From 37fe2ea9b2bad7bb73d77343f9ab270127f29587 Mon Sep 17 00:00:00 2001
From: SimonFJ20 <simonfromjakobsen@gmail.com>
Date: Mon, 1 Apr 2024 01:01:49 +0200
Subject: [PATCH] engine

---
 Cargo.lock    | 56 ++++++++++++++++++++++++++++++++++++++++++
 Cargo.toml    |  1 +
 src/engine.rs | 67 +++++++++++++++++++++++++++++++++++++++++++++++++++
 src/main.rs   |  5 ++++
 4 files changed, 129 insertions(+)
 create mode 100644 src/engine.rs

diff --git a/Cargo.lock b/Cargo.lock
index 66a98c1..d19cb63 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2,6 +2,62 @@
 # It is not intended for manual editing.
 version = 3
 
+[[package]]
+name = "bitflags"
+version = "1.3.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a"
+
+[[package]]
+name = "cfg-if"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
+
+[[package]]
+name = "lazy_static"
+version = "1.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
+
+[[package]]
+name = "libc"
+version = "0.2.153"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9c198f91728a82281a64e1f4f9eeb25d82cb32a5de251c6bd1b5154d63a8e7bd"
+
 [[package]]
 name = "pvp-game-dilapidation"
 version = "0.1.0"
+dependencies = [
+ "sdl2",
+]
+
+[[package]]
+name = "sdl2"
+version = "0.36.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8356b2697d1ead5a34f40bcc3c5d3620205fe0c7be0a14656223bfeec0258891"
+dependencies = [
+ "bitflags",
+ "lazy_static",
+ "libc",
+ "sdl2-sys",
+]
+
+[[package]]
+name = "sdl2-sys"
+version = "0.36.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "26bcacfdd45d539fb5785049feb0038a63931aa896c7763a2a12e125ec58bd29"
+dependencies = [
+ "cfg-if",
+ "libc",
+ "version-compare",
+]
+
+[[package]]
+name = "version-compare"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "579a42fc0b8e0c63b76519a339be31bed574929511fa53c1a3acae26eb258f29"
diff --git a/Cargo.toml b/Cargo.toml
index 94f33e3..f2d76a3 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -6,3 +6,4 @@ edition = "2021"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
+sdl2 = { version = "0.36.0", features = ["ttf", "image", "mixer"] }
diff --git a/src/engine.rs b/src/engine.rs
new file mode 100644
index 0000000..a37da1b
--- /dev/null
+++ b/src/engine.rs
@@ -0,0 +1,67 @@
+use std::time::Duration;
+
+use sdl2::{
+    event::Event, keyboard::Keycode, pixels::Color, render::Canvas, video::Window, Sdl,
+    VideoSubsystem,
+};
+
+pub struct Game {
+    sdl_context: Sdl,
+    video_subsystem: VideoSubsystem,
+    canvas: Canvas<Window>,
+    event_pump: sdl2::EventPump,
+}
+
+#[derive(Debug, Clone)]
+pub struct Error(String);
+
+impl std::fmt::Display for Error {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        write!(f, "{}", self.0)
+    }
+}
+
+impl<T: std::fmt::Display> From<T> for Error {
+    fn from(value: T) -> Self {
+        Self(value.to_string())
+    }
+}
+
+impl Game {
+    pub fn new() -> Result<Self, Error> {
+        let sdl_context = sdl2::init()?;
+        let video_subsystem = sdl_context.video()?;
+        let window = video_subsystem
+            .window("pvp-game-dilapidation", 1280, 720)
+            .position_centered()
+            .build()?;
+        let mut canvas = window.into_canvas().build()?;
+        canvas.set_draw_color(Color::RGB(60, 180, 180));
+        canvas.clear();
+        let event_pump = sdl_context.event_pump()?;
+        Ok(Self {
+            sdl_context,
+            video_subsystem,
+            canvas,
+            event_pump,
+        })
+    }
+
+    pub fn run(mut self) {
+        'running: loop {
+            for event in self.event_pump.poll_iter() {
+                match event {
+                    Event::Quit { .. }
+                    | Event::KeyDown {
+                        keycode: Some(Keycode::Escape),
+                        ..
+                    } => break 'running,
+                    _ => {}
+                }
+            }
+            self.canvas.present();
+        }
+        self.canvas.present();
+        std::thread::sleep(Duration::new(0, 1_000_000_000u32 / 60))
+    }
+}
diff --git a/src/main.rs b/src/main.rs
index e7a11a9..66ace41 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,3 +1,8 @@
+#[allow(dead_code)]
+mod engine;
+
 fn main() {
+    let game = engine::Game::new().unwrap();
+    game.run();
     println!("Hello, world!");
 }