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/**
* @file backgroundCloud.c
* @ingroup Objects
*
* @brief BackgroundCloud object
*/
#include "object.h"
#include "asm.h"
#include "room.h"
#include "physics.h"
typedef struct {
/*0x00*/ Entity base;
/*0x68*/ u8 unused1[16];
/*0x78*/ s16 unk_78;
/*0x7a*/ s16 unk_7a;
} BackgroundCloudEntity;
void BackgroundCloud_Init(BackgroundCloudEntity* this);
void BackgroundCloud_Action1(BackgroundCloudEntity* this);
void BackgroundCloud_Action2(BackgroundCloudEntity* this);
void BackgroundCloud(BackgroundCloudEntity* this) {
static void (*const BackgroundCloud_Actions[])(BackgroundCloudEntity*) = {
BackgroundCloud_Init,
BackgroundCloud_Action1,
BackgroundCloud_Action2,
};
BackgroundCloud_Actions[super->action](this);
}
void BackgroundCloud_Init(BackgroundCloudEntity* this) {
static const u8 gUnk_08121EB0[] = { 0x30, 0x28, 0x20 };
super->action = 1;
super->spriteSettings.draw = 1;
super->spriteOrientation.flipY = 3;
super->spriteRendering.b3 = 3;
super->spritePriority.b0 = super->type;
super->frameIndex = super->type;
super->direction = 8;
super->speed = gUnk_08121EB0[super->type];
this->unk_78 = gRoomControls.origin_x - 0x60;
this->unk_7a = gRoomControls.origin_x + gRoomControls.width + 0x60;
super->animationState = 0;
super->x.HALF.HI += (Random() & 0xf) << 4;
super->timer = 0;
super->subAction = 0;
}
void BackgroundCloud_Action1(BackgroundCloudEntity* this) {
LinearMoveUpdate(super);
if (super->x.HALF.HI < this->unk_78 || super->x.HALF.HI > this->unk_7a)
super->action = 2;
}
void BackgroundCloud_Action2(BackgroundCloudEntity* this) {
static const u8 gUnk_08121EB3[] = { 0x8, 0x28, 0x48, 0x98, 0 };
if (super->subAction == 0) {
super->subAction = 1;
super->timer = ((Random() & 7) << 3) + 31;
if ((super->direction & 0x10)) {
super->x.HALF.HI = this->unk_7a;
} else {
super->x.HALF.HI = this->unk_78;
}
if (super->type == 2)
super->y.HALF.HI = gUnk_08121EB3[super->type2 * 2 + (Random() & 1)];
}
if (super->subAction == 1) {
if (--super->timer == 0) {
super->action = 1;
super->subAction = 0;
}
}
}
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