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Merge pull request #277 from atasro2/player_field_avatar

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decompile a portion of field_player_avatar.s
This commit is contained in:
Diegoisawesome 2018-08-12 12:09:09 -07:00 committed by GitHub
commit 6bb761a711
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GPG Key ID: 4AEE18F83AFDEB23
7 changed files with 605 additions and 1331 deletions
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1274
asm/field_player_avatar.s
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File diff suppressed because it is too large Load Diff

58
data/field_player_avatar.s
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@ -6,63 +6,6 @@
.section .rodata .section .rodata
.align 2, 0 .align 2, 0
gUnknown_084973FC:: @ 84973FC
.4byte MetatileBehavior_IsTrickHouseSlipperyFloor
.4byte MetatileBehavior_IsIce_2
.4byte MetatileBehavior_IsWalkSouth
.4byte MetatileBehavior_IsWalkNorth
.4byte MetatileBehavior_IsWalkWest
.4byte MetatileBehavior_IsWalkEast
.4byte MetatileBehavior_IsSouthwardCurrent
.4byte MetatileBehavior_IsNorthwardCurrent
.4byte MetatileBehavior_IsWestwardCurrent
.4byte MetatileBehavior_IsEastwardCurrent
.4byte MetatileBehavior_IsSlideSouth
.4byte MetatileBehavior_IsSlideNorth
.4byte MetatileBehavior_IsSlideWest
.4byte MetatileBehavior_IsSlideEast
.4byte MetatileBehavior_IsWaterfall
.4byte MetatileBehavior_IsSecretBaseJumpMat
.4byte MetatileBehavior_IsSecretBaseSpinMat
.4byte MetatileBehavior_IsMuddySlope
gUnknown_08497444:: @ 8497444
.4byte ForcedMovement_None
.4byte ForcedMovement_Slip
.4byte ForcedMovement_Slip
.4byte ForcedMovement_WalkSouth
.4byte ForcedMovement_WalkNorth
.4byte ForcedMovement_WalkWest
.4byte ForcedMovement_WalkEast
.4byte ForcedMovement_PushedSouthByCurrent
.4byte ForcedMovement_PushedNorthByCurrent
.4byte ForcedMovement_PushedWestByCurrent
.4byte ForcedMovement_PushedEastByCurrent
.4byte ForcedMovement_SlideSouth
.4byte ForcedMovement_SlideNorth
.4byte ForcedMovement_SlideWest
.4byte ForcedMovement_SlideEast
.4byte ForcedMovement_PushedSouthByCurrent
.4byte ForcedMovement_0xBB
.4byte ForcedMovement_0xBC
.4byte ForcedMovement_MuddySlope
gUnknown_08497490:: @ 8497490
.4byte PlayerNotOnBikeNotMoving
.4byte PlayerNotOnBikeTurningInPlace
.4byte PlayerNotOnBikeMoving
gUnknown_0849749C:: @ 849749C
.4byte MetatileBehavior_IsBumpySlope
.4byte MetatileBehavior_IsIsolatedVerticalRail
.4byte MetatileBehavior_IsIsolatedHorizontalRail
.4byte MetatileBehavior_IsVerticalRail
.4byte MetatileBehavior_IsHorizontalRail
gUnknown_084974B0:: @ 84974B0
.byte 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x00, 0x00, 0x00
gUnknown_084974B8:: @ 84974B8 gUnknown_084974B8:: @ 84974B8
.4byte PlayerAvatarTransition_Normal .4byte PlayerAvatarTransition_Normal
.4byte PlayerAvatarTransition_MachBike .4byte PlayerAvatarTransition_MachBike
@ -158,4 +101,3 @@ gUnknown_084975B0:: @ 84975B0
gUnknown_084975BC:: @ 84975BC gUnknown_084975BC:: @ 84975BC
