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Merge pull request #3188 from RichardTea/bug-3177-dae-geo-id 

Collada: Ensure export uses unique Mesh Ids
pull/3223/head
Kim Kulling 2020-05-13 20:39:14 +02:00 committed by GitHub
parent 578dc09810 2571b47a28
commit c32f587a89
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
11 changed files with 1995 additions and 2198 deletions
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454
code/AssetLib/Collada/ColladaExporter.cpp
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@ -44,8 +44,11 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#ifndef ASSIMP_BUILD_NO_COLLADA_EXPORTER
#include "ColladaExporter.h"
#include <assimp/Bitmap.h>
#include <assimp/ColladaMetaData.h>
#include <assimp/DefaultIOSystem.h>
#include <assimp/Exceptional.h>
#include <assimp/MathFunctions.h>
#include <assimp/SceneCombiner.h>
#include <assimp/StringUtils.h>
@ -56,15 +59,8 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include <assimp/Exporter.hpp>
#include <assimp/IOSystem.hpp>
#include <assimp/Exceptional.h>
#include <ctime>
#include <iostream>
#include <memory>
#include <set>
#include <vector>
using namespace Assimp;
namespace Assimp {
@ -91,8 +87,6 @@ void ExportSceneCollada(const char *pFile, IOSystem *pIOSystem, const aiScene *p
outfile->Write(iDoTheExportThing.mOutput.str().c_str(), static_cast<size_t>(iDoTheExportThing.mOutput.tellp()), 1);
}
} // end of namespace Assimp
// ------------------------------------------------------------------------------------------------
// Encodes a string into a valid XML ID using the xsd:ID schema qualifications.
static const std::string XMLIDEncode(const std::string &name) {
@ -115,7 +109,7 @@ static const std::string XMLIDEncode(const std::string &name) {
if (strchr(XML_ID_CHARS, *it) != nullptr) {
idEncoded << *it;
} else {
// Select placeholder character based on invalid character to prevent name collisions
// Select placeholder character based on invalid character to reduce ID collisions
idEncoded << XML_ID_CHARS[(*it) % XML_ID_CHARS_COUNT];
}
}
@ -126,7 +120,9 @@ static const std::string XMLIDEncode(const std::string &name) {
// ------------------------------------------------------------------------------------------------
// Constructor for a specific scene to export
ColladaExporter::ColladaExporter(const aiScene *pScene, IOSystem *pIOSystem, const std::string &path, const std::string &file) :
mIOSystem(pIOSystem), mPath(path), mFile(file) {
mIOSystem(pIOSystem),
mPath(path),
mFile(file) {
// make sure that all formatting happens using the standard, C locale and not the user's current locale
mOutput.imbue(std::locale("C"));
mOutput.precision(ASSIMP_AI_REAL_TEXT_PRECISION);
@ -161,6 +157,9 @@ void ColladaExporter::WriteFile() {
WriteTextures();
WriteHeader();
// Add node names to the unique id database first so they are most likely to use their names as unique ids
CreateNodeIds(mScene->mRootNode);
WriteCamerasLibrary();
WriteLightsLibrary();
WriteMaterials();
@ -175,7 +174,7 @@ void ColladaExporter::WriteFile() {
// useless Collada fu at the end, just in case we haven't had enough indirections, yet.
mOutput << startstr << "<scene>" << endstr;
PushTag();
mOutput << startstr << "<instance_visual_scene url=\"#" + XMLIDEncode(mScene->mRootNode->mName.C_Str()) + "\" />" << endstr;
mOutput << startstr << "<instance_visual_scene url=\"#" + GetNodeUniqueId(mScene->mRootNode) + "\" />" << endstr;
PopTag();
mOutput << startstr << "</scene>" << endstr;
PopTag();
@ -201,7 +200,7 @@ void ColladaExporter::WriteHeader() {
static const unsigned int date_nb_chars = 20;
char date_str[date_nb_chars];
std::time_t date = std::time(NULL);
std::time_t date = std::time(nullptr);
std::strftime(date_str, date_nb_chars, "%Y-%m-%dT%H:%M:%S", std::localtime(&date));
aiVector3D scaling;
@ -352,7 +351,7 @@ void ColladaExporter::WriteTextures() {
std::string name = mFile + "_texture_" + (i < 1000 ? "0" : "") + (i < 100 ? "0" : "") + (i < 10 ? "0" : "") + str + "." + ((const char *)texture->achFormatHint);
std::unique_ptr<IOStream> outfile(mIOSystem->Open(mPath + mIOSystem->getOsSeparator() + name, "wb"));
if (outfile == NULL) {
if (outfile == nullptr) {
throw DeadlyExportError("could not open output texture file: " + mPath + name);
}
@ -388,10 +387,10 @@ void ColladaExporter::WriteCamerasLibrary() {
void ColladaExporter::WriteCamera(size_t pIndex) {
const aiCamera *cam = mScene->mCameras[pIndex];
const std::string cameraName = XMLEscape(cam->mName.C_Str());
const std::string cameraId = XMLIDEncode(cam->mName.C_Str());
const std::string cameraId = GetObjectUniqueId(AiObjectType::Camera, pIndex);
const std::string cameraName = GetObjectName(AiObjectType::Camera, pIndex);
mOutput << startstr << "<camera id=\"" << cameraId << "-camera\" name=\"" << cameraName << "\" >" << endstr;
mOutput << startstr << "<camera id=\"" << cameraId << "\" name=\"" << cameraName << "\" >" << endstr;
PushTag();
mOutput << startstr << "<optics>" << endstr;
PushTag();
@ -441,10 +440,10 @@ void ColladaExporter::WriteLightsLibrary() {
void ColladaExporter::WriteLight(size_t pIndex) {
const aiLight *light = mScene->mLights[pIndex];
const std::string lightName = XMLEscape(light->mName.C_Str());
const std::string lightId = XMLIDEncode(light->mName.C_Str());
const std::string lightId = GetObjectUniqueId(AiObjectType::Light, pIndex);
const std::string lightName = GetObjectName(AiObjectType::Light, pIndex);
mOutput << startstr << "<light id=\"" << lightId << "-light\" name=\""
mOutput << startstr << "<light id=\"" << lightId << "\" name=\""
<< lightName << "\" >" << endstr;
PushTag();
mOutput << startstr << "<technique_common>" << endstr;
@ -561,12 +560,11 @@ void ColladaExporter::WriteAmbienttLight(const aiLight *const light) {
// ------------------------------------------------------------------------------------------------
// Reads a single surface entry from the given material keys
void ColladaExporter::ReadMaterialSurface(Surface &poSurface, const aiMaterial *pSrcMat,
aiTextureType pTexture, const char *pKey, size_t pType, size_t pIndex) {
if (pSrcMat->GetTextureCount(pTexture) > 0) {
bool ColladaExporter::ReadMaterialSurface(Surface &poSurface, const aiMaterial &pSrcMat, aiTextureType pTexture, const char *pKey, size_t pType, size_t pIndex) {
if (pSrcMat.GetTextureCount(pTexture) > 0) {
aiString texfile;
unsigned int uvChannel = 0;
pSrcMat->GetTexture(pTexture, 0, &texfile, NULL, &uvChannel);
pSrcMat.GetTexture(pTexture, 0, &texfile, nullptr, &uvChannel);
std::string index_str(texfile.C_Str());
@ -596,8 +594,9 @@ void ColladaExporter::ReadMaterialSurface(Surface &poSurface, const aiMaterial *
poSurface.exist = true;
} else {
if (pKey)
poSurface.exist = pSrcMat->Get(pKey, static_cast<unsigned int>(pType), static_cast<unsigned int>(pIndex), poSurface.color) == aiReturn_SUCCESS;
poSurface.exist = pSrcMat.Get(pKey, static_cast<unsigned int>(pType), static_cast<unsigned int>(pIndex), poSurface.color) == aiReturn_SUCCESS;
}
return poSurface.exist;
}
// ------------------------------------------------------------------------------------------------
@ -608,9 +607,9 @@ static bool isalnum_C(char c) {
// ------------------------------------------------------------------------------------------------
// Writes an image entry for the given surface
void ColladaExporter::WriteImageEntry(const Surface &pSurface, const std::string &pNameAdd) {
void ColladaExporter::WriteImageEntry(const Surface &pSurface, const std::string &imageId) {
if (!pSurface.texture.empty()) {
mOutput << startstr << "<image id=\"" << XMLIDEncode(pNameAdd) << "\">" << endstr;
mOutput << startstr << "<image id=\"" << imageId << "\">" << endstr;
PushTag();
mOutput << startstr << "<init_from>";
@ -631,14 +630,14 @@ void ColladaExporter::WriteImageEntry(const Surface &pSurface, const std::string
// ------------------------------------------------------------------------------------------------
// Writes a color-or-texture entry into an effect definition
void ColladaExporter::WriteTextureColorEntry(const Surface &pSurface, const std::string &pTypeName, const std::string &pImageName) {
void ColladaExporter::WriteTextureColorEntry(const Surface &pSurface, const std::string &pTypeName, const std::string &imageId) {
if (pSurface.exist) {
mOutput << startstr << "<" << pTypeName << ">" << endstr;
PushTag();
if (pSurface.texture.empty()) {
mOutput << startstr << "<color sid=\"" << pTypeName << "\">" << pSurface.color.r << " " << pSurface.color.g << " " << pSurface.color.b << " " << pSurface.color.a << "</color>" << endstr;
} else {
mOutput << startstr << "<texture texture=\"" << XMLIDEncode(pImageName) << "\" texcoord=\"CHANNEL" << pSurface.channel << "\" />" << endstr;
mOutput << startstr << "<texture texture=\"" << imageId << "\" texcoord=\"CHANNEL" << pSurface.channel << "\" />" << endstr;
}
PopTag();
mOutput << startstr << "</" << pTypeName << ">" << endstr;
@ -647,24 +646,24 @@ void ColladaExporter::WriteTextureColorEntry(const Surface &pSurface, const std:
// ------------------------------------------------------------------------------------------------
// Writes the two parameters necessary for referencing a texture in an effect entry
void ColladaExporter::WriteTextureParamEntry(const Surface &pSurface, const std::string &pTypeName, const std::string &pMatName) {
void ColladaExporter::WriteTextureParamEntry(const Surface &pSurface, const std::string &pTypeName, const std::string &materialId) {
// if surface is a texture, write out the sampler and the surface parameters necessary to reference the texture
if (!pSurface.texture.empty()) {
mOutput << startstr << "<newparam sid=\"" << XMLIDEncode(pMatName) << "-" << pTypeName << "-surface\">" << endstr;
mOutput << startstr << "<newparam sid=\"" << materialId << "-" << pTypeName << "-surface\">" << endstr;
PushTag();
mOutput << startstr << "<surface type=\"2D\">" << endstr;
PushTag();
mOutput << startstr << "<init_from>" << XMLIDEncode(pMatName) << "-" << pTypeName << "-image</init_from>" << endstr;
mOutput << startstr << "<init_from>" << materialId << "-" << pTypeName << "-image</init_from>" << endstr;
PopTag();
mOutput << startstr << "</surface>" << endstr;
PopTag();
mOutput << startstr << "</newparam>" << endstr;
mOutput << startstr << "<newparam sid=\"" << XMLIDEncode(pMatName) << "-" << pTypeName << "-sampler\">" << endstr;
mOutput << startstr << "<newparam sid=\"" << materialId << "-" << pTypeName << "-sampler\">" << endstr;
PushTag();
mOutput << startstr << "<sampler2D>" << endstr;
PushTag();
mOutput << startstr << "<source>" << XMLIDEncode(pMatName) << "-" << pTypeName << "-surface</source>" << endstr;
mOutput << startstr << "<source>" << materialId << "-" << pTypeName << "-surface</source>" << endstr;
PopTag();
mOutput << startstr << "</sampler2D>" << endstr;
PopTag();
@ -687,80 +686,63 @@ void ColladaExporter::WriteFloatEntry(const Property &pProperty, const std::stri
// ------------------------------------------------------------------------------------------------
// Writes the material setup
void ColladaExporter::WriteMaterials() {
std::vector<Material> materials;
materials.resize(mScene->mNumMaterials);
/// collect all materials from the scene
size_t numTextures = 0;
for (size_t a = 0; a < mScene->mNumMaterials; ++a) {
const aiMaterial *mat = mScene->mMaterials[a];
aiString name;
if (mat->Get(AI_MATKEY_NAME, name) != aiReturn_SUCCESS) {
name = "mat";
materials[a].name = std::string("m") + to_string(a) + name.C_Str();
} else {
// try to use the material's name if no other material has already taken it, else append #
std::string testName = name.C_Str();
size_t materialCountWithThisName = 0;
for (size_t i = 0; i < a; i++) {
if (materials[i].name == testName) {
materialCountWithThisName++;
}
}
if (materialCountWithThisName == 0) {
materials[a].name = name.C_Str();
} else {
materials[a].name = std::string(name.C_Str()) + to_string(materialCountWithThisName);
}
}
Material &material = materials[a];
material.id = GetObjectUniqueId(AiObjectType::Material, a);
material.name = GetObjectName(AiObjectType::Material, a);
const aiMaterial &mat = *(mScene->mMaterials[a]);
aiShadingMode shading = aiShadingMode_Flat;
materials[a].shading_model = "phong";
if (mat->Get(AI_MATKEY_SHADING_MODEL, shading) == aiReturn_SUCCESS) {
material.shading_model = "phong";
if (mat.Get(AI_MATKEY_SHADING_MODEL, shading) == aiReturn_SUCCESS) {
if (shading == aiShadingMode_Phong) {
materials[a].shading_model = "phong";
material.shading_model = "phong";
} else if (shading == aiShadingMode_Blinn) {
materials[a].shading_model = "blinn";
material.shading_model = "blinn";
} else if (shading == aiShadingMode_NoShading) {
materials[a].shading_model = "constant";
material.shading_model = "constant";
} else if (shading == aiShadingMode_Gouraud) {
materials[a].shading_model = "lambert";
material.shading_model = "lambert";
}
}
ReadMaterialSurface(materials[a].ambient, mat, aiTextureType_AMBIENT, AI_MATKEY_COLOR_AMBIENT);
if (!materials[a].ambient.texture.empty()) numTextures++;
