// Utility function to allow the user to modify the layout of vertex buffers.
void reorganiseVertexBuffers(const String& desc, Mesh& mesh, VertexData* vertexData)
{
cout << endl << desc << ":- " << endl;
// Copy elements into a list
VertexDeclaration::VertexElementList elemList;
copyElems(vertexData->vertexDeclaration, &elemList);
bool finish = false;
bool anyChanges = false;
while (!finish)
{
displayVertexBuffers(elemList);
cout << endl;
cout << "Options: (a)utomatic" << endl;
cout << " (m)ove element" << endl;
cout << " (d)elete element" << endl;
cout << " (r)eset" << endl;
cout << " (f)inish" << endl;
String response = "";
while (response.empty())
{
cin >> response;
StringUtil::toLowerCase(response);
if (response == "m")
{
String moveResp;
cout << "Which element do you want to move (type number): ";
cin >> moveResp;
if (!moveResp.empty())
{
int eindex = StringConverter::parseInt(moveResp);
VertexDeclaration::VertexElementList::iterator movei = elemList.begin();
std::advance(movei, eindex);
cout << endl << "Move element " << eindex << "(" + describeSemantic(movei->getSemantic()) << ") to which buffer: ";
cin >> moveResp;
if (!moveResp.empty())
{
int bindex = StringConverter::parseInt(moveResp);
// Move (note offset will be wrong)
*movei = VertexElement(bindex, 0, movei->getType(),
movei->getSemantic(), movei->getIndex());
elemList.sort(vertexElementLess);
anyChanges = true;
}
}
}
else if (response == "a")
//------------------------------------------------------------------------
void TerrainBatch::createGpuVertexData()
{
if ( !mGpuVertexData )
{
DefaultTerrainTilesGpuBufferAllocator& gpuBufferAllocator
= mSurfaceManager->getDefaultTerrainTilesGpuBufferAllocator();
mOneVertexSize = mTileRender->getOneVertexSize();
Ogre::VertexData* tileVertexData = mTileRender->getCpuVertexData();
/////////////////////////////////////////////////////////////////////////////
mGpuVertexData = OGRE_NEW VertexData();
// copy vertex buffers
// get new buffers
HardwareVertexBufferSharedPtr destPosBuf;
gpuBufferAllocator.allocateVertexBuffers(mOneVertexSize, mVertexTotalNum, destPosBuf);
// set bindings
mGpuVertexData->vertexBufferBinding->setBinding( TerrainTileRender::POSITION_BUFFER, destPosBuf);
// Basic vertex info
mGpuVertexData->vertexStart = 0;
mGpuVertexData->vertexCount = mVertexTotalNum;
// Copy elements
const VertexDeclaration::VertexElementList elems =
tileVertexData->vertexDeclaration->getElements();
VertexDeclaration::VertexElementList::const_iterator ei, eiend;
eiend = elems.end();
for (ei = elems.begin(); ei != eiend; ++ei)
{
mGpuVertexData->vertexDeclaration->addElement(
ei->getSource(),
ei->getOffset(),
ei->getType(),
ei->getSemantic(),
ei->getIndex() );
}
}
}
void displayVertexBuffers(VertexDeclaration::VertexElementList& elemList)
{
// Iterate per buffer
unsigned short currentBuffer = 999;
unsigned short elemNum = 0;
VertexDeclaration::VertexElementList::iterator i, iend;
iend = elemList.end();
for (i = elemList.begin(); i != iend; ++i) {
if (i->getSource() != currentBuffer) {
currentBuffer = i->getSource();
cout << "> Buffer " << currentBuffer << ":" << endl;
}
cout << " - Element " << elemNum++ << ": " << describeSemantic(i->getSemantic());
if (i->getSemantic() == VES_TEXTURE_COORDINATES) {
cout << " (index " << i->getIndex() << ")";
}
cout << endl;
}
}
//-----------------------------------------------------------------------
void InstanceBatchShader::setupHardwareSkinned( const SubMesh* baseSubMesh, VertexData *thisVertexData,
