Initial commit

Lts/Plugins/BuildingViewer/Common/BgViewer/viewerCtrl/orthomotionmodel.h

@@ -0,0 +1,83 @@
+#pragma once
+
+#include <dtEntity/defaultentitysystem.h>
+#include <dtEntity/inputinterface.h>
+#include <dtEntityOSG/cameracomponent.h>
+#include "cameraviewposition.h"
+#include <functional>
+
+namespace VCtrl
+{
+class OrthoMotionModelComponent final
+  : public dtEntity::Component
+  , public dtEntity::InputCallbackInterface
+{
+public:
+  static const dtEntity::ComponentType TYPE;
+  static const dtEntity::StringId ContextIdId;
+  static const dtEntity::StringId EnabledId;
+
+
+  OrthoMotionModelComponent();
+
+  dtEntity::ComponentType GetType() const override { return TYPE; }
+
+  virtual bool IsInstanceOf(dtEntity::ComponentType id) const
+  {
+    return (id == TYPE);
+  }
+
+  void OnAddedToEntity(dtEntity::Entity &entity) override;
+  void OnRemovedFromEntity(dtEntity::Entity &entity) override;
+
+  void Finished() override;
+  void Tick(float dt);
+
+  unsigned int GetContextId() const { return mContextId.Get(); }
+  void SetContextId(unsigned int i) { mContextId.Set(i); }
+
+  bool MouseButtonUp(int button, bool handled, unsigned int contextid) override;
+  bool MouseButtonDown(int button, bool handled, unsigned int contextid) override;
+  bool MouseWheel(int dir, bool handled, unsigned int contextid) override;
+  bool MouseMove(float x, float y, bool handled, unsigned int contextid) override;
+  void MouseEnterLeave(bool, unsigned int) override {}
+
+  void performZoom(int dir, const osg::Vec2& zoompoint);
+
+  dtEntityOSG::CameraComponent *GetCamera() const { return mCamera; }
+
+
+  // First parameter: contextID as returned by OrthoMotionModelComponent::GetContextId
+  std::function<void(unsigned int, const BuildingViewer::CameraViewPosition &)> m_callbackCamPosChanged;
+
+private:
+  bool m_mouseMovedWhileLeftButtonPressed;
+
+  dtEntity::IntProperty mContextId;
+  dtEntity::BoolProperty mEnabled;
+  dtEntityOSG::CameraComponent *mCamera = nullptr;
+  dtEntity::Entity *mEntity = nullptr;
+
+};
+
+////////////////////////////////////////////////////////////////////////////////
+class OrthoMotionModelSystem final
+  : public dtEntity::DefaultEntitySystem<OrthoMotionModelComponent>
+{
+  using BaseClass = dtEntity::DefaultEntitySystem<OrthoMotionModelComponent>;
+
+public:
+
+  static const dtEntity::ComponentType TYPE;
+
+  explicit OrthoMotionModelSystem(dtEntity::EntityManager &em);
+
+  void OnRemoveFromEntityManager(dtEntity::EntityManager &) override;
+
+private:
+
+  void Tick(const dtEntity::Message &m);
+  dtEntity::MessageFunctor mTickFunctor;
+
+};
+}