ReadMaterialSurface(materials[a].diffuse, mat, aiTextureType_DIFFUSE, AI_MATKEY_COLOR_DIFFUSE);
if (!materials[a].diffuse.texture.empty()) numTextures++;
ReadMaterialSurface(materials[a].specular, mat, aiTextureType_SPECULAR, AI_MATKEY_COLOR_SPECULAR);
if (!materials[a].specular.texture.empty()) numTextures++;
ReadMaterialSurface(materials[a].emissive, mat, aiTextureType_EMISSIVE, AI_MATKEY_COLOR_EMISSIVE);
if (!materials[a].emissive.texture.empty()) numTextures++;
ReadMaterialSurface(materials[a].reflective, mat, aiTextureType_REFLECTION, AI_MATKEY_COLOR_REFLECTIVE);
if (!materials[a].reflective.texture.empty()) numTextures++;
ReadMaterialSurface(materials[a].transparent, mat, aiTextureType_OPACITY, AI_MATKEY_COLOR_TRANSPARENT);
if (!materials[a].transparent.texture.empty()) numTextures++;
ReadMaterialSurface(materials[a].normal, mat, aiTextureType_NORMALS, NULL, 0, 0);
if (!materials[a].normal.texture.empty()) numTextures++;
if (ReadMaterialSurface(material.ambient, mat, aiTextureType_AMBIENT, AI_MATKEY_COLOR_AMBIENT))
++numTextures;
if (ReadMaterialSurface(material.diffuse, mat, aiTextureType_DIFFUSE, AI_MATKEY_COLOR_DIFFUSE))
++numTextures;
if (ReadMaterialSurface(material.specular, mat, aiTextureType_SPECULAR, AI_MATKEY_COLOR_SPECULAR))
++numTextures;
if (ReadMaterialSurface(material.emissive, mat, aiTextureType_EMISSIVE, AI_MATKEY_COLOR_EMISSIVE))
++numTextures;
if (ReadMaterialSurface(material.reflective, mat, aiTextureType_REFLECTION, AI_MATKEY_COLOR_REFLECTIVE))
++numTextures;
if (ReadMaterialSurface(material.transparent, mat, aiTextureType_OPACITY, AI_MATKEY_COLOR_TRANSPARENT))
++numTextures;
if (ReadMaterialSurface(material.normal, mat, aiTextureType_NORMALS, nullptr, 0, 0))
++numTextures;
materials[a].shininess.exist = mat->Get(AI_MATKEY_SHININESS, materials[a].shininess.value) == aiReturn_SUCCESS;
materials[a].transparency.exist = mat->Get(AI_MATKEY_OPACITY, materials[a].transparency.value) == aiReturn_SUCCESS;
materials[a].index_refraction.exist = mat->Get(AI_MATKEY_REFRACTI, materials[a].index_refraction.value) == aiReturn_SUCCESS;
material.shininess.exist = mat.Get(AI_MATKEY_SHININESS, material.shininess.value) == aiReturn_SUCCESS;
material.transparency.exist = mat.Get(AI_MATKEY_OPACITY, material.transparency.value) == aiReturn_SUCCESS;
material.index_refraction.exist = mat.Get(AI_MATKEY_REFRACTI, material.index_refraction.value) == aiReturn_SUCCESS;
}
// output textures if present
if (numTextures > 0) {
mOutput << startstr << "<library_images>" << endstr;
PushTag();
for (std::vector<Material>::const_iterator it = materials.begin(); it != materials.end(); ++it) {
const Material &mat = *it;
WriteImageEntry(mat.ambient, mat.name + "-ambient-image");
WriteImageEntry(mat.diffuse, mat.name + "-diffuse-image");
WriteImageEntry(mat.specular, mat.name + "-specular-image");
WriteImageEntry(mat.emissive, mat.name + "-emission-image");
WriteImageEntry(mat.reflective, mat.name + "-reflective-image");
WriteImageEntry(mat.transparent, mat.name + "-transparent-image");
WriteImageEntry(mat.normal, mat.name + "-normal-image");
for (const Material &mat : materials) {
WriteImageEntry(mat.ambient, mat.id + "-ambient-image");
WriteImageEntry(mat.diffuse, mat.id + "-diffuse-image");
WriteImageEntry(mat.specular, mat.id + "-specular-image");
WriteImageEntry(mat.emissive, mat.id + "-emission-image");
WriteImageEntry(mat.reflective, mat.id + "-reflective-image");
WriteImageEntry(mat.transparent, mat.id + "-transparent-image");
WriteImageEntry(mat.normal, mat.id + "-normal-image");
}
PopTag();
mOutput << startstr << "</library_images>" << endstr;
@ -770,40 +752,39 @@ void ColladaExporter::WriteMaterials() {
if (!materials.empty()) {
mOutput << startstr << "<library_effects>" << endstr;
PushTag();
for (std::vector<Material>::const_iterator it = materials.begin(); it != materials.end(); ++it) {
const Material &mat = *it;
for (const Material &mat : materials) {
// this is so ridiculous it must be right
mOutput << startstr << "<effect id=\"" << XMLIDEncode(mat.name) << "-fx\" name=\"" << XMLEscape(mat.name) << "\">" << endstr;
mOutput << startstr << "<effect id=\"" << mat.id << "-fx\" name=\"" << mat.name << "\">" << endstr;
PushTag();
mOutput << startstr << "<profile_COMMON>" << endstr;
PushTag();
// write sampler- and surface params for the texture entries
WriteTextureParamEntry(mat.emissive, "emission", mat.name);
WriteTextureParamEntry(mat.ambient, "ambient", mat.name);
WriteTextureParamEntry(mat.diffuse, "diffuse", mat.name);
WriteTextureParamEntry(mat.specular, "specular", mat.name);
WriteTextureParamEntry(mat.reflective, "reflective", mat.name);
WriteTextureParamEntry(mat.transparent, "transparent", mat.name);
WriteTextureParamEntry(mat.normal, "normal", mat.name);
WriteTextureParamEntry(mat.emissive, "emission", mat.id);
WriteTextureParamEntry(mat.ambient, "ambient", mat.id);
WriteTextureParamEntry(mat.diffuse, "diffuse", mat.id);
WriteTextureParamEntry(mat.specular, "specular", mat.id);
WriteTextureParamEntry(mat.reflective, "reflective", mat.id);
WriteTextureParamEntry(mat.transparent, "transparent", mat.id);
WriteTextureParamEntry(mat.normal, "normal", mat.id);
mOutput << startstr << "<technique sid=\"standard\">" << endstr;
PushTag();
mOutput << startstr << "<" << mat.shading_model << ">" << endstr;
PushTag();
WriteTextureColorEntry(mat.emissive, "emission", mat.name + "-emission-sampler");
WriteTextureColorEntry(mat.ambient, "ambient", mat.name + "-ambient-sampler");
WriteTextureColorEntry(mat.diffuse, "diffuse", mat.name + "-diffuse-sampler");
WriteTextureColorEntry(mat.specular, "specular", mat.name + "-specular-sampler");
WriteTextureColorEntry(mat.emissive, "emission", mat.id + "-emission-sampler");
WriteTextureColorEntry(mat.ambient, "ambient", mat.id + "-ambient-sampler");
WriteTextureColorEntry(mat.diffuse, "diffuse", mat.id + "-diffuse-sampler");
WriteTextureColorEntry(mat.specular, "specular", mat.id + "-specular-sampler");
WriteFloatEntry(mat.shininess, "shininess");
WriteTextureColorEntry(mat.reflective, "reflective", mat.name + "-reflective-sampler");
WriteTextureColorEntry(mat.transparent, "transparent", mat.name + "-transparent-sampler");
WriteTextureColorEntry(mat.reflective, "reflective", mat.id + "-reflective-sampler");
WriteTextureColorEntry(mat.transparent, "transparent", mat.id + "-transparent-sampler");
WriteFloatEntry(mat.transparency, "transparency");
WriteFloatEntry(mat.index_refraction, "index_of_refraction");
if (!mat.normal.texture.empty()) {
WriteTextureColorEntry(mat.normal, "bump", mat.name + "-normal-sampler");
WriteTextureColorEntry(mat.normal, "bump", mat.id + "-normal-sampler");
}
PopTag();
@ -823,9 +804,9 @@ void ColladaExporter::WriteMaterials() {
PushTag();
for (std::vector<Material>::const_iterator it = materials.begin(); it != materials.end(); ++it) {
const Material &mat = *it;
mOutput << startstr << "<material id=\"" << XMLIDEncode(mat.name) << "\" name=\"" << XMLEscape(mat.name) << "\">" << endstr;
mOutput << startstr << "<material id=\"" << mat.id << "\" name=\"" << mat.name << "\">" << endstr;
PushTag();
mOutput << startstr << "<instance_effect url=\"#" << XMLIDEncode(mat.name) << "-fx\"/>" << endstr;
mOutput << startstr << "<instance_effect url=\"#" << mat.id << "-fx\"/>" << endstr;
PopTag();
mOutput << startstr << "</material>" << endstr;
}
@ -852,20 +833,18 @@ void ColladaExporter::WriteControllerLibrary() {
// Writes a skin controller of the given mesh
void ColladaExporter::WriteController(size_t pIndex) {
const aiMesh *mesh = mScene->mMeshes[pIndex];
const std::string idstr = mesh->mName.length == 0 ? GetMeshId(pIndex) : mesh->mName.C_Str();
const std::string idstrEscaped = XMLIDEncode(idstr);
if (mesh->mNumFaces == 0 || mesh->mNumVertices == 0)
// Is there a skin controller?
if (mesh->mNumBones == 0 || mesh->mNumFaces == 0 || mesh->mNumVertices == 0)
return;
if (mesh->mNumBones == 0)
return;
const std::string idstr = GetObjectUniqueId(AiObjectType::Mesh, pIndex);
const std::string namestr = GetObjectName(AiObjectType::Mesh, pIndex);
mOutput << startstr << "<controller id=\"" << idstrEscaped << "-skin\" ";
mOutput << startstr << "<controller id=\"" << idstr << "-skin\" ";
mOutput << "name=\"skinCluster" << pIndex << "\">" << endstr;
PushTag();
mOutput << startstr << "<skin source=\"#" << idstrEscaped << "\">" << endstr;
mOutput << startstr << "<skin source=\"#" << idstr << "\">" << endstr;
PushTag();
// bind pose matrix
@ -882,20 +861,20 @@ void ColladaExporter::WriteController(size_t pIndex) {
PopTag();
mOutput << startstr << "</bind_shape_matrix>" << endstr;
mOutput << startstr << "<source id=\"" << idstrEscaped << "-skin-joints\" name=\"" << idstrEscaped << "-skin-joints\">" << endstr;
mOutput << startstr << "<source id=\"" << idstr << "-skin-joints\" name=\"" << namestr << "-skin-joints\">" << endstr;
PushTag();
mOutput << startstr << "<Name_array id=\"" << idstrEscaped << "-skin-joints-array\" count=\"" << mesh->mNumBones << "\">";
mOutput << startstr << "<Name_array id=\"" << idstr << "-skin-joints-array\" count=\"" << mesh->mNumBones << "\">";
for (size_t i = 0; i < mesh->mNumBones; ++i)
mOutput << XMLIDEncode(mesh->mBones[i]->mName.C_Str()) << " ";
mOutput << GetBoneUniqueId(mesh->mBones[i]) << ' ';
mOutput << "</Name_array>" << endstr;
mOutput << startstr << "<technique_common>" << endstr;
PushTag();
mOutput << startstr << "<accessor source=\"#" << idstrEscaped << "-skin-joints-array\" count=\"" << mesh->mNumBones << "\" stride=\"" << 1 << "\">" << endstr;
mOutput << startstr << "<accessor source=\"#" << idstr << "-skin-joints-array\" count=\"" << mesh->mNumBones << "\" stride=\"" << 1 << "\">" << endstr;
PushTag();
mOutput << startstr << "<param name=\"JOINT\" type=\"Name\"></param>" << endstr;
@ -932,8 +911,8 @@ void ColladaExporter::WriteController(size_t pIndex) {
mOutput << startstr << "<joints>" << endstr;
PushTag();
mOutput << startstr << "<input semantic=\"JOINT\" source=\"#" << idstrEscaped << "-skin-joints\"></input>" << endstr;
mOutput << startstr << "<input semantic=\"INV_BIND_MATRIX\" source=\"#" << idstrEscaped << "-skin-bind_poses\"></input>" << endstr;
mOutput << startstr << "<input semantic=\"JOINT\" source=\"#" << idstr << "-skin-joints\"></input>" << endstr;
mOutput << startstr << "<input semantic=\"INV_BIND_MATRIX\" source=\"#" << idstr << "-skin-bind_poses\"></input>" << endstr;
PopTag();
mOutput << startstr << "</joints>" << endstr;
@ -941,8 +920,8 @@ void ColladaExporter::WriteController(size_t pIndex) {
mOutput << startstr << "<vertex_weights count=\"" << mesh->mNumVertices << "\">" << endstr;
PushTag();
mOutput << startstr << "<input semantic=\"JOINT\" source=\"#" << idstrEscaped << "-skin-joints\" offset=\"0\"></input>" << endstr;
mOutput << startstr << "<input semantic=\"WEIGHT\" source=\"#" << idstrEscaped << "-skin-weights\" offset=\"1\"></input>" << endstr;
mOutput << startstr << "<input semantic=\"JOINT\" source=\"#" << idstr << "-skin-joints\" offset=\"0\"></input>" << endstr;
mOutput << startstr << "<input semantic=\"WEIGHT\" source=\"#" << idstr << "-skin-weights\" offset=\"1\"></input>" << endstr;
mOutput << startstr << "<vcount>";
@ -1017,9 +996,8 @@ void ColladaExporter::WriteGeometryLibrary() {
// Writes the given mesh
void ColladaExporter::WriteGeometry(size_t pIndex) {
const aiMesh *mesh = mScene->mMeshes[pIndex];
const std::string idstr = mesh->mName.length == 0 ? GetMeshId(pIndex) : mesh->mName.C_Str();
const std::string geometryName = XMLEscape(idstr);
const std::string geometryId = XMLIDEncode(idstr);
const std::string geometryId = GetObjectUniqueId(AiObjectType::Mesh, pIndex);
const std::string geometryName = GetObjectName(AiObjectType::Mesh, pIndex);
if (mesh->mNumFaces == 0 || mesh->mNumVertices == 0)
return;
@ -1032,15 +1010,15 @@ void ColladaExporter::WriteGeometry(size_t pIndex) {
PushTag();
// Positions
WriteFloatArray(idstr + "-positions", FloatType_Vector, (ai_real *)mesh->mVertices, mesh->mNumVertices);
WriteFloatArray(geometryId + "-positions", FloatType_Vector, (ai_real *)mesh->mVertices, mesh->mNumVertices);
// Normals, if any
if (mesh->HasNormals())
WriteFloatArray(idstr + "-normals", FloatType_Vector, (ai_real *)mesh->mNormals, mesh->mNumVertices);
WriteFloatArray(geometryId + "-normals", FloatType_Vector, (ai_real *)mesh->mNormals, mesh->mNumVertices);
// texture coords
for (size_t a = 0; a < AI_MAX_NUMBER_OF_TEXTURECOORDS; ++a) {
if (mesh->HasTextureCoords(static_cast<unsigned int>(a))) {
WriteFloatArray(idstr + "-tex" + to_string(a), mesh->mNumUVComponents[a] == 3 ? FloatType_TexCoord3 : FloatType_TexCoord2,
WriteFloatArray(geometryId + "-tex" + to_string(a), mesh->mNumUVComponents[a] == 3 ? FloatType_TexCoord3 : FloatType_TexCoord2,
(ai_real *)mesh->mTextureCoords[a], mesh->mNumVertices);
}
}
@ -1048,7 +1026,7 @@ void ColladaExporter::WriteGeometry(size_t pIndex) {
// vertex colors
for (size_t a = 0; a < AI_MAX_NUMBER_OF_TEXTURECOORDS; ++a) {
if (mesh->HasVertexColors(static_cast<unsigned int>(a)))
WriteFloatArray(idstr + "-color" + to_string(a), FloatType_Color, (ai_real *)mesh->mColors[a], mesh->mNumVertices);
