Have an initial start screen and simple prototypes for other screens.

src/graphics/scene.cpp

@@ -55,6 +55,8 @@ namespace scene {
   }
 
   void Engine::init() {
+    dbc::log($F("initialized scene with background {}", $scene.background));
+
     $ui.position(SCENE_VIEW_X, SCENE_VIEW_Y, SCENE_VIEW_WIDTH, SCENE_VIEW_HEIGHT);
     $ui.set<guecs::Background>($ui.MAIN, {$ui.$parser, guecs::THEME.TRANSPARENT});
     auto& background = $ui.get<guecs::Background>($ui.MAIN);
@@ -106,6 +108,9 @@ namespace scene {
 
     $camera.render(view);
     if(DEBUG) $ui.debug_layout(view);
+
+    // BUG: should I do this here or let the caller do it?
+    view.display();
   }
 
   Element& Engine::actor_config(const std::string& actor) {

src/gui/fsm.cpp

@@ -25,11 +25,13 @@ namespace gui {
       $window.setVerticalSyncEnabled(VSYNC);
       if(FRAME_LIMIT) $window.setFramerateLimit(FRAME_LIMIT);
       $window.setPosition({0,0});
+
     }
 
   void FSM::event(Event ev, std::any data) {
     switch($state) {
       FSM_STATE(State, START, ev);
+      FSM_STATE(State, START_SCREEN, ev);
       FSM_STATE(State, MOVING, ev);
       FSM_STATE(State, ATTACKING, ev, data);
       FSM_STATE(State, ROTATING, ev);
@@ -44,13 +46,39 @@ namespace gui {
     $main_ui.init();
     $loot_ui.init();
 
+    for(auto& [name, scene] : $scenes) {
+      scene->init();
+    }
+
     // BUG: maybe this is a function on main_ui?
     auto cell = $main_ui.overlay_cell("left");
     $debug_ui.init(cell);
     $status_ui.init();
     run_systems();
 
-    state(State::IDLE);
+    $cur_scene = $scenes["STARTING"];
+    dbc::check($cur_scene != nullptr, "No STARTING scene?!");
+
+    state(State::START_SCREEN);
+  }
+
+  void FSM::START_SCREEN(Event ev) {
+    using enum Event;
+
+    switch(ev) {
+      case MOUSE_CLICK:
+        dbc::log("CLICK!");
+        $cur_scene = nullptr;
+        state(State::IDLE);
+        break;
+      case MOUSE_MOVE: {
+       } break;
+      case TICK:
+        break;
+      default:
+        dbc::log($F("unhandled event: {}", int(ev)));
+        break;
+    }
   }
 
   void FSM::MOVING(Event ) {
@@ -295,17 +323,22 @@ namespace gui {
   void FSM::draw_gui() {
     if($debug_ui.active) {
       debug_render();
-    } else {
-      $main_ui.render();
     }
 
-    $status_ui.render($window);
-    if($loot_ui.active) $loot_ui.render($window);
-
-    if(in_state(State::LOOTING)) $dnd_loot.render();
+    if($cur_scene != nullptr) {
+      $cur_scene->render($window);
+    } else {
+      $main_ui.render();
+      $status_ui.render($window);
+      if($loot_ui.active) $loot_ui.render($window);
+      if(in_state(State::LOOTING)) $dnd_loot.render();
+    }
   }
 
   void FSM::update() {
+    if($cur_scene != nullptr) {
+      $cur_scene->update();
+    }
   }
 
   void FSM::render() {

src/gui/fsm.hpp

@@ -11,10 +11,12 @@
 #include "gui/event_router.hpp"
 #include "gui/dnd_loot.hpp"
 #include "events.hpp"
+#include "gui/scene_ui.hpp"
 
