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use {
crate::{
camera::{IntoProjection, View},
canvas::CanvasEvent,
handles::*,
mesh::Data as MeshData,
pipeline::ParametersBuilder,
render::Render,
render_frame::FrameFilter,
screen::Screen,
texture::Data as TextureData,
topology::Topology,
transform::{IntoQuat, IntoTransform},
vertex::Vertex,
Error,
},
winit::{event_loop::EventLoopProxy, window::Window},
};
pub struct Context {
pub(crate) window: Window,
pub(crate) proxy: EventLoopProxy<CanvasEvent>,
pub(crate) render: Render,
pub(crate) limits: Limits,
}
impl Context {
pub fn window(&self) -> &Window {
&self.window
}
pub fn plan_to_close(&self) {
_ = self.proxy.send_event(CanvasEvent::Close);
}
pub fn size(&self) -> (u32, u32) {
self.render.screen().virtual_size()
}
pub fn set_limits(&mut self, limits: Limits) {
self.limits = limits;
}
pub fn set_frame_parameters(&mut self, params: FrameParameters) {
self.render.set_screen(Some(Screen {
pixel_size: params.pixel_size,
filter: params.filter,
..self.render.screen()
}));
}
pub fn create_layer<V, T>(&mut self) -> LayerHandle<V, T>
where
V: Vertex,
T: Topology,
{
self.create_layer_with_parameters().build()
}
pub fn create_layer_with_parameters<V, T>(&mut self) -> ParametersBuilder<V, T> {
ParametersBuilder::new(&mut self.render)
}
pub fn delete_layer<V, T>(&mut self, handle: LayerHandle<V, T>) -> Result<(), Error> {
self.render.delete_layer(handle)
}
pub fn create_texture(&mut self, data: TextureData) -> TextureHandle {
self.render.create_texture(data)
}
pub fn update_texture(
&mut self,
handle: TextureHandle,
data: TextureData,
) -> Result<(), Error> {
self.render.update_texture(handle, data)
}
pub fn delete_texture(&mut self, handle: TextureHandle) -> Result<(), Error> {
self.render.delete_texture(handle)
}
pub fn create_instances<I>(&mut self, data: I) -> InstanceHandle
where
I: IntoIterator,
I::Item: IntoTransform,
<I::Item as IntoTransform>::IntoQuat: IntoQuat,
{
let models: Vec<_> = data
.into_iter()
.map(|transform| transform.into_transform().into_model())
.collect();
self.render.create_instances(&models)
}
pub fn update_instances<I>(&mut self, handle: InstanceHandle, data: I) -> Result<(), Error>
where
I: IntoIterator,
I::Item: IntoTransform,
<I::Item as IntoTransform>::IntoQuat: IntoQuat,
{
let models: Vec<_> = data
.into_iter()
.map(|transform| transform.into_transform().into_model())
.collect();
self.render.update_instances(handle, &models)
}
pub fn delete_instances(&mut self, handle: InstanceHandle) -> Result<(), Error> {
self.render.delete_instances(handle)
}
pub fn create_mesh<V, T>(&mut self, data: &MeshData<V, T>) -> MeshHandle<V, T>
where
V: Vertex,
T: Topology,
{
self.render.create_mesh(data)
}
pub fn update_mesh<V, T>(
&mut self,
handle: MeshHandle<V, T>,
data: &MeshData<V, T>,
) -> Result<(), Error>
where
V: Vertex,
T: Topology,
{
self.render.update_mesh(handle, data)
}
pub fn delete_mesh<V, T>(&mut self, handle: MeshHandle<V, T>) -> Result<(), Error> {
self.render.delete_mesh(handle)
}
pub fn create_view<P>(&mut self, view: View<P>) -> ViewHandle
where
P: IntoProjection,
{
self.render.create_view(view.into_projection_view())
}
pub fn update_view<P>(&mut self, handle: ViewHandle, view: View<P>) -> Result<(), Error>
where
P: IntoProjection,
{
self.render.update_view(handle, view.into_projection_view())
}
pub fn delete_view(&mut self, handle: ViewHandle) -> Result<(), Error> {
self.render.delete_view(handle)
}
}
#[derive(Clone, Copy)]
pub struct Limits {
pub min_frame_delta_time: Option<f32>,
}
impl Default for Limits {
fn default() -> Self {
const FPS: f32 = 60.;
Self {
min_frame_delta_time: Some(1. / FPS),
}
}
}
#[derive(Clone, Copy, Default)]
pub struct FrameParameters {
pub pixel_size: PixelSize,
pub filter: FrameFilter,
}
#[derive(Clone, Copy, Default)]
pub enum PixelSize {
XHalf,
#[default]
X1,
X2,
X3,
X4,
}