update assimp to 6.0.5

This commit is contained in:
AzaezelX 2026-06-09 12:46:56 -05:00
parent 2d2eb57e2e
commit f5cf21cfeb
941 changed files with 22718 additions and 12240 deletions

View file

@ -3,7 +3,7 @@
Open Asset Import Library (assimp)
---------------------------------------------------------------------------
Copyright (c) 2006-2024, assimp team
Copyright (c) 2006-2026, assimp team
All rights reserved.
@ -56,23 +56,27 @@ namespace Assimp {
static constexpr unsigned int NotSet = 0xcdcdcdcd;
using namespace D3DS;
// ------------------------------------------------------------------------------------------------
// Setup final material indices, generae a default material if necessary
// Setup final material indices, generate a default material if necessary
void Discreet3DSImporter::ReplaceDefaultMaterial() {
// Try to find an existing material that matches the
// typical default material setting:
// - no textures
// - diffuse color (in grey!)
// NOTE: This is here to workaround the fact that some
// NOTE: This is here to work-around the fact that some
// exporters are writing a default material, too.
unsigned int idx(NotSet);
for (unsigned int i = 0; i < mScene->mMaterials.size(); ++i) {
std::string s = mScene->mMaterials[i].mName;
auto s = mScene->mMaterials[i].mName;
for (char &it : s) {
it = static_cast<char>(::tolower(static_cast<unsigned char>(it)));
}
if (std::string::npos == s.find("default")) continue;
if (std::string::npos == s.find("default")) {
continue;
}
if (mScene->mMaterials[i].mDiffuse.r !=
mScene->mMaterials[i].mDiffuse.g ||
@ -85,25 +89,22 @@ void Discreet3DSImporter::ReplaceDefaultMaterial() {
idx = i;
}
if (NotSet == idx) {
idx = (unsigned int)mScene->mMaterials.size();
idx = static_cast<unsigned int>(mScene->mMaterials.size());
}
// now iterate through all meshes and through all faces and
// find all faces that are using the default material
unsigned int cnt = 0;
for (std::vector<D3DS::Mesh>::iterator
i = mScene->mMeshes.begin();
i != mScene->mMeshes.end(); ++i) {
for (std::vector<unsigned int>::iterator
a = (*i).mFaceMaterials.begin();
a != (*i).mFaceMaterials.end(); ++a) {
for (auto i = mScene->mMeshes.begin(); i != mScene->mMeshes.end(); ++i) {
for (auto a = i->mFaceMaterials.begin(); a != i->mFaceMaterials.end(); ++a) {
// NOTE: The additional check seems to be necessary,
// some exporters seem to generate invalid data here
if (0xcdcdcdcd == (*a)) {
(*a) = idx;
if (NotSet == *a) {
*a = idx;
++cnt;
} else if ((*a) >= mScene->mMaterials.size()) {
(*a) = idx;
*a = idx;
ASSIMP_LOG_WARN("Material index overflow in 3DS file. Using default material");
++cnt;
}
@ -111,7 +112,7 @@ void Discreet3DSImporter::ReplaceDefaultMaterial() {
}
if (cnt && idx == mScene->mMaterials.size()) {
// We need to create our own default material
D3DS::Material sMat("%%%DEFAULT");
Material sMat("%%%DEFAULT");
sMat.mDiffuse = aiColor3D(0.3f, 0.3f, 0.3f);
mScene->mMaterials.push_back(sMat);
@ -121,17 +122,17 @@ void Discreet3DSImporter::ReplaceDefaultMaterial() {
// ------------------------------------------------------------------------------------------------
// Check whether all indices are valid. Otherwise we'd crash before the validation step is reached
