From 41c99c2032a4a2d9fd49182ee0a18f8dacbe6417 Mon Sep 17 00:00:00 2001
From: foosinn <foosinn@f2o.io>
Date: Wed, 27 May 2020 08:47:37 +0200
Subject: [PATCH] wip

---
 src/day13/main.rs | 133 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 133 insertions(+)
 create mode 100644 src/day13/main.rs

diff --git a/src/day13/main.rs b/src/day13/main.rs
new file mode 100644
index 0000000..7ae3008
--- /dev/null
+++ b/src/day13/main.rs
@@ -0,0 +1,133 @@
+use aoc2019::intcode;
+use std::collections::HashMap;
+use std::error::Error;
+use std::fs::File;
+
+use ncurses;
+
+fn main() -> Result<(), Box<dyn Error>> {
+    let f = File::open("input13")?;
+    let mut computer = intcode::Computer::from(f);
+    let mut grid: Grid = HashMap::new();
+    while let Some(output) = &computer.run_until_n_output(3) {
+        let mut output = output.into_iter();
+        let xy = XY {
+            x: *output.next().unwrap(),
+            y: *output.next().unwrap(),
+        };
+        let tile = Tile::from(*output.next().unwrap());
+        grid.insert(xy, tile);
+    }
+
+    // part 1
+    let blocks = grid.iter().filter(|(_, v)| **v == Tile::Block).count();
+    println!("blocks: {}", blocks);
+
+    // part2
+    let mut computer = computer.clone_with_modified_program(vec![(0, 2)]);
+    let mut xmin = 0;
+    let mut xmax = 0;
+    let mut ymin = 0;
+    let mut ymax = 0;
+    grid.iter().for_each(|(xy, _)| {
+        if xy.x < xmin {
+            xmin = xy.x;
+        }
+        if xy.x > xmax {
+            xmax = xy.x
+        }
+        if xy.y < ymin {
+            ymin = xy.y;
+        }
+        if xy.y > ymax {
+            ymax = xy.y
+        }
+    });
+    ncurses::initscr();
+    ncurses::refresh();
+    let mut score: isize;
+    loop {
+        let key = ncurses::getch();
+        ncurses::clear();
+        let joystick = match key {
+            104 => 1,
+            108 => -1,
+            _ => 0,
+        };
+        let mut drawcount = 0;
+        let mut itemdrawcount = 0;
+        'computer: while let Some(output) = &computer.run_until_n_output(3) {
+            drawcount += 1;
+            computer.push_input(joystick);
+            let mut output = output.into_iter();
+            let x = *output.next().unwrap();
+            let y = *output.next().unwrap();
+            if x == -1 && y == 0 {
+                score = *output.next().unwrap();
+            } else {
+                let tile = Tile::from(*output.next().unwrap());
+                ncurses::mvprintw(y as i32, x as i32, tile.char());
+                if tile == Tile::HorizontalPaddle {
+                    itemdrawcount = drawcount;
+                    break 'computer;
+                }
+            }
+        }
+
+        ncurses::mvprintw(
+            0,
+            0,
+            &format!("{} {} {} {}", key, joystick, drawcount, itemdrawcount),
+        );
+        ncurses::refresh();
+    }
+    //println!("{} {} {} {}", xmin, xmax, ymin, ymax);
+}
+
+#[derive(Eq, PartialEq)]
+enum Tile {
+    Empty,
+    Wall,
+    Block,
+    HorizontalPaddle,
+    Ball,
+}
+
+impl From<isize> for Tile {
+    fn from(i: isize) -> Self {
+        match i {
+            0 => Tile::Empty,
+            1 => Tile::Wall,
+            2 => Tile::Block,
+            3 => Tile::HorizontalPaddle,
+            4 => Tile::Ball,
+            _ => unreachable!("there are only 5 tiles..."),
+        }
+    }
+}
+
+impl Tile {
+    fn char(&self) -> &str {
+        match self {
+            Tile::Empty => " ",
+            Tile::Wall => "X",
+            Tile::Block => "O",
+            Tile::HorizontalPaddle => "-",
+            Tile::Ball => "*",
+        }
+    }
+}
+
+#[derive(Eq, PartialEq, Hash)]
+struct XY {
+    x: isize,
+    y: isize,
+}
+
+impl From<(isize, isize)> for XY {
+    fn from(xy: (isize, isize)) -> Self {
+        XY { x: xy.0, y: xy.1 }
+    }
+}
+
+type Grid = HashMap<XY, Tile>;