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/**
* @file fan.c
* @ingroup Objects
*
* @brief Fan object
*/
#include "collision.h"
#include "entity.h"
#include "flags.h"
#include "asm.h"
#include "object.h"
#include "sound.h"
#include "physics.h"
#include "player.h"
#include "map.h"
typedef struct {
Entity base;
u8 filler[0x4];
u16 unk6c;
u16 unk6e;
u16 unk70;
u16 unk72;
u16 unk74;
u8 filler2[0x8];
u8 unk7e;
u8 unk7f;
u8 filler3[0x4];
u16 fanFlags;
u16 unk86;
} FanEntity;
void sub_0809EFB0(FanEntity*);
void sub_0809EE44(FanEntity*);
void sub_0809F08C(FanEntity*);
void sub_0809EE24(FanEntity*);
void sub_0809EE08(FanEntity*);
void sub_0809EE34(FanEntity*);
void sub_0809F0E4(FanEntity*);
void Fan_Init(FanEntity* this);
void Fan_Action1(FanEntity* this);
void Fan_Action2(FanEntity* this);
void Fan_Action3(FanEntity* this);
bool32 sub_0809EF78(FanEntity*, Entity*);
void Fan(Entity* this) {
static void (*const Fan_Actions[])(FanEntity*) = {
Fan_Init,
Fan_Action1,
Fan_Action2,
Fan_Action3,
};
Fan_Actions[this->action]((FanEntity*)this);
}
void Fan_Init(FanEntity* this) {
super->direction = (super->type ^ 2) << 3;
sub_0809EE34(this);
sub_0809EFB0(this);
InitializeAnimation(super, super->type);
}
void Fan_Action1(FanEntity* this) {
if (((this->fanFlags == 0) || CheckFlags(this->fanFlags)) && ((super->type2 != 1 || (--this->unk74 == 0)))) {
sub_0809EE08(this);
}
}
void Fan_Action2(FanEntity* this) {
sub_0809F08C(this);
sub_0809EE44(this);
if (this->unk86 != 0) {
if (this->fanFlags == this->unk86) {
if (CheckFlags(this->fanFlags)) {
return;
}
} else if (!CheckFlags(this->fanFlags)) {
return;
}
sub_0809EE24(this);
} else if ((super->type2 == 1) && (--this->unk74 == 0)) {
sub_0809EE24(this);
}
}
void Fan_Action3(FanEntity* this) {
sub_0809F08C(this);
sub_0809EE44(this);
if (super->frame & ANIM_DONE) {
sub_0809EE34(this);
}
}
void sub_0809EE08(FanEntity* this) {
super->action = 2;
this->unk74 = this->unk7f << 2;
InitializeAnimation(super, super->type);
}
void sub_0809EE24(FanEntity* this) {
super->action = 3;
InitializeAnimation(super, super->type + 4);
}
void sub_0809EE34(FanEntity* this) {
super->action = 1;
this->unk74 = super->timer << 2;
}
void sub_0809EE44(FanEntity* this) {
Entity* pEVar1;
u32 bVar3;
u32 uVar4;
LinkedList* pList;
uVar4 = (super->frame & 7);
super->speed = this->unk7e << uVar4;
if (uVar4 != 0) {
pEVar1 = &gPlayerEntity.base;
if (sub_0809EF78(this, pEVar1)) {
if (PlayerCanBeMoved()) {
sub_08079E58(super->speed, super->direction);
}
}
pList = &gEntityLists[2];
for (pEVar1 = pList->first; (Entity*)pList != pEVar1; pEVar1 = pEVar1->next) {
if (pEVar1->kind == PLAYER_ITEM) {
bVar3 = 0;
switch (pEVar1->id) {
case 0x13:
if ((pEVar1->action != 2) || (1 < pEVar1->subAction))
bVar3 = 1;
break;
case 0x2:
if (pEVar1->action == 2)
break;
bVar3 = 1;
break;
case 0x3:
if (pEVar1->x.HALF.HI != gPlayerEntity.base.x.HALF.HI ||
pEVar1->y.HALF.HI != gPlayerEntity.base.y.HALF.HI)
bVar3 = 1;
break;
break;
case 0x4:
if (super->subtimer != 0)
bVar3 = 1;
break;
case 0x11:
case 0x19:
bVar3 = 1;
break;
}
if (bVar3) {
if (sub_0809EF78(this, pEVar1) != 0) {
sub_080044AE(pEVar1, super->speed, super->direction);
}
}
}
}
}
}
bool32 sub_0809EF78(FanEntity* this, Entity* ent) {
bool32 rv = 0;
if (((u32)this->unk70 >= ent->x.HALF.HI - this->unk6c) && ((u32)this->unk72 >= ent->y.HALF.HI - this->unk6e)) {
rv = 1;
}
return rv;
}
void sub_0809EFB0(FanEntity* this) {
static const s8 tileTypeOffsets[] = { 0, 16, -16, 0, 0, -16, 16, 0 };
u32 cVar1, cVar2;
s32 sVar4;
int iVar6;
int iVar7;
const u8* collisionData;
cVar1 = tileTypeOffsets[super->type * 2];
cVar2 = tileTypeOffsets[super->type * 2 + 1];
iVar7 = super->x.HALF.HI;
iVar6 = super->y.HALF.HI;
collisionData = gMapBottom.collisionData;
sVar4 = 0;
do {
sVar4++;
iVar7 = iVar7 + cVar1;
iVar6 = iVar6 + cVar2;
} while (!IsTileCollision(collisionData, iVar7, iVar6, 9));
sVar4 = (sVar4 - 1) << 4;
switch (super->type) {
case 0:
this->unk6c = super->x.HALF.HI - 0x10;
this->unk6e = super->y.HALF.HI + 8;
this->unk70 = 0x20;
this->unk72 = sVar4;
break;
case 1:
this->unk6c = super->x.HALF.HI - (sVar4 + 8);
this->unk6e = super->y.HALF.HI - 0x10;
this->unk70 = sVar4;
this->unk72 = 0x20;
break;
case 2:
this->unk6c = super->x.HALF.HI - 0x10;
this->unk6e = super->y.HALF.HI - (sVar4 + 8);
this->unk70 = 0x20;
this->unk72 = sVar4;
break;
case 3:
this->unk6c = super->x.HALF.HI + 8;
this->unk6e = super->y.HALF.HI - 0x10;
this->unk70 = sVar4;
this->unk72 = 0x20;
break;
}
}
void sub_0809F08C(FanEntity* this) {
if (super->subtimer != 0) {
super->subtimer--;
}
GetNextFrame(super);
if (super->frame & 0x20) {
super->frame &= ~0x20;
super->subtimer = 20;
sub_0809F0E4(this);
} else {
if ((super->frame & 0x10) && super->subtimer == 0) {
super->subtimer = 20;
super->frame ^= 0x10;
sub_0809F0E4(this);
}
}
}
void sub_0809F0E4(FanEntity* this) {
static const s8 typeOffsets[] = { 0, 12, -12, 0, 0, -12, 12, 0 };
Entity* pEVar1;
const s8* collisionData;
EnqueueSFX(SFX_183);
pEVar1 = CreateObject(FAN_WIND, super->type ^ 2, 0);
if (pEVar1 != NULL) {
pEVar1->parent = super;
collisionData = typeOffsets + super->type * 2;
PositionRelative(super, pEVar1, collisionData[0] << 0x10, collisionData[1] << 0x10);
}
}
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