veloren_voxygen_anim/item/
mod.rs

1pub mod idle;
2
3// Reexports
4pub use self::idle::IdleAnimation;
5
6use super::{FigureBoneData, Offsets, Skeleton, make_bone, vek::*};
7use common::comp::{self, body::item::ItemArmorKind};
8use core::convert::TryFrom;
9use std::f32::consts::PI;
10
11pub type Body = comp::body::item::Body;
12
13skeleton_impls!(struct ItemSkeleton {
14    + bone0,
15});
16
17impl Skeleton for ItemSkeleton {
18    type Attr = SkeletonAttr;
19    type Body = Body;
20
21    const BONE_COUNT: usize = 1;
22    #[cfg(feature = "use-dyn-lib")]
23    const COMPUTE_FN: &'static [u8] = b"item_compute_mats\0";
24
25    #[cfg_attr(feature = "be-dyn-lib", unsafe(export_name = "item_compute_mats"))]
26    fn compute_matrices_inner(
27        &self,
28        base_mat: Mat4<f32>,
29        buf: &mut [FigureBoneData; super::MAX_BONE_COUNT],
30        body: Self::Body,
31    ) -> Offsets {
32        let scale_mat = Mat4::scaling_3d(1.0 / 11.0 * Self::scale(&body));
33
34        let bone0_mat = base_mat * scale_mat * Mat4::<f32>::from(self.bone0);
35
36        *(<&mut [_; Self::BONE_COUNT]>::try_from(&mut buf[0..Self::BONE_COUNT]).unwrap()) =
37            [make_bone(bone0_mat)];
38        Offsets {
39            lantern: Some((bone0_mat * Vec4::new(0.0, 0.0, 3.5, 1.0)).xyz()),
40            mount_bone: Transform {
41                position: comp::Body::Item(body).mount_offset().into_tuple().into(),
42                ..Default::default()
43            },
44            ..Default::default()
45        }
46    }
47}
48
49impl ItemSkeleton {
50    pub fn scale(body: &Body) -> f32 {
51        match body {
52            Body::Tool(_) | Body::Thrown(_) => 0.8,
53            Body::Glider => 0.45,
54            Body::Coins => 0.3,
55            Body::Armor(kind) => match kind {
56                ItemArmorKind::Neck | ItemArmorKind::Ring => 0.5,
57                ItemArmorKind::Back => 0.7,
58                _ => 0.8,
59            },
60            _ => 1.0,
61        }
62    }
63}
64
65pub struct SkeletonAttr {
66    bone0: (f32, f32, f32, f32),
67}
68
69impl<'a> TryFrom<&'a comp::Body> for SkeletonAttr {
70    type Error = ();
71
72    fn try_from(body: &'a comp::Body) -> Result<Self, Self::Error> {
73        match body {
74            comp::Body::Item(body) => Ok(SkeletonAttr::from(body)),
75            _ => Err(()),
76        }
77    }
78}
79
80impl Default for SkeletonAttr {
81    fn default() -> Self {
82        Self {
83            bone0: (0.0, 0.0, 0.0, 0.0),
84        }
85    }
86}
87
88impl<'a> From<&'a Body> for SkeletonAttr {
89    fn from(body: &'a Body) -> Self {
90        match body {
91            Body::Thrown(_) => Self {
92                bone0: (0.0, 0.0, 0.0, -PI / 2.0),
93            },
94            _ => Self {
95                bone0: (0.0, 0.0, 0.0, 0.0),
96            },
97        }
98    }
99}
veloren_voxygen_anim/item/mod.rs

veloren_voxygen_anim/item/
mod.rs