 namespace gui {
   enum class State {
     START=__LINE__,
+    START_SCREEN=__LINE__,
     MOVING=__LINE__,
     ATTACKING=__LINE__,
     ROTATING=__LINE__,
@@ -27,7 +29,6 @@ namespace gui {
     public:
       sf::RenderWindow $window;
       bool $draw_stats = false;
-      bool autowalking = false;
       DebugUI $debug_ui;
       MainUI $main_ui;
       StatusUI $status_ui{STATUS_UI_X, STATUS_UI_Y, STATUS_UI_WIDTH, STATUS_UI_HEIGHT};
@@ -35,17 +36,26 @@ namespace gui {
       gui::routing::Router $router;
       DNDLoot $dnd_loot;
       System::Registry $systems;
+      std::unordered_map<std::string, std::shared_ptr<gui::SceneUI>> $scenes{
+        {"STARTING", std::make_shared<gui::SceneUI>("STARTING")},
+        {"DEATH", std::make_shared<gui::SceneUI>("DEATH")},
+        {"WIN", std::make_shared<gui::SceneUI>("WIN")},
+        {"NEXT_LEVEL", std::make_shared<gui::SceneUI>("NEXT_LEVEL")},
+      };
+
+      std::shared_ptr<gui::SceneUI> $cur_scene = nullptr;
 
       FSM();
 
       void event(game::Event ev, std::any data={});
 
       void START(game::Event ev);
+      void START_SCREEN(game::Event ev);
+      void IDLE(game::Event ev, std::any data);
       void MOVING(game::Event ev);
       void ATTACKING(game::Event ev, std::any data);
       void MAPPING(game::Event ev);
       void ROTATING(game::Event ev);
-      void IDLE(game::Event ev, std::any data);
       void LOOTING(game::Event ev, std::any data);
       void END(game::Event ev);
 

src/gui/scene_ui.cpp

@@ -0,0 +1,29 @@
+#include "gui/scene_ui.hpp"
+#include "game/config.hpp"
+
+
+namespace gui {
+  void SceneUI::init() {
+    $view_sprite.setPosition({0,0});
+    $scene.init();
+  }
+
+  void SceneUI::render(sf::RenderTarget &target) {
+    $scene.render($view_texture);
+    target.draw($view_sprite);
+  }
+
+  void SceneUI::update() {
+    $scene.update();
+  }
+
+  bool SceneUI::mouse(float x, float y, guecs::Modifiers mods) {
+    $scene.mouse(x, y, mods);
+    return false;
+  }
+
+  AnimatedScene SceneUI::load_scene(const std::string& name) {
+    auto scene_config = settings::get("scenes")[name];
+    return components::convert<AnimatedScene>(scene_config);
+  }
+}

src/gui/scene_ui.hpp

@@ -0,0 +1,23 @@
+#pragma once
+#include <guecs/ui.hpp>
+#include "graphics/scene.hpp"
+
+namespace gui {
+  using namespace components;
+
+  class SceneUI {
+    public:
+      std::string name;
+      sf::RenderTexture $view_texture{{SCENE_VIEW_WIDTH, SCENE_VIEW_HEIGHT}};
+      sf::Sprite $view_sprite{$view_texture.getTexture()};
+      AnimatedScene $scene_data{load_scene(name)};
+      scene::Engine $scene{$scene_data};
+
+      AnimatedScene load_scene(const std::string& name);
+
+      void init();
+      void render(sf::RenderTarget &target);
+      void update();
+      bool mouse(float x, float y, guecs::Modifiers mods);
+  };
+}

src/main.cpp

@@ -33,6 +33,7 @@ int main(int argc, char* argv[]) {
 
       // BUG: need to sort out how to deal with this in the FSM
       if(main.in_state(gui::State::IDLE)
+          || main.in_state(gui::State::START_SCREEN)
           || main.in_state(gui::State::LOOTING))
       {
         main.handle_keyboard_mouse();

src/meson.build

@@ -20,6 +20,7 @@ sources = files(
   'gui/main_ui.cpp',
   'gui/overlay_ui.cpp',
   'gui/body_ui.cpp',
+  'gui/scene_ui.cpp',
 
   # graphics
   'graphics/animation.cpp',