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

1 files changed, 680 insertions, 0 deletions

diff --git a/libs/assimp/code/AssetLib/Q3BSP/Q3BSPFileImporter.cpp b/libs/assimp/code/AssetLib/Q3BSP/Q3BSPFileImporter.cpp
new file mode 100644
index 0000000..db9a4a0
--- /dev/null
+++ b/libs/assimp/code/AssetLib/Q3BSP/Q3BSPFileImporter.cpp
@@ -0,0 +1,680 @@
+/*
+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_Q3BSP_IMPORTER
+
+#include "Q3BSPFileImporter.h"
+#include "Q3BSPFileData.h"
+#include "Q3BSPFileParser.h"
+
+#include <assimp/DefaultLogger.hpp>
+
+#ifdef ASSIMP_BUILD_NO_OWN_ZLIB
+#include <zlib.h>
+#else
+#include "../contrib/zlib/zlib.h"
+#endif
+
+#include <assimp/DefaultIOSystem.h>
+#include <assimp/StringComparison.h>
+#include <assimp/ZipArchiveIOSystem.h>
+#include <assimp/ai_assert.h>
+#include <assimp/importerdesc.h>
+#include <assimp/mesh.h>
+#include <assimp/scene.h>
+#include <assimp/types.h>
+#include <sstream>
+#include <vector>
+
+static const aiImporterDesc desc = {
+    "Quake III BSP Importer",
+    "",
+    "",
+    "",
+    aiImporterFlags_SupportBinaryFlavour,
+    0,
+    0,
+    0,
+    0,
+    "bsp pk3"
+};
+
+namespace Assimp {
+
+using namespace Q3BSP;
+
+// ------------------------------------------------------------------------------------------------
+//  Local function to create a material key name.
+static void createKey(int id1, int id2, std::string &key) {
+    std::ostringstream str;
+    str << id1 << "." << id2;
+    key = str.str();
+}
+
+// ------------------------------------------------------------------------------------------------
+//  Local function to extract the texture ids from a material key-name.
+static void extractIds(const std::string &key, int &id1, int &id2) {
+    id1 = -1;
+    id2 = -1;
+    if (key.empty()) {
+        return;
+    }
+
+    const std::string::size_type pos = key.find('.');
+    if (std::string::npos == pos) {
+        return;
+    }
+
+    std::string tmp1 = key.substr(0, pos);
+    std::string tmp2 = key.substr(pos + 1, key.size() - pos - 1);
+    id1 = atoi(tmp1.c_str());
+    id2 = atoi(tmp2.c_str());
+}
+
+// ------------------------------------------------------------------------------------------------
+//  Local helper function to normalize filenames.
+static void normalizePathName(const std::string &rPath, std::string &normalizedPath) {
+    normalizedPath = std::string();
+    if (rPath.empty()) {
+        return;
+    }
+
+#ifdef _WIN32
+    std::string sep = "\\";
+#else
+    std::string sep = "/";
+#endif
+
+    static const unsigned int numDelimiters = 2;
+    const char delimiters[numDelimiters] = { '/', '\\' };
+    normalizedPath = rPath;
+    for (const char delimiter : delimiters) {
+        for (size_t j = 0; j < normalizedPath.size(); ++j) {
+            if (normalizedPath[j] == delimiter) {
+                normalizedPath[j] = sep[0];
+            }
+        }
+    }
+}
+
+// ------------------------------------------------------------------------------------------------
+//  Constructor.
+Q3BSPFileImporter::Q3BSPFileImporter() :
+        m_pCurrentMesh(nullptr), m_pCurrentFace(nullptr), m_MaterialLookupMap(), mTextures() {
+    // empty
+}
+
+// ------------------------------------------------------------------------------------------------
+//  Destructor.
+Q3BSPFileImporter::~Q3BSPFileImporter() {
+    // Clear face-to-material map
+    for (FaceMap::iterator it = m_MaterialLookupMap.begin(); it != m_MaterialLookupMap.end(); ++it) {
+        const std::string &matName = it->first;
+        if (!matName.empty()) {
+            delete it->second;
+        }
+    }
+}
+
+// ------------------------------------------------------------------------------------------------
+//  Returns true if the loader can read this.
+bool Q3BSPFileImporter::CanRead(const std::string &filename, IOSystem * /*pIOHandler*/, bool checkSig) const {
+    if (!checkSig) {
+        return SimpleExtensionCheck(filename, "pk3", "bsp");
+    }
+    return false;
+}
+
+// ------------------------------------------------------------------------------------------------
+//  Adds extensions.
