Cooler tooltips

src/gui.rs

@@ -185,17 +185,65 @@ fn draw_attribute(name: &str, attribute: &Attribute, y: i32, ctx: &mut Rltk) {
     }
 }
 
+struct Tooltip {
+    lines: Vec<String>,
+}
+
+impl Tooltip {
+    fn new() -> Tooltip {
+        Tooltip { lines: Vec::new() }
+    }
+
+    fn add<S: ToString>(&mut self, line: S) {
+        self.lines.push(line.to_string());
+    }
+
+    fn width(&self) -> i32 {
+        let mut max = 0;
+        for s in self.lines.iter() {
+            if s.len() > max {
+                max = s.len();
+            }
+        }
+
+        max as i32 + 2
+    }
+
+    fn height(&self) -> i32 {
+        self.lines.len() as i32 + 2
+    }
+
+    fn render(&self, ctx: &mut Rltk, x: i32, y: i32) {
+        let box_gray = RGB::from_hex("#999999").expect("Oops");
+        let light_gray = RGB::from_hex("#DDDDDD").expect("Oops");
+        let white = RGB::named(rltk::WHITE);
+        let black = RGB::named(rltk::BLACK);
+
+        ctx.draw_box(x, y, self.width() - 1, self.height() - 1, white, box_gray);
+
+        for (i, s) in self.lines.iter().enumerate() {
+            let col = if i == 0 { white } else { light_gray };
+            ctx.print_color(x + 1, y + i as i32 + 1, col, black, &s);
+        }
+    }
+}
+
 fn draw_tooltips(ecs: &World, ctx: &mut Rltk) {
+    use rltk::to_cp437;
+
     let (min_x, _max_x, min_y, _max_y) = camera::get_screen_bounds(ecs, ctx);
     let map = ecs.fetch::<Map>();
     let names = ecs.read_storage::<Name>();
     let positions = ecs.read_storage::<Position>();
     let hidden = ecs.read_storage::<Hidden>();
-
+    let attributes = ecs.read_storage::<Attributes>();
+    let pools = ecs.read_storage::<Pools>();
+    let entities = ecs.entities();
     let mouse_pos = ctx.mouse_pos();
-    let mut mouse_map_pos = mouse_pos;
+    let mut mouse_map_pos = mouse_pos.clone();
     mouse_map_pos.0 += min_x - 1;
     mouse_map_pos.1 += min_y - 1;
+
     if mouse_map_pos.0 >= map.width - 1
         || mouse_map_pos.1 >= map.height - 1
         || mouse_map_pos.0 < 1
@@ -208,92 +256,94 @@ fn draw_tooltips(ecs: &World, ctx: &mut Rltk) {
         return;
     }
 
-    let mut tooltip: Vec<String> = Vec::new();
+    let mut tip_boxes: Vec<Tooltip> = Vec::new();
-
+    for (entity, name, position, _hidden) in (&entities, &names, &positions, !&hidden).join() {
-    for (name, position, _hidden) in (&names, &positions, !&hidden).join() {
         if position.x == mouse_map_pos.0 && position.y == mouse_map_pos.1 {
-            tooltip.push(name.name.to_string());
+            let mut tip = Tooltip::new();
+            tip.add(name.name.to_string());
+
+            // Comment on attributes
+            if let Some(attr) = attributes.get(entity) {
+                let mut s = String::new();
+                if attr.might.bonus < 0 {
+                    s += "Weak. "
+                } else if attr.might.bonus > 0 {
+                    s += "String. "
+                }
+
+                if attr.quickness.bonus < 0 {
+                    s += "Clumsy. "
+                } else if attr.quickness.bonus > 0 {
+                    s += "Agile. "
+                }
+
+                if attr.fitness.bonus < 0 {
+                    s += "Unhealthy. "
+                } else if attr.fitness.bonus > 0 {
+                    s += "Healthy. "
+                }
+
+                if attr.intelligence.bonus < 0 {
+                    s += "Unintelligent. "
+                } else if attr.intelligence.bonus > 0 {
+                    s += "Smart. "
+                }
+
+                if s.is_empty() {
+                    s = "Quite Average".to_string();
+                }
+
+                tip.add(s);
+            }
+
+            // Comment on pools
+            if let Some(stat) = pools.get(entity) {
+                tip.add(format!("Level: {}", stat.level));
+            }
+
+            tip_boxes.push(tip);
         }
     }
 
