genesis-3d_engine/Engine/app/graphicfeature/components/projectorcomponent.cc

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/****************************************************************************
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 __PROJECTOR_COMMIT__
#include "stdneb.h"
#include "projectorcomponent.h"
#include "graphicfeature/graphicsfeatureprotocol.h"
#include "graphicfeature/graphicsfeature.h"
#include "rendersystem/RenderSystem.h"
#if __ANDROID__
#define ICE_NO_DLL
#include "OPCODEA/Opcode.h"
#elif __OSX__
#include "Opcode.h"
#elif __WIN32__
#include "Opcode/Opcode.h"
#endif
#include "graphicsystem/Projector/CollisionModelServer.h"
#include "app/graphicfeature/components/skinnedmeshrendercomponent.h"
#include "app/graphicfeature/components/projectorcomponent.h"
#include "app/graphicfeature/components/projectorrenderobject.h"
#include "resource/meshres.h"
#include "app/terrainfeature/components/TerrainRenderObject.h"
namespace App
{
using namespace Resources;
const char* DefaultMaterial = "sys:projector.material";
__ImplementClass(App::ProjectorRenderComponent, 'PCOM', App::RenderComponent);
ProjectorRenderComponent::ProjectorRenderComponent()
: mProjector(NULL),
mIsNeedUpdate(false),
mVertexLimit(4*1024),
mPrimitive(NULL),
mTerrainPrimitive(NULL)
#ifdef __GENESIS_EDITOR__ // edtior use
,mIsBrushHelper(false)
#endif
{
mProjector = Graphic::Projector::Create();
mAabb.begin_extend();
}
//--------------------------------------------------------------------------------
ProjectorRenderComponent::~ProjectorRenderComponent()
{
if (mProjector.isvalid())
{
mProjector = NULL;
}
}
//--------------------------------------------------------------------------------
void ProjectorRenderComponent::SetupCallbacks()
{
mActor->RegisterComponentCallback(this, BeginFrame);
mActor->RegisterComponentCallback(this, OnFrame);
mActor->RegisterComponentCallback(this, MoveAfter);
}
//--------------------------------------------------------------------------------
void ProjectorRenderComponent::SetupAcceptedMessages()
{
Super::SetupAcceptedMessages();
}
//--------------------------------------------------------------------------------
void ProjectorRenderComponent::HandleMessage(const GPtr<Messaging::Message>& msg)
{
Super::HandleMessage(msg);
}
//--------------------------------------------------------------------------------
void ProjectorRenderComponent::OnActivate()
{
Super::OnActivate();
if ( mActor )
{
mProjector->SetTransform( mActor->GetWorldTranslateRotation() );
}
if ( IsActive() )
{
_BuildRenderObject();
_AttachRenderObject();
}
}
//--------------------------------------------------------------------------------
void ProjectorRenderComponent::OnDeactivate()
{
Super::OnDeactivate();
if ( !IsActive())
{
_DeattachRenderObject();
}
if ( mPrimitive.IsValid() )
{
Graphic::GraphicSystem::Instance()->RemovePrimitive(mPrimitive);
mPrimitive = RenderBase::PrimitiveHandle();
}
if (mTerrainPrimitive)
{
Graphic::GraphicSystem::Instance()->RemovePrimitive(mTerrainPrimitive);
mTerrainPrimitive = RenderBase::PrimitiveHandle();
}
}
void ProjectorRenderComponent::UpdateRenderLayer()
{
if (mProjectorRenderObject.isvalid())
{
mProjectorRenderObject->SetLayerID(mActor->GetLayerID());
}
}
//--------------------------------------------------------------------------------
void ProjectorRenderComponent::_OnBeginFrame()
{
Super::_OnBeginFrame();
}
//--------------------------------------------------------------------------------
void ProjectorRenderComponent::_OnFrame()
{
#ifdef __GENESIS_EDITOR__
if(!mIsBrushHelper)
{
#endif
Update();
#ifdef __GENESIS_EDITOR__
}
#endif
}
//--------------------------------------------------------------------------------
void ProjectorRenderComponent::Update()