void Discreet3DSImporter::CheckIndices(D3DS::Mesh &sMesh) {
for (std::vector<D3DS::Face>::iterator i = sMesh.mFaces.begin(); i != sMesh.mFaces.end(); ++i) {
void Discreet3DSImporter::CheckIndices(Mesh &sMesh) {
for (auto i = sMesh.mFaces.begin(); i != sMesh.mFaces.end(); ++i) {
// check whether all indices are in range
for (unsigned int a = 0; a < 3; ++a) {
if ((*i).mIndices[a] >= sMesh.mPositions.size()) {
ASSIMP_LOG_WARN("3DS: Vertex index overflow)");
(*i).mIndices[a] = (uint32_t)sMesh.mPositions.size() - 1;
(*i).mIndices[a] = static_cast<uint32_t>(sMesh.mPositions.size() - 1);
}
if (!sMesh.mTexCoords.empty() && (*i).mIndices[a] >= sMesh.mTexCoords.size()) {
ASSIMP_LOG_WARN("3DS: Texture coordinate index overflow)");
(*i).mIndices[a] = (uint32_t)sMesh.mTexCoords.size() - 1;
(*i).mIndices[a] = static_cast<uint32_t>(sMesh.mTexCoords.size() - 1);
}
}
}
@ -139,7 +140,7 @@ void Discreet3DSImporter::CheckIndices(D3DS::Mesh &sMesh) {
// ------------------------------------------------------------------------------------------------
// Generate out unique verbose format representation
void Discreet3DSImporter::MakeUnique(D3DS::Mesh &sMesh) {
void Discreet3DSImporter::MakeUnique(Mesh &sMesh) {
// TODO: really necessary? I don't think. Just a waste of memory and time
// to do it now in a separate buffer.
@ -150,7 +151,7 @@ void Discreet3DSImporter::MakeUnique(D3DS::Mesh &sMesh) {
vNew2.resize(sMesh.mFaces.size() * 3);
for (unsigned int i = 0, base = 0; i < sMesh.mFaces.size(); ++i) {
D3DS::Face &face = sMesh.mFaces[i];
Face &face = sMesh.mFaces[i];
// Positions
for (unsigned int a = 0; a < 3; ++a, ++base) {
@ -167,10 +168,9 @@ void Discreet3DSImporter::MakeUnique(D3DS::Mesh &sMesh) {
// ------------------------------------------------------------------------------------------------
// Convert a 3DS texture to texture keys in an aiMaterial
void CopyTexture(aiMaterial &mat, D3DS::Texture &texture, aiTextureType type) {
void CopyTexture(aiMaterial &mat, Texture &texture, aiTextureType type) {
// Setup the texture name
aiString tex;
tex.Set(texture.mMapName);
aiString tex(texture.mMapName);
mat.AddProperty(&tex, AI_MATKEY_TEXTURE(type, 0));
// Setup the texture blend factor
@ -178,7 +178,7 @@ void CopyTexture(aiMaterial &mat, D3DS::Texture &texture, aiTextureType type) {
mat.AddProperty<ai_real>(&texture.mTextureBlend, 1, AI_MATKEY_TEXBLEND(type, 0));
// Setup the texture mapping mode
int mapMode = static_cast<int>(texture.mMapMode);
auto mapMode = static_cast<int>(texture.mMapMode);
mat.AddProperty<int>(&mapMode, 1, AI_MATKEY_MAPPINGMODE_U(type, 0));
mat.AddProperty<int>(&mapMode, 1, AI_MATKEY_MAPPINGMODE_V(type, 0));
@ -197,13 +197,11 @@ void CopyTexture(aiMaterial &mat, D3DS::Texture &texture, aiTextureType type) {
// ------------------------------------------------------------------------------------------------
// Convert a 3DS material to an aiMaterial
void Discreet3DSImporter::ConvertMaterial(D3DS::Material &oldMat,
aiMaterial &mat) {
void Discreet3DSImporter::ConvertMaterial(Material &oldMat, aiMaterial &mat) {
// NOTE: Pass the background image to the viewer by bypassing the
// material system. This is an evil hack, never do it again!
