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/**
* @file leever.c
* @ingroup Enemies
*
* @brief Leever enemy
*/
#include "asm.h"
#include "enemy.h"
#include "physics.h"
#include "tiles.h"
typedef struct {
/*0x00*/ Entity base;
/*0x68*/ u8 unused1[12];
/*0x74*/ u16 unk_74;
} LeeverEntity;
extern Entity* gUnk_020000B0;
bool32 Leever_PlayerInRange(Entity*, s32);
void Leever_Move(LeeverEntity*);
extern void (*const Leever_Functions[])(LeeverEntity*);
extern void (*const gLeeverActions[])(LeeverEntity*);
extern const s8 gLeeverDrift[];
extern const u16 gUnk_080CA4CA[];
enum {
LeeverAnimation_DigUp,
LeeverAnimation_DigDown,
LeeverAnimation_Attack,
};
enum {
LeeverForm_Red,
LeeverForm_Blue,
};
void Leever(LeeverEntity* this) {
EnemyFunctionHandler(super, (EntityActionArray)Leever_Functions);
EnemySetFXOffset(super, 0, 1, -0x10);
}
void Leever_OnTick(LeeverEntity* this) {
gLeeverActions[super->action](this);
}
void Leever_OnCollision(LeeverEntity* this) {
if (super->contactFlags == CONTACT_NOW) {
if (super->action == 3) {
this->unk_74 = 1;
}
} else {
if (super->confusedTime != 0) {
EnemyCreateFX(super, FX_STARS);
}
}
EnemyFunctionHandlerAfterCollision(super, Leever_Functions);
}
void Leever_OnDeath(LeeverEntity* this) {
if (super->type == LeeverForm_Red) {
GenericDeath(super);
} else {
EnemyCreateDeathFX((Enemy*)super, 0xf1, 0);
}
}
void Leever_Initialize(LeeverEntity* this) {
sub_0804A720(super);
super->action = 1;
super->timer = Random();
}
void Leever_Idle(LeeverEntity* this) {
if (--super->timer == 0) {
if (Leever_PlayerInRange(super, Random() & 0x1f)) {
super->action = 2;
super->spriteSettings.draw = TRUE;
super->direction =
(GetFacingDirection(super, gUnk_020000B0) + gLeeverDrift[Random() & 1]) & (0x3 | DirectionNorthWest);
InitializeAnimation(super, LeeverAnimation_DigUp);
UpdateSpriteForCollisionLayer(super);
} else {
super->timer = DirectionRound(Random()) + 8;
}
}
}
void Leever_DigUp(LeeverEntity* this) {
GetNextFrame(super);
if (super->frame & ANIM_DONE) {
super->action = 3;
if (super->type == LeeverForm_Red) {
this->unk_74 = 180;
} else {
this->unk_74 = 110;
}
InitializeAnimation(super, LeeverAnimation_Attack);
} else if ((super->frame & 1) != 0) {
super->frame &= 0xfe;
COLLISION_ON(super);
}
}
void Leever_Attack(LeeverEntity* this) {
Leever_Move(this);
GetNextFrame(super);
if (--this->unk_74 == 0) {
super->action = 4;
COLLISION_OFF(super);
InitializeAnimation(super, LeeverAnimation_DigDown);
}
}
void Leever_DigDown(LeeverEntity* this) {
Leever_Move(this);
GetNextFrame(super);
if (super->frame & ANIM_DONE) {
super->action = 1;
super->timer = 240;
super->spriteSettings.draw = FALSE;
}
}
bool32 sub_0801FDE4(Entity* entity, s32 x, s32 y) {
u32 actTile;
const u16* puVar4;
if (GetCollisionDataAtWorldCoords(x, y, gUnk_020000B0->collisionLayer) != 0) {
return FALSE;
} else {
actTile = GetActTileAtWorldCoords(x, y, gUnk_020000B0->collisionLayer);
for (puVar4 = gUnk_080CA4CA; *puVar4 != (u16)-1;) {
if (*puVar4++ == actTile) {
entity->x.HALF.HI = (x & 0xfff0) + 8;
entity->y.HALF.HI = (y & 0xfff0) + 8;
entity->collisionLayer = gUnk_020000B0->collisionLayer;
return TRUE;
}
}
return FALSE;
}
}
bool32 Leever_PlayerInRange(Entity* entity, s32 arg2) {
s32 sin, cos;
s32 x, y;
u32 i;
if (sub_08049FDC(entity, 1) == 0) {
return 0;
} else {
x = gUnk_020000B0->x.WORD;
y = gUnk_020000B0->y.WORD;
sin = gSineTable[arg2 * 8] << 11;
cos = gSineTable[arg2 * 8 + 0x40] << 11;
for (i = 0; i < 8; i++) {
x += sin;
y += -cos;
if (sub_0801FDE4(entity, x >> 0x10, y >> 0x10) == 0) {
return 0;
}
}
return 1;
}
}
void Leever_Move(LeeverEntity* this) {
if (sub_08049FDC(super, 1) == 0) {
this->unk_74 = 1;
}
super->speed = (super->frame & 0xf) * 0x20;
if (super->type == LeeverForm_Red) {
if ((super->subtimer++ & 0xf) == 0) {
sub_08004596(super, sub_0800132C(super, gUnk_020000B0));
}
} else {
super->speed += 0x40;
if ((super->subtimer++ & 0x7) == 0) {
sub_08004596(super, sub_0800132C(super, gUnk_020000B0));
}
}
ProcessMovement0(super);
}
// clang-format off
void (*const Leever_Functions[])(LeeverEntity*) = {
Leever_OnTick,
Leever_OnCollision,
(void (*)(LeeverEntity*))GenericKnockback,
Leever_OnDeath,
(void (*)(LeeverEntity*))GenericConfused,
Leever_OnTick,
};
void (*const gLeeverActions[])(LeeverEntity*) = {
Leever_Initialize,
Leever_Idle,
Leever_DigUp,
Leever_Attack,
Leever_DigDown,
};
const s8 gLeeverDrift[] = {
6, -6,
};
const u16 gUnk_080CA4CA[] = {
ACT_TILE_10,
ACT_TILE_9,
ACT_TILE_12,
ACT_TILE_11,
0xFFFF,
};
// clang-format on
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