Separate out the major UIs to get ready for their development, and enable debug button.

status_ui.cpp

@@ -0,0 +1,48 @@
+#include "status_ui.hpp"
+#include <ftxui/dom/node.hpp>      // for Render
+#include <ftxui/screen/box.hpp>    // for ftxui
+#include <ftxui/component/loop.hpp>
+#include <ftxui/screen/color.hpp>
+#include <ftxui/dom/table.hpp>
+#include "components.hpp"
+#include "color.hpp"
+
+namespace gui {
+  using namespace components;
+  using namespace ftxui;
+
+  StatusUI::StatusUI(GameLevel level) :
+    Panel(STATUS_UI_X, STATUS_UI_Y, STATUS_UI_WIDTH, STATUS_UI_HEIGHT, false),
+    $level(level)
+  {
+    default_bg = ColorValue::DARK_MID;
+  }
+
+  void StatusUI::create_render() {
+    auto player = $level.world->get_the<Player>();
+
+    auto status_rend = Renderer([&, player]{
+        const auto& player_combat = $level.world->get<Combat>(player.entity);
+        const auto& combat = $level.world->get<Combat>(player.entity);
+
+        std::vector<Element> log_list;
+        log_list.push_back(text("Log messages here."));
+
+        auto log_box = vbox(log_list) | yflex_grow;
+
+        return hbox({
+            hflow(
+                vbox(
+                  text(fmt::format("HP: {: >3}  DMG: {: >3}",
+                      player_combat.hp,
+                      combat.damage)),
+                  separator(),
+                  log_box
+                  )  | flex_grow
+                )
+            });
+        });
+
+    set_renderer(status_rend);
+  }
+}