// chuckya.inc.c

struct UnusedChuckyaData {
    u8 unk0;
    f32 unk4;
    f32 unk8;
};

struct UnusedChuckyaData sUnusedChuckyaData[] = {
    { 2, 0.f,  1.f },
    { 2, 10.f, 1.f },
    { 2, 20.f, 1.f },
    { 2, 20.f, 1.f },
    { 8, 10.f, 1.f },
};

void common_anchor_mario_behavior(f32 sp28, f32 sp2C, s32 sp30) {
    switch (o->parentObj->oChuckyaUnk88) {
        case 0:
            break;

        case 1:
            obj_set_gfx_pos_at_obj_pos(gMarioObject, o);
            break;

        case 2:
            gMarioObject->oInteractStatus |= (INT_STATUS_MARIO_UNK2 + sp30);
            gMarioStates[0].forwardVel = sp28;
            gMarioStates[0].vel[1] = sp2C;
            o->parentObj->oChuckyaUnk88 = 0;
            break;

        case 3:
            gMarioObject->oInteractStatus |= (INT_STATUS_MARIO_UNK2 | INT_STATUS_MARIO_UNK6);
            gMarioStates[0].forwardVel = 10.0f;
            gMarioStates[0].vel[1] = 10.0f;
            o->parentObj->oChuckyaUnk88 = 0;
            break;
    }

    o->oMoveAngleYaw = o->parentObj->oMoveAngleYaw;

    if (o->parentObj->activeFlags == ACTIVE_FLAG_DEACTIVATED) {
        obj_mark_for_deletion(o);
    }
}

void bhv_chuckya_anchor_mario_loop(void) {
    common_anchor_mario_behavior(40.0f, 40.0f, INT_STATUS_MARIO_UNK6);
}

s32 unknown_chuckya_function(s32 sp20, f32 sp24, f32 sp28, s16 sp2C) {
    s32 sp1C = 0;

    if (o->oChuckyaUnkF8 != 4) {
        if (sp24 < cur_obj_lateral_dist_from_mario_to_home()) {
            if (cur_obj_lateral_dist_to_home() < 200.0f) {
                sp1C = 0;
            } else {
                sp1C = 1;
                o->oAngleToMario = cur_obj_angle_to_home();
            }
        } else if (o->oDistanceToMario > sp28) {
            if (gGlobalTimer % sp2C == 0) {
                o->oAngleToMario = obj_angle_to_object(o, gMarioObject);
            }
            sp1C = 2;
        } else {
            sp1C = 3;
        }

        if (sp20 && update_angle_from_move_flags(&o->oAngleToMario)) {
            sp1C = 4;
            o->oChuckyaUnkF8 = 4;
        }
    } else {
        sp1C = 4;
    }

    return sp1C;
}

s32 approach_forward_vel(f32 *forwardVel, f32 spC, f32 sp10) {
    s32 sp4 = 0;

    if (*forwardVel > spC) {
        *forwardVel -= sp10;
        if (*forwardVel < spC) {
            *forwardVel = spC;
        }
    } else if (*forwardVel < spC) {
        *forwardVel += sp10;
        if (*forwardVel > spC) {
            *forwardVel = spC;
        }
    } else {
        sp4 = 1;
    }

    return sp4;
}

void chuckya_act_0(void) {
    s32 sp3C;
    UNUSED u8 filler[16];
    s32 sp28;
#ifdef AVOID_UB
    sp3C = 0;
#endif

    if (o->oTimer == 0) {
        o->oChuckyaUnkFC = 0;
    }

    o->oAngleToMario = obj_angle_to_object(o, gMarioObject);

    switch (sp28 = o->oSubAction) {
        case 0:
            o->oForwardVel = 0.0f;
            if (cur_obj_lateral_dist_from_mario_to_home() < 2000.0f) {
                cur_obj_rotate_yaw_toward(o->oAngleToMario, 0x400);
                if (o->oChuckyaUnkFC > 40
                    || abs_angle_diff(o->oMoveAngleYaw, o->oAngleToMario) < 0x1000) {
                    o->oSubAction = 1;
                }
            } else {
                o->oSubAction = 3;
            }
            break;

        case 1:
            approach_forward_vel(&o->oForwardVel, 30.0f, 4.0f);
            if (abs_angle_diff(o->oMoveAngleYaw, o->oAngleToMario) > 0x4000) {
                o->oSubAction = 2;
            }
            if (cur_obj_lateral_dist_from_mario_to_home() > 2000.0f) {
                o->oSubAction = 3;
            }
            break;

        case 2:
            approach_forward_vel(&o->oForwardVel, 0, 4.0f);
            if (o->oChuckyaUnkFC > 48) {
                o->oSubAction = 0;
            }
            break;

