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closes https://github.com/assimp/assimp/issues/3398: Add support for embedded textures

pull/4029/head
Kim Kulling 2021-08-12 21:13:07 +02:00
parent a96e7e6e2b
commit 4b1ff645e3
18 changed files with 1006 additions and 597 deletions
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11
code/AssetLib/3DS/3DSConverter.cpp
View File

@ -68,8 +68,8 @@ void Discreet3DSImporter::ReplaceDefaultMaterial() {
unsigned int idx(NotSet);
for (unsigned int i = 0; i < mScene->mMaterials.size(); ++i) {
std::string s = mScene->mMaterials[i].mName;
for (std::string::iterator it = s.begin(); it != s.end(); ++it) {
*it = static_cast<char>(::tolower(static_cast<unsigned char>(*it)));
for (char & it : s) {
it = static_cast<char>(::tolower(static_cast<unsigned char>(it)));
}
if (std::string::npos == s.find("default")) continue;
@ -79,12 +79,7 @@ void Discreet3DSImporter::ReplaceDefaultMaterial() {
mScene->mMaterials[i].mDiffuse.r !=
mScene->mMaterials[i].mDiffuse.b) continue;
if (mScene->mMaterials[i].sTexDiffuse.mMapName.length() != 0 ||
mScene->mMaterials[i].sTexBump.mMapName.length() != 0 ||
mScene->mMaterials[i].sTexOpacity.mMapName.length() != 0 ||
mScene->mMaterials[i].sTexEmissive.mMapName.length() != 0 ||
mScene->mMaterials[i].sTexSpecular.mMapName.length() != 0 ||
mScene->mMaterials[i].sTexShininess.mMapName.length() != 0) {
if (ContainsTextures(i)) {
continue;
}
idx = i;

9
code/AssetLib/3DS/3DSLoader.h
View File

@ -208,6 +208,15 @@ protected:
*/
void ReplaceDefaultMaterial();
bool ContainsTextures(unsigned int i) const {
return mScene->mMaterials[i].sTexDiffuse.mMapName.length() != 0 ||
mScene->mMaterials[i].sTexBump.mMapName.length() != 0 ||
mScene->mMaterials[i].sTexOpacity.mMapName.length() != 0 ||
mScene->mMaterials[i].sTexEmissive.mMapName.length() != 0 ||
mScene->mMaterials[i].sTexSpecular.mMapName.length() != 0 ||
mScene->mMaterials[i].sTexShininess.mMapName.length() != 0;
}
// -------------------------------------------------------------------
/** Convert the whole scene
*/

125
code/AssetLib/3MF/3MFTypes.h 100644
View File

@ -0,0 +1,125 @@
#pragma once
#include <assimp/vector3.h>
#include <assimp/matrix4x4.h>
#include <assimp/ParsingUtils.h>
#include <vector>
#include <string>
struct aiMaterial;
struct aiMesh;
namespace Assimp {
namespace D3MF {
enum class ResourceType {
RT_Object,
RT_BaseMaterials,
RT_EmbeddedTexture2D,
RT_Texture2DGroup,
RT_Unknown
}; // To be extended with other resource types (eg. material extension resources like Texture2d, Texture2dGroup...)
class Resource {
public:
int mId;
Resource(int id) :
mId(id) {
// empty
}
virtual ~Resource() {
// empty
}
virtual ResourceType getType() const {
return ResourceType::RT_Unknown;
}
};
class EmbeddedTexture : public Resource {
public:
std::string mPath;
std::string mContentType;
std::string mTilestyleU;
std::string mTilestyleV;
std::vector<char> mBuffer;
EmbeddedTexture(int id) :
Resource(id),
mPath(),
mContentType(),
mTilestyleU(),
mTilestyleV() {
// empty
}
~EmbeddedTexture() = default;
ResourceType getType() const override {
return ResourceType::RT_EmbeddedTexture2D;
}
};
class Texture2DGroup : public Resource {
public:
std::vector<aiVector2D> mTex2dCoords;
int mTexId;
Texture2DGroup(int id) :
Resource(id),
mTexId(-1) {
// empty
}
~Texture2DGroup() = default;
ResourceType getType() const override {
return ResourceType::RT_Texture2DGroup;
}
};
class BaseMaterials : public Resource {
public:
std::vector<unsigned int> mMaterialIndex;
BaseMaterials(int id) :
Resource(id),
mMaterialIndex() {
// empty
}
~BaseMaterials() = default;
ResourceType getType() const override {
return ResourceType::RT_BaseMaterials;
}
};
struct Component {
int mObjectId;
aiMatrix4x4 mTransformation;
};
class Object : public Resource {
public:
std::vector<aiMesh *> mMeshes;
std::vector<unsigned int> mMeshIndex;
std::vector<Component> mComponents;
std::string mName;
Object(int id) :
Resource(id),
mName(std::string("Object_") + ai_to_string(id)) {
// empty
}
~Object() = default;
ResourceType getType() const override {
return ResourceType::RT_Object;
}
};
} // namespace D3MF
} // namespace Assimp

10
code/AssetLib/3MF/3MFXmlTags.h
View File

@ -80,13 +80,21 @@ namespace XmlTag {
const char* const item = "item";
const char* const objectid = "objectid";
const char* const transform = "transform";
const char *const path = "path";
// Material definitions
const char* const basematerials = "basematerials";
const char* const basematerials_id = "id";
const char* const basematerials_base = "base";
const char* const basematerials_name = "name";
const char* const basematerials_displaycolor = "displaycolor";
const char* const texture_2d = "m:texture2d";
const char *const texture_group = "m:texture2dgroup";
const char *const texture_content_type = "contenttype";
const char *const texture_tilestyleu = "tilestyleu";
const char *const texture_tilestylev = "tilestylev";
const char *const texture_2d_coord = "m:tex2coord";
const char *const texture_cuurd_u = "u";
const char *const texture_cuurd_v = "v";
// Meta info tags
const char* const CONTENT_TYPES_ARCHIVE = "[Content_Types].xml";

