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Merge pull request #4619 from assimp/kimkulling/fix_texture_loading_3mp_issue-4568 

Kimkulling/fix texture loading 3MF, reladed issue-4568
pull/4610/head^2
Kim Kulling 2022-07-06 21:21:55 +02:00 committed by GitHub
parent 44fad544e6 77a2cdee76
commit 395b9f535e
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 20 additions and 14 deletions
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32
code/AssetLib/3MF/XmlSerializer.cpp
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@ -64,7 +64,7 @@ bool validateColorString(const char *color) {
return true;
}
aiFace ReadTriangle(XmlNode &node, unsigned int &texId0, unsigned int &texId1, unsigned int &texId2) {
aiFace ReadTriangle(XmlNode &node, int &texId0, int &texId1, int &texId2) {
aiFace face;
face.mNumIndices = 3;
@ -73,9 +73,10 @@ aiFace ReadTriangle(XmlNode &node, unsigned int &texId0, unsigned int &texId1, u
face.mIndices[1] = static_cast<unsigned int>(std::atoi(node.attribute(XmlTag::v2).as_string()));
face.mIndices[2] = static_cast<unsigned int>(std::atoi(node.attribute(XmlTag::v3).as_string()));
texId0 = static_cast<unsigned int>(std::atoi(node.attribute(XmlTag::p1).as_string()));
texId1 = static_cast<unsigned int>(std::atoi(node.attribute(XmlTag::p2).as_string()));
texId2 = static_cast<unsigned int>(std::atoi(node.attribute(XmlTag::p3).as_string()));
texId0 = texId1 = texId2 = -1;
XmlParser::getIntAttribute(node, XmlTag::p1, texId0);
XmlParser::getIntAttribute(node, XmlTag::p2, texId1);
XmlParser::getIntAttribute(node, XmlTag::p3, texId2);
return face;
}
@ -416,7 +417,8 @@ void XmlSerializer::ImportTriangles(XmlNode &node, aiMesh *mesh) {
bool hasPid = getNodeAttribute(currentNode, D3MF::XmlTag::pid, pid);
bool hasP1 = getNodeAttribute(currentNode, D3MF::XmlTag::p1, p1);
unsigned int texId[3];
int texId[3];
Texture2DGroup *group = nullptr;
aiFace face = ReadTriangle(currentNode, texId[0], texId[1], texId[2]);
if (hasPid && hasP1) {
auto it = mResourcesDictionnary.find(pid);
@ -431,7 +433,7 @@ void XmlSerializer::ImportTriangles(XmlNode &node, aiMesh *mesh) {
mesh->mNumUVComponents[i] = 0;
}
Texture2DGroup *group = static_cast<Texture2DGroup *>(it->second);
group = static_cast<Texture2DGroup *>(it->second);
const std::string name = ai_to_string(group->mTexId);
for (size_t i = 0; i < mMaterials.size(); ++i) {
if (name == mMaterials[i]->GetName().C_Str()) {
@ -439,13 +441,19 @@ void XmlSerializer::ImportTriangles(XmlNode &node, aiMesh *mesh) {
}
}
mesh->mTextureCoords[0] = new aiVector3D[mesh->mNumVertices];
for (unsigned int i = 0; i < mesh->mNumVertices; ++i) {
}
}
}
}
mesh->mTextureCoords[0][i] = aiVector3D(group->mTex2dCoords[i].x, group->mTex2dCoords[i].y, 0);
}
}
}
}
// Load texture coordinates into mesh, when any
if (group != nullptr) {
size_t i0 = face.mIndices[0];
size_t i1 = face.mIndices[1];
size_t i2 = face.mIndices[2];
mesh->mTextureCoords[0][i0] = aiVector3D(group->mTex2dCoords[texId[0]].x, group->mTex2dCoords[texId[0]].y, 0.0f);
mesh->mTextureCoords[0][i1] = aiVector3D(group->mTex2dCoords[texId[1]].x, group->mTex2dCoords[texId[1]].y, 0.0f);
mesh->mTextureCoords[0][i2] = aiVector3D(group->mTex2dCoords[texId[2]].x, group->mTex2dCoords[texId[2]].y, 0.0f);
}
faces.push_back(face);

6
include/assimp/XmlParser.h
View File

@ -501,10 +501,8 @@ public:
}
}
/// @brief The class destructor.
~XmlNodeIterator() {
// empty
}
/// @brief The class destructor, default implementation.
~XmlNodeIterator() = default;
/// @brief Will iterate through all children in pre-order iteration.
/// @param node [in] The nod to iterate through.