#include "global.h"
#include "sound.h"
#include "entity.h"
#include "functions.h"
#include "npc.h"

extern void sub_08060528(Entity*);
extern void sub_080604DC(Entity*);
extern void sub_080606D8(Entity*);
extern void sub_080606C0(Entity*);

typedef struct {
    s16 x;
    s16 y;
} Coords16;

extern Coords16 gUnk_0810A66C[];
extern s8* gUnk_0810A918[];

extern void (*const gUnk_0810AA24[])(Entity*);
extern Dialog gUnk_0810AA30[];

void Postman(Entity* this) {
    if ((this->flags & 2) != 0) {
        sub_08060528(this);
    } else {
        gUnk_0810AA24[this->action](this);
    }
}

void sub_08060428(Entity* this) {
    void* data;

    this->actionDelay = 0x5a;
    this->speed = 0x180;
    if (this->type2 != 0) {
        data = GetCurrentRoomProperty(this->type2);
    } else {
        data = NULL;
    }
    sub_0806EE04(this, data, 0);
    this->action = 1;
    InitAnimationForceUpdate(this, 4);
}

void sub_0806045C(Entity* this) {
    u8 bVar1;
    u32 bVar3;
    s32 temp;

    UpdateAnimationSingleFrame(this);
    sub_080604DC(this);
    switch (this->interactType) {
        case 1:
        case 2:
            this->action = 2;
            MessageFromTarget(0);
            break;
        default:
            bVar1 = this->knockbackDirection;
            if (bVar1 != this->animationState) {
                this->animationState = bVar1;
                InitAnimationForceUpdate(this, 4 + bVar1);
            }
            temp = sub_0806ED9C(this, 0x18, 0x18);
            if ((temp > -1) && (temp == this->animationState)) {
                bVar3 = 1;
            } else {
                bVar3 = 0;
            }
            if (!bVar3) {
                sub_0806EE20(this);
            }
    }
    sub_0806ED78(this);
}

void sub_080604C8(Entity* this) {
    UpdateAnimationSingleFrame(this);
    sub_080604DC(this);
    this->action = 1;
}

void sub_080604DC(Entity* this) {
    Entity* ent;

    if (this->spriteSettings.draw == 1 && CheckOnScreen(this)) {
        if ((this->frame & 1) != 0) {
            this->frame &= 0xfe;
            ent = CreateFx(this, FX_DASH, 0x40);
            if (ent != NULL) {
                ent->y.HALF.HI++;
                SetDefaultPriority(ent, 3);
            }
        }
    }
}

void sub_08060528(Entity* this) {
    switch (this->action) {
        case 0:
            this->action = 1;
            this->spriteSettings.draw = TRUE;
            this->field_0x68.HALF.LO = 0;
            this->field_0x68.HALF.HI = 0;
            this->field_0x6a.HWORD = 0;
            this->field_0x6c.HALF.HI = 0;
            this->field_0x6c.HALF.LO = sub_0801E99C(this);
            sub_0807DD50(this);
            break;
        case 1:
            if (this->interactType == 2) {
                this->action = 3;
                this->interactType = 0;
                sub_0806F118(this);
                InitAnimationForceUpdate(this, sub_0806F5A4(GetFacingDirection(this, &gPlayerEntity)));
            } else {
                if (this->interactType != 0) {
                    this->action = 2;
                    this->interactType = 0;
                    sub_080606D8(this);
                    InitAnimationForceUpdate(this, sub_0806F5A4(GetFacingDirection(this, &gPlayerEntity)));
                } else {
                    sub_0807DD94(this, NULL);
                }
            }
            break;
        case 2:
            UpdateAnimationSingleFrame(this);
            if ((gMessage.doTextBox & 0x7f) != 0) {
                break;
            }
            this->action = 1;
            break;
        case 3:
            UpdateAnimationSingleFrame(this);
            if (!UpdateFuseInteraction(this)) {
                break;
            }
            this->action = 1;
    }
    sub_080604DC(this);
    if (0 < (s16)this->field_0x6a.HWORD) {
        if ((s16)this->field_0x6a.HWORD > 0x12b) {
            this->field_0x6a.HWORD = 0;
            this->zVelocity = Q_16_16(2.0);
            this->field_0x6c.HALF.HI = 1;
            sub_080788E0(this);
            EnqueueSFX(0x7c);
        } else {
            this->field_0x6a.HWORD -= 1;
        }
    }
    GravityUpdate(this, 0x1800);
    if (((this->field_0x6c.HALF.HI != 0) && (this->zVelocity == 0)) && this->z.WORD == 0) {
        this->field_0x6c.HALF.HI = 0;
        sub_080606C0(this);
    }
    if ((-1 < this->z.WORD) &&
        ((gPlayerEntity.collisionLayer == 0 || (this->collisionLayer == gPlayerEntity.collisionLayer)))) {
        sub_0806ED78(this);
    }
    sub_0800451C(this);
}

void sub_080606C0(Entity* this) {
    this->field_0x6c.HALF.LO = sub_0801E99C(this);
    sub_08078784(this, this->field_0x6c.HALF.LO);
}

void sub_080606D8(Entity* this) {
    s32 index;

    index = gSave.global_progress - 2;
    if (index < 0) {
        index = 0;
    }
    ShowNPCDialogue(this, &gUnk_0810AA30[index]);
}

void sub_08060700(Entity* entity, ScriptExecutionContext* context) {
    s8* var0 = gUnk_0810A918[(s8)entity->field_0x68.HALF.LO];
    Coords16* coords = &gUnk_0810A66C[var0[(s8)entity->field_0x68.HALF.HI]];
    u32 x = coords->x + gRoomControls.origin_x;
    u32 y = coords->y + gRoomControls.origin_y;
    sub_0807DEDC(entity, context, x, y);
    gActiveScriptInfo.flags |= 1;
}

void sub_0806075C(Entity* this) {
    this->field_0x68.HALF.LO = 0xb;
    this->field_0x68.HALF.HI = 0xff;
}

ASM_FUNC("asm/non_matching/postman/sub_0806076C.inc", void sub_0806076C(Entity* this, ScriptExecutionContext* context))

ASM_FUNC("asm/non_matching/postman/sub_080608E4.inc", void sub_080608E4(Entity* this, ScriptExecutionContext* context))

void Postman_Fusion(Entity* this) {
    if (this->action == 0) {
        this->action += 1;
        this->spriteSettings.draw = 1;
        InitAnimationForceUpdate(this, 2);
    } else {
        UpdateAnimationSingleFrame(this);
    }
}