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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 "Wm5PointController.h"
#include "Wm5Polypoint.h"
#include "Wm5Renderer.h"
#include "Wm5VertexBufferAccessor.h"
using namespace Wm5;
WM5_IMPLEMENT_RTTI(Wm5, Controller, PointController);
WM5_IMPLEMENT_STREAM(PointController);
WM5_IMPLEMENT_ABSTRACT_FACTORY(PointController);
WM5_IMPLEMENT_DEFAULT_NAMES(Controller, PointController);
//----------------------------------------------------------------------------
PointController::PointController ()
:
SystemLinearSpeed(0.0f),
SystemAngularSpeed(0.0f),
SystemLinearAxis(AVector::UNIT_Z),
SystemAngularAxis(AVector::UNIT_Z),
mNumPoints(0),
mPointLinearSpeed(0),
mPointAngularSpeed(0),
mPointLinearAxis(0),
mPointAngularAxis(0)
{
}
//----------------------------------------------------------------------------
PointController::~PointController ()
{
delete1(mPointLinearSpeed);
delete1(mPointAngularSpeed);
delete1(mPointLinearAxis);
delete1(mPointAngularAxis);
}
//----------------------------------------------------------------------------
bool PointController::Update (double applicationTime)
{
if (!Controller::Update(applicationTime))
{
return false;
}
float ctrlTime = (float)GetControlTime(applicationTime);
UpdateSystemMotion(ctrlTime);
UpdatePointMotion(ctrlTime);
return true;
}
//----------------------------------------------------------------------------
void PointController::Reallocate (int numPoints)
{
delete1(mPointLinearSpeed);
delete1(mPointAngularSpeed);
delete1(mPointLinearAxis);
delete1(mPointAngularAxis);
mNumPoints = numPoints;
if (mNumPoints > 0)
{
mPointLinearSpeed = new1<float>(mNumPoints);
mPointAngularSpeed = new1<float>(mNumPoints);
mPointLinearAxis = new1<AVector>(mNumPoints);
mPointAngularAxis = new1<AVector>(mNumPoints);
for (int i = 0; i < mNumPoints; ++i)
{
mPointLinearSpeed[i] = 0.0f;
mPointAngularSpeed[i] = 0.0f;
mPointLinearAxis[i] = AVector::UNIT_Z;
mPointAngularAxis[i] = AVector::UNIT_Z;
}
}
}
//----------------------------------------------------------------------------
void PointController::SetObject (ControlledObject* object)
{
Controller::SetObject(object);
if (object)
{
assertion(object->IsDerived(Polypoint::TYPE), "Invalid class\n");
Polypoint* points = StaticCast<Polypoint>(object);
Reallocate(points->GetVertexBuffer()->GetNumElements());
}
else
{
Reallocate(0);
}
}
//----------------------------------------------------------------------------
void PointController::UpdateSystemMotion (float ctrlTime)
{
Polypoint* points = StaticCast<Polypoint>(mObject);
float distance = ctrlTime*SystemLinearSpeed;
AVector deltaTrn = distance*SystemLinearAxis;
points->LocalTransform.SetTranslate(
points->LocalTransform.GetTranslate() + deltaTrn);
float angle = ctrlTime*SystemAngularSpeed;
HMatrix deltaRot(SystemAngularAxis, angle);
points->LocalTransform.SetRotate(
deltaRot*points->LocalTransform.GetRotate());
}
//----------------------------------------------------------------------------
void PointController::UpdatePointMotion (float ctrlTime)
{
Polypoint* points = StaticCast<Polypoint>(mObject);
VertexBufferAccessor vba(points);
const int numPoints = points->GetNumPoints();
int i;
for (i = 0; i < numPoints; ++i)
{
float distance = ctrlTime*mPointLinearSpeed[i];
APoint position = vba.Position<Float3>(i);
AVector deltaTrn = distance*mPointLinearAxis[i];
vba.Position<Float3>(i) = position + deltaTrn;
}
if (vba.HasNormal())
{
for (i = 0; i < numPoints; ++i)
{
float angle = ctrlTime*mPointAngularSpeed[i];
AVector normal = vba.Normal<Float3>(i);
normal.Normalize();
HMatrix deltaRot(mPointAngularAxis[i], angle);
vba.Normal<Float3>(i) = deltaRot*normal;
}
}
Renderer::UpdateAll(points->GetVertexBuffer());
}
//----------------------------------------------------------------------------
//----------------------------------------------------------------------------
// Streaming support.
//----------------------------------------------------------------------------
PointController::PointController (LoadConstructor value)
:
Controller(value),
SystemLinearSpeed(0.0f),
SystemAngularSpeed(0.0f),
SystemLinearAxis(AVector::ZERO),
SystemAngularAxis(AVector::ZERO),
mNumPoints(0),
mPointLinearSpeed(0),
mPointAngularSpeed(0),
mPointLinearAxis(0),
mPointAngularAxis(0)
{
}
//----------------------------------------------------------------------------
void PointController::Load (InStream& source)
{
WM5_BEGIN_DEBUG_STREAM_LOAD(source);
Controller::Load(source);
source.Read(SystemLinearSpeed);
source.Read(SystemAngularSpeed);
source.Read(SystemLinearAxis);
source.Read(SystemAngularAxis);
source.ReadRR(mNumPoints, mPointLinearSpeed);
source.ReadVR(mNumPoints, mPointAngularSpeed);
source.ReadAggregateVR(mNumPoints, mPointLinearAxis);
source.ReadAggregateVR(mNumPoints, mPointAngularAxis);
WM5_END_DEBUG_STREAM_LOAD(PointController, source);
}
//----------------------------------------------------------------------------
void PointController::Link (InStream& source)
{
Controller::Link(source);
}
//----------------------------------------------------------------------------
void PointController::PostLink ()
{
Controller::PostLink();
}
//----------------------------------------------------------------------------
bool PointController::Register (OutStream& target) const
{
return Controller::Register(target);
}
//----------------------------------------------------------------------------
void PointController::Save (OutStream& target) const
{
WM5_BEGIN_DEBUG_STREAM_SAVE(target);
Controller::Save(target);
target.Write(SystemLinearSpeed);
target.Write(SystemAngularSpeed);
target.Write(SystemLinearAxis);
target.Write(SystemAngularAxis);
target.WriteW(mNumPoints, mPointLinearSpeed);
target.WriteN(mNumPoints, mPointAngularSpeed);
target.WriteAggregateN(mNumPoints, mPointLinearAxis);
target.WriteAggregateN(mNumPoints, mPointAngularAxis);
WM5_END_DEBUG_STREAM_SAVE(PointController, target);
}
//----------------------------------------------------------------------------
int PointController::GetStreamingSize () const
{
int size = Controller::GetStreamingSize();
size += sizeof(SystemLinearSpeed);
size += sizeof(SystemAngularSpeed);
size += sizeof(SystemLinearAxis);
size += sizeof(SystemAngularAxis);
size += sizeof(mNumPoints);
size += mNumPoints*sizeof(mPointLinearSpeed[0]);
size += mNumPoints*sizeof(mPointAngularSpeed[0]);
size += mNumPoints*sizeof(mPointLinearAxis[0]);
size += mNumPoints*sizeof(mPointAngularAxis[0]);
return size;
}
//----------------------------------------------------------------------------
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