assimp/test/unit/utRemoveRedundantMaterials.cpp

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/*
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Open Asset Import Library (assimp)
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Copyright (c) 2006-2024, assimp team
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*/
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#include "UnitTestPCH.h"
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#include "Material/MaterialSystem.h"
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#include "PostProcessing/RemoveRedundantMaterials.h"
#include <assimp/scene.h>
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using namespace std;
using namespace Assimp;
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class RemoveRedundantMatsTest : public ::testing::Test {
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public:
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virtual void SetUp();
virtual void TearDown();
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protected:
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RemoveRedundantMatsProcess *piProcess;
aiScene *pcScene1;
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};
// ------------------------------------------------------------------------------------------------
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aiMaterial *getUniqueMaterial1() {
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// setup an unique name for each material - this shouldn't care
aiString mTemp;
mTemp.Set("UniqueMat1");
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aiMaterial *pcMat = new aiMaterial();
pcMat->AddProperty(&mTemp, AI_MATKEY_NAME);
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float f = 2.0f;
pcMat->AddProperty<float>(&f, 1, AI_MATKEY_BUMPSCALING);
pcMat->AddProperty<float>(&f, 1, AI_MATKEY_SHININESS_STRENGTH);
return pcMat;
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}
// ------------------------------------------------------------------------------------------------
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aiMaterial *getUniqueMaterial2() {
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// setup an unique name for each material - this shouldn't care
aiString mTemp;
mTemp.Set("Unique Mat2");
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aiMaterial *pcMat = new aiMaterial();
pcMat->AddProperty(&mTemp, AI_MATKEY_NAME);
float f = 4.0f;
int i = 1;
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pcMat->AddProperty<float>(&f, 1, AI_MATKEY_BUMPSCALING);
pcMat->AddProperty<int>(&i, 1, AI_MATKEY_ENABLE_WIREFRAME);
return pcMat;
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}
// ------------------------------------------------------------------------------------------------
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aiMaterial *getUniqueMaterial3() {
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// setup an unique name for each material - this shouldn't care
aiString mTemp;
mTemp.Set("Complex material name");
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aiMaterial *pcMat = new aiMaterial();
pcMat->AddProperty(&mTemp, AI_MATKEY_NAME);
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return pcMat;
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}
// ------------------------------------------------------------------------------------------------
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void RemoveRedundantMatsTest::SetUp() {
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// construct the process
piProcess = new RemoveRedundantMatsProcess();
// create a scene with 5 materials (2 is a duplicate of 0, 3 of 1)
pcScene1 = new aiScene();
pcScene1->mNumMaterials = 5;
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pcScene1->mMaterials = new aiMaterial *[5];
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pcScene1->mMaterials[0] = getUniqueMaterial1();
pcScene1->mMaterials[1] = getUniqueMaterial2();
pcScene1->mMaterials[4] = getUniqueMaterial3();
// all materials must be referenced
pcScene1->mNumMeshes = 5;
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pcScene1->mMeshes = new aiMesh *[5];
for (unsigned int i = 0; i < 5; ++i) {
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pcScene1->mMeshes[i] = new aiMesh();
pcScene1->mMeshes[i]->mMaterialIndex = i;
}
// setup an unique name for each material - this shouldn't care
aiString mTemp;
mTemp.length = 1;
mTemp.data[0] = 48;
mTemp.data[1] = 0;
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aiMaterial *pcMat;
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pcScene1->mMaterials[2] = pcMat = new aiMaterial();
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aiMaterial::CopyPropertyList(pcMat, (const aiMaterial *)pcScene1->mMaterials[0]);
pcMat->AddProperty(&mTemp, AI_MATKEY_NAME);
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mTemp.data[0]++;
pcScene1->mMaterials[3] = pcMat = new aiMaterial();
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aiMaterial::CopyPropertyList(pcMat, (const aiMaterial *)pcScene1->mMaterials[1]);
pcMat->AddProperty(&mTemp, AI_MATKEY_NAME);
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mTemp.data[0]++;
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}
// ------------------------------------------------------------------------------------------------
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void RemoveRedundantMatsTest::TearDown() {
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delete piProcess;
delete pcScene1;
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}
// ------------------------------------------------------------------------------------------------
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TEST_F(RemoveRedundantMatsTest, testRedundantMaterials) {
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piProcess->SetFixedMaterialsString();
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piProcess->Execute(pcScene1);
EXPECT_EQ(3U, pcScene1->mNumMaterials);
EXPECT_TRUE(nullptr != pcScene1->mMaterials &&
nullptr != pcScene1->mMaterials[0] &&
nullptr != pcScene1->mMaterials[1] &&
nullptr != pcScene1->mMaterials[2]);
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aiString sName;
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EXPECT_EQ(AI_SUCCESS, aiGetMaterialString(pcScene1->mMaterials[2], AI_MATKEY_NAME, &sName));
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EXPECT_STREQ("Complex material name", sName.data);
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}
// ------------------------------------------------------------------------------------------------
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TEST_F(RemoveRedundantMatsTest, testRedundantMaterialsWithExcludeList) {
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piProcess->SetFixedMaterialsString("\'Unique Mat2\'\t\'Complex material name\' and_another_one_which_we_wont_use");
piProcess->Execute(pcScene1);
EXPECT_EQ(4U, pcScene1->mNumMaterials);
EXPECT_TRUE(nullptr != pcScene1->mMaterials &&
nullptr != pcScene1->mMaterials[0] &&
nullptr != pcScene1->mMaterials[1] &&
nullptr != pcScene1->mMaterials[2] &&
nullptr != pcScene1->mMaterials[3]);
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aiString sName;
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EXPECT_EQ(AI_SUCCESS, aiGetMaterialString(pcScene1->mMaterials[3], AI_MATKEY_NAME, &sName));
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EXPECT_STREQ("Complex material name", sName.data);
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}