if (0 != mBackgroundImage.length() && bHasBG) {
aiString tex;
tex.Set(mBackgroundImage);
if (mBackgroundImage.empty() && bHasBG) {
aiString tex(mBackgroundImage);
mat.AddProperty(&tex, AI_MATKEY_GLOBAL_BACKGROUND_IMAGE);
// Be sure this is only done for the first material
@ -215,8 +213,7 @@ void Discreet3DSImporter::ConvertMaterial(D3DS::Material &oldMat,
oldMat.mAmbient.g += mClrAmbient.g;
oldMat.mAmbient.b += mClrAmbient.b;
aiString name;
name.Set(oldMat.mName);
aiString name(oldMat.mName);
mat.AddProperty(&name, AI_MATKEY_NAME);
// Material colors
@ -226,10 +223,9 @@ void Discreet3DSImporter::ConvertMaterial(D3DS::Material &oldMat,
mat.AddProperty(&oldMat.mEmissive, 1, AI_MATKEY_COLOR_EMISSIVE);
// Phong shininess and shininess strength
if (D3DS::Discreet3DS::Phong == oldMat.mShading ||
D3DS::Discreet3DS::Metal == oldMat.mShading) {
if (Discreet3DS::Phong == oldMat.mShading || Discreet3DS::Metal == oldMat.mShading) {
if (!oldMat.mSpecularExponent || !oldMat.mShininessStrength) {
oldMat.mShading = D3DS::Discreet3DS::Gouraud;
oldMat.mShading = Discreet3DS::Gouraud;
} else {
mat.AddProperty(&oldMat.mSpecularExponent, 1, AI_MATKEY_SHININESS);
mat.AddProperty(&oldMat.mShininessStrength, 1, AI_MATKEY_SHININESS_STRENGTH);
@ -251,40 +247,41 @@ void Discreet3DSImporter::ConvertMaterial(D3DS::Material &oldMat,
// Shading mode
aiShadingMode eShading = aiShadingMode_NoShading;
switch (oldMat.mShading) {
case D3DS::Discreet3DS::Flat:
case Discreet3DS::Flat:
eShading = aiShadingMode_Flat;
break;
// I don't know what "Wire" shading should be,
// assume it is simple lambertian diffuse shading
case D3DS::Discreet3DS::Wire: {
case Discreet3DS::Wire: {
// Set the wireframe flag
unsigned int iWire = 1;
mat.AddProperty<int>((int *)&iWire, 1, AI_MATKEY_ENABLE_WIREFRAME);
}
[[fallthrough]];
case D3DS::Discreet3DS::Gouraud:
case Discreet3DS::Gouraud:
eShading = aiShadingMode_Gouraud;
break;
// assume cook-torrance shading for metals.
case D3DS::Discreet3DS::Phong:
case Discreet3DS::Phong:
eShading = aiShadingMode_Phong;
break;
case D3DS::Discreet3DS::Metal:
case Discreet3DS::Metal:
eShading = aiShadingMode_CookTorrance;
break;
// FIX to workaround a warning with GCC 4 who complained
// about a missing case Blinn: here - Blinn isn't a valid
// value in the 3DS Loader, it is just needed for ASE
case D3DS::Discreet3DS::Blinn:
case Discreet3DS::Blinn:
eShading = aiShadingMode_Blinn;
break;
}
int eShading_ = static_cast<int>(eShading);
const int eShading_ = eShading;
mat.AddProperty<int>(&eShading_, 1, AI_MATKEY_SHADING_MODEL);
// DIFFUSE texture
@ -333,10 +330,11 @@ void Discreet3DSImporter::ConvertMeshes(aiScene *pcOut) {
aiString name;
// we need to split all meshes by their materials
for (std::vector<D3DS::Mesh>::iterator i = mScene->mMeshes.begin(); i != mScene->mMeshes.end(); ++i) {
for (auto i = mScene->mMeshes.begin(); i != mScene->mMeshes.end(); ++i) {
std::unique_ptr<std::vector<unsigned int>[]> aiSplit(new std::vector<unsigned int>[mScene->mMaterials.size()]);
name.length = ASSIMP_itoa10(name.data, num++);
