16, u16);
-static u8 GetMachBikeTransition(u8 *);
-static void MachBikeTransition_FaceDirection(u8);
-static void MachBikeTransition_80E517C(u8);
-static void MachBikeTransition_80E51C4(u8);
-static void MachBikeTransition_80E5270(u8);
-static void MovePlayerOnAcroBike(u8, u16, u16);
-static u8 CheckMovementInputAcroBike(u8 *, u16, u16);
-static u8 AcroBikeHandleInputNormal(u8 *, u16, u16);
-static u8 AcroBikeHandleInputTurning(u8 *, u16, u16);
-static u8 AcroBikeHandleInputWheelieStanding(u8 *, u16, u16);
-static u8 AcroBikeHandleInputBunnyHop(u8 *, u16, u16);
-static u8 AcroBikeHandleInputWheelieMoving(u8 *, u16, u16);
-static u8 AcroBikeHandleInputState5(u8 *, u16, u16);
-static u8 AcroBikeHandleInputState6(u8 *, u16, u16);
-static void AcroBikeTransition_FaceDirection(u8);
-static void AcroBikeTransition_80E5708(u8);
-static void AcroBikeTransition_80E5744(u8);
-static void AcroBikeTransition_NormalToWheelie(u8);
-static void AcroBikeTransition_80E57F8(u8);
-static void AcroBikeTransition_80E5834(u8);
-static void AcroBikeTransition_80E5870(u8);
-static void AcroBikeTransition_80E58AC(u8);
-static void AcroBikeTransition_80E5920(u8);
-static void AcroBikeTransition_80E5990(u8);
-static void AcroBikeTransition_80E59A0(u8);
-static void AcroBikeTransition_80E5A30(u8);
-static void AcroBikeTransition_80E5AC0(u8);
-static void sub_80E5B60(u16, u16);
-static u8 sub_80E5C2C(void);
-static void sub_80E5C7C(u8);
-static void sub_80E5CB8(u8);
-static u8 sub_80E5CF4(u16);
-static u8 get_some_collision(u8);
-static u8 sub_80E5DA0(struct MapObject *, s16, s16, u8, u8);
-static bool8 IsRunningDisallowedByMetatile(u8);
-static void sub_80E5E4C();
-static u8 CanBikeFaceDirOnMetatile(u8, u8);
-static bool8 sub_80E5EC0(u8, u8);
-static void sub_80E6024(void);
-
-static void (*const sMachBikeTransitions[])(u8) =
-{
-    MachBikeTransition_FaceDirection,
-    MachBikeTransition_80E517C,
-    MachBikeTransition_80E51C4,
-    MachBikeTransition_80E5270,
-};
-
-static void (*const gUnknown_083DB5A4[])(u8) =
-{
-    PlayerGoSpeed0,
-    sub_80593C4,
-    sub_80593F4,
-};
-
-static void (*const sAcroBikeTransitions[])(u8) =
-{
-    AcroBikeTransition_FaceDirection,
-    AcroBikeTransition_80E5708,
-    AcroBikeTransition_80E5744,
-    AcroBikeTransition_NormalToWheelie,
-    AcroBikeTransition_80E57F8,
-    AcroBikeTransition_80E5834,
-    AcroBikeTransition_80E5870,
-    AcroBikeTransition_80E58AC,
-    AcroBikeTransition_80E5920,
-    AcroBikeTransition_80E5990,
-    AcroBikeTransition_80E59A0,
-    AcroBikeTransition_80E5A30,
-    AcroBikeTransition_80E5AC0,
-};
-
-static u8 (*const sAcroBikeInputHandlers[])(u8 *, u16, u16) =
-{
-    AcroBikeHandleInputNormal,
-    AcroBikeHandleInputTurning,
-    AcroBikeHandleInputWheelieStanding,
-    AcroBikeHandleInputBunnyHop,
-    AcroBikeHandleInputWheelieMoving,
-    AcroBikeHandleInputState5,
-    AcroBikeHandleInputState6,
-};
-
-const u16 gMachBikeSpeeds[] = {SPEED_NORMAL, SPEED_FAST, SPEED_FASTEST};
-static const u8 Unknown_3DB606[] = {4, 0};
-
-static const struct UnknownStruct1 gUnknown_083DB608[] =
-{
-    {1, 2, 15, 15, Unknown_3DB606, Unknown_3DB606, 1},
-    {2, 2, 15, 15, Unknown_3DB606, Unknown_3DB606, 2},
-    {3, 2, 15, 15, Unknown_3DB606, Unknown_3DB606, 3},
-    {4, 2, 15, 15, Unknown_3DB606, Unknown_3DB606, 4},
-};
-
-void MovePlayerOnBike(u8 direction, u16 newKeys, u16 heldKeys)
-{
-    if (gPlayerAvatar.flags & PLAYER_AVATAR_FLAG_MACH_BIKE)
-        MovePlayerOnMachBike(direction, newKeys, heldKeys);
-    else
-        MovePlayerOnAcroBike(direction, newKeys, heldKeys);
-}
-
-static void MovePlayerOnMachBike(u8 direction, u16 newKeys, u16 heldKeys)
-{
-    sMachBikeTransitions[GetMachBikeTransition(&direction)](direction);
-}
-
-static u8 GetMachBikeTransition(u8 *ptr)
-{
-    u8 direction = player_get_direction_upper_nybble();
