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-rw-r--r--src/3rdparty/assimp/code/FixNormalsStep.cpp178
1 files changed, 91 insertions, 87 deletions
diff --git a/src/3rdparty/assimp/code/FixNormalsStep.cpp b/src/3rdparty/assimp/code/FixNormalsStep.cpp
index 9b8522295..9249b13e9 100644
--- a/src/3rdparty/assimp/code/FixNormalsStep.cpp
+++ b/src/3rdparty/assimp/code/FixNormalsStep.cpp
@@ -3,12 +3,12 @@
Open Asset Import Library (assimp)
---------------------------------------------------------------------------
-Copyright (c) 2006-2012, assimp team
+Copyright (c) 2006-2016, assimp team
All rights reserved.
-Redistribution and use of this software in source and binary forms,
-with or without modification, are permitted provided that the following
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the following
conditions are met:
* Redistributions of source code must retain the above
@@ -25,16 +25,16 @@ conditions are met:
derived from this software without specific prior
written permission of the assimp team.
-THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
---------------------------------------------------------------------------
*/
@@ -43,10 +43,14 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
* all normals in meshes with infacing normals.
*/
-#include "AssimpPCH.h"
-
// internal headers
#include "FixNormalsStep.h"
+#include "StringUtils.h"
+#include <assimp/DefaultLogger.hpp>
+#include <assimp/postprocess.h>
+#include <assimp/scene.h>
+#include <stdio.h>
+
using namespace Assimp;
@@ -55,122 +59,122 @@ using namespace Assimp;
// Constructor to be privately used by Importer
FixInfacingNormalsProcess::FixInfacingNormalsProcess()
{
- // nothing to do here
+ // nothing to do here
}
// ------------------------------------------------------------------------------------------------
// Destructor, private as well
FixInfacingNormalsProcess::~FixInfacingNormalsProcess()
{
- // nothing to do here
+ // nothing to do here
}
// ------------------------------------------------------------------------------------------------
// Returns whether the processing step is present in the given flag field.
bool FixInfacingNormalsProcess::IsActive( unsigned int pFlags) const
{
- return (pFlags & aiProcess_FixInfacingNormals) != 0;
+ return (pFlags & aiProcess_FixInfacingNormals) != 0;
}
// ------------------------------------------------------------------------------------------------
// Executes the post processing step on the given imported data.
void FixInfacingNormalsProcess::Execute( aiScene* pScene)
{
- DefaultLogger::get()->debug("FixInfacingNormalsProcess begin");
+ DefaultLogger::get()->debug("FixInfacingNormalsProcess begin");
- bool bHas = false;
- for( unsigned int a = 0; a < pScene->mNumMeshes; a++)
- if(ProcessMesh( pScene->mMeshes[a],a))bHas = true;
+ bool bHas = false;
+ for( unsigned int a = 0; a < pScene->mNumMeshes; a++)
+ if(ProcessMesh( pScene->mMeshes[a],a))bHas = true;
- if (bHas)
- DefaultLogger::get()->debug("FixInfacingNormalsProcess finished. Found issues.");
- else DefaultLogger::get()->debug("FixInfacingNormalsProcess finished. No changes to the scene.");
+ if (bHas)
+ DefaultLogger::get()->debug("FixInfacingNormalsProcess finished. Found issues.");
+ else DefaultLogger::get()->debug("FixInfacingNormalsProcess finished. No changes to the scene.");
}
// ------------------------------------------------------------------------------------------------
// Apply the step to the mesh
bool FixInfacingNormalsProcess::ProcessMesh( aiMesh* pcMesh, unsigned int index)
{
- ai_assert(NULL != pcMesh);
+ ai_assert(NULL != pcMesh);
- // Nothing to do if there are no model normals
- if (!pcMesh->HasNormals())return false;
+ // Nothing to do if there are no model normals
+ if (!pcMesh->HasNormals())return false;
- // Compute the bounding box of both the model vertices + normals and
- // the umodified model vertices. Then check whether the first BB
- // is smaller than the second. In this case we can assume that the
- // normals need to be flipped, although there are a few special cases ..
- // convex, concave, planar models ...
+ // Compute the bounding box of both the model vertices + normals and
+ // the umodified model vertices. Then check whether the first BB
+ // is smaller than the second. In this case we can assume that the
+ // normals need to be flipped, although there are a few special cases ..
+ // convex, concave, planar models ...
