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Dairy-Drift
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Changed to SDL instead of glfw

ObjectDef
Milk.H 2023-03-15 12:38:22 +01:00
parent e363da01b5
commit bcba7739c8
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GPG Key ID: 3D9DAE46AAC37BD8
5 changed files with 100 additions and 121 deletions
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3
Cargo.toml
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@ -11,5 +11,4 @@ image = "0.24.5"
cgmath = "0.18.0"
tobj = "2.0.0"
glow = "0.12.1"
[dependencies.glfw]
version = "*"
sdl2 = "0.35.2"

158
src/main.rs
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@ -1,15 +1,20 @@
use std::convert::TryInto;
use glfw;
use glfw::{Action, Context, Key};
//use glfw;
//use glfw::{Action, Context, Key};
use cgmath::{Matrix4, vec3, Point3, Deg, perspective};
use cgmath::prelude::*;
use std::rc::Rc;
use std::sync::Arc;
const SCR_WIDTH: u32 = 1600;
const SCR_HEIGHT: u32 = 900;
const TITLE: &str = "GLFWtest";
use glow::*;
use glow::*;
use sdl2;
use sdl2::pixels::Color;
use sdl2::keyboard::Keycode;
use sdl2::event::Event;
use std::sync::mpsc::Receiver;
use std::ptr;
use std::mem;
@ -21,27 +26,57 @@ mod model;
mod camera;
fn main() {
let mut glfw = glfw::init(glfw::FAIL_ON_ERRORS).unwrap();
//let mut glfw = glfw::init(glfw::FAIL_ON_ERRORS).unwrap();
glfw.window_hint(glfw::WindowHint::ContextVersion(3, 3));
glfw.window_hint(glfw::WindowHint::OpenGlProfile(glfw::OpenGlProfileHint::Core));
glfw.window_hint(glfw::WindowHint::OpenGlForwardCompat(true));
glfw.window_hint(glfw::WindowHint::Resizable(false));
glfw.window_hint(glfw::WindowHint::TransparentFramebuffer(false));
glfw.window_hint(glfw::WindowHint::Decorated(true));
// glfw.window_hint(glfw::WindowHint::ContextVersion(3, 3));
// glfw.window_hint(glfw::WindowHint::OpenGlProfile(glfw::OpenGlProfileHint::Core));
// glfw.window_hint(glfw::WindowHint::OpenGlForwardCompat(true));
// glfw.window_hint(glfw::WindowHint::Resizable(false));
// glfw.window_hint(glfw::WindowHint::TransparentFramebuffer(false));
// glfw.window_hint(glfw::WindowHint::Decorated(true));
let (mut window, events) = glfw.create_window(SCR_WIDTH, SCR_HEIGHT, TITLE, glfw::WindowMode::Windowed).unwrap();
// let (mut window, events) = glfw.create_window(SCR_WIDTH, SCR_HEIGHT, TITLE, glfw::WindowMode::Windowed).unwrap();
let (screen_width, screen_height) = window.get_framebuffer_size();
//let (screen_width, screen_height) = window.get_framebuffer_size();
window.make_current();
window.set_key_polling(true);
window.set_framebuffer_size_polling(true);
window.set_cursor_pos_polling(true);
window.set_cursor_mode(glfw::CursorMode::Disabled);
let (gl, shader_version, window, mut events_loop, _context) = {
let sdl = match sdl2::init()
{
Ok(sdl) => sdl,
Err(s) => panic!("Error with Initializing SDL: {}", s),
};
let video = sdl.video().unwrap();
let gl_attr = video.gl_attr();
gl_attr.set_context_profile(sdl2::video::GLProfile::Core);
gl_attr.set_context_version(3, 3);
let window = match video
.window("DairyTest", SCR_WIDTH, SCR_HEIGHT)
.opengl()
.resizable()
.build() {
Ok(ret) => ret,
Err(s) => panic!("Error with Initializing SDL Window: {}", s),
};
let gl_context = match window.gl_create_context()
{
Ok(ret) => ret,
Err(s) => panic!("Error with Initializing SDL Context: {}", s)
};
let gl = std::sync::Arc::new(unsafe{glow::Context::from_loader_function(|s| video.gl_get_proc_address(s) as *const _)});
let event_loop = match sdl.event_pump()
{
Ok(ret) => ret,
Err(s) => panic!("Error with Initializing SDL Event Loop: {}", s)
};
(gl, "#version 330", window, event_loop, gl_context)
};
let mut camera = camera::Camera {
Position: Point3::new(0.0, 0.40, 1.0),
Pitch: -20.0,
@ -57,114 +92,59 @@ fn main() {
let mut lastFrame: f32 = 0.0;
//gl::load_with(|ptr| window.get_proc_address(ptr) as *const _);
let gl = std::rc::Rc::new(unsafe{glow::Context::from_loader_function(|s| window.get_proc_address(s) as *const _)});
let (ourshader, ourModel) = unsafe {
gl.enable(glow::DEPTH_TEST);
let ourShader = shader::shader::new("model", Rc::clone(&gl));
let ourShader = shader::shader::new("model", Arc::clone(&gl));
let ourModel = model::Model::new("resources/models/TestCarModel/CarW4.obj", Rc::clone(&gl));
let ourModel = model::Model::new("resources/models/TestCarModel/CarW4.obj", Arc::clone(&gl));
(ourShader, ourModel)
};
let time = std::time::Instant::now();
let projection: Matrix4<f32> = perspective(Deg(45.0), SCR_WIDTH as f32/ SCR_HEIGHT as f32, 0.1, 100.0);
println!("entering main loop");
while !window.should_close() {
let currentFrame = glfw.get_time() as f32;
// NOTE main loop here
'running: loop {
let currentFrame = time.elapsed().as_secs_f32();
deltaTime = currentFrame - lastFrame;
lastFrame = currentFrame;
processInput(&mut window, deltaTime, &mut camera);
unsafe{
gl.enable(glow::DEPTH_TEST);
gl.clear(glow::COLOR_BUFFER_BIT | glow::DEPTH_BUFFER_BIT);
// outline
ourshader.Use();
let Projection: Matrix4<f32> = perspective(Deg(camera.Zoom), SCR_WIDTH as f32 / SCR_HEIGHT as f32, 0.1, 100.0);
let view = camera.GetViewMatrix();
ourshader.setMat4("projection", &projection);
ourshader.setMat4("view", &view);
//let mut model = Matrix4::<f32>::from_translation(vec3(0.0, -0.3, 0.0));
let mut model: Matrix4<f32> = Matrix4::from_axis_angle(vec3(0.0, -1.0, 0.0).normalize(),
cgmath::Rad(glfw.get_time() as f32));
cgmath::Rad(time.elapsed().as_secs_f32()));
model = model * Matrix4::from_scale(0.2);
ourshader.setMat4("model", &model);
}
ourModel.Draw(&ourshader);
}
window.gl_swap_window();
for event in events_loop.poll_iter() {
window.swap_buffers();
glfw.poll_events();
}
}
fn processInput(window: &mut glfw::Window, deltaTime: f32, camera: &mut camera::Camera) {
if window.get_key(Key::Escape) == Action::Press {
window.set_should_close(true)
}
/*
if window.get_key(Key::W) == Action::Press {
camera.ProcessKeyboard(camera::Camera_Movement::FORWARD, deltaTime);
}
if window.get_key(Key::S) == Action::Press {
camera.ProcessKeyboard(camera::Camera_Movement::BACKWARD, deltaTime);
}
if window.get_key(Key::A) == Action::Press {
camera.ProcessKeyboard(camera::Camera_Movement::LEFT, deltaTime);
}
if window.get_key(Key::D) == Action::Press {
camera.ProcessKeyboard(camera::Camera_Movement::RIGHT, deltaTime);
}
*/
}
/*
fn process_events(events: &Receiver<(f64, glfw::WindowEvent)>,
firstMouse: &mut bool,
lastX: &mut f32,
lastY: &mut f32,
camera: &mut camera::Camera) {
for (_, event) in glfw::flush_messages(events) {
match event {
glfw::WindowEvent::FramebufferSize(width, height) => {
// make sure the viewport matches the new window dimensions; note that width and
// height will be significantly larger than specified on retina displays.
unsafe { gl.viewport(0, 0, width, height) }
}
glfw::WindowEvent::CursorPos(xpos, ypos) => {
let (xpos, ypos) = (xpos as f32, ypos as f32);
if *firstMouse {
*lastX = xpos;
*lastY = ypos;
*firstMouse = false;
}
let xoffset = xpos - *lastX;
let yoffset = *lastY - ypos; // reversed since y-coordinates go from bottom to top
*lastX = xpos;
*lastY = ypos;
camera.ProcessMouseMovement(xoffset, yoffset, true);
}
glfw::WindowEvent::Scroll(_xoffset, yoffset) => {
camera.ProcessMouseScroll(yoffset as f32);
}
Event::Quit {..} |
Event::KeyDown { keycode: Some(Keycode::Escape), .. } => {
break 'running
},
_ => {}
}
}
}
*/
}

