feat(renderer): add screenshot capture with F2

include/Cubed/render/renderer.hpp

@@ -25,7 +25,7 @@ class DevPanel;
 class Renderer {
 public:
     constexpr static int NUM_VAO = 7;
-
+    constexpr static const char* SCREENSHOT_PATH = "./screenshot";
     Renderer(TextureManager& texture_manager, Config& config);
     ~Renderer();
     void reload_config();
@@ -83,6 +83,8 @@ public:
 
     ModelRender& model_renderer();
 
+    void save_screenshot();
+
 private:
     TextureManager& m_texture_manager;
     bool m_init = false;
@@ -98,6 +100,8 @@ private:
     float m_window_width = 0.0f;
     float m_window_height = 0.0f;
 
+    bool m_save_screenshot = false;
+
     glm::mat4 m_world_proj_matrix;
 
     std::unique_ptr<VertexBuffer> m_sky_vbo;
@@ -129,6 +133,7 @@ private:
     void updata_framebuffer(int width, int height);
     void init_quad();
     void init_text();
+    void handle_screenshot();
 };
 
 } // namespace Cubed

include/Cubed/tools/time_tools.hpp

@@ -1,11 +1,23 @@
 #pragma once
 
 #include <SDL3/SDL_timer.h>
+#include <chrono>
 #include <cstdint>
+#include <format>
+#include <string>
 namespace Cubed {
 namespace Tools {
 // return ms
 inline uint64_t get_time_ticks() { return SDL_GetTicks(); }
+
+inline std::string get_time_date_str() {
+    static auto* zone = std::chrono::current_zone();
+    auto now = std::chrono::system_clock::now();
+    auto local =
+        std::chrono::time_point_cast<std::chrono::seconds>(zone->to_local(now));
+    return std::format("{:%F %T}", local);
+}
+
 } // namespace Tools
 
 } // namespace Cubed