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

5 files changed, 91 insertions, 84 deletions

diff --git a/examples/render-triangles/Cargo.toml b/examples/render-quad/Cargo.toml
index 0b47393..6f75543 100644
--- a/examples/render-triangles/Cargo.toml
+++ b/examples/render-quad/Cargo.toml
@@ -7,7 +7,7 @@ authors = ["Oscar <oscar.shrimpton.personal@gmail.com>"]
 stockton-render = { path = "../../stockton-render", features = ["vulkan"] }
 stockton-types = { path = "../../stockton-types" }
 stockton-bsp = "2.0.0"
-winit = "0.19.1"
+winit = "^0.21"
 log = "0.4.0"
 simple_logger = "1.0"
 rand = "0.7"
diff --git a/examples/render-quad/README.md b/examples/render-quad/README.md
new file mode 100644
index 0000000..c129ff6
--- /dev/null
+++ b/examples/render-quad/README.md
@@ -0,0 +1,3 @@
+# render-quad
+
+Renders a rainbow quad. The top-left corner follows your mouse.
\ No newline at end of file
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();
+			}
+			_ => ()
+		}
+	});
+}
diff --git a/examples/render-triangles/README.md b/examples/render-triangles/README.md
deleted file mode 100644
index a048662..0000000
--- a/examples/render-triangles/README.md
+++ /dev/null
@@ -1,3 +0,0 @@
-# render-triangles
-
-Renders rainbow triangles. Space adds a new random triangle, Escape exits.
\ No newline at end of file
diff --git a/examples/render-triangles/src/main.rs b/examples/render-triangles/src/main.rs
deleted file mode 100644
index 63c589b..0000000
--- a/examples/render-triangles/src/main.rs
+++ /dev/null
@@ -1,80 +0,0 @@
-// 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, Tri2};
-use stockton_types::Vector2;
-
-use winit::{Event, WindowEvent, VirtualKeyCode, ElementState};
-use rand::prelude::*;
-
-fn main() {
-
-	simple_logger::init().unwrap();
-
-	// Create the renderer.
-	let mut ctx = RenderingContext::new().unwrap();
-	let mut rng = thread_rng();
-	let mut running = true;
-	let mut add_tri = false;
-
-    while running {
-    	ctx.events_loop.poll_events(|event| {
-    		match event {
-		    	// TODO: Handle resize
-		    	Event::WindowEvent {
-		    		event: WindowEvent::KeyboardInput { input,  .. },
-		    		..
-		    	} => match input.state {
-		    		ElementState::Released => match input.virtual_keycode {
-			    		Some(VirtualKeyCode::Escape) => running = false,
-			    		Some(VirtualKeyCode::Space) => add_tri = true,
-			    		_ => ()
-			    	},
-			    	_ => ()
-			    }
-    			_ => ()
-    		}
-    	});
-
-    	if add_tri {
-    		ctx.add_map_vert(Tri2 ([
-				Vector2::new(
-					rng.gen_range(-1.0, 1.0),
-					rng.gen_range(-1.0, 1.0),
-					),
-				Vector2::new(
-					rng.gen_range(-1.0, 1.0),
-					rng.gen_range(-1.0, 1.0),
-					),
-				Vector2::new(
-					rng.gen_range(-1.0, 1.0),
-					rng.gen_range(-1.0, 1.0),
-					)
-			])).unwrap();
-			add_tri = false;
-    	}
-
-    	ctx.draw_vertices().unwrap();
-	}
-}