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#pragma once
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/* -*-c++-*-
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* dtEntity Game and Simulation Engine
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*
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* This library is free software; you can redistribute it and/or modify it under
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* the terms of the GNU Lesser General Public License as published by the Free
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* Software Foundation; either version 2.1 of the License, or (at your option)
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* any later version.
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*
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* This library is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
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* details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this library; if not, write to the Free Software Foundation, Inc.,
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* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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* Martin Scheffler
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*/
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#include <dtEntityOSG/export.h>
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#include <dtEntity/defaultentitysystem.h>
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#include <dtEntityOSG/transformcomponent.h>
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#include <dtEntity/stringid.h>
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namespace osg
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{
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class Group;
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class Camera;
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}
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namespace dtEntityOSG
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{
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/**
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* The camera component holds properties for the osg::Camera object
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*/
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class DTENTITY_OSG_EXPORT CameraComponent
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: public TransformComponent
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{
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typedef TransformComponent BaseClass;
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public:
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static const dtEntity::ComponentType TYPE;
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static const dtEntity::StringId ContextIdId;
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static const dtEntity::StringId LayerAttachPointId;
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static const dtEntity::StringId CullingModeId;
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static const dtEntity::StringId CullMaskId;
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static const dtEntity::StringId NoAutoNearFarCullingId;
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static const dtEntity::StringId BoundingVolumeNearFarCullingId;
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static const dtEntity::StringId PrimitiveNearFarCullingId;
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static const dtEntity::StringId FieldOfViewId;
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static const dtEntity::StringId AspectRatioId;
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static const dtEntity::StringId NearClipId;
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static const dtEntity::StringId FarClipId;
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static const dtEntity::StringId LODScaleId;
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static const dtEntity::StringId ClearColorId;
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static const dtEntity::StringId PositionId;
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static const dtEntity::StringId EyeDirectionId;
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static const dtEntity::StringId UpId;
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static const dtEntity::StringId OrthoLeftId;
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static const dtEntity::StringId OrthoRightId;
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static const dtEntity::StringId OrthoTopId;
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static const dtEntity::StringId OrthoBottomId;
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static const dtEntity::StringId OrthoZNearId;
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static const dtEntity::StringId OrthoZFarId;
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static const dtEntity::StringId ProjectionModeId;
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static const dtEntity::StringId ModePerspectiveId;
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static const dtEntity::StringId ModeOrthoId;
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CameraComponent();
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virtual ~CameraComponent();
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virtual dtEntity::ComponentType GetType() const
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{
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return TYPE;
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}
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virtual void OnAddedToEntity(dtEntity::Entity& entity);
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virtual void OnRemovedFromEntity(dtEntity::Entity& entity);
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osg::Camera* GetCamera() const;
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virtual void Finished();
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void FetchCamera();
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void SetContextId(int id);
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int GetContextId() const { return mContextIdVal; }
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void SetLayerAttachPoint(dtEntity::StringId id);
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dtEntity::StringId GetLayerAttachPoint() const;
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void SetProjectionMode(dtEntity::StringId);
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dtEntity::StringId GetProjectionMode() const { return mProjectionModeVal; }
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void SetCullingMode(dtEntity::StringId);
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dtEntity::StringId GetCullingMode() const { return mCullingModeVal; }
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/** Set up vector of camera. Call UpdateViewMatrix to apply changes. */
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void SetUp(const osg::Vec3d&);
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osg::Vec3d GetUp() const;
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/** Set eye position of camera. Call UpdateViewMatrix to apply changes. */
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void SetPosition(const osg::Vec3d&);
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osg::Vec3d GetPosition() const;
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/** Set look direction of camera. Should be a normalized vector!
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* Call UpdateViewMatrix to apply changes.