name.length = ASSIMP_itoa10(name.data, num);
++num;
unsigned int iNum = 0;
for (std::vector<unsigned int>::const_iterator a = (*i).mFaceMaterials.begin();
@ -348,7 +346,7 @@ void Discreet3DSImporter::ConvertMeshes(aiScene *pcOut) {
if (aiSplit[p].empty()) {
continue;
}
aiMesh *meshOut = new aiMesh();
auto *meshOut = new aiMesh();
meshOut->mName = name;
meshOut->mPrimitiveTypes = aiPrimitiveType_TRIANGLE;
@ -360,7 +358,7 @@ void Discreet3DSImporter::ConvertMeshes(aiScene *pcOut) {
avOutMeshes.push_back(meshOut);
// convert vertices
meshOut->mNumFaces = (unsigned int)aiSplit[p].size();
meshOut->mNumFaces = static_cast<unsigned int>(aiSplit[p].size());
meshOut->mNumVertices = meshOut->mNumFaces * 3;
// allocate enough storage for faces
@ -408,8 +406,7 @@ void Discreet3DSImporter::ConvertMeshes(aiScene *pcOut) {
// ------------------------------------------------------------------------------------------------
// Add a node to the scenegraph and setup its final transformation
void Discreet3DSImporter::AddNodeToGraph(aiScene *pcSOut, aiNode *pcOut,
D3DS::Node *pcIn, aiMatrix4x4 & /*absTrafo*/) {
void Discreet3DSImporter::AddNodeToGraph(aiScene *pcSOut, aiNode *pcOut, D3DS::Node *pcIn, aiMatrix4x4 & /*absTrafo*/) {
std::vector<unsigned int> iArray;
iArray.reserve(3);
@ -417,7 +414,7 @@ void Discreet3DSImporter::AddNodeToGraph(aiScene *pcSOut, aiNode *pcOut,
// Find all meshes with the same name as the node
for (unsigned int a = 0; a < pcSOut->mNumMeshes; ++a) {
const D3DS::Mesh *pcMesh = (const D3DS::Mesh *)pcSOut->mMeshes[a]->mColors[0];
const auto *pcMesh = (const D3DS::Mesh *)pcSOut->mMeshes[a]->mColors[0];
ai_assert(nullptr != pcMesh);
if (pcIn->mName == pcMesh->mName)
@ -426,7 +423,7 @@ void Discreet3DSImporter::AddNodeToGraph(aiScene *pcSOut, aiNode *pcOut,
if (!iArray.empty()) {
// The matrix should be identical for all meshes with the
// same name. It HAS to be identical for all meshes .....
D3DS::Mesh *imesh = ((D3DS::Mesh *)pcSOut->mMeshes[iArray[0]]->mColors[0]);
auto *imesh = ((D3DS::Mesh *)pcSOut->mMeshes[iArray[0]]->mColors[0]);
// Compute the inverse of the transformation matrix to move the
// vertices back to their relative and local space
@ -435,7 +432,7 @@ void Discreet3DSImporter::AddNodeToGraph(aiScene *pcSOut, aiNode *pcOut,
mInvTransposed.Transpose();
aiVector3D pivot = pcIn->vPivot;
pcOut->mNumMeshes = (unsigned int)iArray.size();
pcOut->mNumMeshes = static_cast<unsigned int>(iArray.size());
pcOut->mMeshes = new unsigned int[iArray.size()];
for (unsigned int i = 0; i < iArray.size(); ++i) {
const unsigned int iIndex = iArray[i];
@ -454,7 +451,7 @@ void Discreet3DSImporter::AddNodeToGraph(aiScene *pcSOut, aiNode *pcOut,
// Handle negative transformation matrix determinant -> invert vertex x
if (imesh->mMat.Determinant() < 0.0f) {
/* we *must* have normals */
// we *must* have normals
for (pvCurrent = mesh->mVertices, t2 = mesh->mNormals; pvCurrent != pvEnd; ++pvCurrent, ++t2) {
pvCurrent->x *= -1.f;
t2->x *= -1.f;
@ -481,7 +478,7 @@ void Discreet3DSImporter::AddNodeToGraph(aiScene *pcSOut, aiNode *pcOut,
