cleaned up some api impl, added food + foodgen

tests/ai_test.rs

@@ -2,19 +2,23 @@ use antf::lib::screen::init_screen;
 use antf::lib::point::Point;
 use antf::lib::ai::AIGoal;
 use antf::lib::world::{World, simulate, render};
-use antf::lib::entity::{Entities, Ant};
+use antf::lib::entity::{Entities, Ant, FoodGenerator};
 
 use ncurses::*;
 use std::thread::sleep;
 use std::time;
 
+// make sure to run with --test-threads 1! otherwise output will be bugged
+
 #[test]
-fn test_astar() {
+fn test_reach_astar() {
     let mut board = init_screen(); 
     let mut world = World::new();
 
     let mut entities = Entities::new();
-    let id = entities.add_ant(0,0);
+    
+    let a = Ant::new(0,0);
+    let id = entities.add_entity(&a);
 
     let a = entities.data.get_mut(&id).unwrap();
     let ant: &mut Ant = a.downcast_mut::<Ant>().unwrap(); 
@@ -27,6 +31,26 @@ fn test_astar() {
         sleep(time::Duration::from_millis(100));
         refresh();
     }
+    clear();
     endwin();
 }
 
+#[test]
+fn test_foodgen() {
+    let mut board = init_screen(); 
+    let mut world = World::new();
+
+    let mut entities = Entities::new();
+    let fg = FoodGenerator::new();
+    entities.add_entity(&fg);
+
+    for _ in 0..60 {
+        // TODO: add way to break out of the loop by hitting a random key
+        simulate(&mut entities, &mut world, &mut board);
+        render(&entities, &world, &board);
+        sleep(time::Duration::from_millis(100));
+        refresh();
+    }
+    clear();
+    endwin();
+}