Merge pull request 'sceneObj' (#3) from sceneObj into master

Reviewed-on: #3

src/debug.rs

@@ -0,0 +1,231 @@
+
+use imgui_glow_renderer::AutoRenderer;
+use imgui_sdl2_support::SdlPlatform;
+use std::collections::HashMap;
+use sdl2::event::Event;
+const MODELS: [&str; 3]= ["resources/models/TestCarModel/CarW4.obj", "resources/models/TestCarModel/CarW1.obj",
+"resources/models/TestCarModel/CarW0.obj"];
+
+mod info;
+
+
+pub enum dEvent
+    {
+        loadModel(i32),
+        setTest(f32, i32),
+        addWindow(OpenWindows),
+        removeWindow(OpenWindows),
+        exit,
+    }
+
+
+pub enum Callback
+    {
+        ModelInfo(info::ModelI),
+        TestWind(info::testI),
+        MainMenu,
+    }
+
+#[derive(Clone, PartialEq)]
+pub enum OpenWindows {
+    ModelInfo,
+    TestWind,
+    MainMenu,
+}
+
+pub struct Debug {
+    imgui: imgui::Context,
+    renderer: AutoRenderer,
+    platform: SdlPlatform,
+    pub windows: HashMap<u16, OpenWindows>,
+    next_id: u16,
+    free_ids:Vec<u16>
+}
+
+
+
+impl Debug {
+    pub fn new(gl: std::sync::Arc<glow::Context>) -> Debug
+        {
+            let mut imgui = imgui::Context::create();
+
+            imgui
+                .fonts()
+                .add_font(&[imgui::FontSource::DefaultFontData {config: None}]);
+
+            let mut platform = SdlPlatform::init(&mut imgui);
+            let mut renderer = match AutoRenderer::initialize(gl.clone(), &mut imgui)
+                {
+                    Ok(ret) => ret,
+                    Err(s) => panic!("Failed to initialize Imgui Platform Renderer: {}", s),
+                };
+
+            let mut windows = HashMap::new();
+            windows.insert(0,OpenWindows::MainMenu,);
+            Debug {
+                imgui,
+                renderer,
+                platform,
+                windows,
+                next_id: 1,
+                free_ids: Vec::new(),
+            }
+        }
+
+    pub fn handle(&mut self, event: &sdl2::event::Event)
+        {
+            self.platform.handle_event(&mut self.imgui, event);
+        }
+
+    pub fn drawImgui(&mut self, events_loop: &sdl2::EventPump, window: &sdl2::video::Window,
+    callback: Vec<Callback>) -> Vec<dEvent>
+        {
+            self.platform.prepare_frame(&mut self.imgui, &window, &events_loop);
+            let ui = self.imgui.new_frame();
+            let mut ret = Vec::new();
+            for call in callback
+            {
+                match call {
+                    Callback::ModelInfo(a) =>
+                        ret.append(&mut Debug::displayModel(ui, &a)),
+                    Callback::TestWind(mut a) =>
+                        ret.append(&mut Debug::displayTest(ui, &mut a)),
+                    Callback::MainMenu =>
+                        ret.append(&mut Debug::displayMain(ui)),
+                }
+
+            }
+
+
+
+            let draw_data = self.imgui.render();
+
+            self.renderer.render(draw_data).unwrap();
+
+            ret
+        }
+    pub fn addWindow(&mut self, window: OpenWindows)
+    {
+        if (self.free_ids.is_empty())
+            {
+                self.windows.insert(self.next_id, window);
+                self.next_id += 1;
+            }
+        else {
+            self.windows.insert(self.free_ids.pop().unwrap(), window);
+        }
+    }
+    pub fn removeWindow(&mut self, window: OpenWindows)
+        {
+            println!("searching for a match...");
+            let mut id = 0;
+            for (hashId, windowType) in &self.windows
