371 lines
14 KiB
C++
371 lines
14 KiB
C++
/*
|
|
---------------------------------------------------------------------------
|
|
Open Asset Import Library (assimp)
|
|
---------------------------------------------------------------------------
|
|
|
|
Copyright (c) 2006-2016, 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.
|
|
---------------------------------------------------------------------------
|
|
*/
|
|
|
|
#ifndef ASSIMP_BUILD_NO_MMD_IMPORTER
|
|
|
|
#include "MMDImporter.h"
|
|
#include "MMDPmdParser.h"
|
|
#include "MMDPmxParser.h"
|
|
#include "MMDVmdParser.h"
|
|
#include "ConvertToLHProcess.h"
|
|
#include <assimp/DefaultIOSystem.h>
|
|
#include <assimp/Importer.hpp>
|
|
#include <assimp/ai_assert.h>
|
|
#include <assimp/scene.h>
|
|
#include <fstream>
|
|
#include <iomanip>
|
|
#include <memory>
|
|
|
|
static const aiImporterDesc desc = {"MMD Importer",
|
|
"",
|
|
"",
|
|
"surfaces supported?",
|
|
aiImporterFlags_SupportTextFlavour,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
"pmx"};
|
|
|
|
namespace Assimp {
|
|
|
|
using namespace std;
|
|
|
|
// ------------------------------------------------------------------------------------------------
|
|
// Default constructor
|
|
MMDImporter::MMDImporter()
|
|
: m_Buffer()
|
|
, m_strAbsPath("") {
|
|
DefaultIOSystem io;
|
|
m_strAbsPath = io.getOsSeparator();
|
|
}
|
|
|
|
// ------------------------------------------------------------------------------------------------
|
|
// Destructor.
|
|
MMDImporter::~MMDImporter() {
|
|
// empty
|
|
}
|
|
|
|
// ------------------------------------------------------------------------------------------------
|
|
// Returns true, if file is an pmx file.
|
|
bool MMDImporter::CanRead(const std::string &pFile, IOSystem *pIOHandler,
|
|
bool checkSig) const {
|
|
if (!checkSig) // Check File Extension
|
|
{
|
|
return SimpleExtensionCheck(pFile, "pmx");
|
|
} else // Check file Header
|
|
{
|
|
static const char *pTokens[] = {"PMX "};
|
|
return BaseImporter::SearchFileHeaderForToken(pIOHandler, pFile, pTokens, 1);
|
|
}
|
|
}
|
|
|
|
// ------------------------------------------------------------------------------------------------
|
|
const aiImporterDesc *MMDImporter::GetInfo() const { return &desc; }
|
|
|
|
// ------------------------------------------------------------------------------------------------
|
|
// MMD import implementation
|
|
void MMDImporter::InternReadFile(const std::string &file, aiScene *pScene,
|
|
IOSystem * /*pIOHandler*/) {
|
|
// Read file by istream
|
|
std::filebuf fb;
|
|
if (!fb.open(file, std::ios::in | std::ios::binary)) {
|
|
throw DeadlyImportError("Failed to open file " + file + ".");
|
|
}
|
|
|
|
std::istream fileStream(&fb);
|
|
|
|
// Get the file-size and validate it, throwing an exception when fails
|
|
fileStream.seekg(0, fileStream.end);
|
|
size_t fileSize = static_cast<size_t>(fileStream.tellg());
|
|
fileStream.seekg(0, fileStream.beg);
|
|
|
|
if (fileSize < sizeof(pmx::PmxModel)) {
|
|
throw DeadlyImportError(file + " is too small.");
|
|
}
|
|
|
|
pmx::PmxModel model;
|
|
model.Read(&fileStream);
|
|
|
|
CreateDataFromImport(&model, pScene);
|
|
}
|
|
|
|
// ------------------------------------------------------------------------------------------------
|
|
void MMDImporter::CreateDataFromImport(const pmx::PmxModel *pModel,
|
|
aiScene *pScene) {
|
|
if (pModel == NULL) {
|
|
return;
|
|
}
|
|
|
|
aiNode *pNode = new aiNode;
|
|
if (!pModel->model_name.empty()) {
|
|
pNode->mName.Set(pModel->model_name);
|
|
}
|
|
|
|
pScene->mRootNode = pNode;
|
|
|
|
pNode = new aiNode;
|
|
pScene->mRootNode->addChildren(1, &pNode);
|
|
pNode->mName.Set(string(pModel->model_name) + string("_mesh"));
|
|
|
|
// split mesh by materials
|
|
pNode->mNumMeshes = pModel->material_count;
|
|
pNode->mMeshes = new unsigned int[pNode->mNumMeshes];