22
src/model.rs
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@ -3,7 +3,7 @@
use std::os::raw::c_void;
use std::path::Path;
use std::rc::Rc;
use std::sync::Arc;
use cgmath::{vec2, vec3};
use image;
use glow::*;
@ -24,9 +24,9 @@ pub struct Model {
impl Model {
/// constructor, expects a filepath to a 3D model.
pub fn new(path: &str, gl: std::rc::Rc<glow::Context>) -> Model {
pub fn new(path: &str, gl: std::sync::Arc<glow::Context>) -> Model {
let mut model = Model::default();
model.loadModel(path, Rc::clone(&gl));
model.loadModel(path, Arc::clone(&gl));
model
}
@ -38,7 +38,7 @@ impl Model {
}
// loads a model from file and stores the resulting meshes in the meshes vector.
fn loadModel(&mut self, path: &str, gl: std::rc::Rc<glow::Context>) {
fn loadModel(&mut self, path: &str, gl: Arc<glow::Context>) {
let path = Path::new(path);
// retrieve the directory path of the filepath
@ -71,28 +71,28 @@ impl Model {
// 1. diffuse map
if !material.diffuse_texture.is_empty() {
let texture = self.loadMaterialTexture(&material.diffuse_texture, "texture_diffuse", Rc::clone(&gl));
let texture = self.loadMaterialTexture(&material.diffuse_texture, "texture_diffuse", Arc::clone(&gl));
textures.push(texture);
}
// 2. specular map
if !material.specular_texture.is_empty() {
let texture = self.loadMaterialTexture(&material.specular_texture, "texture_specular", Rc::clone(&gl));
let texture = self.loadMaterialTexture(&material.specular_texture, "texture_specular", Arc::clone(&gl));
textures.push(texture);
}
// 3. normal map
if !material.normal_texture.is_empty() {
let texture = self.loadMaterialTexture(&material.normal_texture, "texture_normal", Rc::clone(&gl));
let texture = self.loadMaterialTexture(&material.normal_texture, "texture_normal", Arc::clone(&gl));
textures.push(texture);
}
// NOTE: no height maps
}
self.meshes.push(Mesh::new(vertices, indices, textures, Rc::clone(&gl)));
self.meshes.push(Mesh::new(vertices, indices, textures, Arc::clone(&gl)));
}
}
fn loadMaterialTexture(&mut self, path: &str, typeName: &str, gl: Rc<glow::Context>) -> Texture {
fn loadMaterialTexture(&mut self, path: &str, typeName: &str, gl: Arc<glow::Context>) -> Texture {
{
let texture = self.textures_loaded.iter().find(|t| t.path == path);
if let Some(texture) = texture {
@ -101,7 +101,7 @@ impl Model {
}
let texture = Texture {
id: unsafe { TextureFromFile(path, &self.directory, std::rc::Rc::clone(&gl)) },
id: unsafe { TextureFromFile(path, &self.directory, Arc::clone(&gl)) },
type_: typeName.into(),
path: path.into()
};
@ -110,7 +110,7 @@ impl Model {
}
}
unsafe fn TextureFromFile(path: &str, directory: &str, gl: Rc<glow::Context>) -> glow::NativeTexture {
unsafe fn TextureFromFile(path: &str, directory: &str, gl: Arc<glow::Context>) -> glow::NativeTexture {
let filename = format!("{}/{}", directory, path);
let mut textureID = gl.create_texture().unwrap();