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*/
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void SetEyeDirection(const osg::Vec3d&);
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osg::Vec3d GetEyeDirection() const;
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/**
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* Re-calculate osg camera view matrix from up, pos and eye dir vectors
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*/
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void UpdateViewMatrix();
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/**
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* Re-calculate osg camera projection matrix from mode, near, far etc
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*/
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void UpdateProjectionMatrix();
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/**
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* Set the osg node mask controlling which nodes are
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* visible to the camera. Please see dtEntity/nodemasks.h
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*/
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void SetCullMask(unsigned int mask);
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unsigned int GetCullMask() const;
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void SetClearColor(const osg::Vec4&);
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osg::Vec4 GetClearColor() const;
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virtual osg::Vec3d GetTranslation() const { return GetPosition(); }
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virtual void SetTranslation(const osg::Vec3d& v) { SetPosition(v); }
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virtual osg::Quat GetRotation() const
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{
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osg::Quat q;
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q.makeRotate(osg::Vec3d(0,1,0), mEyeDirection.Get());
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return q;
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}
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virtual void SetRotation(const osg::Quat& q)
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{
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mEyeDirection.Set(q * osg::Vec3d(0, 1, 0));
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}
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void SetFieldOfView(double v);
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double GetFieldOfView() const;
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void SetAspectRatio(double v);
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double GetAspectRatio() const;
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void SetNearClip(double v);
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double GetNearClip() const;
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void SetFarClip(double v);
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double GetFarClip() const;
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void SetLODScale(float v);
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float GetLODScale() const;
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void SetOrthoLeft(double v);
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double GetOrthoLeft() const;
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void SetOrthoRight(double v);
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double GetOrthoRight() const;
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void SetOrthoTop(double v);
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double GetOrthoTop() const;
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void SetOrthoBottom(double v);
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double GetOrthoBottom() const;
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void SetOrthoZNear(double v);
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double GetOrthoZNear() const;
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void SetOrthoZFar(double v);
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double GetOrthoZFar() const;
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void TryAssignContext();
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private:
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dtEntity::DynamicIntProperty mContextId;
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int mContextIdVal;
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dtEntity::DynamicStringIdProperty mLayerAttachPoint;
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dtEntity::StringId mLayerAttachPointVal;
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dtEntity::DynamicStringIdProperty mCullingMode;
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dtEntity::StringId mCullingModeVal;
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dtEntity::DynamicDoubleProperty mFieldOfView;
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double mFieldOfViewVal;
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dtEntity::DynamicDoubleProperty mAspectRatio;
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double mAspectRatioVal;
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dtEntity::DynamicDoubleProperty mNearClip;
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double mNearClipVal;
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dtEntity::DynamicDoubleProperty mFarClip;
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double mFarClipVal;
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dtEntity::DynamicVec4Property mClearColor;
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dtEntity::DynamicFloatProperty mLODScale;
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dtEntity::Vec3dProperty mPosition;
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dtEntity::Vec3dProperty mUp;
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dtEntity::Vec3dProperty mEyeDirection;
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dtEntity::DynamicUIntProperty mCullMask;
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dtEntity::DynamicStringIdProperty mProjectionMode;
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dtEntity::StringId mProjectionModeVal;
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dtEntity::DynamicDoubleProperty mOrthoLeft;
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dtEntity::DynamicDoubleProperty mOrthoRight;
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dtEntity::DynamicDoubleProperty mOrthoBottom;
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dtEntity::DynamicDoubleProperty mOrthoTop;
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dtEntity::DynamicDoubleProperty mOrthoZNear;
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dtEntity::DynamicDoubleProperty mOrthoZFar;
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double mOrthoLeftVal;
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double mOrthoRightVal;
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double mOrthoBottomVal;
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double mOrthoTopVal;
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double mOrthoZNearVal;
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double mOrthoZFarVal;
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};
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////////////////////////////////////////////////////////////////////////////////
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class DTENTITY_OSG_EXPORT CameraSystem
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: public dtEntity::DefaultEntitySystem<CameraComponent>
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{
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public:
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static const dtEntity::ComponentType TYPE;
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CameraSystem(dtEntity::EntityManager& em);
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~CameraSystem();
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dtEntity::EntityId GetCameraEntityByContextId(int id);
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void OnWindowCreated(const dtEntity::Message& msg);
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private:
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dtEntity::MessageFunctor mWindowCreatedFunctor;
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};
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}
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