#include "global.h"
#include "sound.h"
#include "flags.h"
#include "screen.h"
#include "manager.h"
#include "object.h"
#include "structures.h"
#include "functions.h"
#include "enemy.h"

typedef struct {
    Manager manager;
    u8 unk_20;
    u8 unk_21;
    u8 unk_22;
    u8 unk_23; // used
    u16 unk_24;
    u16 unk_26;
    void* unk_28;
    u16 unk_2c;
    u8 unk_2e[0x6];
    s16 unk_34;
    s16 unk_36;
    s16 unk_38;
    s16 unk_3a;
    u16 unk_3c;
    u16 unk_3e; // used
} Manager15;

extern void (*const gUnk_081085D8[])(Manager*);

void Manager15_Main(Manager* this) {
    gUnk_081085D8[this->unk_0a](this);
}

void sub_0805A89C(Manager15*);
void sub_0805A8EC(Manager15*);
void sub_0805AAF0(u32);

void sub_0805A298(Manager15* this) {
    if (this->manager.action == 0) {
        sub_0805A89C(this);
        if (!CheckLocalFlag(this->unk_3e)) {
            this->unk_23 = 1;
        } else {
            this->unk_23 = 2;
        }
        sub_0805AAF0(this->unk_23);
        gScreen.lcd.displayControl |= DISPCNT_WIN1_ON | DISPCNT_BG3_ON;
    }
    sub_0805A8EC(this);
}

extern void (*const gUnk_081085F8[])(Manager15*);

void sub_0805A2E4(Manager15* this) {
    if (this->manager.action == 0) {
        sub_0805A89C(this);
        this->unk_23 = 1;
        sub_0805AAF0(1);
        if (!CheckLocalFlag(this->unk_3e)) {
            this->manager.action = 1;
            gScreen.lcd.displayControl &= 0xB7FF;
        } else {
            if (CheckLocalFlag(0x48)) {
                this->manager.action = 4;
            } else {
                this->manager.action = 3;
            }
            gScreen.lcd.displayControl |= DISPCNT_WIN1_ON | DISPCNT_BG3_ON;
        }
    } else {
        gUnk_081085F8[this->manager.action](this);
    }
    if (this->manager.next) {
        sub_0805A8EC(this);
    }
}

extern Entity gUnk_080E4C08;

void sub_0805A370(Manager15* this) {
    if (this->manager.unk_0d) {
        LoadRoomEntityList((EntityData*)&gUnk_080E4C08);
        this->manager.action = 3;
        SoundReq(SONG_STOP_BGM);
    }
}

void sub_0805A394(Manager15* this) {
    Entity* ent;
    if ((ent = FindEntityByID(ENEMY, CHUCHU_BOSS, 0x4))) {
        if (ent->type != 4) {
            return;
        }
    }
    SetLocalFlag(LV1_16_1STEND);
    ClearRoomFlag(0);
    gScreen.lcd.displayControl &= ~(DISPCNT_WIN1_ON | DISPCNT_BG3_ON);
    DeleteThisEntity();
}

void nullsub_496(Manager15* this) {
}

extern void (*const gUnk_0810860C[])(Manager15*);

void sub_0805A3D4(Manager15* this) {
    if (this->manager.action == 0) {
        sub_0805A89C(this);
        if (this->manager.unk_0a == 3) {
            this->unk_23 = 2;
        } else {
            this->unk_23 = 1;
        }
        sub_0805AAF0(this->unk_23);
        if (!CheckLocalFlag(this->unk_3e)) {
            ClearFlag(this->unk_3c);
            this->manager.action = 1;
            gScreen.lcd.displayControl &= ~(DISPCNT_WIN1_ON | DISPCNT_BG3_ON);
        } else {
            SetFlag(this->unk_3c);
            this->manager.action = 3;
            gScreen.lcd.displayControl |= DISPCNT_WIN1_ON | DISPCNT_BG3_ON;
        }
    } else {
        gUnk_0810860C[this->manager.action](this);
    }
    sub_0805A8EC(this);
}

void sub_0805A4CC(Manager15*, u32);

void sub_0805A464(Manager15* this) {
    if (CheckLocalFlag(this->unk_3e)) {
        this->manager.action = 2;
        sub_0805A4CC(this, 0);
    }
}

void sub_0805A480(Manager15* this) {
    if (this->manager.unk_0d != 0) {
        this->manager.action = 3;
        SetFlag(this->unk_3c);
    }
}