// Setup the name of the node
// First instance keeps its name otherwise something might break, all others will be postfixed with their instance number
if (pcIn->mInstanceNumber > 1) {
char tmp[12];
char tmp[12] = {'\0'};
ASSIMP_itoa10(tmp, pcIn->mInstanceNumber);
std::string tempStr = pcIn->mName + "_inst_";
tempStr += tmp;
@ -494,7 +491,7 @@ void Discreet3DSImporter::AddNodeToGraph(aiScene *pcSOut, aiNode *pcOut,
if (pcIn->aRotationKeys.size()) {
// FIX to get to Assimp's quaternion conventions
for (std::vector<aiQuatKey>::iterator it = pcIn->aRotationKeys.begin(); it != pcIn->aRotationKeys.end(); ++it) {
for (auto it = pcIn->aRotationKeys.begin(); it != pcIn->aRotationKeys.end(); ++it) {
(*it).mValue.w *= -1.f;
}
@ -606,11 +603,11 @@ void Discreet3DSImporter::AddNodeToGraph(aiScene *pcSOut, aiNode *pcOut,
}
// Allocate a new node anim and setup its name
aiNodeAnim *nda = anim->mChannels[anim->mNumChannels++] = new aiNodeAnim();
auto *nda = anim->mChannels[anim->mNumChannels++] = new aiNodeAnim();
nda->mNodeName.Set(pcIn->mName);
// POSITION keys
if (pcIn->aPositionKeys.size() > 0) {
if (!pcIn->aPositionKeys.empty()) {
nda->mNumPositionKeys = (unsigned int)pcIn->aPositionKeys.size();
nda->mPositionKeys = new aiVectorKey[nda->mNumPositionKeys];
::memcpy(nda->mPositionKeys, &pcIn->aPositionKeys[0],
@ -618,7 +615,7 @@ void Discreet3DSImporter::AddNodeToGraph(aiScene *pcSOut, aiNode *pcOut,
}
// ROTATION keys
if (pcIn->aRotationKeys.size() > 0) {
if (!pcIn->aRotationKeys.empty()) {
nda->mNumRotationKeys = (unsigned int)pcIn->aRotationKeys.size();
nda->mRotationKeys = new aiQuatKey[nda->mNumRotationKeys];
@ -634,7 +631,7 @@ void Discreet3DSImporter::AddNodeToGraph(aiScene *pcSOut, aiNode *pcOut,
}
// SCALING keys
if (pcIn->aScalingKeys.size() > 0) {
if (!pcIn->aScalingKeys.empty()) {
nda->mNumScalingKeys = (unsigned int)pcIn->aScalingKeys.size();
nda->mScalingKeys = new aiVectorKey[nda->mNumScalingKeys];
::memcpy(nda->mScalingKeys, &pcIn->aScalingKeys[0],
@ -643,7 +640,7 @@ void Discreet3DSImporter::AddNodeToGraph(aiScene *pcSOut, aiNode *pcOut,
}
// Allocate storage for children
const unsigned int size = static_cast<unsigned int>(pcIn->mChildren.size());
const auto size = static_cast<unsigned int>(pcIn->mChildren.size());
pcOut->mNumChildren = size;
if (size == 0) {
@ -653,7 +650,7 @@ void Discreet3DSImporter::AddNodeToGraph(aiScene *pcSOut, aiNode *pcOut,
pcOut->mChildren = new aiNode *[pcIn->mChildren.size()];
// Recursively process all children
for (unsigned int i = 0; i < size; ++i) {
pcOut->mChildren[i] = new aiNode();
pcOut->mChildren[i]->mParent = pcOut;
@ -686,7 +683,7 @@ void CountTracks(D3DS::Node *node, unsigned int &cnt) {
// Generate the output node graph
void Discreet3DSImporter::GenerateNodeGraph(aiScene *pcOut) {
pcOut->mRootNode = new aiNode();
if (0 == mRootNode->mChildren.size()) {
if (mRootNode->mChildren.empty()) {
//////////////////////////////////////////////////////////////////////////////
// It seems the file is so messed up that it has not even a hierarchy.