524
code/AssetLib/3MF/D3MFImporter.cpp
View File

@ -44,6 +44,7 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include "D3MFImporter.h"
#include "3MFXmlTags.h"
#include "D3MFOpcPackage.h"
#include "XmlSerializer.h"
#include <assimp/StringComparison.h>
#include <assimp/StringUtils.h>
@ -61,513 +62,9 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include <string>
#include <vector>
#include <iomanip>
#include <string.h>
#include <cstring>
namespace Assimp {
namespace D3MF {
enum class ResourceType {
RT_Object,
RT_BaseMaterials,
RT_Unknown
}; // To be extended with other resource types (eg. material extension resources like Texture2d, Texture2dGroup...)
class Resource {
public:
int mId;
Resource(int id) :
mId(id) {
// empty
}
virtual ~Resource() {
// empty
}
virtual ResourceType getType() const {
return ResourceType::RT_Unknown;
}
};
class BaseMaterials : public Resource {
public:
std::vector<aiMaterial *> mMaterials;
std::vector<unsigned int> mMaterialIndex;
BaseMaterials(int id) :
Resource(id),
mMaterials(),
mMaterialIndex() {
// empty
}
~BaseMaterials() = default;
ResourceType getType() const override {
return ResourceType::RT_BaseMaterials;
}
};
struct Component {
int mObjectId;
aiMatrix4x4 mTransformation;
};
class Object : public Resource {
public:
std::vector<aiMesh *> mMeshes;
std::vector<unsigned int> mMeshIndex;
std::vector<Component> mComponents;
std::string mName;
Object(int id) :
Resource(id),
mName(std::string("Object_") + ai_to_string(id)) {
// empty
}
~Object() = default;
ResourceType getType() const override {
return ResourceType::RT_Object;
}
};
class XmlSerializer {
public:
XmlSerializer(XmlParser *xmlParser) :
mResourcesDictionnary(),
mMaterialCount(0),
mMeshCount(0),
mXmlParser(xmlParser) {
// empty
}
~XmlSerializer() {
for (auto it = mResourcesDictionnary.begin(); it != mResourcesDictionnary.end(); ++it ) {
delete it->second;
}
}
void ImportXml(aiScene *scene) {
if (nullptr == scene) {
return;
}
scene->mRootNode = new aiNode(XmlTag::RootTag);
XmlNode node = mXmlParser->getRootNode().child(XmlTag::model);
if (node.empty()) {
return;
}
XmlNode resNode = node.child(XmlTag::resources);
for (auto &currentNode : resNode.children()) {
const std::string currentNodeName = currentNode.name();
if (currentNodeName == XmlTag::object) {
ReadObject(currentNode);
} else if (currentNodeName == XmlTag::basematerials) {
ReadBaseMaterials(currentNode);
} else if (currentNodeName == XmlTag::meta) {
ReadMetadata(currentNode);
}
}
XmlNode buildNode = node.child(XmlTag::build);
for (auto &currentNode : buildNode.children()) {
const std::string currentNodeName = currentNode.name();
if (currentNodeName == XmlTag::item) {
int objectId = -1;
std::string transformationMatrixStr;
aiMatrix4x4 transformationMatrix;
getNodeAttribute(currentNode, D3MF::XmlTag::objectid, objectId);
bool hasTransform = getNodeAttribute(currentNode, D3MF::XmlTag::transform, transformationMatrixStr);
auto it = mResourcesDictionnary.find(objectId);
if (it != mResourcesDictionnary.end() && it->second->getType() == ResourceType::RT_Object) {
Object *obj = static_cast<Object *>(it->second);
if (hasTransform) {
transformationMatrix = parseTransformMatrix(transformationMatrixStr);
}
addObjectToNode(scene->mRootNode, obj, transformationMatrix);
}
}
}
// import the metadata
if (!mMetaData.empty()) {
const size_t numMeta = mMetaData.size();
scene->mMetaData = aiMetadata::Alloc(static_cast<unsigned int>(numMeta));
for (size_t i = 0; i < numMeta; ++i) {
aiString val(mMetaData[i].value);
scene->mMetaData->Set(static_cast<unsigned int>(i), mMetaData[i].name, val);
}
}
// import the meshes
scene->mNumMeshes = static_cast<unsigned int>(mMeshCount);
if (scene->mNumMeshes != 0) {
scene->mMeshes = new aiMesh *[scene->mNumMeshes]();
for (auto it = mResourcesDictionnary.begin(); it != mResourcesDictionnary.end(); ++it) {
if (it->second->getType() == ResourceType::RT_Object) {
Object *obj = static_cast<Object *>(it->second);
ai_assert(nullptr != obj);
for (unsigned int i = 0; i < obj->mMeshes.size(); ++i) {
scene->mMeshes[obj->mMeshIndex[i]] = obj->mMeshes[i];
}
}
}
}
// import the materials
scene->mNumMaterials = mMaterialCount;
if (scene->mNumMaterials != 0) {
scene->mMaterials = new aiMaterial *[scene->mNumMaterials];
for (auto it = mResourcesDictionnary.begin(); it != mResourcesDictionnary.end(); ++it) {
if (it->second->getType() == ResourceType::RT_BaseMaterials) {
BaseMaterials *baseMaterials = static_cast<BaseMaterials *>(it->second);
for (unsigned int i = 0; i < baseMaterials->mMaterials.size(); ++i) {
scene->mMaterials[baseMaterials->mMaterialIndex[i]] = baseMaterials->mMaterials[i];
}
}
}
}
}
private:
void addObjectToNode(aiNode *parent, Object *obj, aiMatrix4x4 nodeTransform) {
ai_assert(nullptr != obj);
aiNode *sceneNode = new aiNode(obj->mName);
sceneNode->mNumMeshes = static_cast<unsigned int>(obj->mMeshes.size());
sceneNode->mMeshes = new unsigned int[sceneNode->mNumMeshes];
std::copy(obj->mMeshIndex.begin(), obj->mMeshIndex.end(), sceneNode->mMeshes);
sceneNode->mTransformation = nodeTransform;
if (nullptr != parent) {
parent->addChildren(1, &sceneNode);
}
for (size_t i = 0; i < obj->mComponents.size(); ++i) {
Component c = obj->mComponents[i];
auto it = mResourcesDictionnary.find(c.mObjectId);
if (it != mResourcesDictionnary.end() && it->second->getType() == ResourceType::RT_Object) {
addObjectToNode(sceneNode, static_cast<Object *>(it->second), c.mTransformation);
}
}
}
bool getNodeAttribute(const XmlNode &node, const std::string &attribute, std::string &value) {
pugi::xml_attribute objectAttribute = node.attribute(attribute.c_str());
if (!objectAttribute.empty()) {
value = objectAttribute.as_string();
return true;
}
return false;
}
bool getNodeAttribute(const XmlNode &node, const std::string &attribute, int &value) {
std::string strValue;
bool ret = getNodeAttribute(node, attribute, strValue);
if (ret) {
value = std::atoi(strValue.c_str());
return true;
}
return false;
}
aiMatrix4x4 parseTransformMatrix(std::string matrixStr) {
// split the string
std::vector<float> numbers;
std::string currentNumber;
for (size_t i = 0; i < matrixStr.size(); ++i) {
const char c = matrixStr[i];
if (c == ' ') {
if (currentNumber.size() > 0) {
float f = std::stof(currentNumber);
numbers.push_back(f);
currentNumber.clear();
}
} else {
currentNumber.push_back(c);
}
}
if (currentNumber.size() > 0) {
const float f = std::stof(currentNumber);
numbers.push_back(f);
}
aiMatrix4x4 transformMatrix;
transformMatrix.a1 = numbers[0];
transformMatrix.b1 = numbers[1];
transformMatrix.c1 = numbers[2];
transformMatrix.d1 = 0;
transformMatrix.a2 = numbers[3];
transformMatrix.b2 = numbers[4];
transformMatrix.c2 = numbers[5];
transformMatrix.d2 = 0;
transformMatrix.a3 = numbers[6];
transformMatrix.b3 = numbers[7];
transformMatrix.c3 = numbers[8];
transformMatrix.d3 = 0;
transformMatrix.a4 = numbers[9];
transformMatrix.b4 = numbers[10];
transformMatrix.c4 = numbers[11];
transformMatrix.d4 = 1;
return transformMatrix;
}
void ReadObject(XmlNode &node) {
int id = -1, pid = -1, pindex = -1;
bool hasId = getNodeAttribute(node, XmlTag::id, id);
bool hasPid = getNodeAttribute(node, XmlTag::pid, pid);
bool hasPindex = getNodeAttribute(node, XmlTag::pindex, pindex);
if (!hasId) {
return;
}
Object *obj = new Object(id);
for (XmlNode &currentNode : node.children()) {
const std::string &currentName = currentNode.name();
if (currentName == D3MF::XmlTag::mesh) {
auto mesh = ReadMesh(currentNode);
mesh->mName.Set(ai_to_string(id));
if (hasPid) {
auto it = mResourcesDictionnary.find(pid);