-
-    if (*ptr == 0)
-    {
-        *ptr = direction;
-        if (gPlayerAvatar.unkB == 0)
-        {
-            gPlayerAvatar.running2 = 0;
-            return 0;
-        }
-        gPlayerAvatar.running2 = 2;
-        return 3;
-    }
-
-    if (*ptr != direction && gPlayerAvatar.running2 != 2)
-    {
-        if (gPlayerAvatar.unkB != 0)
-        {
-            *ptr = direction;
-            gPlayerAvatar.running2 = 2;
-            return 3;
-        }
-        gPlayerAvatar.running2 = 1;
-        return 1;
-    }
-    else
-    {
-        gPlayerAvatar.running2 = 2;
-        return 2;
-    }
-}
-
-static void MachBikeTransition_FaceDirection(u8 direction)
-{
-    PlayerFaceDirection(direction);
-    sub_80E6024();
-}
-
-static void MachBikeTransition_80E517C(u8 direction)
-{
-    struct MapObject *playerMapObj = &gMapObjects[gPlayerAvatar.mapObjectId];
-
-    if (CanBikeFaceDirOnMetatile(direction, playerMapObj->mapobj_unk_1E))
-    {
-        PlayerTurnInPlace(direction);
-        sub_80E6024();
-    }
-    else
-    {
-        MachBikeTransition_FaceDirection(playerMapObj->mapobj_unk_18);
-    }
-}
-
-static void MachBikeTransition_80E51C4(u8 direction)
-{
-    struct MapObject *playerMapObj = &gMapObjects[gPlayerAvatar.mapObjectId];
-    u8 collision;
-
-    if (CanBikeFaceDirOnMetatile(direction, playerMapObj->mapobj_unk_1E) == 0)
-    {
-        if (gPlayerAvatar.unkB)
-            MachBikeTransition_80E5270(playerMapObj->placeholder18);
-        else
-            MachBikeTransition_FaceDirection(playerMapObj->placeholder18);
-    }
-    else
-    {
-        collision = get_some_collision(direction);
-        if (collision > 0 && collision < 12)
-        {
-            if (collision == COLLISION_LEDGE_JUMP)
-            {
-                PlayerJumpLedge(direction);
-            }
-            else
-            {
-                sub_80E6024();
-                if (collision < 5 || collision > 8)
-                    PlayerOnBikeCollide(direction);
-            }
-        }
-        else
-        {
-            gUnknown_083DB5A4[gPlayerAvatar.bikeFrameCounter](direction);
-            gPlayerAvatar.unkB = gPlayerAvatar.bikeFrameCounter + (gPlayerAvatar.bikeFrameCounter >> 1); // same as dividing by 2, but compiler is insistent on >> 1
-            if (gPlayerAvatar.bikeFrameCounter < 2) // do not go faster than the last element in the mach bike array
-                gPlayerAvatar.bikeFrameCounter++;
-        }
-    }
-}
-
-static void MachBikeTransition_80E5270(u8 var)
-{
-    u8 collision;
-
-    if (gPlayerAvatar.unkB != 0)
-        gPlayerAvatar.bikeFrameCounter = --gPlayerAvatar.unkB;
-
-    collision = get_some_collision(var);
-
-    if (collision > 0 && collision < 12)
-    {
-        if (collision == COLLISION_LEDGE_JUMP)
-        {
-            PlayerJumpLedge(var);
-        }
-        else
-        {
-            sub_80E6024();
-            if (collision < 5 || collision > 8)
-                PlayerOnBikeCollide(var);
-        }
-    }
-    else
-    {
-        gUnknown_083DB5A4[gPlayerAvatar.bikeFrameCounter](var);
-    }
-}
-
-static void MovePlayerOnAcroBike(u8 newDirection, u16 newKeys, u16 heldKeys)
-{
-    sAcroBikeTransitions[CheckMovementInputAcroBike(&newDirection, newKeys, heldKeys)](newDirection);
-}
-
-static u8 CheckMovementInputAcroBike(u8 *newDirection, u16 newKeys, u16 heldKeys)
-{
-    return sAcroBikeInputHandlers[gPlayerAvatar.acroBikeState](newDirection, newKeys, heldKeys);
-}
-
-static u8 AcroBikeHandleInputNormal(u8 *newDirection, u16 newKeys, u16 heldKeys)
-{
-    u8 direction = player_get_direction_upper_nybble();
-
-    gPlayerAvatar.bikeFrameCounter = 0;
-    if (*newDirection == DIR_NONE)
-    {
-        if (newKeys & B_BUTTON)
-        {
-            //We're standing still with the B button held.