        case 3:
            if (cur_obj_lateral_dist_to_home() < 500.0f) {
                o->oForwardVel = 0.0f;
            } else {
                approach_forward_vel(&o->oForwardVel, 10.0f, 4.0f);
                o->oAngleToMario = cur_obj_angle_to_home();
                cur_obj_rotate_yaw_toward(o->oAngleToMario, 0x800);
            }
            if (cur_obj_lateral_dist_from_mario_to_home() < 1900.0f) {
                o->oSubAction = 0;
            }
            break;
    }

    if (o->oSubAction != sp28) {
        o->oChuckyaUnkFC = 0;
    } else {
        o->oChuckyaUnkFC++;
    }

    cur_obj_init_animation_with_sound(4);

    if (o->oForwardVel > 1.0f) {
        cur_obj_play_sound_1(SOUND_AIR_CHUCKYA_MOVE);
    }

    print_debug_bottom_up("fg %d", sp3C);
    print_debug_bottom_up("sp %d", o->oForwardVel);
}

void chuckya_act_1(void) {
    if (o->oSubAction == 0) {
        if (cur_obj_init_animation_and_check_if_near_end(0)) {
            o->oSubAction++;
        }
        o->oChuckyaUnkFC = random_float() * 30.0f + 10.0f;
        o->oChuckyaUnk100 = 0;
        o->oForwardVel = 0.0f;
    } else {
        if (o->oSubAction == 1) {
            o->oChuckyaUnk100 += player_performed_grab_escape_action();
            print_debug_bottom_up("%d", o->oChuckyaUnk100);
            if (o->oChuckyaUnk100 > 10) {
                o->oChuckyaUnk88 = 3;
                o->oAction = 3;
                o->oInteractStatus &= ~INT_STATUS_GRABBED_MARIO;
            } else {
                cur_obj_init_animation_with_sound(1);
                o->oMoveAngleYaw += INT_STATUS_GRABBED_MARIO;
                if (o->oChuckyaUnkFC-- < 0
                    && (check_if_moving_over_floor(50.0f, 150.0f) || o->oChuckyaUnkFC < -16)) {
                    o->oSubAction++;
                }
            }
        } else {
            cur_obj_init_animation_with_sound(3);
            if (cur_obj_check_anim_frame(18)) {
                cur_obj_play_sound_2(SOUND_OBJ_UNKNOWN4);
                o->oChuckyaUnk88 = 2;
                o->oAction = 3;
                o->oInteractStatus &= ~INT_STATUS_GRABBED_MARIO;
            }
        }
    }
}

void chuckya_act_3(void) {
    o->oForwardVel = 0.0f;
    o->oVelY = 0.0f;
    cur_obj_init_animation_with_sound(4);
    if (o->oTimer > 100) {
        o->oAction = 0;
    }
}

void chuckya_act_2(void) {
    if (o->oMoveFlags & (OBJ_MOVE_HIT_WALL | OBJ_MOVE_MASK_IN_WATER | OBJ_MOVE_LANDED)) {
        obj_mark_for_deletion(o);
        obj_spawn_loot_yellow_coins(o, 5, 20.0f);
        spawn_mist_particles_with_sound(SOUND_OBJ_CHUCKYA_DEATH);
    }
}

void (*sChuckyaActions[])(void) = {
    chuckya_act_0,
    chuckya_act_1,
    chuckya_act_2,
    chuckya_act_3,
};

void chuckya_move(void) {
    cur_obj_update_floor_and_walls();
    cur_obj_call_action_function(sChuckyaActions);
    cur_obj_move_standard(-30);
    if (o->oInteractStatus & INT_STATUS_GRABBED_MARIO) {
        o->oAction = 1;
        o->oChuckyaUnk88 = 1;
        cur_obj_play_sound_2(SOUND_OBJ_UNKNOWN3);
    }
}

void bhv_chuckya_loop(void) {
    f32 sp2C = 20.0f;
    f32 sp28 = 50.0f;

    cur_obj_scale(2.0f);
    o->oInteractionSubtype |= INT_SUBTYPE_GRABS_MARIO;

    switch (o->oHeldState) {
        case HELD_FREE:
            chuckya_move();
            break;
        case HELD_HELD:
            cur_obj_unrender_set_action_and_anim(2, 0);
            break;
        case HELD_THROWN:
        case HELD_DROPPED:
            cur_obj_get_thrown_or_placed(sp2C, sp28, 2);
            break;
    }

    o->oInteractStatus = 0;

    print_debug_bottom_up("md %d", o->oAction);
}