void sub_0805A498(Manager15* this) {
    if (!CheckLocalFlag(this->unk_3e)) {
        this->manager.action = 4;
        sub_0805A4CC(this, 1);
    }
}

void sub_0805A4B4(Manager15* this) {
    if (this->manager.unk_0d != 0) {
        this->manager.action = 1;
        ClearFlag(this->unk_3c);
    }
}

void sub_0805A4CC(Manager15* this, u32 unk_0) {
    Entity* tmp;
    tmp = CreateObject(OBJECT_8E, unk_0, 0);
    if (tmp) {
        tmp->x.HALF.HI = this->unk_38 + gRoomControls.roomOriginX;
        tmp->y.HALF.HI = this->unk_3a + gRoomControls.roomOriginY - 0x30;
        tmp->parent = (Entity*)this;
        this->manager.unk_0d = 0;
    }
}

extern void (*const gUnk_08108620[])(Manager15*);
void sub_0805AA58(Manager15*);
void sub_0805A9CC(Manager15*);

void sub_0805A500(Manager15* this) {
    if (this->manager.action == 0) {
        sub_0805A89C(this);
        this->unk_28 = 0;
        if (CheckLocalFlag(0x36)) {
            this->unk_23 = 3;
            this->manager.action = 5;
            gScreen.lcd.displayControl |= DISPCNT_WIN1_ON | DISPCNT_BG3_ON;
        } else {
            if (CheckLocalFlag(0x34)) {
                this->unk_23 = 4;
                this->manager.action = 3;
                gScreen.lcd.displayControl |= DISPCNT_WIN1_ON | DISPCNT_BG3_ON;
            } else {
                this->unk_23 = 4;
                this->manager.action = 1;
                gScreen.lcd.displayControl &= ~(DISPCNT_WIN1_ON | DISPCNT_BG3_ON);
            }
        }
        sub_0805AAF0(this->unk_23);
    } else {
        gUnk_08108620[this->manager.action](this);
    }
    sub_0805AA58(this);
    sub_0805A9CC(this);
    if (gRoomControls.unk2 == 1) {
        gScreen.lcd.displayControl |= DISPCNT_WIN1_ON;
        this->manager.unk_0d = 1;
        return;
    }
    if (!this->manager.unk_0d)
        return;
    this->manager.unk_0d = 0;
    if (this->unk_20 == gRoomControls.roomID)
        return;
    gScreen.lcd.displayControl &= ~(DISPCNT_WIN1_ON | DISPCNT_BG3_ON);
    DeleteThisEntity();
}

void sub_0805A5FC(Manager15* this) {
    if (CheckLocalFlag(0x34)) {
        this->manager.action = 2;
        sub_0805A4CC(this, 2);
    }
}

void sub_0805A618(Manager15* this) {
    if (this->manager.unk_0d) {
        this->manager.action = 3;
    }
}

void sub_0805A628(Manager15* this) {
    if (CheckLocalFlag(0x36)) {
        this->manager.action = 4;
        this->unk_23 = 3;
        sub_0805A4CC(this, 3);
    }
}

void sub_0805A64C(Manager15* this) {
    if (this->manager.unk_0d) {
        this->manager.action = 5;
    }
}

void sub_0805A65C(Manager15* this) {
}
void sub_0805A660(Manager15* this) {
}

extern void (*const gUnk_08108638[])(Manager15*);
void sub_0805A68C(Manager15*);

void sub_0805A664(Manager15* this) {
    gUnk_08108638[this->manager.action](this);
    sub_0805A8EC(this);
    sub_0805A68C(this);
}

void sub_0805A68C(Manager15* this) {
    if (CheckPlayerProximity(this->unk_38 - 0x18, this->unk_3a - 0x18, 0x30, 0x30)) {
        if (this->unk_2c <= 0x1007) {
            gScreen.controls.alphaBlend = ++this->unk_2c;
            this->unk_22 = 0;
        }
    } else {
        if (this->unk_2c > 0x1000) {
            this->unk_2c--;
        }
        gScreen.controls.alphaBlend = this->unk_2c;
    }
}

u32 sub_0805A73C(Manager15*);

void sub_0805A6E8(Manager15* this) {
    u16 tmp;
    sub_0805A89C(this);
    this->unk_23 = 0;
    sub_0805AAF0(0);
    this->unk_38 += gRoomControls.roomOriginX;
    this->unk_3a += gRoomControls.roomOriginY;
    if (!sub_0805A73C(this)) {
        this->manager.action++;
    }
    this->unk_2c = 0x1000;
    tmp = gScreen.lcd.displayControl | DISPCNT_WIN1_ON | DISPCNT_BG3_ON;
    gScreen.lcd.displayControl = tmp;
}