if (hasPindex && it != mResourcesDictionnary.end() && it->second->getType() == ResourceType::RT_BaseMaterials) {
BaseMaterials *materials = static_cast<BaseMaterials *>(it->second);
mesh->mMaterialIndex = materials->mMaterialIndex[pindex];
}
}
obj->mMeshes.push_back(mesh);
obj->mMeshIndex.push_back(mMeshCount);
mMeshCount++;
} else if (currentName == D3MF::XmlTag::components) {
for (XmlNode &currentSubNode : currentNode.children()) {
const std::string subNodeName = currentSubNode.name();
if (subNodeName == D3MF::XmlTag::component) {
int objectId = -1;
std::string componentTransformStr;
aiMatrix4x4 componentTransform;
if (getNodeAttribute(currentSubNode, D3MF::XmlTag::transform, componentTransformStr)) {
componentTransform = parseTransformMatrix(componentTransformStr);
}
if (getNodeAttribute(currentSubNode, D3MF::XmlTag::objectid, objectId)) {
obj->mComponents.push_back({ objectId, componentTransform });
}
}
}
}
}
mResourcesDictionnary.insert(std::make_pair(id, obj));
}
aiMesh *ReadMesh(XmlNode &node) {
aiMesh *mesh = new aiMesh();
for (XmlNode &currentNode : node.children()) {
const std::string currentName = currentNode.name();
if (currentName == XmlTag::vertices) {
ImportVertices(currentNode, mesh);
} else if (currentName == XmlTag::triangles) {
ImportTriangles(currentNode, mesh);
}
}
return mesh;
}
void ReadMetadata(XmlNode &node) {
pugi::xml_attribute attribute = node.attribute(D3MF::XmlTag::meta_name);
const std::string name = attribute.as_string();
const std::string value = node.value();
if (name.empty()) {
return;
}
MetaEntry entry;
entry.name = name;
entry.value = value;
mMetaData.push_back(entry);
}
void ImportVertices(XmlNode &node, aiMesh *mesh) {
std::vector<aiVector3D> vertices;
for (XmlNode &currentNode : node.children()) {
const std::string currentName = currentNode.name();
if (currentName == XmlTag::vertex) {
vertices.push_back(ReadVertex(currentNode));
}
}
mesh->mNumVertices = static_cast<unsigned int>(vertices.size());
mesh->mVertices = new aiVector3D[mesh->mNumVertices];
std::copy(vertices.begin(), vertices.end(), mesh->mVertices);
}
aiVector3D ReadVertex(XmlNode &node) {
aiVector3D vertex;
vertex.x = ai_strtof(node.attribute(XmlTag::x).as_string(), nullptr);
vertex.y = ai_strtof(node.attribute(XmlTag::y).as_string(), nullptr);
vertex.z = ai_strtof(node.attribute(XmlTag::z).as_string(), nullptr);
return vertex;
}
void ImportTriangles(XmlNode &node, aiMesh *mesh) {
std::vector<aiFace> faces;
for (XmlNode &currentNode : node.children()) {
const std::string currentName = currentNode.name();
if (currentName == XmlTag::triangle) {
aiFace face = ReadTriangle(currentNode);
faces.push_back(face);
int pid = 0, p1 = 0;
bool hasPid = getNodeAttribute(currentNode, D3MF::XmlTag::pid, pid);
bool hasP1 = getNodeAttribute(currentNode, D3MF::XmlTag::p1, p1);
if (hasPid && hasP1) {
auto it = mResourcesDictionnary.find(pid);
if (it != mResourcesDictionnary.end()) {
if (it->second->getType() == ResourceType::RT_BaseMaterials) {
BaseMaterials *baseMaterials = static_cast<BaseMaterials *>(it->second);
mesh->mMaterialIndex = baseMaterials->mMaterialIndex[p1];
}
// TODO: manage the separation into several meshes if the triangles of the mesh do not all refer to the same material
}
}
}
}
mesh->mNumFaces = static_cast<unsigned int>(faces.size());
mesh->mFaces = new aiFace[mesh->mNumFaces];
mesh->mPrimitiveTypes = aiPrimitiveType_TRIANGLE;
std::copy(faces.begin(), faces.end(), mesh->mFaces);
}
aiFace ReadTriangle(XmlNode &node) {
aiFace face;
face.mNumIndices = 3;
face.mIndices = new unsigned int[face.mNumIndices];
face.mIndices[0] = static_cast<unsigned int>(std::atoi(node.attribute(XmlTag::v1).as_string()));
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()));
return face;
}
void ReadBaseMaterials(XmlNode &node) {
int id = -1;
if (getNodeAttribute(node, D3MF::XmlTag::basematerials_id, id)) {
BaseMaterials *baseMaterials = new BaseMaterials(id);
for (XmlNode &currentNode : node.children()) {
const std::string currentName = currentNode.name();
if (currentName == XmlTag::basematerials_base) {
baseMaterials->mMaterialIndex.push_back(mMaterialCount);
baseMaterials->mMaterials.push_back(readMaterialDef(currentNode, id));
++mMaterialCount;
}
}
mResourcesDictionnary.insert(std::make_pair(id, baseMaterials));
}
}
bool parseColor(const char *color, aiColor4D &diffuse) {
if (nullptr == color) {
return false;
}
//format of the color string: #RRGGBBAA or #RRGGBB (3MF Core chapter 5.1.1)
const size_t len = strlen(color);
if (9 != len && 7 != len) {
return false;
}
const char *buf(color);
if ('#' != buf[0]) {
return false;
}
char r[3] = { buf[1], buf[2], '\0' };
diffuse.r = static_cast<ai_real>(strtol(r, nullptr, 16)) / ai_real(255.0);
char g[3] = { buf[3], buf[4], '\0' };
diffuse.g = static_cast<ai_real>(strtol(g, nullptr, 16)) / ai_real(255.0);
char b[3] = { buf[5], buf[6], '\0' };
diffuse.b = static_cast<ai_real>(strtol(b, nullptr, 16)) / ai_real(255.0);
if (7 == len)
return true;
char a[3] = { buf[7], buf[8], '\0' };
diffuse.a = static_cast<ai_real>(strtol(a, nullptr, 16)) / ai_real(255.0);
return true;
}
void assignDiffuseColor(XmlNode &node, aiMaterial *mat) {
const char *color = node.attribute(XmlTag::basematerials_displaycolor).as_string();
aiColor4D diffuse;
if (parseColor(color, diffuse)) {
mat->AddProperty<aiColor4D>(&diffuse, 1, AI_MATKEY_COLOR_DIFFUSE);
}
}
aiMaterial *readMaterialDef(XmlNode &node, unsigned int basematerialsId) {
aiMaterial *material = new aiMaterial();
material->mNumProperties = 0;
std::string name;
bool hasName = getNodeAttribute(node, D3MF::XmlTag::basematerials_name, name);
std::string stdMaterialName;
const std::string strId(ai_to_string(basematerialsId));
stdMaterialName += "id";
stdMaterialName += strId;
stdMaterialName += "_";
if (hasName) {
stdMaterialName += std::string(name);
} else {
stdMaterialName += "basemat_";
stdMaterialName += ai_to_string(mMaterialCount - basematerialsId);
}
aiString assimpMaterialName(stdMaterialName);
material->AddProperty(&assimpMaterialName, AI_MATKEY_NAME);
assignDiffuseColor(node, material);
return material;
}
private:
struct MetaEntry {
std::string name;
std::string value;
};
std::vector<MetaEntry> mMetaData;
std::map<unsigned int, Resource *> mResourcesDictionnary;
unsigned int mMaterialCount, mMeshCount;
XmlParser *mXmlParser;
};
} //namespace D3MF
using namespace D3MF;
@ -597,7 +94,9 @@ bool D3MFImporter::CanRead(const std::string &filename, IOSystem *pIOHandler, bo
const std::string extension(GetExtension(filename));
if (extension == desc.mFileExtensions) {
return true;
} else if (!extension.length() || checkSig) {
}
if (!extension.length() || checkSig) {
if (nullptr == pIOHandler) {
return false;
}
@ -611,7 +110,7 @@ bool D3MFImporter::CanRead(const std::string &filename, IOSystem *pIOHandler, bo
return false;
}
void D3MFImporter::SetupProperties(const Importer * /*pImp*/) {
void D3MFImporter::SetupProperties(const Importer*) {
// empty
}
@ -624,8 +123,17 @@ void D3MFImporter::InternReadFile(const std::string &filename, aiScene *pScene,
XmlParser xmlParser;
if (xmlParser.parse(opcPackage.RootStream())) {
XmlSerializer xmlSerializer(&xmlParser);
XmlSerializer xmlSerializer(&xmlParser, &opcPackage);
xmlSerializer.ImportXml(pScene);
const std::vector<aiTexture*> &tex = opcPackage.GetEmbeddedTextures();
if (!tex.empty()) {
pScene->mNumTextures = static_cast<unsigned int>(tex.size());
pScene->mTextures = new aiTexture *[pScene->mNumTextures];
for (unsigned int i = 0; i < pScene->mNumTextures; ++i) {
pScene->mTextures[i] = tex[i];
}
}
}
}

