Files
qt6-migration-pipeline/external/dtEntity/include/dtEntityOSG/groundclampingcomponent.h
T
torsten 99e70069ad
Qt6 Migration CI / migrate (push) Canceled after 0s
Adds external dep dtentity
2026-10-24 09:01:01 +00:00

187 lines
6.7 KiB
C++

#pragma once
/*
* dtEntity Game and Simulation Engine
*
* This library is free software; you can redistribute it and/or modify it under
* the terms of the GNU Lesser General Public License as published by the Free
* Software Foundation; either version 2.1 of the License, or (at your option)
* any later version.
*
* This library is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
* details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library; if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Martin Scheffler
*/
#include <dtEntityOSG/cameracomponent.h>
#include <dtEntity/component.h>
#include <dtEntity/defaultentitysystem.h>
#include <dtEntity/message.h>
#include <dtEntity/dynamicproperty.h>
#include <dtEntity/nodemasks.h>
#include <dtEntity/scriptaccessor.h>
#include <osgUtil/IntersectionVisitor>
#include <osgUtil/LineSegmentIntersector>
#include <osgSim/LineOfSight>
#include <osg/observer_ptr>
namespace dtEntity
{
class MapSystem;
}
namespace dtEntityOSG
{
class GroundClampingComponent : public dtEntity::Component
{
typedef dtEntity::Component BaseClass;
public:
static const dtEntity::ComponentType TYPE;
static const dtEntity::StringId ClampingModeId;
static const dtEntity::StringId ClampingMode_DisabledId;
static const dtEntity::StringId ClampingMode_KeepAboveTerrainId;
static const dtEntity::StringId ClampingMode_SetHeightToTerrainHeightId;
static const dtEntity::StringId ClampingMode_SetHeightAndRotationToTerrainId;
static const dtEntity::StringId MinDistToCameraId;
static const dtEntity::StringId MinMovementDeltaId;
static const dtEntity::StringId VerticalOffsetId;
GroundClampingComponent();
virtual ~GroundClampingComponent();
virtual dtEntity::ComponentType GetType() const { return TYPE; }
virtual bool IsInstanceOf(dtEntity::ComponentType id) const
{
return (id == TYPE);
}
virtual void OnAddedToEntity(dtEntity::Entity& e);
virtual void Finished();
dtEntityOSG::TransformComponent* GetTransformComponent() const { return mTransformComponent; }
void SetClampingMode(dtEntity::StringId mode) { mClampingMode.Set(mode); }
dtEntity::StringId GetClampingMode() const { return mClampingMode.Get(); }
float GetVerticalOffset() const { return mVerticalOffset.Get(); }
void SetVerticalOffset(float v) { mVerticalOffset.Set(v); }
// for keeping track of intersections when using osgSim HeightAboveTerrain
void SetIntersectIndex(unsigned int i) { mIntersectIndex = i; }
unsigned int GetIntersectIndex() const { return mIntersectIndex; }
osgUtil::LineSegmentIntersector* GetIntersector() const { return mIntersector.get(); }
void SetIntersector(osgUtil::LineSegmentIntersector* isect) { mIntersector = isect; }
void SetLastClampedPosition(const osg::Vec3d& p) { mLastClampedPosition = p; }
osg::Vec3d GetLastClampedPosition() const { return mLastClampedPosition; }
void SetLastClampedAttitude(const osg::Quat& p) { mLastClampedAttitude = p; }
osg::Quat GetLastClampedAttitude() const { return mLastClampedAttitude; }
void SetLastClampedNormal(const osg::Vec3& p) { mLastClampedNormal = p; }
osg::Vec3 GetLastClampedNormal() const { return mLastClampedNormal; }
void SetMinDistToCamera(float p) { mMinDistToCamera.Set(p); }
float GetMinDistToCamera() const { return mMinDistToCamera.Get(); }
void SetMinMovementDelta(float p) { mMinMovementDelta.Set(p); }
float GetMinMovementDelta() const { return mMinMovementDelta.Get(); }
void SetDirty(bool v) { mDirty = v; }
bool GetDirty() const { return mDirty; }
private:
dtEntity::StringIdProperty mClampingMode;
dtEntity::FloatProperty mVerticalOffset;
dtEntity::FloatProperty mMinDistToCamera;
dtEntity::FloatProperty mMinMovementDelta;
dtEntityOSG::TransformComponent* mTransformComponent;
unsigned int mIntersectIndex;
dtEntity::Entity* mEntity;
osg::ref_ptr<osgUtil::LineSegmentIntersector> mIntersector;
osg::Vec3d mLastClampedPosition;
osg::Vec3d mLastClampedNormal;
bool mDirty;
osg::Quat mLastClampedAttitude;
};
////////////////////////////////////////////////////////////////////////////////
class GroundClampingSystem
: public dtEntity::DefaultEntitySystem<GroundClampingComponent>
, public dtEntity::ScriptAccessor
{
typedef dtEntity::DefaultEntitySystem<GroundClampingComponent> BaseClass;
public:
static const dtEntity::ComponentType TYPE;
static const dtEntity::StringId EnabledId;
static const dtEntity::StringId IntersectLayerId;
static const dtEntity::StringId FetchLODsId;
GroundClampingSystem(dtEntity::EntityManager& em);
~GroundClampingSystem();
void OnRemoveFromEntityManager(dtEntity::EntityManager& em);
void Tick(const dtEntity::Message& msg);
void CameraAdded(const dtEntity::Message& msg);
void CameraRemoved(const dtEntity::Message& msg);
void MapLoaded(const dtEntity::Message& msg);
bool ClampToTerrain(osg::Vec3d& position, int voffset = 10000, unsigned int nodemask = dtEntity::NodeMasks::TERRAIN);
void SetIntersectLayer(dtEntity::StringId);
dtEntity::StringId GetIntersectLayer() const;
virtual bool StorePropertiesToScene() const { return true; }
void SetEnabled(bool v);
bool GetEnabled() const;
private:
dtEntity::Property* ScriptGetTerrainHeight(const dtEntity::PropertyArgs& args);
dtEntityOSG::TransformComponent* GetTransformComp(dtEntity::EntityId eid, GroundClampingComponent* component);
void DirtyAll();
void HandleIntersection(GroundClampingComponent* component,
const osgUtil::LineSegmentIntersector::Intersection& intersection, float dt, double simTime);
dtEntity::MessageFunctor mTickFunctor;
dtEntity::MessageFunctor mCameraAddedFunctor;
dtEntity::MessageFunctor mCameraRemovedFunctor;
dtEntity::MessageFunctor mMapLoadedFunctor;
osgUtil::IntersectionVisitor mIntersectionVisitor;
osg::observer_ptr<osg::Node> mRootNode;
osg::ref_ptr<osgUtil::IntersectorGroup> mIntersectorGroup;
dtEntity::DynamicBoolProperty mEnabled;
bool mEnabledVal;
dtEntity::DynamicStringIdProperty mIntersectLayer;
dtEntity::StringId mIntersectLayerVal;
dtEntity::BoolProperty mFetchLODs;
osgSim::LineOfSight mLos;
dtEntityOSG::CameraComponent* mCamera;
};
}