u32 sub_0805A73C(Manager15* this) {
    return CheckPlayerProximity(this->unk_38 - 6, this->unk_3a - 6, 12, 12);
}

void sub_0805A758(Manager15* this) {
    if (!sub_0805A73C(this)) {
        this->manager.action++;
    }
}

void sub_0805A76C(Manager15* this) {
    if ((gPlayerEntity.health != 0) && (gPlayerEntity.z.HALF.HI == 0) && (!gPlayerState.item)) {
        switch (gPlayerState.framestate_last) {
            case PL_STATE_IDLE:
            case PL_STATE_WALK:
                if (sub_0805A73C(this)) {
                    this->manager.action++;
                    sub_08004168(&gPlayerEntity);
                    gPlayerEntity.animationState = 4;
                    RequestPriorityDuration((Entity*)this, 600);
                    SetPlayerControl(0xFF);
                    gUnk_02034490[0] = 1;
                    gRoomControls.cameraTarget = NULL;
                    sub_08077B20();
                }
        }
    }
}

void sub_0805A7E4(Manager15* this) {
    if (gPlayerState.queued_action != PLAYER_WARP) {
        gPlayerState.queued_action = PLAYER_WARP;
        gPlayerState.field_0x38 = 0;
        gPlayerState.field_0x39 = 0;
    }
}

void sub_0805A804(Manager15* this) {
    switch (this->manager.action) {
        case 0:
            if (CheckLocalFlag(this->unk_3e)) {
                this->manager.action = 1;
            } else {
                this->manager.action = 2;
            }
            this->manager.unk_0d = 1;
            this->manager.unk_10 |= 0x20;
            SetDefaultPriority((Entity*)this, PRIO_PLAYER_EVENT);
            break;
        case 1:
            if (CheckLocalFlag(this->unk_3e))
                break;
            this->manager.action = 2;
            sub_0805A4CC(this, 4);
            break;
        case 2:
            if (this->manager.unk_0d) {
                this->manager.action = 3;
            }
            break;
        case 3:
            if (!CheckLocalFlag(this->unk_3e))
                break;
            this->manager.action = 4;
            sub_0805A4CC(this, 4);
            break;
        case 4:
            if (this->manager.unk_0d) {
                this->manager.action = 1;
            }
            break;
        default:
            DeleteThisEntity();
    }
}

void sub_0805AAC8(Manager15*);

void sub_0805A89C(Manager15* this) {
    SetDefaultPriority((Entity*)this, PRIO_PLAYER_EVENT);
    this->manager.action = 1;
    this->manager.unk_10 |= 0x20;
    this->manager.unk_0e = 8;
    this->manager.unk_0f = 0x10;
    this->unk_21 = 0;
    this->unk_22 = 0;
    this->unk_20 = gRoomControls.roomID;
    this->unk_24 = gRoomControls.roomOriginX;
    this->unk_26 = gRoomControls.roomOriginY;
    RegisterTransitionManager(this, sub_0805AAC8, 0);
}

void sub_0805A94C(Manager15* this);

void sub_0805A8EC(Manager15* this) {
    sub_0805AA58(this);
    sub_0805A94C(this);
    if (gRoomControls.unk2 == 1) {
        gScreen.lcd.displayControl |= DISPCNT_WIN1_ON;
        this->manager.unk_0d = 1;
    } else {
        if (!this->manager.unk_0d)
            return;
        this->manager.unk_0d = 0;
        if (this->unk_20 == gRoomControls.roomID)
            return;
        gScreen.lcd.displayControl &= ~(DISPCNT_WIN1_ON | DISPCNT_BG3_ON);
        DeleteThisEntity();
    }
}

