reorg: no main binary, all in bin/

src/bin/printmap.rs

@@ -0,0 +1,52 @@
+extern crate vrtue;
+use vrtue::{arena, tile, town, world};
+
+extern crate itertools;
+extern crate memmap;
+
+use std::mem::transmute;
+use std::env;
+
+use itertools::Itertools;
+use memmap::{Mmap, Protection};
+
+
+fn mmap_to_rows<'a, M: world::HasMap>(mmap: &memmap::Mmap) -> &'a world::HasMap
+  where M: Copy + 'a
+{
+  assert_eq!(std::mem::size_of::<M>(), mmap.len());
+  unsafe { transmute::<*const u8, &M>(mmap.ptr()) }
+}
+
+fn main() {
+  let args: Vec<String> = env::args().collect();
+  let filename;
+  if args.len() > 1 {
+    filename = &args[1] as &str;
+  } else {
+    filename = "data/WORLD.MAP";
+  }
+  let conv = match filename {
+    s if s.ends_with("SHRINE.CON") => mmap_to_rows::<arena::Shrine>,
+    s if s.ends_with(".CON") => mmap_to_rows::<arena::Arena>,
+    s if s.ends_with(".ULT") => mmap_to_rows::<town::Town>,
+    s if s.ends_with("WORLD.MAP") => mmap_to_rows::<world::World>,
+    _ => panic!("unrecognized map file"),
+  };
+
+  let file_mmap = Mmap::open_path(filename, Protection::Read).unwrap();
+  let world = conv(&file_mmap);
+
+  print_rows(world.map().rows());
+}
+
+fn print_rows<'a, T: ?Sized, U: ?Sized>(rows: Box<T>)
+  where T: Iterator<Item = Box<U>> + 'a,
+        U: Iterator<Item = &'a tile::Tile> + 'a
+{
+  for row in rows {
+    let s1: String = row.into_iter().map(|tile| tile.as_char()).collect();
+    let s: String = s1.chars().intersperse(' ').collect();
+    println!("{}", s);
+  }
+}