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/**
* @file cloudOverlayManager.c
* @ingroup Managers
*
* @brief Cloud bg overlay for Hyrule Fields.
*/
#include "manager/cloudOverlayManager.h"
#include "area.h"
#include "screen.h"
#include "game.h"
#include "room.h"
void CloudOverlayManager_OnEnterRoom(CloudOverlayManager*);
void CloudOverlayManager_OnExitRoom(CloudOverlayManager*);
void CloudOverlayManager_Main(CloudOverlayManager* this) {
static const u16 gUnk_0810865C[] = {
0xf01, 0xe02, 0xe03, 0xe04, 0, 0,
};
if (this == NULL) {
if (gArea.onEnter != CloudOverlayManager_OnEnterRoom) {
CloudOverlayManager_OnEnterRoom(NULL);
}
} else {
if (super->action == 0) {
super->action = 1;
super->flags |= ENT_PERSIST;
super->timer = 0;
super->subtimer = 8;
this->field_0x20 = gUnk_0810865C[0];
SetEntityPriority((Entity*)this, PRIO_PLAYER_EVENT);
if (gArea.onEnter == NULL) {
RegisterTransitionHandler(this, CloudOverlayManager_OnEnterRoom, CloudOverlayManager_OnExitRoom);
} else {
DeleteThisEntity();
}
} else {
if ((gUnk_0810865C[super->timer] != 0) && (--super->subtimer == 0)) {
super->subtimer = 4;
if (gUnk_0810865C[++super->timer] != 0) {
this->field_0x20 = gUnk_0810865C[super->timer];
gScreen.controls.alphaBlend = this->field_0x20;
}
}
gRoomControls.bg3OffsetX.WORD -= 0x2000;
gRoomControls.bg3OffsetY.WORD -= 0x1000;
gScreen.bg3.xOffset = gRoomControls.scroll_x + gRoomControls.bg3OffsetX.HALF.HI;
gScreen.bg3.yOffset = gRoomControls.scroll_y + gRoomControls.bg3OffsetY.HALF.HI;
}
}
}
void CloudOverlayManager_OnEnterRoom(CloudOverlayManager* this) {
gScreen.bg3.control = BGCNT_SCREENBASE(30) | BGCNT_PRIORITY(1) | BGCNT_CHARBASE(1);
gScreen.lcd.displayControl |= DISPCNT_BG3_ON;
gScreen.controls.layerFXControl =
BLDCNT_TGT1_BG3 | BLDCNT_EFFECT_BLEND | BLDCNT_TGT2_BG1 | BLDCNT_TGT2_BG2 | BLDCNT_TGT2_OBJ | BLDCNT_TGT2_BD;
gScreen.controls.alphaBlend = (this != NULL) ? this->field_0x20 : BLDALPHA_BLEND(0, 16);
gScreen.bg3.xOffset = gRoomControls.scroll_x + gRoomControls.bg3OffsetX.HALF.HI;
gScreen.bg3.yOffset = gRoomControls.scroll_y + gRoomControls.bg3OffsetY.HALF.HI;
if (this != NULL) {
CloudOverlayManager_Main(this);
}
}
void CloudOverlayManager_OnExitRoom(CloudOverlayManager* this) {
super->flags &= ~ENT_PERSIST;
gScreen.lcd.displayControl &= ~DISPCNT_BG3_ON;
gScreen.controls.layerFXControl = 0;
}
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