void * FixedAllocator::Allocate( void )
{
// prove either emptyChunk_ points nowhere, or points to a truly empty Chunk.
assert( ( NULL == emptyChunk_ ) || ( emptyChunk_->HasAvailable( numBlocks_ ) ) );
assert( CountEmptyChunks() < 2 );
if ( ( NULL == allocChunk_ ) || allocChunk_->IsFilled() )
{
if ( NULL != emptyChunk_ )
{
allocChunk_ = emptyChunk_;
emptyChunk_ = NULL;
}
else
{
for ( ChunkIter i( chunks_.begin() ); ; ++i )
{
if ( chunks_.end() == i )
{
if ( !MakeNewChunk() )
return NULL;
break;
}
if ( !i->IsFilled() )
{
allocChunk_ = &*i;
break;
}
}
}
}
else if ( allocChunk_ == emptyChunk_)
// detach emptyChunk_ from allocChunk_, because after
// calling allocChunk_->Allocate(blockSize_); the chunk
// is no longer empty.
emptyChunk_ = NULL;
assert( allocChunk_ != NULL );
assert( !allocChunk_->IsFilled() );
void * place = allocChunk_->Allocate( blockSize_ );
// prove either emptyChunk_ points nowhere, or points to a truly empty Chunk.
assert( ( NULL == emptyChunk_ ) || ( emptyChunk_->HasAvailable( numBlocks_ ) ) );
assert( CountEmptyChunks() < 2 );
#ifdef LOKI_CHECK_FOR_CORRUPTION
if ( allocChunk_->IsCorrupt( numBlocks_, blockSize_, true ) )
{
assert( false );
return NULL;
}
#endif
return place;
}
void * FixedAllocator::Allocate( void )
{
// prove either emptyChunk_ points nowhere, or points to a truly empty Chunk.
assert( ( NULL == emptyChunk_ ) || ( emptyChunk_->HasAvailable( numBlocks_ ) ) );
if ( ( NULL == allocChunk_ ) || allocChunk_->IsFilled() )
{
if ( NULL != emptyChunk_ )
{
allocChunk_ = emptyChunk_;
emptyChunk_ = NULL;
}
else
{
for ( ChunkIter i( chunks_.begin() ); ; ++i )
{
if ( chunks_.end() == i )
{
if ( !MakeNewChunk() )
return NULL;
break;
}
if ( !i->IsFilled() )
{
allocChunk_ = &*i;
break;
}
}
}
}
assert( allocChunk_ != NULL );
assert( !allocChunk_->IsFilled() );
// prove either emptyChunk_ points nowhere, or points to a truly empty Chunk.
assert( ( NULL == emptyChunk_ ) || ( emptyChunk_->HasAvailable( numBlocks_ ) ) );
return allocChunk_->Allocate(blockSize_);
}
/**
* @brief
* Writes the scene node modifiers
*/
void PLSceneNode::WriteModifiers(XmlElement &cSceneElement, const String &sApplicationDrive, const String &sApplicationDir)
{
// Is there a 3ds Max node? (no 3ds Max node, no properties)
INode *pMaxNode = GetMaxNode();
if (pMaxNode) {
// Has this 3ds Max node a target?
if (pMaxNode->GetTarget()) {
// Write down the scene node modifier
WriteTargetRotationModifier(cSceneElement, *pMaxNode->GetTarget(), false);
}
// Are there any position, rotation, scale keyframes?
bool bPositionKeyframes = false;
bool bRotationKeyframes = false;
bool bScaleKeyframes = false;
// Check 3ds Max node controllers
Control *pTMController = pMaxNode->GetTMController();
if (pTMController) {
// Position controller
Control *pController = pTMController->GetPositionController();
if (pController) {
// Are there any position keyframes?
bPositionKeyframes = PLTools::HasKeyControlInterface(*pController);
if (!bPositionKeyframes) {
// Is there a path controller?