58
code/AssetLib/3MF/D3MFOpcPackage.cpp
View File

@ -43,14 +43,13 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include "D3MFOpcPackage.h"
#include <assimp/Exceptional.h>
#include <assimp/XmlParser.h>
#include <assimp/ZipArchiveIOSystem.h>
#include <assimp/ai_assert.h>
#include <assimp/DefaultLogger.hpp>
#include <assimp/IOStream.hpp>
#include <assimp/IOSystem.hpp>
#include <assimp/texture.h>
#include "3MFXmlTags.h"
#include <algorithm>
#include <cassert>
@ -64,11 +63,12 @@ namespace Assimp {
namespace D3MF {
// ------------------------------------------------------------------------------------------------
typedef std::shared_ptr<OpcPackageRelationship> OpcPackageRelationshipPtr;
using OpcPackageRelationshipPtr = std::shared_ptr<OpcPackageRelationship>;
class OpcPackageRelationshipReader {
public:
OpcPackageRelationshipReader(XmlParser &parser) {
OpcPackageRelationshipReader(XmlParser &parser) :
m_relationShips() {
XmlNode root = parser.getRootNode();
ParseRootNode(root);
}
@ -91,6 +91,7 @@ public:
if (relPtr->id.empty() || relPtr->type.empty() || relPtr->target.empty()) {
return false;
}
return true;
}
@ -100,7 +101,7 @@ public:
}
for (XmlNode currentNode = node.first_child(); currentNode; currentNode = currentNode.next_sibling()) {
std::string name = currentNode.name();
const std::string name = currentNode.name();
if (name == "Relationship") {
OpcPackageRelationshipPtr relPtr(new OpcPackageRelationship());
relPtr->id = currentNode.attribute(XmlTag::RELS_ATTRIB_ID).as_string();
@ -116,11 +117,20 @@ public:
std::vector<OpcPackageRelationshipPtr> m_relationShips;
};
static bool IsEmbeddedTexture( const std::string &filename ) {
const std::string extension = BaseImporter::GetExtension(filename);
if (extension == "jpg" || extension == "png") {
return true;
}
return false;
}
// ------------------------------------------------------------------------------------------------
D3MFOpcPackage::D3MFOpcPackage(IOSystem *pIOHandler, const std::string &rFile) :
mRootStream(nullptr),
mZipArchive() {
mZipArchive.reset(new ZipArchiveIOSystem(pIOHandler, rFile));
mZipArchive = std::make_unique<ZipArchiveIOSystem>(pIOHandler, rFile);
if (!mZipArchive->isOpen()) {
throw DeadlyImportError("Failed to open file ", rFile, ".");
}
@ -141,7 +151,7 @@ D3MFOpcPackage::D3MFOpcPackage(IOSystem *pIOHandler, const std::string &rFile) :
}
std::string rootFile = ReadPackageRootRelationship(fileStream);
if (rootFile.size() > 0 && rootFile[0] == '/') {
if (!rootFile.empty() && rootFile[0] == '/') {
rootFile = rootFile.substr(1);
if (rootFile[0] == '/') {
// deal with zip-bug
@ -158,9 +168,12 @@ D3MFOpcPackage::D3MFOpcPackage(IOSystem *pIOHandler, const std::string &rFile) :
if (nullptr == mRootStream) {
throw DeadlyImportError("Cannot open root-file in archive : " + rootFile);
}
} else if (file == D3MF::XmlTag::CONTENT_TYPES_ARCHIVE) {
ASSIMP_LOG_WARN("Ignored file of unsupported type CONTENT_TYPES_ARCHIVES", file);
} else if (IsEmbeddedTexture(file)) {
IOStream *fileStream = mZipArchive->Open(file.c_str());
LoadEmbeddedTextures(fileStream, file);
mZipArchive->Close(fileStream);
} else {
ASSIMP_LOG_WARN("Ignored file of unknown type: ", file);
}
@ -169,20 +182,25 @@ D3MFOpcPackage::D3MFOpcPackage(IOSystem *pIOHandler, const std::string &rFile) :
D3MFOpcPackage::~D3MFOpcPackage() {
mZipArchive->Close(mRootStream);
mZipArchive = nullptr;
}
IOStream *D3MFOpcPackage::RootStream() const {
return mRootStream;
}
static const std::string ModelRef = "3D/3dmodel.model";
const std::vector<aiTexture *> &D3MFOpcPackage::GetEmbeddedTextures() const {
return mEmbeddedTextures;
}
static const char *const ModelRef = "3D/3dmodel.model";
bool D3MFOpcPackage::validate() {
if (nullptr == mRootStream || nullptr == mZipArchive) {
return false;
}
return mZipArchive->Exists(ModelRef.c_str());
return mZipArchive->Exists(ModelRef);
}
std::string D3MFOpcPackage::ReadPackageRootRelationship(IOStream *stream) {
@ -204,6 +222,26 @@ std::string D3MFOpcPackage::ReadPackageRootRelationship(IOStream *stream) {
return (*itr)->target;
}
void D3MFOpcPackage::LoadEmbeddedTextures(IOStream *fileStream, const std::string &filename) {
if (nullptr == fileStream) {
return;
}
const size_t size = fileStream->FileSize();
if (0 == size) {
return;
}
char *data = new char[size];
fileStream->Read(data, 1, size);
aiTexture *texture = new aiTexture;
texture->mFilename.Set(filename.c_str());
texture->mWidth = static_cast<unsigned int>(size);
texture->mHeight = 0;
texture->pcData = (aiTexel*) data;
mEmbeddedTextures.emplace_back(texture);
}
} // Namespace D3MF
} // Namespace Assimp

10
code/AssetLib/3MF/D3MFOpcPackage.h
View File

@ -46,7 +46,10 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include <string>
#include <assimp/IOSystem.hpp>
struct aiTexture;
namespace Assimp {
class ZipArchiveIOSystem;
namespace D3MF {
@ -63,16 +66,19 @@ public:
~D3MFOpcPackage();
IOStream* RootStream() const;
bool validate();
const std::vector<aiTexture*> &GetEmbeddedTextures() const;
protected:
std::string ReadPackageRootRelationship(IOStream* stream);
void LoadEmbeddedTextures(IOStream *fileStream, const std::string &filename);
private:
IOStream* mRootStream;
std::unique_ptr<ZipArchiveIOSystem> mZipArchive;
std::vector<aiTexture *> mEmbeddedTextures;
};
} // Namespace D3MF
} // Namespace Assimp
} // namespace D3MF
} // namespace Assimp
#endif // D3MFOPCPACKAGE_H

