refactor(render): update gfx-hal and use staging and index buffers.

also some minor changes to types because of deprecation
and a bunch of readability improvements

1 files changed, 87 insertions, 0 deletions

diff --git a/examples/render-quad/src/main.rs b/examples/render-quad/src/main.rs
new file mode 100644
index 0000000..d0993ea
--- /dev/null
+++ b/examples/render-quad/src/main.rs
@@ -0,0 +1,87 @@
+// Copyright (C) Oscar Shrimpton 2019  
+
+// This program is free software: you can redistribute it and/or modify it
+// under the terms of the GNU General Public License as published by the Free
+// Software Foundation, either version 3 of the License, or (at your option)
+// any later version.
+
+// 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 General Public License for
+// more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+//! Renders ./example.bsp
+
+extern crate stockton_types;
+extern crate stockton_bsp;
+extern crate stockton_render;
+extern crate winit;
+extern crate simple_logger;
+extern crate rand;
+
+use stockton_render::draw::{RenderingContext, UVPoint};
+use stockton_types::{Vector2, Vector3};
+
+use winit::{
+    event::{Event, WindowEvent},
+    event_loop::{ControlFlow, EventLoop},
+    window::WindowBuilder
+};
+
+fn main() {
+
+	simple_logger::init().unwrap();
+
+	// Create the renderer.
+
+	let event_loop = EventLoop::new();
+	let window = WindowBuilder::new().build(&event_loop).unwrap();
+	let mut ctx = RenderingContext::new(&window).unwrap();
+
+	ctx.vert_buffer[0] = UVPoint(Vector2::new(-0.5, -0.5), Vector3::new(1.0, 0.0, 0.0));
+	ctx.vert_buffer[1] = UVPoint(Vector2::new(0.5, -0.5), Vector3::new(0.0, 1.0, 0.0));
+	ctx.vert_buffer[2] = UVPoint(Vector2::new(0.5, 0.5), Vector3::new(0.0, 0.0, 1.0));
+	ctx.vert_buffer[3] = UVPoint(Vector2::new(-0.5, 0.5), Vector3::new(1.0, 0.0, 1.0));
+
+	ctx.index_buffer[0] = (0, 1, 2);
+	ctx.index_buffer[1] = (0, 2, 3);
+
+	event_loop.run(move |event, _, flow| {
+		*flow = ControlFlow::Poll;
+		
+		match event {
+			// TODO: Handle resize
+			Event::WindowEvent {
+				event: WindowEvent::CloseRequested,
+				..
+			} => {
+				*flow = ControlFlow::Exit
+			},
+
+			Event::WindowEvent {
+				event: WindowEvent::CursorMoved {
+					position,
+					..
+				},
+				..
+			} => {
+				let win_size = window.inner_size();
+				let mouse_x: f32 = ((position.x / win_size.width as f64) * 2.0 - 1.0) as f32;
+				let mouse_y: f32 = ((position.y / win_size.height as f64) * 2.0 - 1.0) as f32;
+
+				ctx.vert_buffer[0] = UVPoint(Vector2::new(mouse_x, mouse_y), Vector3::new(1.0, 0.0, 0.0));
+			}
+
+			Event::MainEventsCleared => {
+				window.request_redraw()
+			},
+			Event::RedrawRequested(_) => {		
+				ctx.draw_vertices().unwrap();
+			}
+			_ => ()
+		}
+	});
+}