From 056b0b307b0ac515fda5984270e29b11f890494e Mon Sep 17 00:00:00 2001
From: "Zed A. Shaw" <zed.shaw@gmail.com>
Date: Tue, 8 Jul 2025 00:55:24 -0400
Subject: [PATCH] Implemented a little screenshot tool.

---
 gui/fsm.cpp | 13 +++++++++++++
 gui/fsm.hpp |  1 +
 2 files changed, 14 insertions(+)

diff --git a/gui/fsm.cpp b/gui/fsm.cpp
index 5b747f3..d7e6315 100644
--- a/gui/fsm.cpp
+++ b/gui/fsm.cpp
@@ -361,6 +361,9 @@ namespace gui {
           case KEY::X:
             event(Event::STAIRS_DOWN);
             break;
+          case KEY::F5:
+            take_screenshot();
+            break;
           default:
             break; // ignored
         }
@@ -519,6 +522,16 @@ namespace gui {
     }
   }
 
+  void FSM::take_screenshot() {
+    auto size = $window.getSize();
+    sf::Texture shot{size};
+    shot.update($window);
+    sf::Image out_img = shot.copyToImage();
+
+    bool worked = out_img.saveToFile("./screenshot.png");
+    dbc::check(worked, "Failed to write screenshot.png");
+  }
+
   void FSM::next_level() {
     $levels.create_level($level.world);
     $level = $levels.next();
diff --git a/gui/fsm.hpp b/gui/fsm.hpp
index 6000820..19da502 100644
--- a/gui/fsm.hpp
+++ b/gui/fsm.hpp
@@ -79,5 +79,6 @@ namespace gui {
       void handle_world_events();
       void next_level();
       void debug_render();
+      void take_screenshot();
   };
 }