.byte 0x01, 0x03, 0x04, 0x02, 0x01, 0x00, 0x00, 0x00 .byte 0x01, 0x03, 0x04, 0x02, 0x01, 0x00, 0x00, 0x00

2
include/event_object_movement.h
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@ -146,6 +146,7 @@ u8 GetJumpInPlaceMovementAction(u32);
bool8 EventObjectSetHeldMovement(struct EventObject *eventObject, u8 specialAnimId); bool8 EventObjectSetHeldMovement(struct EventObject *eventObject, u8 specialAnimId);
bool8 EventObjectIsMovementOverridden(struct EventObject *eventObject); bool8 EventObjectIsMovementOverridden(struct EventObject *eventObject);
u8 EventObjectCheckHeldMovementStatus(struct EventObject *eventObject); u8 EventObjectCheckHeldMovementStatus(struct EventObject *eventObject);
u8 EventObjectGetHeldMovementActionId(struct EventObject *eventObject);
void TryOverrideTemplateCoordsForEventObject(const struct EventObject *eventObject, u8 movementType); void TryOverrideTemplateCoordsForEventObject(const struct EventObject *eventObject, u8 movementType);
void OverrideTemplateCoordsForEventObject(const struct EventObject *eventObject); void OverrideTemplateCoordsForEventObject(const struct EventObject *eventObject);
void ShiftStillEventObjectCoords(struct EventObject *pObject); void ShiftStillEventObjectCoords(struct EventObject *pObject);
@ -185,6 +186,7 @@ bool8 FreezeEventObject(struct EventObject *eventObject);
u8 GetMoveDirectionFastAnimNum(u8); u8 GetMoveDirectionFastAnimNum(u8);
u8 GetMoveDirectionFasterAnimNum(u8); u8 GetMoveDirectionFasterAnimNum(u8);
u8 GetMoveDirectionFastestAnimNum(u8); u8 GetMoveDirectionFastestAnimNum(u8);
u8 GetLedgeJumpDirection(s16, s16, u8);
void CameraObjectSetFollowedObjectId(u8 objectId); void CameraObjectSetFollowedObjectId(u8 objectId);
void MovementType_None(struct Sprite *); void MovementType_None(struct Sprite *);

18
include/field_player_avatar.h
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@ -45,4 +45,22 @@ void SetPlayerAvatarStateMask(u8 a);
u8 GetPlayerAvatarGraphicsIdByStateId(u8 a); u8 GetPlayerAvatarGraphicsIdByStateId(u8 a);
u8 GetJumpSpecialMovementAction(u32); u8 GetJumpSpecialMovementAction(u32);
bool8 ForcedMovement_None(void);
bool8 ForcedMovement_Slip(void);
bool8 ForcedMovement_WalkSouth(void);
bool8 ForcedMovement_WalkNorth(void);
bool8 ForcedMovement_WalkWest(void);
bool8 ForcedMovement_WalkEast(void);
bool8 ForcedMovement_PushedSouthByCurrent(void);
bool8 ForcedMovement_PushedNorthByCurrent(void);
bool8 ForcedMovement_PushedWestByCurrent(void);
bool8 ForcedMovement_PushedEastByCurrent(void);
bool8 ForcedMovement_SlideSouth(void);
bool8 ForcedMovement_SlideNorth(void);
bool8 ForcedMovement_SlideWest(void);
bool8 ForcedMovement_SlideEast(void);
bool8 ForcedMovement_0xBB(void);
bool8 ForcedMovement_0xBC(void);
bool8 ForcedMovement_MuddySlope(void);
#endif // GUARD_FIELD_PLAYER_AVATAR_H #endif // GUARD_FIELD_PLAYER_AVATAR_H

1
include/rotating_gate.h
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@ -4,5 +4,6 @@
