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/**
* @file fallingBoulder.c
* @ingroup Enemies
*
* @brief Falling Boulder enemy
*/
#include "enemy.h"
#include "room.h"
#include "player.h"
#include "physics.h"
typedef struct {
/*0x00*/ Entity base;
/*0x68*/ u8 unused1[18];
/*0x7a*/ u16 unk_7a;
/*0x7c*/ u16 unk_7c;
/*0x7e*/ u16 unk_7e;
/*0x80*/ u16 unk_80;
/*0x82*/ u16 unk_82;
/*0x84*/ u32 unk_84;
} FallingBoulderEntity;
void sub_0802C4B0(FallingBoulderEntity* this);
void sub_0802C62C(FallingBoulderEntity* this);
extern void (*const FallingBoulder_Functions[])(FallingBoulderEntity*);
extern void (*const gUnk_080CD558[])(FallingBoulderEntity*);
extern const u16 gUnk_080CD568[];
extern const u8 gUnk_080CD580[];
extern const s16 gUnk_080CD58C[];
void FallingBoulder(FallingBoulderEntity* this) {
EnemyFunctionHandler(super, (EntityActionArray)FallingBoulder_Functions);
}
void FallingBoulder_OnTick(FallingBoulderEntity* this) {
gUnk_080CD558[super->action](this);
}
void FallingBoulder_OnCollision(FallingBoulderEntity* this) {
/* ... */
}
void FallingBoulder_OnGrabbed(FallingBoulderEntity* this) {
/* ... */
}
void sub_0802C258(FallingBoulderEntity* this) {
sub_0804A720(super);
super->zVelocity = Q_16_16(2.0);
super->timer = 2;
this->unk_7a = Random() & 0x70;
switch (super->type) {
case 1:
this->unk_7a |= 0x100;
break;
case 2:
this->unk_7a |= 0x200;
break;
}
this->unk_80 = super->x.HALF.HI;
this->unk_82 = super->y.HALF.HI;
super->z.HALF.HI = -0x10;
super->collisionLayer = 3;
super->spriteRendering.b3 = 1;
super->spritePriority.b0 = 2;
this->unk_7c = 0;
this->unk_7e = COORD_TO_TILE(super);
sub_0802C62C(this);
sub_0802C4B0(this);
}
void sub_0802C318(FallingBoulderEntity* this) {
if (--this->unk_7a == 0) {
super->action = 2;
}
}
void sub_0802C334(FallingBoulderEntity* this) {
Entity* entity;
u32 roomOriginY, tmp;
s32 y, i;
if (this->unk_7c == 0) {
roomOriginY = gRoomControls.origin_y;
entity = &gPlayerEntity.base;
if (entity == NULL)
return;
tmp = entity->y.HALF.HI;
if (0x38 >= tmp - roomOriginY)
return;
this->unk_7c = 1;
super->spriteSettings.draw = 1;
}
GetNextFrame(super);
this->unk_7e = COORD_TO_TILE(super);
if (BounceUpdate(super, this->unk_84) == BOUNCE_INIT_NEXT) {
EnqueueSFX(0x14c);
COLLISION_ON(super);
this->unk_7a = 12;
sub_0802C4B0(this);
} else {
if (this->unk_7a) {
switch (--this->unk_7a) {
case 0:
COLLISION_OFF(super);
break;
case 8:
if (super->type2 != 0 && !sub_08049FA0(super)) {
for (i = 0; i < 2; i++) {
entity = CreateFx(super, FX_ROCK2, 0);
if (entity) {
entity->x.HALF.HI += 12 - i * 0x18;
}
}
sub_0802C62C(this);
this->unk_7a = (Random() & 0xff) | 0x100;
return;
}
break;
}
}
roomOriginY = gRoomControls.origin_y;
tmp = gRoomControls.height;
y = roomOriginY + tmp - super->y.HALF.HI;
if (y >= 5) {
ProcessMovement1(super);
} else {
LinearMoveUpdate(super);
if (super->z.HALF.HI - y > 0x38) {
sub_0802C62C(this);
this->unk_7a = (Random() & 0x7f) | 0x80;
if (super->type == 3) {
super->action = 3;
}
}
}
}
super->collisionLayer = 3;
super->spritePriority.b0 = 1;
UpdateSpriteForCollisionLayer(super);
}
void nullsub_148(FallingBoulderEntity* this) {
/* ... */
}
void sub_0802C4B0(FallingBoulderEntity* this) {
u32 offset;
u32 index;
u32 rand;
switch (GetTileIndex(this->unk_7e, super->collisionLayer)) {
case 0x1ab ... 0x1af:
offset = 8;
break;
case 0x1c4:
offset = 4;
break;
default:
offset = 0;
break;
}
rand = Random() & 7;
if (rand & 4) {
if (rand & 3) {
super->speed = gUnk_080CD568[offset | 2];
} else {
super->speed = gUnk_080CD568[offset | 0];
}
} else {
if (rand & 3) {
super->speed = gUnk_080CD568[offset | 1];
} else {
super->speed = gUnk_080CD568[offset | 3];
}
}
rand = Random() & 7;
if (rand & 4) {
if (super->timer != 0) {
super->timer = 0;
InitializeAnimation(super, 0);
}
if (rand & 3) {
super->direction = gUnk_080CD580[offset | 1];
} else {
super->direction = gUnk_080CD580[offset | 0];
}
} else {
if (super->timer != 1) {
super->timer = 1;
InitializeAnimation(super, 1);
}
if (rand & 3) {
super->direction = gUnk_080CD580[offset | 2];
} else {
super->direction = gUnk_080CD580[offset | 3];
}
}
rand = Random() & 7;
super->zVelocity = Q_16_16(2.0);
if (rand & 4) {
if (rand & 3) {
this->unk_84 = gUnk_080CD58C[offset | 1];
} else {
this->unk_84 = gUnk_080CD58C[offset | 3];
}
} else {
if (rand & 3) {
this->unk_84 = gUnk_080CD58C[offset | 2];
} else {
this->unk_84 = gUnk_080CD58C[offset | 0];
}
}
}
void sub_0802C62C(FallingBoulderEntity* this) {
super->action = 1;
super->y.HALF.HI = this->unk_82;
super->x.HALF.HI = this->unk_80;
super->spriteSettings.draw = 0;
COLLISION_OFF(super);
this->unk_7c = 0;
}
// clang-format off
void (*const FallingBoulder_Functions[])(FallingBoulderEntity*) = {
FallingBoulder_OnTick,
FallingBoulder_OnCollision,
(void (*)(FallingBoulderEntity*))GenericKnockback,
(void (*)(FallingBoulderEntity*))GenericDeath,
(void (*)(FallingBoulderEntity*))GenericConfused,
FallingBoulder_OnGrabbed,
};
void (*const gUnk_080CD558[])(FallingBoulderEntity*) = {
sub_0802C258,
sub_0802C318,
sub_0802C334,
nullsub_148,
};
const u16 gUnk_080CD568[] = {
0x80, 0x100, 0x180, 0x200,
0x80, 0x100, 0x180, 0x200,
0x100, 0x200, 0x300, 0x400,
};
const u8 gUnk_080CD580[] = {
10, 14, 18, 22,
10, 14, 18, 22,
10, 14, 18, 22,
};
const s16 gUnk_080CD58C[] = {
0x1800, 0x2000, 0x2800, 0x3000,
0x1800, 0x2000, 0x2800, 0x3000,
0x1800, 0x2000, 0x2800, 0x3000,
};
// clang-format on
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