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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 "SMUnlitEffect.h"
#include "Wm5PVWMatrixConstant.h"
#include "Wm5WMatrixConstant.h"
using namespace Wm5;
WM5_IMPLEMENT_RTTI(Wm5, GlobalEffect, SMUnlitEffect);
WM5_IMPLEMENT_STREAM(SMUnlitEffect);
WM5_IMPLEMENT_FACTORY(SMUnlitEffect);
//----------------------------------------------------------------------------
SMUnlitEffect::SMUnlitEffect (const std::string& effectName,
ProjectorMatrixConstant* lightPVMatrix, ShaderFloat* lightBSMatrix,
ShaderFloat* depthBias, ShaderFloat* texelSize, Texture2D* shadowTexture)
{
VisualEffect* effect = VisualEffect::LoadWMFX(effectName);
// TODO: Once WmfxCompiler parses the Cg FX files, we will not need to
// set the sampler state.
PixelShader* pshader = effect->GetPixelShader(0, 0);
// ShadowSampler
pshader->SetFilter(0, Shader::SF_LINEAR);
pshader->SetCoordinate(0, 0, Shader::SC_CLAMP_EDGE);
pshader->SetCoordinate(0, 1, Shader::SC_CLAMP_EDGE);
mInstance = new0 VisualEffectInstance(effect, 0);
mInstance->SetVertexConstant(0, 0, new0 PVWMatrixConstant());
mInstance->SetVertexConstant(0, 1, new0 WMatrixConstant());
mInstance->SetVertexConstant(0, 2, lightPVMatrix);
mInstance->SetVertexConstant(0, 3, lightBSMatrix);
mInstance->SetPixelConstant(0, 0, depthBias);
mInstance->SetPixelConstant(0, 1, texelSize);
mInstance->SetPixelTexture(0, 0, shadowTexture);
}
//----------------------------------------------------------------------------
SMUnlitEffect::~SMUnlitEffect ()
{
}
//----------------------------------------------------------------------------
void SMUnlitEffect::Draw (Renderer* renderer, const VisibleSet& visibleSet)
{
const int numVisible = visibleSet.GetNumVisible();
for (int j = 0; j < numVisible; ++j)
{
// Replace the object's effect instance by the unlit-effect instance.
Visual* visual = (Visual*)visibleSet.GetVisible(j);
VisualEffectInstancePtr save = visual->GetEffectInstance();
visual->SetEffectInstance(mInstance);
// Draw the object using the unlit effect.
renderer->Draw(visual);
// Restore the object's effect instance.
visual->SetEffectInstance(save);
}
}
//----------------------------------------------------------------------------
//----------------------------------------------------------------------------
// Name support.
//----------------------------------------------------------------------------
Object* SMUnlitEffect::GetObjectByName (const std::string& name)
{
Object* found = GlobalEffect::GetObjectByName(name);
if (found)
{
return found;
}
WM5_GET_OBJECT_BY_NAME(mInstance, name, found);
return 0;
}
//----------------------------------------------------------------------------
void SMUnlitEffect::GetAllObjectsByName (const std::string& name,
std::vector<Object*>& objects)
{
GlobalEffect::GetAllObjectsByName(name, objects);
WM5_GET_ALL_OBJECTS_BY_NAME(mInstance, name, objects);
}
//----------------------------------------------------------------------------
//----------------------------------------------------------------------------
// Streaming support.
//----------------------------------------------------------------------------
SMUnlitEffect::SMUnlitEffect (LoadConstructor value)
:
GlobalEffect(value)
{
}
//----------------------------------------------------------------------------
void SMUnlitEffect::Load (InStream& source)
{
WM5_BEGIN_DEBUG_STREAM_LOAD(source);
GlobalEffect::Load(source);
source.ReadPointer(mInstance);
WM5_END_DEBUG_STREAM_LOAD(SMUnlitEffect, source);
}
//----------------------------------------------------------------------------
void SMUnlitEffect::Link (InStream& source)
{
GlobalEffect::Link(source);
source.ResolveLink(mInstance);
}
//----------------------------------------------------------------------------
void SMUnlitEffect::PostLink ()
{
GlobalEffect::PostLink();
}
//----------------------------------------------------------------------------
bool SMUnlitEffect::Register (OutStream& target) const
{
if (GlobalEffect::Register(target))
{
target.Register(mInstance);
return true;
}
return false;
}
//----------------------------------------------------------------------------
void SMUnlitEffect::Save (OutStream& target) const
{
WM5_BEGIN_DEBUG_STREAM_SAVE(target);
GlobalEffect::Save(target);
target.WritePointer(mInstance);
WM5_END_DEBUG_STREAM_SAVE(SMUnlitEffect, target);
}
//----------------------------------------------------------------------------
int SMUnlitEffect::GetStreamingSize () const
{
int size = GlobalEffect::GetStreamingSize();
size += WM5_POINTERSIZE(mInstance);
return size;
}
//----------------------------------------------------------------------------
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