Render some state as text #1

citybound/src/main.rs

@@ -12,13 +12,15 @@ mod simulation;
 
 fn main() {
     let (to_simulation, from_renderer) = channel::<()>();
-    let (to_renderer, from_simulation) = channel::<()>();
+    let (to_renderer, from_simulation) = channel::<String>();
 
     let renderer_listener = move |past: &models::State, future: &models::State| {
         match from_renderer.try_recv() {
             Ok(_) => {
                 println!("creating renderer state...");
-                to_renderer.send(()).unwrap();
+                to_renderer.send(
+                   format!("Simulation frame: {}", past.core.header.ticks)
+                ).unwrap();
             },
             Err(_) => {}
         };

citybound/src/models.rs

@@ -2,7 +2,7 @@ use world_record::{ID, FutureState, FutureRecordCollection, GrowableBuffer};
 use std::path::PathBuf;
 // use std::ops::Range;
 
-#[derive(Default)]
+#[derive(Default, Clone)]
 pub struct Core {
     pub ticks: u64,
     pub time: f64

monet/src/lib.rs

@@ -7,7 +7,7 @@ use glium::Surface;
 
 use std::sync::mpsc::{Sender, Receiver};
 
-pub fn main_loop (prepare_frame: Sender<()>, data_provider: Receiver<()>) {
+pub fn main_loop (prepare_frame: Sender<()>, data_provider: Receiver<String>) {
     use glium::DisplayBuild;
 
     let window = glutin::WindowBuilder::new()
@@ -93,7 +93,7 @@ pub fn main_loop (prepare_frame: Sender<()>, data_provider: Receiver<()>) {
         target.clear_color(0.0, 0.0, 0.0, 0.0);
         target.draw(&vertex_buffer, &index_buffer, &program, &uniforms, &Default::default()).unwrap();
 
-        let text = glium_text::TextDisplay::new(&text_system, &font, "The city sim you deserve.");
+        let text = glium_text::TextDisplay::new(&text_system, &font, new_data.as_str());
         let text_matrix = [
             [0.05, 0.0, 0.0, 0.0],
             [0.0, 0.05, 0.0, 0.0],