WriteFloatArray(geometryId + "-color" + to_string(a), FloatType_Color, (ai_real *)mesh->mColors[a], mesh->mNumVertices);
}
// assemble vertex structure
@ -1248,8 +1226,8 @@ void ColladaExporter::WriteFloatArray(const std::string &pIdString, FloatDataTyp
// ------------------------------------------------------------------------------------------------
// Writes the scene library
void ColladaExporter::WriteSceneLibrary() {
const std::string sceneName = XMLEscape(mScene->mRootNode->mName.C_Str());
const std::string sceneId = XMLIDEncode(mScene->mRootNode->mName.C_Str());
const std::string sceneId = GetNodeUniqueId(mScene->mRootNode);
const std::string sceneName = GetNodeName(mScene->mRootNode);
mOutput << startstr << "<library_visual_scenes>" << endstr;
PushTag();
@ -1258,7 +1236,7 @@ void ColladaExporter::WriteSceneLibrary() {
// start recursive write at the root node
for (size_t a = 0; a < mScene->mRootNode->mNumChildren; ++a)
WriteNode(mScene, mScene->mRootNode->mChildren[a]);
WriteNode(mScene->mRootNode->mChildren[a]);
PopTag();
mOutput << startstr << "</visual_scene>" << endstr;
@ -1272,20 +1250,10 @@ void ColladaExporter::WriteAnimationLibrary(size_t pIndex) {
if (anim->mNumChannels == 0 && anim->mNumMeshChannels == 0 && anim->mNumMorphMeshChannels == 0)
return;
const std::string animation_name_escaped = XMLEscape(anim->mName.C_Str());
std::string idstr = anim->mName.C_Str();
std::string ending = std::string("AnimId") + to_string(pIndex);
if (idstr.length() >= ending.length()) {
if (0 != idstr.compare(idstr.length() - ending.length(), ending.length(), ending)) {
idstr = idstr + ending;
}
} else {
idstr = idstr + ending;
}
const std::string animationNameEscaped = GetObjectName(AiObjectType::Animation, pIndex);
const std::string idstrEscaped = GetObjectUniqueId(AiObjectType::Animation, pIndex);
const std::string idstrEscaped = XMLIDEncode(idstr);
mOutput << startstr << "<animation id=\"" + idstrEscaped + "\" name=\"" + animation_name_escaped + "\">" << endstr;
mOutput << startstr << "<animation id=\"" + idstrEscaped + "\" name=\"" + animationNameEscaped + "\">" << endstr;
PushTag();
std::string cur_node_idstr;
@ -1435,20 +1403,21 @@ void ColladaExporter::WriteAnimationsLibrary() {
}
// ------------------------------------------------------------------------------------------------
// Helper to find a bone by name in the scene
aiBone *findBone(const aiScene *scene, const char *name) {
aiBone *findBone(const aiScene *scene, const aiString &name) {
for (size_t m = 0; m < scene->mNumMeshes; m++) {
aiMesh *mesh = scene->mMeshes[m];
for (size_t b = 0; b < mesh->mNumBones; b++) {
aiBone *bone = mesh->mBones[b];
if (0 == strcmp(name, bone->mName.C_Str())) {
if (name == bone->mName) {
return bone;
}
}
}
return NULL;
return nullptr;
}
// ------------------------------------------------------------------------------------------------
// Helper to find the node associated with a bone in the scene
const aiNode *findBoneNode(const aiNode *aNode, const aiBone *bone) {
if (aNode && bone && aNode->mName == bone->mName) {
return aNode;
@ -1457,15 +1426,17 @@ const aiNode *findBoneNode(const aiNode *aNode, const aiBone *bone) {
if (aNode && bone) {
for (unsigned int i = 0; i < aNode->mNumChildren; ++i) {
aiNode *aChild = aNode->mChildren[i];
const aiNode *foundFromChild = 0;
const aiNode *foundFromChild = nullptr;
if (aChild) {
foundFromChild = findBoneNode(aChild, bone);
if (foundFromChild) return foundFromChild;
if (foundFromChild) {
return foundFromChild;
}
}
}
}
return NULL;
return nullptr;
}
const aiNode *findSkeletonRootNode(const aiScene *scene, const aiMesh *mesh) {
@ -1476,7 +1447,7 @@ const aiNode *findSkeletonRootNode(const aiScene *scene, const aiMesh *mesh) {
const aiNode *node = findBoneNode(scene->mRootNode, bone);
if (node) {
while (node->mParent && findBone(scene, node->mParent->mName.C_Str()) != 0) {
while (node->mParent && findBone(scene, node->mParent->mName) != nullptr) {
node = node->mParent;
}
topParentBoneNodes.insert(node);
@ -1496,36 +1467,30 @@ const aiNode *findSkeletonRootNode(const aiScene *scene, const aiMesh *mesh) {
}
}
return NULL;
return nullptr;
}
// ------------------------------------------------------------------------------------------------
// Recursively writes the given node
void ColladaExporter::WriteNode(const aiScene *pScene, aiNode *pNode) {
// the node must have a name
if (pNode->mName.length == 0) {
std::stringstream ss;
ss << "Node_" << pNode;
pNode->mName.Set(ss.str());
}
void ColladaExporter::WriteNode(const aiNode *pNode) {
// If the node is associated with a bone, it is a joint node (JOINT)
// otherwise it is a normal node (NODE)
// Assimp-specific: nodes with no name cannot be associated with bones
const char *node_type;
bool is_joint, is_skeleton_root = false;
if (nullptr == findBone(pScene, pNode->mName.C_Str())) {
if (pNode->mName.length == 0 || nullptr == findBone(mScene, pNode->mName)) {
node_type = "NODE";
is_joint = false;
} else {
node_type = "JOINT";
is_joint = true;
if (!pNode->mParent || nullptr == findBone(pScene, pNode->mParent->mName.C_Str())) {
if (!pNode->mParent || nullptr == findBone(mScene, pNode->mParent->mName)) {
is_skeleton_root = true;
}
}
const std::string node_id = XMLIDEncode(pNode->mName.data);
const std::string node_name = XMLEscape(pNode->mName.data);
const std::string node_id = GetNodeUniqueId(pNode);
const std::string node_name = GetNodeName(pNode);
mOutput << startstr << "<node ";
if (is_skeleton_root) {
mOutput << "id=\"" << node_id << "\" " << (is_joint ? "sid=\"" + node_id + "\" " : ""); // For now, only support one skeleton in a scene.
@ -1573,14 +1538,14 @@ void ColladaExporter::WriteNode(const aiScene *pScene, aiNode *pNode) {
//check if it is a camera node
for (size_t i = 0; i < mScene->mNumCameras; i++) {
if (mScene->mCameras[i]->mName == pNode->mName) {
mOutput << startstr << "<instance_camera url=\"#" << node_id << "-camera\"/>" << endstr;
mOutput << startstr << "<instance_camera url=\"#" << GetObjectUniqueId(AiObjectType::Camera, i) << "\"/>" << endstr;
break;
}
}
//check if it is a light node
for (size_t i = 0; i < mScene->mNumLights; i++) {
if (mScene->mLights[i]->mName == pNode->mName) {
mOutput << startstr << "<instance_light url=\"#" << node_id << "-light\"/>" << endstr;
mOutput << startstr << "<instance_light url=\"#" << GetObjectUniqueId(AiObjectType::Light, i) << "\"/>" << endstr;
break;
}
}
@ -1593,22 +1558,22 @@ void ColladaExporter::WriteNode(const aiScene *pScene, aiNode *pNode) {
if (mesh->mNumFaces == 0 || mesh->mNumVertices == 0)
continue;
const std::string meshName = mesh->mName.length == 0 ? GetMeshId(pNode->mMeshes[a]) : mesh->mName.C_Str();
const std::string meshId = GetObjectUniqueId(AiObjectType::Mesh, pNode->mMeshes[a]);
if (mesh->mNumBones == 0) {
mOutput << startstr << "<instance_geometry url=\"#" << XMLIDEncode(meshName) << "\">" << endstr;
mOutput << startstr << "<instance_geometry url=\"#" << meshId << "\">" << endstr;
PushTag();
} else {
mOutput << startstr
<< "<instance_controller url=\"#" << XMLIDEncode(meshName) << "-skin\">"
<< "<instance_controller url=\"#" << meshId << "-skin\">"
<< endstr;
PushTag();
// note! this mFoundSkeletonRootNodeID some how affects animation, it makes the mesh attaches to armature skeleton root node.
// use the first bone to find skeleton root
const aiNode *skeletonRootBoneNode = findSkeletonRootNode(pScene, mesh);
const aiNode *skeletonRootBoneNode = findSkeletonRootNode(mScene, mesh);
if (skeletonRootBoneNode) {
mFoundSkeletonRootNodeID = XMLIDEncode(skeletonRootBoneNode->mName.C_Str());
mFoundSkeletonRootNodeID = GetNodeUniqueId(skeletonRootBoneNode);
}
mOutput << startstr << "<skeleton>#" << mFoundSkeletonRootNodeID << "</skeleton>" << endstr;
}
@ -1616,7 +1581,7 @@ void ColladaExporter::WriteNode(const aiScene *pScene, aiNode *pNode) {
PushTag();
mOutput << startstr << "<technique_common>" << endstr;
PushTag();
mOutput << startstr << "<instance_material symbol=\"defaultMaterial\" target=\"#" << XMLIDEncode(materials[mesh->mMaterialIndex].name) << "\">" << endstr;
mOutput << startstr << "<instance_material symbol=\"defaultMaterial\" target=\"#" << GetObjectUniqueId(AiObjectType::Material, mesh->mMaterialIndex) << "\">" << endstr;
PushTag();
for (size_t aa = 0; aa < AI_MAX_NUMBER_OF_TEXTURECOORDS; ++aa) {
if (mesh->HasTextureCoords(static_cast<unsigned int>(aa)))
@ -1641,11 +1606,152 @@ void ColladaExporter::WriteNode(const aiScene *pScene, aiNode *pNode) {
// recurse into subnodes
for (size_t a = 0; a < pNode->mNumChildren; ++a)
WriteNode(pScene, pNode->mChildren[a]);
WriteNode(pNode->mChildren[a]);
PopTag();
mOutput << startstr << "</node>" << endstr;
}
inline bool IsUniqueId(const std::unordered_set<std::string> &idSet, const std::string &idStr) {
return (idSet.find(idStr) == idSet.end());
}
inline std::string MakeUniqueId(const std::unordered_set<std::string> &idSet, const std::string &idPrefix, const std::string &postfix) {
std::string result(idPrefix + postfix);
if (!IsUniqueId(idSet, result)) {
// Select a number to append
size_t idnum = 1;
do {
result = idPrefix + '_' + to_string(idnum) + postfix;
++idnum;
} while (!IsUniqueId(idSet, result));
}
return result;
}
void ColladaExporter::CreateNodeIds(const aiNode *node) {
GetNodeUniqueId(node);
for (size_t a = 0; a < node->mNumChildren; ++a)
CreateNodeIds(node->mChildren[a]);
}
std::string ColladaExporter::GetNodeUniqueId(const aiNode *node) {
// Use the pointer as the key. This is safe because the scene is immutable.
auto idIt = mNodeIdMap.find(node);
if (idIt != mNodeIdMap.cend())
return idIt->second;
// Prefer the requested Collada Id if extant
std::string idStr;
aiString origId;
if (node->mMetaData && node->mMetaData->Get(AI_METADATA_COLLADA_ID, origId)) {
idStr = origId.C_Str();
} else {
idStr = node->mName.C_Str();
}
// Make sure the requested id is valid
if (idStr.empty())
idStr = "node";
else
idStr = XMLIDEncode(idStr);
// Ensure it's unique
idStr = MakeUniqueId(mUniqueIds, idStr, std::string());
mUniqueIds.insert(idStr);
mNodeIdMap.insert(std::make_pair(node, idStr));
return idStr;
}
std::string ColladaExporter::GetNodeName(const aiNode *node) {
return XMLEscape(node->mName.C_Str());
}
std::string ColladaExporter::GetBoneUniqueId(const aiBone *bone) {
// Find the Node that is this Bone
const aiNode *boneNode = findBoneNode(mScene->mRootNode, bone);
if (boneNode == nullptr)
return std::string();
return GetNodeUniqueId(boneNode);
}
std::string ColladaExporter::GetObjectUniqueId(AiObjectType type, size_t pIndex) {
auto idIt = GetObjectIdMap(type).find(pIndex);
if (idIt != GetObjectIdMap(type).cend())
return idIt->second;
// Not seen this object before, create and add
NameIdPair result = AddObjectIndexToMaps(type, pIndex);
return result.second;
}
std::string ColladaExporter::GetObjectName(AiObjectType type, size_t pIndex) {
auto objectName = GetObjectNameMap(type).find(pIndex);
if (objectName != GetObjectNameMap(type).cend())
return objectName->second;
// Not seen this object before, create and add
NameIdPair result = AddObjectIndexToMaps(type, pIndex);
return result.first;
}
// Determine unique id and add the name and id to the maps
// @param type object type
// @param index object index
// @param name in/out. Caller to set the original name if known.
// @param idStr in/out. Caller to set the preferred id if known.
ColladaExporter::NameIdPair ColladaExporter::AddObjectIndexToMaps(AiObjectType type, size_t index) {
std::string name;
std::string idStr;
std::string idPostfix;
// Get the name and id postfix
switch (type) {
case AiObjectType::Mesh: name = mScene->mMeshes[index]->mName.C_Str(); break;
case AiObjectType::Material: name = mScene->mMaterials[index]->GetName().C_Str(); break;
case AiObjectType::Animation: name = mScene->mAnimations[index]->mName.C_Str(); break;
case AiObjectType::Light:
name = mScene->mLights[index]->mName.C_Str();
idPostfix = "-light";
break;
case AiObjectType::Camera:
name = mScene->mCameras[index]->mName.C_Str();
idPostfix = "-camera";
break;
case AiObjectType::Count: throw std::logic_error("ColladaExporter::AiObjectType::Count is not an object type");
}
if (name.empty()) {
// Default ids if empty name
switch (type) {
case AiObjectType::Mesh: idStr = std::string("mesh_"); break;
case AiObjectType::Material: idStr = std::string("material_"); break; // This one should never happen
case AiObjectType::Animation: idStr = std::string("animation_"); break;
case AiObjectType::Light: idStr = std::string("light_"); break;
case AiObjectType::Camera: idStr = std::string("camera_"); break;
case AiObjectType::Count: throw std::logic_error("ColladaExporter::AiObjectType::Count is not an object type");
}
idStr.append(to_string(index));
} else {
idStr = XMLIDEncode(name);
}
if (!name.empty())
name = XMLEscape(name);
idStr = MakeUniqueId(mUniqueIds, idStr, idPostfix);
// Add to maps
mUniqueIds.insert(idStr);
GetObjectIdMap(type).insert(std::make_pair(index, idStr));
GetObjectNameMap(type).insert(std::make_pair(index, name));
return std::make_pair(name, idStr);
}
} // end of namespace Assimp
#endif
#endif

