Improve physical geometry, fluid solvers, audio, and profiling

include/FluidSim/Desktop/DesktopUi.hpp

@@ -3,6 +3,8 @@
 #include "FluidSim/DynoCurve.hpp"
 #include "FluidSim/Desktop/PedalControl.hpp"
 #include "FluidSim/Desktop/EngineRenderer3D.hpp"
+#include <optional>
+#include <string>
 #include <SFML/Graphics.hpp>
 namespace fluidsim::port::desktop {
 struct PlaybackInfo {
@@ -24,8 +26,17 @@ public:
     bool handle_event(const sf::Event&,sf::Vector2u);
     AudioListener listener(const ScenarioSnapshot&,sf::Vector2u);
     void draw(sf::RenderWindow&,const sf::Font*,const ScenarioSnapshot&,const PlaybackInfo&);
+    void configure_resolution(float density) { resolution_=density; }
+    std::optional<float> take_resolution_request() {auto value=resolution_request_;resolution_request_.reset();return value;}
+    void resolution_started() {resolution_busy_=true;resolution_status_="Building mesh...";}
+    void resolution_finished(float density,const std::string& message) {resolution_=density;resolution_busy_=false;resolution_status_=message;}
+    static std::array<sf::FloatRect,2> resolution_buttons(sf::Vector2u size);
 private:
     DynoCurve dyno_;
+    float resolution_{20};
+    bool resolution_busy_{};
+    std::optional<float> resolution_request_;
+    std::string resolution_status_;
     EngineRenderer3D renderer_;
     OrbitCamera camera_;
     bool three_d_{true},camera_fitted_{},pan_drag_{},pedal_drag_{};
@@ -34,5 +45,8 @@ private:
     sf::Vector2i previous_mouse_{};
     bool dragging_{};
     float zoom_{1};
+    float camera_aspect_{};
+    WorkspaceLayout workspace_layout(sf::Vector2u size) const;
+    void fit_camera(float aspect,const ScenarioSnapshot&);
 };
 }