veloren/voxygen/src/anim/character/swim.rs

use super::{super::Animation, CharacterSkeleton, SkeletonAttr};
use common::comp::item::ToolKind;
use std::{f32::consts::PI, ops::Mul};
use vek::*;

pub struct SwimAnimation;

impl Animation for SwimAnimation {
    type Dependency = (Option<ToolKind>, Vec3<f32>, f32, f64);
    type Skeleton = CharacterSkeleton;

    fn update_skeleton(
        skeleton: &Self::Skeleton,
        (_active_tool_kind, velocity, _orientation, global_time): Self::Dependency,
        anim_time: f64,
        rate: &mut f32,
        skeleton_attr: &SkeletonAttr,
    ) -> Self::Skeleton {
        let mut next = (*skeleton).clone();

        let speed = Vec2::<f32>::from(velocity).magnitude();
        *rate = 1.0;

        let lab = 1.0;

        let short = (anim_time as f32 * lab as f32 * 6.0).sin();

        let shortalt = (anim_time as f32 * lab as f32 * 6.0 + PI / 2.0).sin();

        let foot = (anim_time as f32 * lab as f32 * 6.0).sin();

        let wave_stop = (anim_time as f32 * 9.0).min(PI / 2.0 / 2.0).sin();

        let head_look = Vec2::new(
            ((global_time + anim_time) as f32 / 18.0)
                .floor()
                .mul(7331.0)
                .sin()
                * 0.2,
            ((global_time + anim_time) as f32 / 18.0)
                .floor()
                .mul(1337.0)
                .sin()
                * 0.1,
        );

        next.head.offset = Vec3::new(
            0.0,
            -3.0 + skeleton_attr.head.0,
            skeleton_attr.head.1 - 1.0 + short * 0.3,
        );
        next.head.ori = Quaternion::rotation_z(head_look.x - short * 0.4)
            * Quaternion::rotation_x(head_look.y + 0.35 + speed * 0.045);
        next.head.scale = Vec3::one() * skeleton_attr.head_scale;

        next.chest.offset = Vec3::new(
            0.0,
            skeleton_attr.chest.0,
            skeleton_attr.chest.1 + short * 1.3,
        );
        next.chest.ori = Quaternion::rotation_z(short * 0.4);
        next.chest.scale = Vec3::one();

        next.belt.offset = Vec3::new(0.0, skeleton_attr.belt.0, skeleton_attr.belt.1);
        next.belt.ori = Quaternion::rotation_z(short * 0.30);
        next.belt.scale = Vec3::one();

        next.back.offset = Vec3::new(0.0, skeleton_attr.back.0, skeleton_attr.back.1);
        next.back.ori = Quaternion::rotation_z(0.0);
        next.back.scale = Vec3::one() * 1.02;

        next.shorts.offset = Vec3::new(0.0, skeleton_attr.shorts.0, skeleton_attr.shorts.1);
        next.shorts.ori = Quaternion::rotation_z(short * 0.5);
        next.shorts.scale = Vec3::one();

        next.l_hand.offset = Vec3::new(
            -skeleton_attr.hand.0,
            skeleton_attr.hand.1 - foot * 1.2,
            skeleton_attr.hand.2 + foot * -3.0,
        );
        next.l_hand.ori = Quaternion::rotation_x(0.8 + foot * -0.6) * Quaternion::rotation_y(0.2);
        next.l_hand.scale = Vec3::one();

        next.r_hand.offset = Vec3::new(
            skeleton_attr.hand.0,
            skeleton_attr.hand.1 + foot * 1.2,
            skeleton_attr.hand.2 + foot * 3.0,
        );
        next.r_hand.ori = Quaternion::rotation_x(0.8 + foot * 0.6) * Quaternion::rotation_y(-0.2);
        next.r_hand.scale = Vec3::one();

        next.l_foot.offset = Vec3::new(
            -skeleton_attr.foot.0,
            4.0 + skeleton_attr.foot.1 + foot * 1.2,
            -5.0 + skeleton_attr.foot.2 + foot * 6.5,
        );
        next.l_foot.ori = Quaternion::rotation_x(-1.40 + foot * 0.6);
        next.l_foot.scale = Vec3::one();

        next.r_foot.offset = Vec3::new(
            skeleton_attr.foot.0,
            4.0 + skeleton_attr.foot.1 - foot * 1.2,
            -5.0 + skeleton_attr.foot.2 + foot * -6.5,
        );
        next.r_foot.ori = Quaternion::rotation_x(-1.40 + foot * -0.6);
        next.r_foot.scale = Vec3::one();

        next.l_shoulder.offset = Vec3::new(
            -skeleton_attr.shoulder.0,
            skeleton_attr.shoulder.1,
            skeleton_attr.shoulder.2,
        );
        next.l_shoulder.ori = Quaternion::rotation_x(short * 0.15);
        next.l_shoulder.scale = Vec3::one() * 1.1;

        next.r_shoulder.offset = Vec3::new(
            skeleton_attr.shoulder.0,
            skeleton_attr.shoulder.1,
            skeleton_attr.shoulder.2,
        );
        next.r_shoulder.ori = Quaternion::rotation_x(short * -0.15);
        next.r_shoulder.scale = Vec3::one() * 1.1;

        next.glider.offset = Vec3::new(0.0, 0.0, 10.0);
        next.glider.scale = Vec3::one() * 0.0;

        next.main.offset = Vec3::new(-7.0, -5.0, 15.0);
        next.main.ori = Quaternion::rotation_y(2.5) * Quaternion::rotation_z(1.57 + short * 0.25);
        next.main.scale = Vec3::one();

        next.second.scale = Vec3::one() * 0.0;

        next.lantern.offset = Vec3::new(
            skeleton_attr.lantern.0,
            skeleton_attr.lantern.1,
            skeleton_attr.lantern.2,
        );
        next.lantern.ori = Quaternion::rotation_x(0.0) * Quaternion::rotation_y(0.0);
        next.lantern.scale = Vec3::one() * 0.65;

        next.torso.offset = Vec3::new(0.0, -0.3 + shortalt * -0.065, 0.4) * skeleton_attr.scaler;
        next.torso.ori = Quaternion::rotation_x(speed * -0.190 * wave_stop * 1.05);
        next.torso.scale = Vec3::one() / 11.0 * skeleton_attr.scaler;

        next.control.scale = Vec3::one();

        next.l_control.scale = Vec3::one();

        next.r_control.scale = Vec3::one();

        next
    }
}