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Merge branch '3mf_basematerial_support' of https://github.com/assimp/assimp into 3mf_basematerial_support

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This commit is contained in:
Kim Kulling
2018-03-12 22:28:53 +01:00
parent c7ac32f891 a3ad45f3b3
commit c5c0052a6c
25 changed files with 336 additions and 77 deletions
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2
code/3DSLoader.cpp
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@@ -349,7 +349,7 @@ void Discreet3DSImporter::ParseObjectChunk()
case Discreet3DS::CHUNK_MAT_MATERIAL:
// Add a new material to the list
mScene->mMaterials.push_back(D3DS::Material(std::string("UNNAMED_" + std::to_string(mScene->mMaterials.size()))));
mScene->mMaterials.push_back(D3DS::Material(std::string("UNNAMED_" + to_string(mScene->mMaterials.size()))));
ParseMaterialChunk();
break;

1
code/CMakeLists.txt
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@@ -72,6 +72,7 @@ SET( PUBLIC_HEADERS
${HEADER_PATH}/matrix4x4.h
${HEADER_PATH}/matrix4x4.inl
${HEADER_PATH}/mesh.h
${HEADER_PATH}/pbrmaterial.h
${HEADER_PATH}/postprocess.h
${HEADER_PATH}/quaternion.h
${HEADER_PATH}/quaternion.inl

6
code/ColladaLoader.cpp
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@@ -131,6 +131,7 @@ void ColladaLoader::SetupProperties(const Importer* pImp)
{
noSkeletonMesh = pImp->GetPropertyInteger(AI_CONFIG_IMPORT_NO_SKELETON_MESHES,0) != 0;
ignoreUpDirection = pImp->GetPropertyInteger(AI_CONFIG_IMPORT_COLLADA_IGNORE_UP_DIRECTION,0) != 0;
useColladaName = pImp->GetPropertyInteger(AI_CONFIG_IMPORT_COLLADA_USE_COLLADA_NAMES,0) != 0;
}
// ------------------------------------------------------------------------------------------------
@@ -1913,6 +1914,11 @@ const Collada::Node* ColladaLoader::FindNodeBySID( const Collada::Node* pNode, c
// The name must be unique for proper node-bone association.
std::string ColladaLoader::FindNameForNode( const Collada::Node* pNode)
{
// If explicitly requested, just use the collada name.
if (useColladaName) {
return pNode->mName;
}
// Now setup the name of the assimp node. The collada name might not be
// unique, so we use the collada ID.
if (!pNode->mID.empty())

1
code/ColladaLoader.h
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@@ -248,6 +248,7 @@ protected:
bool noSkeletonMesh;
bool ignoreUpDirection;
bool useColladaName;
/** Used by FindNameForNode() to generate unique node names */
unsigned int mNodeNameCounter;

8
code/FBXExporter.cpp
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@@ -235,9 +235,6 @@ void FBXExporter::WriteBinaryFooter()
outfile->Write(NULL_RECORD.c_str(), NULL_RECORD.size(), 1);
outfile->Write(GENERIC_FOOTID.c_str(), GENERIC_FOOTID.size(), 1);
for (size_t i = 0; i < 4; ++i) {
outfile->Write("\x00", 1, 1);
}
// here some padding is added for alignment to 16 bytes.
// if already aligned, the full 16 bytes is added.
@@ -247,6 +244,11 @@ void FBXExporter::WriteBinaryFooter()
outfile->Write("\x00", 1, 1);
}
// not sure what this is, but it seems to always be 0 in modern files
for (size_t i = 0; i < 4; ++i) {
outfile->Write("\x00", 1, 1);
}
// now the file version again
{
StreamWriterLE outstream(outfile);

9
code/FBXMaterial.cpp
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@@ -54,6 +54,8 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include "FBXProperties.h"
#include <assimp/ByteSwapper.h>
#include <algorithm> // std::transform
namespace Assimp {
namespace FBX {
@@ -82,11 +84,12 @@ Material::Material(uint64_t id, const Element& element, const Document& doc, con
std::string templateName;
const char* const sh = shading.c_str();
if(!strcmp(sh,"phong")) {
// lower-case shading because Blender (for example) writes "Phong"
std::transform(shading.begin(), shading.end(), shading.begin(), ::tolower);
if(shading == "phong") {
templateName = "Material.FbxSurfacePhong";
}
else if(!strcmp(sh,"lambert")) {
else if(shading == "lambert") {
templateName = "Material.FbxSurfaceLambert";
}
else {

