Added 2.7

src/gui.rs

@@ -0,0 +1,152 @@
+use crate::gamelog::GameLog;
+use crate::CombatStats;
+use crate::Map;
+use crate::Name;
+use crate::Player;
+use crate::Position;
+use rltk::Point;
+use rltk::Rltk;
+use rltk::RGB;
+use specs::prelude::*;
+
+pub fn draw_ui(ecs: &World, ctx: &mut Rltk) {
+    ctx.draw_box(
+        0,
+        43,
+        79,
+        6,
+        RGB::named(rltk::WHITE),
+        RGB::named(rltk::BLACK),
+    );
+
+    let combat_stats = ecs.read_storage::<CombatStats>();
+    let players = ecs.read_storage::<Player>();
+    let log = ecs.fetch::<GameLog>();
+
+    for (_player, stats) in (&players, &combat_stats).join() {
+        let health = format!(" HP: {} / {}", stats.hp, stats.max_hp);
+        ctx.print_color(
+            12,
+            43,
+            RGB::named(rltk::YELLOW),
+            RGB::named(rltk::BLACK),
+            &health,
+        );
+
+        ctx.draw_bar_horizontal(
+            28,
+            43,
+            51,
+            stats.hp,
+            stats.max_hp,
+            RGB::named(rltk::RED),
+            RGB::named(rltk::BLACK),
+        );
+    }
+
+    let mut y = 44;
+    for s in log.entries.iter().rev() {
+        if y < 49 {
+            ctx.print(2, y, s);
+        }
+        y += 1;
+    }
+
+    // Draw mouse
+    let mouse_pos = ctx.mouse_pos();
+    ctx.set_bg(mouse_pos.0, mouse_pos.1, RGB::named(rltk::MAGENTA));
+    draw_tooltips(ecs, ctx);
+}
+
+fn draw_tooltips(ecs: &World, ctx: &mut Rltk) {
+    let map = ecs.fetch::<Map>();
+    let names = ecs.read_storage::<Name>();
+    let positions = ecs.read_storage::<Position>();
+
+    let mouse_pos = ctx.mouse_pos();
+    if mouse_pos.0 >= map.width || mouse_pos.1 >= map.height {
+        return;
+    }
+
+    let mut tooltip: Vec<String> = Vec::new();
+    for (name, position) in (&names, &positions).join() {
+        let idx = map.xy_idx(position.x, position.y);
+        if position.x == mouse_pos.0 && position.y == mouse_pos.1 && map.visible_tiles[idx] {
+            tooltip.push(name.name.to_string());
+        }
+    }
+
+    if !tooltip.is_empty() {
+        let mut width: i32 = 0;
+        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;
+            }
+            ctx.print_color(
+                arrow_pos.x,
+                arrow_pos.y,
+                RGB::named(rltk::WHITE),
+                RGB::named(rltk::GREY),
+                &"->".to_string(),
+            );
+        } else {
+            let arrow_pos = Point::new(mouse_pos.0 + 1, mouse_pos.1);
+            let left_x = mouse_pos.0 + 3;
+            let mut y = mouse_pos.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 + i + 1,
+                        y,
+                        RGB::named(rltk::WHITE),
+                        RGB::named(rltk::GREY),
+                        &" ".to_string(),
+                    );
+                }
+                y += 1;
+            }
+            ctx.print_color(
+                arrow_pos.x,
+                arrow_pos.y,
+                RGB::named(rltk::WHITE),
+                RGB::named(rltk::GREY),
+                &"->".to_string(),
+            );
+        }
+    }
+}