+            {
+                if *windowType == window {
+                    id = *hashId;
+                    break;
+                }
+
+            }
+            if id !=0
+            {
+                self.windows.remove(&id);
+                self.free_ids.push(id);
+            }
+        }
+
+    fn displayTest(ui: &mut imgui::Ui, testI: &mut info::testI) -> Vec<dEvent>
+    {
+        let mut ret = Vec::new();
+        let mut selectedModel = testI.selectedModel;
+        let mut spinSpeed = testI.spinSpeed;
+        ui.window("POLY I WILL FUCKING")
+          .size([500.0, 100.0], imgui::Condition::FirstUseEver)
+          .build(|| {
+              ui.text("you serve no purpose in life");
+              ui.text("Your Purpose in life is to suck my dick");
+              ui.slider("The Spin Speed", 0.1, 10.0, &mut spinSpeed);
+              if ui
+                  .button("Close") {
+                      ret.push(dEvent::removeWindow(OpenWindows::TestWind));
+                  }
+              if ui.list_box("Select Model to Load", &mut selectedModel, &MODELS, 5) {
+                  ret.push(dEvent::loadModel(selectedModel));
+              }
+          });
+        ret.push(dEvent::setTest(spinSpeed, selectedModel
+        ));
+        ret
+    }
+
+    fn displayModel(ui: &mut imgui::Ui ,model: &info::ModelI) -> Vec<dEvent>
+    {
+        let mut ret = Vec::new();
+        ui.window("Stats")
+          .size([300.0, 500.0], imgui::Condition::Always)
+          .build(|| {
+              ui.text("Model Information");
+              ui.text(format!("count meshes: {}", model.meshesCount));
+              ui.separator();
+              for i in 0..model.meshesCount
+              {
+                  ui.text(format!("Mesh Number {}", i));
+                  ui.text(format!("count Vertices: {}", model.vertCount[i]));
+                  ui.separator();
+              }
+              if ui.button("close") {
+                  ret.push(dEvent::removeWindow(OpenWindows::ModelInfo))
+              }
+          });
+        ret
+    }
+
+    fn displayMain(ui: &mut imgui::Ui) -> Vec<dEvent>
+    {
+        let mut ret = Vec::new();
+        ui.window("Welcome to the main Menu")
+          .size([500.0, 500.0], imgui::Condition::Always)
+          .build(|| {
+              ui.text("this is the main Debugger Menu, it's used to Debug the game");
+              ui.text("although it isn't done yet");
+              ui.separator();
+              if ui.button("Open the Model Info") {
+                  ret.push(dEvent::addWindow(OpenWindows::ModelInfo))
+              }
+              if ui.button("Open the Test Modifier"){
+                  ret.push(dEvent::addWindow(OpenWindows::TestWind))
+              }
+              if ui.button("Quit") {
+                  ret.push(dEvent::exit)
+              }
+
+          });
+        ret
+    }
+
+
+   }
+
+
+
+use crate::model;
+pub fn ModelInfo(model: &model::Model) -> Callback
+    {
+        let mut vertCount = Vec::new();
+        let meshesCount = model.meshes.len();
+        for i in 0..model.meshes.len() {
+            vertCount.push(model.meshes[i].vertices.len());
+        }
+        Callback::ModelInfo(info::ModelI {
+            meshesCount,
+            vertCount
+        })
+    }
+
+pub fn TestWind(spinSpeed: f32, selectedModel: i32) -> Callback
+    {
+        Callback::TestWind(info::testI {
+            spinSpeed,
+            selectedModel,
+        })
+    }