void RotatingGatePuzzleCameraUpdate(s16, s16); void RotatingGatePuzzleCameraUpdate(s16, s16);
void RotatingGate_InitPuzzleAndGraphics(); void RotatingGate_InitPuzzleAndGraphics();
u32 CheckForRotatingGatePuzzleCollision(u8, s16, s16); u32 CheckForRotatingGatePuzzleCollision(u8, s16, s16);
bool32 CheckForRotatingGatePuzzleCollisionWithoutAnimation(u8, s16, s16);
#endif // GUARD_ROTATING_GATE_H #endif // GUARD_ROTATING_GATE_H

2
ld_script.txt
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@ -92,6 +92,7 @@ SECTIONS {
src/metatile_behavior.o(.text); src/metatile_behavior.o(.text);
src/field_camera.o(.text); src/field_camera.o(.text);
src/field_door.o(.text); src/field_door.o(.text);
src/field_player_avatar.o(.text);
asm/field_player_avatar.o(.text); asm/field_player_avatar.o(.text);
src/event_object_movement.o(.text); src/event_object_movement.o(.text);
src/field_message_box.o(.text); src/field_message_box.o(.text);
@ -400,6 +401,7 @@ SECTIONS {
src/fieldmap.o(.rodata); src/fieldmap.o(.rodata);
src/metatile_behavior.o(.rodata); src/metatile_behavior.o(.rodata);
src/field_door.o(.rodata); src/field_door.o(.rodata);
src/field_player_avatar.o(.rodata);
data/field_player_avatar.o(.rodata); data/field_player_avatar.o(.rodata);
src/event_object_movement.o(.rodata); src/event_object_movement.o(.rodata);
src/text_window.o(.rodata); src/text_window.o(.rodata);

581
src/field_player_avatar.c Normal file
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@ -0,0 +1,581 @@
#include "global.h"
#include "global.fieldmap.h"
#include "sprite.h"
#include "event_object_movement.h"
#include "bike.h"
#include "metatile_behavior.h"
#include "metatile_behaviors.h"
#include "constants/flags.h"
#include "event_data.h"
#include "fieldmap.h"
#include "overworld.h"
#include "rotating_gate.h"
#include "constants/event_object_movement_constants.h"
#include "field_player_avatar.h"
extern void task_add_bump_boulder(u8, u8);
static bool8 ShouldJumpLedge(s16, s16, u8);
static bool8 sub_808B1BC(s16, s16, u8);
static u8 sub_808B164(struct EventObject *, s16, s16, u8, u8);
static u8 sub_808B238(s16, s16, u8);
static void check_acro_bike_metatile(s16, s16, u8, u8 *);
extern void PlayerNotOnBikeCollide(u8);
extern void PlayerNotOnBikeCollideWithFarawayIslandMew(u8);
extern void PlayerRun(u8);
static void MovePlayerNotOnBike(u8, u16);
static u8 CheckMovementInputNotOnBike(u8);
extern void sub_808C5B0(void);
extern void sub_808C4D8(void);
static u8 CheckForPlayerAvatarCollision(u8);
static u8 EventObjectCB2_NoMovement2();
extern void sub_808C280(struct EventObject *);
static bool8 TryInterruptEventObjectSpecialAnim(struct EventObject *, u8);
void npc_clear_strange_bits(struct EventObject *);
extern void DoPlayerAvatarTransition(void);
static bool8 TryDoMetatileBehaviorForcedMovement();
static void MovePlayerAvatarUsingKeypadInput(u8, u16, u16);
static void PlayerAllowForcedMovementIfMovingSameDirection();
static u8 sub_808B028(u8);
static u8 GetForcedMovementByMetatileBehavior();
static void PlayerNotOnBikeNotMoving(u8, u16);