-            //Do a wheelie.
-            *newDirection = direction;
-            gPlayerAvatar.running2 = 0;
-            gPlayerAvatar.acroBikeState = ACRO_STATE_WHEELIE_STANDING;
-            return ACRO_TRANS_NORMAL_TO_WHEELIE;
-        }
-        else
-        {
-            *newDirection = direction;
-            gPlayerAvatar.running2 = 0;
-            return ACRO_TRANS_FACE_DIRECTION;
-        }
-    }
-    if (*newDirection == direction && (heldKeys & B_BUTTON) && gPlayerAvatar.unkB == 0)
-    {
-        gPlayerAvatar.unkB++;
-        gPlayerAvatar.acroBikeState = ACRO_STATE_WHEELIE_MOVING;
-        return 11;
-    }
-    if (*newDirection != direction && gPlayerAvatar.running2 != 2)
-    {
-        gPlayerAvatar.acroBikeState = ACRO_STATE_TURNING;
-        gPlayerAvatar.unk9 = *newDirection;
-        gPlayerAvatar.running2 = 0;
-        return CheckMovementInputAcroBike(newDirection, newKeys, heldKeys);
-    }
-    gPlayerAvatar.running2 = 2;
-    return 2;
-}
-
-static u8 AcroBikeHandleInputTurning(u8 *newDirection, u16 newKeys, u16 heldKeys)
-{
-    u8 direction;
-
-    *newDirection = gPlayerAvatar.unk9;
-    gPlayerAvatar.bikeFrameCounter++;
-
-    //Wait 6 frames before actually changing direction
-    if (gPlayerAvatar.bikeFrameCounter > 6)
-    {
-        gPlayerAvatar.running2 = 1;
-        gPlayerAvatar.acroBikeState = ACRO_STATE_NORMAL;
-        sub_80E6024();
-        return 1;
-    }
-    direction = player_get_direction_upper_nybble();
-    if (*newDirection == sub_80E5C2C())
-    {
-        sub_80E6024();
-        gPlayerAvatar.unkB = 1;
-        if (*newDirection == GetOppositeDirection(direction))
-        {
-            gPlayerAvatar.acroBikeState = ACRO_STATE_6;
-            return 9;
-        }
-        else
-        {
-            gPlayerAvatar.running2 = 2;
-            gPlayerAvatar.acroBikeState = ACRO_STATE_5;
-            return 8;
-        }
-    }
-    *newDirection = direction;
-    return 0;
-}
-
-static u8 AcroBikeHandleInputWheelieStanding(u8 *ptr, u16 newKeys, u16 heldKeys)
-{
-    u8 direction;
-    struct MapObject *playerMapObj;
-
-    direction = player_get_direction_upper_nybble();
-    playerMapObj = &gMapObjects[gPlayerAvatar.mapObjectId];
-    gPlayerAvatar.running2 = 0;
-
-    if (heldKeys & B_BUTTON)
-        gPlayerAvatar.bikeFrameCounter++;
-    else
-    {
-        //B button was released.
