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/**
* @file minishRaftersBackgroundManager.c
* @ingroup Managers
*
* @brief Parallax background for minish rafters
*/
#include "manager/minishRaftersBackgroundManager.h"
#include "common.h"
#include "room.h"
#include "game.h"
#include "vram.h"
void MinishRaftersBackgroundManager_OnEnterRoom(MinishRaftersBackgroundManager*);
void sub_08058210(MinishRaftersBackgroundManager*);
u32 sub_08058244(int);
void sub_080582A0(u32, u32*, u16*);
void sub_080582F8(u8*, u8*);
extern u8 gMapDataTopSpecial[];
extern u32 gUnk_02006F00[];
void MinishRaftersBackgroundManager_Main(MinishRaftersBackgroundManager* this) {
sub_08058210(this);
if (super->action == 0) {
super->action = 1;
gScreen.bg1.updated = 0;
RegisterTransitionHandler(this, MinishRaftersBackgroundManager_OnEnterRoom, NULL);
}
}
void MinishRaftersBackgroundManager_OnEnterRoom(MinishRaftersBackgroundManager* this) {
sub_08058324(super->type);
}
void sub_08058210(MinishRaftersBackgroundManager* this) {
u32 tmp = sub_08058244(super->type);
if (this->unk_3c == tmp)
return;
this->unk_3c = tmp;
sub_080582A0(tmp, gUnk_02006F00, gBG3Buffer);
gScreen.bg1.updated = 1;
}
u32 sub_08058244(int i) {
static const u16 gUnk_081081EC[] = { 0x30, 0x30, 0x30, 0x38 };
u32 tmp;
s32 tmp2;
u32 tmp3;
s32 tmp4;
tmp = ((gRoomControls.scroll_y - gRoomControls.origin_y) * 0x20) / (gRoomControls.height - DISPLAY_HEIGHT);
gScreen.bg1.yOffset = gRoomControls.origin_y + tmp;
tmp = (((gRoomControls.scroll_x - gRoomControls.origin_x) * gUnk_081081EC[i]) /
(gRoomControls.width - DISPLAY_WIDTH));
gScreen.bg1.xOffset = tmp & 0xf;
return tmp;
}
void sub_080582A0(u32 unk, u32* unk2, u16* unk3) {
int i = 0x20;
unk2 += unk >> 4;
for (; i != 0; i--) {
DmaCopy16(3, unk2, unk3, 0x20 * 2);
unk2 += 0x40;
unk3 += 0x20;
}
}
void sub_080582D0(void) {
u8* tmp = gMapDataTopSpecial;
u8* tmp2 = tmp + 0x4000;
sub_080582F8(tmp, tmp2);
tmp += 0x800;
tmp2 += 0x40;
sub_080582F8(tmp, tmp2);
}
void sub_080582F8(u8* unk, u8* unk2) {
u32 i;
for (i = 0; i < 0x20; i++, unk += 0x40, unk2 += 0x100) {
DmaCopy16(3, unk, unk2, 0x20 * 2);
}
}
void sub_08058324(u32 unk) {
gMapTop.bgSettings = 0;
LoadPaletteGroup(unk + 0x86);
LoadGfxGroup(unk + 0x36);
sub_080582D0();
sub_080582A0(sub_08058244(unk), gUnk_02006F00, gBG3Buffer);
gScreen.bg1.control = 0x1D47;
gScreen.bg1.subTileMap = gBG3Buffer;
gScreen.bg1.updated = 1;
gScreen.lcd.displayControl |= 0x200;
}
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