static void PlayerNotOnBikeTurningInPlace(u8, u16);
static void PlayerNotOnBikeMoving(u8, u16);
extern void sub_808C750(u8);
static bool8 (*const gUnknown_084973FC[])(u8) =
{
MetatileBehavior_IsTrickHouseSlipperyFloor,
MetatileBehavior_IsIce_2,
MetatileBehavior_IsWalkSouth,
MetatileBehavior_IsWalkNorth,
MetatileBehavior_IsWalkWest,
MetatileBehavior_IsWalkEast,
MetatileBehavior_IsSouthwardCurrent,
MetatileBehavior_IsNorthwardCurrent,
MetatileBehavior_IsWestwardCurrent,
MetatileBehavior_IsEastwardCurrent,
MetatileBehavior_IsSlideSouth,
MetatileBehavior_IsSlideNorth,
MetatileBehavior_IsSlideWest,
MetatileBehavior_IsSlideEast,
MetatileBehavior_IsWaterfall,
MetatileBehavior_IsSecretBaseJumpMat,
MetatileBehavior_IsSecretBaseSpinMat,
MetatileBehavior_IsMuddySlope,
};
static bool8 (*const gUnknown_08497444[])(void) =
{
ForcedMovement_None,
ForcedMovement_Slip,
ForcedMovement_Slip,
ForcedMovement_WalkSouth,
ForcedMovement_WalkNorth,
ForcedMovement_WalkWest,
ForcedMovement_WalkEast,
ForcedMovement_PushedSouthByCurrent,
ForcedMovement_PushedNorthByCurrent,
ForcedMovement_PushedWestByCurrent,
ForcedMovement_PushedEastByCurrent,
ForcedMovement_SlideSouth,
ForcedMovement_SlideNorth,
ForcedMovement_SlideWest,
ForcedMovement_SlideEast,
ForcedMovement_PushedSouthByCurrent,
ForcedMovement_0xBB,
ForcedMovement_0xBC,
ForcedMovement_MuddySlope,
};
static void (*const gUnknown_08497490[])(u8, u16) =
{
PlayerNotOnBikeNotMoving,
PlayerNotOnBikeTurningInPlace,
PlayerNotOnBikeMoving,
};
static bool8 (*const gUnknown_0849749C[])(u8) =
{
MetatileBehavior_IsBumpySlope,
MetatileBehavior_IsIsolatedVerticalRail,
MetatileBehavior_IsIsolatedHorizontalRail,
MetatileBehavior_IsVerticalRail,
MetatileBehavior_IsHorizontalRail,
};
static const u8 gUnknown_084974B0[] = {9, 10, 11, 12, 13, 0, 0, 0};
void MovementType_Player(struct Sprite *sprite)
{
UpdateEventObjectCurrentMovement(&gEventObjects[sprite->data[0]], sprite, EventObjectCB2_NoMovement2);
}
static u8 EventObjectCB2_NoMovement2()
{
return 0;
}
void player_step(u8 direction, u16 newKeys, u16 heldKeys)
{
struct EventObject *playerEventObj = &gEventObjects[gPlayerAvatar.eventObjectId];
sub_808C280(playerEventObj);
if (gPlayerAvatar.preventStep == FALSE)
{
Bike_TryAcroBikeHistoryUpdate(newKeys, heldKeys);
if (TryInterruptEventObjectSpecialAnim(playerEventObj, direction) == 0)
{
npc_clear_strange_bits(playerEventObj);
DoPlayerAvatarTransition();
if (TryDoMetatileBehaviorForcedMovement() == 0)
{
MovePlayerAvatarUsingKeypadInput(direction, newKeys, heldKeys);
PlayerAllowForcedMovementIfMovingSameDirection();
}
}
}
}
static bool8 TryInterruptEventObjectSpecialAnim(struct EventObject *playerEventObj, u8 direction)
{
#ifdef NONMATCHING
u8 r5 = direction;
u8 r6 = direction;
#else
u8 r5 = direction;
register u8 r6 asm("r6") = direction;
#endif
//a very bad HACK
if (EventObjectIsMovementOverridden(playerEventObj)
&& !EventObjectClearHeldMovementIfFinished(playerEventObj))
{