5
code/ObjFileMtlImporter.cpp
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@@ -303,11 +303,12 @@ void ObjFileMtlImporter::createMaterial()
// New Material created
m_pModel->m_pCurrentMaterial = new ObjFile::Material();
m_pModel->m_pCurrentMaterial->MaterialName.Set( name );
m_pModel->m_MaterialLib.push_back( name );
m_pModel->m_MaterialMap[ name ] = m_pModel->m_pCurrentMaterial;
if (m_pModel->m_pCurrentMesh) {
m_pModel->m_pCurrentMesh->m_uiMaterialIndex = static_cast<unsigned int>(m_pModel->m_MaterialLib.size() - 1);
}
m_pModel->m_MaterialLib.push_back( name );
m_pModel->m_MaterialMap[ name ] = m_pModel->m_pCurrentMaterial;
} else {
// Use older material
m_pModel->m_pCurrentMaterial = (*it).second;

23
code/PlyLoader.cpp
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@@ -245,28 +245,7 @@ void PLYImporter::InternReadFile(const std::string& pFile, aiScene* pScene, IOSy
// list is containing a list of points
bool pointsOnly = mGeneratedMesh->mFaces == NULL ? true : false;
if (pointsOnly) {
if (mGeneratedMesh->mNumVertices < 3) {
if (mGeneratedMesh != NULL) {
delete(mGeneratedMesh);
mGeneratedMesh = nullptr;
}
streamedBuffer.close();
throw DeadlyImportError("Invalid .ply file: Not enough "
"vertices to build a proper face list. ");
}
const unsigned int iNum = (unsigned int)mGeneratedMesh->mNumVertices / 3;
mGeneratedMesh->mNumFaces = iNum;
mGeneratedMesh->mFaces = new aiFace[mGeneratedMesh->mNumFaces];
for (unsigned int i = 0; i < iNum; ++i) {
mGeneratedMesh->mFaces[i].mNumIndices = 3;
mGeneratedMesh->mFaces[i].mIndices = new unsigned int[3];
mGeneratedMesh->mFaces[i].mIndices[0] = (i * 3);
mGeneratedMesh->mFaces[i].mIndices[1] = (i * 3) + 1;
mGeneratedMesh->mFaces[i].mIndices[2] = (i * 3) + 2;
}
mGeneratedMesh->mPrimitiveTypes = aiPrimitiveType::aiPrimitiveType_POINT;
}
// now load a list of all materials