// generate a flat hiearachy which looks like this:
@ -708,7 +705,8 @@ void Discreet3DSImporter::GenerateNodeGraph(aiScene *pcOut) {
// Build dummy nodes for all meshes
unsigned int a = 0;
for (unsigned int i = 0; i < pcOut->mNumMeshes; ++i, ++a) {
aiNode *pcNode = pcOut->mRootNode->mChildren[a] = new aiNode();
pcOut->mRootNode->mChildren[a] = new aiNode();
auto *pcNode = pcOut->mRootNode->mChildren[a];
pcNode->mParent = pcOut->mRootNode;
pcNode->mMeshes = new unsigned int[1];
pcNode->mMeshes[0] = i;
@ -720,7 +718,7 @@ void Discreet3DSImporter::GenerateNodeGraph(aiScene *pcOut) {
// Build dummy nodes for all cameras
for (unsigned int i = 0; i < (unsigned int)mScene->mCameras.size(); ++i, ++a) {
aiNode *pcNode = pcOut->mRootNode->mChildren[a] = new aiNode();
auto *pcNode = pcOut->mRootNode->mChildren[a] = new aiNode();
pcNode->mParent = pcOut->mRootNode;
// Build a name for the node
@ -729,7 +727,7 @@ void Discreet3DSImporter::GenerateNodeGraph(aiScene *pcOut) {
// Build dummy nodes for all lights
for (unsigned int i = 0; i < (unsigned int)mScene->mLights.size(); ++i, ++a) {
aiNode *pcNode = pcOut->mRootNode->mChildren[a] = new aiNode();
auto *pcNode = pcOut->mRootNode->mChildren[a] = new aiNode();
pcNode->mParent = pcOut->mRootNode;
// Build a name for the node
@ -745,7 +743,7 @@ void Discreet3DSImporter::GenerateNodeGraph(aiScene *pcOut) {
// Allocate a primary animation channel
pcOut->mNumAnimations = 1;
pcOut->mAnimations = new aiAnimation *[1];
aiAnimation *anim = pcOut->mAnimations[0] = new aiAnimation();
auto *anim = pcOut->mAnimations[0] = new aiAnimation();
anim->mName.Set("3DSMasterAnim");
@ -783,12 +781,12 @@ void Discreet3DSImporter::GenerateNodeGraph(aiScene *pcOut) {
// Convert all meshes in the scene and generate the final output scene.
void Discreet3DSImporter::ConvertScene(aiScene *pcOut) {
// Allocate enough storage for all output materials
pcOut->mNumMaterials = (unsigned int)mScene->mMaterials.size();
pcOut->mNumMaterials = static_cast<unsigned int>(mScene->mMaterials.size());
pcOut->mMaterials = new aiMaterial *[pcOut->mNumMaterials];
// ... and convert the 3DS materials to aiMaterial's
for (unsigned int i = 0; i < pcOut->mNumMaterials; ++i) {
aiMaterial *pcNew = new aiMaterial();
auto *pcNew = new aiMaterial();
ConvertMaterial(mScene->mMaterials[i], *pcNew);
pcOut->mMaterials[i] = pcNew;
}
@ -797,17 +795,17 @@ void Discreet3DSImporter::ConvertScene(aiScene *pcOut) {
ConvertMeshes(pcOut);
// Now copy all light sources to the output scene
pcOut->mNumLights = (unsigned int)mScene->mLights.size();
pcOut->mNumLights = static_cast<unsigned int>(mScene->mLights.size());
if (pcOut->mNumLights) {
pcOut->mLights = new aiLight *[pcOut->mNumLights];
::memcpy(pcOut->mLights, &mScene->mLights[0], sizeof(void *) * pcOut->mNumLights);
memcpy(pcOut->mLights, &mScene->mLights[0], sizeof(void *) * pcOut->mNumLights);
}
// Now copy all cameras to the output scene
pcOut->mNumCameras = (unsigned int)mScene->mCameras.size();
pcOut->mNumCameras = static_cast<unsigned int>(mScene->mCameras.size());
if (pcOut->mNumCameras) {
pcOut->mCameras = new aiCamera *[pcOut->mNumCameras];
::memcpy(pcOut->mCameras, &mScene->mCameras[0], sizeof(void *) * pcOut->mNumCameras);
memcpy(pcOut->mCameras, &mScene->mCameras[0], sizeof(void *) * pcOut->mNumCameras);
}
}