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/**
* @file fireballGuy.c
* @ingroup Enemies
*
* @brief Fireball Guy enemy
*/
#include "enemy.h"
#include "player.h"
#include "physics.h"
#include "asm.h"
typedef struct {
/*0x00*/ Entity base;
/*0x68*/ u8 unused1[28];
/*0x84*/ u8 unk_84;
} FireballGuyEntity;
typedef struct {
s8 h, v;
} PACKED PosOffset;
extern void sub_08045524(FireballGuyEntity*);
void sub_08045178(Entity*, Entity*, int, int);
void FireballGuy_OnTick(FireballGuyEntity*);
void FireballGuy_OnCollision(FireballGuyEntity*);
void FireballGuy_OnGrabbed(FireballGuyEntity*);
void FireballGuy_Init(FireballGuyEntity*);
void FireballGuy_Action1(FireballGuyEntity*);
void FireballGuy_Action2(FireballGuyEntity*);
static void (*const FireballGuy_Functions[])(FireballGuyEntity*) = {
FireballGuy_OnTick,
FireballGuy_OnCollision,
(void (*)(FireballGuyEntity*))GenericKnockback,
(void (*)(FireballGuyEntity*))GenericDeath,
(void (*)(FireballGuyEntity*))GenericConfused,
FireballGuy_OnGrabbed,
};
void FireballGuy(FireballGuyEntity* this) {
EnemyFunctionHandler(super, (EntityActionArray)FireballGuy_Functions);
}
void FireballGuy_OnTick(FireballGuyEntity* this) {
static void (*const FireballGuy_Actions[])(FireballGuyEntity*) = {
FireballGuy_Init,
FireballGuy_Action1,
FireballGuy_Action2,
};
FireballGuy_Actions[super->action](this);
}
void FireballGuy_OnCollision(FireballGuyEntity* this) {
if (super->health && this->unk_84 != super->health) {
super->action = 2;
} else {
EnemyFunctionHandlerAfterCollision(super, FireballGuy_Functions);
}
}
void FireballGuy_OnGrabbed(FireballGuyEntity* this) {
}
void FireballGuy_Init(FireballGuyEntity* this) {
super->action = 1;
super->timer = 0;
super->spriteSettings.draw = 1;
super->speed = 0x80;
this->unk_84 = super->health;
super->collisionFlags |= 0x10;
sub_0804A720(super);
InitializeAnimation(super, 0);
sub_08045524(this);
}
void FireballGuy_Action1(FireballGuyEntity* this) {
ProcessMovement2(super);
GetNextFrame(super);
if (GravityUpdate(super, Q_8_8(24.0)) == 0)
sub_08045524(this);
}
/* Split FireballGuy into new ones */
void FireballGuy_Action2(FireballGuyEntity* this) {
// Entity count per form
static const u8 typeEntityCount[4] = { 2, 3, 4, 5 };
static const PosOffset gUnk_080D1810[4] = { { 6, 0 }, { -6, 0 }, { 0, 6 }, { 0, -6 } };
Entity* entities[4];
Entity* entity;
s32 count, i;
const PosOffset* off;
u32 tmp;
/* Can we create enough new entities? */
count = typeEntityCount[super->type];
if (MAX_ENTITIES - count <= gEntCount)
return;
/* Create 2-5 new MiniFireballGuy */
for (i = 0; i < count; i++)
entities[i] = CreateEnemy(MINI_FIREBALL_GUY, super->type);
off = gUnk_080D1810;
for (i = 0; i < count; i++) {
entity = entities[i];
entity->child = entities[(i + 1) % count];
entity->parent = entities[(i + count - 1) % count];
tmp = 0;
entity->type2 = 1;
entity->z.HALF.HI = tmp;
entity->iframes = -0x10;
/* Set MiniFireballGuy offset relative to killed slime. */
sub_08045178(super, entity, off->h, off->v);
off++;
}
entity = CreateFx(super, FX_DEATH, 0);
if (entity != NULL)
CopyPosition(super, entity);
DeleteEntity(super);
}
u32 sub_0804A024(Entity*, u32, u32);
void sub_08045524(FireballGuyEntity* this) {
u32 tmp, tmp1, tmp2;
super->zVelocity = Q_16_16(1.75);
tmp = sub_0804A024(super, 1, 8);
if (tmp != DIR_NONE && (Random() & 3) == 0) {
super->timer = Random() & 3;
super->direction = DirectionRound(tmp);
} else {
if (super->timer != 0) {
super->timer--;
return;
}
super->timer = Random() & 3;
if (sub_08049FA0(super) == 0 && (Random() & 3)) {
tmp1 = sub_08049EE4(super);
tmp2 = Random() & 8;
tmp2 += 0xfc;
super->direction = DirectionRound(tmp1 + tmp2);
} else {
super->direction = DirectionRound(Random());
}
}
}
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