104
code/AssetLib/Collada/ColladaExporter.h
View File

@ -48,25 +48,25 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include <assimp/ai_assert.h>
#include <assimp/material.h>
#include <assimp/mesh.h>
#include <assimp/light.h>
#include <assimp/Exporter.hpp>
#include <sstream>
#include <vector>
#include <map>
#include <assimp/StringUtils.h>
#include <array>
#include <map>
#include <sstream>
#include <unordered_set>
#include <vector>
struct aiScene;
struct aiNode;
struct aiLight;
struct aiBone;
namespace Assimp
{
namespace Assimp {
class IOSystem;
/// Helper class to export a given scene to a Collada file. Just for my personal
/// comfort when implementing it.
class ColladaExporter
{
class ColladaExporter {
public:
/// Constructor for a specific scene to export
ColladaExporter(const aiScene *pScene, IOSystem *pIOSystem, const std::string &path, const std::string &file);
@ -117,7 +117,13 @@ protected:
//enum FloatDataType { FloatType_Vector, FloatType_TexCoord2, FloatType_TexCoord3, FloatType_Color, FloatType_Mat4x4, FloatType_Weight };
// customized to add animation related type
enum FloatDataType { FloatType_Vector, FloatType_TexCoord2, FloatType_TexCoord3, FloatType_Color, FloatType_Mat4x4, FloatType_Weight, FloatType_Time };
enum FloatDataType { FloatType_Vector,
FloatType_TexCoord2,
FloatType_TexCoord3,
FloatType_Color,
FloatType_Mat4x4,
FloatType_Weight,
FloatType_Time };
/// Writes a float array of the given type
void WriteFloatArray(const std::string &pIdString, FloatDataType pType, const ai_real *pData, size_t pElementCount);
@ -131,7 +137,7 @@ protected:
std::string mFoundSkeletonRootNodeID = "skeleton_root"; // will be replaced by found node id in the WriteNode call.
/// Recursively writes the given node
void WriteNode( const aiScene* scene, aiNode* pNode);
void WriteNode(const aiNode *pNode);
/// Enters a new xml element, which increases the indentation
void PushTag() { startstr.append(" "); }
@ -141,10 +147,40 @@ protected:
startstr.erase(startstr.length() - 2);
}
/// Creates a mesh ID for the given mesh
std::string GetMeshId( size_t pIndex) const {
return std::string( "meshId" ) + to_string(pIndex);
}
void CreateNodeIds(const aiNode *node);
/// Get or Create a unique Node ID string for the given Node
std::string GetNodeUniqueId(const aiNode *node);
std::string GetNodeName(const aiNode *node);
std::string GetBoneUniqueId(const aiBone *bone);
enum class AiObjectType {
Mesh,
Material,
Animation,
Light,
Camera,
Count,
};
/// Get or Create a unique ID string for the given scene object index
std::string GetObjectUniqueId(AiObjectType type, size_t pIndex);
/// Get or Create a name string for the given scene object index
std::string GetObjectName(AiObjectType type, size_t pIndex);
typedef std::map<size_t, std::string> IndexIdMap;
typedef std::pair<std::string, std::string> NameIdPair;
NameIdPair AddObjectIndexToMaps(AiObjectType type, size_t pIndex);
// Helpers
inline IndexIdMap &GetObjectIdMap(AiObjectType type) { return mObjectIdMap[static_cast<size_t>(type)]; }
inline IndexIdMap &GetObjectNameMap(AiObjectType type) { return mObjectNameMap[static_cast<size_t>(type)]; }
private:
std::unordered_set<std::string> mUniqueIds; // Cache of used unique ids
std::map<const void *, std::string> mNodeIdMap; // Cache of encoded node and bone ids
std::array<IndexIdMap, static_cast<size_t>(AiObjectType::Count)> mObjectIdMap; // Cache of encoded unique IDs
std::array<IndexIdMap, static_cast<size_t>(AiObjectType::Count)> mObjectNameMap; // Cache of encoded names
public:
/// Stringstream to write all output into
@ -169,28 +205,28 @@ public:
std::string endstr;
// pair of color and texture - texture precedences color
struct Surface
{
struct Surface {
bool exist;
aiColor4D color;
std::string texture;
size_t channel;
Surface() { exist = false; channel = 0; }
Surface() {
exist = false;
channel = 0;
}
};
struct Property
{
struct Property {
bool exist;
ai_real value;
Property()
: exist(false)
, value(0.0)
{}
Property() :
exist(false),
value(0.0) {}
};
// summarize a material in an convenient way.
struct Material
{
struct Material {
std::string id;
std::string name;
std::string shading_model;
Surface ambient, diffuse, specular, emissive, reflective, transparent, normal;
@ -199,24 +235,22 @@ public:
Material() {}
};
std::vector<Material> materials;
std::map<unsigned int, std::string> textures;
public:
/// Dammit C++ - y u no compile two-pass? No I have to add all methods below the struct definitions
/// Reads a single surface entry from the given material keys
void ReadMaterialSurface( Surface& poSurface, const aiMaterial* pSrcMat, aiTextureType pTexture, const char* pKey, size_t pType, size_t pIndex);
bool ReadMaterialSurface(Surface &poSurface, const aiMaterial &pSrcMat, aiTextureType pTexture, const char *pKey, size_t pType, size_t pIndex);
/// Writes an image entry for the given surface
void WriteImageEntry( const Surface& pSurface, const std::string& pNameAdd);
void WriteImageEntry(const Surface &pSurface, const std::string &imageId);
/// Writes the two parameters necessary for referencing a texture in an effect entry
void WriteTextureParamEntry( const Surface& pSurface, const std::string& pTypeName, const std::string& pMatName);
void WriteTextureParamEntry(const Surface &pSurface, const std::string &pTypeName, const std::string &materialId);
/// Writes a color-or-texture entry into an effect definition
void WriteTextureColorEntry( const Surface& pSurface, const std::string& pTypeName, const std::string& pImageName);
void WriteTextureColorEntry(const Surface &pSurface, const std::string &pTypeName, const std::string &imageId);
/// Writes a scalar property
void WriteFloatEntry(const Property &pProperty, const std::string &pTypeName);
};
}
} // namespace Assimp
#endif // !! AI_COLLADAEXPORTER_H_INC

21
code/AssetLib/Collada/ColladaHelper.cpp
View File

@ -43,8 +43,8 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include "ColladaHelper.h"
#include <assimp/commonMetaData.h>
#include <assimp/ParsingUtils.h>
#include <assimp/commonMetaData.h>
namespace Assimp {
namespace Collada {
@ -63,39 +63,32 @@ const MetaKeyPairVector &GetColladaAssimpMetaKeys() {
const MetaKeyPairVector MakeColladaAssimpMetaKeysCamelCase() {
MetaKeyPairVector result = MakeColladaAssimpMetaKeys();
for (auto &val : result)
{
for (auto &val : result) {
ToCamelCase(val.first);
}
return result;
};
const MetaKeyPairVector &GetColladaAssimpMetaKeysCamelCase()
{
const MetaKeyPairVector &GetColladaAssimpMetaKeysCamelCase() {
static const MetaKeyPairVector result = MakeColladaAssimpMetaKeysCamelCase();
return result;
}
// ------------------------------------------------------------------------------------------------
// Convert underscore_separated to CamelCase: "authoring_tool" becomes "AuthoringTool"
void ToCamelCase(std::string &text)
{
void ToCamelCase(std::string &text) {
if (text.empty())
return;
// Capitalise first character
auto it = text.begin();
(*it) = ToUpper(*it);
++it;
for (/*started above*/ ; it != text.end(); /*iterated below*/)
{
if ((*it) == '_')
{
for (/*started above*/; it != text.end(); /*iterated below*/) {
if ((*it) == '_') {
it = text.erase(it);
if (it != text.end())
(*it) = ToUpper(*it);
}
else
{
} else {
// Make lower case
(*it) = ToLower(*it);
++it;

273
code/AssetLib/Collada/ColladaHelper.h
View File

@ -45,13 +45,13 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#ifndef AI_COLLADAHELPER_H_INC
#define AI_COLLADAHELPER_H_INC
#include <map>
#include <vector>
#include <set>
#include <stdint.h>
#include <assimp/light.h>
#include <assimp/mesh.h>
#include <assimp/material.h>
#include <assimp/mesh.h>
#include <stdint.h>
#include <map>
#include <set>
#include <vector>
struct aiMaterial;
@ -59,17 +59,14 @@ namespace Assimp {
namespace Collada {
/** Collada file versions which evolved during the years ... */
enum FormatVersion
{
enum FormatVersion {
FV_1_5_n,
FV_1_4_n,
FV_1_3_n
};
/** Transformation types that can be applied to a node */
enum TransformType
{
enum TransformType {
TF_LOOKAT,
TF_ROTATE,
TF_TRANSLATE,
@ -79,8 +76,7 @@ enum TransformType
};
/** Different types of input data to a vertex or face */
enum InputType
{
enum InputType {
IT_Invalid,
IT_Vertex, // special type for per-index data referring to the <vertices> element carrying the per-vertex data.
IT_Position,
@ -92,15 +88,13 @@ enum InputType
};
/** Supported controller types */
enum ControllerType
{
enum ControllerType {
Skin,
Morph
};
/** Supported morph methods */
enum MorphMethod
{
enum MorphMethod {
Normalized,
Relative
};
@ -118,24 +112,21 @@ const MetaKeyPairVector &GetColladaAssimpMetaKeysCamelCase();
void ToCamelCase(std::string &text);
/** Contains all data for one of the different transformation types */
struct Transform
{
struct Transform {
std::string mID; ///< SID of the transform step, by which anim channels address their target node
TransformType mType;
ai_real f[16]; ///< Interpretation of data depends on the type of the transformation
};
/** A collada camera. */
struct Camera
{
Camera()
: mOrtho (false)
, mHorFov (10e10f)
, mVerFov (10e10f)
, mAspect (10e10f)
, mZNear (0.1f)
, mZFar (1000.f)
{}
struct Camera {
Camera() :
mOrtho(false),
mHorFov(10e10f),
mVerFov(10e10f),
mAspect(10e10f),
mZNear(0.1f),
mZFar(1000.f) {}
// Name of camera
std::string mName;
@ -159,19 +150,17 @@ struct Camera
#define ASSIMP_COLLADA_LIGHT_ANGLE_NOT_SET 1e9f
/** A collada light source. */
struct Light
{
Light()
: mType (aiLightSource_UNDEFINED)
, mAttConstant (1.f)
, mAttLinear (0.f)
, mAttQuadratic (0.f)
, mFalloffAngle (180.f)
, mFalloffExponent (0.f)
, mPenumbraAngle (ASSIMP_COLLADA_LIGHT_ANGLE_NOT_SET)
, mOuterAngle (ASSIMP_COLLADA_LIGHT_ANGLE_NOT_SET)
, mIntensity (1.f)
{}
struct Light {
Light() :
mType(aiLightSource_UNDEFINED),
mAttConstant(1.f),
mAttLinear(0.f),
mAttQuadratic(0.f),
mFalloffAngle(180.f),
mFalloffExponent(0.f),
mPenumbraAngle(ASSIMP_COLLADA_LIGHT_ANGLE_NOT_SET),
mOuterAngle(ASSIMP_COLLADA_LIGHT_ANGLE_NOT_SET),
mIntensity(1.f) {}
//! Type of the light source aiLightSourceType + ambient
unsigned int mType;
@ -198,12 +187,10 @@ struct Light
};
/** Short vertex index description */
struct InputSemanticMapEntry
{
InputSemanticMapEntry()
: mSet(0)
, mType(IT_Invalid)
{}
struct InputSemanticMapEntry {
InputSemanticMapEntry() :
mSet(0),
mType(IT_Invalid) {}
//! Index of set, optional
unsigned int mSet;
@ -213,8 +200,7 @@ struct InputSemanticMapEntry
};
/** Table to map from effect to vertex input semantics */
struct SemanticMappingTable
{
struct SemanticMappingTable {
//! Name of material
std::string mMatName;
@ -230,8 +216,7 @@ struct SemanticMappingTable
/** A reference to a mesh inside a node, including materials assigned to the various subgroups.
* The ID refers to either a mesh or a controller which specifies the mesh
*/
struct MeshInstance
{
struct MeshInstance {
///< ID of the mesh or controller to be instanced
std::string mMeshOrController;
@ -240,29 +225,25 @@ struct MeshInstance
};
/** A reference to a camera inside a node*/
struct CameraInstance
{
struct CameraInstance {
///< ID of the camera
std::string mCamera;
};
/** A reference to a light inside a node*/
struct LightInstance
{
struct LightInstance {
///< ID of the camera
std::string mLight;
};
/** A reference to a node inside a node*/
struct NodeInstance
{
struct NodeInstance {
///< ID of the node
std::string mNode;
};
/** A node in a scene hierarchy */
struct Node
{
struct Node {
std::string mName;
std::string mID;
std::string mSID;
@ -288,8 +269,8 @@ struct Node
std::string mPrimaryCamera;
//! Constructor. Begin with a zero parent
Node()
: mParent( nullptr ){
Node() :
mParent(nullptr) {
// empty
}
@ -301,16 +282,14 @@ struct Node
};
/** Data source array: either floats or strings */
struct Data
{
struct Data {
bool mIsStringArray;
std::vector<ai_real> mValues;
std::vector<std::string> mStrings;
};
/** Accessor to a data array */
struct Accessor
{
struct Accessor {
size_t mCount; // in number of objects
size_t mSize; // size of an object, in elements (floats or strings, mostly 1)
size_t mOffset; // in number of values
@ -321,47 +300,52 @@ struct Accessor
std::string mSource; // URL of the source array
mutable const Data *mData; // Pointer to the source array, if resolved. NULL else
Accessor()
{
mCount = 0; mSize = 0; mOffset = 0; mStride = 0; mData = NULL;
Accessor() {
mCount = 0;
mSize = 0;
mOffset = 0;
mStride = 0;
mData = NULL;
mSubOffset[0] = mSubOffset[1] = mSubOffset[2] = mSubOffset[3] = 0;
}
};
/** A single face in a mesh */
struct Face
{
struct Face {
std::vector<size_t> mIndices;
};
/** An input channel for mesh data, referring to a single accessor */
struct InputChannel
{
struct InputChannel {
InputType mType; // Type of the data
size_t mIndex; // Optional index, if multiple sets of the same data type are given
size_t mOffset; // Index offset in the indices array of per-face indices. Don't ask, can't explain that any better.
std::string mAccessor; // ID of the accessor where to read the actual values from.
mutable const Accessor *mResolved; // Pointer to the accessor, if resolved. NULL else
InputChannel() { mType = IT_Invalid; mIndex = 0; mOffset = 0; mResolved = NULL; }
InputChannel() {
mType = IT_Invalid;
mIndex = 0;
mOffset = 0;
mResolved = NULL;
}
};
/** Subset of a mesh with a certain material */
struct SubMesh
{
struct SubMesh {
std::string mMaterial; ///< subgroup identifier
size_t mNumFaces; ///< number of faces in this submesh
};
/** Contains data for a single mesh */
struct Mesh
{
Mesh()
{
struct Mesh {
Mesh(const std::string &id) :
mId(id) {
for (unsigned int i = 0; i < AI_MAX_NUMBER_OF_TEXTURECOORDS; ++i)
mNumUVComponents[i] = 2;
}
const std::string mId;
std::string mName;
// just to check if there's some sophisticated addressing involved...
@ -394,8 +378,7 @@ struct Mesh
};
/** Which type of primitives the ReadPrimitives() function is going to read */
enum PrimitiveType
{
enum PrimitiveType {
Prim_Invalid,
Prim_Lines,
Prim_LineStrip,
@ -407,8 +390,7 @@ enum PrimitiveType
};
/** A skeleton controller to deform a mesh with the use of joints */
struct Controller
{
struct Controller {
// controller type
ControllerType mType;
@ -443,29 +425,25 @@ struct Controller
};
/** A collada material. Pretty much the only member is a reference to an effect. */
struct Material
{
struct Material {
std::string mName;
std::string mEffect;
};
/** Type of the effect param */
enum ParamType
{
enum ParamType {
Param_Sampler,
Param_Surface
};
/** A param for an effect. Might be of several types, but they all just refer to each other, so I summarize them */
struct EffectParam
{
struct EffectParam {
ParamType mType;
std::string mReference; // to which other thing the param is referring to.
};
/** Shading type supported by the standard effect spec of Collada */
enum ShadeType
{
enum ShadeType {
Shade_Invalid,
Shade_Constant,
Shade_Lambert,
@ -474,18 +452,16 @@ enum ShadeType
};
/** Represents a texture sampler in collada */
struct Sampler
{
Sampler()
: mWrapU (true)
, mWrapV (true)
, mMirrorU ()
, mMirrorV ()
, mOp (aiTextureOp_Multiply)
, mUVId (UINT_MAX)
, mWeighting (1.f)
, mMixWithPrevious (1.f)
{}
struct Sampler {
Sampler() :
mWrapU(true),
mWrapV(true),
mMirrorU(),
mMirrorV(),
mOp(aiTextureOp_Multiply),
mUVId(UINT_MAX),
mWeighting(1.f),
mMixWithPrevious(1.f) {}
/** Name of image reference
*/
@ -537,8 +513,7 @@ struct Sampler
/** A collada effect. Can contain about anything according to the Collada spec,
but we limit our version to a reasonable subset. */
struct Effect
{
struct Effect {
// Shading mode
ShadeType mShadeType;
@ -566,30 +541,28 @@ struct Effect
// Double-sided?
bool mDoubleSided, mWireframe, mFaceted;
Effect()
: mShadeType (Shade_Phong)
, mEmissive ( 0, 0, 0, 1)
, mAmbient ( 0.1f, 0.1f, 0.1f, 1)
, mDiffuse ( 0.6f, 0.6f, 0.6f, 1)
, mSpecular ( 0.4f, 0.4f, 0.4f, 1)
, mTransparent ( 0, 0, 0, 1)
, mShininess (10.0f)
, mRefractIndex (1.f)
, mReflectivity (0.f)
, mTransparency (1.f)
, mHasTransparency (false)
, mRGBTransparency(false)
, mInvertTransparency(false)
, mDoubleSided (false)
, mWireframe (false)
, mFaceted (false)
{
Effect() :
mShadeType(Shade_Phong),
mEmissive(0, 0, 0, 1),
mAmbient(0.1f, 0.1f, 0.1f, 1),
mDiffuse(0.6f, 0.6f, 0.6f, 1),
mSpecular(0.4f, 0.4f, 0.4f, 1),
mTransparent(0, 0, 0, 1),
mShininess(10.0f),
mRefractIndex(1.f),
mReflectivity(0.f),
mTransparency(1.f),
mHasTransparency(false),
mRGBTransparency(false),
mInvertTransparency(false),
mDoubleSided(false),
mWireframe(false),
mFaceted(false) {
}
};
/** An image, meaning texture */
struct Image
{
struct Image {
std::string mFileName;
/** Embedded image data */
@ -600,8 +573,7 @@ struct Image
};
/** An animation channel. */
struct AnimationChannel
{
struct AnimationChannel {
/** URL of the data to animate. Could be about anything, but we support only the
* "NodeID/TransformID.SubElement" notation
*/
@ -620,8 +592,7 @@ struct AnimationChannel
};
/** An animation. Container for 0-x animation channels or 0-x animations */
struct Animation
{
struct Animation {
/** Anim name */
std::string mName;
@ -632,19 +603,16 @@ struct Animation
std::vector<Animation *> mSubAnims;
/** Destructor */
~Animation()
{
~Animation() {
for (std::vector<Animation *>::iterator it = mSubAnims.begin(); it != mSubAnims.end(); ++it)
delete *it;
}
/** Collect all channels in the animation hierarchy into a single channel list. */
void CollectChannelsRecursively(std::vector<AnimationChannel> &channels)
{
void CollectChannelsRecursively(std::vector<AnimationChannel> &channels) {
channels.insert(channels.end(), mChannels.begin(), mChannels.end());
for (std::vector<Animation*>::iterator it = mSubAnims.begin(); it != mSubAnims.end(); ++it)
{
for (std::vector<Animation *>::iterator it = mSubAnims.begin(); it != mSubAnims.end(); ++it) {
Animation *pAnim = (*it);
pAnim->CollectChannelsRecursively(channels);
@ -652,18 +620,15 @@ struct Animation
}
/** Combine all single-channel animations' channel into the same (parent) animation channel list. */
void CombineSingleChannelAnimations()
{
void CombineSingleChannelAnimations() {
CombineSingleChannelAnimationsRecursively(this);
}
void CombineSingleChannelAnimationsRecursively(Animation *pParent)
{
void CombineSingleChannelAnimationsRecursively(Animation *pParent) {
std::set<std::string> childrenTargets;
bool childrenAnimationsHaveDifferentChannels = true;
for (std::vector<Animation*>::iterator it = pParent->mSubAnims.begin(); it != pParent->mSubAnims.end();)
{
for (std::vector<Animation *>::iterator it = pParent->mSubAnims.begin(); it != pParent->mSubAnims.end();) {
Animation *anim = *it;
CombineSingleChannelAnimationsRecursively(anim);
@ -678,10 +643,8 @@ struct Animation
}
// We only want to combine animations if they have different channels
if (childrenAnimationsHaveDifferentChannels)
{
for (std::vector<Animation*>::iterator it = pParent->mSubAnims.begin(); it != pParent->mSubAnims.end();)
{
if (childrenAnimationsHaveDifferentChannels) {
for (std::vector<Animation *>::iterator it = pParent->mSubAnims.begin(); it != pParent->mSubAnims.end();) {
Animation *anim = *it;
pParent->mChannels.push_back(anim->mChannels[0]);
@ -696,8 +659,7 @@ struct Animation
};
/** Description of a collada animation channel which has been determined to affect the current node */
struct ChannelEntry
{
struct ChannelEntry {
const Collada::AnimationChannel *mChannel; ///> the source channel
std::string mTargetId;
std::string mTransformId; // the ID of the transformation step of the node which is influenced
@ -710,15 +672,14 @@ struct ChannelEntry
const Collada::Accessor *mValueAccessor; ///> Collada accessor to the key value values
const Collada::Data *mValueData; ///> Source datat array for the key value values
ChannelEntry()
: mChannel()
, mTransformIndex()
, mSubElement()
, mTimeAccessor()
, mTimeData()
, mValueAccessor()
, mValueData()
{}
ChannelEntry() :
mChannel(),
mTransformIndex(),
mSubElement(),
mTimeAccessor(),
mTimeData(),
mValueAccessor(),
mValueData() {}
};
} // end of namespace Collada

