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/*
wearechat - generic multiplayer game with voip
Copyright (C) 2025 metamuffin
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, version 3 of the License only.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
use glam::Mat4;
use std::sync::Arc;
use weareshared::resources::ArmaturePart;
use wgpu::{Buffer, BufferDescriptor, BufferUsages, Device, Queue};
const MAX_JOINTS: usize = 128;
pub struct RArmature {
pub joint_mat_uniform_buffer: Arc<Buffer>,
joint_mat: Vec<Mat4>,
_data: ArmaturePart,
}
impl RArmature {
pub fn new(device: &Device, armature: ArmaturePart) -> Self {
Self {
joint_mat_uniform_buffer: Arc::new(device.create_buffer(&BufferDescriptor {
label: Some("joint uniform"),
size: (MAX_JOINTS * size_of::<f32>() * 16) as u64,
usage: BufferUsages::COPY_DST | BufferUsages::UNIFORM,
mapped_at_creation: false,
})),
_data: armature,
joint_mat: vec![],
}
}
pub fn update(&mut self) {
self.joint_mat.fill(Mat4::IDENTITY);
}
pub fn write_uniform(&self, queue: &Queue) {
queue.write_buffer(
&self.joint_mat_uniform_buffer,
0,
bytemuck::cast_slice(self.joint_mat.as_slice()),
);
}
}
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