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authorsanine <sanine.not@pm.me>2022-03-04 10:47:15 -0600
committersanine <sanine.not@pm.me>2022-03-04 10:47:15 -0600
commit058f98a63658dc1a2579826ba167fd61bed1e21f (patch)
treebcba07a1615a14d943f3af3f815a42f3be86b2f3 /src/mesh/assimp-master/test/unit/utSplitLargeMeshes.cpp
parent2f8028ac9e0812cb6f3cbb08f0f419e4e717bd22 (diff)
add assimp submodule
Diffstat (limited to 'src/mesh/assimp-master/test/unit/utSplitLargeMeshes.cpp')
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diff --git a/src/mesh/assimp-master/test/unit/utSplitLargeMeshes.cpp b/src/mesh/assimp-master/test/unit/utSplitLargeMeshes.cpp
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+/*
+---------------------------------------------------------------------------
+Open Asset Import Library (assimp)
+---------------------------------------------------------------------------
+
+Copyright (c) 2006-2022, 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
+conditions are met:
+
+* Redistributions of source code must retain the above
+copyright notice, this list of conditions and the
+following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+copyright notice, this list of conditions and the
+following disclaimer in the documentation and/or other
+materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+contributors may be used to endorse or promote products
+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
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+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
+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
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+---------------------------------------------------------------------------
+*/
+#include "UnitTestPCH.h"
+
+#include "PostProcessing/SplitLargeMeshes.h"
+#include <assimp/scene.h>
+
+using namespace std;
+using namespace Assimp;
+
+class SplitLargeMeshesTest : public ::testing::Test {
+public:
+ virtual void SetUp();
+ virtual void TearDown();
+
+protected:
+ SplitLargeMeshesProcess_Triangle *piProcessTriangle;
+ SplitLargeMeshesProcess_Vertex *piProcessVertex;
+};
+
+// ------------------------------------------------------------------------------------------------
+void SplitLargeMeshesTest::SetUp() {
+ // construct the processes
+ this->piProcessTriangle = new SplitLargeMeshesProcess_Triangle();
+ this->piProcessVertex = new SplitLargeMeshesProcess_Vertex();
+
+ this->piProcessTriangle->SetLimit(1000);
+ this->piProcessVertex->SetLimit(1000);
+}
+
+// ------------------------------------------------------------------------------------------------
+void SplitLargeMeshesTest::TearDown() {
+ delete this->piProcessTriangle;
+ delete this->piProcessVertex;
+}
+
+// ------------------------------------------------------------------------------------------------
+TEST_F(SplitLargeMeshesTest, testVertexSplit) {
+ std::vector<std::pair<aiMesh *, unsigned int>> avOut;
+
+ aiMesh *pcMesh1 = new aiMesh();
+ pcMesh1->mNumVertices = 2100; // quersumme: 3
+ pcMesh1->mVertices = new aiVector3D[pcMesh1->mNumVertices];
+ pcMesh1->mNormals = new aiVector3D[pcMesh1->mNumVertices];
+
+ pcMesh1->mNumFaces = pcMesh1->mNumVertices / 3;
+ pcMesh1->mFaces = new aiFace[pcMesh1->mNumFaces];
+
+ unsigned int qq = 0;
+ for (unsigned int i = 0; i < pcMesh1->mNumFaces; ++i) {
+ aiFace &face = pcMesh1->mFaces[i];
+ face.mNumIndices = 3;
+ face.mIndices = new unsigned int[3];
+ face.mIndices[0] = qq++;
+ face.mIndices[1] = qq++;
+ face.mIndices[2] = qq++;
+ }
+
+ int iOldFaceNum = (int)pcMesh1->mNumFaces;
+ piProcessVertex->SplitMesh(0, pcMesh1, avOut);
+
+ for (std::vector<std::pair<aiMesh *, unsigned int>>::const_iterator
+ iter = avOut.begin(),
+ end = avOut.end();
+ iter != end; ++iter) {
+ aiMesh *mesh = (*iter).first;
+ EXPECT_LT(mesh->mNumVertices, 1000U);
+ EXPECT_TRUE(NULL != mesh->mNormals);
+ EXPECT_TRUE(NULL != mesh->mVertices);
+
+ iOldFaceNum -= mesh->mNumFaces;
+ delete mesh;
+ }
+ EXPECT_EQ(0, iOldFaceNum);
+}
+
+// ------------------------------------------------------------------------------------------------
+TEST_F(SplitLargeMeshesTest, testTriangleSplit) {
+ std::vector<std::pair<aiMesh *, unsigned int>> avOut;
+
+ // generate many, many faces with randomized indices for
+ // the second mesh
+ aiMesh *pcMesh2 = new aiMesh();
+ pcMesh2->mNumVertices = 3000;
+ pcMesh2->mVertices = new aiVector3D[pcMesh2->mNumVertices];
+ pcMesh2->mNormals = new aiVector3D[pcMesh2->mNumVertices];
+
+ pcMesh2->mNumFaces = 10000;
+ pcMesh2->mFaces = new aiFace[pcMesh2->mNumFaces];
+
+ for (unsigned int i = 0; i < pcMesh2->mNumFaces; ++i) {
+ aiFace &face = pcMesh2->mFaces[i];
+ face.mNumIndices = 3;
+ face.mIndices = new unsigned int[3];
+ face.mIndices[0] = (unsigned int)((rand() / (float)RAND_MAX) * pcMesh2->mNumVertices);
+ face.mIndices[1] = (unsigned int)((rand() / (float)RAND_MAX) * pcMesh2->mNumVertices);
+ face.mIndices[2] = (unsigned int)((rand() / (float)RAND_MAX) * pcMesh2->mNumVertices);
+ }
+
+ // the number of faces shouldn't change
+ int iOldFaceNum = (int)pcMesh2->mNumFaces;
+ piProcessTriangle->SplitMesh(0, pcMesh2, avOut);
+
+ for (std::vector<std::pair<aiMesh *, unsigned int>>::const_iterator
+ iter = avOut.begin(),
+ end = avOut.end();
+ iter != end; ++iter) {
+ aiMesh *mesh = (*iter).first;
+ EXPECT_LT(mesh->mNumFaces, 1000U);
+ EXPECT_TRUE(NULL != mesh->mNormals);
+ EXPECT_TRUE(NULL != mesh->mVertices);
+
+ iOldFaceNum -= mesh->mNumFaces;
+ delete mesh;
+ }
+ EXPECT_EQ(0, iOldFaceNum);
+}