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// Geometric Tools, LLC
// Copyright (c) 1998-2014
// Distributed under the Boost Software License, Version 1.0.
// http://www.boost.org/LICENSE_1_0.txt
// http://www.geometrictools.com/License/Boost/LICENSE_1_0.txt
//
// File Version: 5.0.0 (2010/01/01)
#include "Wm5GraphicsPCH.h"
#include "Wm5ProjectorMatrixConstant.h"
#include "Wm5Camera.h"
#include "Wm5Visual.h"
using namespace Wm5;
WM5_IMPLEMENT_RTTI(Wm5, ShaderFloat, ProjectorMatrixConstant);
WM5_IMPLEMENT_STREAM(ProjectorMatrixConstant);
WM5_IMPLEMENT_FACTORY(ProjectorMatrixConstant);
//----------------------------------------------------------------------------
ProjectorMatrixConstant::ProjectorMatrixConstant (Projector* projector,
bool biased, int bsMatrix)
:
ShaderFloat(4),
mProjector(projector),
mBiased(biased),
mBSMatrix(bsMatrix)
{
mAllowUpdater = true;
}
//----------------------------------------------------------------------------
ProjectorMatrixConstant::~ProjectorMatrixConstant ()
{
}
//----------------------------------------------------------------------------
Projector* ProjectorMatrixConstant::GetProjector ()
{
return mProjector;
}
//----------------------------------------------------------------------------
void ProjectorMatrixConstant::Update (const Visual* visual, const Camera*)
{
const HMatrix& PVMatrix = mProjector->GetProjectionViewMatrix();
const HMatrix& WMatrix = visual->WorldTransform.Matrix();
HMatrix PVWMatrix = PVMatrix*WMatrix;
if (mBiased)
{
PVWMatrix = Projector::BiasScaleMatrix[mBSMatrix]*PVWMatrix;
}
const float* source = (const float*)PVWMatrix;
float* target = mData;
for (int i = 0; i < 16; ++i)
{
*target++ = *source++;
}
}
//----------------------------------------------------------------------------
//----------------------------------------------------------------------------
// Name support.
//----------------------------------------------------------------------------
Object* ProjectorMatrixConstant::GetObjectByName (const std::string& name)
{
Object* found = ShaderFloat::GetObjectByName(name);
if (found)
{
return found;
}
WM5_GET_OBJECT_BY_NAME(mProjector, name, found);
return 0;
}
//----------------------------------------------------------------------------
void ProjectorMatrixConstant::GetAllObjectsByName (const std::string& name,
std::vector<Object*>& objects)
{
ShaderFloat::GetAllObjectsByName(name, objects);
WM5_GET_ALL_OBJECTS_BY_NAME(mProjector, name, objects);
}
//----------------------------------------------------------------------------
//----------------------------------------------------------------------------
// Streaming support.
//----------------------------------------------------------------------------
ProjectorMatrixConstant::ProjectorMatrixConstant (LoadConstructor value)
:
ShaderFloat(value)
{
}
//----------------------------------------------------------------------------
void ProjectorMatrixConstant::Load (InStream& source)
{
WM5_BEGIN_DEBUG_STREAM_LOAD(source);
ShaderFloat::Load(source);
source.ReadPointer(mProjector);
source.ReadBool(mBiased);
source.Read(mBSMatrix);
WM5_END_DEBUG_STREAM_LOAD(ProjectorMatrixConstant, source);
}
//----------------------------------------------------------------------------
void ProjectorMatrixConstant::Link (InStream& source)
{
ShaderFloat::Link(source);
source.ResolveLink(mProjector);
}
//----------------------------------------------------------------------------
void ProjectorMatrixConstant::PostLink ()
{
ShaderFloat::PostLink();
}
//----------------------------------------------------------------------------
bool ProjectorMatrixConstant::Register (OutStream& target) const
{
if (ShaderFloat::Register(target))
{
target.Register(mProjector);
return true;
}
return false;
}
//----------------------------------------------------------------------------
void ProjectorMatrixConstant::Save (OutStream& target) const
{
WM5_BEGIN_DEBUG_STREAM_SAVE(target);
ShaderFloat::Save(target);
target.WritePointer(mProjector);
target.WriteBool(mBiased);
target.Write(mBSMatrix);
WM5_END_DEBUG_STREAM_SAVE(ProjectorMatrixConstant, target);
}
//----------------------------------------------------------------------------
int ProjectorMatrixConstant::GetStreamingSize () const
{
int size = ShaderFloat::GetStreamingSize();
size += WM5_POINTERSIZE(mProjector);
size += WM5_BOOLSIZE(mBiased);
size += sizeof(mBSMatrix);
return size;
}
//----------------------------------------------------------------------------
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