{
Super::_OnFrame();
if (mProjector.isvalid() && mIsNeedUpdate && m_bAllTexLoaded)
{
_UpdateProjector();
_BuildMeshInfo();
_BuildRenderable();
}
}
//--------------------------------------------------------------------------------
void ProjectorRenderComponent::_UpdateProjector()
{
// Rebuild mesh vertex container
mVertexs.Clear(false);
// Rebuild terrain vertex & indices container
mTerrainVertexs.Clear(false);
mTerrainIndices.Clear(false);
// Update shader param & retrieve render objects
mProjector->_UpdateProjector();
for(int matIndex=0;matIndex<GetMaterialCount();matIndex++)
{
GPtr<Graphic::MaterialInstance> instance = GetMaterial(matIndex);
instance->SetSort(Graphic::MatSort_ProjectorBegin+matIndex);
}
// Collision dealing
Math::matrix44 viewProjMatrix = Math::matrix44::zero();
Graphic::CollisionModelServer* collisionModelServer = Graphic::CollisionModelServer::Instance();
// TODO: Optimize usage of the following variables
Opcode::PlanesCollider planesCollider;
Opcode::PlanesCache planesCache;
IceMaths::Plane clipPlanes[6];
const Util::Array<GPtr<Graphic::RenderObject> >& renderObjs = mProjector->GetRenderObjs();
for (int i = 0; i < renderObjs.Size(); ++i)
{
// check ignore layer
if ( (1 << renderObjs[i]->GetLayerID() & mProjector->GetIgnoreLayers()) || !renderObjs[i]->GetProjected())
{
continue;
}
if ( renderObjs[i] && renderObjs[i]->GetRtti()->IsDerivedFrom(MeshRenderObject::RTTI)
&& !renderObjs[i]->GetRtti()->IsDerivedFrom(SkinnedRenderObject::RTTI)
#ifdef __GENESIS_EDITOR__
&& !mIsBrushHelper
#endif
)
{
GPtr<Graphic::RenderObject > renderObj = renderObjs[i];
// skip the subRenderObject such as axis_X etc
if ( renderObj->GetLayerID() == eSL_Assist )
continue;
GPtr<MeshRenderObject> meshRenderObj = renderObj.downcast<MeshRenderObject>();
n_assert(meshRenderObj);
// Get world matrix
const Math::matrix44& worldMatrix = meshRenderObj->GetTransform();
// Compute world-view-projection matrix
if ( viewProjMatrix == Math::matrix44::zero() )
{
viewProjMatrix = Math::matrix44::multiply(
mProjector->_CalcProjMatrix(),Math::matrix44::inverse(mProjector->GetTransform()));
}
Math::matrix44 worldViewProjMatrix = Math::matrix44::multiply(viewProjMatrix,worldMatrix);
// Get the collision mode
Util::StringAtom mesh = meshRenderObj->GetMeshName();
const GPtr<Graphic::CollisionModel>& collisionModel = collisionModelServer->GetCollisionModel( mesh.AsString() );
// Setup clip planes in model space, NB: Opcode use negative side as inside
// formula overturn : \\10.6.34.129\linuxsir\<5C><>ѵ<EFBFBD>ĵ<EFBFBD>\<5C><><EFBFBD><EFBFBD>\Graphics\Math\plane_extraction.pdf
clipPlanes[FRUSTUM_PLANE_LEFT].Set(
- worldViewProjMatrix[0][0] - worldViewProjMatrix[3][0],
- worldViewProjMatrix[0][1] - worldViewProjMatrix[3][1],
- worldViewProjMatrix[0][2] - worldViewProjMatrix[3][2],
- worldViewProjMatrix[0][3] - worldViewProjMatrix[3][3]);
clipPlanes[FRUSTUM_PLANE_RIGHT].Set(
+ worldViewProjMatrix[0][0] - worldViewProjMatrix[3][0],
+ worldViewProjMatrix[0][1] - worldViewProjMatrix[3][1],
+ worldViewProjMatrix[0][2] - worldViewProjMatrix[3][2],
+ worldViewProjMatrix[0][3] - worldViewProjMatrix[3][3]);
clipPlanes[FRUSTUM_PLANE_BOTTOM].Set(
- worldViewProjMatrix[1][0] - worldViewProjMatrix[3][0],
- worldViewProjMatrix[1][1] - worldViewProjMatrix[3][1],
- worldViewProjMatrix[1][2] - worldViewProjMatrix[3][2],
- worldViewProjMatrix[1][3] - worldViewProjMatrix[3][3]);
clipPlanes[FRUSTUM_PLANE_TOP].Set(
+ worldViewProjMatrix[1][0] - worldViewProjMatrix[3][0],
+ worldViewProjMatrix[1][1] - worldViewProjMatrix[3][1],
+ worldViewProjMatrix[1][2] - worldViewProjMatrix[3][2],
+ worldViewProjMatrix[1][3] - worldViewProjMatrix[3][3]);
clipPlanes[FRUSTUM_PLANE_NEAR].Set(