-        gPlayerAvatar.bikeFrameCounter = 0;
-        if (!MetatileBehavior_IsBumpySlope(playerMapObj->mapobj_unk_1E))
-        {
-            //Go back to normal on flat ground
-            *ptr = direction;
-            gPlayerAvatar.acroBikeState = ACRO_STATE_NORMAL;
-            sub_80E6024();
-            return 4;
-        }
-    }
-    if (gPlayerAvatar.bikeFrameCounter >= 40)
-    {
-        *ptr = direction;
-        gPlayerAvatar.acroBikeState = ACRO_STATE_BUNNY_HOP;
-        sub_80E6024();
-        return 6;
-    }
-    if (*ptr == direction)
-    {
-        gPlayerAvatar.running2 = 2;
-        gPlayerAvatar.acroBikeState = ACRO_STATE_WHEELIE_MOVING;
-        sub_80E6024();
-        return 10;
-    }
-    if (*ptr == 0)
-    {
-        *ptr = direction;
-        return 5;
-    }
-    gPlayerAvatar.running2 = 1;
-    return 5;
-}
-
-static u8 AcroBikeHandleInputBunnyHop(u8 *ptr, u16 newKeys, u16 heldKeys)
-{
-    u8 direction;
-    struct MapObject *playerMapObj;
-
-    direction = player_get_direction_upper_nybble();
-    playerMapObj = &gMapObjects[gPlayerAvatar.mapObjectId];
-    if (!(heldKeys & B_BUTTON))
-    {
-        //B button was released
-        sub_80E6024();
-        if (MetatileBehavior_IsBumpySlope(playerMapObj->mapobj_unk_1E))
-        {
-            //Do a standing wheelie on a bumpy slope
-            gPlayerAvatar.acroBikeState = ACRO_STATE_WHEELIE_STANDING;
-            return CheckMovementInputAcroBike(ptr, newKeys, heldKeys);
-        }
-        else
-        {
-            //Go back to normal on flat ground
-            *ptr = direction;
-            gPlayerAvatar.running2 = 0;
-            gPlayerAvatar.acroBikeState = ACRO_STATE_NORMAL;
-            return 4;
-        }
-    }
-
-    //B Button is still held
-
-    if (*ptr == DIR_NONE)
-    {
-        *ptr = direction;
-        gPlayerAvatar.running2 = 0;
-        return 6;
-    }
-    if (*ptr != direction && gPlayerAvatar.running2 != 2)
-    {
-        gPlayerAvatar.running2 = 1;
-        return 6;
-    }
-    gPlayerAvatar.running2 = 2;
-    return 7;
-}
-
-static u8 AcroBikeHandleInputWheelieMoving(u8 *ptr, u16 newKeys, u16 heldKeys)
-{
-    u8 direction;
-    struct MapObject *playerMapObj;
-
-    direction = player_get_direction_lower_nybble();
-    playerMapObj = &gMapObjects[gPlayerAvatar.mapObjectId];
-    if (!(heldKeys & B_BUTTON))
-    {
-        sub_80E6024();
-        if (!MetatileBehavior_IsBumpySlope(playerMapObj->mapobj_unk_1E))
-        {
-            gPlayerAvatar.acroBikeState = ACRO_STATE_NORMAL;
-            if (*ptr == 0)
-            {
-                *ptr = direction;
-                gPlayerAvatar.running2 = 0;
-                return 4;
-            }
-            if (*ptr != direction && gPlayerAvatar.running2 != 2)
-            {
-                gPlayerAvatar.running2 = 0;
-                return 4;
-            }
-            gPlayerAvatar.running2 = 2;
-            return 12;
-        }
-        gPlayerAvatar.acroBikeState = ACRO_STATE_WHEELIE_STANDING;
-        return CheckMovementInputAcroBike(ptr, newKeys, heldKeys);
-    }
-    if (*ptr == 0)
-    {
-        *ptr = direction;
-        gPlayerAvatar.acroBikeState = ACRO_STATE_WHEELIE_STANDING;
-        gPlayerAvatar.running2 = 0;
-        sub_80E6024();
-        return 5;
-    }
-    if (direction != *ptr && gPlayerAvatar.running2 != 2)
-    {
-        gPlayerAvatar.running2 = 0;
-        return 5;
-    }
-    gPlayerAvatar.running2 = 2;
-    return 10;
-}
-
-static u8 AcroBikeHandleInputState5(u8 *ptr, u16 newKeys, u16 heldKeys)
-{
-    struct MapObject *playerMapObj = &gMapObjects[gPlayerAvatar.mapObjectId];
-
-    playerMapObj->mapobj_bit_9 = 0;
-    FieldObjectSetDirection(playerMapObj, playerMapObj->mapobj_unk_18);
-    gPlayerAvatar.acroBikeState = ACRO_STATE_NORMAL;
-    return CheckMovementInputAcroBike(ptr, newKeys, heldKeys);
-}
-
-static u8 AcroBikeHandleInputState6(u8 *ptr, u16 newKeys, u16 heldKeys)
-{
-    gPlayerAvatar.acroBikeState = ACRO_STATE_NORMAL;
-    return CheckMovementInputAcroBike(ptr, newKeys, heldKeys);
-}
-
-static void AcroBikeTransition_FaceDirection(u8 direction)
-{
-    PlayerFaceDirection(direction);
-}
-
-static void AcroBikeTransition_80E5708(u8 direction)
-{
-    struct MapObject *playerMapObj = &gMapObjects[gPlayerAvatar.mapObjectId];
-
-    if (CanBikeFaceDirOnMetatile(direction, playerMapObj->mapobj_unk_1E) == 0)
