# HG changeset patch
# User dermetfan <serverkorken@gmail.com>
# Date 1435317291 -7200
#      Fri Jun 26 13:14:51 2015 +0200
# Node ID 71a3def45471eed9c1ad87ac53441e28d27026d3
# Parent  e67447d53abdabca02b16c059e3179aafeaf428d
start paused and randomize arg

diff --git a/src/main.rs b/src/main.rs
--- a/src/main.rs
+++ b/src/main.rs
@@ -11,6 +11,8 @@
 use ncurses::*;
 
 fn main() {
+    const START_PAUSED: bool = true;
+
     const BG_COLORS: i16 = 0;
     const CURSOR_COLORS: i16 = 1;
 
@@ -18,7 +20,7 @@
         initscr();
         cbreak();
         noecho();
-        nodelay(stdscr, true);
+        nodelay(stdscr, !START_PAUSED);
         keypad(stdscr, true);
         curs_set(CURSOR_VISIBILITY::CURSOR_INVISIBLE);
         start_color();
@@ -42,6 +44,7 @@
     const ARG_DEAD: &'static str = "dead";
     const ARG_ALIVE: &'static str = "alive";
     const ARG_BORDER: &'static str = "border";
+    const ARG_RAND: &'static str = "randomize";
 
     let mut options = getopts::Options::new();
     options.optflag("h", ARG_HELP, "display help and exit");
@@ -51,6 +54,7 @@
     options.optopt("d", ARG_DEAD, "the character to display for dead cells", "CHAR");
     options.optopt("a", ARG_ALIVE, "the character to display for living cells", "CHAR");
     options.optopt("b", ARG_BORDER, "Draw a border around the grid. Valid TYPEs are: blank, single (default), double, strong, thin, thick, solid", "TYPE");
+    options.optopt("x", ARG_RAND, "initialize the grid randomly with CHANCE for life in each cell ([0..1], default 0.5)", "CHANCE");
 
     let print_help = |short: bool| {
         const TITLE: &'static str = "cursedlife\nCopyright 2015 Robin Stumm\nhttp://dermetfan.net";
@@ -160,15 +164,21 @@
     };
 
     let mut cells = vec![vec![false; cols]; rows];
-    for row in &mut cells[..] {
-        for col in &mut row[..] {
-            *col = rand::random::<bool>();
+    if matches.opt_present(ARG_RAND) {
+        let chance = match matches.opt_str(ARG_RAND) {
+            Some(chance) => chance.parse::<f32>().unwrap_or(0f32),
+            None => 0.5f32
+        };
+        for row in &mut cells[..] {
+            for col in &mut row[..] {
+                *col = rand::random::<f32>() < chance;
+            }
         }
     }
     let mut game = Game { cells: cells, dead: dead, alive: alive, border: border, color_pair: BG_COLORS, window: newwin(rows as i32, cols as i32, maxy / 2 - rows as i32 / 2, maxx / 2 - cols as i32 / 2) };
     let mut cursor = Cursor { y: 0, x: 0, color_pair: CURSOR_COLORS };
 
-    let mut paused = false;
+    let mut paused = START_PAUSED;
     'game_loop: loop {
         let before_render = time::precise_time_s();