335
code/AssetLib/Collada/ColladaLoader.cpp
View File

@ -46,24 +46,25 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include "ColladaLoader.h"
#include "ColladaParser.h"
#include <assimp/ColladaMetaData.h>
#include <assimp/Defines.h>
#include <assimp/anim.h>
#include <assimp/importerdesc.h>
#include <assimp/scene.h>
#include <assimp/DefaultLogger.hpp>
#include <assimp/Importer.hpp>
#include <assimp/importerdesc.h>
#include <assimp/Defines.h>
#include <assimp/fast_atof.h>
#include <assimp/CreateAnimMesh.h>
#include <assimp/ParsingUtils.h>
#include <assimp/SkeletonMeshBuilder.h>
#include <assimp/CreateAnimMesh.h>
#include <assimp/ZipArchiveIOSystem.h>
#include <assimp/fast_atof.h>
#include "time.h"
#include "math.h"
#include "time.h"
#include <algorithm>
#include <numeric>
#include <memory>
#include <numeric>
namespace Assimp {
@ -84,20 +85,20 @@ static const aiImporterDesc desc = {
// ------------------------------------------------------------------------------------------------
// Constructor to be privately used by Importer
ColladaLoader::ColladaLoader()
: mFileName()
, mMeshIndexByID()
, mMaterialIndexByName()
, mMeshes()
, newMats()
, mCameras()
, mLights()
, mTextures()
, mAnims()
, noSkeletonMesh(false)
, ignoreUpDirection(false)
, useColladaName(false)
, mNodeNameCounter(0) {
ColladaLoader::ColladaLoader() :
mFileName(),
mMeshIndexByID(),
mMaterialIndexByName(),
mMeshes(),
newMats(),
mCameras(),
mLights(),
mTextures(),
mAnims(),
noSkeletonMesh(false),
ignoreUpDirection(false),
useColladaName(false),
mNodeNameCounter(0) {
// empty
}
@ -176,7 +177,6 @@ void ColladaLoader::InternReadFile(const std::string& pFile, aiScene* pScene, IO
// parse the input file
ColladaParser parser(pIOHandler, pFile);
if (!parser.mRootNode) {
throw DeadlyImportError("Collada: File came out empty. Something is wrong here.");
}
@ -258,6 +258,15 @@ void ColladaLoader::InternReadFile(const std::string& pFile, aiScene* pScene, IO
}
}
// Add an item of metadata to a node
// Assumes the key is not already in the list
template <typename T>
inline void AddNodeMetaData(aiNode *node, const std::string &key, const T &value) {
if (nullptr == node->mMetaData)
node->mMetaData = new aiMetadata();
node->mMetaData->Add(key, value);
}
// ------------------------------------------------------------------------------------------------
// Recursively constructs a scene node for the given parser node and returns it.
aiNode *ColladaLoader::BuildHierarchy(const ColladaParser &pParser, const Collada::Node *pNode) {
@ -266,6 +275,13 @@ aiNode* ColladaLoader::BuildHierarchy(const ColladaParser& pParser, const Collad
// find a name for the new node. It's more complicated than you might think
node->mName.Set(FindNameForNode(pNode));
// if we're not using the unique IDs, hold onto them for reference and export
if (useColladaName) {
if (!pNode->mID.empty())
AddNodeMetaData(node, AI_METADATA_COLLADA_ID, aiString(pNode->mID));
if (!pNode->mSID.empty())
AddNodeMetaData(node, AI_METADATA_COLLADA_SID, aiString(pNode->mSID));
}
// calculate the transformation matrix for it
node->mTransformation = pParser.CalculateResultTransform(pNode->mTransforms);
@ -372,8 +388,7 @@ void ColladaLoader::BuildLightsForNode(const ColladaParser& pParser, const Colla
if (out->mType == aiLightSource_AMBIENT) {
out->mColorDiffuse = out->mColorSpecular = aiColor3D(0, 0, 0);
out->mColorAmbient = srcLight->mColor * srcLight->mIntensity;
}
else {
} else {
// collada doesn't differentiate between these color types
out->mColorDiffuse = out->mColorSpecular = srcLight->mColor * srcLight->mIntensity;
out->mColorAmbient = aiColor3D(0, 0, 0);
@ -391,14 +406,12 @@ void ColladaLoader::BuildLightsForNode(const ColladaParser& pParser, const Colla
// epsilon chosen to be 0.1
out->mAngleOuterCone = std::acos(std::pow(0.1f, 1.f / srcLight->mFalloffExponent)) +
out->mAngleInnerCone;
}
else {
} else {
out->mAngleOuterCone = out->mAngleInnerCone + AI_DEG_TO_RAD(srcLight->mPenumbraAngle);
if (out->mAngleOuterCone < out->mAngleInnerCone)
std::swap(out->mAngleInnerCone, out->mAngleOuterCone);
}
}
else {
} else {
out->mAngleOuterCone = AI_DEG_TO_RAD(srcLight->mOuterAngle);
}
}
@ -488,13 +501,11 @@ void ColladaLoader::BuildMeshesForNode(const ColladaParser& pParser, const Colla
}
}
if (nullptr == srcMesh) {
ASSIMP_LOG_WARN_F("Collada: Unable to find geometry for ID \"", mid.mMeshOrController, "\". Skipping.");
continue;
}
}
else {
} else {
// ID found in the mesh library -> direct reference to an unskinned mesh
srcMesh = srcMeshIt->second;
}
@ -515,8 +526,7 @@ void ColladaLoader::BuildMeshesForNode(const ColladaParser& pParser, const Colla
if (meshMatIt != mid.mMaterials.end()) {
table = &meshMatIt->second;
meshMaterial = table->mMatName;
}
else {
} else {
ASSIMP_LOG_WARN_F("Collada: No material specified for subgroup <", submesh.mMaterial, "> in geometry <",
mid.mMeshOrController, ">.");
if (!mid.mMaterials.empty()) {
@ -552,8 +562,7 @@ void ColladaLoader::BuildMeshesForNode(const ColladaParser& pParser, const Colla
std::map<ColladaMeshIndex, size_t>::const_iterator dstMeshIt = mMeshIndexByID.find(index);
if (dstMeshIt != mMeshIndexByID.end()) {
newMeshRefs.push_back(dstMeshIt->second);
}
else {
} else {
// else we have to add the mesh to the collection and store its newly assigned index at the node
aiMesh *dstMesh = CreateMesh(pParser, srcMesh, submesh, srcController, vertexStart, faceStart);
@ -561,7 +570,8 @@ void ColladaLoader::BuildMeshesForNode(const ColladaParser& pParser, const Colla
newMeshRefs.push_back(mMeshes.size());
mMeshIndexByID[index] = mMeshes.size();
mMeshes.push_back(dstMesh);
vertexStart += dstMesh->mNumVertices; faceStart += submesh.mNumFaces;
vertexStart += dstMesh->mNumVertices;
faceStart += submesh.mNumFaces;
// assign the material index
dstMesh->mMaterialIndex = matIdx;
@ -610,7 +620,11 @@ aiMesh* ColladaLoader::CreateMesh(const ColladaParser& pParser, const Collada::M
const Collada::Controller *pSrcController, size_t pStartVertex, size_t pStartFace) {
std::unique_ptr<aiMesh> dstMesh(new aiMesh);
if (useColladaName) {
dstMesh->mName = pSrcMesh->mName;
} else {
dstMesh->mName = pSrcMesh->mId;
}
// count the vertices addressed by its faces
const size_t numVertices = std::accumulate(pSrcMesh->mFaceSize.begin() + pStartFace,
@ -619,30 +633,26 @@ aiMesh* ColladaLoader::CreateMesh(const ColladaParser& pParser, const Collada::M
// copy positions
dstMesh->mNumVertices = static_cast<unsigned int>(numVertices);
dstMesh->mVertices = new aiVector3D[numVertices];
std::copy(pSrcMesh->mPositions.begin() + pStartVertex, pSrcMesh->mPositions.begin() +
pStartVertex + numVertices, dstMesh->mVertices);
std::copy(pSrcMesh->mPositions.begin() + pStartVertex, pSrcMesh->mPositions.begin() + pStartVertex + numVertices, dstMesh->mVertices);
// normals, if given. HACK: (thom) Due to the glorious Collada spec we never
// know if we have the same number of normals as there are positions. So we
// also ignore any vertex attribute if it has a different count
if (pSrcMesh->mNormals.size() >= pStartVertex + numVertices) {
dstMesh->mNormals = new aiVector3D[numVertices];
std::copy(pSrcMesh->mNormals.begin() + pStartVertex, pSrcMesh->mNormals.begin() +
pStartVertex + numVertices, dstMesh->mNormals);
std::copy(pSrcMesh->mNormals.begin() + pStartVertex, pSrcMesh->mNormals.begin() + pStartVertex + numVertices, dstMesh->mNormals);
}
// tangents, if given.
if (pSrcMesh->mTangents.size() >= pStartVertex + numVertices) {
dstMesh->mTangents = new aiVector3D[numVertices];
std::copy(pSrcMesh->mTangents.begin() + pStartVertex, pSrcMesh->mTangents.begin() +
pStartVertex + numVertices, dstMesh->mTangents);
std::copy(pSrcMesh->mTangents.begin() + pStartVertex, pSrcMesh->mTangents.begin() + pStartVertex + numVertices, dstMesh->mTangents);
}
// bitangents, if given.
if (pSrcMesh->mBitangents.size() >= pStartVertex + numVertices) {
dstMesh->mBitangents = new aiVector3D[numVertices];
std::copy(pSrcMesh->mBitangents.begin() + pStartVertex, pSrcMesh->mBitangents.begin() +
pStartVertex + numVertices, dstMesh->mBitangents);
std::copy(pSrcMesh->mBitangents.begin() + pStartVertex, pSrcMesh->mBitangents.begin() + pStartVertex + numVertices, dstMesh->mBitangents);
}
// same for texturecoords, as many as we have
@ -711,10 +721,10 @@ aiMesh* ColladaLoader::CreateMesh(const ColladaParser& pParser, const Collada::M
for (unsigned int i = 0; i < targetData.mStrings.size(); ++i) {
const Collada::Mesh *targetMesh = pParser.ResolveLibraryReference(pParser.mMeshLibrary, targetData.mStrings.at(i));
aiMesh *aimesh = findMesh(targetMesh->mName);
aiMesh *aimesh = findMesh(useColladaName ? targetMesh->mName : targetMesh->mId);
if (!aimesh) {
if (targetMesh->mSubMeshes.size() > 1) {
throw DeadlyImportError("Morhing target mesh must be a single");
throw DeadlyImportError("Morphing target mesh must be a single");
}
aimesh = CreateMesh(pParser, targetMesh, targetMesh->mSubMeshes.at(0), NULL, 0, 0);
mTargetMeshes.push_back(aimesh);
@ -736,9 +746,7 @@ aiMesh* ColladaLoader::CreateMesh(const ColladaParser& pParser, const Collada::M
animMesh->mName = targetMesh->mName;
animMeshes.push_back(animMesh);
}
dstMesh->mMethod = (method == Collada::Relative)
? aiMorphingMethod_MORPH_RELATIVE
: aiMorphingMethod_MORPH_NORMALIZED;
dstMesh->mMethod = (method == Collada::Relative) ? aiMorphingMethod_MORPH_RELATIVE : aiMorphingMethod_MORPH_NORMALIZED;
dstMesh->mAnimMeshes = new aiAnimMesh *[animMeshes.size()];
dstMesh->mNumAnimMeshes = static_cast<unsigned int>(animMeshes.size());
for (unsigned int i = 0; i < animMeshes.size(); ++i) {
@ -792,7 +800,6 @@ aiMesh* ColladaLoader::CreateMesh(const ColladaParser& pParser, const Collada::M
IndexPairVector::const_iterator iit = weightStartPerVertex[orgIndex];
size_t pairCount = pSrcController->mWeightCounts[orgIndex];
for (size_t b = 0; b < pairCount; ++b, ++iit) {
const size_t jointIndex = iit->first;
const size_t vertexIndex = iit->second;
@ -802,8 +809,7 @@ aiMesh* ColladaLoader::CreateMesh(const ColladaParser& pParser, const Collada::M
}
// one day I gonna kill that XSI Collada exporter
if (weight > 0.0f)
{
if (weight > 0.0f) {
aiVertexWeight w;
w.mVertexId = static_cast<unsigned int>(a - pStartVertex);
w.mWeight = weight;
@ -980,8 +986,7 @@ void ColladaLoader::StoreAnimations( aiScene* pScene, const ColladaParser& pPars
std::set<std::string> animTargets;
animTargets.insert(templateAnim->mChannels[0]->mNodeName.C_Str());
bool collectedAnimationsHaveDifferentChannels = true;
for (size_t b = 0; b < collectedAnimIndices.size(); ++b)
{
for (size_t b = 0; b < collectedAnimIndices.size(); ++b) {
aiAnimation *srcAnimation = mAnims[collectedAnimIndices[b]];
std::string channelName = std::string(srcAnimation->mChannels[0]->mNodeName.C_Str());
if (animTargets.find(channelName) == animTargets.end()) {
@ -996,8 +1001,7 @@ void ColladaLoader::StoreAnimations( aiScene* pScene, const ColladaParser& pPars
continue;
// if there are other animations which fit the template anim, combine all channels into a single anim
if (!collectedAnimIndices.empty())
{
if (!collectedAnimIndices.empty()) {
aiAnimation *combinedAnim = new aiAnimation();
combinedAnim->mName = aiString(std::string("combinedAnim_") + char('0' + a));
combinedAnim->mDuration = templateAnim->mDuration;
@ -1012,8 +1016,7 @@ void ColladaLoader::StoreAnimations( aiScene* pScene, const ColladaParser& pPars
mAnims[a] = combinedAnim;
// move the memory of all other anims to the combined anim and erase them from the source anims
for (size_t b = 0; b < collectedAnimIndices.size(); ++b)
{
for (size_t b = 0; b < collectedAnimIndices.size(); ++b) {
aiAnimation *srcAnimation = mAnims[collectedAnimIndices[b]];
combinedAnim->mChannels[1 + b] = srcAnimation->mChannels[0];
srcAnimation->mChannels[0] = NULL;
@ -1022,8 +1025,7 @@ void ColladaLoader::StoreAnimations( aiScene* pScene, const ColladaParser& pPars
// in a second go, delete all the single-channel-anims that we've stripped from their channels
// back to front to preserve indices - you know, removing an element from a vector moves all elements behind the removed one
while (!collectedAnimIndices.empty())
{
while (!collectedAnimIndices.empty()) {
