tgr2 0.1.0

Simple game engine for Rust
Documentation 
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#[cfg(not(target_arch = "wasm32"))]
pub(crate) use rayon::iter::{IntoParallelRefMutIterator, ParallelIterator};
#[cfg(not(target_arch = "wasm32"))]
pub(crate) use rayon::slice::{IterMut, ChunksMut};
use rayon::slice::ParallelSliceMut;
#[cfg(target_arch = "wasm32")]
pub(crate) use std::slice::{IterMut, ChunksMut};
#[cfg(not(target_arch = "wasm32"))]
use std::sync::{atomic::*, Arc, Mutex};

pub(crate) use glam::Mat4;
pub use glam::{Vec2, Vec3, Vec4, vec2, vec3, vec4};
pub(crate) use std::sync::{OnceLock, MutexGuard};

pub(crate) use std::mem::take;


pub(crate) fn _cross_iter<T: Send>(v: &mut [T]) -> IterMut<'_, T> {
    #[cfg(target_arch = "wasm32")]
    return v.iter_mut();
    #[cfg(not(target_arch = "wasm32"))]
    return v.par_iter_mut();
}

pub(crate) fn cross_chunks<T: Send>(v: &mut [T], chunks: usize) -> ChunksMut<'_, T> {
    #[cfg(target_arch = "wasm32")]
    return v.chunks_mut(chunks);
    #[cfg(not(target_arch = "wasm32"))]
    return v.par_chunks_mut(chunks);
}


/// Global Data
#[derive(Default)]
pub struct GData<T> {
    data: OnceLock<Mutex<T>>,
    buffer: T,
}
impl<T: Clone> GData<T> {
    pub const fn new(data: T) -> Self {
        Self {
            data: OnceLock::new(),
            buffer: data,
        }
    }
    pub fn lock(&self) -> MutexGuard<'_, T> {
        self.data.get_or_init(|| {
            Mutex::new(self.buffer.clone())
        }).lock().unwrap()
    }
}

/// Local Data
#[derive(Default, Clone)]
pub struct LData<T> {
    data: Arc<Mutex<T>>,
}
impl<T> LData<T> {
    pub fn new(data: T) -> Self {
        Self {
            data: Arc::new(Mutex::new(data)),
        }
    }
    pub fn lock(&self) -> MutexGuard<'_, T> {
        self.data.lock().unwrap()
    }
}


const ORD_STATUS: Ordering = Ordering::Relaxed;

/// Atomic Count
#[derive(Default)]
pub struct ACount {
    data: AtomicIsize,
}
impl ACount {
    pub const fn new(data: isize) -> Self {
        Self {
            data: AtomicIsize::new(data),
        }
    }
    pub fn set(&self, v: isize) {
        self.data.store(v, ORD_STATUS);
    }
    pub fn get(&self) -> isize {
        self.data.load(ORD_STATUS)
    }
    pub fn add(&self, v: isize) -> isize {
        self.data.fetch_add(v, ORD_STATUS)
    }
    pub fn sub(&self, v: isize) -> isize {
        self.data.fetch_sub(v, ORD_STATUS)
    }
}

/// Atomic Bool
#[derive(Default)]
pub struct ABool {
    data: AtomicBool,
}
impl ABool {
    pub const fn new(data: bool) -> Self {
        Self {
            data: AtomicBool::new(data),
        }
    }
    pub fn set(&self, v: bool) {
        self.data.store(v, ORD_STATUS);
    }
    pub fn get(&self) -> bool {
        self.data.load(ORD_STATUS)
    }
}