VertexData *baseVertexData )
{
const size_t numBones = baseSubMesh->blendIndexToBoneIndexMap.size();
mNumWorldMatrices = mInstancesPerBatch * numBones;
for( size_t i=0; i<=thisVertexData->vertexDeclaration->getMaxSource(); ++i )
{
//Create our own vertex buffer
HardwareVertexBufferSharedPtr vertexBuffer =
HardwareBufferManager::getSingleton().createVertexBuffer(
thisVertexData->vertexDeclaration->getVertexSize(i),
thisVertexData->vertexCount,
HardwareBuffer::HBU_STATIC_WRITE_ONLY );
thisVertexData->vertexBufferBinding->setBinding( i, vertexBuffer );
VertexDeclaration::VertexElementList veList =
thisVertexData->vertexDeclaration->findElementsBySource(i);
//Grab the base submesh data
HardwareVertexBufferSharedPtr baseVertexBuffer =
baseVertexData->vertexBufferBinding->getBuffer(i);
char* thisBuf = static_cast<char*>(vertexBuffer->lock(HardwareBuffer::HBL_DISCARD));
char* baseBuf = static_cast<char*>(baseVertexBuffer->lock(HardwareBuffer::HBL_READ_ONLY));
char *startBuf = baseBuf;
//Copy and repeat
for( size_t j=0; j<mInstancesPerBatch; ++j )
{
//Repeat source
baseBuf = startBuf;
for( size_t k=0; k<baseVertexData->vertexCount; ++k )
{
VertexDeclaration::VertexElementList::const_iterator it = veList.begin();
VertexDeclaration::VertexElementList::const_iterator en = veList.end();
while( it != en )
{
switch( it->getSemantic() )
{
case VES_BLEND_INDICES:
*(thisBuf + it->getOffset() + 0) = *(baseBuf + it->getOffset() + 0) + j * numBones;
*(thisBuf + it->getOffset() + 1) = *(baseBuf + it->getOffset() + 1) + j * numBones;
*(thisBuf + it->getOffset() + 2) = *(baseBuf + it->getOffset() + 2) + j * numBones;
*(thisBuf + it->getOffset() + 3) = *(baseBuf + it->getOffset() + 3) + j * numBones;
break;
default:
memcpy( thisBuf + it->getOffset(), baseBuf + it->getOffset(), it->getSize() );
break;
}
++it;
}
thisBuf += baseVertexData->vertexDeclaration->getVertexSize(i);
baseBuf += baseVertexData->vertexDeclaration->getVertexSize(i);
}
}
baseVertexBuffer->unlock();
vertexBuffer->unlock();
}
}
void ModelConverter::WriteSubMesh( DiSubMesh* subMod, const Ogre::SubMesh* s )
{
switch(s->operationType)
{
case RenderOperation::OT_LINE_LIST:
subMod->SetPrimitiveType(D3DPT_LINELIST);
break;
case RenderOperation::OT_LINE_STRIP:
subMod->SetPrimitiveType(D3DPT_LINESTRIP);
break;
case RenderOperation::OT_POINT_LIST:
subMod->SetPrimitiveType(D3DPT_POINTLIST);
break;
case RenderOperation::OT_TRIANGLE_FAN:
subMod->SetPrimitiveType(D3DPT_TRIANGLEFAN);
break;
case RenderOperation::OT_TRIANGLE_LIST:
subMod->SetPrimitiveType(PT_TRIANGLELIST);
break;
case RenderOperation::OT_TRIANGLE_STRIP:
subMod->SetPrimitiveType(D3DPT_TRIANGLESTRIP);
break;
}
VertexData* vertexData = nullptr;
if (mMesh->sharedVertexData)
{
vertexData = mMesh->sharedVertexData;
}
else
{
vertexData = s->vertexData;
}
int numFaces = 0;
switch(s->operationType)
{
case RenderOperation::OT_TRIANGLE_LIST:
// triangle list
numFaces = s->indexData->indexCount / 3;
break;
case RenderOperation::OT_LINE_LIST:
numFaces = s->indexData->indexCount / 2;
break;
case RenderOperation::OT_TRIANGLE_FAN:
case RenderOperation::OT_TRIANGLE_STRIP:
// triangle fan or triangle strip
numFaces = s->indexData->indexCount - 2;
break;
default:
OGRE_EXCEPT(Exception::ERR_INVALIDPARAMS,
"Unsupported render operation type",
__FUNCTION__);
}
subMod->SetPrimitiveCount(numFaces);
subMod->SetVerticeNum(vertexData->vertexCount);
// material name
