genesis-3d_engine/Engine/app/graphicfeature/components/projectorcomponent.h
zhongdaohuan 6e8fbca745 genesis-3d engine version 1.3.
match the genesis editor version 1.3.0.653.
2014-05-05 14:50:33 +08:00

363 lines
10 KiB
C++

/****************************************************************************
Copyright (c) 2011-2013,WebJet Business Division,CYOU
http://www.genesis-3d.com.cn
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
****************************************************************************/
#ifndef __PROJECTORCOMPONENT_H__
#define __PROJECTORCOMPONENT_H__
#include "graphicfeature/components/rendercomponent.h"
#include "Projector/Projector.h"
namespace App
{
class ProjectorRenderObject;
class TerrainRenderComponent;
class TerrainNode;
class ProjectorRenderComponent : public App::RenderComponent
{
__DeclareSubClass(ProjectorRenderComponent, App::RenderComponent);
public:
/// constructor
ProjectorRenderComponent();
/// destructor
virtual ~ProjectorRenderComponent();
/// setup callbacks for this component, call by Actor in OnActivate()
virtual void SetupCallbacks();
/// override to register accepted messages
virtual void SetupAcceptedMessages();
/// handle a single message
virtual void HandleMessage(const GPtr<Messaging::Message>& msg);
// @ISerialization::GetVersion. when change storage, must add SerializeVersion count
virtual Version GetVersion() const;
virtual void UpdateRenderLayer();
// @ISerialization::Load
virtual void Load( Version ver, AppReader* pReader, const Serialization::SerializationArgs* args );
// @ISerialization::Save
virtual void Save( AppWriter* pWriter ) const;
void ActiveProjector(bool enable);
const RenderBase::PrimitiveHandle& GetPrimitiveHandleByRenderable(const Graphic::Renderable* renderable) const;
// View type
void SetViewType(Graphic::Projector::ViewType viewType);
Graphic::Projector::ViewType GetViewType() const;
// Fov
void SetFov(float fileOfView);
float GetFov() const;
// Aspect radio
float GetAspectRatio() const;
void SetAspectRatio(float angles);
// Near clip plane
void SetNearClipPlane(float nearClipPlane);
float GetNearClipPlane() const;
float GetNearWidth() const;
float GetNearHeight() const;
// Far clip plane
void SetFarClipPlane(float farClipPlane);
float GetFarClipPlane() const;
float GetFarWidth() const;
float GetFarHeight() const;
// Ignore Layers
void SetIgnoreLayers(uint ignoreLayers);
uint GetIgnoreLayers() const;
// Material
void SetMaterialID( IndexT iSubMesh, const Resources::ResourceId& matID,const bool bCopy = false,Resources::Priority p = 0 );
const Resources::ResourceId& GetMaterialID(IndexT iSubMesh );
// Get view projection
const Math::matrix44& GetViewProjMatrix() const;
void SetProj( Graphic::Projector::ViewType viewType, float fovOrHeight, float zNear, float zFar);
// copy from other component
virtual void CopyFrom( const GPtr<Component>& pComponent );
public:
/**
Worldspace clipping planes.
*/
enum FrustumPlane
{
FRUSTUM_PLANE_NEAR = 0,
FRUSTUM_PLANE_FAR = 1,
FRUSTUM_PLANE_LEFT = 2,
FRUSTUM_PLANE_RIGHT = 3,
FRUSTUM_PLANE_TOP = 4,
FRUSTUM_PLANE_BOTTOM = 5,
FRUSTUM_PLANE_COUNT = 6
};
void _UpdateProjector();
void SetProjectorTrans(const Math::matrix44& trans);
void EnableProjectorUpdate(bool bEnable);
Math::scalar GetAlphaValue(Math::scalar u, Math::scalar v);
const GPtr<Graphic::Projector>& GetProJector() const;
const bool IsProjectorEnabled() const;
void Update();
protected:
friend class CameraComponentSerialization;
void _BuildRenderable();
void _BuildRenderObject();
void _BuildMeshInfo();
// Attach renderable to render object
void _AttachRenderObject();
// Deattach renderable to render object
void _DeattachRenderObject();
void _UpdateBoundingBox(const Math::float3 &p);
/// called from Actor::ActivateComponents()
virtual void OnActivate();
/// called from Actor::DeactivateComponents()
virtual void OnDeactivate();
virtual void OnRenderSceneChanged();
/// called on begin of frame
virtual void _OnBeginFrame();
/// called on frame
virtual void _OnFrame();
/// @Component::Component called after movement has happened.