-        direction = playerMapObj->placeholder18;
-    PlayerFaceDirection(direction);
-}
-
-static void AcroBikeTransition_80E5744(u8 direction)
-{
-    u8 collision;
-    struct MapObject *playerMapObj = &gMapObjects[gPlayerAvatar.mapObjectId];
-
-    if (CanBikeFaceDirOnMetatile(direction, playerMapObj->mapobj_unk_1E) == 0)
-    {
-        AcroBikeTransition_FaceDirection(playerMapObj->placeholder18);
-        return;
-    }
-    collision = get_some_collision(direction);
-    if (collision > 0 && collision < 12)
-    {
-        if (collision == COLLISION_LEDGE_JUMP)
-            PlayerJumpLedge(direction);
-        else if (collision < 5 || collision > 8)
-            PlayerOnBikeCollide(direction);
-    }
-    else
-    {
-        npc_use_some_d2s(direction);
-    }
-}
-
-static void AcroBikeTransition_NormalToWheelie(u8 direction)
-{
-    struct MapObject *playerMapObj = &gMapObjects[gPlayerAvatar.mapObjectId];
-
-    if (CanBikeFaceDirOnMetatile(direction, playerMapObj->mapobj_unk_1E) == 0)
-        direction = playerMapObj->placeholder18;
-    PlayerStartWheelie(direction);
-}
-
-static void AcroBikeTransition_80E57F8(u8 direction)
-{
-    struct MapObject *playerMapObj = &gMapObjects[gPlayerAvatar.mapObjectId];
-
-    if (CanBikeFaceDirOnMetatile(direction, playerMapObj->mapobj_unk_1E) == 0)
-        direction = playerMapObj->placeholder18;
-    sub_8059534(direction);
-}
-
-static void AcroBikeTransition_80E5834(u8 direction)
-{
-    struct MapObject *playerMapObj = &gMapObjects[gPlayerAvatar.mapObjectId];
-
-    if (CanBikeFaceDirOnMetatile(direction, playerMapObj->mapobj_unk_1E) == 0)
-        direction = playerMapObj->placeholder18;
-    sub_8059504(direction);
-}
-
-static void AcroBikeTransition_80E5870(u8 direction)
-{
-    struct MapObject *playerMapObj = &gMapObjects[gPlayerAvatar.mapObjectId];
-
-    if (CanBikeFaceDirOnMetatile(direction, playerMapObj->mapobj_unk_1E) == 0)
-        direction = playerMapObj->placeholder18;
-    sub_805954C(direction);
-}
-
-static void AcroBikeTransition_80E58AC(u8 direction)
-{
-    u8 var;
-    struct MapObject *playerMapObj = &gMapObjects[gPlayerAvatar.mapObjectId];
-
-    if (CanBikeFaceDirOnMetatile(direction, playerMapObj->mapobj_unk_1E) == 0)
-    {
-        AcroBikeTransition_80E5870(playerMapObj->placeholder18);
-        return;
-    }
-    var = get_some_collision(direction);
-    //TODO: Try to get rid of this goto
-    if (var == 0 || var == 9)
-    {
-        goto derp;
-    }
-    else if (var == 6)
-    {
-        sub_8059594(direction);
-    }
-    else if (var < 5 || var > 8)
-    {
-        if (var <= 11)
-        {
-            AcroBikeTransition_80E5870(direction);
-        }
-        else
-        {
-          derp:
-            sub_8059570(direction);
-        }
-    }
-}
-
-static void AcroBikeTransition_80E5920(u8 direction)
-{
-    u8 var;
-    struct MapObject *playerMapObj;
-
-    var = get_some_collision(direction);
-    if (var != 0)
-    {
-        if (var == 7)
-            return;
-        if (var < 10)
-        {
-            AcroBikeTransition_80E5708(direction);
-            return;
-        }
-        if (sub_80E5EC0(var, direction) == 0)
-        {
-            AcroBikeTransition_80E5708(direction);
-            return;
-        }
-    }
-    playerMapObj = &gMapObjects[gPlayerAvatar.mapObjectId];
-    PlaySE(SE_JITE_PYOKO);
-    playerMapObj->mapobj_bit_9 = 1;
-    PlayerSetAnimId(sub_80608A4(direction), 2);
-}
-
-static void AcroBikeTransition_80E5990(u8 direction)
-{
-    sub_80595B8(direction);
-}
-
-static void AcroBikeTransition_80E59A0(u8 direction)
-{
-    u8 var;
-    struct MapObject *playerMapObj = &gMapObjects[gPlayerAvatar.mapObjectId];
-
-    if (CanBikeFaceDirOnMetatile(direction, playerMapObj->mapobj_unk_1E) == 0)
-    {
-        sub_8059504(playerMapObj->placeholder18);
-        return;
-    }
-    var = get_some_collision(direction);
-    if (var > 0 && var < 12)
-    {
-        if (var == 6)
-        {
-            sub_8059594(direction);
-        }
-        else if (var == 9)
-        {
-            sub_8059504(direction);
-        }
-        else if (var <= 4)
-        {
-            if (MetatileBehavior_IsBumpySlope(playerMapObj->mapobj_unk_1E))
-                sub_8059504(direction);
-            else
-                sub_80595DC(direction);  //hit wall?