src/debug/info.rs

@@ -0,0 +1,12 @@
+
+pub struct ModelI
+{
+    pub meshesCount: usize,
+    pub vertCount: Vec<usize>
+}
+
+pub struct testI
+    {
+        pub spinSpeed: f32,
+        pub selectedModel: i32,
+    }

src/main.rs

@@ -13,6 +13,10 @@ enum gameState {
     Playing
 }
 
+enum SceneEnum {
+    Exit,
+    Resume
+}
 
 use imgui_glow_renderer::AutoRenderer;
 use imgui_sdl2_support::SdlPlatform;
@@ -24,8 +28,6 @@ use sdl2::pixels::Color;
 use sdl2::keyboard::Keycode;
 use sdl2::event::Event;
 
-use std::sync::mpsc::Receiver;
-use std::ptr;
 use std::mem;
 use std::os::raw::c_void;
 use std::path::Path;
@@ -34,8 +36,14 @@ use std::ffi::{CString, CStr};
 mod shader;
 mod model;
 mod camera;
+mod scene;
+mod debug;
+
+use scene::Scene;
+
 fn main() {
 
+    // initialize SDL and gl
     let (gl, shader_version, window, mut events_loop, _context) = {
         let sdl = match sdl2::init()
             {
@@ -76,58 +84,12 @@ fn main() {
 
 
 
-    let mut imgui = imgui::Context::create();
-
-    imgui
-        .fonts()
-        .add_font(&[imgui::FontSource::DefaultFontData {config: None}]);
-
-
-    let mut platform = SdlPlatform::init(&mut imgui);
-    let mut renderer = match AutoRenderer::initialize(gl.clone(), &mut imgui)
-        {
-            Ok(ret) => ret,
-            Err(s) => panic!("Failed to initialize Imgui Platform Renderer: {}", s),
-        };
 
     // NOTE intiialize Camera
-    let mut camera = camera::Camera {
-        Position: Point3::new(0.0, 0.40, 1.0),
-        Pitch: -20.0,
-        ..camera::Camera::default()
-    };
-
-    let mut firstMouse = true;
-    let mut lastX: f32 = SCR_WIDTH as f32 / 2.0;
-    let mut lastY: f32 = SCR_HEIGHT as f32 / 2.0;
-
-    // timing
-    let mut deltaTime: f32; // time between current frame and last frame
-    let mut lastFrame: f32 = 0.0;
-
-    //gl::load_with(|ptr| window.get_proc_address(ptr) as *const _);
-    let (ourshader, ourModel) = unsafe {
-        gl.enable(glow::DEPTH_TEST);
-
-        let ourShader = shader::shader::new("model", Arc::clone(&gl));
-
-        let ourModel = model::Model::new("resources/models/TestCarModel/CarW4.obj", Arc::clone(&gl));
-
-        (ourShader, ourModel)
-    };
-
-
 
     let mut State = gameState::Playing;
 
-
-
-    let time = std::time::Instant::now();
-    let mut spinSpeed = 1.0;
-    let mut current_rad = 1.0;
-    let projection: Matrix4<f32> = perspective(Deg(45.0), SCR_WIDTH as f32/ SCR_HEIGHT as f32, 0.1, 100.0);
-
-
+    let mut scene = Scene::new(gl);
 
     println!("entering main loop");
 
@@ -140,83 +102,20 @@ fn main() {
     'main: loop {
         match &State {
             gameState::Playing => {
-                let currentFrame = time.elapsed().as_secs_f32();
-                deltaTime = currentFrame - lastFrame;
-                lastFrame = currentFrame;
-                current_rad += spinSpeed/15.0;
-
-                unsafe{
-                    gl.enable(glow::DEPTH_TEST);
-                    gl.clear(glow::COLOR_BUFFER_BIT | glow::DEPTH_BUFFER_BIT);
-
-                    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> = Matrix4::from_axis_angle(vec3(0.0, -1.0, 0.0).normalize(),
-                                                                           cgmath::Rad(current_rad));
-                    model = model * Matrix4::from_scale(0.2);
-                    ourshader.setMat4("model", &model);
-
-
 
+                match scene.update(&mut events_loop, &window)
+                {
+                    scene::SceneEnum::Exit => {
+                        break 'main;
+                    },
+                    _ => (),
 
