added before_render and after_render to renderable trait

src/lib/entity.rs

@@ -1,7 +1,9 @@
-
+use crate::lib::ai::AI;
 use crate::Point;
+use crate::Screen;
 use std::collections::HashMap;
-use crate::lib::ai::AI;
+
+use ncurses::*;
 
 use downcast_rs::{impl_downcast, Downcast};
 
@@ -25,9 +27,16 @@ impl Ant {
 impl Entity for Ant {}
 
 impl Renderable for Ant {
-    fn render(&self) -> &str {
+    fn representation(&self) -> &str {
         "o"
     }
+    fn before_render(&self) {
+        attron(A_BOLD());
+    }
+
+    fn after_render(&self) {
+        attroff(A_BOLD());
+    }
 }
 
 pub struct Queen {
@@ -37,14 +46,27 @@ pub struct Queen {
 }
 
 impl Renderable for Queen {
-    fn render(&self) -> &str {
+    fn representation(&self) -> &str {
         "q"
     }
+
+    fn before_render(&self) {
+        attron(A_BOLD());
+    }
+
+    fn after_render(&self) {
+        attroff(A_BOLD());
+    }
 }
 
-pub trait Renderable {
-    fn render(&self) -> &str {
-        "z"
+pub trait Renderable: AI {
+    fn representation(&self) -> &str;
+    fn before_render(&self) {}
+    fn after_render(&self) {}
+    fn render(&self, b: &Screen) {
+        self.before_render();
+        b.render(&self.get_position(), self.representation());
+        self.after_render();
     }
 }
 
@@ -67,9 +89,17 @@ pub struct Egg {
 }
 
 impl Renderable for Egg {
-    fn render(&self) -> &str {
+    fn representation(&self) -> &str {
         "e"
     }
+
+    fn before_render(&self) {
+        attron(A_BOLD());
+    }
+
+    fn after_render(&self) {
+        attroff(A_BOLD());
+    }
 }
 
 impl Egg {
@@ -123,4 +153,3 @@ impl Entities {
         id
     }
 }
-

src/lib/screen.rs

@@ -6,6 +6,8 @@ pub struct Screen {
     max_y: i32,
 }
 
+use ncurses::*;
+
 impl Screen {
     pub fn new(max_x: i32, max_y: i32) -> Screen {
         Screen {
@@ -27,6 +29,10 @@ impl Screen {
             .map(|e| e.clone())
             .collect()
     }
+
+    pub fn render(&self, p: &Point, char: &str) {
+        mvprintw(p.1 + self.center.1, p.0 + self.center.0, char); 
+    }
 }
 
 pub enum BoardCommand {

src/main.rs

@@ -21,12 +21,11 @@ use lib::entity::{Queen, Entities};
 
 fn render(e: &Entities, w: &World, b: &Screen) {
     for c in w.cleared.iter() {
-        mvprintw(c.1 + b.center.1, c.0 + b.center.0, "x");
+        b.render(c, "x");
     }
 
     for a in e.data.values() {
-        let pos = a.get_position();
-        mvprintw(pos.1 + b.center.1, pos.0 + b.center.0, a.render());
+        a.render(b);
     }
 }