+const aiImporterDesc *Q3BSPFileImporter::GetInfo() const {
+    return &desc;
+}
+
+// ------------------------------------------------------------------------------------------------
+//  Import method.
+void Q3BSPFileImporter::InternReadFile(const std::string &rFile, aiScene *scene, IOSystem *ioHandler) {
+    ZipArchiveIOSystem Archive(ioHandler, rFile);
+    if (!Archive.isOpen()) {
+        throw DeadlyImportError("Failed to open file ", rFile, ".");
+    }
+
+    std::string archiveName, mapName;
+    separateMapName(rFile, archiveName, mapName);
+
+    if (mapName.empty()) {
+        if (!findFirstMapInArchive(Archive, mapName)) {
+            return;
+        }
+    }
+
+    Q3BSPFileParser fileParser(mapName, &Archive);
+    Q3BSPModel *pBSPModel = fileParser.getModel();
+    if (nullptr != pBSPModel) {
+        CreateDataFromImport(pBSPModel, scene, &Archive);
+    }
+}
+
+// ------------------------------------------------------------------------------------------------
+//  Separates the map name from the import name.
+void Q3BSPFileImporter::separateMapName(const std::string &importName, std::string &archiveName, std::string &mapName) {
+    archiveName = std::string();
+    mapName = std::string();
+    if (importName.empty()) {
+        return;
+    }
+
+    const std::string::size_type pos = importName.rfind(',');
+    if (std::string::npos == pos) {
+        archiveName = importName;
+        return;
+    }
+
+    archiveName = importName.substr(0, pos);
+    mapName = importName.substr(pos, importName.size() - pos - 1);
+}
+
+// ------------------------------------------------------------------------------------------------
+//  Returns the first map in the map archive.
+bool Q3BSPFileImporter::findFirstMapInArchive(ZipArchiveIOSystem &bspArchive, std::string &mapName) {
+    mapName = std::string();
+    std::vector<std::string> fileList;
+    bspArchive.getFileListExtension(fileList, "bsp");
+    if (fileList.empty()) {
+        return false;
+    }
+
+    std::vector<std::string>::iterator it(fileList.begin());
+    for (; it != fileList.end(); ++it) {
+        const std::string::size_type pos = (*it).find("maps/");
+        if (std::string::npos != pos) {
+            std::string::size_type extPos = (*it).find(".bsp");
+            if (std::string::npos != extPos) {
+                mapName = *it;
+                return true;
+            }
+        }
+    }
+
+    return false;
+}
+
+// ------------------------------------------------------------------------------------------------
+//  Creates the assimp specific data.
+void Q3BSPFileImporter::CreateDataFromImport(const Q3BSP::Q3BSPModel *pModel, aiScene *pScene,
+        ZipArchiveIOSystem *pArchive) {
+    if (nullptr == pModel || nullptr == pScene) {
+        return;
+    }
+
+    pScene->mRootNode = new aiNode;
+    if (!pModel->m_ModelName.empty()) {
+        pScene->mRootNode->mName.Set(pModel->m_ModelName);
+    }
+
+    // Create the face to material relation map
+    createMaterialMap(pModel);
+
+    // Create all nodes
+    CreateNodes(pModel, pScene, pScene->mRootNode);
+
+    // Create the assigned materials
+    createMaterials(pModel, pScene, pArchive);
+}
+
+// ------------------------------------------------------------------------------------------------
+//  Creates all assimp nodes.