                 }
-                ourModel.Draw(&ourshader);
-
-                platform.prepare_frame(&mut imgui, &window, &events_loop);
-                let ui = imgui.new_frame();
-
-                ui.window("POLY I WILL FUCKING")
-                  .size([500.0, 100.0], imgui::Condition::FirstUseEver)
-                  .build(|| {
-                      ui.text("you serve no purpose in life");
-                      ui.text("Your Purpose in life is to suck my dick");
-                      ui.slider("The Spin Speed", 0.1, 10.0, &mut spinSpeed);
-                  });
-
-                drawDebugUI(ui, &ourModel);
-                let draw_data = imgui.render();
-
-
-                renderer.render(draw_data).unwrap();
-
-
 
                 window.gl_swap_window();
-                for event in events_loop.poll_iter() {
-                    platform.handle_event(&mut imgui, &event);
-
-                    match event {
-                        Event::Quit {..} |
-                        Event::KeyDown { keycode: Some(Keycode::Escape), .. } => {
-                            break 'main
-                        },
-                        Event::KeyDown {keycode: Some(Keycode::P), ..} => {
-                            State = gameState::Paused;
-                        }
-                        _ => {}
-                    }
-                }
             }
 
             gameState::Paused => {
-
-                for event in events_loop.poll_iter() {
-                    platform.handle_event(&mut imgui, &event);
-
-                    match event {
-                        Event::KeyDown {keycode: Some(Keycode::P), ..} => {
-                            State = gameState::Playing;
-                        }
-                        _ => {}
-                    }
-                }
             }
         }
     }