/// this will change the camera view matrix when Actor change
virtual void _OnMoveAfter();
protected:
typedef ProjectorRenderObject RenderObjectType;
GPtr<Graphic::Projector> mProjector;
bool mIsNeedUpdate;
// Mesh postion data
Util::Array<Math::float3> mVertexs;
SizeT mVertexLimit;
// Terrain position & indices data
Util::Array<Math::float3> mTerrainVertexs;
Util::Array<unsigned short> mTerrainIndices;
// aabb
Math::bbox mAabb;
// Mesh primitive
RenderBase::PrimitiveHandle mPrimitive;
// Terrain primitive
RenderBase::PrimitiveHandle mTerrainPrimitive;
GPtr<ProjectorRenderObject> mProjectorRenderObject;
#ifdef __GENESIS_EDITOR__
public:
// Editor brush state
bool GetBrushState() const;
void SetBrushState(const bool b);
protected:
// brush helper
bool mIsBrushHelper;
#endif
};
//------------------------------------------------------------------------------
inline
const GPtr<Graphic::Projector>&
ProjectorRenderComponent::GetProJector() const
{
n_assert(mProjector);
return mProjector;
}
//--------------------------------------------------------------------------------
inline
void
ProjectorRenderComponent::SetViewType( Graphic::Projector::ViewType viewType )
{
mProjector->SetViewType(viewType);
}
//--------------------------------------------------------------------------------
inline
void
ProjectorRenderComponent::SetProj( Graphic::Projector::ViewType viewType, float fovOrHeight, float zNear, float zFar)
{
mProjector->SetProj( viewType, fovOrHeight, zNear, zFar);
}
//--------------------------------------------------------------------------------
inline
void
ProjectorRenderComponent::SetAspectRatio( float angles )
{
mProjector->SetAspectRatio(angles);
}
//--------------------------------------------------------------------------------
inline
float
ProjectorRenderComponent::GetAspectRatio() const
{
return mProjector->GetAspectRatio();
}
//--------------------------------------------------------------------------------
inline
uint
ProjectorRenderComponent::GetIgnoreLayers() const
{
return mProjector->GetIgnoreLayers();
}
//--------------------------------------------------------------------------------
inline
float
ProjectorRenderComponent::GetFarClipPlane() const
{
return mProjector->GetFarClipPlane();
}
//--------------------------------------------------------------------------------
inline
float
ProjectorRenderComponent::GetNearClipPlane() const
{
return mProjector->GetNearClipPlane();
}
//--------------------------------------------------------------------------------
inline
void
ProjectorRenderComponent::SetFov( float fileOfView )
{
mProjector->SetFov(fileOfView);
}
//--------------------------------------------------------------------------------
inline
float
ProjectorRenderComponent::GetFov() const
{
return mProjector->GetFov();
}
//--------------------------------------------------------------------------------
inline
float
ProjectorRenderComponent::GetFarWidth() const
{
return mProjector->GetFarWidth();
}
//--------------------------------------------------------------------------------
inline
Graphic::Projector::ViewType
ProjectorRenderComponent::GetViewType() const
{
return mProjector->GetViewType();
}
//--------------------------------------------------------------------------------
inline
float
ProjectorRenderComponent::GetFarHeight() const
{
return mProjector->GetFarHeight();
}
//--------------------------------------------------------------------------------
inline
void
ProjectorRenderComponent::SetIgnoreLayers( uint ignoreLayers )
{
mProjector->SetIgnoreLayers(ignoreLayers);
}
//--------------------------------------------------------------------------------
inline
float
ProjectorRenderComponent::GetNearWidth() const
{
return mProjector->GetNearWidth();
}
//--------------------------------------------------------------------------------
inline
float
ProjectorRenderComponent::GetNearHeight() const
{
return mProjector->GetNearHeight();
}
//--------------------------------------------------------------------------------
inline
void
ProjectorRenderComponent::SetNearClipPlane( float nearClipPlane )
{
mProjector->SetNearClipPlane(nearClipPlane);
}
//--------------------------------------------------------------------------------
inline
void
ProjectorRenderComponent::SetFarClipPlane( float farClipPlane )
{
mProjector->SetFarClipPlane(farClipPlane);
}
//--------------------------------------------------------------------------------
inline
const Math::matrix44&
ProjectorRenderComponent::GetViewProjMatrix() const
{
return mProjector->GetViewProjMatrix();
}
//--------------------------------------------------------------------------------
inline
void
ProjectorRenderComponent::SetMaterialID( IndexT iSubMesh, const Resources::ResourceId& matID,const bool bCopy /* = false */,Resources::Priority p )
{
for ( IndexT i = 0; i < 2; ++i)
{
Super::SetMaterialID( i, matID, false);
}
}
//--------------------------------------------------------------------------------
inline
const Resources::ResourceId&
ProjectorRenderComponent::GetMaterialID( IndexT iSubMesh )
{
return Super::GetMaterialID(0);
}
}; // namespace GraphicsFeature
#endif // __PROJECTORCOMPONENT_H__