590
code/AssetLib/3MF/XmlSerializer.cpp 100644
View File

@ -0,0 +1,590 @@
/*
Open Asset Import Library (assimp)
----------------------------------------------------------------------
Copyright (c) 2006-2021, 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 "XmlSerializer.h"
#include "D3MFOpcPackage.h"
#include "3MFXmlTags.h"
#include "3MFTypes.h"
#include <assimp/scene.h>
namespace Assimp {
namespace D3MF {
static const int IdNotSet = -1;
XmlSerializer::XmlSerializer(XmlParser *xmlParser, D3MFOpcPackage *archive) :
mResourcesDictionnary(),
mMeshCount(0),
mXmlParser(xmlParser),
mD3MFOpcPackage(archive) {
ai_assert(nullptr != xmlParser);
ai_assert(nullptr != archive);
}
XmlSerializer::~XmlSerializer() {
for (auto &it : mResourcesDictionnary) {
delete it.second;
}
}
void XmlSerializer::ImportXml(aiScene *scene) {
if (nullptr == scene) {
return;
}
scene->mRootNode = new aiNode(XmlTag::RootTag);
XmlNode node = mXmlParser->getRootNode().child(XmlTag::model);
if (node.empty()) {
return;
}
XmlNode resNode = node.child(XmlTag::resources);
for (auto &currentNode : resNode.children()) {
const std::string currentNodeName = currentNode.name();
if (currentNodeName == XmlTag::texture_2d) {
ReadEmbeddecTexture(currentNode);
} else if (currentNodeName == XmlTag::texture_group) {
ReadTextureGroup(currentNode);
} else if (currentNodeName == XmlTag::object) {
ReadObject(currentNode);
} else if (currentNodeName == XmlTag::basematerials) {
ReadBaseMaterials(currentNode);
} else if (currentNodeName == XmlTag::meta) {
ReadMetadata(currentNode);
}
}
StoreMaterialsInScene(scene);
XmlNode buildNode = node.child(XmlTag::build);
if (buildNode.empty()) {
return;
}
for (auto &currentNode : buildNode.children()) {
const std::string currentNodeName = currentNode.name();
if (currentNodeName == XmlTag::item) {
int objectId = IdNotSet;
std::string transformationMatrixStr;
aiMatrix4x4 transformationMatrix;
getNodeAttribute(currentNode, D3MF::XmlTag::objectid, objectId);
bool hasTransform = getNodeAttribute(currentNode, D3MF::XmlTag::transform, transformationMatrixStr);
auto it = mResourcesDictionnary.find(objectId);
if (it != mResourcesDictionnary.end() && it->second->getType() == ResourceType::RT_Object) {
Object *obj = static_cast<Object *>(it->second);
if (hasTransform) {
transformationMatrix = parseTransformMatrix(transformationMatrixStr);
}
addObjectToNode(scene->mRootNode, obj, transformationMatrix);
}
}
}
// import the metadata
if (!mMetaData.empty()) {
const size_t numMeta = mMetaData.size();
scene->mMetaData = aiMetadata::Alloc(static_cast<unsigned int>(numMeta));
for (size_t i = 0; i < numMeta; ++i) {
aiString val(mMetaData[i].value);
scene->mMetaData->Set(static_cast<unsigned int>(i), mMetaData[i].name, val);
}
}
// import the meshes, materials are already stored
scene->mNumMeshes = static_cast<unsigned int>(mMeshCount);
if (scene->mNumMeshes != 0) {
scene->mMeshes = new aiMesh *[scene->mNumMeshes]();
for (auto &it : mResourcesDictionnary) {
if (it.second->getType() == ResourceType::RT_Object) {
Object *obj = static_cast<Object *>(it.second);
ai_assert(nullptr != obj);
for (unsigned int i = 0; i < obj->mMeshes.size(); ++i) {
scene->mMeshes[obj->mMeshIndex[i]] = obj->mMeshes[i];
}
}
}
}
}
void XmlSerializer::addObjectToNode(aiNode *parent, Object *obj, aiMatrix4x4 nodeTransform) {
ai_assert(nullptr != obj);
aiNode *sceneNode = new aiNode(obj->mName);
sceneNode->mNumMeshes = static_cast<unsigned int>(obj->mMeshes.size());
sceneNode->mMeshes = new unsigned int[sceneNode->mNumMeshes];
std::copy(obj->mMeshIndex.begin(), obj->mMeshIndex.end(), sceneNode->mMeshes);
sceneNode->mTransformation = nodeTransform;
if (nullptr != parent) {
parent->addChildren(1, &sceneNode);
}
for (Assimp::D3MF::Component c : obj->mComponents) {
auto it = mResourcesDictionnary.find(c.mObjectId);
if (it != mResourcesDictionnary.end() && it->second->getType() == ResourceType::RT_Object) {
addObjectToNode(sceneNode, static_cast<Object *>(it->second), c.mTransformation);
}
}
}
bool XmlSerializer::getNodeAttribute(const XmlNode &node, const std::string &attribute, std::string &value) {
pugi::xml_attribute objectAttribute = node.attribute(attribute.c_str());
if (!objectAttribute.empty()) {
value = objectAttribute.as_string();
return true;
}
return false;
}
bool XmlSerializer::getNodeAttribute(const XmlNode &node, const std::string &attribute, int &value) {
std::string strValue;
bool ret = getNodeAttribute(node, attribute, strValue);
if (ret) {
value = std::atoi(strValue.c_str());
return true;
}
return false;
}
aiMatrix4x4 XmlSerializer::parseTransformMatrix(std::string matrixStr) {
// split the string
std::vector<float> numbers;
std::string currentNumber;
for (char c : matrixStr) {
if (c == ' ') {
if (!currentNumber.empty()) {
float f = std::stof(currentNumber);
numbers.push_back(f);
currentNumber.clear();
}
} else {
currentNumber.push_back(c);
}
}
if (!currentNumber.empty()) {
const float f = std::stof(currentNumber);
numbers.push_back(f);
}
aiMatrix4x4 transformMatrix;
transformMatrix.a1 = numbers[0];
transformMatrix.b1 = numbers[1];
transformMatrix.c1 = numbers[2];
transformMatrix.d1 = 0;
transformMatrix.a2 = numbers[3];
transformMatrix.b2 = numbers[4];
transformMatrix.c2 = numbers[5];
transformMatrix.d2 = 0;
transformMatrix.a3 = numbers[6];
transformMatrix.b3 = numbers[7];
transformMatrix.c3 = numbers[8];
transformMatrix.d3 = 0;
transformMatrix.a4 = numbers[9];
transformMatrix.b4 = numbers[10];
transformMatrix.c4 = numbers[11];
transformMatrix.d4 = 1;
return transformMatrix;
}
void XmlSerializer::ReadObject(XmlNode &node) {
int id = IdNotSet, pid = IdNotSet, pindex = IdNotSet;
bool hasId = getNodeAttribute(node, XmlTag::id, id);
if (!hasId) {
return;
}
bool hasPid = getNodeAttribute(node, XmlTag::pid, pid);
bool hasPindex = getNodeAttribute(node, XmlTag::pindex, pindex);
Object *obj = new Object(id);
for (XmlNode &currentNode : node.children()) {
const std::string currentName = currentNode.name();
if (currentName == D3MF::XmlTag::mesh) {
auto mesh = ReadMesh(currentNode);
mesh->mName.Set(ai_to_string(id));
if (hasPid) {
auto it = mResourcesDictionnary.find(pid);
if (hasPindex && it != mResourcesDictionnary.end() && it->second->getType() == ResourceType::RT_BaseMaterials) {
BaseMaterials *materials = static_cast<BaseMaterials *>(it->second);
mesh->mMaterialIndex = materials->mMaterialIndex[pindex];
}
}
obj->mMeshes.push_back(mesh);
obj->mMeshIndex.push_back(mMeshCount);
mMeshCount++;
} else if (currentName == D3MF::XmlTag::components) {
for (XmlNode &currentSubNode : currentNode.children()) {
const std::string subNodeName = currentSubNode.name();
if (subNodeName == D3MF::XmlTag::component) {
int objectId = IdNotSet;
std::string componentTransformStr;
aiMatrix4x4 componentTransform;
if (getNodeAttribute(currentSubNode, D3MF::XmlTag::transform, componentTransformStr)) {
componentTransform = parseTransformMatrix(componentTransformStr);
}
if (getNodeAttribute(currentSubNode, D3MF::XmlTag::objectid, objectId)) {
obj->mComponents.push_back({ objectId, componentTransform });
}
}
}
}
}
mResourcesDictionnary.insert(std::make_pair(id, obj));
}
aiMesh *XmlSerializer::ReadMesh(XmlNode &node) {
if (node.empty()) {
return nullptr;
}
aiMesh *mesh = new aiMesh();
for (XmlNode &currentNode : node.children()) {
const std::string currentName = currentNode.name();
if (currentName == XmlTag::vertices) {
ImportVertices(currentNode, mesh);
} else if (currentName == XmlTag::triangles) {
ImportTriangles(currentNode, mesh);
}
}
return mesh;
}
void XmlSerializer::ReadMetadata(XmlNode &node) {
pugi::xml_attribute attribute = node.attribute(D3MF::XmlTag::meta_name);
const std::string name = attribute.as_string();
const std::string value = node.value();
if (name.empty()) {
return;
}
MetaEntry entry;
entry.name = name;
entry.value = value;
mMetaData.push_back(entry);
}
void XmlSerializer::ImportVertices(XmlNode &node, aiMesh *mesh) {
ai_assert(nullptr != mesh);
