//----------------------------------------------------------------------------
void Node::MergeMeshes(MergeArray* pMergeArray)
{
WIRE_ASSERT(pMergeArray->GetQuantity() > 0);
if (pMergeArray->GetQuantity() == 1)
{
return;
}
TPODArray<Transformation*> transformations(pMergeArray->GetQuantity());
TPODArray<UInt64> keys(pMergeArray->GetQuantity());
for (UInt i = 0; i < pMergeArray->GetQuantity(); i++)
{
UInt64 key = 0;
enum
{
STATESET = 32,
MATERIAL = 32,
};
WIRE_ASSERT((STATESET + MATERIAL) <= sizeof(key) * 8);
RenderObject* pRenderObject = (*pMergeArray)[i];
Material* pMaterial = pRenderObject->GetMaterial();
if (pMaterial)
{
key |= pMaterial->ID;
}
// If StateSetID is MAX_UINT, it wasn't initialized (call UpdateRS()
// once or initialize manually)
key |= static_cast<UInt64>(pRenderObject->GetStateSetID()) << (MATERIAL);
keys.Append(key);
}
Object** pObjects = reinterpret_cast<Object**>(pMergeArray->GetArray());
VisibleSet::QuickSort(keys, pObjects, transformations.GetArray(), 0,
pMergeArray->GetQuantity()-1);
UInt vtxCount = 0;
UInt idxCount = 0;
Mesh* pMesh = NULL;
for (UInt i = 0; i < pMergeArray->GetQuantity(); i++)
{
pMesh = (*pMergeArray)[i]->GetMesh();
vtxCount += pMesh->GetVertexCount();
idxCount += pMesh->GetIndexCount();
}
const UInt vbCount = pMesh->GetVertexBuffers().GetQuantity();
Mesh::VertexBuffers vbs(vbCount);
TArray<Float*> rawDst(vbCount);
for (UInt j = 0; j < vbCount; j++)
{
VertexBuffer* pVB = WIRE_NEW VertexBuffer(pMesh->
GetVertexBuffer(j)->GetAttributes(), vtxCount);
vbs.Append(pVB);
rawDst.Append(pVB->GetData());
}
IndexBuffer* pIB = WIRE_NEW IndexBuffer(idxCount);
UShort* pRawIB = pIB->GetData();
Int offset = 0;
for (UInt i = 0; i < pMergeArray->GetQuantity(); i++)
{
pMesh = (*pMergeArray)[i]->GetMesh();
for (UInt j = 0; j < vbCount; j++)
{
VertexBuffer* pMVB = pMesh->GetVertexBuffer(j);
const UInt vtxCount = pMesh->GetVertexCount();
pMVB->ApplyForward(Transformation::IDENTITY, rawDst[j], vtxCount,
pMesh->GetStartVertex());
const UInt vtxSize = pMVB->GetAttributes().GetVertexSize();
rawDst[j] += (vtxSize / sizeof(Float)) * vtxCount;
}
IndexBuffer* pMIB = pMesh->GetIndexBuffer();
offset -= pMesh->GetStartVertex();
const UInt startIdx = pMesh->GetStartIndex();
for (UInt j = startIdx; j < (startIdx + pMesh->GetIndexCount()); j++)
{
WIRE_ASSERT((((*pMIB)[j])+offset) < 0x10000);
*pRawIB++ = static_cast<UShort>((((*pMIB)[j])+offset));
}
offset += pMesh->GetVertexCount();
}
UInt startIndex = 0;
for (UInt i = 0; i < pMergeArray->GetQuantity(); i++)
{
pMesh = (*pMergeArray)[i]->GetMesh();
const UInt indexCount = pMesh->GetIndexCount();
Mesh* pMergedMesh = WIRE_NEW Mesh(vbs, pIB, startIndex, indexCount);
startIndex += indexCount;
(*pMergeArray)[i]->SetMesh(pMergedMesh);
}
}
//----------------------------------------------------------------------------
void Node::WarmUpRendering(Renderer* pRenderer)
{
#ifndef WIRE_WII // Wii does not need to warm up by submitting draw calls
WIRE_ASSERT(pRenderer);
UpdateGS(0, true, false);
Vector3F cameraLocation = WorldBound->GetCenter();
cameraLocation.Z() += WorldBound->GetRadius();
Vector3F viewDirection = -Vector3F::UNIT_Z;
Vector3F up = Vector3F::UNIT_Y;
Vector3F right = viewDirection.Cross(up);
CameraPtr spCamera = WIRE_NEW Camera;
spCamera->SetFrame(cameraLocation, viewDirection, up, right);
Float fieldOfView = 60.0F;
Float aspectRatio = 2;
Float nearPlane = 0.1F;
Float farPlane = WorldBound->GetRadius() * 2.0F;
spCamera->SetFrustum(fieldOfView, aspectRatio, nearPlane, farPlane);
CullerSorting culler;
culler.SetCamera(spCamera);
culler.ComputeVisibleSet(this);
pRenderer->PreDraw(spCamera);
// draw scene to warm up batching buffers
pRenderer->Draw(culler.GetVisibleSets());
// collect and draw all materials separately so none will be missed
// by CULL_ALWAYS or Switch/LOD nodes.
THashSet<Material*> materials;
TStack<Node*> scene(1000);
scene.Push(this);
while (!scene.IsEmpty())
{
Node* pNode = NULL;
scene.Pop(pNode);
RenderObject* pRenderObject = pNode->GetRenderObject();
if (pRenderObject && pRenderObject->GetMaterial())
{
materials.Insert(pRenderObject->GetMaterial());
}
for (UInt i = 0; i < pNode->GetQuantity(); i++)
{
Node* pChild = DynamicCast<Node>(pNode->GetChild(i));
if (pChild)
{
scene.Push(pChild);
}
}
}
RenderObjectPtr spCube = StandardMesh::CreateCube24(4, pRenderer->
GetMaxTextureStages(), true);
THashSet<Material*>::Iterator it(&materials);
Transformation transformation;
transformation.SetTranslate(cameraLocation - Vector3F(0, 0, 3));
for (Material** pMaterial = it.GetFirst(); pMaterial; pMaterial =
it.GetNext())
{
spCube->SetMaterial(*pMaterial);
pRenderer->Draw(spCube, transformation);
}
pRenderer->PostDraw();
#endif
}