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/**
* @file steamOverlayManager.c
* @ingroup Managers
*
* @brief Steamy overlay bg in Cave of Flames.
*/
#include "manager/steamOverlayManager.h"
#include "flags.h"
#include "main.h"
#include "physics.h"
#include "room.h"
#include "screen.h"
#include "game.h"
const u16 gUnk_08108588[] = { 0x1000, 0xF01, 0xE02, 0xD03, 0xC04, 0xB05, 0xA06, 0x907, 0x808 };
const u16 gUnk_0810859A[] = { 0x808, 0x907, 0xA06, 0x907 };
extern u16 gUnk_02017AA0[];
void SteamOverlayManager_Init(SteamOverlayManager*);
void SteamOverlayManager_Action4(SteamOverlayManager*);
u32 sub_08059F9C(SteamOverlayManager*);
void SteamOverlayManager_Action1(SteamOverlayManager*);
void SteamOverlayManager_Action2(SteamOverlayManager*);
void sub_0805A098(SteamOverlayManager*);
void SteamOverlayManager_Action3(SteamOverlayManager*);
void sub_0805A114(u32, u32);
void sub_0805A1D8(SteamOverlayManager*);
void SteamOverlayManager_OnEnterRoom(void*);
void SteamOverlayManager_OnExitRoom(void*);
void SteamOverlayManager_Main(SteamOverlayManager* this) {
static void (*const SteamOverlayManager_Actions[])(SteamOverlayManager*) = {
SteamOverlayManager_Init, SteamOverlayManager_Action1, SteamOverlayManager_Action2,
SteamOverlayManager_Action3, SteamOverlayManager_Action4,
};
this->unk_20++;
SteamOverlayManager_Actions[super->action](this);
sub_0805A1D8(this);
}
void SteamOverlayManager_Init(SteamOverlayManager* this) {
if (EntityHasDuplicateID((Entity*)this)) {
DeleteThisEntity();
}
this->unk_22 = 1;
this->unk_20 = 0;
super->timer = 0;
super->subtimer = 4;
super->action = 4;
super->flags |= ENT_PERSIST;
gScreen.bg3.control = 0x1E04;
gScreen.lcd.displayControl |= DISPCNT_BG3_ON;
gScreen.controls.layerFXControl = 0x3E48;
gScreen.controls.alphaBlend = 0x1000;
gScreen.bg3.xOffset = 0x80;
gScreen.bg3.yOffset = 0;
RegisterTransitionHandler(this, SteamOverlayManager_OnEnterRoom, SteamOverlayManager_OnExitRoom);
}
void SteamOverlayManager_Action4(SteamOverlayManager* this) {
u32 tmp = --super->subtimer;
if (tmp == 0) {
super->subtimer = 4;
if (sub_08059F9C(this)) {
if (gUnk_08108588[super->timer] != 0x808) {
this->unk_22 = 1;
this->unk_24 = tmp;
gScreen.controls.alphaBlend = gUnk_08108588[++super->timer];
} else {
this->unk_22 = tmp;
}
} else {
this->unk_22 = 1;
if (gUnk_08108588[super->timer] != 0x1000) {
gScreen.controls.alphaBlend = gUnk_08108588[--super->timer];
}
}
}
}
u32 sub_08059F9C(SteamOverlayManager* this) {
switch (gRoomControls.room) {
case 1:
if (CheckLocalFlag(0x16)) {
return 0;
}
SteamOverlayManager_OnExitRoom(this);
DeleteThisEntity();
break;
case 7:
SteamOverlayManager_OnExitRoom(this);
DeleteThisEntity();
break;
case 0:
case 8 ... 9:
case 23:
return 1;
case 2 ... 6:
case 10 ... 22:
default:
return 0;
}
}
void SteamOverlayManager_Action1(SteamOverlayManager* this) {
sub_0805A098(this);
}
void SteamOverlayManager_Action2(SteamOverlayManager* this) {
if (--super->subtimer == 0) {
super->subtimer = 4;
gScreen.controls.alphaBlend = gUnk_08108588[super->timer++];
if (super->timer == 9) {
super->action = 1;
this->unk_22 = 0;
}
}
sub_0805A098(this);
}
void sub_0805A098(SteamOverlayManager* this) {
switch (gRoomControls.room) {
case 0:
case 8:
case 9:
case 0x17:
return;
default:
super->action = 3;
}
}
void SteamOverlayManager_Action3(SteamOverlayManager* this) {
if (--super->subtimer == 0) {
super->subtimer = 4;
gScreen.controls.alphaBlend = gUnk_08108588[super->timer--];
if (super->timer == 0xFF) {
gScreen.lcd.displayControl &= ~DISPCNT_BG3_ON;
DisableVBlankDMA();
DeleteThisEntity();
}
}
}
void sub_0805A114(u32 unk0, u32 unk1) {
s32 i;
u16* p = &gUnk_02017AA0[gUnk_03003DE4[0] * 0x500];
for (i = 0; i < 0xA0; i++) {
s32 tmp = i + gScreen.bg3.yOffset;
switch ((tmp >> 3) & 7) {
case 4:
tmp -= 8;
tmp &= 0xF8;
break;
case 1:
case 7:
tmp &= 0xF0;
break;
case 0:
case 2 ... 3:
case 5 ... 6:
default:
tmp &= 0xF8;
}
*p++ = gScreen.bg3.xOffset + ((gSineTable[(unk1 + tmp) & 0xFF] * unk0) >> 8);
}
SetVBlankDMA((u16*)&gUnk_02017AA0[gUnk_03003DE4[0] * 0x500], (u16*)REG_ADDR_BG3HOFS,
((DMA_ENABLE | DMA_START_HBLANK | DMA_16BIT | DMA_REPEAT | DMA_SRC_INC | DMA_DEST_RELOAD) << 16) +
0x1);
}
void sub_0805A1D8(SteamOverlayManager* this) {
gRoomControls.bg3OffsetX.WORD -= 0x1000;
gScreen.bg3.xOffset = gRoomControls.bg3OffsetX.HALF.HI;
gRoomControls.bg3OffsetY.WORD -= 0x1000;
gScreen.bg3.yOffset = gRoomControls.bg3OffsetY.HALF.HI;
if (gScreen.lcd.displayControl & DISPCNT_BG3_ON) {
sub_0805A114(6, this->unk_20 >> 1);
if (this->unk_22 == 0 && (gMain.ticks & 0x1F) == 0) {
this->unk_24++;
this->unk_24 &= 3;
gScreen.controls.alphaBlend = gUnk_0810859A[this->unk_24];
}
}
}
void SteamOverlayManager_OnEnterRoom(void* this) {
}
void SteamOverlayManager_OnExitRoom(void* this) {
gScreen.controls.layerFXControl = 0;
gScreen.lcd.displayControl &= ~DISPCNT_BG3_ON;
DisableVBlankDMA();
}
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