WIP generating chunks at player position

src/renderer/ui.rs

@@ -5,6 +5,9 @@ use futures::executor::LocalPool;
 use futures::task::SpawnExt;
 
 const WHITE: [f32; 4] = [1.0, 1.0, 1.0, 1.0];
+const BLUE: [f32; 4] = [0.0, 0.2, 1.0, 1.0];
+const GREEN: [f32; 4] = [0.1, 1.0, 0.0, 1.0];
+
 
 pub struct UserInterface {
     // Glyph drawing
@@ -12,7 +15,7 @@ pub struct UserInterface {
     local_pool: LocalPool,
     brush: GlyphBrush<()>,
     // Texts
-    texts: HashMap<u32, String>
+    texts: HashMap<String, Vec<String>>
 }
 
 impl UserInterface {
@@ -27,20 +30,36 @@ impl UserInterface {
         }
     }
 
-    pub fn set_text(&mut self, index: u32, text: String) {
-        self.texts.insert(index, text);
+    fn print(brush: &mut GlyphBrush<()>, line: u32, text: &str, color: [f32; 4]) {
+        let t = Text::new(text).with_color(color);
+        brush.queue(Section {
+            screen_position: (5 as f32, (5 + line*15) as f32), 
+            bounds: (t.scale.x * t.text.len() as f32, t.scale.y),
+            text: vec![t],
+            ..Section::default()
+        });
+    }
+
+    pub fn set_text(&mut self, cat: &str, line: usize, text: String) {
+        // Category
+        let c = &cat.to_string();
+        if !self.texts.contains_key(c) {self.texts.insert(c.clone(), Vec::new());}
+        // Texts
+        let v = self.texts.get_mut(c).unwrap();
+        while v.len() < line+1 { v.push(String::new()); }
+        v[line] = text;
     }
 
     pub fn render(&mut self, device: &wgpu::Device, encoder: &mut wgpu::CommandEncoder, target: &wgpu::TextureView, width: u32, height: u32) {
-        for (id, text) in self.texts.iter() {
-
-            let text = Text::new(text).with_color(WHITE);
-            self.brush.queue(Section {
-                screen_position: (5 as f32, (5 + id*15) as f32), 
-                bounds: (text.scale.x * text.text.len() as f32, text.scale.y),
-                text: vec![text],
-                ..Section::default()
-            });
+        let mut line = 0;
+        for (cat, texts) in self.texts.iter_mut() {
+            UserInterface::print(&mut self.brush, line, cat, GREEN);
+            line += 1;
+            for text in texts.iter() {
+                UserInterface::print(&mut self.brush, line, text, WHITE);
+                line += 1;
+            }
+            line += 1;
         }
 
         // Draw