|
|
for (unsigned int index = 0; index < pNode->mNumMeshes; index++) {
|
|
pNode->mMeshes[index] = index;
|
|
}
|
|
|
|
pScene->mNumMeshes = pModel->material_count;
|
|
pScene->mMeshes = new aiMesh *[pScene->mNumMeshes];
|
|
for (unsigned int i = 0, indexStart = 0; i < pScene->mNumMeshes; i++) {
|
|
const int indexCount = pModel->materials[i].index_count;
|
|
|
|
pScene->mMeshes[i] = CreateMesh(pModel, indexStart, indexCount);
|
|
pScene->mMeshes[i]->mName = pModel->materials[i].material_name;
|
|
pScene->mMeshes[i]->mMaterialIndex = i;
|
|
indexStart += indexCount;
|
|
}
|
|
|
|
// create node hierarchy for bone position
|
|
std::unique_ptr<aiNode *[]> ppNode(new aiNode *[pModel->bone_count]);
|
|
for (auto i = 0; i < pModel->bone_count; i++) {
|
|
ppNode[i] = new aiNode(pModel->bones[i].bone_name);
|
|
}
|
|
|
|
for (auto i = 0; i < pModel->bone_count; i++) {
|
|
const pmx::PmxBone &bone = pModel->bones[i];
|
|
|
|
if (bone.parent_index < 0) {
|
|
pScene->mRootNode->addChildren(1, ppNode.get() + i);
|
|
} else {
|
|
ppNode[bone.parent_index]->addChildren(1, ppNode.get() + i);
|
|
|
|
aiVector3D v3 = aiVector3D(
|
|
bone.position[0] - pModel->bones[bone.parent_index].position[0],
|
|
bone.position[1] - pModel->bones[bone.parent_index].position[1],
|
|
bone.position[2] - pModel->bones[bone.parent_index].position[2]);
|
|
aiMatrix4x4::Translation(v3, ppNode[i]->mTransformation);
|
|
}
|
|
}
|
|
|
|
// create materials
|
|
pScene->mNumMaterials = pModel->material_count;
|
|
pScene->mMaterials = new aiMaterial *[pScene->mNumMaterials];
|
|
for (unsigned int i = 0; i < pScene->mNumMaterials; i++) {
|
|
pScene->mMaterials[i] = CreateMaterial(&pModel->materials[i], pModel);
|
|
}
|
|
|
|
// Convert everything to OpenGL space
|
|
MakeLeftHandedProcess convertProcess;
|
|
convertProcess.Execute(pScene);
|
|
|
|
FlipUVsProcess uvFlipper;
|
|
uvFlipper.Execute(pScene);
|
|
|
|
FlipWindingOrderProcess windingFlipper;
|
|
windingFlipper.Execute(pScene);
|
|
}
|
|
|
|
// ------------------------------------------------------------------------------------------------
|
|
aiMesh *MMDImporter::CreateMesh(const pmx::PmxModel *pModel,
|
|
const int indexStart, const int indexCount) {
|
|
aiMesh *pMesh = new aiMesh;
|
|
|
|
pMesh->mNumVertices = indexCount;
|
|
|
|
pMesh->mNumFaces = indexCount / 3;
|
|
pMesh->mFaces = new aiFace[pMesh->mNumFaces];
|
|
|
|
const int numIndices = 3; // triangular face
|
|
for (unsigned int index = 0; index < pMesh->mNumFaces; index++) {
|
|
pMesh->mFaces[index].mNumIndices = numIndices;
|
|
unsigned int *indices = new unsigned int[numIndices];
|
|
indices[0] = numIndices * index;
|
|
indices[1] = numIndices * index + 1;
|
|
indices[2] = numIndices * index + 2;
|
|
pMesh->mFaces[index].mIndices = indices;
|
|
}
|
|
|
|
pMesh->mVertices = new aiVector3D[pMesh->mNumVertices];
|
|
pMesh->mNormals = new aiVector3D[pMesh->mNumVertices];
|
|
pMesh->mTextureCoords[0] = new aiVector3D[pMesh->mNumVertices];
|
|
pMesh->mNumUVComponents[0] = 2;
|
|
|
|
// additional UVs
|
|
for (int i = 1; i <= pModel->setting.uv; i++) {
|
|
pMesh->mTextureCoords[i] = new aiVector3D[pMesh->mNumVertices];
|
|
pMesh->mNumUVComponents[i] = 4;
|
|
}
|
|
|
|
map<int, vector<aiVertexWeight>> bone_vertex_map;
|
|
|
|
// fill in contents and create bones
|
|
for (int index = 0; index < indexCount; index++) {
|
|
const pmx::PmxVertex *v =
|
|
&pModel->vertices[pModel->indices[indexStart + index]];
|
|
const float *position = v->position;
|
|
pMesh->mVertices[index].Set(position[0], position[1], position[2]);
|
|
const float *normal = v->normal;
|
|
|
|
pMesh->mNormals[index].Set(normal[0], normal[1], normal[2]);
|
|
pMesh->mTextureCoords[0][index].x = v->uv[0];
|
|
pMesh->mTextureCoords[0][index].y = v->uv[1];
|
|
|
|
for (int i = 1; i <= pModel->setting.uv; i++) {
|
|
// TODO: wrong here? use quaternion transform?