- worldViewProjMatrix[2][0] - worldViewProjMatrix[3][0],
- worldViewProjMatrix[2][1] - worldViewProjMatrix[3][1],
- worldViewProjMatrix[2][2] - worldViewProjMatrix[3][2],
- worldViewProjMatrix[2][3] - worldViewProjMatrix[3][3]);
clipPlanes[FRUSTUM_PLANE_FAR].Set(
+ worldViewProjMatrix[2][0] - worldViewProjMatrix[3][0],
+ worldViewProjMatrix[2][1] - worldViewProjMatrix[3][1],
+ worldViewProjMatrix[2][2] - worldViewProjMatrix[3][2],
+ worldViewProjMatrix[2][3] - worldViewProjMatrix[3][3]);
if (!planesCollider.Collide( planesCache, clipPlanes, 6, collisionModel->GetOpCodeModel(), NULL))
continue;
const uint* triangles = planesCollider.GetTouchedPrimitives();
const uint numTriangles = planesCollider.GetNbTouchedPrimitives();
if (!triangles || !numTriangles)
continue;
// Get the view vector base on projection type
Math::float4 vv;
Math::matrix44 eyeToModel = Math::matrix44::inverse(Math::matrix44::multiply( Math::matrix44::inverse(mProjector->GetTransform()), worldMatrix));
if ( mProjector->GetViewType() == Graphic::Projector::VT_Persp )
{
// Use view position as view vector
vv[0] = eyeToModel[0][3];
vv[1] = eyeToModel[1][3];
vv[2] = eyeToModel[2][3];
vv[3] = eyeToModel[3][3];
}
else
{
// Use view direction as view vector
vv[0] = eyeToModel[0][2];
vv[1] = eyeToModel[1][2];
vv[2] = eyeToModel[2][2];
vv[3] = eyeToModel[3][2];
}
const Util::Array<Math::float4>& faceNormals = collisionModel->GetFaceNormals();
const Util::Array<Math::float3>& vertices = collisionModel->GetVertices();
const Util::Array<uint>& indices = collisionModel->GetIndices();
SizeT vertexStart = mVertexs.Size();
SizeT vertexCount = 0;
SizeT cullCount = 0;
// Reserve memory avoid allocate overhead
mVertexs.Reserve(vertexStart + numTriangles*3);
for (uint i = 0; i < numTriangles; ++i)
{
uint triangleIndex = triangles[i];
Math::float4 faceNormal = Math::float4::normalize(faceNormals[triangleIndex]);
faceNormal.set_w(0.0f);
// check the triangle is projector facing
if ( ! Math::n_fequal(Math::float4::dot4(faceNormal,vv), 0.0f, 0.001f) )
{
Math::float3 tempPos;
Math::float4 result;
// transform vertex from model space to world space
for (int i = 0; i < 3; ++i,++vertexCount)
{
int index = triangleIndex*3 + i;
tempPos = vertices[indices[index]];
result = Math::matrix44::transform(worldMatrix,Math::float4(tempPos.x(),tempPos.y(),tempPos.z(),1.0f));
tempPos.x() = result.x();
tempPos.y() = result.y();
tempPos.z() = result.z();
mVertexs.Append(tempPos);
_UpdateBoundingBox(tempPos);
}
}
}
// Check vertex limit
n_assert(vertexStart <= mVertexLimit);
if ( mVertexLimit <= vertexStart )
break; // Just for safely
// check overrun
bool overrun = vertexStart + vertexCount > mVertexLimit;
if (overrun)
{
// discard overrun vertices
vertexCount = (mVertexLimit - vertexStart)/ 3 * 3;
mVertexs.Resize(vertexStart + vertexCount,Math::float3(0.0, 0.0, 0.0));
}
// No more process because vertices overrun
if (overrun)
break;
}
else if ( renderObjs[i]->GetRtti()->IsDerivedFrom(TerrainRenderObject::RTTI))
{
GPtr<TerrainRenderObject> terrainRenderObject = renderObjs[i].downcast<TerrainRenderObject>();
n_assert(terrainRenderObject.isvalid());
// catch indices
Resources::Index16Container::value_type* pIndices = terrainRenderObject->GetTerrainNodeIndexData();
SizeT indicesCount = terrainRenderObject->GetTerrainNodeIndexDataCount();
SizeT positionCount = mTerrainVertexs.Size();
for (int i = 0 ; i < indicesCount; ++i)
{
mTerrainIndices.Append(pIndices[i] + positionCount);
}
// catch position
const Resources::PositionData::Elem* pLocalPosition = terrainRenderObject->GetTerrainNodePosData();
SizeT positionsCount = terrainRenderObject->GetTerrainNodePosCount();
for ( int i = 0; i < positionsCount; ++i)
{
const Math::float3 worldPostion = pLocalPosition[i].transformPoint(terrainRenderObject->GetTransform());
