4 files changed, 131 insertions, 0 deletions
diff --git a/src/coordinate.rs b/src/coordinate.rs
new file mode 100644
index 0000000..d99cd16
--- /dev/null
+++ b/src/coordinate.rs
@@ -0,0 +1,17 @@
+// "even-q" vertical layout
+// not exactly the same as 2112
+#[derive(Clone)]
+pub struct Coordinate {
+    x: i32,
+    y: i32,
+}
+
+#[derive(Clone)]
+pub enum Direction {
+    N,
+    S,
+    NE,
+    SE,
+    NW,
+    SW
+}
diff --git a/src/inhabitant.rs b/src/inhabitant.rs
new file mode 100644
index 0000000..2ed7de7
--- /dev/null
+++ b/src/inhabitant.rs
@@ -0,0 +1,46 @@
+use std::fmt;
+
+use coordinate;
+
+#[derive(Clone)]
+pub enum Inhabitant {
+    Critter {
+        species: String,
+        offense: i32,
+        defense: i32,
+        size: i32,
+        energy: u32,
+        posture: i32,
+        position: coordinate::Coordinate,
+        direction: coordinate::Direction,
+    },
+    Nothing,
+    Rock,
+    Food {
+        amount: i32,
+    },
+}
+
+impl fmt::Debug for Inhabitant {
+    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+        match *self {
+            Inhabitant::Nothing => write!(f, "__"),
+            Inhabitant::Rock => write!(f, "RR"),
+            Inhabitant::Food { amount: amount } => {
+                if amount < 50 {
+                    write!(f, "ff")
+                }
+                else if amount < 100 {
+                    write!(f, "fF")
+                }
+                else if amount < 200 {
+                    write!(f, "Ff")
+                }
+                else {
+                    write!(f, "FF")
+                }
+            },
+            Inhabitant::Critter {..} => write!(f, "CC")
+        }
+    }
+}
diff --git a/src/main.rs b/src/main.rs
new file mode 100644
index 0000000..6629d34
--- /dev/null
+++ b/src/main.rs
@@ -0,0 +1,13 @@
+#![feature(step_by)]
+
+extern crate rand;
+
+mod inhabitant;
+mod coordinate;
+mod world;
+
+fn main() {
+    let world = world::World::new_rand("World 0", 10, 10);
+
+    world.print();
+}
diff --git a/src/world.rs b/src/world.rs
new file mode 100644
index 0000000..3542471
--- /dev/null
+++ b/src/world.rs
@@ -0,0 +1,55 @@
+use inhabitant;
+
+pub struct World {
+    pub name: String,
+    pub width: i32,
+    pub height: i32,
+    pub inhabitants: Vec<inhabitant::Inhabitant>,
+}
+
+impl World {
+    pub fn new(name: &str, width: i32, height: i32) -> World {
+        World {
+            name: name.to_string(),
+            width: width,
+            height: height,
+            inhabitants: vec![inhabitant::Inhabitant::Nothing; (width * height) as usize],
+        }
+    }
+
+    pub fn new_rand(name: &str, width: i32, height: i32) -> World {
+        use rand;
+        use rand::Rng;
+
+        let mut world = World {
+            name: name.to_string(),
+            width: width,
+            height: height,
+            inhabitants: vec![inhabitant::Inhabitant::Nothing; (width * height) as usize],
+        };
+        let mut rng = rand::thread_rng();
+        for i in 0..(width*height) {
+            if rng.gen_weighted_bool(5) {
+                world.inhabitants[i as usize] = inhabitant::Inhabitant::Rock;
+            }
+            else if rng.gen_weighted_bool(7) {
+                world.inhabitants[i as usize] = inhabitant::Inhabitant::Food { amount: rng.gen_range(1, 200) };
+            }
+        }
+
+        world
+    }
+
+    pub fn print(&self) {
+        for row in (0..self.height).rev() {
+            for col in (1..self.width).step_by(2) {
+                print!("    {:?}", self.inhabitants[( col * self.height + row ) as usize]);
+            }
+            print!("\n ");
+            for col in (0..self.width).step_by(2) {
+                print!("{:?}    ", self.inhabitants[( col * self.height + row ) as usize]);
+            }
+            print!("\n");
+        }
+    }
+}