68
code/PlyParser.cpp
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@@ -1043,71 +1043,91 @@ bool PLY::PropertyInstance::ParseValueBinary(IOStreamBuffer<char> &streamBuffer,
switch (eType)
{
case EDT_UInt:
out->iUInt = (uint32_t)*((uint32_t*)pCur);
pCur += 4;
{
uint32_t t;
memcpy(&t, pCur, sizeof(uint32_t));
pCur += sizeof(uint32_t);
// Swap endianness
if (p_bBE)ByteSwap::Swap((int32_t*)&out->iUInt);
if (p_bBE)ByteSwap::Swap(&t);
out->iUInt = t;
break;
}
case EDT_UShort:
{
uint16_t i = *((uint16_t*)pCur);
uint16_t t;
memcpy(&t, pCur, sizeof(uint16_t));
pCur += sizeof(uint16_t);
// Swap endianness
if (p_bBE)ByteSwap::Swap(&i);
out->iUInt = (uint32_t)i;
pCur += 2;
if (p_bBE)ByteSwap::Swap(&t);
out->iUInt = t;
break;
}
case EDT_UChar:
{
out->iUInt = (uint32_t)(*((uint8_t*)pCur));
pCur++;
uint8_t t;
memcpy(&t, pCur, sizeof(uint8_t));
pCur += sizeof(uint8_t);
out->iUInt = t;
break;
}
case EDT_Int:
out->iInt = *((int32_t*)pCur);
pCur += 4;
{
int32_t t;
memcpy(&t, pCur, sizeof(int32_t));
pCur += sizeof(int32_t);
// Swap endianness
if (p_bBE)ByteSwap::Swap(&out->iInt);
if (p_bBE)ByteSwap::Swap(&t);
out->iInt = t;
break;
}
case EDT_Short:
{
int16_t i = *((int16_t*)pCur);
int16_t t;
memcpy(&t, pCur, sizeof(int16_t));
pCur += sizeof(int16_t);
// Swap endianness
if (p_bBE)ByteSwap::Swap(&i);
out->iInt = (int32_t)i;
pCur += 2;
if (p_bBE)ByteSwap::Swap(&t);
out->iInt = t;
break;
}
case EDT_Char:
out->iInt = (int32_t)*((int8_t*)pCur);
pCur++;
{
int8_t t;
memcpy(&t, pCur, sizeof(int8_t));
pCur += sizeof(int8_t);
out->iInt = t;
break;
}
case EDT_Float:
{
out->fFloat = *((float*)pCur);
float t;
memcpy(&t, pCur, sizeof(float));
pCur += sizeof(float);
// Swap endianness
if (p_bBE)ByteSwap::Swap((int32_t*)&out->fFloat);
pCur += 4;
if (p_bBE)ByteSwap::Swap(&t);
out->fFloat = t;
break;
}
case EDT_Double:
{
out->fDouble = *((double*)pCur);
double t;
memcpy(&t, pCur, sizeof(double));
pCur += sizeof(double);
// Swap endianness
if (p_bBE)ByteSwap::Swap((int64_t*)&out->fDouble);
pCur += 8;
if (p_bBE)ByteSwap::Swap(&t);
out->fDouble = t;
break;
}
default:

8
code/STLExporter.cpp
View File

@@ -172,12 +172,16 @@ void STLExporter :: WriteMeshBinary(const aiMesh* m)
}
nor.Normalize();
}
ai_real nx = nor.x, ny = nor.y, nz = nor.z;
// STL binary files use 4-byte floats. This may possibly cause loss of precision
// for clients using 8-byte doubles
float nx = (float) nor.x;
float ny = (float) nor.y;
float nz = (float) nor.z;
AI_SWAP4(nx); AI_SWAP4(ny); AI_SWAP4(nz);
mOutput.write((char *)&nx, 4); mOutput.write((char *)&ny, 4); mOutput.write((char *)&nz, 4);
for(unsigned int a = 0; a < f.mNumIndices; ++a) {
const aiVector3D& v = m->mVertices[f.mIndices[a]];
ai_real vx = v.x, vy = v.y, vz = v.z;
float vx = (float) v.x, vy = (float) v.y, vz = (float) v.z;
AI_SWAP4(vx); AI_SWAP4(vy); AI_SWAP4(vz);
mOutput.write((char *)&vx, 4); mOutput.write((char *)&vy, 4); mOutput.write((char *)&vz, 4);
}

15
code/glTF2Asset.inl
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@@ -669,7 +669,7 @@ inline Image::Image()
}
inline void Image::Read(Value& obj, Asset& /*r*/)
inline void Image::Read(Value& obj, Asset& r)
{
if (!mDataLength) {
if (Value* uri = FindString(obj, "uri")) {
@@ -686,6 +686,19 @@ inline void Image::Read(Value& obj, Asset& /*r*/)
this->uri = uristr;
}
}
else if (Value* bufferViewVal = FindUInt(obj, "bufferView")) {
this->bufferView = r.bufferViews.Retrieve(bufferViewVal->GetUint());
Ref<Buffer> buffer = this->bufferView->buffer;
this->mDataLength = this->bufferView->byteLength;
// maybe this memcpy could be avoided if aiTexture does not delete[] pcData at destruction.
this->mData = new uint8_t [this->mDataLength];
memcpy(this->mData, buffer->GetPointer() + this->bufferView->byteOffset, this->mDataLength);
if (Value* mtype = FindString(obj, "mimeType")) {
this->mimeType = mtype->GetString();
}
}
}
}

