Init

.gitignore

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+/target

Cargo.lock

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+# It is not intended for manual editing.
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+]

Cargo.toml

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+[package]
+name = "tuto1"
+version = "0.1.0"
+authors = ["Florian RICHER <florian.richer@unova.fr>"]
+edition = "2018"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+vulkano = "0.19"

src/entities/entity.rs

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+use crate::math::Transform;
+
+pub trait Entity {
+    fn get_transform(&mut self) -> &mut Transform;
+}

src/entities/mod.rs

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+mod entity;
+mod player;
+
+pub use entity::Entity;
+pub use player::Player;

src/entities/player.rs

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+use crate::math::Transform;
+use crate::entities::Entity;
+
+#[derive(Debug)]
+pub struct Player {
+    transform: Transform,
+}
+
+impl Player {
+    pub fn new() -> Player {
+        Player {
+            transform: Transform::new()
+        }
+    }
+}
+
+impl Entity for Player {
+    fn get_transform(&mut self) -> &mut Transform {
+        &mut self.transform
+    }
+}

src/main.rs

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+mod render;
+mod entities;
+mod math;
+
+use entities::Entity;
+use entities::Player;
+use render::debug;
+use render::vulkan::test;
+
+fn main() {
+    let mut player = Player::new();
+    debug(&player);
+    player.get_transform().translate(10.0, 20.0);
+    debug(&player);
+    test();
+}

src/math/mod.rs

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+mod tranform;
+mod vec2;
+
+pub use vec2::Vec2;
+pub use tranform::Transform;

src/math/tranform.rs

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+use super::Vec2;
+
+#[derive(Debug)]
+pub struct Transform {
+    position: Vec2,
+    rotation: Vec2,
+    scale: Vec2
+}
+
+impl Transform {
+    pub fn new() -> Transform {
+        Transform {
+            position: Vec2::new(),
+            rotation: Vec2::new(),
+            scale: Vec2::new()
+        }
+    }
+
+    pub fn get_rotation(&self) -> &Vec2 {
+        &self.rotation
+    }
+
+    pub fn get_position(&self) -> &Vec2 {
+        &self.position
+    }
+
+    pub fn get_scale(&self) -> &Vec2 {
+        &self.scale
+    }
+
+    pub fn translate(&mut self, x: f64, y: f64) {
+        self.position.x += x;
+        self.position.y += y;
+    }
+
+    pub fn rotate(&mut self, x: f64, y: f64) {
+        self.rotation.x += x;
+        self.rotation.y += y;
+    }
+}

src/math/vec2.rs

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+#[derive(Debug)]
+pub struct Vec2 {
+    pub x: f64,
+    pub y: f64
+}
+
+impl Vec2 {
+    pub fn new() -> Vec2 {
+        Vec2 {
+            x: 0.0,
+            y: 0.0
+        }
+    }
+}
+
+impl std::ops::Add<Vec2> for Vec2 {
+    type Output = Vec2;
+
+    fn add(self, b: Vec2) -> Vec2 {
+        Vec2 {
+            x: self.x + b.x,
+            y: self.y + b.y
+        }
+    }
+}
+
+impl std::ops::Sub<Vec2> for Vec2 {
+    type Output = Vec2;
+
+    fn sub(self, b: Vec2) -> Vec2 {
+        Vec2 {
+            x: self.x - b.x,
+            y: self.y - b.y
+        }
+    }
+}

src/render/display.rs

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+pub fn debug(data: &impl std::fmt::Debug) {
+    println!("{:#?}", data);
+}

src/render/mod.rs

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+mod display;
+pub mod vulkan;
+
+pub use display::debug;

src/render/vulkan/mod.rs

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+use vulkano::sync::GpuFuture;
+use vulkano::command_buffer::CommandBuffer;
+use vulkano::command_buffer::AutoCommandBufferBuilder;
+use vulkano::buffer::BufferUsage;
+use vulkano::buffer::CpuAccessibleBuffer;
+use vulkano::device::DeviceExtensions;
+use vulkano::device::Features;
+use vulkano::device::Device;
+use vulkano::instance::PhysicalDevice;
+use vulkano::instance::Instance;
+use vulkano::instance::InstanceExtensions;
+
+pub fn test() {
+    let instance = Instance::new(None, &InstanceExtensions::none(), None)
+                        .expect("Failed to create instance");
+
+    let physical = PhysicalDevice::enumerate(&instance).next().expect("No device available");
+
+    let queue_family = physical.queue_families()
+                            .find(|&q| q.supports_graphics())
+                            .expect("couldn't find a graphical queue family");
+
+    let (device, mut queues) = {
+        Device::new(physical, &Features::none(), &DeviceExtensions::none(),
+                    [(queue_family, 0.5)].iter().cloned()).expect("failed to create device")
+    };
+
+    let queue = queues.next().unwrap();
+
+    let source_content = 0 .. 64;
+    let source = CpuAccessibleBuffer::from_iter(device.clone(), BufferUsage::all(), false,
+                                            source_content).expect("failed to create buffer");
+
+    let dest_content = (0 .. 64).map(|_| 0);
+    let dest = CpuAccessibleBuffer::from_iter(device.clone(), BufferUsage::all(), false,
+                                            dest_content).expect("failed to create buffer");
+
+    let mut builder = AutoCommandBufferBuilder::new(device.clone(), queue.family()).unwrap();
+    builder.copy_buffer(source.clone(), dest.clone()).unwrap();
+    let command_buffer = builder.build().unwrap();
+
+    let finished = command_buffer.execute(queue.clone()).unwrap();
+
+    finished.then_signal_fence_and_flush().unwrap()
+                        .wait(None).unwrap();
+
+    let src_content = source.read().unwrap();
+    let dest_content = dest.read().unwrap();
+    assert_eq!(&*src_content, &*dest_content);
+}