std::vector<aiVector3D> vertices;
for (XmlNode &currentNode : node.children()) {
const std::string currentName = currentNode.name();
if (currentName == XmlTag::vertex) {
vertices.push_back(ReadVertex(currentNode));
}
}
mesh->mNumVertices = static_cast<unsigned int>(vertices.size());
mesh->mVertices = new aiVector3D[mesh->mNumVertices];
std::copy(vertices.begin(), vertices.end(), mesh->mVertices);
}
aiVector3D XmlSerializer::ReadVertex(XmlNode &node) {
aiVector3D vertex;
vertex.x = ai_strtof(node.attribute(XmlTag::x).as_string(), nullptr);
vertex.y = ai_strtof(node.attribute(XmlTag::y).as_string(), nullptr);
vertex.z = ai_strtof(node.attribute(XmlTag::z).as_string(), nullptr);
return vertex;
}
void XmlSerializer::ImportTriangles(XmlNode &node, aiMesh *mesh) {
std::vector<aiFace> faces;
const size_t numTriangles = std::distance(node.children(XmlTag::triangle).begin(), node.children(XmlTag::triangle).end());
for (XmlNode &currentNode : node.children()) {
const std::string currentName = currentNode.name();
if (currentName == XmlTag::triangle) {
int pid = IdNotSet, p1 = IdNotSet;
bool hasPid = getNodeAttribute(currentNode, D3MF::XmlTag::pid, pid);
bool hasP1 = getNodeAttribute(currentNode, D3MF::XmlTag::p1, p1);
if (hasPid && hasP1) {
auto it = mResourcesDictionnary.find(pid);
if (it != mResourcesDictionnary.end()) {
if (it->second->getType() == ResourceType::RT_BaseMaterials) {
BaseMaterials *baseMaterials = static_cast<BaseMaterials *>(it->second);
mesh->mMaterialIndex = baseMaterials->mMaterialIndex[p1];
} else if (it->second->getType() == ResourceType::RT_Texture2DGroup) {
if (mesh->mTextureCoords[0] == nullptr) {
Texture2DGroup *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()) {
mesh->mMaterialIndex = static_cast<unsigned int>(i);
}
}
mesh->mTextureCoords[0] = new aiVector3D[group->mTex2dCoords.size()];
for (unsigned int i = 0; i < group->mTex2dCoords.size(); ++i) {
mesh->mTextureCoords[0][i] = aiVector3D(group->mTex2dCoords[i].x, group->mTex2dCoords[i].y, 0);
}
}
}
}
}
aiFace face = ReadTriangle(currentNode);
faces.push_back(face);
}
}
mesh->mNumFaces = static_cast<unsigned int>(faces.size());
mesh->mFaces = new aiFace[mesh->mNumFaces];
mesh->mPrimitiveTypes = aiPrimitiveType_TRIANGLE;
std::copy(faces.begin(), faces.end(), mesh->mFaces);
}
aiFace XmlSerializer::ReadTriangle(XmlNode &node) {
aiFace face;
face.mNumIndices = 3;
face.mIndices = new unsigned int[face.mNumIndices];
face.mIndices[0] = static_cast<unsigned int>(std::atoi(node.attribute(XmlTag::v1).as_string()));
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()));
return face;
}
void XmlSerializer::ReadBaseMaterials(XmlNode &node) {
int id = IdNotSet;
if (getNodeAttribute(node, D3MF::XmlTag::id, id)) {
BaseMaterials *baseMaterials = new BaseMaterials(id);
for (XmlNode &currentNode : node.children()) {
const std::string currentName = currentNode.name();
if (currentName == XmlTag::basematerials_base) {
baseMaterials->mMaterialIndex.push_back(static_cast<unsigned int>(mMaterials.size()));
mMaterials.push_back(readMaterialDef(currentNode, id));
}
}
mResourcesDictionnary.insert(std::make_pair(id, baseMaterials));
}
}
static const size_t ColRGBA_Len = 9;
static const size_t ColRGB_Len = 7;
// format of the color string: #RRGGBBAA or #RRGGBB (3MF Core chapter 5.1.1)
static bool validateColorString(const char *color) {
const size_t len = strlen(color);
if (ColRGBA_Len != len && ColRGB_Len != len) {
return false;
}
return true;
}
bool XmlSerializer::parseColor(const char *color, aiColor4D &diffuse) {
if (nullptr == color) {
return false;
}
if (!validateColorString(color)) {
return false;
}
//const char *buf(color);
if ('#' != color[0]) {
return false;
}
char r[3] = { color[1], color[2], '\0' };
diffuse.r = static_cast<ai_real>(strtol(r, nullptr, 16)) / ai_real(255.0);
char g[3] = { color[3], color[4], '\0' };
diffuse.g = static_cast<ai_real>(strtol(g, nullptr, 16)) / ai_real(255.0);
char b[3] = { color[5], color[6], '\0' };
diffuse.b = static_cast<ai_real>(strtol(b, nullptr, 16)) / ai_real(255.0);
const size_t len = strlen(color);
if (ColRGB_Len == len) {
return true;
}
char a[3] = { color[7], color[8], '\0' };
diffuse.a = static_cast<ai_real>(strtol(a, nullptr, 16)) / ai_real(255.0);
return true;
}
void XmlSerializer::ReadEmbeddecTexture(XmlNode &node) {
if (node.empty()) {
return;
}
std::string value;
EmbeddedTexture *tex2D = nullptr;
if (XmlParser::getStdStrAttribute(node, XmlTag::id, value)) {
tex2D = new EmbeddedTexture(atoi(value.c_str()));
}
if (nullptr == tex2D) {
return;
}
if (XmlParser::getStdStrAttribute(node, XmlTag::path, value)) {
tex2D->mPath = value;
}
if (XmlParser::getStdStrAttribute(node, XmlTag::texture_content_type, value)) {
tex2D->mContentType = value;
}
if (XmlParser::getStdStrAttribute(node, XmlTag::texture_tilestyleu, value)) {
tex2D->mTilestyleU = value;
}
if (XmlParser::getStdStrAttribute(node, XmlTag::texture_tilestylev, value)) {
tex2D->mTilestyleV = value;
}
mEmbeddedTextures.emplace_back(tex2D);
StoreEmbeddedTexture(tex2D);
}
void XmlSerializer::StoreEmbeddedTexture(EmbeddedTexture *tex) {
aiMaterial *mat = new aiMaterial;
aiString s;
s.Set(ai_to_string(tex->mId).c_str());
mat->AddProperty(&s, AI_MATKEY_NAME);
s.Set(tex->mPath);
mat->AddProperty(&s, AI_MATKEY_TEXTURE_DIFFUSE(0));
aiColor3D col;
mat->AddProperty<aiColor3D>(&col, 1, AI_MATKEY_COLOR_DIFFUSE);
mat->AddProperty<aiColor3D>(&col, 1, AI_MATKEY_COLOR_AMBIENT);
mat->AddProperty<aiColor3D>(&col, 1, AI_MATKEY_COLOR_EMISSIVE);
mat->AddProperty<aiColor3D>(&col, 1, AI_MATKEY_COLOR_SPECULAR);
mMaterials.emplace_back(mat);
}
void XmlSerializer::ReadTextureCoords2D(XmlNode &node, Texture2DGroup *tex2DGroup) {
if (node.empty() || nullptr == tex2DGroup) {
return;
}
int id = IdNotSet;
if (XmlParser::getIntAttribute(node, "texid", id)) {
tex2DGroup->mTexId = id;
}
double value;
for (XmlNode currentNode : node.children()) {
const std::string currentName = currentNode.name();
aiVector2D texCoord;
if (currentName == XmlTag::texture_2d_coord) {
XmlParser::getDoubleAttribute(currentNode, XmlTag::texture_cuurd_u, value);
texCoord.x = (ai_real)value;
XmlParser::getDoubleAttribute(currentNode, XmlTag::texture_cuurd_v, value);
texCoord.y = (ai_real)value;
tex2DGroup->mTex2dCoords.push_back(texCoord);
}
}
}
void XmlSerializer::ReadTextureGroup(XmlNode &node) {
if (node.empty()) {
return;
}
int id = IdNotSet;
if (!XmlParser::getIntAttribute(node, XmlTag::id, id)) {
return;
}
Texture2DGroup *group = new Texture2DGroup(id);
ReadTextureCoords2D(node, group);
mResourcesDictionnary.insert(std::make_pair(id, group));
}
void XmlSerializer::assignDiffuseColor(XmlNode &node, aiMaterial *mat) {
const char *color = node.attribute(XmlTag::basematerials_displaycolor).as_string();
aiColor4D diffuse;
if (parseColor(color, diffuse)) {
mat->AddProperty<aiColor4D>(&diffuse, 1, AI_MATKEY_COLOR_DIFFUSE);
}
}
aiMaterial *XmlSerializer::readMaterialDef(XmlNode &node, unsigned int basematerialsId) {
aiMaterial *material = new aiMaterial();
material->mNumProperties = 0;
std::string name;
bool hasName = getNodeAttribute(node, D3MF::XmlTag::basematerials_name, name);
std::string stdMaterialName;
const std::string strId(ai_to_string(basematerialsId));
stdMaterialName += "id";
stdMaterialName += strId;
stdMaterialName += "_";
if (hasName) {
stdMaterialName += std::string(name);
} else {
stdMaterialName += "basemat_";
stdMaterialName += ai_to_string(mMaterials.size());
}
aiString assimpMaterialName(stdMaterialName);
material->AddProperty(&assimpMaterialName, AI_MATKEY_NAME);
assignDiffuseColor(node, material);
return material;
}
void XmlSerializer::StoreMaterialsInScene( aiScene *scene ) {
if (nullptr == scene || mMaterials.empty()) {
return;
}
scene->mNumMaterials = static_cast<unsigned int>(mMaterials.size());
scene->mMaterials = new aiMaterial*[scene->mNumMaterials];
for (size_t i = 0; i < mMaterials.size(); ++i) {
scene->mMaterials[i] = mMaterials[i];
}
}
} // namespace D3MF
} // namespace Assimp

