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/**
* @file playerItemGust.c
* @ingroup Items
*
* @brief Gust Player Item
*/
#include "asm.h"
#include "entity.h"
#include "functions.h"
#include "object.h"
#include "player.h"
#include "playeritem.h"
enum {
GUST_INIT,
GUST_UPDATE,
};
typedef struct {
/*0x00*/ Entity base;
/*0x68*/ u32 filler68[2];
/*0x70*/ u32 timer;
/*0x74*/ u32 offset_iter;
/*0x78*/ u32 unk78;
} PlayerItemGustEntity;
typedef void(GustActionFunc)(PlayerItemGustEntity*);
static GustActionFunc PlayerItemGust_Init;
static GustActionFunc PlayerItemGust_Update;
static void sub_080ACC78(PlayerItemGustEntity*);
/*static*/ bool32 sub_080ACDB0(PlayerItemGustEntity*);
static void sub_080ACECC(PlayerItemGustEntity*);
typedef struct {
u16 bits;
u8 type2;
u8 timer;
u8 _4;
u8 type;
u16 tileID;
} Obj11;
Obj11* DoTileInteractionOffset(Entity*, u32, u32, u32);
extern const s8* const sOffsets[];
extern const s8 gUnk_0812AABC[];
extern const Hitbox* const sHitboxes[];
extern const u8 gUnk_0812AAE8[];
extern const s8 gUnk_08126EE4[];
// specifically, the little gusts that come out while the item is active
// type 0: stays close to jar?
// type 1: causes the particles to move away from the jar
// type 2: same as 1?
// type 3: horizontal spread
void PlayerItemGust(Entity* this) {
static GustActionFunc* const PlayerItemGust_Actions[] = {
PlayerItemGust_Init,
PlayerItemGust_Update,
};
if ((gPlayerState.field_0x1c & 0x7f) != 1) {
DeleteThisEntity();
}
PlayerItemGust_Actions[this->action]((PlayerItemGustEntity*)this);
this->iframes = 0;
}
static void PlayerItemGust_Init(PlayerItemGustEntity* this) {
super->action = GUST_UPDATE;
super->collisionMask = gPlayerEntity.base.collisionMask;
super->direction = super->animationState << 2;
super->speed = 0x200;
super->flags |= ENT_COLLIDE | ENT_PERSIST;
super->collisionFlags = 2;
super->hitbox = (Hitbox*)sHitboxes[super->type];
this->timer = 16;
sub_080ACDB0(this);
sub_0801766C(super);
}
static void PlayerItemGust_Update(PlayerItemGustEntity* this) {
if (sub_080ACDB0(this) == FALSE) {
sub_080ACC78(this);
sub_080ACECC(this);
}
}
static void sub_080ACC78(PlayerItemGustEntity* this) {
s32 width;
Obj11* o;
Entity* child;
s32 offset;
const s8* child_offsets;
// this is what makes types 1 and 2 different?
if ((super->type + gRoomTransition.frameCount) & 1) {
child_offsets = sOffsets[super->type];
if (child_offsets[this->offset_iter] == 0) {
this->offset_iter = 0;
}
o = DoTileInteractionOffset(super, 0xe, child_offsets[this->offset_iter], child_offsets[this->offset_iter + 1]);
if (o != NULL) {
child = CreateObject(BUSH, o->type, o->type2);
if (child != NULL) {
child->timer = o->timer;
child->x.HALF.HI = child_offsets[this->offset_iter] + super->x.HALF.HI;
child->y.HALF.HI = child_offsets[this->offset_iter + 1] + super->y.HALF.HI;
}
}
this->offset_iter += 2;
}
if (super->child == NULL && (u32)this->timer > 2) {
this->timer = 1;
}
if (this->timer-- != 0) {
return;
}
if (super->child == NULL) {
this->timer = 2;
} else {
this->timer = gUnk_0812AABC[super->type];
}
child = CreateObject(GUST_JAR_PARTICLE, 0, 0);
if (child == NULL) {
return;
}
offset = Random() % 16;
width = super->hitbox->width;
if (width < offset) {
offset = width;
}
if (offset & 1) {
offset = -offset;
}
switch (super->animationState >> 1) {
case 0:
child->y.HALF.HI = super->y.HALF.HI - super->hitbox->height;