IPathPosition *pPathController = GetIPathConstInterface(pController);
if (pPathController && pPathController->GetNumTargets() > 0) {
INode *pTarget = pPathController->GetNode(0);
if (pTarget) {
// Get path filename
const String sPathFilename = PLTools::GetResourceFilename(PLTools::ResourcePath, String(pTarget->GetName()) + ".path");
// Get the percentage along the path
float fPercentageAlongPath = 0.0f;
{
IParamBlock2 *pIParamBlock2 = pPathController->GetParamBlock(path_params);
int nRefNum = pIParamBlock2 ? pIParamBlock2->GetControllerRefNum(path_percent) : -1;
RefTargetHandle cRefTargetHandle = (nRefNum >= 0) ? pIParamBlock2->GetReference(nRefNum) : nullptr;
if (cRefTargetHandle)
fPercentageAlongPath = pIParamBlock2->GetFloat(path_percent, 0);
}
{ // Add scene node modifier
XmlElement *pModifierElement = new XmlElement("Modifier");
pModifierElement->SetAttribute("Class", "PLScene::SNMPositionPath");
pModifierElement->SetAttribute("Filename", sPathFilename);
pModifierElement->SetAttribute("Progress", String::Format("%f", fPercentageAlongPath));
// [TODO] Any change to setup speed inside 3ds Max?
static const float fSpeed = 0.03f;
// Automatic animation playback?
if (g_SEOptions.bAnimationPlayback)
pModifierElement->SetAttribute("Speed", String::Format("%f", (pPathController->GetFlip() ? -fSpeed : fSpeed)));
else
pModifierElement->SetAttribute("Speed", "0.0");
// Link modifier element
cSceneElement.LinkEndChild(*pModifierElement);
}
// Follow?
if (pPathController->GetFollow()) {
// Add scene node modifier
XmlElement *pModifierElement = new XmlElement("Modifier");
pModifierElement->SetAttribute("Class", "PLScene::SNMRotationMoveDirection");
// Link modifier element
cSceneElement.LinkEndChild(*pModifierElement);
}
}
}
}
}
// Rotation controller
pController = pTMController->GetRotationController();
if (pController) {
// Are there any rotation keyframes?
bRotationKeyframes = PLTools::HasKeyControlInterface(*pController);
if (!bRotationKeyframes) {
// Is there a look at controller?
ILookAtConstRotation *pLookAtController = GetILookAtConstInterface(pController);
if (pLookAtController && pLookAtController->GetNumTargets() > 0) {
INode *pTarget = pLookAtController->GetNode(0);
if (pTarget) {
// Check look at controller
bool bFlip = (pLookAtController->GetTargetAxisFlip() != 0);
// Write down the scene node modifier
WriteTargetRotationModifier(cSceneElement, *pTarget, bFlip);
}
}
}
}
// Scale controller
pController = pTMController->GetScaleController();
if (pController) {
// Are there any scale keyframes?
bScaleKeyframes = PLTools::HasKeyControlInterface(*pController);
}
}
// Export keyframes?
if (bPositionKeyframes || bRotationKeyframes || bScaleKeyframes) {
// Get timing
Interval cInterval = GetCOREInterface()->GetAnimRange();
int nTicksPerFrame = GetTicksPerFrame();
int nFrameCount = (cInterval.End() - cInterval.Start()) / nTicksPerFrame + 1;
// Used to detect whether or not something is animated
Point3 vFirstPos, vFirstScale;
Quat qFirstRot;
bool bUsePosition = false, bUseScale = false, bUseRotation = false;
// Prepare the position chunk
Chunk cPositionChunk;
cPositionChunk.SetSemantic(Chunk::Position);
cPositionChunk.Allocate(Chunk::Float, 3, nFrameCount);
float *pfPositionData = reinterpret_cast<float*>(cPositionChunk.GetData());
// Prepare the rotation chunk
Chunk cRotationChunk;
cRotationChunk.SetSemantic(Chunk::Rotation);
cRotationChunk.Allocate(Chunk::Float, 4, nFrameCount);
float *pfRotationData = reinterpret_cast<float*>(cRotationChunk.GetData());
// Prepare the scale chunk
Chunk cScaleChunk;
cScaleChunk.SetSemantic(Chunk::Scale);
cScaleChunk.Allocate(Chunk::Float, 3, nFrameCount);
float *pfScaleData = reinterpret_cast<float*>(cScaleChunk.GetData());
// Loop through all frames
int nTime = cInterval.Start();
for (int nFrame=0; nFrame<nFrameCount; nFrame++, nTime+=nTicksPerFrame) {
// Get the position, rotation and scale
Point3 vPos, vScale;
Quat qRot;
GetPosRotScale(vPos, qRot, vScale, nTime);
// First frame?
