You now have blood on your screen when below half health.

gui.cpp

@@ -6,6 +6,7 @@
 #include "components.hpp"
 #include <numbers>
 #include "systems.hpp"
+#include "events.hpp"
 
 
 namespace gui {
@@ -50,6 +51,7 @@ namespace gui {
     $rayview.position_camera($player.x + 0.5, $player.y + 0.5);
 
     $status_view.create_render();
+    $status_view.log("Welcome to the game!");
 
     $renderer.init_terminal();
     $map_view.create_render();
@@ -143,6 +145,7 @@ namespace gui {
         state(State::MAPPING);
         break;
       case ATTACK:
+        $status_view.log("You attack!");
         $rotation = -30.0f;
         state(State::ATTACKING);
         break;
@@ -215,7 +218,10 @@ namespace gui {
             auto& debug = $level.world->get_the<Debug>();
             debug.FPS = !debug.FPS;
             debug.PATHS = !debug.PATHS;
-             } break;
+            auto player = $level.world->get_the<Player>();
+            auto& player_combat = $level.world->get<Combat>(player.entity);
+            player_combat.hp = player_combat.max_hp;
+           } break;
           default:
             break; // ignored
         }
@@ -253,6 +259,18 @@ namespace gui {
     $window.draw($text);
   }
 
+  void FSM::draw_blood() {
+    auto player = $level.world->get_the<Player>();
+    auto player_combat = $level.world->get<Combat>(player.entity);
+
+    if(float(player_combat.hp) / float(player_combat.max_hp) < 0.5) {
+      auto blood = $textures.sprite_textures.at("blood_splatter").sprite;
+      blood->setPosition({RAY_VIEW_X,0});
+      blood->setScale({3.0, 3.0});
+      $window.draw(*blood);
+    }
+  }
+
   void FSM::draw_gui() {
     sf::RectangleShape rect({SCREEN_WIDTH - RAY_VIEW_WIDTH, SCREEN_HEIGHT});
     rect.setPosition({0,0});
@@ -290,6 +308,7 @@ namespace gui {
       $stats.sample(1/elapsed.count());
 
       draw_gui();
+      draw_blood();
       draw_weapon();
     }
 
@@ -314,9 +333,49 @@ namespace gui {
     System::motion($level);
     System::lighting($level);
     System::death($level);
+    handle_world_events();
   }
 
   bool FSM::active() {
     return !in_state(State::END);
   }
+
+  void FSM::handle_world_events() {
+    using eGUI = Events::GUI;
+    auto& world = *$level.world;
+
+    while(world.has_event<eGUI>()) {
+      auto [evt, entity, data] = world.recv<eGUI>();
+
+      switch(evt) {
+        case eGUI::COMBAT: {
+            auto &damage = std::any_cast<Events::Combat&>(data);
+            auto enemy_combat = world.get<Combat>(entity);
+
+            if(damage.enemy_did > 0) {
+              $status_view.log(fmt::format("Enemy HIT YOU for {} damage!", damage.enemy_did));
+              $status_view.log(fmt::format("-- Enemy has {} HP left.", enemy_combat.hp));
+            } else {
+              $status_view.log("Enemy MISSED YOU.");
+            }
+
+            if(damage.player_did > 0) {
+              $status_view.log(fmt::format("You HIT enemy for {} damage!", damage.player_did));
+            } else {
+              $status_view.log("You MISSED the enemy.");
+            }
+          }
+          break;
+        case eGUI::LOOT: {
+            // auto &item = std::any_cast<InventoryItem&>(data);
+            // $status_view.log(fmt::format("You picked up a {}.",
+            //      std::string(item.data["name"])));
+            $status_view.log("You picked up an item.");
+          }
+          break;
+        default:
+          $status_view.log(fmt::format("INVALID EVENT! {},{}", evt, entity));
+      }
+    }
+  }
 }