child->x.HALF.HI = super->x.HALF.HI + offset;
break;
case 2:
child->y.HALF.HI = super->y.HALF.HI + super->hitbox->height;
child->x.HALF.HI = super->x.HALF.HI + offset;
break;
case 1:
child->x.HALF.HI = super->x.HALF.HI + super->hitbox->width;
child->y.HALF.HI = super->y.HALF.HI + offset;
break;
case 3:
child->x.HALF.HI = super->x.HALF.HI - super->hitbox->width;
child->y.HALF.HI = super->y.HALF.HI + offset;
break;
}
}
bool32 sub_080ACDB0(PlayerItemGustEntity* this) {
s32 sVar2;
s32 sVar3;
Entity* pEVar4;
u32 uVar6;
u32 uVar7;
u32 tmp;
if (super->type == 0) {
super->x.HALF.HI = gPlayerEntity.base.x.HALF.HI + gUnk_08126EE4[super->animationState];
super->y.HALF.HI = gPlayerEntity.base.y.HALF.HI + gUnk_08126EE4[super->animationState + 1];
} else {
if ((super->animationState & 2) != 0) {
super->y.HALF.HI = super->parent->y.HALF.HI - 3;
tmp = super->animationState & 4;
pEVar4 = super->parent;
if ((tmp) != 0) {
sVar3 = pEVar4->x.HALF.HI;
sVar2 = super->x.HALF.HI;
uVar7 = -(u16)gUnk_0812AAE8[super->type];
} else {
sVar2 = pEVar4->x.HALF.HI;
sVar3 = super->x.HALF.HI;
uVar7 = (u16)gUnk_0812AAE8[super->type];
}
this->unk78 = (s32)sVar3 - (s32)sVar2;
uVar6 = gUnk_0812AAE8[super->type];
if (uVar6 <= this->unk78) {
super->x.HALF.HI = pEVar4->x.HALF.HI + uVar7;
} else {
super->speed = (uVar6 - this->unk78) * 0x100;
if (0x200 < (s32)((uVar6 - this->unk78) * 0x1000000) >> 0x10) {
super->speed = 0x200;
}
ProcessMovement1(super);
}
} else {
super->x.HALF.HI = super->parent->x.HALF.HI;
tmp = super->animationState & 4;
pEVar4 = super->parent;
if ((super->animationState & 4) != 0) {
sVar2 = pEVar4->y.HALF.HI;
sVar3 = super->y.HALF.HI;
uVar7 = gUnk_0812AAE8[super->type];
} else {
sVar3 = pEVar4->y.HALF.HI;
sVar2 = super->y.HALF.HI;
uVar7 = -gUnk_0812AAE8[super->type];
}
this->unk78 = sVar3 - sVar2;
uVar6 = gUnk_0812AAE8[super->type];
if (uVar6 > this->unk78) {
super->speed = (uVar6 - this->unk78) * 0x100;
if (0x200 < (s32)((uVar6 - this->unk78) * 0x1000000) >> 0x10) {
super->speed = 0x200;
}
ProcessMovement1(super);
} else {
super->y.HALF.HI = pEVar4->y.HALF.HI + uVar7;
}
}
}
super->collisionLayer = gPlayerEntity.base.collisionLayer;
return 0;
}
static void sub_080ACECC(PlayerItemGustEntity* this) {
Entity* entity;
if (super->type < 3 && super->child == NULL && (s32)this->unk78 >= 0 && gUnk_0812AAE8[super->type] <= this->unk78) {
entity = CreatePlayerItem(PLAYER_ITEM_GUST, super->type + 1, 0, 0);
if (entity != NULL) {
entity->parent = super;
super->child = entity;
entity->x.HALF.HI = super->x.HALF.HI;
entity->y.HALF.HI = super->y.HALF.HI;
}
}
}
static const s8 sOffsets0[] = {
-4, -4, 4, -4, -4, 4, 4, 4, 0,
};
static const s8 sOffsets1And2[] = {
-5, -5, 5, -5, -5, 5, 5, 5, 0,
};
static const s8 sOffsets3[] = {
-9, -9, 1, -9, 9, -9, -9, 1, 9, 1, -9, 9, 1, 9, 9, 9, 0, 0,
};
static const s8* const sOffsets[] = {
sOffsets0,
sOffsets1And2,
sOffsets1And2,
sOffsets3,
};
static const s8 gUnk_0812AABC[] = {
120,
80,
40,
4,
};
static const Hitbox sHitbox0 = {
0, 0, 4, 2, 2, 4, 4, 4,
};
static const Hitbox sHitbox1And2 = {
0, 0, 4, 3, 3, 4, 9, 9,
};
static const Hitbox sHitbox3 = {
0, 0, 8, 7, 7, 8, 14, 14,
};
static const Hitbox* const sHitboxes[] = {
&sHitbox0,
&sHitbox1And2,
&sHitbox1And2,
&sHitbox3,
};
static const u8 gUnk_0812AAE8[] = {
0,
12,
16,
16,
};
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