4
src/model/mesh.rs
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@ -61,7 +61,7 @@ pub struct Mesh {
}
impl Mesh {
pub fn new(vertices: Vec<Vertex>, indices: Vec<u32>, textures: Vec<Texture>,gl: std::rc::Rc<glow::Context>) -> Mesh {
pub fn new(vertices: Vec<Vertex>, indices: Vec<u32>, textures: Vec<Texture>,gl: std::sync::Arc<glow::Context>) -> Mesh {
let mut mesh =
{
@ -124,7 +124,7 @@ impl Mesh {
shader.gl.active_texture(glow::TEXTURE0);
}
unsafe fn setupMesh(&mut self, gl: std::rc::Rc<glow::Context>) {
unsafe fn setupMesh(&mut self, gl: std::sync::Arc<glow::Context>) {
self.VAO = Some(gl.create_vertex_array().unwrap());
self.VBO = Some(gl.create_buffer().unwrap());

8
src/shader.rs
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@ -1,14 +1,14 @@
use glow::*;
use std::fs;
use std::rc::Rc;
use std::sync::Arc;
use std::str;
/// Shader Struct for creating and using shaders in the Context of engine
///
pub struct shader {
pub ID: NativeProgram,
pub gl: Rc<glow::Context>
pub gl: Arc<glow::Context>
}
@ -21,7 +21,7 @@ use std::str;
/// `new(String::from("Example"))`
/// if the String given was "Example" the Program expects both shaders to be in the directory "resources/shaders/Example/"
/// with the vertex shader being called "shader.vert" and fragment "shader.frag"
pub fn new(path: &str, gl: Rc<glow::Context>) -> shader
pub fn new(path: &str, gl: Arc<glow::Context>) -> shader
{
//read file contents
let VERT_SHADER = fs::read_to_string(format!("resources/shaders/{path}/shader.vert")).unwrap();
@ -58,7 +58,7 @@ use std::str;
shader {
ID: shader_program,
gl: Rc::clone(&gl),
gl: Arc::clone(&gl),
}
}
}