-        }
-        return;
-    }
-    sub_8059618(direction);
-    gPlayerAvatar.running2 = 2;
-}
-
-static void AcroBikeTransition_80E5A30(u8 direction)
-{
-    u8 var;
-    struct MapObject *playerMapObj = &gMapObjects[gPlayerAvatar.mapObjectId];
-
-    if (CanBikeFaceDirOnMetatile(direction, playerMapObj->mapobj_unk_1E) == 0)
-    {
-        PlayerStartWheelie(playerMapObj->placeholder18);
-        return;
-    }
-    var = get_some_collision(direction);
-    if (var > 0 && var < 12)
-    {
-        if (var == 6)
-        {
-            sub_8059594(direction);
-        }
-        else if (var == 9)
-        {
-            sub_8059504(direction);
-        }
-        else if (var <= 4)
-        {
-            if (MetatileBehavior_IsBumpySlope(playerMapObj->mapobj_unk_1E))
-                sub_8059504(direction);
-            else
-                sub_80595DC(direction);  //hit wall?
-        }
-        return;
-    }
-    sub_8059600(direction);
-    gPlayerAvatar.running2 = 2;
-}
-
-static void AcroBikeTransition_80E5AC0(u8 direction)
-{
-    u8 var;
-    struct MapObject *playerMapObj = &gMapObjects[gPlayerAvatar.mapObjectId];
-
-    if (CanBikeFaceDirOnMetatile(direction, playerMapObj->mapobj_unk_1E) == 0)
-    {
-        sub_8059534(playerMapObj->placeholder18);
-        return;
-    }
-    var = get_some_collision(direction);
-    if (var > 0 && var < 12)
-    {
-        if (var == 6)
-            PlayerJumpLedge(direction);
-        else if (var < 5 || var > 8)
-            sub_8059534(direction);
-        return;
-    }
-    sub_8059630(direction);
-}
-
-void sub_80E5B38(u16 a, u16 b)
-{
-    if (gPlayerAvatar.flags & PLAYER_AVATAR_FLAG_ACRO_BIKE)
-        sub_80E5B60(a, b);
-}
-
-static void sub_80E5B60(u16 unused, u16 b)
-{
-    u8 var;
-
-    var = sub_80E5CF4(b);
-    if (var == (gPlayerAvatar.unkC & 0xF))
-    {
-        if (gPlayerAvatar.unk14[0] < 0xFF)
-            gPlayerAvatar.unk14[0]++;
-    }
-    else
-    {
-        sub_80E5C7C(var);
-        gPlayerAvatar.unkB = 0;
-    }
-
-    var = b & 0xF;
-    if (var == (gPlayerAvatar.unk10 & 0xF))
-    {
-        if (gPlayerAvatar.unk1C[0] < 0xFF)
-            gPlayerAvatar.unk1C[0]++;
-    }
-    else
-    {
-        sub_80E5CB8(var);
-        gPlayerAvatar.unkB = 0;
-    }
-}
-
-static bool8 sub_80E5BC8(const u8 *a, const u8 *b)
-{
-    u8 i;
-
-    for (i = 0; a[i] != 0; i++)
-    {
-        if (gPlayerAvatar.unk14[i] > a[i])
-            return FALSE;
-    }
-    for (i = 0; b[i] != 0; i++)
-    {
-        if (gPlayerAvatar.unk1C[i] > b[i])
-            return FALSE;
-    }
-    return TRUE;
-}
-
-static u8 sub_80E5C2C(void)
-{
-    u32 i;
-
-    for (i = 0; i < 4; i++)
-    {
-        const struct UnknownStruct1 *s = &gUnknown_083DB608[i];
-        u32 r1 = gPlayerAvatar.unkC;
-        u32 r2 = gPlayerAvatar.unk10;
-
-        r1 &= s->unk8;
-        r2 &= s->unkC;
-        if (r1 == s->unk0 && r2 == s->unk4 && sub_80E5BC8(s->unk10, s->unk14))
-            return s->unk18;
-    }