+void Q3BSPFileImporter::CreateNodes(const Q3BSP::Q3BSPModel *pModel, aiScene *pScene,
+        aiNode *pParent) {
+    if (nullptr == pModel) {
+        return;
+    }
+
+    unsigned int matIdx(0);
+    std::vector<aiMesh *> MeshArray;
+    std::vector<aiNode *> NodeArray;
+    for (FaceMapIt it = m_MaterialLookupMap.begin(); it != m_MaterialLookupMap.end(); ++it) {
+        std::vector<Q3BSP::sQ3BSPFace *> *pArray = (*it).second;
+        size_t numVerts = countData(*pArray);
+        if (0 != numVerts) {
+            aiMesh *pMesh(nullptr);
+            aiNode *pNode = CreateTopology(pModel, matIdx, *pArray, &pMesh);
+            if (nullptr != pNode) {
+                NodeArray.push_back(pNode);
+                MeshArray.push_back(pMesh);
+            }
+        }
+        matIdx++;
+    }
+
+    pScene->mNumMeshes = static_cast<unsigned int>(MeshArray.size());
+    if (pScene->mNumMeshes > 0) {
+        pScene->mMeshes = new aiMesh *[pScene->mNumMeshes];
+        for (size_t i = 0; i < MeshArray.size(); i++) {
+            aiMesh *pMesh = MeshArray[i];
+            if (nullptr != pMesh) {
+                pScene->mMeshes[i] = pMesh;
+            }
+        }
+    }
+
+    pParent->mNumChildren = static_cast<unsigned int>(MeshArray.size());
+    pParent->mChildren = new aiNode *[pScene->mRootNode->mNumChildren];
+    for (size_t i = 0; i < NodeArray.size(); i++) {
+        aiNode *pNode = NodeArray[i];
+        pNode->mParent = pParent;
+        pParent->mChildren[i] = pNode;
+        pParent->mChildren[i]->mMeshes[0] = static_cast<unsigned int>(i);
+    }
+}
+
+// ------------------------------------------------------------------------------------------------
+//  Creates the topology.
+aiNode *Q3BSPFileImporter::CreateTopology(const Q3BSP::Q3BSPModel *pModel, unsigned int materialIdx,
+        std::vector<sQ3BSPFace *> &rArray, aiMesh **pMesh) {
+    size_t numVerts = countData(rArray);
+    if (0 == numVerts) {
+        return nullptr;
+    }
+
+    size_t numFaces = countFaces(rArray);
+    if (0 == numFaces) {
+        return nullptr;
+    }
+
+    aiMesh *mesh = new aiMesh;
+    size_t numTriangles = countTriangles(rArray);
+    mesh->mPrimitiveTypes = aiPrimitiveType_TRIANGLE;
+
+    mesh->mFaces = new aiFace[numTriangles];
+    mesh->mNumFaces = static_cast<unsigned int>(numTriangles);
+
+    mesh->mNumVertices = static_cast<unsigned int>(numVerts);
+    mesh->mVertices = new aiVector3D[numVerts];
+    mesh->mNormals = new aiVector3D[numVerts];
+    mesh->mTextureCoords[0] = new aiVector3D[numVerts];
+    mesh->mTextureCoords[1] = new aiVector3D[numVerts];
+    mesh->mMaterialIndex = materialIdx;
+
+    unsigned int faceIdx = 0;
+    unsigned int vertIdx = 0;
+    mesh->mNumUVComponents[0] = 2;
+    mesh->mNumUVComponents[1] = 2;
+    for (std::vector<sQ3BSPFace *>::const_iterator it = rArray.begin(); it != rArray.end(); ++it) {
+        Q3BSP::sQ3BSPFace *pQ3BSPFace = *it;
+        ai_assert(nullptr != pQ3BSPFace);
+        if (nullptr == pQ3BSPFace) {
+            continue;
+        }
+
+        if (pQ3BSPFace->iNumOfFaceVerts > 0) {
+            if (pQ3BSPFace->iType == Polygon || pQ3BSPFace->iType == TriangleMesh) {
+                createTriangleTopology(pModel, pQ3BSPFace, mesh, faceIdx, vertIdx);
+            }
+        }
+    }
+
+    aiNode *pNode = new aiNode;
+    pNode->mNumMeshes = 1;
+    pNode->mMeshes = new unsigned int[1];
+    *pMesh = mesh;
+
+    return pNode;
+}
+
+// ------------------------------------------------------------------------------------------------
+//  Creates the triangle topology from a face array.