mTerrainVertexs.Append(worldPostion);
_UpdateBoundingBox(worldPostion);
}
} // end handling each render object
} // end foreach render object
}
//--------------------------------------------------------------------------------
void ProjectorRenderComponent::_UpdateBoundingBox( const Math::float3 &pos)
{
mAabb.extend(Math::float4(pos.x(),pos.y(),pos.z(),1.0f));
}
//--------------------------------------------------------------------------------
void ProjectorRenderComponent::SetProjectorTrans(const Math::matrix44& trans)
{
if (mProjector.isvalid())
{
mProjector->SetTransform(trans);
}
}
//--------------------------------------------------------------------------------
Math::scalar ProjectorRenderComponent::GetAlphaValue(Math::scalar u, Math::scalar v)
{
if (GetMaterial(0).isvalid())
{
GPtr<Resources::Resource> pRes = GetMaterial(0)->GetTextureResInfo(0)->GetRes();
n_assert(pRes.isvalid());
GPtr<Resources::ImageRes> pImageRes = pRes.downcast<Resources::ImageRes>();
Math::scalar alpha = pImageRes->GetAlphaValue(u, v);
return alpha;
}
else
{
return 0.0f;
}
}
//--------------------------------------------------------------------------------
void ProjectorRenderComponent::ActiveProjector(bool enable)
{
EnableProjectorUpdate(enable);
}
//--------------------------------------------------------------------------------
const bool ProjectorRenderComponent::IsProjectorEnabled() const
{
return mIsNeedUpdate;
}
//--------------------------------------------------------------------------------
void ProjectorRenderComponent::_BuildRenderable()
{
n_assert( mActor );
_BuildRenderObject();
// Generate and fill renderable
if ( mProjectorRenderObject.isvalid() && mPrimitive.IsValid() )
{
// Mesh
mRenderableResUnitList[0].ResetRenderable<AppRenderable>();
AppRenderable* renderable = mRenderableResUnitList[0].GetRenderableFast<AppRenderable>();
renderable->SetRenderInfo( 0, mVertexs.Size(), 0, 0);
}
if (mProjectorRenderObject.isvalid() && mTerrainPrimitive.IsValid() )
{
// Terrain
mRenderableResUnitList[1].ResetRenderable<AppRenderable>();
AppRenderable* renderable = mRenderableResUnitList[1].GetRenderableFast<AppRenderable>();
renderable->SetRenderInfo( 0, mTerrainVertexs.Size(), 0, mTerrainIndices.Size());
}
}
//--------------------------------------------------------------------------------
void ProjectorRenderComponent::_BuildRenderObject()
{
// Generate new render object
if ( !mProjectorRenderObject.isvalid() )
{
mProjectorRenderObject = ProjectorRenderObject::Create();
mProjectorRenderObject->SetOwner(this);
mProjectorRenderObject->SetTransform(Math::matrix44::identity());
}
mProjectorRenderObject->SetBoundingBox(mAabb);
mAabb.begin_extend();
}
//--------------------------------------------------------------------------------
void ProjectorRenderComponent::OnRenderSceneChanged()
{
if (mProjectorRenderObject.isvalid() && mProjectorRenderObject->Attached())
{
mProjectorRenderObject->Attach(mActor->GetRenderScene());
}
}
//--------------------------------------------------------------------------------
void ProjectorRenderComponent::_AttachRenderObject()
{
if (mProjectorRenderObject.isvalid())
{
n_assert(mActor);
Graphic::RenderScene* rs = mActor->GetRenderScene();
mProjector->SetRenderScene(rs);
mProjectorRenderObject->Attach(rs);
}
}
//--------------------------------------------------------------------------------
void ProjectorRenderComponent::_DeattachRenderObject()
{
if ( mProjectorRenderObject.isvalid() )
{
mProjector->SetRenderScene(NULL);
mProjectorRenderObject->Detach();
}
}
//--------------------------------------------------------------------------------
void ProjectorRenderComponent::_BuildMeshInfo()
{
using namespace RenderBase;