104
code/AssetLib/3MF/XmlSerializer.h 100644
View File

@ -0,0 +1,104 @@
/*
Open Asset Import Library (assimp)
----------------------------------------------------------------------
Copyright (c) 2006-2021, 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.
----------------------------------------------------------------------
*/
#pragma once
#include <assimp/XmlParser.h>
#include <assimp/mesh.h>
#include <vector>
#include <map>
struct aiNode;
struct aiMesh;
struct aiMaterial;
namespace Assimp {
namespace D3MF {
class Resource;
class D3MFOpcPackage;
class Object;
class Texture2DGroup;
class EmbeddedTexture;
class XmlSerializer {
public:
XmlSerializer(XmlParser *xmlParser, D3MFOpcPackage *archive);
~XmlSerializer();
void ImportXml(aiScene *scene);
private:
void addObjectToNode(aiNode *parent, Object *obj, aiMatrix4x4 nodeTransform);
bool getNodeAttribute(const XmlNode &node, const std::string &attribute, std::string &value);
bool getNodeAttribute(const XmlNode &node, const std::string &attribute, int &value);
aiMatrix4x4 parseTransformMatrix(std::string matrixStr);
void ReadObject(XmlNode &node);
aiMesh *ReadMesh(XmlNode &node);
void ReadMetadata(XmlNode &node);
void ImportVertices(XmlNode &node, aiMesh *mesh);
aiVector3D ReadVertex(XmlNode &node);
void ImportTriangles(XmlNode &node, aiMesh *mesh);
aiFace ReadTriangle(XmlNode &node);
void ReadBaseMaterials(XmlNode &node);
bool parseColor(const char *color, aiColor4D &diffuse);
void ReadEmbeddecTexture(XmlNode &node);
void StoreEmbeddedTexture(EmbeddedTexture *tex);
void ReadTextureCoords2D(XmlNode &node, Texture2DGroup *tex2DGroup);
void ReadTextureGroup(XmlNode &node);
void assignDiffuseColor(XmlNode &node, aiMaterial *mat);
aiMaterial *readMaterialDef(XmlNode &node, unsigned int basematerialsId);
void StoreMaterialsInScene(aiScene *scene);
private:
struct MetaEntry {
std::string name;
std::string value;
};
std::vector<MetaEntry> mMetaData;
std::vector<EmbeddedTexture *> mEmbeddedTextures;
std::vector<aiMaterial *> mMaterials;
std::map<unsigned int, Resource *> mResourcesDictionnary;
unsigned int mMeshCount;
XmlParser *mXmlParser;
D3MFOpcPackage *mD3MFOpcPackage;
};
} // namespace D3MF
} // namespace Assimp

23
code/AssetLib/Collada/ColladaLoader.cpp
View File

@ -135,14 +135,15 @@ bool ColladaLoader::CanRead(const std::string &pFile, IOSystem *pIOHandler, bool
// XML - too generic, we need to open the file and search for typical keywords
if (extension == "xml" || !extension.length() || checkSig) {
/* If CanRead() is called in order to check whether we
* support a specific file extension in general pIOHandler
* might be nullptr and it's our duty to return true here.
*/
if (!pIOHandler) {
// If CanRead() is called in order to check whether we
// support a specific file extension in general pIOHandler
// might be nullptr and it's our duty to return true here.
if (nullptr == pIOHandler) {
return true;
}
static const char *tokens[] = { "<collada" };
static const char* tokens[] = {
"<collada"
};
return SearchFileHeaderForToken(pIOHandler, pFile, tokens, 1);
}
@ -573,7 +574,7 @@ void ColladaLoader::BuildMeshesForNode(const ColladaParser &pParser, const Node
// now place all mesh references we gathered in the target node
pTarget->mNumMeshes = static_cast<unsigned int>(newMeshRefs.size());
if (newMeshRefs.size()) {
if (!newMeshRefs.empty()) {
struct UIntTypeConverter {
unsigned int operator()(const size_t &v) const {
return static_cast<unsigned int>(v);
@ -1538,9 +1539,9 @@ void ColladaLoader::AddTexture(aiMaterial &mat,
map = sampler.mUVId;
} else {
map = -1;
for (std::string::const_iterator it = sampler.mUVChannel.begin(); it != sampler.mUVChannel.end(); ++it) {
if (IsNumeric(*it)) {
map = strtoul10(&(*it));
for (char it : sampler.mUVChannel) {
if (IsNumeric(it)) {
map = strtoul10(&it);
break;
}
}
@ -1682,7 +1683,7 @@ void ColladaLoader::BuildMaterials(ColladaParser &pParser, aiScene * /*pScene*/)
// store the material
mMaterialIndexByName[matIt->first] = newMats.size();
newMats.push_back(std::pair<Effect *, aiMaterial *>(&effect, mat));
newMats.emplace_back(&effect, mat);
}
// ScenePreprocessor generates a default material automatically if none is there.
// All further code here in this loader works well without a valid material so

6
code/AssetLib/Collada/ColladaParser.cpp
View File

@ -918,7 +918,7 @@ void ColladaParser::ReadMaterial(XmlNode &node, Collada::Material &pMaterial) {
if (currentName == "instance_effect") {
std::string url;
readUrlAttribute(currentNode, url);
pMaterial.mEffect = url.c_str();
pMaterial.mEffect = url;
}
}
}
@ -2208,8 +2208,8 @@ void ColladaParser::ReadMaterialVertexInputBinding(XmlNode &node, Collada::Seman
void ColladaParser::ReadEmbeddedTextures(ZipArchiveIOSystem &zip_archive) {
// Attempt to load any undefined Collada::Image in ImageLibrary
for (ImageLibrary::iterator it = mImageLibrary.begin(); it != mImageLibrary.end(); ++it) {
Collada::Image &image = (*it).second;
for (auto & it : mImageLibrary) {
Collada::Image &image = it.second;
if (image.mImageData.empty()) {
std::unique_ptr<IOStream> image_file(zip_archive.Open(image.mFileName.c_str()));

