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use super::{
    super::{vek::*, Animation},
    BirdLargeSkeleton, SkeletonAttr,
};
use common::states::utils::StageSection;

pub struct ComboAnimation;
impl Animation for ComboAnimation {
    type Dependency<'a> = (
        Option<&'a str>,
        Option<StageSection>,
        usize,
        f32,
        f32,
        Vec3<f32>,
        Vec3<f32>,
        bool,
    );
    type Skeleton = BirdLargeSkeleton;

    #[cfg(feature = "use-dyn-lib")]
    const UPDATE_FN: &'static [u8] = b"bird_large_combo\0";

    #[cfg_attr(feature = "be-dyn-lib", export_name = "bird_large_combo")]
    fn update_skeleton_inner(
        skeleton: &Self::Skeleton,
        (
            ability_id,
            stage_section,
            current_strike,
            global_time,
            timer,
            orientation,
            last_ori,
            on_ground,
        ): Self::Dependency<'_>,
        anim_time: f32,
        rate: &mut f32,
        s_a: &SkeletonAttr,
    ) -> Self::Skeleton {
        *rate = 1.0;
        let mut next = (*skeleton).clone();

        let multi_strike_pullback = 1.0
            - if matches!(stage_section, Some(StageSection::Recover)) {
                anim_time.powi(4)
            } else {
                0.0
            };

        let (move1base, move2base, _move3) = match stage_section {
            Some(StageSection::Buildup) => (anim_time.powf(0.25), 0.0, 0.0),
            Some(StageSection::Action) => (1.0, anim_time, 0.0),
            Some(StageSection::Recover) => (1.0, 1.0, anim_time.powf(4.0)),
            _ => (0.0, 0.0, 0.0),
        };

        let wave_slow_cos = (anim_time * 4.5).cos();

        let subtract = global_time - timer;
        let check = subtract - subtract.trunc();
        let mirror = (check - 0.5).signum();

        let move1 = move1base * multi_strike_pullback;
        let move2 = move2base * multi_strike_pullback;
        let move1mirror = move1base * multi_strike_pullback * mirror;
        let ori: Vec2<f32> = Vec2::from(orientation);
        let last_ori = Vec2::from(last_ori);
        let tilt = if vek::Vec2::new(ori, last_ori)
            .map(|o| o.magnitude_squared())
            .map(|m| m > 0.001 && m.is_finite())
            .reduce_and()
            && ori.angle_between(last_ori).is_finite()
        {
            ori.angle_between(last_ori).min(0.2)
                * last_ori.determine_side(Vec2::zero(), ori).signum()
        } else {
            0.0
        } * 1.3;

        for strike in 0..=current_strike {
            match ability_id {
                Some("common.abilities.custom.birdlargefire.legstrike") => match strike {
                    0..=2 => {
                        next.chest.position = Vec3::new(
                            0.0,
                            s_a.chest.0,
                            s_a.chest.1 + wave_slow_cos * 0.06 + move2 * -6.0,
                        );
                        next.chest.orientation = Quaternion::rotation_x(move1 * 0.5 - move2 * 0.8);
                        next.leg_r.orientation = Quaternion::rotation_x(move1 * 1.5 + move2 * -2.5);
                        next.leg_l.orientation = Quaternion::rotation_x(move1 * 1.5 + move2 * -2.5);
                    },
                    _ => {},
                },
                _ => match strike {
                    0..=2 => {
                        next.chest.position = Vec3::new(
                            0.0,
                            s_a.chest.0,
                            s_a.chest.1 + wave_slow_cos * 0.06 + move2 * -6.0,
                        );
                        next.chest.orientation = Quaternion::rotation_x(move1 * 0.5 - move2 * 0.8);

                        next.neck.position = Vec3::new(0.0, s_a.neck.0, s_a.neck.1);
                        next.neck.orientation = Quaternion::rotation_x(move1 * 0.5 - move2 * 0.4)
                            * Quaternion::rotation_z(move1 * tilt * 1.5)
                            * Quaternion::rotation_y(move1mirror * 0.3);

                        next.head.position = Vec3::new(0.0, s_a.head.0, s_a.head.1);
                        next.head.orientation = Quaternion::rotation_x(move1 * -0.2 - move2 * 0.2)
                            * Quaternion::rotation_y(move1mirror * 0.5);

                        next.beak.position = Vec3::new(0.0, s_a.beak.0, s_a.beak.1);
                        next.beak.orientation = Quaternion::rotation_x(
                            wave_slow_cos * -0.02 + move1 * -0.5 + move2 * 0.5,
                        );

                        if on_ground {
                            next.tail_front.position =
                                Vec3::new(0.0, s_a.tail_front.0, s_a.tail_front.1);
                            next.tail_front.orientation = Quaternion::rotation_x(-move1 * 0.2);
                            next.tail_rear.position =
                                Vec3::new(0.0, s_a.tail_rear.0, s_a.tail_rear.1);
                            next.tail_rear.orientation = Quaternion::rotation_x(0.0);

                            next.wing_in_l.position =
                                Vec3::new(-s_a.wing_in.0, s_a.wing_in.1, s_a.wing_in.2);
                            next.wing_in_r.position =
                                Vec3::new(s_a.wing_in.0, s_a.wing_in.1, s_a.wing_in.2);

                            next.wing_in_l.orientation = Quaternion::rotation_y(
                                -1.0 + wave_slow_cos * 0.06 + move1 * 1.0 + move2 * 0.5,
                            ) * Quaternion::rotation_z(0.2);
                            next.wing_in_r.orientation = Quaternion::rotation_y(
                                1.0 - wave_slow_cos * 0.06 + move1 * -1.0 + move2 * -0.5,
                            ) * Quaternion::rotation_z(-0.2);

                            next.wing_mid_l.position =
                                Vec3::new(-s_a.wing_mid.0, s_a.wing_mid.1, s_a.wing_mid.2);
                            next.wing_mid_r.position =
                                Vec3::new(s_a.wing_mid.0, s_a.wing_mid.1, s_a.wing_mid.2);
                            next.wing_mid_l.orientation =
                                Quaternion::rotation_y(-0.1 + move1 * -0.5)
                                    * Quaternion::rotation_z(0.7 + move1 * -0.7);
                            next.wing_mid_r.orientation = Quaternion::rotation_y(0.1 + move1 * 0.5)
                                * Quaternion::rotation_z(-0.7 + move1 * 0.7);

                            next.wing_out_l.position =
                                Vec3::new(-s_a.wing_out.0, s_a.wing_out.1, s_a.wing_out.2);
                            next.wing_out_r.position =
                                Vec3::new(s_a.wing_out.0, s_a.wing_out.1, s_a.wing_out.2);
                            next.wing_out_l.orientation =
                                Quaternion::rotation_y(-0.2 + move1 * -0.3)
                                    * Quaternion::rotation_z(0.2);
                            next.wing_out_r.orientation = Quaternion::rotation_y(0.2 + move1 * 0.3)
                                * Quaternion::rotation_z(-0.2);
                        }
                    },
                    _ => {},
                },
            }
        }

        next
    }
}