mAnims.erase(mAnims.begin() + collectedAnimIndices.back());
collectedAnimIndices.pop_back();
}
@ -1032,8 +1034,7 @@ void ColladaLoader::StoreAnimations( aiScene* pScene, const ColladaParser& pPars
}
// now store all anims in the scene
if (!mAnims.empty())
{
if (!mAnims.empty()) {
pScene->mNumAnimations = static_cast<unsigned int>(mAnims.size());
pScene->mAnimations = new aiAnimation *[mAnims.size()];
std::copy(mAnims.begin(), mAnims.end(), pScene->mAnimations);
@ -1044,8 +1045,7 @@ void ColladaLoader::StoreAnimations( aiScene* pScene, const ColladaParser& pPars
// ------------------------------------------------------------------------------------------------
// Constructs the animations for the given source anim
void ColladaLoader::StoreAnimations(aiScene* pScene, const ColladaParser& pParser, const Collada::Animation* pSrcAnim, const std::string &pPrefix)
{
void ColladaLoader::StoreAnimations(aiScene *pScene, const ColladaParser &pParser, const Collada::Animation *pSrcAnim, const std::string &pPrefix) {
std::string animName = pPrefix.empty() ? pSrcAnim->mName : pPrefix + "_" + pSrcAnim->mName;
// create nested animations, if given
@ -1057,47 +1057,38 @@ void ColladaLoader::StoreAnimations(aiScene* pScene, const ColladaParser& pParse
CreateAnimation(pScene, pParser, pSrcAnim, animName);
}
struct MorphTimeValues
{
struct MorphTimeValues {
float mTime;
struct key
{
struct key {
float mWeight;
unsigned int mValue;
};
std::vector<key> mKeys;
};
void insertMorphTimeValue(std::vector<MorphTimeValues> &values, float time, float weight, unsigned int value)
{
void insertMorphTimeValue(std::vector<MorphTimeValues> &values, float time, float weight, unsigned int value) {
MorphTimeValues::key k;
k.mValue = value;
k.mWeight = weight;
if (values.size() == 0 || time < values[0].mTime)
{
if (values.size() == 0 || time < values[0].mTime) {
MorphTimeValues val;
val.mTime = time;
val.mKeys.push_back(k);
values.insert(values.begin(), val);
return;
}
if (time > values.back().mTime)
{
if (time > values.back().mTime) {
MorphTimeValues val;
val.mTime = time;
val.mKeys.push_back(k);
values.insert(values.end(), val);
return;
}
for (unsigned int i = 0; i < values.size(); i++)
{
if (std::abs(time - values[i].mTime) < 1e-6f)
{
for (unsigned int i = 0; i < values.size(); i++) {
if (std::abs(time - values[i].mTime) < 1e-6f) {
values[i].mKeys.push_back(k);
return;
}
else if (time > values[i].mTime && time < values[i + 1].mTime)
{
} else if (time > values[i].mTime && time < values[i + 1].mTime) {
MorphTimeValues val;
val.mTime = time;
val.mKeys.push_back(k);
@ -1108,10 +1099,8 @@ void insertMorphTimeValue(std::vector<MorphTimeValues> &values, float time, floa
// should not get here
}
float getWeightAtKey(const std::vector<MorphTimeValues> &values, int key, unsigned int value)
{
for (unsigned int i = 0; i < values[key].mKeys.size(); i++)
{
float getWeightAtKey(const std::vector<MorphTimeValues> &values, int key, unsigned int value) {
for (unsigned int i = 0; i < values[key].mKeys.size(); i++) {
if (values[key].mKeys[i].mValue == value)
return values[key].mKeys[i].mWeight;
}
@ -1122,8 +1111,7 @@ float getWeightAtKey(const std::vector<MorphTimeValues> &values, int key, unsign
// ------------------------------------------------------------------------------------------------
// Constructs the animation for the given source anim
void ColladaLoader::CreateAnimation(aiScene* pScene, const ColladaParser& pParser, const Collada::Animation* pSrcAnim, const std::string& pName)
{
void ColladaLoader::CreateAnimation(aiScene *pScene, const ColladaParser &pParser, const Collada::Animation *pSrcAnim, const std::string &pName) {
// collect a list of animatable nodes
std::vector<const aiNode *> nodes;
CollectNodes(pScene->mRootNode, nodes);
@ -1131,8 +1119,7 @@ void ColladaLoader::CreateAnimation(aiScene* pScene, const ColladaParser& pParse
std::vector<aiNodeAnim *> anims;
std::vector<aiMeshMorphAnim *> morphAnims;
for (std::vector<const aiNode*>::const_iterator nit = nodes.begin(); nit != nodes.end(); ++nit)
{
for (std::vector<const aiNode *>::const_iterator nit = nodes.begin(); nit != nodes.end(); ++nit) {
// find all the collada anim channels which refer to the current node
std::vector<Collada::ChannelEntry> entries;
std::string nodeName = (*nit)->mName.data;
@ -1146,16 +1133,14 @@ void ColladaLoader::CreateAnimation(aiScene* pScene, const ColladaParser& pParse
// now check all channels if they affect the current node
std::string targetID, subElement;
for (std::vector<Collada::AnimationChannel>::const_iterator cit = pSrcAnim->mChannels.begin();
cit != pSrcAnim->mChannels.end(); ++cit)
{
cit != pSrcAnim->mChannels.end(); ++cit) {
const Collada::AnimationChannel &srcChannel = *cit;
Collada::ChannelEntry entry;
// we expect the animation target to be of type "nodeName/transformID.subElement". Ignore all others
// find the slash that separates the node name - there should be only one
std::string::size_type slashPos = srcChannel.mTarget.find('/');
if (slashPos == std::string::npos)
{
if (slashPos == std::string::npos) {
std::string::size_type targetPos = srcChannel.mTarget.find(srcNode->mID);
if (targetPos == std::string::npos)
continue;
@ -1179,8 +1164,7 @@ void ColladaLoader::CreateAnimation(aiScene* pScene, const ColladaParser& pParse
// find the dot that separates the transformID - there should be only one or zero
std::string::size_type dotPos = srcChannel.mTarget.find('.');
if (dotPos != std::string::npos)
{
if (dotPos != std::string::npos) {
if (srcChannel.mTarget.find('.', dotPos + 1) != std::string::npos)
continue;
@ -1198,15 +1182,13 @@ void ColladaLoader::CreateAnimation(aiScene* pScene, const ColladaParser& pParse
entry.mSubElement = 2;
else
ASSIMP_LOG_WARN_F("Unknown anim subelement <", subElement, ">. Ignoring");
}
else {
} else {
// no subelement following, transformId is remaining string
entry.mTransformId = srcChannel.mTarget.substr(slashPos + 1);
}
std::string::size_type bracketPos = srcChannel.mTarget.find('(');
if (bracketPos != std::string::npos)
{
if (bracketPos != std::string::npos) {
entry.mTransformId = srcChannel.mTarget.substr(slashPos + 1, bracketPos - slashPos - 1);
subElement.clear();
subElement = srcChannel.mTarget.substr(bracketPos);
@ -1251,14 +1233,11 @@ void ColladaLoader::CreateAnimation(aiScene* pScene, const ColladaParser& pParse
if (srcNode->mTransforms[a].mID == entry.mTransformId)
entry.mTransformIndex = a;
if (entry.mTransformIndex == SIZE_MAX)
{
if (entry.mTransformId.find("morph-weights") != std::string::npos)
{
if (entry.mTransformIndex == SIZE_MAX) {
if (entry.mTransformId.find("morph-weights") != std::string::npos) {
entry.mTargetId = entry.mTransformId;
entry.mTransformId = "";
}
else
} else
continue;
}
@ -1272,8 +1251,7 @@ void ColladaLoader::CreateAnimation(aiScene* pScene, const ColladaParser& pParse
// resolve the data pointers for all anim channels. Find the minimum time while we're at it
ai_real startTime = ai_real(1e20), endTime = ai_real(-1e20);
for (std::vector<Collada::ChannelEntry>::iterator it = entries.begin(); it != entries.end(); ++it)
{
for (std::vector<Collada::ChannelEntry>::iterator it = entries.begin(); it != entries.end(); ++it) {
Collada::ChannelEntry &e = *it;
e.mTimeAccessor = &pParser.ResolveLibraryReference(pParser.mAccessorLibrary, e.mChannel->mSourceTimes);
e.mTimeData = &pParser.ResolveLibraryReference(pParser.mDataLibrary, e.mTimeAccessor->mSource);
@ -1284,8 +1262,7 @@ void ColladaLoader::CreateAnimation(aiScene* pScene, const ColladaParser& pParse
if (e.mTimeAccessor->mCount != e.mValueAccessor->mCount)
throw DeadlyImportError(format() << "Time count / value count mismatch in animation channel \"" << e.mChannel->mTarget << "\".");
if (e.mTimeAccessor->mCount > 0)
{
if (e.mTimeAccessor->mCount > 0) {
// find bounding times
startTime = std::min(startTime, ReadFloat(*e.mTimeAccessor, *e.mTimeData, 0, 0));
endTime = std::max(endTime, ReadFloat(*e.mTimeAccessor, *e.mTimeData, e.mTimeAccessor->mCount - 1, 0));
@ -1293,25 +1270,21 @@ void ColladaLoader::CreateAnimation(aiScene* pScene, const ColladaParser& pParse
}
std::vector<aiMatrix4x4> resultTrafos;
if (!entries.empty() && entries.front().mTimeAccessor->mCount > 0)
{
if (!entries.empty() && entries.front().mTimeAccessor->mCount > 0) {
// create a local transformation chain of the node's transforms
std::vector<Collada::Transform> transforms = srcNode->mTransforms;
// now for every unique point in time, find or interpolate the key values for that time
// and apply them to the transform chain. Then the node's present transformation can be calculated.
ai_real time = startTime;
while (1)
{
for (std::vector<Collada::ChannelEntry>::iterator it = entries.begin(); it != entries.end(); ++it)
{
while (1) {
for (std::vector<Collada::ChannelEntry>::iterator it = entries.begin(); it != entries.end(); ++it) {
Collada::ChannelEntry &e = *it;
// find the keyframe behind the current point in time
size_t pos = 0;
ai_real postTime = 0.0;
while (1)
{
while (1) {
if (pos >= e.mTimeAccessor->mCount)
break;
postTime = ReadFloat(*e.mTimeAccessor, *e.mTimeData, pos, 0);
@ -1328,13 +1301,11 @@ void ColladaLoader::CreateAnimation(aiScene* pScene, const ColladaParser& pParse
temp[c] = ReadFloat(*e.mValueAccessor, *e.mValueData, pos, c);
// if not exactly at the key time, interpolate with previous value set
if (postTime > time && pos > 0)
{
if (postTime > time && pos > 0) {
ai_real preTime = ReadFloat(*e.mTimeAccessor, *e.mTimeData, pos - 1, 0);
ai_real factor = (time - postTime) / (preTime - postTime);
for (size_t c = 0; c < e.mValueAccessor->mSize; ++c)
{
for (size_t c = 0; c < e.mValueAccessor->mSize; ++c) {
ai_real v = ReadFloat(*e.mValueAccessor, *e.mValueData, pos - 1, c);
temp[c] += (v - temp[c]) * factor;
}
@ -1353,17 +1324,14 @@ void ColladaLoader::CreateAnimation(aiScene* pScene, const ColladaParser& pParse
// find next point in time to evaluate. That's the closest frame larger than the current in any channel
ai_real nextTime = ai_real(1e20);
for (std::vector<Collada::ChannelEntry>::iterator it = entries.begin(); it != entries.end(); ++it)
{
for (std::vector<Collada::ChannelEntry>::iterator it = entries.begin(); it != entries.end(); ++it) {
Collada::ChannelEntry &channelElement = *it;
// find the next time value larger than the current
size_t pos = 0;
while (pos < channelElement.mTimeAccessor->mCount)
{
while (pos < channelElement.mTimeAccessor->mCount) {
const ai_real t = ReadFloat(*channelElement.mTimeAccessor, *channelElement.mTimeData, pos, 0);
if (t > time)
{
if (t > time) {
nextTime = std::min(nextTime, t);
break;
}
@ -1403,8 +1371,7 @@ void ColladaLoader::CreateAnimation(aiScene* pScene, const ColladaParser& pParse
// ai_assert( resultTrafos.size() > 0);
// build an animation channel for the given node out of these trafo keys
if (!resultTrafos.empty())
{
if (!resultTrafos.empty()) {
aiNodeAnim *dstAnim = new aiNodeAnim;
dstAnim->mNodeName = nodeName;
dstAnim->mNumPositionKeys = static_cast<unsigned int>(resultTrafos.size());
@ -1414,8 +1381,7 @@ void ColladaLoader::CreateAnimation(aiScene* pScene, const ColladaParser& pParse
dstAnim->mRotationKeys = new aiQuatKey[resultTrafos.size()];
dstAnim->mScalingKeys = new aiVectorKey[resultTrafos.size()];
for (size_t a = 0; a < resultTrafos.size(); ++a)
{
for (size_t a = 0; a < resultTrafos.size(); ++a) {
aiMatrix4x4 mat = resultTrafos[a];
double time = double(mat.d4); // remember? time is stored in mat.d4
mat.d4 = 1.0f;
@ -1427,17 +1393,13 @@ void ColladaLoader::CreateAnimation(aiScene* pScene, const ColladaParser& pParse
}
anims.push_back(dstAnim);
}
else
{
} else {
ASSIMP_LOG_WARN("Collada loader: found empty animation channel, ignored. Please check your exporter.");
}
if (!entries.empty() && entries.front().mTimeAccessor->mCount > 0)
{
if (!entries.empty() && entries.front().mTimeAccessor->mCount > 0) {
std::vector<Collada::ChannelEntry> morphChannels;
for (std::vector<Collada::ChannelEntry>::iterator it = entries.begin(); it != entries.end(); ++it)
{
for (std::vector<Collada::ChannelEntry>::iterator it = entries.begin(); it != entries.end(); ++it) {
Collada::ChannelEntry &e = *it;
// skip non-transform types
