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// 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;
extern crate image;
use stockton_render::draw::{RenderingContext, UVPoint};
use stockton_types::{Vector2, Vector3};
use image::load_from_memory;
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();
// Load 2 test textures
ctx.add_texture(
load_from_memory(include_bytes!("../data/test1.png"))
.expect("Couldn't load test texture 1")
.into_rgba())
.unwrap();
ctx.add_texture(
load_from_memory(include_bytes!("../data/test2.png"))
.expect("Couldn't load test texture 2")
.into_rgba())
.unwrap();
// First quad with test1
ctx.vert_buffer[0] = UVPoint(Vector2::new(-1.0, -1.0), Vector3::new(1.0, 0.0, 0.0), Vector2::new(0.0, 0.0), 0);
ctx.vert_buffer[1] = UVPoint(Vector2::new(0.0, -1.0), Vector3::new(0.0, 1.0, 0.0), Vector2::new(1.0, 0.0), 0);
ctx.vert_buffer[2] = UVPoint(Vector2::new(0.0, 0.0), Vector3::new(0.0, 0.0, 1.0), Vector2::new(1.0, 1.0), 0);
ctx.vert_buffer[3] = UVPoint(Vector2::new(-1.0, 0.0), Vector3::new(1.0, 0.0, 1.0), Vector2::new(0.0, 1.0), 0);
ctx.index_buffer[0] = (0, 1, 2);
ctx.index_buffer[1] = (0, 2, 3);
// Second quad with test2
ctx.vert_buffer[4] = UVPoint(Vector2::new(0.0, -1.0), Vector3::new(1.0, 0.0, 0.0), Vector2::new(0.0, 0.0), 1);
ctx.vert_buffer[5] = UVPoint(Vector2::new(1.0, -1.0), Vector3::new(0.0, 1.0, 0.0), Vector2::new(1.0, 0.0), 1);
ctx.vert_buffer[6] = UVPoint(Vector2::new(1.0, 0.0), Vector3::new(0.0, 0.0, 1.0), Vector2::new(1.0, 1.0), 1);
ctx.vert_buffer[7] = UVPoint(Vector2::new(0.0, 0.0), Vector3::new(1.0, 0.0, 1.0), Vector2::new(0.0, 1.0), 1);
ctx.index_buffer[2] = (4, 5, 6);
ctx.index_buffer[3] = (4, 7, 6);
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;
// Move a vertex from each quad
ctx.vert_buffer[2] = UVPoint(Vector2::new(mouse_x, mouse_y), Vector3::new(1.0, 0.0, 0.0), Vector2::new(1.0, 1.0), 0);
ctx.vert_buffer[7] = UVPoint(Vector2::new(mouse_x, mouse_y), Vector3::new(1.0, 0.0, 0.0), Vector2::new(0.0, 1.0), 1);
}
Event::MainEventsCleared => {
window.request_redraw()
},
Event::RedrawRequested(_) => {
ctx.draw_vertices().unwrap();
}
_ => ()
}
});
}
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