2
code/AssetLib/Obj/ObjFileImporter.cpp
View File

@ -162,7 +162,7 @@ void ObjFileImporter::InternReadFile(const std::string &file, aiScene *pScene, I
// ------------------------------------------------------------------------------------------------
// Create the data from parsed obj-file
void ObjFileImporter::CreateDataFromImport(const ObjFile::Model *pModel, aiScene *pScene) {
if (0L == pModel) {
if (nullptr == pModel) {
return;
}

3
code/AssetLib/glTF2/glTF2Importer.cpp
View File

@ -1470,8 +1470,9 @@ void glTF2Importer::ImportEmbeddedTextures(glTF2::Asset &r) {
}
}
if (numEmbeddedTexs == 0)
if (numEmbeddedTexs == 0) {
return;
}
ASSIMP_LOG_DEBUG("Importing ", numEmbeddedTexs, " embedded textures");

3
code/CMakeLists.txt
View File

@ -821,6 +821,9 @@ ADD_ASSIMP_IMPORTER( GLTF
)
ADD_ASSIMP_IMPORTER(3MF
AssetLib/3MF/3MFTypes.h
AssetLib/3MF/XmlSerializer.h
AssetLib/3MF/XmlSerializer.cpp
AssetLib/3MF/D3MFImporter.h
AssetLib/3MF/D3MFImporter.cpp
AssetLib/3MF/D3MFOpcPackage.h

33
include/assimp/vector3.h
View File

@ -5,8 +5,6 @@ Open Asset Import Library (assimp)
Copyright (c) 2006-2021, assimp team
All rights reserved.
Redistribution and use of this software in source and binary forms,
@ -65,27 +63,49 @@ template<typename TReal> class aiMatrix3x3t;
template<typename TReal> class aiMatrix4x4t;
// ---------------------------------------------------------------------------
/** Represents a three-dimensional vector. */
/// @brief Represents a three-dimensional vector.
// ---------------------------------------------------------------------------
template <typename TReal>
class aiVector3t {
public:
/// @brief The default class constructor.
aiVector3t() AI_NO_EXCEPT : x(), y(), z() {}
/// @brief The class constructor with the components.
/// @param _x The x-component for the vector.
/// @param _y The y-component for the vector.
/// @param _z The z-component for the vector.
aiVector3t(TReal _x, TReal _y, TReal _z) : x(_x), y(_y), z(_z) {}
/// @brief The class constructor with a default value.
/// @param _xyz The value for x, y and z.
explicit aiVector3t (TReal _xyz ) : x(_xyz), y(_xyz), z(_xyz) {}
/// @brief The copy constructor.
/// @param o The instance to copy from.
aiVector3t( const aiVector3t& o ) = default;
// combined operators
/// @brief combined operators
/// @brief The copy constructor.
const aiVector3t& operator += (const aiVector3t& o);
/// @brief The copy constructor.
const aiVector3t& operator -= (const aiVector3t& o);
/// @brief The copy constructor.
const aiVector3t& operator *= (TReal f);
/// @brief The copy constructor.
const aiVector3t& operator /= (TReal f);
// transform vector by matrix
/// @brief Transform vector by matrix
aiVector3t& operator *= (const aiMatrix3x3t<TReal>& mat);
aiVector3t& operator *= (const aiMatrix4x4t<TReal>& mat);
// access a single element
/// @brief access a single element, const.
TReal operator[](unsigned int i) const;
/// @brief access a single element, non-const.
TReal& operator[](unsigned int i);
// comparison
@ -93,6 +113,7 @@ public:
bool operator!= (const aiVector3t& other) const;
bool operator < (const aiVector3t& other) const;
/// @brief
bool Equal(const aiVector3t& other, TReal epsilon = 1e-6) const;
template <typename TOther>

71
tools/assimp_view/MaterialManager.h
View File

@ -52,24 +52,11 @@ namespace AssimpView {
*/
//-------------------------------------------------------------------------------
class CMaterialManager {
private:
friend class CDisplay;
// default constructor
CMaterialManager() :
m_iShaderCount(0), sDefaultTexture() {}
~CMaterialManager() {
if (sDefaultTexture) {
sDefaultTexture->Release();
}
Reset();
}
public:
//------------------------------------------------------------------
// Singleton accessors
static CMaterialManager s_cInstance;
inline static CMaterialManager &Instance() {
return s_cInstance;
}
@ -80,24 +67,20 @@ public:
// Must be called before CreateMaterial() to prevent memory leaking
void DeleteMaterial(AssetHelper::MeshHelper *pcIn);
//------------------------------------------------------------------
// Create the material for a mesh.
//
// The function checks whether an identical shader is already in use.
// A shader is considered to be identical if it has the same input
// signature and takes the same number of texture channels.
int CreateMaterial(AssetHelper::MeshHelper *pcMesh,
const aiMesh *pcSource);
/// @brief Create the material for a mesh.
///
/// The function checks whether an identical shader is already in use.
/// A shader is considered to be identical if it has the same input
/// signature and takes the same number of texture channels.
int CreateMaterial(AssetHelper::MeshHelper *pcMesh, const aiMesh *pcSource);
//------------------------------------------------------------------
// Setup the material for a given mesh
// pcMesh Mesh to be rendered
// pcProj Projection matrix
// aiMe Current world matrix
// pcCam Camera matrix
// vPos Position of the camera
// TODO: Extract camera position from matrix ...
//
/// @brief Setup the material for a given mesh.
/// @param pcMesh Mesh to be rendered
/// @param pcProj Projection matrix
/// @param aiMe Current world matrix
/// @param pcCam Camera matrix
/// @param vPos Position of the camera
/// @return 0 if successful.
int SetupMaterial(AssetHelper::MeshHelper *pcMesh,
const aiMatrix4x4 &pcProj,
const aiMatrix4x4 &aiMe,
@ -143,14 +126,29 @@ public:
// Reset the state of the class
// Called whenever a new asset is loaded
inline void Reset() {
this->m_iShaderCount = 0;
for (TextureCache::iterator it = sCachedTextures.begin(); it != sCachedTextures.end(); ++it) {
(*it).second->Release();
m_iShaderCount = 0;
for (auto & sCachedTexture : sCachedTextures) {
sCachedTexture.second->Release();
}
sCachedTextures.clear();
}
private:
// The default constructor
CMaterialManager() :
m_iShaderCount(0),
sDefaultTexture() {
// empty
}
// Destructor, private.
~CMaterialManager() {
if (sDefaultTexture) {
sDefaultTexture->Release();
}
Reset();
}
//------------------------------------------------------------------
// find a valid path to a texture file
//
@ -183,15 +181,14 @@ private:
bool HasAlphaPixels(IDirect3DTexture9 *piTexture);
private:
//
static CMaterialManager s_cInstance;
// Specifies the number of different shaders generated for
// the current asset. This number is incremented by CreateMaterial()
// each time a shader isn't found in cache and needs to be created
//
unsigned int m_iShaderCount;
IDirect3DTexture9 *sDefaultTexture;
typedef std::map<std::string, IDirect3DTexture9 *> TextureCache;
using TextureCache = std::map<std::string, IDirect3DTexture9 *>;
TextureCache sCachedTextures;
};

9
tools/assimp_view/MeshRenderer.cpp
View File

@ -61,11 +61,14 @@ int CMeshRenderer::DrawUnsorted(unsigned int iIndex) {
D3DPRIMITIVETYPE type = D3DPT_POINTLIST;
switch (g_pcAsset->pcScene->mMeshes[iIndex]->mPrimitiveTypes) {
case aiPrimitiveType_POINT:
type = D3DPT_POINTLIST;break;
type = D3DPT_POINTLIST;
break;
case aiPrimitiveType_LINE:
type = D3DPT_LINELIST;break;
type = D3DPT_LINELIST;
break;
case aiPrimitiveType_TRIANGLE:
type = D3DPT_TRIANGLELIST;break;
type = D3DPT_TRIANGLELIST;
break;
}
// and draw the mesh
g_piDevice->DrawIndexedPrimitive(type,