@ -1447,8 +1409,7 @@ void ColladaLoader::CreateAnimation(aiScene* pScene, const ColladaParser& pParse
if (e.mTargetId.find("morph-weights") != std::string::npos)
morphChannels.push_back(e);
}
if (morphChannels.size() > 0)
{
if (morphChannels.size() > 0) {
// either 1) morph weight animation count should contain morph target count channels
// or 2) one channel with morph target count arrays
// assume first
@ -1459,8 +1420,7 @@ void ColladaLoader::CreateAnimation(aiScene* pScene, const ColladaParser& pParse
std::vector<MorphTimeValues> morphTimeValues;
int morphAnimChannelIndex = 0;
for (std::vector<Collada::ChannelEntry>::iterator it = morphChannels.begin(); it != morphChannels.end(); ++it)
{
for (std::vector<Collada::ChannelEntry>::iterator it = morphChannels.begin(); it != morphChannels.end(); ++it) {
Collada::ChannelEntry &e = *it;
std::string::size_type apos = e.mTargetId.find('(');
std::string::size_type bpos = e.mTargetId.find(')');
@ -1478,15 +1438,13 @@ void ColladaLoader::CreateAnimation(aiScene* pScene, const ColladaParser& pParse
morphAnim->mNumKeys = static_cast<unsigned int>(morphTimeValues.size());
morphAnim->mKeys = new aiMeshMorphKey[morphAnim->mNumKeys];
for (unsigned int key = 0; key < morphAnim->mNumKeys; key++)
{
for (unsigned int key = 0; key < morphAnim->mNumKeys; key++) {
morphAnim->mKeys[key].mNumValuesAndWeights = static_cast<unsigned int>(morphChannels.size());
morphAnim->mKeys[key].mValues = new unsigned int[morphChannels.size()];
morphAnim->mKeys[key].mWeights = new double[morphChannels.size()];
morphAnim->mKeys[key].mTime = morphTimeValues[key].mTime;
for (unsigned int valueIndex = 0; valueIndex < morphChannels.size(); valueIndex++)
{
for (unsigned int valueIndex = 0; valueIndex < morphChannels.size(); valueIndex++) {
morphAnim->mKeys[key].mValues[valueIndex] = valueIndex;
morphAnim->mKeys[key].mWeights[valueIndex] = getWeightAtKey(morphTimeValues, key, valueIndex);
}
@ -1497,31 +1455,26 @@ void ColladaLoader::CreateAnimation(aiScene* pScene, const ColladaParser& pParse
}
}
if (!anims.empty() || !morphAnims.empty())
{
if (!anims.empty() || !morphAnims.empty()) {
aiAnimation *anim = new aiAnimation;
anim->mName.Set(pName);
anim->mNumChannels = static_cast<unsigned int>(anims.size());
if (anim->mNumChannels > 0)
{
if (anim->mNumChannels > 0) {
anim->mChannels = new aiNodeAnim *[anims.size()];
std::copy(anims.begin(), anims.end(), anim->mChannels);
}
anim->mNumMorphMeshChannels = static_cast<unsigned int>(morphAnims.size());
if (anim->mNumMorphMeshChannels > 0)
{
if (anim->mNumMorphMeshChannels > 0) {
anim->mMorphMeshChannels = new aiMeshMorphAnim *[anim->mNumMorphMeshChannels];
std::copy(morphAnims.begin(), morphAnims.end(), anim->mMorphMeshChannels);
}
anim->mDuration = 0.0f;
for (size_t a = 0; a < anims.size(); ++a)
{
for (size_t a = 0; a < anims.size(); ++a) {
anim->mDuration = std::max(anim->mDuration, anims[a]->mPositionKeys[anims[a]->mNumPositionKeys - 1].mTime);
anim->mDuration = std::max(anim->mDuration, anims[a]->mRotationKeys[anims[a]->mNumRotationKeys - 1].mTime);
anim->mDuration = std::max(anim->mDuration, anims[a]->mScalingKeys[anims[a]->mNumScalingKeys - 1].mTime);
}
for (size_t a = 0; a < morphAnims.size(); ++a)
{
for (size_t a = 0; a < morphAnims.size(); ++a) {
anim->mDuration = std::max(anim->mDuration, morphAnims[a]->mKeys[morphAnims[a]->mNumKeys - 1].mTime);
}
anim->mTicksPerSecond = 1;
@ -1534,8 +1487,7 @@ void ColladaLoader::CreateAnimation(aiScene* pScene, const ColladaParser& pParse
void ColladaLoader::AddTexture(aiMaterial &mat, const ColladaParser &pParser,
const Collada::Effect &effect,
const Collada::Sampler &sampler,
aiTextureType type, unsigned int idx)
{
aiTextureType type, unsigned int idx) {
// first of all, basic file name
const aiString name = FindFilenameForEffectTexture(pParser, effect, sampler.mName);
mat.AddProperty(&name, _AI_MATKEY_TEXTURE_BASE, type, idx);
@ -1594,10 +1546,8 @@ void ColladaLoader::AddTexture(aiMaterial& mat, const ColladaParser& pParser,
// ------------------------------------------------------------------------------------------------
// Fills materials from the collada material definitions
void ColladaLoader::FillMaterials(const ColladaParser& pParser, aiScene* /*pScene*/)
{
for (auto &elem : newMats)
{
void ColladaLoader::FillMaterials(const ColladaParser &pParser, aiScene * /*pScene*/) {
for (auto &elem : newMats) {
aiMaterial &mat = (aiMaterial &)*elem.second;
Collada::Effect &effect = *elem.first;
@ -1606,8 +1556,7 @@ void ColladaLoader::FillMaterials(const ColladaParser& pParser, aiScene* /*pScen
if (effect.mFaceted) /* fixme */
shadeMode = aiShadingMode_Flat;
else {
switch (effect.mShadeType)
{
switch (effect.mShadeType) {
case Collada::Shade_Constant:
shadeMode = aiShadingMode_NoShading;
break;
@ -1657,17 +1606,14 @@ void ColladaLoader::FillMaterials(const ColladaParser& pParser, aiScene* /*pScen
// handle RGB transparency completely, cf Collada specs 1.5.0 pages 249 and 304
if (effect.mRGBTransparency) {
// use luminance as defined by ISO/CIE color standards (see ITU-R Recommendation BT.709-4)
effect.mTransparency *= (
0.212671f * effect.mTransparent.r +
effect.mTransparency *= (0.212671f * effect.mTransparent.r +
0.715160f * effect.mTransparent.g +
0.072169f * effect.mTransparent.b
);
0.072169f * effect.mTransparent.b);
effect.mTransparent.a = 1.f;
mat.AddProperty(&effect.mTransparent, 1, AI_MATKEY_COLOR_TRANSPARENT);
}
else {
} else {
effect.mTransparency *= effect.mTransparent.a;
}
@ -1709,8 +1655,7 @@ void ColladaLoader::FillMaterials(const ColladaParser& pParser, aiScene* /*pScen
// ------------------------------------------------------------------------------------------------
// Constructs materials from the collada material definitions
void ColladaLoader::BuildMaterials(ColladaParser& pParser, aiScene* /*pScene*/)
{
void ColladaLoader::BuildMaterials(ColladaParser &pParser, aiScene * /*pScene*/) {
newMats.reserve(pParser.mMaterialLibrary.size());
for (ColladaParser::MaterialLibrary::const_iterator matIt = pParser.mMaterialLibrary.begin();
@ -1757,14 +1702,12 @@ void ColladaLoader::BuildMaterials(ColladaParser& pParser, aiScene* /*pScene*/)
// Resolves the texture name for the given effect texture entry
// and loads the texture data
aiString ColladaLoader::FindFilenameForEffectTexture(const ColladaParser &pParser,
const Collada::Effect& pEffect, const std::string& pName)
{
const Collada::Effect &pEffect, const std::string &pName) {
aiString result;
// recurse through the param references until we end up at an image
std::string name = pName;
while (1)
{
while (1) {
// the given string is a param entry. Find it
Collada::Effect::ParamLibrary::const_iterator it = pEffect.mParams.find(name);
// if not found, we're at the end of the recursion. The resulting string should be the image ID
@ -1777,8 +1720,7 @@ aiString ColladaLoader::FindFilenameForEffectTexture(const ColladaParser& pParse
// find the image referred by this name in the image library of the scene
ColladaParser::ImageLibrary::const_iterator imIt = pParser.mImageLibrary.find(name);
if (imIt == pParser.mImageLibrary.end())
{
if (imIt == pParser.mImageLibrary.end()) {
ASSIMP_LOG_WARN_F("Collada: Unable to resolve effect texture entry \"", pName, "\", ended up at ID \"", name, "\".");
//set default texture file name
@ -1788,8 +1730,7 @@ aiString ColladaLoader::FindFilenameForEffectTexture(const ColladaParser& pParse
}
// if this is an embedded texture image setup an aiTexture for it
if (!imIt->second.mImageData.empty())
{
if (!imIt->second.mImageData.empty()) {
aiTexture *tex = new aiTexture();
// Store embedded texture name reference
@ -1800,7 +1741,6 @@ aiString ColladaLoader::FindFilenameForEffectTexture(const ColladaParser& pParse
// result.data[0] = '*';
// result.length = 1 + ASSIMP_itoa10(result.data + 1, static_cast<unsigned int>(MAXLEN - 1), static_cast<int32_t>(mTextures.size()));
// setup format hint
if (imIt->second.mEmbeddedFormat.length() >= HINTMAXTEXTURELEN) {
ASSIMP_LOG_WARN("Collada: texture format hint is too long, truncating to 3 characters");
@ -1815,9 +1755,7 @@ aiString ColladaLoader::FindFilenameForEffectTexture(const ColladaParser& pParse
// and add this texture to the list
mTextures.push_back(tex);
}
else
{
} else {
if (imIt->second.mFileName.empty()) {
throw DeadlyImportError("Collada: Invalid texture, no data or file reference given");
}
@ -1829,8 +1767,7 @@ aiString ColladaLoader::FindFilenameForEffectTexture(const ColladaParser& pParse
// ------------------------------------------------------------------------------------------------
// Reads a float value from an accessor and its data array.
ai_real ColladaLoader::ReadFloat(const Collada::Accessor& pAccessor, const Collada::Data& pData, size_t pIndex, size_t pOffset) const
{
ai_real ColladaLoader::ReadFloat(const Collada::Accessor &pAccessor, const Collada::Data &pData, size_t pIndex, size_t pOffset) const {
// FIXME: (thom) Test for data type here in every access? For the moment, I leave this to the caller
size_t pos = pAccessor.mStride * pIndex + pAccessor.mOffset + pOffset;
ai_assert(pos < pData.mValues.size());
@ -1839,8 +1776,7 @@ ai_real ColladaLoader::ReadFloat(const Collada::Accessor& pAccessor, const Colla
// ------------------------------------------------------------------------------------------------
// Reads a string value from an accessor and its data array.
const std::string& ColladaLoader::ReadString(const Collada::Accessor& pAccessor, const Collada::Data& pData, size_t pIndex) const
{
const std::string &ColladaLoader::ReadString(const Collada::Accessor &pAccessor, const Collada::Data &pData, size_t pIndex) const {
size_t pos = pAccessor.mStride * pIndex + pAccessor.mOffset;
ai_assert(pos < pData.mStrings.size());
return pData.mStrings[pos];
@ -1848,8 +1784,7 @@ const std::string& ColladaLoader::ReadString(const Collada::Accessor& pAccessor,
// ------------------------------------------------------------------------------------------------
// Collects all nodes into the given array
void ColladaLoader::CollectNodes(const aiNode* pNode, std::vector<const aiNode*>& poNodes) const
{
void ColladaLoader::CollectNodes(const aiNode *pNode, std::vector<const aiNode *> &poNodes) const {
poNodes.push_back(pNode);
for (size_t a = 0; a < pNode->mNumChildren; ++a) {
CollectNodes(pNode->mChildren[a], poNodes);
@ -1858,13 +1793,11 @@ void ColladaLoader::CollectNodes(const aiNode* pNode, std::vector<const aiNode*>
// ------------------------------------------------------------------------------------------------
// Finds a node in the collada scene by the given name
const Collada::Node* ColladaLoader::FindNode(const Collada::Node* pNode, const std::string& pName) const
{
const Collada::Node *ColladaLoader::FindNode(const Collada::Node *pNode, const std::string &pName) const {
if (pNode->mName == pName || pNode->mID == pName)
return pNode;
for (size_t a = 0; a < pNode->mChildren.size(); ++a)
{
for (size_t a = 0; a < pNode->mChildren.size(); ++a) {
const Collada::Node *node = FindNode(pNode->mChildren[a], pName);
if (node)
return node;
@ -1897,28 +1830,22 @@ const Collada::Node* ColladaLoader::FindNodeBySID( const Collada::Node* pNode, c
// ------------------------------------------------------------------------------------------------
// Finds a proper unique name for a node derived from the collada-node's properties.
// The name must be unique for proper node-bone association.
std::string ColladaLoader::FindNameForNode(const Collada::Node* pNode)
{
std::string ColladaLoader::FindNameForNode(const Collada::Node *pNode) {
// If explicitly requested, just use the collada name.
if (useColladaName)
{
if (useColladaName) {
if (!pNode->mName.empty()) {
return pNode->mName;
}
else {
} else {
return format() << "$ColladaAutoName$_" << mNodeNameCounter++;
}
}
else
{
} else {
// 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())
return pNode->mID;
else if (!pNode->mSID.empty())
return pNode->mSID;
else
{
else {
// No need to worry. Unnamed nodes are no problem at all, except
// if cameras or lights need to be assigned to them.
return format() << "$ColladaAutoName$_" << mNodeNameCounter++;