void sub_0805A94C(Manager15* this) {
    int tmp1, tmp2;
    gScreen.bg3.xOffset = gRoomControls.roomScrollX - this->unk_24 + this->unk_34;
    gScreen.bg3.yOffset = gRoomControls.roomScrollY - this->unk_26 + this->unk_36;
    tmp1 = -gScreen.bg3.xOffset;
    tmp2 = tmp1 + 0x100;
    if (tmp1 < 0)
        tmp1 = 0;
    if (tmp1 > DISPLAY_WIDTH)
        tmp1 = DISPLAY_WIDTH;
    if (tmp2 < 0)
        tmp2 = 0;
    if (tmp2 > DISPLAY_WIDTH)
        tmp2 = DISPLAY_WIDTH;
    gScreen.controls.window1HorizontalDimensions = (tmp1 << 8 | tmp2);
    tmp1 = -gScreen.bg3.yOffset;
    tmp2 = tmp1 + 0x100;
    if (tmp1 < 0)
        tmp1 = 0;
    if (tmp1 > DISPLAY_HEIGHT)
        tmp1 = DISPLAY_HEIGHT;
    if (tmp2 < 0)
        tmp2 = 0;
    if (tmp2 > DISPLAY_HEIGHT)
        tmp2 = DISPLAY_HEIGHT;
    gScreen.controls.window1VerticalDimensions = (tmp1 << 8 | tmp2);
}

void sub_0805A9CC(Manager15* this) {
    int tmp1, tmp2;
    void* tmp3;
    gScreen.bg3.xOffset = gRoomControls.roomScrollX - this->unk_24 + this->unk_34;
    tmp1 = -gScreen.bg3.xOffset;
    tmp2 = tmp1 + 0x100;
    if (tmp1 < 0)
        tmp1 = 0;
    if (tmp1 > DISPLAY_WIDTH)
        tmp1 = DISPLAY_WIDTH;
    if (tmp2 < 0)
        tmp2 = 0;
    if (tmp2 > DISPLAY_WIDTH)
        tmp2 = DISPLAY_WIDTH;
    gScreen.controls.window1HorizontalDimensions = tmp1 << 8 | tmp2;
    tmp1 = gRoomControls.roomScrollY - this->unk_26 + this->unk_36;
    gScreen.bg3.yOffset = tmp1 & 0x3F;
    tmp3 = (&gBG3Buffer[((tmp1 / 0x40) << 8)]);
    gScreen.bg3.tilemap = (u32*)tmp3;
    gScreen.controls.window1VerticalDimensions = DISPLAY_HEIGHT;
    if (this->unk_28 == tmp3)
        return;
    this->unk_28 = tmp3;
    gScreen.bg3.updated = 1;
}

extern struct { u8 unk_00[0x20]; } gUnk_085A97A0[];
extern u16 gUnk_081085B8[];

void sub_0805AA58(Manager15* this) {
    if (--this->manager.unk_0e == 0) {
        this->manager.unk_0e = 8;
        this->unk_21 += 1;
        this->unk_21 &= 3;
        LoadPalettes(gUnk_085A97A0[this->unk_21].unk_00, 5, 1);
    }
    if (--this->manager.unk_0f == 0) {
        this->manager.unk_0f = 0x10;
        this->unk_22 += 1;
        this->unk_22 &= 0xF;
        gScreen.controls.alphaBlend = gUnk_081085B8[this->unk_22];
    }
}

void sub_0805AAC8(Manager15* this) {
    sub_0805AAF0(this->unk_23);
    Manager15_Main(&this->manager);
}

extern u16 gUnk_08108648[];

void sub_0805AADC(u32 unk0) {
    LoadGfxGroup(gUnk_08108648[unk0]);
}

void sub_0805AAF0(u32 unk0) {
    sub_0805AADC(unk0);
    gScreen.controls.layerFXControl = 0x3E48;
    gScreen.controls.alphaBlend = BLDALPHA_BLEND(8, 16);
    gScreen.bg3.control = BGCNT_SCREENBASE(30) | BGCNT_CHARBASE(1);
    gScreen.bg3.tilemap = &gBG3Buffer;
    gScreen.bg3.xOffset = 0;
    gScreen.bg3.yOffset = 0;
    gScreen.bg3.updated = 1;
    gScreen.controls.windowInsideControl =
        WININ_WIN0_BG_ALL | WININ_WIN0_OBJ | WININ_WIN1_BG_ALL | WININ_WIN1_OBJ | WININ_WIN0_CLR | WININ_WIN1_CLR;
    gScreen.controls.windowOutsideControl =
        WINOUT_WIN01_BG0 | WINOUT_WIN01_BG1 | WINOUT_WIN01_BG2 | WINOUT_WIN01_OBJ | WINOUT_WIN01_CLR;
    gScreen.controls.window1HorizontalDimensions = DISPLAY_WIDTH;
    gScreen.controls.window1VerticalDimensions = DISPLAY_HEIGHT;
}