- aiVector3D vMin0 (1e10f,1e10f,1e10f);
- aiVector3D vMin1 (1e10f,1e10f,1e10f);
- aiVector3D vMax0 (-1e10f,-1e10f,-1e10f);
- aiVector3D vMax1 (-1e10f,-1e10f,-1e10f);
+ aiVector3D vMin0 (1e10f,1e10f,1e10f);
+ aiVector3D vMin1 (1e10f,1e10f,1e10f);
+ aiVector3D vMax0 (-1e10f,-1e10f,-1e10f);
+ aiVector3D vMax1 (-1e10f,-1e10f,-1e10f);
- for (unsigned int i = 0; i < pcMesh->mNumVertices;++i)
- {
- vMin1.x = std::min(vMin1.x,pcMesh->mVertices[i].x);
- vMin1.y = std::min(vMin1.y,pcMesh->mVertices[i].y);
- vMin1.z = std::min(vMin1.z,pcMesh->mVertices[i].z);
+ for (unsigned int i = 0; i < pcMesh->mNumVertices;++i)
+ {
+ vMin1.x = std::min(vMin1.x,pcMesh->mVertices[i].x);
+ vMin1.y = std::min(vMin1.y,pcMesh->mVertices[i].y);
+ vMin1.z = std::min(vMin1.z,pcMesh->mVertices[i].z);
- vMax1.x = std::max(vMax1.x,pcMesh->mVertices[i].x);
- vMax1.y = std::max(vMax1.y,pcMesh->mVertices[i].y);
- vMax1.z = std::max(vMax1.z,pcMesh->mVertices[i].z);
+ vMax1.x = std::max(vMax1.x,pcMesh->mVertices[i].x);
+ vMax1.y = std::max(vMax1.y,pcMesh->mVertices[i].y);
+ vMax1.z = std::max(vMax1.z,pcMesh->mVertices[i].z);
- const aiVector3D vWithNormal = pcMesh->mVertices[i] + pcMesh->mNormals[i];
+ const aiVector3D vWithNormal = pcMesh->mVertices[i] + pcMesh->mNormals[i];
- vMin0.x = std::min(vMin0.x,vWithNormal.x);
- vMin0.y = std::min(vMin0.y,vWithNormal.y);
- vMin0.z = std::min(vMin0.z,vWithNormal.z);
+ vMin0.x = std::min(vMin0.x,vWithNormal.x);
+ vMin0.y = std::min(vMin0.y,vWithNormal.y);
+ vMin0.z = std::min(vMin0.z,vWithNormal.z);
- vMax0.x = std::max(vMax0.x,vWithNormal.x);
- vMax0.y = std::max(vMax0.y,vWithNormal.y);
- vMax0.z = std::max(vMax0.z,vWithNormal.z);
- }
+ vMax0.x = std::max(vMax0.x,vWithNormal.x);
+ vMax0.y = std::max(vMax0.y,vWithNormal.y);
+ vMax0.z = std::max(vMax0.z,vWithNormal.z);
+ }
- const float fDelta0_x = (vMax0.x - vMin0.x);
- const float fDelta0_y = (vMax0.y - vMin0.y);
- const float fDelta0_z = (vMax0.z - vMin0.z);
+ const float fDelta0_x = (vMax0.x - vMin0.x);
+ const float fDelta0_y = (vMax0.y - vMin0.y);
+ const float fDelta0_z = (vMax0.z - vMin0.z);
- const float fDelta1_x = (vMax1.x - vMin1.x);
- const float fDelta1_y = (vMax1.y - vMin1.y);
- const float fDelta1_z = (vMax1.z - vMin1.z);
+ const float fDelta1_x = (vMax1.x - vMin1.x);
+ const float fDelta1_y = (vMax1.y - vMin1.y);
+ const float fDelta1_z = (vMax1.z - vMin1.z);
- // Check whether the boxes are overlapping
- if ((fDelta0_x > 0.0f) != (fDelta1_x > 0.0f))return false;
- if ((fDelta0_y > 0.0f) != (fDelta1_y > 0.0f))return false;
- if ((fDelta0_z > 0.0f) != (fDelta1_z > 0.0f))return false;
+ // Check whether the boxes are overlapping
+ if ((fDelta0_x > 0.0f) != (fDelta1_x > 0.0f))return false;
+ if ((fDelta0_y > 0.0f) != (fDelta1_y > 0.0f))return false;
+ if ((fDelta0_z > 0.0f) != (fDelta1_z > 0.0f))return false;
- // Check whether this is a planar surface
- const float fDelta1_yz = fDelta1_y * fDelta1_z;
+ // Check whether this is a planar surface
+ const float fDelta1_yz = fDelta1_y * fDelta1_z;
if (fDelta1_x < 0.05f * sqrtf( fDelta1_yz ))return false;
if (fDelta1_y < 0.05f * sqrtf( fDelta1_z * fDelta1_x ))return false;
if (fDelta1_z < 0.05f * sqrtf( fDelta1_y * fDelta1_x ))return false;
- // now compare the volumes of the bounding boxes
- if (::fabsf(fDelta0_x * fDelta1_yz) <
- ::fabsf(fDelta1_x * fDelta1_y * fDelta1_z))
- {
- if (!DefaultLogger::isNullLogger())
- {
- char buffer[128]; // should be sufficiently large
- ::sprintf(buffer,"Mesh %i: Normals are facing inwards (or the mesh is planar)",index);
- DefaultLogger::get()->info(buffer);
- }
-
- // Invert normals
- for (unsigned int i = 0; i < pcMesh->mNumVertices;++i)
- pcMesh->mNormals[i] *= -1.0f;
-
- // ... and flip faces
- for (unsigned int i = 0; i < pcMesh->mNumFaces;++i)
- {
- aiFace& face = pcMesh->mFaces[i];
- for( unsigned int b = 0; b < face.mNumIndices / 2; b++)
- std::swap( face.mIndices[b], face.mIndices[ face.mNumIndices - 1 - b]);
- }
- return true;
- }
- return false;
+ // now compare the volumes of the bounding boxes
+ if (std::fabs(fDelta0_x * fDelta0_y * fDelta0_z) <
+ std::fabs(fDelta1_x * fDelta1_yz))
+ {
+ if (!DefaultLogger::isNullLogger())
+ {
+ char buffer[128]; // should be sufficiently large
+ ai_snprintf(buffer,128,"Mesh %u: Normals are facing inwards (or the mesh is planar)",index);
+ DefaultLogger::get()->info(buffer);
+ }
+
+ // Invert normals
+ for (unsigned int i = 0; i < pcMesh->mNumVertices;++i)
+ pcMesh->mNormals[i] *= -1.0f;
+
+ // ... and flip faces
+ for (unsigned int i = 0; i < pcMesh->mNumFaces;++i)
+ {
+ aiFace& face = pcMesh->mFaces[i];
+ for( unsigned int b = 0; b < face.mNumIndices / 2; b++)
+ std::swap( face.mIndices[b], face.mIndices[ face.mNumIndices - 1 - b]);
+ }
+ return true;
+ }
+ return false;
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-12 21:48:35 +0000