src/scene.rs

@@ -0,0 +1,177 @@
+
+use crate::model::Model;
+use crate::camera::Camera;
+use crate::shader::shader;
+use std::sync::Arc;
+use std::rc::Rc;
+use glow::*;
+
+use imgui_glow_renderer::AutoRenderer;
+use imgui_sdl2_support::SdlPlatform;
+use crate::debug;
+use cgmath::{Matrix4, vec3, Point3, Deg, perspective};
+use cgmath::prelude::*;
+
+use sdl2::keyboard::Keycode;
+use sdl2::event::Event;
+
+const SCR_WIDTH: u32 = 1600;
+const SCR_HEIGHT: u32 = 900;
+
+const MODELS: [&str; 3]= ["resources/models/TestCarModel/CarW4.obj", "resources/models/TestCarModel/CarW1.obj",
+"resources/models/TestCarModel/CarW0.obj"];
+
+
+/// XXX this is temporary, thus the name
+pub struct tempData {
+    pub projection: Matrix4<f32>,
+    pub spinSpeed: f32,
+    pub current_rad: f32,
+    pub currentFrame: f32,
+    pub deltaTime: f32,
+    pub lastFrame: f32,
+    DebugMode: bool,
+    selectedModel: i32
+}
+use crate::debug::Debug;
+
+pub enum SceneEnum {
+    Exit,
+    Pause,
+    Resume,
+}
+
+
+pub struct Scene {
+    gl: Arc<glow::Context>,
+    pub Car: Model,
+    camera: Camera,
+    debug: Debug,
+    shaders: Vec<Rc<shader>>,
+    time: std::time::Instant,
+    tempData: tempData,
+}
+
+impl Scene{
+    pub fn new(gl: Arc<glow::Context>) -> Scene
+        {
+            let Car = Model::new(MODELS[0], Arc::clone(&gl));
+
+            let shader = Rc::new(shader::new("model", Arc::clone(&gl)));
+
+            let time = std::time::Instant::now();
+
+            let camera = Camera {
+                Position: Point3::new(0.0, 0.40, 1.0),
+                Pitch: -20.0,
+                ..Camera::default()
+            };
+
+            let tempData = tempData {
+                projection: perspective(Deg(45.0), 1600.0/ 900.0, 0.1, 100.0),
+                spinSpeed: 1.0,
+                current_rad: 1.0,
+                currentFrame: 0.0,
+                deltaTime: 0.0,
+                lastFrame: 0.0,
+                DebugMode: false,
+                selectedModel: 0,
+
+            };
+
+            let debug = Debug::new(gl.clone());
+            Scene{
+                gl,
+                Car,
+                camera,
+                debug,
+                shaders: vec![shader],
+                time,
+                tempData,
+            }
+        }
+
+    pub fn update(&mut self ,events_loop: &mut sdl2::EventPump, window: &sdl2::video::Window) -> SceneEnum
+        {
+            self.tempData.currentFrame = self.time.elapsed().as_secs_f32();
+            self.tempData.deltaTime = self.tempData.currentFrame - self.tempData.lastFrame;
+            self.tempData.lastFrame = self.tempData.currentFrame;
+            self.tempData.current_rad += self.tempData.spinSpeed/15.0;
+            let mut ret = SceneEnum::Resume;
+
+            unsafe {
+                self.gl.enable(glow::DEPTH_TEST);
+                self.gl.clear(glow::COLOR_BUFFER_BIT | glow::DEPTH_BUFFER_BIT);
+
+                self.shaders[0].Use();
+                self.tempData.projection = perspective(Deg(self.camera.Zoom), SCR_WIDTH as f32 /SCR_HEIGHT as f32, 0.1, 100.0);
+                let view = self.camera.GetViewMatrix();
+                self.shaders[0].setMat4("projection", &self.tempData.projection);
+                self.shaders[0].setMat4("view", &view);
+
+                let mut model: Matrix4<f32> = Matrix4::from_axis_angle(vec3(0.0, -1.0, 0.0).normalize(),
+                cgmath::Rad(self.tempData.current_rad));
+
+                model = model * Matrix4::from_scale(0.2);
+                self.shaders[0].setMat4("model", &model);
+            }
+            self.Car.Draw(&self.shaders[0]);
+
+            if self.tempData.DebugMode{
+                let mut Callbacks = Vec::new();
+                let windows = self.debug.windows.clone();
+                for (id, window) in windows
+                {
+                    match window {
+                        debug::OpenWindows::ModelInfo => Callbacks.push(debug::ModelInfo(&self.Car)),
+                        debug::OpenWindows::TestWind => Callbacks.push(debug::TestWind(self.tempData.spinSpeed, self.tempData.selectedModel)),
+                        debug::OpenWindows::MainMenu => Callbacks.push(debug::Callback::MainMenu),
+
+                    }
+                }
+
+
+                for command in self.debug.drawImgui(&events_loop, &window, Callbacks)
+                    {
+                        use crate::debug::dEvent;
+                        match command
+                            {
+                                dEvent::exit => ret = SceneEnum::Exit,
+                                dEvent::loadModel(i) => self.Car = Model::new(MODELS[i as usize], Arc::clone(&self.gl)),
+                                dEvent::setTest(a, b) => {
+                                    self.tempData.spinSpeed = a;
+                                    self.tempData.selectedModel = b;
+                                },
+                                dEvent::addWindow(a) => self.debug.addWindow(a),
+                                dEvent::removeWindow(a) => self.debug.removeWindow(a),
+                            }
+                    }
+            }
+
+            for event in events_loop.poll_iter() {
+                if self.tempData.DebugMode {
+                self.debug.handle(&event);
+                }
+                match event {
+                    Event::Quit {..} |
+                    Event::KeyDown { keycode: Some(Keycode::Escape), .. } => {
+                        ret = SceneEnum::Exit;
+                    },
+                    Event::KeyDown {keycode: Some(Keycode::P), ..} => {
+                    },
+                    Event::KeyDown {keycode: Some(Keycode::D), ..} => {
+                        self.tempData.DebugMode = !self.tempData.DebugMode
+                    }
+                    Event::KeyDown {keycode: Some(Keycode::M), ..} => {
+                        self.debug.addWindow(debug::OpenWindows::ModelInfo)
+                    }
+                        _ => {}
+                    }
+
+            }
+
+                ret
+        }
+
+
+}