DiString matName;
matName.Format("%s_%d.mtl",subMod->GetParentMesh()->GetName().c_str(),subMod->GetIndex());
subMod->SetMaterialName(matName);
bool use32BitIndexes = (!s->indexData->indexBuffer.isNull() &&
s->indexData->indexBuffer->getType() == HardwareIndexBuffer::IT_32BIT);
// Write each face in turn
unsigned int* pInt = 0;
unsigned short* pShort = 0;
HardwareIndexBufferSharedPtr ibuf = s->indexData->indexBuffer;
// index data
if (use32BitIndexes)
{
pInt = static_cast<unsigned int*>(
ibuf->lock(HardwareBuffer::HBL_READ_ONLY));
}
else
{
pShort = static_cast<unsigned short*>(
ibuf->lock(HardwareBuffer::HBL_READ_ONLY));
}
void* indata = subMod->CreateIndexData(s->indexData->indexCount,use32BitIndexes?TRUE:FALSE);
if (use32BitIndexes)
{
memcpy(indata,pInt,sizeof(unsigned int)*s->indexData->indexCount);
}
else
{
memcpy(indata,pShort,sizeof(unsigned short)*s->indexData->indexCount);
}
ibuf->unlock();
// vertex declaration
VertexDeclaration* decl = vertexData->vertexDeclaration;
VertexBufferBinding* bind = vertexData->vertexBufferBinding;
VertexBufferBinding::VertexBufferBindingMap::const_iterator b, bend;
bend = bind->getBindings().end();
// iterate over buffers
int bindCount = 0;
for(b = bind->getBindings().begin(); b != bend; ++b,++bindCount)
{
const HardwareVertexBufferSharedPtr vbuf = b->second;
unsigned short bufferIdx = b->first;
// get all the elements that relate to this buffer
VertexDeclaration::VertexElementList elems = decl->findElementsBySource(bufferIdx);
VertexDeclaration::VertexElementList::iterator i, iend;
iend = elems.end();
unsigned short nuDemiureCoords = 0;
for (i = elems.begin(); i != iend; ++i)
{
VertexElement& elem = *i;
D3DDECLTYPE type = ConverteVertType(elem.getType());
D3DDECLUSAGE usage;
bool texcoord = false;
switch(elem.getSemantic())
{
case VES_POSITION:
usage = D3DDECLUSAGE_POSITION;
break;
case VES_NORMAL:
usage = D3DDECLUSAGE_NORMAL;
break;
case VES_TANGENT:
usage = D3DDECLUSAGE_TANGENT;
break;
case VES_BINORMAL:
usage = D3DDECLUSAGE_BINORMAL;
break;
case VES_DIFFUSE:
case VES_SPECULAR:
usage = D3DDECLUSAGE_COLOR;
break;
case VES_TEXTURE_COORDINATES:
usage = D3DDECLUSAGE_TEXCOORD;
++nuDemiureCoords;
texcoord = true;
break;
default:
DI_ERROR("Unsupported semantic");
}
subMod->GetVertexElements().AddElement(bindCount,type,usage,texcoord?nuDemiureCoords-1:0);
}
int stride = subMod->GetVertexElements().GetStreamElementsSize(bindCount);
void* vertData = subMod->CreateSourceData(bindCount,vertexData->vertexCount,stride);
unsigned char* pVert = static_cast<unsigned char*>(
vbuf->lock(HardwareBuffer::HBL_READ_ONLY));
memcpy(vertData,pVert,vertexData->vertexCount*stride);
vbuf->unlock();
}
// vertex weight
if (mMesh->hasSkeleton())
{
LogManager::getSingleton().logMessage("Exporting dedicated geometry bone assignments...");
if(const_cast<SubMesh*>(s)->getBoneAssignments().empty())
{
SubMesh::BoneAssignmentIterator bi = mMesh->getBoneAssignmentIterator();
while (bi.hasMoreElements())
{
const VertexBoneAssignment& assign = bi.getNext();
if (assign.weight > 0.0f)
{
subMod->AddWeight(assign.vertexIndex,assign.boneIndex,assign.weight);
}
}
}
else
{
SubMesh::BoneAssignmentIterator bi = (const_cast<SubMesh*>(s))->getBoneAssignmentIterator();
while (bi.hasMoreElements())
{
const VertexBoneAssignment& assign = bi.getNext();
if (assign.weight > 0.0f)
{
subMod->AddWeight(assign.vertexIndex,assign.boneIndex,assign.weight);
}
}
}
subMod->RationaliseBoneWeights();
}
}