if (!nFrame) {
vFirstPos = vPos;
vFirstScale = vScale;
qFirstRot = qRot;
} else {
if (!vFirstPos.Equals(vPos))
bUsePosition = true;
if (!vFirstScale.Equals(vScale))
bUseScale = true;
if (!qFirstRot.Equals(qRot))
bUseRotation = true;
}
// Position
if (bPositionKeyframes && pfPositionData) {
// Currently ONLY the center of the container the node is in use used to make it relative
const Point3 vParentWorldSpaceCenter = GetContainer() ? GetContainer()->GetWorldSpaceCenter() : Point3(0.0f, 0.0f, 0.0f);
// Get the position
const Point3 vFinalPos = (GetType() != TypeScene && GetType() != TypeCell) ? vPos-vParentWorldSpaceCenter : static_cast<const PLSceneContainer*>(this)->GetWorldSpaceCenter();
// x
*pfPositionData = vFinalPos.x;
pfPositionData++;
// y
*pfPositionData = vFinalPos.y;
pfPositionData++;
// z
*pfPositionData = vFinalPos.z;
pfPositionData++;
}
// Rotation
if (bRotationKeyframes && pfRotationData) {
// [TODO] Check this (why do we need it?)
qRot.Invert();
// w
*pfRotationData = qRot.w;
pfRotationData++;
// x
*pfRotationData = qRot.x;
pfRotationData++;
// y
*pfRotationData = qRot.y;
pfRotationData++;
// z
*pfRotationData = qRot.z;
pfRotationData++;
}
// Scale
if (bScaleKeyframes && pfScaleData) {
// x
*pfScaleData = vScale.x;
pfScaleData++;
// y
*pfScaleData = vScale.y;
pfScaleData++;
// z
*pfScaleData = vScale.z;
pfScaleData++;
}
}
// Create keyframe animation scene node modifiers
if (bPositionKeyframes && bUsePosition) {
// [TODO] Better (and safer) filename
// Save chunk
const String sPositionKeys = PLTools::GetResourceFilename(PLTools::ResourceKeyframes, String::Format("%s_PositionKeyframes.chunk", GetName().GetASCII()).GetASCII());
if (SaveChunk(cPositionChunk, sApplicationDrive + sApplicationDir + sPositionKeys)) {
// Add the modifier
XmlElement *pModifierElement = new XmlElement("Modifier");
// Set class attribute
pModifierElement->SetAttribute("Class", "PLScene::SNMPositionKeyframeAnimation");
// [TODO] Currently the frame rate is by default always 24
// Set frames per second attribute
// pModifierElement->SetAttribute("FramesPerSecond", GetFrameRate());
// Automatic animation playback?