-    return 0;
-}
-
-static void sub_80E5C7C(u8 a)
-{
-    u8 i;
-
-    gPlayerAvatar.unkC = (gPlayerAvatar.unkC << 4) | (a & 0xF);
-
-    for (i = 7; i != 0; i--)
-        gPlayerAvatar.unk14[i] = gPlayerAvatar.unk14[i - 1];
-    gPlayerAvatar.unk14[0] = 1;
-}
-
-static void sub_80E5CB8(u8 a)
-{
-    u8 i;
-
-    gPlayerAvatar.unk10 = (gPlayerAvatar.unk10 << 4) | (a & 0xF);
-
-    for (i = 7; i != 0; i--)
-        gPlayerAvatar.unk1C[i] = gPlayerAvatar.unk1C[i - 1];
-    gPlayerAvatar.unk1C[0] = 1;
-}
-
-static u8 sub_80E5CF4(u16 a)
-{
-    if (a & 0x40)
-        return 2;
-    if (a & 0x80)
-        return 1;
-    if (a & 0x20)
-        return 3;
-    if (a & 0x10)
-        return 4;
-    return 0;
-}
-
-static u8 get_some_collision(u8 direction)
-{
-    s16 x;
-    s16 y;
-    u8 metatitleBehavior;
-    struct MapObject *playerMapObj = &gMapObjects[gPlayerAvatar.mapObjectId];
-
-    x = playerMapObj->coords2.x;
-    y = playerMapObj->coords2.y;
-    MoveCoords(direction, &x, &y);
-    metatitleBehavior = MapGridGetMetatileBehaviorAt(x, y);
-    return sub_80E5DA0(playerMapObj, x, y, direction, metatitleBehavior);
-}
-
-static u8 sub_80E5DA0(struct MapObject *mapObject, s16 x, s16 y, u8 direction, u8 metatitleBehavior)
-{
-    u8 collision = CheckForFieldObjectCollision(mapObject, x, y, direction, metatitleBehavior);
-
-    if (collision > 4)
-        return collision;
-
-    if (collision == 0 && IsRunningDisallowedByMetatile(metatitleBehavior))
-        collision = 2;
-
-    if (collision)
-        sub_80E5E4C();
-
-    return collision;
-}
-
-bool8 IsRunningDisallowed(u8 tile)
-{
-    if (IsRunningDisallowedByMetatile(tile) != FALSE || gMapHeader.mapType == MAP_TYPE_INDOOR)
-        return TRUE;
-    else
-        return FALSE;
-}
-
-static bool8 IsRunningDisallowedByMetatile(u8 tile)
-{
-    if (MetatileBehavior_IsRunningDisallowed(tile))
-        return TRUE;
-    if (MetatileBehavior_IsFortreeBridge(tile) && (PlayerGetZCoord() & 1) == 0)
-        return TRUE;
-    return FALSE;
-}
-
-static void sub_80E5E4C(void)
-{
-    if (gUnknown_02039250 != 0 && gUnknown_02039251 < 100)
-        gUnknown_02039251++;
-}
-
-static bool8 CanBikeFaceDirOnMetatile(u8 direction, u8 tile)
-{
-    if (direction == DIR_EAST || direction == DIR_WEST)
-    {
-        //Bike cannot face east or west on a vertical rail
-        if (MetatileBehavior_IsIsolatedVerticalRail(tile)
-         || MetatileBehavior_IsVerticalRail(tile))
-            return FALSE;
-    }
-    else
-    {
-        //Bike cannot face north or south on a horizontal rail
-        if (MetatileBehavior_IsIsolatedHorizontalRail(tile)
-         || MetatileBehavior_IsHorizontalRail(tile))
-            return FALSE;
-    }
-    return TRUE;
-}
-
-static bool8 sub_80E5EC0(u8 var1, u8 direction)
-{
-    if (direction == DIR_NORTH || direction == DIR_SOUTH)
-    {
-        if (var1 == 10 || var1 == 12)
-            return FALSE;
-    }
-    else if (var1 == 11 || var1 == 13)
-    {
-        return FALSE;
-    }