16
code/glTFAsset.inl
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@@ -948,24 +948,24 @@ Ref<Buffer> buf = pAsset_Root.buffers.Get(pCompression_Open3DGC.Buffer);
size_t size_coordindex = ifs.GetNCoordIndex() * 3;// See float attributes note.
if(primitives[0].indices->count != size_coordindex)
throw DeadlyImportError("GLTF: Open3DGC. Compressed indices count (" + std::to_string(size_coordindex) +
") not equal to uncompressed (" + std::to_string(primitives[0].indices->count) + ").");
throw DeadlyImportError("GLTF: Open3DGC. Compressed indices count (" + to_string(size_coordindex) +
") not equal to uncompressed (" + to_string(primitives[0].indices->count) + ").");
size_coordindex *= sizeof(IndicesType);
// Coordinates
size_t size_coord = ifs.GetNCoord();// See float attributes note.
if(primitives[0].attributes.position[0]->count != size_coord)
throw DeadlyImportError("GLTF: Open3DGC. Compressed positions count (" + std::to_string(size_coord) +
") not equal to uncompressed (" + std::to_string(primitives[0].attributes.position[0]->count) + ").");
throw DeadlyImportError("GLTF: Open3DGC. Compressed positions count (" + to_string(size_coord) +
") not equal to uncompressed (" + to_string(primitives[0].attributes.position[0]->count) + ").");
size_coord *= 3 * sizeof(float);
// Normals
size_t size_normal = ifs.GetNNormal();// See float attributes note.
if(primitives[0].attributes.normal[0]->count != size_normal)
throw DeadlyImportError("GLTF: Open3DGC. Compressed normals count (" + std::to_string(size_normal) +
") not equal to uncompressed (" + std::to_string(primitives[0].attributes.normal[0]->count) + ").");
throw DeadlyImportError("GLTF: Open3DGC. Compressed normals count (" + to_string(size_normal) +
") not equal to uncompressed (" + to_string(primitives[0].attributes.normal[0]->count) + ").");
size_normal *= 3 * sizeof(float);
// Additional attributes.
@@ -989,8 +989,8 @@ Ref<Buffer> buf = pAsset_Root.buffers.Get(pCompression_Open3DGC.Buffer);
if(idx_texcoord < primitives[0].attributes.texcoord.size())
{
if(primitives[0].attributes.texcoord[idx]->count != tval)
throw DeadlyImportError("GLTF: Open3DGC. Compressed texture coordinates count (" + std::to_string(tval) +
") not equal to uncompressed (" + std::to_string(primitives[0].attributes.texcoord[idx]->count) + ").");
throw DeadlyImportError("GLTF: Open3DGC. Compressed texture coordinates count (" + to_string(tval) +
") not equal to uncompressed (" + to_string(primitives[0].attributes.texcoord[idx]->count) + ").");
idx_texcoord++;
}

11
code/glTFImporter.cpp
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@@ -194,9 +194,16 @@ void glTFImporter::ImportMaterials(glTF::Asset& r)
aimat->AddProperty(&str, AI_MATKEY_NAME);
}
SetMaterialColorProperty(embeddedTexIdxs, r, mat.diffuse, aimat, aiTextureType_DIFFUSE, AI_MATKEY_COLOR_DIFFUSE);
SetMaterialColorProperty(embeddedTexIdxs, r, mat.ambient, aimat, aiTextureType_AMBIENT, AI_MATKEY_COLOR_AMBIENT );
SetMaterialColorProperty(embeddedTexIdxs, r, mat.diffuse, aimat, aiTextureType_DIFFUSE, AI_MATKEY_COLOR_DIFFUSE );
SetMaterialColorProperty(embeddedTexIdxs, r, mat.specular, aimat, aiTextureType_SPECULAR, AI_MATKEY_COLOR_SPECULAR);
SetMaterialColorProperty(embeddedTexIdxs, r, mat.ambient, aimat, aiTextureType_AMBIENT, AI_MATKEY_COLOR_AMBIENT);
SetMaterialColorProperty(embeddedTexIdxs, r, mat.emission, aimat, aiTextureType_EMISSIVE, AI_MATKEY_COLOR_EMISSIVE);
aimat->AddProperty(&mat.doubleSided, 1, AI_MATKEY_TWOSIDED);
if (mat.transparent && (mat.transparency != 1.0f)) {
aimat->AddProperty(&mat.transparency, 1, AI_MATKEY_OPACITY);
}
if (mat.shininess > 0.f) {
aimat->AddProperty(&mat.shininess, 1, AI_MATKEY_SHININESS);