u8 heldMovementActionId = EventObjectGetHeldMovementActionId(playerEventObj);
if (heldMovementActionId > MOVEMENT_ACTION_WALK_FAST_RIGHT && heldMovementActionId < MOVEMENT_ACTION_WALK_IN_PLACE_NORMAL_DOWN)
{
if (direction == DIR_NONE)
{
return TRUE;
}
if (playerEventObj->movementDirection != r5)
{
EventObjectClearHeldMovement(playerEventObj);
return FALSE;
}
if (!sub_808B028(r6))
{
EventObjectClearHeldMovement(playerEventObj);
return FALSE;
}
}
return TRUE;
}
return FALSE;
}
void npc_clear_strange_bits(struct EventObject *eventObj)
{
eventObj->inanimate = 0;
eventObj->disableAnim = 0;
eventObj->facingDirectionLocked = 0;
gPlayerAvatar.flags &= ~PLAYER_AVATAR_FLAG_DASH;
}
static void MovePlayerAvatarUsingKeypadInput(u8 direction, u16 newKeys, u16 heldKeys)
{
if ((gPlayerAvatar.flags & PLAYER_AVATAR_FLAG_MACH_BIKE)
|| (gPlayerAvatar.flags & PLAYER_AVATAR_FLAG_ACRO_BIKE))
MovePlayerOnBike(direction, newKeys, heldKeys);
else
MovePlayerNotOnBike(direction, heldKeys);
}
static void PlayerAllowForcedMovementIfMovingSameDirection(void)
{
if (gPlayerAvatar.runningState == MOVING)
gPlayerAvatar.flags &= ~PLAYER_AVATAR_FLAG_5;
}
static bool8 TryDoMetatileBehaviorForcedMovement()
{
return gUnknown_08497444[GetForcedMovementByMetatileBehavior()]();
}
static u8 GetForcedMovementByMetatileBehavior(void)
{
u8 i;
if (!(gPlayerAvatar.flags & PLAYER_AVATAR_FLAG_5))
{
u8 metatileBehavior = gEventObjects[gPlayerAvatar.eventObjectId].currentMetatileBehavior;
for (i = 0; i < 18; i++)
{
if (gUnknown_084973FC[i](metatileBehavior))
return i + 1;
}
}
return 0;
}
bool8 ForcedMovement_None(void)
{
if (gPlayerAvatar.flags & PLAYER_AVATAR_FLAG_6)
{
struct EventObject *playerEventObj = &gEventObjects[gPlayerAvatar.eventObjectId];
playerEventObj->facingDirectionLocked = 0;
playerEventObj->enableAnim = 1;
SetEventObjectDirection(playerEventObj, playerEventObj->facingDirection);
gPlayerAvatar.flags &= ~PLAYER_AVATAR_FLAG_6;
}
return FALSE;
}
static u8 DoForcedMovement(u8 direction, void (*b)(u8))
{
struct PlayerAvatar *playerAvatar = &gPlayerAvatar;
u8 collisionType = CheckForPlayerAvatarCollision(direction);
playerAvatar->flags |= PLAYER_AVATAR_FLAG_6;
if (collisionType != 0)
{
ForcedMovement_None();
if (collisionType <= 4)
{
return 0;
}
else
{
if (collisionType == COLLISION_LEDGE_JUMP)
PlayerJumpLedge(direction);
playerAvatar->flags |= PLAYER_AVATAR_FLAG_6;
playerAvatar->runningState = MOVING;
return 1;
}
}
else
{
playerAvatar->runningState = MOVING;
b(direction);
return 1;
}
}
u8 DoForcedMovementInCurrentDirection(void (*a)(u8))
{
struct EventObject *playerEventObj = &gEventObjects[gPlayerAvatar.eventObjectId];
playerEventObj->disableAnim = 1;
return DoForcedMovement(playerEventObj->movementDirection, a);
}
bool8 ForcedMovement_Slip(void)
{
return DoForcedMovementInCurrentDirection(PlayerGoSpeed2);
}
bool8 ForcedMovement_WalkSouth(void)
{
return DoForcedMovement(DIR_SOUTH, PlayerGoSpeed1);
}
bool8 ForcedMovement_WalkNorth(void)
{
return DoForcedMovement(DIR_NORTH, PlayerGoSpeed1);
}
bool8 ForcedMovement_WalkWest(void)