+void Q3BSPFileImporter::createTriangleTopology(const Q3BSP::Q3BSPModel *pModel, sQ3BSPFace *pQ3BSPFace,
+        aiMesh *pMesh, unsigned int &faceIdx, unsigned int &vertIdx) {
+    ai_assert(faceIdx < pMesh->mNumFaces);
+
+    m_pCurrentFace = getNextFace(pMesh, faceIdx);
+    if (nullptr == m_pCurrentFace) {
+        return;
+    }
+
+    m_pCurrentFace->mNumIndices = 3;
+    m_pCurrentFace->mIndices = new unsigned int[m_pCurrentFace->mNumIndices];
+
+    size_t idx(0);
+    for (size_t i = 0; i < (size_t)pQ3BSPFace->iNumOfFaceVerts; ++i) {
+        const size_t index = pQ3BSPFace->iVertexIndex + pModel->m_Indices[pQ3BSPFace->iFaceVertexIndex + i];
+        if (index >= pModel->m_Vertices.size()) {
+            continue;
+        }
+
+        sQ3BSPVertex *pVertex = pModel->m_Vertices[index];
+        if (nullptr == pVertex) {
+            continue;
+        }
+        if (idx > 2) {
+            idx = 0;
+            m_pCurrentFace = getNextFace(pMesh, faceIdx);
+            if (nullptr != m_pCurrentFace) {
+                m_pCurrentFace->mNumIndices = 3;
+                m_pCurrentFace->mIndices = new unsigned int[3];
+                m_pCurrentFace->mIndices[idx] = vertIdx;
+            }
+        }
+
+        pMesh->mVertices[vertIdx].Set(pVertex->vPosition.x, pVertex->vPosition.y, pVertex->vPosition.z);
+        pMesh->mNormals[vertIdx].Set(pVertex->vNormal.x, pVertex->vNormal.y, pVertex->vNormal.z);
+
+        pMesh->mTextureCoords[0][vertIdx].Set(pVertex->vTexCoord.x, pVertex->vTexCoord.y, 0.0f);
+        pMesh->mTextureCoords[1][vertIdx].Set(pVertex->vLightmap.x, pVertex->vLightmap.y, 0.0f);
+
+        vertIdx++;
+        idx++;
+    }
+}
+
+// ------------------------------------------------------------------------------------------------
+//  Creates all referenced materials.
+void Q3BSPFileImporter::createMaterials(const Q3BSP::Q3BSPModel *pModel, aiScene *pScene,
+        ZipArchiveIOSystem *pArchive) {
+    if (m_MaterialLookupMap.empty()) {
+        return;
+    }
+
+    pScene->mMaterials = new aiMaterial *[m_MaterialLookupMap.size()];
+    aiString aiMatName;
+    int textureId(-1), lightmapId(-1);
+    for (FaceMapIt it = m_MaterialLookupMap.begin(); it != m_MaterialLookupMap.end();
+            ++it) {
+        const std::string matName(it->first);
+        if (matName.empty()) {
+            continue;
+        }
+
+        aiMatName.Set(matName);
+        aiMaterial *pMatHelper = new aiMaterial;
+        pMatHelper->AddProperty(&aiMatName, AI_MATKEY_NAME);
+
+        extractIds(matName, textureId, lightmapId);
+
+        // Adding the texture
+        if (-1 != textureId) {
+            sQ3BSPTexture *pTexture = pModel->m_Textures[textureId];
+            if (nullptr != pTexture) {
+                std::string tmp("*"), texName;
+                tmp += pTexture->strName;
+                tmp += ".jpg";
+                normalizePathName(tmp, texName);
+
+                if (!importTextureFromArchive(pModel, pArchive, pScene, pMatHelper, textureId)) {
+                    ASSIMP_LOG_ERROR("Cannot import texture from archive ", texName);
+                }
+            }
+        }
+        if (-1 != lightmapId) {
+            importLightmap(pModel, pScene, pMatHelper, lightmapId);
+        }
+        pScene->mMaterials[pScene->mNumMaterials] = pMatHelper;
+        pScene->mNumMaterials++;
+    }
+    pScene->mNumTextures = static_cast<unsigned int>(mTextures.size());
+    pScene->mTextures = new aiTexture *[pScene->mNumTextures];
+    std::copy(mTextures.begin(), mTextures.end(), pScene->mTextures);
+}
+
+// ------------------------------------------------------------------------------------------------
+//  Counts the number of referenced vertices.
+size_t Q3BSPFileImporter::countData(const std::vector<sQ3BSPFace *> &faceArray) const {
+    size_t numVerts(0);
+    for (std::vector<sQ3BSPFace *>::const_iterator it = faceArray.begin(); it != faceArray.end();
+            ++it) {
+        sQ3BSPFace *pQ3BSPFace = *it;
+        if (pQ3BSPFace->iType == Polygon || pQ3BSPFace->iType == TriangleMesh) {
+            Q3BSP::sQ3BSPFace *face = *it;
+            if (nullptr != face) {
+                numVerts += face->iNumOfFaceVerts;
+            }
+        }
+    }
+
+    return numVerts;
+}
+
+// ------------------------------------------------------------------------------------------------
+//  Counts the faces with vertices.
