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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/utTriangulate.cpp
parent2f8028ac9e0812cb6f3cbb08f0f419e4e717bd22 (diff)
add assimp submodule
Diffstat (limited to 'src/mesh/assimp-master/test/unit/utTriangulate.cpp')
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1 files changed, 137 insertions, 0 deletions
diff --git a/src/mesh/assimp-master/test/unit/utTriangulate.cpp b/src/mesh/assimp-master/test/unit/utTriangulate.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 <assimp/scene.h>
+
+#include "PostProcessing/TriangulateProcess.h"
+
+using namespace std;
+using namespace Assimp;
+
+class TriangulateProcessTest : public ::testing::Test {
+public:
+ virtual void SetUp();
+ virtual void TearDown();
+
+protected:
+ aiMesh *pcMesh;
+ TriangulateProcess *piProcess;
+};
+
+void TriangulateProcessTest::SetUp() {
+ piProcess = new TriangulateProcess();
+ pcMesh = new aiMesh();
+
+ pcMesh->mNumFaces = 1000;
+ pcMesh->mFaces = new aiFace[1000];
+ pcMesh->mVertices = new aiVector3D[10000];
+
+ pcMesh->mPrimitiveTypes = aiPrimitiveType_POINT | aiPrimitiveType_LINE | aiPrimitiveType_POLYGON;
+
+ for (unsigned int m = 0, t = 0, q = 4; m < 1000; ++m) {
+ ++t;
+ aiFace &face = pcMesh->mFaces[m];
+ face.mNumIndices = t;
+ if (4 == t) {
+ face.mNumIndices = q++;
+ t = 0;
+
+ if (10 == q) q = 4;
+ }
+ face.mIndices = new unsigned int[face.mNumIndices];
+ for (unsigned int p = 0; p < face.mNumIndices; ++p) {
+ face.mIndices[p] = pcMesh->mNumVertices;
+
+ // construct fully convex input data in ccw winding, xy plane
+ aiVector3D &v = pcMesh->mVertices[pcMesh->mNumVertices++];
+ v.z = 0.f;
+ v.x = cos(p * (float)(AI_MATH_TWO_PI) / face.mNumIndices);
+ v.y = sin(p * (float)(AI_MATH_TWO_PI) / face.mNumIndices);
+ }
+ }
+}
+
+void TriangulateProcessTest::TearDown() {
+ delete piProcess;
+ delete pcMesh;
+}
+
+TEST_F(TriangulateProcessTest, testTriangulation) {
+ piProcess->TriangulateMesh(pcMesh);
+
+ for (unsigned int m = 0, t = 0, q = 4, max = 1000, idx = 0; m < max; ++m) {
+ ++t;
+ aiFace &face = pcMesh->mFaces[m];
+ if (4 == t) {
+ t = 0;
+ max += q - 3;
+
+ std::vector<bool> ait(q, false);
+
+ for (unsigned int i = 0, tt = q - 2; i < tt; ++i, ++m) {
+ aiFace &curFace = pcMesh->mFaces[m];
+ EXPECT_EQ(3U, curFace.mNumIndices);
+
+ for (unsigned int qqq = 0; qqq < curFace.mNumIndices; ++qqq) {
+ ait[curFace.mIndices[qqq] - idx] = true;
+ }
+ }
+ for (std::vector<bool>::const_iterator it = ait.begin(); it != ait.end(); ++it) {
+ EXPECT_TRUE(*it);
+ }
+ --m;
+ idx += q;
+ if (++q == 10) {
+ q = 4;
+ }
+ } else {
+ EXPECT_EQ(t, face.mNumIndices);
+
+ for (unsigned int i = 0; i < face.mNumIndices; ++i, ++idx) {
+ EXPECT_EQ(idx, face.mIndices[i]);
+ }
+ }
+ }
+
+ // we should have no valid normal vectors now because we aren't a pure polygon mesh
+ EXPECT_TRUE(pcMesh->mNormals == NULL);
+}