TorqueGameEngines/Torque3D
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update assimp lib

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marauder2k7 2024-12-09 20:22:47 +00:00
parent 03a348deb7
commit d3f8fee74e
1725 changed files with 196314 additions and 62009 deletions
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87
Engine/lib/assimp/code/PostProcessing/TriangulateProcess.cpp
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@ -3,7 +3,7 @@
Open Asset Import Library (assimp)
---------------------------------------------------------------------------
Copyright (c) 2006-2022, assimp team
Copyright (c) 2006-2024, assimp team
All rights reserved.
@ -156,26 +156,15 @@ namespace {
}
// ------------------------------------------------------------------------------------------------
// Constructor to be privately used by Importer
TriangulateProcess::TriangulateProcess() = default;
// ------------------------------------------------------------------------------------------------
// Destructor, private as well
TriangulateProcess::~TriangulateProcess() = default;
// ------------------------------------------------------------------------------------------------
// Returns whether the processing step is present in the given flag field.
bool TriangulateProcess::IsActive( unsigned int pFlags) const
{
bool TriangulateProcess::IsActive( unsigned int pFlags) const {
return (pFlags & aiProcess_Triangulate) != 0;
}
// ------------------------------------------------------------------------------------------------
// Executes the post processing step on the given imported data.
void TriangulateProcess::Execute( aiScene* pScene)
{
void TriangulateProcess::Execute( aiScene* pScene) {
ASSIMP_LOG_DEBUG("TriangulateProcess begin");
bool bHas = false;
@ -196,21 +185,20 @@ void TriangulateProcess::Execute( aiScene* pScene)
// ------------------------------------------------------------------------------------------------
// Triangulates the given mesh.
bool TriangulateProcess::TriangulateMesh( aiMesh* pMesh)
{
bool TriangulateProcess::TriangulateMesh( aiMesh* pMesh) {
// Now we have aiMesh::mPrimitiveTypes, so this is only here for test cases
if (!pMesh->mPrimitiveTypes) {
bool bNeed = false;
for( unsigned int a = 0; a < pMesh->mNumFaces; a++) {
const aiFace& face = pMesh->mFaces[a];
if( face.mNumIndices != 3) {
bNeed = true;
}
}
if (!bNeed)
if (!bNeed) {
return false;
}
}
else if (!(pMesh->mPrimitiveTypes & aiPrimitiveType_POLYGON)) {
return false;
@ -225,18 +213,19 @@ bool TriangulateProcess::TriangulateMesh( aiMesh* pMesh)
get_normals = false;
}
if( face.mNumIndices <= 3) {
numOut++;
}
else {
++numOut;
} else {
numOut += face.mNumIndices-2;
max_out = std::max(max_out,face.mNumIndices);
}
}
// Just another check whether aiMesh::mPrimitiveTypes is correct
ai_assert(numOut != pMesh->mNumFaces);
if (numOut == pMesh->mNumFaces) {
ASSIMP_LOG_ERROR( "Invalidation detected in the number of indices: does not fit to the primitive type." );
return false;
}
aiVector3D *nor_out = nullptr;
// if we don't have normals yet, but expect them to be a cheap side
@ -464,7 +453,22 @@ bool TriangulateProcess::TriangulateMesh( aiMesh* pMesh)
*pnt2 = &temp_verts[next];
// Must be a convex point. Assuming ccw winding, it must be on the right of the line between p-1 and p+1.
if (OnLeftSideOfLine2D(*pnt0,*pnt2,*pnt1)) {
if (OnLeftSideOfLine2D(*pnt0,*pnt2,*pnt1) == 1) {
continue;
}
// Skip when three point is in a line
aiVector2D left = *pnt0 - *pnt1;
aiVector2D right = *pnt2 - *pnt1;
left.Normalize();
right.Normalize();
auto mul = left * right;
// if the angle is 0 or 180
if (std::abs(mul - 1.f) < ai_epsilon || std::abs(mul + 1.f) < ai_epsilon) {
// skip this ear
ASSIMP_LOG_WARN("Skip a ear, due to its angle is near 0 or 180.");
continue;
}
@ -505,22 +509,6 @@ bool TriangulateProcess::TriangulateMesh( aiMesh* pMesh)
#endif
num = 0;
break;
/*curOut -= (max-num); // undo all previous work
for (tmp = 0; tmp < max-2; ++tmp) {
aiFace& nface = *curOut++;
nface.mNumIndices = 3;
if (!nface.mIndices)
nface.mIndices = new unsigned int[3];
nface.mIndices[0] = 0;
nface.mIndices[1] = tmp+1;
nface.mIndices[2] = tmp+2;
}
num = 0;
break;*/
}
aiFace& nface = *curOut++;
@ -574,23 +562,6 @@ bool TriangulateProcess::TriangulateMesh( aiMesh* pMesh)
for(aiFace* f = last_face; f != curOut; ) {
unsigned int* i = f->mIndices;
// drop dumb 0-area triangles - deactivated for now:
//FindDegenerates post processing step can do the same thing
//if (std::fabs(GetArea2D(temp_verts[i[0]],temp_verts[i[1]],temp_verts[i[2]])) < 1e-5f) {
// ASSIMP_LOG_VERBOSE_DEBUG("Dropping triangle with area 0");
// --curOut;
// delete[] f->mIndices;
// f->mIndices = nullptr;
// for(aiFace* ff = f; ff != curOut; ++ff) {
// ff->mNumIndices = (ff+1)->mNumIndices;
// ff->mIndices = (ff+1)->mIndices;
// (ff+1)->mIndices = nullptr;
// }
// continue;
//}
i[0] = idx[i[0]];
i[1] = idx[i[1]];
i[2] = idx[i[2]];