void NzGenerateBox(const NzVector3f& lengths, const NzVector3ui& subdivision, const NzMatrix4f& matrix, const NzRectf& textureCoords, NzMeshVertex* vertices, NzIndexIterator indices, NzBoxf* aabb, unsigned int indexOffset)
{
unsigned int xIndexCount, yIndexCount, zIndexCount;
unsigned int xVertexCount, yVertexCount, zVertexCount;
NzComputePlaneIndexVertexCount(NzVector2ui(subdivision.y, subdivision.z), &xIndexCount, &xVertexCount);
NzComputePlaneIndexVertexCount(NzVector2ui(subdivision.x, subdivision.z), &yIndexCount, &yVertexCount);
NzComputePlaneIndexVertexCount(NzVector2ui(subdivision.x, subdivision.y), &zIndexCount, &zVertexCount);
NzMatrix4f transform;
NzVector3f halfLengths = lengths/2.f;
// Face +X
transform.MakeTransform(NzVector3f::UnitX() * halfLengths.x, NzEulerAnglesf(-90.f, 0.f, -90.f));
NzGeneratePlane(NzVector2ui(subdivision.z, subdivision.y), NzVector2f(lengths.z, lengths.y), NzMatrix4f::ConcatenateAffine(matrix, transform), textureCoords, vertices, indices, nullptr, indexOffset);
indexOffset += xVertexCount;
indices += xIndexCount;
vertices += xVertexCount;
// Face +Y
transform.MakeTransform(NzVector3f::UnitY() * halfLengths.y, NzEulerAnglesf(0.f, 0.f, 0.f));
NzGeneratePlane(NzVector2ui(subdivision.x, subdivision.z), NzVector2f(lengths.x, lengths.z), NzMatrix4f::ConcatenateAffine(matrix, transform), textureCoords, vertices, indices, nullptr, indexOffset);
indexOffset += yVertexCount;
indices += yIndexCount;
vertices += yVertexCount;
// Face +Z
transform.MakeTransform(NzVector3f::UnitZ() * halfLengths.z, NzEulerAnglesf(-90.f, 90.f, 90.f));
NzGeneratePlane(NzVector2ui(subdivision.x, subdivision.y), NzVector2f(lengths.x, lengths.y), NzMatrix4f::ConcatenateAffine(matrix, transform), textureCoords, vertices, indices, nullptr, indexOffset);
indexOffset += zVertexCount;
indices += zIndexCount;
vertices += zVertexCount;
// Face -X
transform.MakeTransform(-NzVector3f::UnitX() * halfLengths.x, NzEulerAnglesf(-90.f, 0.f, 90.f));
NzGeneratePlane(NzVector2ui(subdivision.z, subdivision.y), NzVector2f(lengths.z, lengths.y), NzMatrix4f::ConcatenateAffine(matrix, transform), textureCoords, vertices, indices, nullptr, indexOffset);
indexOffset += xVertexCount;
indices += xIndexCount;
vertices += xVertexCount;
// Face -Y
transform.MakeTransform(-NzVector3f::UnitY() * halfLengths.y, NzEulerAnglesf(0.f, 0.f, 180.f));
NzGeneratePlane(NzVector2ui(subdivision.x, subdivision.z), NzVector2f(lengths.x, lengths.z), NzMatrix4f::ConcatenateAffine(matrix, transform), textureCoords, vertices, indices, nullptr, indexOffset);
indexOffset += yVertexCount;
indices += yIndexCount;
vertices += yVertexCount;
// Face -Z
transform.MakeTransform(-NzVector3f::UnitZ() * halfLengths.z, NzEulerAnglesf(-90.f, -90.f, 90.f));
NzGeneratePlane(NzVector2ui(subdivision.x, subdivision.y), NzVector2f(lengths.x, lengths.y), NzMatrix4f::ConcatenateAffine(matrix, transform), textureCoords, vertices, indices, nullptr, indexOffset);
indexOffset += zVertexCount;
indices += zIndexCount;
vertices += zVertexCount;
if (aabb)
{
aabb->Set(-halfLengths, halfLengths);
aabb->Transform(matrix, false);
}
}
void NzComputeBoxIndexVertexCount(const NzVector3ui& subdivision, unsigned int* indexCount, unsigned int* vertexCount)
{
unsigned int xIndexCount, yIndexCount, zIndexCount;
unsigned int xVertexCount, yVertexCount, zVertexCount;
NzComputePlaneIndexVertexCount(NzVector2ui(subdivision.y, subdivision.z), &xIndexCount, &xVertexCount);
NzComputePlaneIndexVertexCount(NzVector2ui(subdivision.x, subdivision.z), &yIndexCount, &yVertexCount);
NzComputePlaneIndexVertexCount(NzVector2ui(subdivision.x, subdivision.y), &zIndexCount, &zVertexCount);
if (indexCount)
*indexCount = xIndexCount*2 + yIndexCount*2 + zIndexCount*2;
if (vertexCount)
*vertexCount = xVertexCount*2 + yVertexCount*2 + zVertexCount*2;
}
void NzComputeCubicSphereIndexVertexCount(unsigned int subdivision, unsigned int* indexCount, unsigned int* vertexCount)
{
// Comme tous nos plans sont identiques, on peut optimiser un peu
NzComputePlaneIndexVertexCount(NzVector2ui(subdivision), indexCount, vertexCount);
if (indexCount)
*indexCount *= 6;
if (vertexCount)
*vertexCount *= 6;
}
void NzDeferredRenderTechnique::SetPass(nzRenderPassType relativeTo, int position, NzDeferredRenderPass* pass)
{
if (pass)
{
pass->Initialize(this);
if (m_GBufferSize != NzVector2ui(0U))
pass->Resize(m_GBufferSize);
m_passes[relativeTo][position].reset(pass);
}
else
m_passes[relativeTo].erase(position);
}
NzVector2ui NzGuillotineBinPack::GetSize() const
{
return NzVector2ui(m_width, m_height);
}
