本文整理汇总了C++中UPrimitiveComponent::GetNumMaterials方法的典型用法代码示例。如果您正苦于以下问题：C++ UPrimitiveComponent::GetNumMaterials方法的具体用法？C++ UPrimitiveComponent::GetNumMaterials怎么用？C++ UPrimitiveComponent::GetNumMaterials使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类UPrimitiveComponent的用法示例。
在下文中一共展示了UPrimitiveComponent::GetNumMaterials方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: if
/**
* Advances to the next material
*/
void operator++()
{
// Advance to the next material
++CurMaterialIndex;
// Examine each component until we are out of them
while( SelectedComponents.IsValidIndex(CurComponentIndex) )
{
USceneComponent* TestComponent = SelectedComponents[CurComponentIndex].Get();
if( TestComponent != NULL )
{
CurComponent = TestComponent;
int32 NumMaterials = 0;
// Primitive components and some actor components have materials
UPrimitiveComponent* PrimitiveComp = Cast<UPrimitiveComponent>( CurComponent );
UDecalComponent* DecalComponent = (PrimitiveComp ? NULL : Cast<UDecalComponent>( CurComponent ));
if( PrimitiveComp )
{
NumMaterials = PrimitiveComp->GetNumMaterials();
}
else if( DecalComponent )
{
// DecalComponent isn't a primitive component so we must get the materials directly from it
NumMaterials = DecalComponent->GetNumMaterials();
}
// Check materials
while( CurMaterialIndex < NumMaterials )
{
UMaterialInterface* Material = NULL;
if( PrimitiveComp )
{
Material = PrimitiveComp->GetMaterial(CurMaterialIndex);
}
else if( DecalComponent )
{
Material = DecalComponent->GetMaterial(CurMaterialIndex);
}
CurMaterial = Material;
// We step only once in the iterator if we have a material. Note: A null material is considered valid
// PVS-Studio has noticed that this is a fairly unorthodox return statement. Typically a break would
// be the expected control sequence in a nested while loop. This may be correct, however, so for now
// we have disabled the warning.
return; //-V612
}
// Out of materials on this component, reset for the next component
CurMaterialIndex = 0;
}
// Advance to the next compoment
++CurComponentIndex;
}
// Out of components to check, reset to an invalid state
CurComponentIndex = INDEX_NONE;
bReachedEnd = true;
CurComponent = NULL;
CurMaterial = NULL;
CurMaterialIndex = INDEX_NONE;
}