Updated ComputeAAB and TransformVertices functions

They now take sparse pointers instead of template type


Former-commit-id: 92a3de59b6a321136b8bad324048239f83381534
This commit is contained in:
Lynix 2015-01-26 17:44:32 +01:00
parent 025fdf6846
commit 35a37f8507
4 changed files with 40 additions and 49 deletions

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@ -32,7 +32,7 @@ struct NzVertexPointers
NzSparsePtr<NzVector2f> uvPtr;
};
template<typename T> NzBoxf NzComputeAABB(const T* vertices, unsigned int vertexCount);
NAZARA_API NzBoxf NzComputeAABB(NzSparsePtr<const NzVector3f> positionPtr, unsigned int vertexCount);
NAZARA_API void NzComputeBoxIndexVertexCount(const NzVector3ui& subdivision, unsigned int* indexCount, unsigned int* vertexCount);
NAZARA_API unsigned int NzComputeCacheMissCount(NzIndexIterator indices, unsigned int indexCount);
NAZARA_API void NzComputeConeIndexVertexCount(unsigned int subdivision, unsigned int* indexCount, unsigned int* vertexCount);
@ -41,7 +41,6 @@ NAZARA_API void NzComputeIcoSphereIndexVertexCount(unsigned int recursionLevel,
NAZARA_API void NzComputePlaneIndexVertexCount(const NzVector2ui& subdivision, unsigned int* indexCount, unsigned int* vertexCount);
NAZARA_API void NzComputeUvSphereIndexVertexCount(unsigned int sliceCount, unsigned int stackCount, unsigned int* indexCount, unsigned int* vertexCount);
///TODO: Remplacer le pointeur vertices par une structure composée de plusieurs SparsePtr
NAZARA_API void NzGenerateBox(const NzVector3f& lengths, const NzVector3ui& subdivision, const NzMatrix4f& matrix, const NzRectf& textureCoords, NzVertexPointers vertexPointers, NzIndexIterator indices, NzBoxf* aabb = nullptr, unsigned int indexOffset = 0);
NAZARA_API void NzGenerateCone(float length, float radius, unsigned int subdivision, const NzMatrix4f& matrix, const NzRectf& textureCoords, NzVertexPointers vertexPointers, NzIndexIterator indices, NzBoxf* aabb = nullptr, unsigned int indexOffset = 0);
NAZARA_API void NzGenerateCubicSphere(float size, unsigned int subdivision, const NzMatrix4f& matrix, const NzRectf& textureCoords, NzVertexPointers vertexPointers, NzIndexIterator indices, NzBoxf* aabb = nullptr, unsigned int indexOffset = 0);
@ -55,8 +54,6 @@ NAZARA_API void NzSkinPosition(const NzSkinningData& data, unsigned int startVer
NAZARA_API void NzSkinPositionNormal(const NzSkinningData& data, unsigned int startVertex, unsigned int vertexCount);
NAZARA_API void NzSkinPositionNormalTangent(const NzSkinningData& data, unsigned int startVertex, unsigned int vertexCount);
template<typename T> void NzTransformVertices(T* vertices, unsigned int vertexCount, const NzMatrix4f& matrix);
#include <Nazara/Utility/Algorithm.inl>
NAZARA_API void NzTransformVertices(NzVertexPointers vertexPointers, unsigned int vertexCount, const NzMatrix4f& matrix);
#endif // NAZARA_ALGORITHM_UTILITY_HPP

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@ -1,42 +0,0 @@
// Copyright (C) 2015 Jérôme Leclercq
// This file is part of the "Nazara Engine - Utility module"
// For conditions of distribution and use, see copyright notice in Config.hpp
#include <Nazara/Utility/Debug.hpp>
template<typename T>
NzBoxf NzComputeAABB(const T* vertices, unsigned int vertexCount)
{
NzBoxf aabb;
if (vertexCount > 0)
{
aabb.Set(vertices->position.x, vertices->position.y, vertices->position.z, 0.f, 0.f, 0.f);
vertices++;
for (unsigned int i = 1; i < vertexCount; ++i)
{
aabb.ExtendTo(vertices->position);
vertices++;
}
}
else
aabb.MakeZero();
return aabb;
}
template<typename T>
void NzTransformVertices(T* vertices, unsigned int vertexCount, const NzMatrix4f& matrix)
{
NzVector3f scale = matrix.GetScale();
for (unsigned int i = 0; i < vertexCount; ++i)
{
vertices->normal = matrix.Transform(vertices->normal, 0.f) / scale;
vertices->position = matrix.Transform(vertices->position);
vertices->tangent = matrix.Transform(vertices->tangent, 0.f) / scale;
vertices++;
}
}
#include <Nazara/Utility/DebugOff.hpp>

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@ -632,6 +632,23 @@ namespace
/**********************************NzCompute**********************************/
NzBoxf NzComputeAABB(NzSparsePtr<const NzVector3f> positionPtr, unsigned int vertexCount)
{
NzBoxf aabb;
if (vertexCount > 0)
{
aabb.Set(positionPtr->x, positionPtr->y, positionPtr->z, 0.f, 0.f, 0.f);
positionPtr++;
for (unsigned int i = 1; i < vertexCount; ++i)
aabb.ExtendTo(*positionPtr++);
}
else
aabb.MakeZero();
return aabb;
}
void NzComputeBoxIndexVertexCount(const NzVector3ui& subdivision, unsigned int* indexCount, unsigned int* vertexCount)
{
unsigned int xIndexCount, yIndexCount, zIndexCount;
@ -1128,3 +1145,22 @@ void NzSkinPositionNormalTangent(const NzSkinningData& skinningInfos, unsigned i
outputVertex++;
}
}
/*********************************NzTransform*********************************/
void NzTransformVertices(NzVertexPointers vertexPointers, unsigned int vertexCount, const NzMatrix4f& matrix)
{
///DOC: Pointeur read/write
NzVector3f scale = matrix.GetScale();
for (unsigned int i = 0; i < vertexCount; ++i)
{
*vertexPointers.positionPtr++ = matrix.Transform(*vertexPointers.positionPtr);
if (vertexPointers.normalPtr)
*vertexPointers.normalPtr++ = matrix.Transform(*vertexPointers.normalPtr, 0.f) / scale;
if (vertexPointers.tangentPtr)
*vertexPointers.tangentPtr++ = matrix.Transform(*vertexPointers.tangentPtr, 0.f) / scale;
}
}

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@ -67,8 +67,8 @@ void NzStaticMesh::Destroy()
bool NzStaticMesh::GenerateAABB()
{
// On lock le buffer pour itérer sur toutes les positions et composer notre AABB
NzBufferMapper<NzVertexBuffer> mapper(m_vertexBuffer, nzBufferAccess_ReadOnly);
m_aabb = NzComputeAABB(static_cast<const NzMeshVertex*>(mapper.GetPointer()), m_vertexBuffer->GetVertexCount());
NzVertexMapper mapper(m_vertexBuffer, nzBufferAccess_ReadOnly);
m_aabb = NzComputeAABB(mapper.GetComponentPtr<const NzVector3f>(nzVertexComponent_Position), m_vertexBuffer->GetVertexCount());
return true;
}