We now have a full map that's basically the same mapping system from Roguish. There's a bug right now where it needs you to move once to calc the light and it's not being centered, but it does work.

panel.cpp

@@ -0,0 +1,64 @@
+#include "panel.hpp"
+#include "dbc.hpp"
+
+void Panel::resize(int w, int h) {
+  $dirty = true;
+  width = w;
+  height = h;
+  $screen = Screen(width, height);
+}
+
+void Panel::set_renderer(Component renderer) {
+  $dirty = true;
+  $component = renderer;
+}
+
+void Panel::add(Component child) {
+  dbc::pre("must set_renderer first", $component != nullptr);
+  $dirty = true;
+  $component->Add(child);
+}
+
+void Panel::render() {
+  $dirty = true;
+  if(must_clear) $screen.Clear();
+  Render($screen, $component->Render());
+}
+
+const std::wstring& Panel::to_string() {
+  if($dirty) {
+    std::string as_text = $screen.ToString();
+    $screenout = $converter.from_bytes(as_text);
+    $dirty = false;
+  }
+
+  return $screenout;
+}
+
+void Panel::mouse_click(ftxui::Mouse::Button btn, Point pos) {
+  ftxui::Mouse mev{
+    .button=btn,
+    .motion=ftxui::Mouse::Motion::Pressed,
+    .x=int(pos.x), .y=int(pos.y)
+  };
+
+  $component->OnEvent(ftxui::Event::Mouse("", mev));
+}
+
+void Panel::mouse_release(ftxui::Mouse::Button btn, Point pos) {
+  ftxui::Mouse mev{
+    .button=btn,
+    .motion=ftxui::Mouse::Motion::Released,
+    .x=int(pos.x), .y=int(pos.y)
+  };
+
+  $component->OnEvent(ftxui::Event::Mouse("", mev));
+}
+
+const Screen& Panel::screen() {
+  return $screen;
+}
+
+void Panel::key_press(ftxui::Event event) {
+  $component->OnEvent(event);
+}