// Mesh Use
if ( mVertexs.Size() )
{
Graphic::VertexBufferData2 vbd2;
vbd2.GetVertexComponents().Append(
RenderBase::VertexComponent(RenderBase::VertexComponent::Position,0, RenderBase::VertexComponent::Float3)); // layout
vbd2.Setup(mVertexs.Size(), sizeof(Math::float3), RenderBase::BufferData::Static, PrimitiveTopology::TriangleList, true);
vbd2.SetVertices(&mVertexs[0], mVertexs.Size());
if (mPrimitive.IsValid())
{
Graphic::GraphicSystem::Instance()->ChangePrimitiveHandle(mPrimitive, &vbd2, NULL);
}
else
{
mPrimitive = Graphic::GraphicSystem::Instance()->CreatePrimitiveHandle(&vbd2, NULL);
}
}
else
{
// No points found
Graphic::GraphicSystem::Instance()->RemovePrimitive(mPrimitive);
mPrimitive = RenderBase::PrimitiveHandle();
}
// Terrain use
if ( mTerrainVertexs.Size() && mTerrainIndices.Size() )
{
Graphic::VertexBufferData2 vbd2;
vbd2.GetVertexComponents().Append(
RenderBase::VertexComponent(RenderBase::VertexComponent::Position,0, RenderBase::VertexComponent::Float3)); // layout
vbd2.Setup(mTerrainVertexs.Size(), sizeof(Math::float3), RenderBase::BufferData::Static, PrimitiveTopology::TriangleList, true);
vbd2.SetVertices(&mTerrainVertexs[0], mTerrainVertexs.Size());
Graphic::IndexBufferData2 ibd2;
ibd2.Setup(mTerrainIndices.Size(), RenderBase::BufferData::Static, RenderBase::IndexBufferData::Int16, true);
ibd2.SetIndices(&mTerrainIndices[0], mTerrainIndices.Size());
if (mTerrainPrimitive.IsValid())
{
Graphic::GraphicSystem::Instance()->ChangePrimitiveHandle(mTerrainPrimitive, &vbd2, &ibd2);
}
else
{
mTerrainPrimitive = Graphic::GraphicSystem::Instance()->CreatePrimitiveHandle(&vbd2, &ibd2);
}
}
else
{
// No terrain found
Graphic::GraphicSystem::Instance()->RemovePrimitive(mTerrainPrimitive);
mTerrainPrimitive = NULL;
}
}
//--------------------------------------------------------------------------------
const RenderBase::PrimitiveHandle& ProjectorRenderComponent::GetPrimitiveHandleByRenderable( const Graphic::Renderable* renderable ) const
{
if ( renderable == mRenderableResUnitList[0].GetRenderableFast<AppRenderable>() )
{
return mPrimitive;
}
else
{
return mTerrainPrimitive;
}
}
//--------------------------------------------------------------------------------
void ProjectorRenderComponent::EnableProjectorUpdate(bool bEnable)
{
mIsNeedUpdate = bEnable;
if (bEnable)
{
_AttachRenderObject();
}
else
{
_DeattachRenderObject();
}
}
//--------------------------------------------------------------------------------
void ProjectorRenderComponent::_OnMoveAfter()
{
if ( mActor )
{
mProjector->SetTransform( mActor->GetWorldTranslateRotation() );
}
}
//--------------------------------------------------------------------------------
void ProjectorRenderComponent::CopyFrom( const GPtr<Component>& pComponent )
{
if( !pComponent.isvalid() )
return;
if( !pComponent->GetRtti()->IsDerivedFrom( *(this->GetRtti()) ) )
return;
GPtr<ProjectorRenderComponent> pSource = pComponent.downcast<ProjectorRenderComponent>();
// copy component data
mIsNeedUpdate = pSource->mIsNeedUpdate;
SetMaterialID(0, pSource->GetMaterialID(0), false);
// copy projector data
GPtr<Graphic::Projector> pSourceProjector = pSource->GetProJector();
n_assert( pSource->mProjector.isvalid() );
mProjector->CopyParam(pSourceProjector);
}
//--------------------------------------------------------------------------------
#ifdef __GENESIS_EDITOR__ // edtior use
bool ProjectorRenderComponent::GetBrushState() const
{
return mIsBrushHelper;
}
//--------------------------------------------------------------------------------
void ProjectorRenderComponent::SetBrushState( const bool b )
{
mIsBrushHelper = b;
}
#endif
//--------------------------------------------------------------------------------
}
#endif // __PROJECTOR_COMMIT__