|
|
pMesh->mTextureCoords[i][index].x = v->uva[i][0];
|
|
pMesh->mTextureCoords[i][index].y = v->uva[i][1];
|
|
}
|
|
|
|
// handle bone map
|
|
const auto vsBDEF1_ptr =
|
|
dynamic_cast<pmx::PmxVertexSkinningBDEF1 *>(v->skinning.get());
|
|
const auto vsBDEF2_ptr =
|
|
dynamic_cast<pmx::PmxVertexSkinningBDEF2 *>(v->skinning.get());
|
|
const auto vsBDEF4_ptr =
|
|
dynamic_cast<pmx::PmxVertexSkinningBDEF4 *>(v->skinning.get());
|
|
const auto vsSDEF_ptr =
|
|
dynamic_cast<pmx::PmxVertexSkinningSDEF *>(v->skinning.get());
|
|
switch (v->skinning_type) {
|
|
case pmx::PmxVertexSkinningType::BDEF1:
|
|
bone_vertex_map[vsBDEF1_ptr->bone_index].push_back(
|
|
aiVertexWeight(index, 1.0));
|
|
break;
|
|
case pmx::PmxVertexSkinningType::BDEF2:
|
|
bone_vertex_map[vsBDEF2_ptr->bone_index1].push_back(
|
|
aiVertexWeight(index, vsBDEF2_ptr->bone_weight));
|
|
bone_vertex_map[vsBDEF2_ptr->bone_index2].push_back(
|
|
aiVertexWeight(index, 1.0f - vsBDEF2_ptr->bone_weight));
|
|
break;
|
|
case pmx::PmxVertexSkinningType::BDEF4:
|
|
bone_vertex_map[vsBDEF4_ptr->bone_index1].push_back(
|
|
aiVertexWeight(index, vsBDEF4_ptr->bone_weight1));
|
|
bone_vertex_map[vsBDEF4_ptr->bone_index2].push_back(
|
|
aiVertexWeight(index, vsBDEF4_ptr->bone_weight2));
|
|
bone_vertex_map[vsBDEF4_ptr->bone_index3].push_back(
|
|
aiVertexWeight(index, vsBDEF4_ptr->bone_weight3));
|
|
bone_vertex_map[vsBDEF4_ptr->bone_index4].push_back(
|
|
aiVertexWeight(index, vsBDEF4_ptr->bone_weight4));
|
|
break;
|
|
case pmx::PmxVertexSkinningType::SDEF: // TODO: how to use sdef_c, sdef_r0,
|
|
// sdef_r1?