{
return DoForcedMovement(DIR_WEST, PlayerGoSpeed1);
}
bool8 ForcedMovement_WalkEast(void)
{
return DoForcedMovement(DIR_EAST, PlayerGoSpeed1);
}
bool8 ForcedMovement_PushedSouthByCurrent(void)
{
return DoForcedMovement(DIR_SOUTH, PlayerGoSpeed3);
}
bool8 ForcedMovement_PushedNorthByCurrent(void)
{
return DoForcedMovement(DIR_NORTH, PlayerGoSpeed3);
}
bool8 ForcedMovement_PushedWestByCurrent(void)
{
return DoForcedMovement(DIR_WEST, PlayerGoSpeed3);
}
bool8 ForcedMovement_PushedEastByCurrent(void)
{
return DoForcedMovement(DIR_EAST, PlayerGoSpeed3);
}
u8 ForcedMovement_Slide(u8 direction, void (*b)(u8))
{
struct EventObject *playerEventObj = &gEventObjects[gPlayerAvatar.eventObjectId];
playerEventObj->disableAnim = 1;
playerEventObj->facingDirectionLocked = 1;
return DoForcedMovement(direction, b);
}
bool8 ForcedMovement_SlideSouth(void)
{
return ForcedMovement_Slide(DIR_SOUTH, PlayerGoSpeed2);
}
bool8 ForcedMovement_SlideNorth(void)
{
return ForcedMovement_Slide(DIR_NORTH, PlayerGoSpeed2);
}
bool8 ForcedMovement_SlideWest(void)
{
return ForcedMovement_Slide(DIR_WEST, PlayerGoSpeed2);
}
bool8 ForcedMovement_SlideEast(void)
{
return ForcedMovement_Slide(DIR_EAST, PlayerGoSpeed2);
}
bool8 ForcedMovement_0xBB(void)
{
sub_808C4D8();
return TRUE;
}
bool8 ForcedMovement_0xBC(void)
{
sub_808C5B0();
return TRUE;
}
bool8 ForcedMovement_MuddySlope(void)
{
struct EventObject *playerEventObj = &gEventObjects[gPlayerAvatar.eventObjectId];
if (playerEventObj->movementDirection != DIR_NORTH || GetPlayerSpeed() <= 3)
{
Bike_UpdateBikeCounterSpeed(0);
playerEventObj->facingDirectionLocked = 1;
return DoForcedMovement(1, PlayerGoSpeed2);
}
else
{
return FALSE;
}
}
static void MovePlayerNotOnBike(u8 direction, u16 heldKeys)
{
gUnknown_08497490[CheckMovementInputNotOnBike(direction)](direction, heldKeys);
}
static u8 CheckMovementInputNotOnBike(u8 direction)
{
if (direction == DIR_NONE)
{
gPlayerAvatar.runningState = NOT_MOVING;
return 0;
}
else if (direction != GetPlayerMovementDirection() && gPlayerAvatar.runningState != MOVING)
{
gPlayerAvatar.runningState = TURN_DIRECTION;
return 1;
}
else
{
gPlayerAvatar.runningState = MOVING;
return 2;
}
}
static void PlayerNotOnBikeNotMoving(u8 direction, u16 heldKeys)
{
PlayerFaceDirection(GetPlayerFacingDirection());
}
static void PlayerNotOnBikeTurningInPlace(u8 direction, u16 heldKeys)
{
PlayerTurnInPlace(direction);
}
static void PlayerNotOnBikeMoving(u8 direction, u16 heldKeys)
{
u8 r0 = CheckForPlayerAvatarCollision(direction);
if (r0 != 0)
{
if (r0 == 6)
{
PlayerJumpLedge(direction);
return;
}
else if (r0 == 4 && IsPlayerCollidingWithFarawayIslandMew(direction) != 0)
{
PlayerNotOnBikeCollideWithFarawayIslandMew(direction);
return;
}
else
{
u8 r4 = r0 - 5;
if (r4 > 3)
{
PlayerNotOnBikeCollide(direction);
return;
}
else
{
return;
}
}
}
if (gPlayerAvatar.flags & PLAYER_AVATAR_FLAG_SURFING)
{
// speed 2 is fast, same speed as running
PlayerGoSpeed2(direction);
return;
}