-
-    return TRUE;
-}
-
-bool8 IsBikingDisallowedByPlayer(void)
-{
-    s16 x, y;
-    u8 tileBehavior;
-
-    if (!(gPlayerAvatar.flags & (PLAYER_AVATAR_FLAG_SURFING | PLAYER_AVATAR_FLAG_4)))
-    {
-        PlayerGetDestCoords(&x, &y);
-        tileBehavior = MapGridGetMetatileBehaviorAt(x, y);
-        if (!IsRunningDisallowedByMetatile(tileBehavior))
-            return FALSE;
-    }
-    return TRUE;
-}
-
-bool8 player_should_look_direction_be_enforced_upon_movement(void)
-{
-    if (TestPlayerAvatarFlags(PLAYER_AVATAR_FLAG_ACRO_BIKE) != FALSE && MetatileBehavior_IsBumpySlope(gMapObjects[gPlayerAvatar.mapObjectId].mapobj_unk_1E) != FALSE)
-        return FALSE;
-    else
-        return TRUE;
-}
-
-void GetOnOffBike(u8 var)
-{
-    gUnknown_0202E854 = 0;
-
-    if (gPlayerAvatar.flags & (PLAYER_AVATAR_FLAG_MACH_BIKE | PLAYER_AVATAR_FLAG_ACRO_BIKE))
-    {
-        SetPlayerAvatarTransitionFlags(PLAYER_AVATAR_FLAG_ON_FOOT);
-        sav1_reset_battle_music_maybe();
-        sub_8053E90();
-    }
-    else
-    {
-        SetPlayerAvatarTransitionFlags(var);
-        sav1_set_battle_music_maybe(BGM_CYCLING);
-        sub_8053FB0(BGM_CYCLING);
-    }
-}
-
-void BikeClearState(int var1, int var2)
-{
-    u8 i;
-
-    gPlayerAvatar.acroBikeState = ACRO_STATE_NORMAL;
-    gPlayerAvatar.unk9 = 0;
-    gPlayerAvatar.bikeFrameCounter = 0;
-    gPlayerAvatar.unkB = 0;
-    gPlayerAvatar.unkC = var1;
-    gPlayerAvatar.unk10 = var2;
-
-    for (i = 0; i < 8; i++)
-        gPlayerAvatar.unk14[i] = 0;
-
-    for (i = 0; i < 8; i++)
-        gPlayerAvatar.unk1C[i] = 0;
-}
-
-void sub_80E6010(u8 var)
-{
-    gPlayerAvatar.bikeFrameCounter = var;
-    gPlayerAvatar.unkB = gPlayerAvatar.bikeFrameCounter + (gPlayerAvatar.bikeFrameCounter >> 1); // lazy way of multiplying by 1.5.
-}
-
-static void sub_80E6024(void)
-{
-    gPlayerAvatar.bikeFrameCounter = 0;
-    gPlayerAvatar.unkB = 0;
-}
-
-s16 GetPlayerSpeed(void)
-{
-    // because the player pressed a direction, it won't ever return a speed of 0 since this function returns the player's current speed.
-    s16 machSpeeds[3];
-
-    memcpy(machSpeeds, gMachBikeSpeeds, sizeof(machSpeeds));
-
-    if (gPlayerAvatar.flags & PLAYER_AVATAR_FLAG_MACH_BIKE)
-        return machSpeeds[gPlayerAvatar.bikeFrameCounter];
-    else if (gPlayerAvatar.flags & PLAYER_AVATAR_FLAG_ACRO_BIKE)
-        return SPEED_FASTER;
-    else if (gPlayerAvatar.flags & (PLAYER_AVATAR_FLAG_SURFING | PLAYER_AVATAR_FLAG_DASH))
-        return SPEED_FAST;
-    else
-        return SPEED_NORMAL;
-}
-
-void sub_80E6084(void)
-{
-    s16 x, y;
-    u8 tileBehavior;
-
-    if (gPlayerAvatar.flags & PLAYER_AVATAR_FLAG_ACRO_BIKE)
-    {
-        PlayerGetDestCoords(&x, &y);
-        tileBehavior = MapGridGetMetatileBehaviorAt(x, y);
-        if (MetatileBehavior_IsBumpySlope(tileBehavior))
-        {
-            gPlayerAvatar.acroBikeState = ACRO_STATE_WHEELIE_STANDING;
-            sub_8059C94(player_get_direction_upper_nybble());
-        }
-    }
-}