|
|
bone_vertex_map[vsSDEF_ptr->bone_index1].push_back(
|
|
aiVertexWeight(index, vsSDEF_ptr->bone_weight));
|
|
bone_vertex_map[vsSDEF_ptr->bone_index2].push_back(
|
|
aiVertexWeight(index, 1.0f - vsSDEF_ptr->bone_weight));
|
|
break;
|
|
case pmx::PmxVertexSkinningType::QDEF:
|
|
const auto vsQDEF_ptr =
|
|
dynamic_cast<pmx::PmxVertexSkinningQDEF *>(v->skinning.get());
|
|
bone_vertex_map[vsQDEF_ptr->bone_index1].push_back(
|
|
aiVertexWeight(index, vsQDEF_ptr->bone_weight1));
|
|
bone_vertex_map[vsQDEF_ptr->bone_index2].push_back(
|
|
aiVertexWeight(index, vsQDEF_ptr->bone_weight2));
|
|
bone_vertex_map[vsQDEF_ptr->bone_index3].push_back(
|
|
aiVertexWeight(index, vsQDEF_ptr->bone_weight3));
|
|
bone_vertex_map[vsQDEF_ptr->bone_index4].push_back(
|
|
aiVertexWeight(index, vsQDEF_ptr->bone_weight4));
|
|
break;
|
|
}
|
|
}
|
|
|
|
// make all bones for each mesh
|
|
// assign bone weights to skinned bones (otherwise just initialize)
|
|
auto bone_ptr_ptr = new aiBone *[pModel->bone_count];
|
|
pMesh->mNumBones = pModel->bone_count;
|
|
pMesh->mBones = bone_ptr_ptr;
|
|
for (auto ii = 0; ii < pModel->bone_count; ++ii) {
|
|
auto pBone = new aiBone;
|
|
const auto &pmxBone = pModel->bones[ii];
|
|
pBone->mName = pmxBone.bone_name;
|
|
aiVector3D pos(pmxBone.position[0], pmxBone.position[1], pmxBone.position[2]);
|
|
aiMatrix4x4::Translation(-pos, pBone->mOffsetMatrix);
|
|
auto it = bone_vertex_map.find(ii);
|
|
if (it != bone_vertex_map.end()) {
|
|
pBone->mNumWeights = static_cast<unsigned int>(it->second.size());
|
|
pBone->mWeights = new aiVertexWeight[pBone->mNumWeights];
|
|
for (unsigned int j = 0; j < pBone->mNumWeights; j++) {
|
|
pBone->mWeights[j] = it->second[j];
|
|
}
|
|
}
|
|
bone_ptr_ptr[ii] = pBone;
|
|
}
|
|
|
|
return pMesh;
|
|
}
|
|
|
|
// ------------------------------------------------------------------------------------------------
|
|
aiMaterial *MMDImporter::CreateMaterial(const pmx::PmxMaterial *pMat,
|
|
const pmx::PmxModel *pModel) {
|
|
aiMaterial *mat = new aiMaterial();
|
|
aiString name(pMat->material_english_name);
|
|
mat->AddProperty(&name, AI_MATKEY_NAME);
|
|
|
|
aiColor3D diffuse(pMat->diffuse[0], pMat->diffuse[1], pMat->diffuse[2]);
|
|
mat->AddProperty(&diffuse, 1, AI_MATKEY_COLOR_DIFFUSE);
|
|
aiColor3D specular(pMat->specular[0], pMat->specular[1], pMat->specular[2]);
|
|
mat->AddProperty(&specular, 1, AI_MATKEY_COLOR_SPECULAR);
|
|
aiColor3D ambient(pMat->ambient[0], pMat->ambient[1], pMat->ambient[2]);
|
|
mat->AddProperty(&ambient, 1, AI_MATKEY_COLOR_AMBIENT);
|
|
|
|
float opacity = pMat->diffuse[3];
|
|
mat->AddProperty(&opacity, 1, AI_MATKEY_OPACITY);
|
|
float shininess = pMat->specularlity;
|
|
mat->AddProperty(&shininess, 1, AI_MATKEY_SHININESS_STRENGTH);
|
|
|
|
if(pMat->diffuse_texture_index >= 0) {
|
|
aiString texture_path(pModel->textures[pMat->diffuse_texture_index]);
|
|
mat->AddProperty(&texture_path, AI_MATKEY_TEXTURE(aiTextureType_DIFFUSE, 0));
|
|
}
|
|
|
|
int mapping_uvwsrc = 0;
|
|
mat->AddProperty(&mapping_uvwsrc, 1,
|
|
AI_MATKEY_UVWSRC(aiTextureType_DIFFUSE, 0));
|
|
|
|
return mat;
|
|
}
|
|
|
|
// ------------------------------------------------------------------------------------------------
|
|
|
|
} // Namespace Assimp
|
|
|
|
#endif // !! ASSIMP_BUILD_NO_MMD_IMPORTER
|