if (!(gPlayerAvatar.flags & PLAYER_AVATAR_FLAG_4) && (heldKeys & B_BUTTON) && FlagGet(FLAG_SYS_B_DASH)
&& IsRunningDisallowed(gEventObjects[gPlayerAvatar.eventObjectId].currentMetatileBehavior) == 0)
{
PlayerRun(direction);
gPlayerAvatar.flags |= PLAYER_AVATAR_FLAG_DASH;
return;
}
else
{
PlayerGoSpeed1(direction);
}
}
static u8 CheckForPlayerAvatarCollision(u8 direction)
{
s16 x, y;
struct EventObject *playerEventObj = &gEventObjects[gPlayerAvatar.eventObjectId];
x = playerEventObj->currentCoords.x;
y = playerEventObj->currentCoords.y;
MoveCoords(direction, &x, &y);
return CheckForEventObjectCollision(playerEventObj, x, y, direction, MapGridGetMetatileBehaviorAt(x, y));
}
static u8 sub_808B028(u8 direction)
{
s16 x, y;
struct EventObject *playerEventObj = &gEventObjects[gPlayerAvatar.eventObjectId];
x = playerEventObj->currentCoords.x;
y = playerEventObj->currentCoords.y;
MoveCoords(direction, &x, &y);
return sub_808B164(playerEventObj, x, y, direction, MapGridGetMetatileBehaviorAt(x, y));
}
u8 CheckForEventObjectCollision(struct EventObject *a, s16 x, s16 y, u8 direction, u8 e)
{
u8 collision;
collision = GetCollisionAtCoords(a, x, y, direction);
if (collision == 3 && sub_808B1BC(x, y, direction))
return 5;
if (ShouldJumpLedge(x, y, direction))
{
IncrementGameStat(GAME_STAT_JUMPED_DOWN_LEDGES);
return COLLISION_LEDGE_JUMP;
}
if (collision == 4 && sub_808B238(x, y, direction))
return 7;
if (collision == 0)
{
if (CheckForRotatingGatePuzzleCollision(direction, x, y))
return 8;
check_acro_bike_metatile(x, y, e, &collision);
}
return collision;
}
static u8 sub_808B164(struct EventObject *a, s16 x, s16 y, u8 direction, u8 e)
{
u8 collision = GetCollisionAtCoords(a, x, y, direction);
if (collision == 0)
{
if (CheckForRotatingGatePuzzleCollisionWithoutAnimation(direction, x, y) != 0)
return 8;
check_acro_bike_metatile(x, y, e, &collision);
}
return collision;
}
static bool8 sub_808B1BC(s16 x, s16 y, u8 direction)
{
if ((gPlayerAvatar.flags & PLAYER_AVATAR_FLAG_SURFING)
&& MapGridGetZCoordAt(x, y) == 3
&& GetEventObjectIdByXYZ(x, y, 3) == 16)
{
sub_808C750(direction);
return TRUE;
}
else
{
return FALSE;
}
}
static bool8 ShouldJumpLedge(s16 x, s16 y, u8 z)
{
if (GetLedgeJumpDirection(x, y, z) != 0)
return TRUE;
else
return FALSE;
}
static u8 sub_808B238(s16 x, s16 y, u8 direction)
{
if (FlagGet(FLAG_SYS_USE_STRENGTH))
{
u8 eventObjectId = GetEventObjectIdByXY(x, y);
if (eventObjectId != 16 && gEventObjects[eventObjectId].graphicsId == 0x57)
{
x = gEventObjects[eventObjectId].currentCoords.x;
y = gEventObjects[eventObjectId].currentCoords.y;
MoveCoords(direction, &x, &y);
if (GetCollisionAtCoords(&gEventObjects[eventObjectId], x, y, direction) == 0
&& MetatileBehavior_IsNonAnimDoor(MapGridGetMetatileBehaviorAt(x, y)) == 0)
{
task_add_bump_boulder(eventObjectId, direction);
return 1;
}
}
}
return 0;
}
static void check_acro_bike_metatile(s16 unused1, s16 unused2, u8 c, u8 *d)
{
u8 i;
for (i = 0; i < 5; i++)
{
if (gUnknown_0849749C[i](c))
{
*d = gUnknown_084974B0[i];
return;
}
}
}