pModifierElement->SetAttribute("Speed", g_SEOptions.bAnimationPlayback ? "1.0" : "0.0");
// Set keys attribute
pModifierElement->SetAttribute("Keys", sPositionKeys);
// Link modifier elements
cSceneElement.LinkEndChild(*pModifierElement);
}
}
if (bRotationKeyframes && bUseRotation) {
// [TODO] Better (and safer) filename
// Save chunk
const String sRotationKeys = PLTools::GetResourceFilename(PLTools::ResourceKeyframes, String::Format("%s_RotationKeyframes.chunk", GetName().GetASCII()).GetASCII());
if (SaveChunk(cRotationChunk, sApplicationDrive + sApplicationDir + sRotationKeys)) {
// Add the modifier
XmlElement *pModifierElement = new XmlElement("Modifier");
// Set class attribute
pModifierElement->SetAttribute("Class", "PLScene::SNMRotationKeyframeAnimation");
// [TODO] Currently the frame rate is by default always 24
// Set frames per second attribute
// pModifierElement->SetAttribute("FramesPerSecond", GetFrameRate());
// Automatic animation playback?
pModifierElement->SetAttribute("Speed", g_SEOptions.bAnimationPlayback ? "1.0" : "0.0");
// Set keys attribute
pModifierElement->SetAttribute("Keys", sRotationKeys);
// Link modifier elements
cSceneElement.LinkEndChild(*pModifierElement);
}
}
if (bScaleKeyframes && bUseScale) {
// [TODO] Better (and safer) filename
// Save chunk
const String sScaleKeys = PLTools::GetResourceFilename(PLTools::ResourceKeyframes, String::Format("%s_ScaleKeyframes.chunk", GetName().GetASCII()).GetASCII());
if (SaveChunk(cScaleChunk, sApplicationDrive + sApplicationDir + sScaleKeys)) {
// Add the modifier
XmlElement *pModifierElement = new XmlElement("Modifier");
// Set class attribute
pModifierElement->SetAttribute("Class", "PLScene::SNMScaleKeyframeAnimation");
// [TODO] Currently the frame rate is by default always 24
// Set frames per second attribute
// pModifierElement->SetAttribute("FramesPerSecond", GetFrameRate());
// Automatic animation playback?
pModifierElement->SetAttribute("Speed", g_SEOptions.bAnimationPlayback ? "1.0" : "0.0");
// Set keys attribute
pModifierElement->SetAttribute("Keys", sScaleKeys);
// Link modifier elements
cSceneElement.LinkEndChild(*pModifierElement);
}
}
}
// Use modifiers?
if (g_SEOptions.bUserPropModifiers) {
// Check for modifiers
MSTR sModifier;
int nIndex = 1;
TSTR s3dsMaxString;
sModifier = _T("Mod");
while (pMaxNode->GetUserPropString(sModifier, s3dsMaxString)) {
// Add scene node modifier
XmlElement *pModifierElement = new XmlElement("Modifier");
// We really NEED a 'Class' attribute!
bool bClassFound = false;
// Get all expressions
static RegEx cExpressionRegEx("\\s*((\\w*\\s*=\\s*\"[^\"]*\")|(\\w*\\s*=\\s*[\\w|]*))");
const String sString = s3dsMaxString;
uint32 nExpressionParsePos = 0;
while (cExpressionRegEx.Match(sString, nExpressionParsePos)) {
// Get expression
nExpressionParsePos = cExpressionRegEx.GetPosition();
const String sExpression = cExpressionRegEx.GetResult(0);
// Process the found expression
static RegEx cRegEx("\\s*(\\w*)\\s*=\\s*\"?\\s*([^\"]*)\\s*\"?");
if (cRegEx.Match(sExpression)) {
// Get name and value
const String sName = cRegEx.GetResult(0);
const String sValue = cRegEx.GetResult(1);
// Set attribute
pModifierElement->SetAttribute(sName, sValue);
// Class variable already found?
if (!bClassFound && sName == "Class")
bClassFound = true;
}
}
// Link modifier element?
if (bClassFound)
cSceneElement.LinkEndChild(*pModifierElement);
else
delete pModifierElement;
// Get next modifier
sModifier.printf(_T("Mod%d"), nIndex);
nIndex++;
}
}
}
}