-    if !tooltip.is_empty() {
+    if tip_boxes.is_empty() {
-        let mut width: i32 = 0;
+        return;
-        for s in tooltip.iter() {
-            if width < s.len() as i32 {
-                width = s.len() as i32;
-            }
-        }
-        width += 3;
-
-        if mouse_pos.0 > 40 {
-            let arrow_pos = Point::new(mouse_pos.0 - 2, mouse_pos.1);
-            let left_x = mouse_pos.0 - width;
-            let mut y = mouse_pos.1;
-
-            for s in tooltip.iter() {
-                ctx.print_color(
-                    left_x,
-                    y,
-                    RGB::named(rltk::WHITE),
-                    RGB::named(rltk::GREY),
-                    s,
-                );
-                let padding = (width - s.len() as i32) - 1;
-                for i in 0..padding {
-                    ctx.print_color(
-                        arrow_pos.x - i,
-                        y,
-                        RGB::named(rltk::WHITE),
-                        RGB::named(rltk::GREY),
-                        &" ".to_string(),
-                    );
     }
 
-                y += 1;
+    let box_gray = RGB::from_hex("#999999").expect("Oops");
-            }
+    let white = RGB::named(rltk::WHITE);
 
-            ctx.print_color(
+    let arrow;
-                arrow_pos.x,
+    let arrow_x;
-                arrow_pos.y,
+    let arrow_y = mouse_pos.1;
-                RGB::named(rltk::WHITE),
+    if mouse_pos.0 < 40 {
-                RGB::named(rltk::GREY),
+        // Render to the left
-                &"->".to_string(),
+        arrow = to_cp437('→');
-            );
+        arrow_x = mouse_pos.0 - 1;
     } else {
-            let arrow_pos = Point::new(mouse_pos.0 + 1, mouse_pos.1);
+        // Render to the right
-            let left_x = mouse_pos.0 + 3;
+        arrow = to_cp437('←');
-            let mut y = mouse_pos.1;
+        arrow_x = mouse_pos.0 + 1;
-
-            for s in tooltip.iter() {
-                ctx.print_color(
-                    left_x + 1,
-                    y,
-                    RGB::named(rltk::WHITE),
-                    RGB::named(rltk::GREY),
-                    s,
-                );
-
-                let padding = (width - s.len() as i32) - 1;
-                for i in 0..padding {
-                    ctx.print_color(
-                        arrow_pos.x + 1 + i,
-                        y,
-                        RGB::named(rltk::WHITE),
-                        RGB::named(rltk::GREY),
-                        &" ".to_string(),
-                    );
     }
-                y += 1;
+    ctx.set(arrow_x, arrow_y, white, box_gray, arrow);
+
+    let mut total_height = 0;
+    for tt in tip_boxes.iter() {
+        total_height += tt.height();
     }
 
-            ctx.print_color(
+    let mut y = mouse_pos.1 - (total_height / 2);
-                arrow_pos.x,
+    while y + (total_height / 2) > 50 {
-                arrow_pos.y,
+        y -= 1;
-                RGB::named(rltk::WHITE),
-                RGB::named(rltk::GREY),
-                &"<-".to_string(),
-            );
     }
+
+    for tt in tip_boxes.iter() {
+        let x = if mouse_pos.0 < 40 {
+            mouse_pos.0 - (1 + tt.width())
+        } else {
+            mouse_pos.0 + (1 + tt.width())
+        };
+        tt.render(ctx, x, y);
+        y += tt.height();
     }
 }