From 2c9382431ed7fd88fe5f118a5c34c17ac1c9ae75 Mon Sep 17 00:00:00 2001
From: george <george@wens.org.uk>
Date: Wed, 16 Oct 2024 19:35:17 +0100
Subject: [PATCH] init, y15d01

---
 .gitignore           |   4 +
 y15day01/Cargo.lock  | 625 +++++++++++++++++++++++++++++++++++++++++++
 y15day01/Cargo.toml  |   7 +
 y15day01/src/main.rs |  68 +++++
 4 files changed, 704 insertions(+)
 create mode 100644 .gitignore
 create mode 100644 y15day01/Cargo.lock
 create mode 100644 y15day01/Cargo.toml
 create mode 100644 y15day01/src/main.rs

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..4e70af1
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,4 @@
+target/
+*input
+*.txt
+*.webm
diff --git a/y15day01/Cargo.lock b/y15day01/Cargo.lock
new file mode 100644
index 0000000..77edd4b
--- /dev/null
+++ b/y15day01/Cargo.lock
@@ -0,0 +1,625 @@
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+ "windows_i686_gnullvm",
+ "windows_i686_msvc",
+ "windows_x86_64_gnu",
+ "windows_x86_64_gnullvm",
+ "windows_x86_64_msvc",
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diff --git a/y15day01/Cargo.toml b/y15day01/Cargo.toml
new file mode 100644
index 0000000..6e59bec
--- /dev/null
+++ b/y15day01/Cargo.toml
@@ -0,0 +1,7 @@
+[package]
+name = "y15day01"
+version = "0.1.0"
+edition = "2021"
+
+[dependencies]
+raylib = "5.0.2"
diff --git a/y15day01/src/main.rs b/y15day01/src/main.rs
new file mode 100644
index 0000000..0e09dc1
--- /dev/null
+++ b/y15day01/src/main.rs
@@ -0,0 +1,68 @@
+use raylib::prelude::*;
+use std::io::{self, BufRead};
+use std::sync::{Arc, RwLock};
+use std::time::Duration;
+
+const POSITIVE: Color = Color::new(0, 0, 200, 255);
+const NEGATIVE: Color = Color::new(175, 0, 0, 255);
+const SCALE: i32 = 10;
+const SIZE: i32 = 50;
+const BOUNDS: i32 = SIZE * SCALE;
+
+fn main() {
+    let input = io::stdin().lock().lines().next().unwrap().unwrap();
+    let mut has_reached_basement = false;
+
+    let (mut rl, thread) = raylib::init()
+        .size(BOUNDS, BOUNDS)
+        .title("Advent of Code 2015, Day 1 Visualisation")
+        .build();
+
+    let shared_sum = Arc::new(RwLock::new(0));
+    let writer_sum = Arc::clone(&shared_sum);
+
+    std::thread::spawn(move || {
+        for (count, char) in input.chars().enumerate() {
+            match char {
+                '(' => {
+                    *writer_sum.write().unwrap() += 1;
+                }
+                ')' => {
+                    let mut writer = writer_sum.write().unwrap();
+                    *writer -= 1;
+                    if !has_reached_basement && *writer == -1 {
+                        println!("reached basement on the {}th char", count + 1);
+                        has_reached_basement = true;
+                    }
+                }
+                _ => (),
+            }
+            std::thread::sleep(Duration::from_millis(2));
+        }
+        println!("end count: {}", writer_sum.write().unwrap());
+    });
+
+    while !rl.window_should_close() {
+        let mut d = rl.begin_drawing(&thread);
+        d.clear_background(Color::WHITE);
+
+        let sum = shared_sum.read().unwrap();
+        let mut sum = *sum;
+        let mut x = 0;
+        let mut y = 0;
+        let mut draw_colour = POSITIVE;
+        if sum < 0 {
+            draw_colour = NEGATIVE;
+            sum = -sum;
+        }
+
+        for i in 0..sum {
+            d.draw_rectangle(x * SCALE, y * SCALE, SCALE, SCALE, draw_colour);
+            x += 1;
+            if i != 0 && i % 50 == 0 {
+                x = 0;
+                y += 1;
+            }
+        }
+    }
+}