1427
code/AssetLib/Collada/ColladaParser.cpp
View File

File diff suppressed because it is too large Load Diff

39
code/AssetLib/Collada/ColladaParser.h
View File

@ -47,13 +47,12 @@
#ifndef AI_COLLADAPARSER_H_INC
#define AI_COLLADAPARSER_H_INC
#include <assimp/irrXMLWrapper.h>
#include "ColladaHelper.h"
#include <assimp/ai_assert.h>
#include <assimp/TinyFormatter.h>
#include <assimp/ai_assert.h>
#include <assimp/irrXMLWrapper.h>
namespace Assimp
{
namespace Assimp {
class ZipArchiveIOSystem;
// ------------------------------------------------------------------------------------------
@ -62,8 +61,7 @@ namespace Assimp
* Does all the XML reading and builds internal data structures from it,
* but leaves the resolving of all the references to the loader.
*/
class ColladaParser
{
class ColladaParser {
friend class ColladaLoader;
/** Converts a path read from a collada file to the usual representation */
@ -176,10 +174,10 @@ namespace Assimp
void ReadGeometryLibrary();
/** Reads a geometry from the geometry library. */
void ReadGeometry( Collada::Mesh* pMesh);
void ReadGeometry(Collada::Mesh &pMesh);
/** Reads a mesh from the geometry library */
void ReadMesh( Collada::Mesh* pMesh);
void ReadMesh(Collada::Mesh &pMesh);
/** Reads a source element - a combination of raw data and an accessor defining
* things that should not be redefinable. Yes, that's another rant.
@ -197,29 +195,29 @@ namespace Assimp
void ReadAccessor(const std::string &pID);
/** Reads input declarations of per-vertex mesh data into the given mesh */
void ReadVertexData( Collada::Mesh* pMesh);
void ReadVertexData(Collada::Mesh &pMesh);
/** Reads input declarations of per-index mesh data into the given mesh */
void ReadIndexData( Collada::Mesh* pMesh);
void ReadIndexData(Collada::Mesh &pMesh);
/** Reads a single input channel element and stores it in the given array, if valid */
void ReadInputChannel(std::vector<Collada::InputChannel> &poChannels);
/** Reads a <p> primitive index list and assembles the mesh data into the given mesh */
size_t ReadPrimitives( Collada::Mesh* pMesh, std::vector<Collada::InputChannel>& pPerIndexChannels,
size_t ReadPrimitives(Collada::Mesh &pMesh, std::vector<Collada::InputChannel> &pPerIndexChannels,
size_t pNumPrimitives, const std::vector<size_t> &pVCount, Collada::PrimitiveType pPrimType);
/** Copies the data for a single primitive into the mesh, based on the InputChannels */
void CopyVertex(size_t currentVertex, size_t numOffsets, size_t numPoints, size_t perVertexOffset,
Collada::Mesh* pMesh, std::vector<Collada::InputChannel>& pPerIndexChannels,
Collada::Mesh &pMesh, std::vector<Collada::InputChannel> &pPerIndexChannels,
size_t currentPrimitive, const std::vector<size_t> &indices);
/** Reads one triangle of a tristrip into the mesh */
void ReadPrimTriStrips(size_t numOffsets, size_t perVertexOffset, Collada::Mesh* pMesh,
void ReadPrimTriStrips(size_t numOffsets, size_t perVertexOffset, Collada::Mesh &pMesh,
std::vector<Collada::InputChannel> &pPerIndexChannels, size_t currentPrimitive, const std::vector<size_t> &indices);
/** Extracts a single object from an input channel and stores it in the appropriate mesh data array */
void ExtractDataObjectFromChannel( const Collada::InputChannel& pInput, size_t pLocalIndex, Collada::Mesh* pMesh);
void ExtractDataObjectFromChannel(const Collada::InputChannel &pInput, size_t pLocalIndex, Collada::Mesh &pMesh);
/** Reads the library of node hierarchies and scene parts */
void ReadSceneLibrary();
@ -291,7 +289,8 @@ namespace Assimp
Collada::InputType GetTypeForSemantic(const std::string &pSemantic);
/** Finds the item in the given library by its reference, throws if not found */
template <typename Type> const Type& ResolveLibraryReference( const std::map<std::string, Type>& pLibrary, const std::string& pURL) const;
template <typename Type>
const Type &ResolveLibraryReference(const std::map<std::string, Type> &pLibrary, const std::string &pURL) const;
protected:
/** Filename, for a verbose error message */
@ -360,7 +359,9 @@ namespace Assimp
ai_real mUnitSize;
/** Which is the up vector */
enum { UP_X, UP_Y, UP_Z } mUpDirection;
enum { UP_X,
UP_Y,
UP_Z } mUpDirection;
/** Asset metadata (global for scene) */
StringMetaData mAssetMetaData;
@ -371,8 +372,7 @@ namespace Assimp
// ------------------------------------------------------------------------------------------------
// Check for element match
inline bool ColladaParser::IsElement( const char* pName) const
{
inline bool ColladaParser::IsElement(const char *pName) const {
ai_assert(mReader->getNodeType() == irr::io::EXN_ELEMENT);
return ::strcmp(mReader->getNodeName(), pName) == 0;
}
@ -380,8 +380,7 @@ namespace Assimp
// ------------------------------------------------------------------------------------------------
// Finds the item in the given library by its reference, throws if not found
template <typename Type>
const Type& ColladaParser::ResolveLibraryReference( const std::map<std::string, Type>& pLibrary, const std::string& pURL) const
{
const Type &ColladaParser::ResolveLibraryReference(const std::map<std::string, Type> &pLibrary, const std::string &pURL) const {
typename std::map<std::string, Type>::const_iterator it = pLibrary.find(pURL);
if (it == pLibrary.end())
ThrowException(Formatter::format() << "Unable to resolve library reference \"" << pURL << "\".");

1
code/CMakeLists.txt
View File

@ -66,6 +66,7 @@ SET( PUBLIC_HEADERS
${HEADER_PATH}/color4.h
${HEADER_PATH}/color4.inl
${CMAKE_CURRENT_BINARY_DIR}/../include/assimp/config.h
${HEADER_PATH}/ColladaMetaData.h
${HEADER_PATH}/commonMetaData.h
${HEADER_PATH}/defs.h
${HEADER_PATH}/Defines.h

53
include/assimp/ColladaMetaData.h 100644
View File

@ -0,0 +1,53 @@
/*
Open Asset Import Library (assimp)
----------------------------------------------------------------------
Copyright (c) 2006-2020, 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.
----------------------------------------------------------------------
*/
/** @file ColladaMetaData.h
* Declares common metadata constants used by Collada files
*/
#pragma once
#ifndef AI_COLLADAMETADATA_H_INC
#define AI_COLLADAMETADATA_H_INC
#define AI_METADATA_COLLADA_ID "Collada_id"
#define AI_METADATA_COLLADA_SID "Collada_sid"
#endif

6
include/assimp/config.h.in
View File

@ -1030,10 +1030,10 @@ enum aiComponent
#define AI_CONFIG_IMPORT_COLLADA_IGNORE_UP_DIRECTION "IMPORT_COLLADA_IGNORE_UP_DIRECTION"
// ---------------------------------------------------------------------------
/** @brief Specifies whether the Collada loader should use Collada names as node names.
/** @brief Specifies whether the Collada loader should use Collada names.
*
* If this property is set to true, the Collada names will be used as the
* node name. The default is to use the id tag (resp. sid tag, if no id tag is present)
* If this property is set to true, the Collada names will be used as the node and
* mesh names. The default is to use the id tag (resp. sid tag, if no id tag is present)
* instead.
* Property type: Bool. Default value: false.
*/

194
test/unit/utColladaImportExport.cpp
View File

@ -41,16 +41,18 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include "AbstractImportExportBase.h"
#include "UnitTestPCH.h"
#include <assimp/ColladaMetaData.h>
#include <assimp/commonMetaData.h>
#include <assimp/postprocess.h>
#include <assimp/scene.h>
#include <assimp/Exporter.hpp>
#include <assimp/Importer.hpp>
using namespace Assimp;
class utColladaImportExport : public AbstractImportExportBase {
public:
virtual bool importerTest() {
virtual bool importerTest() final {
Assimp::Importer importer;
const aiScene *scene = importer.ReadFile(ASSIMP_TEST_MODELS_DIR "/Collada/duck.dae", aiProcess_ValidateDataStructure);
if (scene == nullptr)
@ -80,15 +82,201 @@ public:
return true;
}
typedef std::pair<std::string, std::string> IdNameString;
typedef std::map<std::string, std::string> IdNameMap;
template <typename T>
static inline IdNameString GetColladaIdName(const T *item, size_t index) {
std::ostringstream stream;
stream << typeid(T).name() << "@" << index;
if (item->mMetaData) {
aiString aiStr;
if (item->mMetaData->Get(AI_METADATA_COLLADA_ID, aiStr))
return std::make_pair(std::string(aiStr.C_Str()), stream.str());
}
return std::make_pair(std::string(), stream.str());
}
template <typename T>
static inline IdNameString GetItemIdName(const T *item, size_t index) {
std::ostringstream stream;
stream << typeid(T).name() << "@" << index;
return std::make_pair(std::string(item->mName.C_Str()), stream.str());
}
// Specialisations
static inline IdNameString GetItemIdName(aiMaterial *item, size_t index) {
std::ostringstream stream;
stream << typeid(aiMaterial).name() << "@" << index;
return std::make_pair(std::string(item->GetName().C_Str()), stream.str());
}
static inline IdNameString GetItemIdName(aiTexture *item, size_t index) {
std::ostringstream stream;
stream << typeid(aiTexture).name() << "@" << index;
return std::make_pair(std::string(item->mFilename.C_Str()), stream.str());
}
static inline void ReportDuplicate(IdNameMap &itemIdMap, const IdNameString &namePair, const char *typeNameStr) {
const auto result = itemIdMap.insert(namePair);
EXPECT_TRUE(result.second) << "Duplicate '" << typeNameStr << "' name: '" << namePair.first << "'. " << namePair.second << " == " << result.first->second;
}
template <typename T>
static inline void CheckUniqueIds(IdNameMap &itemIdMap, unsigned int itemCount, T **itemArray) {
for (size_t idx = 0; idx < itemCount; ++idx) {
IdNameString namePair = GetItemIdName(itemArray[idx], idx);
ReportDuplicate(itemIdMap, namePair, typeid(T).name());
}
}
static inline void CheckUniqueIds(IdNameMap &itemIdMap, const aiNode *parent, size_t index) {
IdNameString namePair = GetItemIdName(parent, index);
ReportDuplicate(itemIdMap, namePair, typeid(aiNode).name());
for (size_t idx = 0; idx < parent->mNumChildren; ++idx) {
CheckUniqueIds(itemIdMap, parent->mChildren[idx], idx);
}
}
static inline void CheckNodeIdNames(IdNameMap &nodeIdMap, IdNameMap &nodeNameMap, const aiNode *parent, size_t index) {
IdNameString namePair = GetItemIdName(parent, index);
const auto result = nodeNameMap.insert(namePair);
IdNameString idPair = GetColladaIdName(parent, index);
ReportDuplicate(nodeIdMap, idPair, typeid(aiNode).name());
for (size_t idx = 0; idx < parent->mNumChildren; ++idx) {
CheckNodeIdNames(nodeIdMap, nodeNameMap, parent->mChildren[idx], idx);
}
}
static inline void SetAllNodeNames(const aiString &newName, aiNode *node) {
node->mName = newName;
for (size_t idx = 0; idx < node->mNumChildren; ++idx) {
SetAllNodeNames(newName, node->mChildren[idx]);
}
}
void ImportAndCheckIds(const char *file, const aiScene *origScene) {
// Import the Collada using the 'default' where aiNode and aiMesh names are the Collada ids
Assimp::Importer importer;
const aiScene *scene = importer.ReadFile(file, aiProcess_ValidateDataStructure);
ASSERT_TRUE(scene != nullptr) << "Fatal: could not re-import " << file;
EXPECT_EQ(origScene->mNumMeshes, scene->mNumMeshes) << "in " << file;
// Check the ids are unique
IdNameMap itemIdMap;
// Recurse the Nodes
CheckUniqueIds(itemIdMap, scene->mRootNode, 0);
// Check the lists
CheckUniqueIds(itemIdMap, scene->mNumMeshes, scene->mMeshes);
// The remaining will come in using the name, which may not be unique
// Check we have the right number
EXPECT_EQ(origScene->mNumAnimations, scene->mNumAnimations);
EXPECT_EQ(origScene->mNumMaterials, scene->mNumMaterials);
EXPECT_EQ(origScene->mNumTextures, scene->mNumTextures);
EXPECT_EQ(origScene->mNumLights, scene->mNumLights);
EXPECT_EQ(origScene->mNumCameras, scene->mNumCameras);
}
void ImportAsNames(const char *file, const aiScene *origScene) {
// Import the Collada but using the user-visible names for aiNode and aiMesh
// Note that this mode may not support bones or animations
Assimp::Importer importer;
importer.SetPropertyInteger(AI_CONFIG_IMPORT_COLLADA_USE_COLLADA_NAMES, 1);
const aiScene *scene = importer.ReadFile(file, aiProcess_ValidateDataStructure);
ASSERT_TRUE(scene != nullptr) << "Fatal: could not re-import " << file;
EXPECT_EQ(origScene->mNumMeshes, scene->mNumMeshes) << "in " << file;
// Check the node ids are unique but the node names are not
IdNameMap nodeIdMap;
IdNameMap nodeNameMap;
// Recurse the Nodes
CheckNodeIdNames(nodeIdMap, nodeNameMap, scene->mRootNode, 0);
// nodeNameMap should have fewer than nodeIdMap
EXPECT_LT(nodeNameMap.size(), nodeIdMap.size()) << "Some nodes should have the same names";
// Check the counts haven't changed
EXPECT_EQ(origScene->mNumAnimations, scene->mNumAnimations);
EXPECT_EQ(origScene->mNumMaterials, scene->mNumMaterials);
EXPECT_EQ(origScene->mNumTextures, scene->mNumTextures);
EXPECT_EQ(origScene->mNumLights, scene->mNumLights);
EXPECT_EQ(origScene->mNumCameras, scene->mNumCameras);
}
};
TEST_F(utColladaImportExport, importBlenFromFileTest) {
TEST_F(utColladaImportExport, importDaeFromFileTest) {
EXPECT_TRUE(importerTest());
}
TEST_F(utColladaImportExport, exporterUniqueIdsTest) {
Assimp::Importer importer;
Assimp::Exporter exporter;
const char *outFileEmpty = "exportMeshIdTest_empty_out.dae";
const char *outFileNamed = "exportMeshIdTest_named_out.dae";
// Load a sample file containing multiple meshes
const aiScene *scene = importer.ReadFile(ASSIMP_TEST_MODELS_DIR "/Collada/teapots.DAE", aiProcess_ValidateDataStructure);
ASSERT_TRUE(scene != nullptr) << "Fatal: could not import teapots.DAE!";
ASSERT_EQ(3u, scene->mNumMeshes) << "Fatal: teapots.DAE initial load failed";
// Clear all the names
for (size_t idx = 0; idx < scene->mNumMeshes; ++idx) {
scene->mMeshes[idx]->mName.Clear();
}
for (size_t idx = 0; idx < scene->mNumMaterials; ++idx) {
scene->mMaterials[idx]->RemoveProperty(AI_MATKEY_NAME);
}
for (size_t idx = 0; idx < scene->mNumAnimations; ++idx) {
scene->mAnimations[idx]->mName.Clear();
}
// Can't clear texture names
for (size_t idx = 0; idx < scene->mNumLights; ++idx) {
scene->mLights[idx]->mName.Clear();
}
for (size_t idx = 0; idx < scene->mNumCameras; ++idx) {
scene->mCameras[idx]->mName.Clear();
}
SetAllNodeNames(aiString(), scene->mRootNode);
ASSERT_EQ(AI_SUCCESS, exporter.Export(scene, "collada", outFileEmpty)) << "Fatal: Could not export un-named meshes file";
ImportAndCheckIds(outFileEmpty, scene);
// Force everything to have the same non-empty name
aiString testName("test_name");
for (size_t idx = 0; idx < scene->mNumMeshes; ++idx) {
scene->mMeshes[idx]->mName = testName;
}
for (size_t idx = 0; idx < scene->mNumMaterials; ++idx) {
scene->mMaterials[idx]->AddProperty(&testName, AI_MATKEY_NAME);
}
for (size_t idx = 0; idx < scene->mNumAnimations; ++idx) {
scene->mAnimations[idx]->mName = testName;
}
// Can't clear texture names
for (size_t idx = 0; idx < scene->mNumLights; ++idx) {
scene->mLights[idx]->mName = testName;
}
for (size_t idx = 0; idx < scene->mNumCameras; ++idx) {
scene->mCameras[idx]->mName = testName;
}
SetAllNodeNames(testName, scene->mRootNode);
ASSERT_EQ(AI_SUCCESS, exporter.Export(scene, "collada", outFileNamed)) << "Fatal: Could not export named meshes file";
ImportAndCheckIds(outFileNamed, scene);
ImportAsNames(outFileNamed, scene);
}
class utColladaZaeImportExport : public AbstractImportExportBase {
public:
virtual bool importerTest() {
virtual bool importerTest() final {
{
Assimp::Importer importer;
const aiScene *scene = importer.ReadFile(ASSIMP_TEST_MODELS_DIR "/Collada/duck.zae", aiProcess_ValidateDataStructure);