move 3rd-party librarys into libs/ and add built-in honeysuckle

1 files changed, 368 insertions, 0 deletions

diff --git a/libs/assimp/code/AssetLib/MMD/MMDImporter.cpp b/libs/assimp/code/AssetLib/MMD/MMDImporter.cpp
new file mode 100644
index 0000000..e0e68f7
--- /dev/null
+++ b/libs/assimp/code/AssetLib/MMD/MMDImporter.cpp
@@ -0,0 +1,368 @@
+/*
+---------------------------------------------------------------------------
+Open Asset Import Library (assimp)
+---------------------------------------------------------------------------
+
+Copyright (c) 2006-2022, 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 "AssetLib/MMD/MMDImporter.h"
+#include "AssetLib/MMD/MMDPmdParser.h"
+#include "AssetLib/MMD/MMDPmxParser.h"
+#include "AssetLib/MMD/MMDVmdParser.h"
+#include "PostProcessing/ConvertToLHProcess.h"
+
+#include <assimp/DefaultIOSystem.h>
+#include <assimp/ai_assert.h>
+#include <assimp/scene.h>
+#include <assimp/Importer.hpp>
+
+#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 {
+    static const char *tokens[] = { "PMX " };
+    return SearchFileHeaderForToken(pIOHandler, pFile, tokens, AI_COUNT_OF(tokens));
+}
+
+// ------------------------------------------------------------------------------------------------
+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 == nullptr) {
+        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