+size_t Q3BSPFileImporter::countFaces(const std::vector<Q3BSP::sQ3BSPFace *> &rArray) const {
+    size_t numFaces = 0;
+    for (std::vector<sQ3BSPFace *>::const_iterator it = rArray.begin(); it != rArray.end();
+            ++it) {
+        Q3BSP::sQ3BSPFace *pQ3BSPFace = *it;
+        if (pQ3BSPFace->iNumOfFaceVerts > 0) {
+            numFaces++;
+        }
+    }
+
+    return numFaces;
+}
+
+// ------------------------------------------------------------------------------------------------
+//  Counts the number of triangles in a Q3-face-array.
+size_t Q3BSPFileImporter::countTriangles(const std::vector<Q3BSP::sQ3BSPFace *> &rArray) const {
+    size_t numTriangles = 0;
+    for (std::vector<Q3BSP::sQ3BSPFace *>::const_iterator it = rArray.begin(); it != rArray.end();
+            ++it) {
+        const Q3BSP::sQ3BSPFace *pQ3BSPFace = *it;
+        if (nullptr != pQ3BSPFace) {
+            numTriangles += pQ3BSPFace->iNumOfFaceVerts / 3;
+        }
+    }
+
+    return numTriangles;
+}
+
+// ------------------------------------------------------------------------------------------------
+//  Creates the faces-to-material map.
+void Q3BSPFileImporter::createMaterialMap(const Q3BSP::Q3BSPModel *pModel) {
+    std::string key;
+    std::vector<sQ3BSPFace *> *pCurFaceArray = nullptr;
+    for (size_t idx = 0; idx < pModel->m_Faces.size(); idx++) {
+        Q3BSP::sQ3BSPFace *pQ3BSPFace = pModel->m_Faces[idx];
+        const int texId = pQ3BSPFace->iTextureID;
+        const int lightMapId = pQ3BSPFace->iLightmapID;
+        createKey(texId, lightMapId, key);
+        FaceMapIt it = m_MaterialLookupMap.find(key);
+        if (m_MaterialLookupMap.end() == it) {
+            pCurFaceArray = new std::vector<Q3BSP::sQ3BSPFace *>;
+            m_MaterialLookupMap[key] = pCurFaceArray;
+        } else {
+            pCurFaceArray = (*it).second;
+        }
+        ai_assert(nullptr != pCurFaceArray);
+        if (nullptr != pCurFaceArray) {
+            pCurFaceArray->push_back(pQ3BSPFace);
+        }
+    }
+}
+
+// ------------------------------------------------------------------------------------------------
+//  Returns the next face.
+aiFace *Q3BSPFileImporter::getNextFace(aiMesh *mesh, unsigned int &faceIdx) {
+    aiFace *face(nullptr);
+    if (faceIdx < mesh->mNumFaces) {
+        face = &mesh->mFaces[faceIdx];
+        ++faceIdx;
+    }
+
+    return face;
+}
+
+// ------------------------------------------------------------------------------------------------
+//  Imports a texture file.
+bool Q3BSPFileImporter::importTextureFromArchive(const Q3BSP::Q3BSPModel *model,
+        ZipArchiveIOSystem *archive, aiScene *,
+        aiMaterial *pMatHelper, int textureId) {
+    if (nullptr == archive || nullptr == pMatHelper) {
+        return false;
+    }
+
+    if (textureId < 0 || textureId >= static_cast<int>(model->m_Textures.size())) {
+        return false;
+    }
+
+    bool res = true;
+    sQ3BSPTexture *pTexture = model->m_Textures[textureId];
+    if (!pTexture) {
+        return false;
+    }
+
+    std::vector<std::string> supportedExtensions;
+    supportedExtensions.push_back(".jpg");
+    supportedExtensions.push_back(".png");
+    supportedExtensions.push_back(".tga");
+    std::string textureName, ext;
+    if (expandFile(archive, pTexture->strName, supportedExtensions, textureName, ext)) {
+        IOStream *pTextureStream = archive->Open(textureName.c_str());
+        if (pTextureStream) {
+            size_t texSize = pTextureStream->FileSize();
+            aiTexture *curTexture = new aiTexture;
+            curTexture->mHeight = 0;
+            curTexture->mWidth = static_cast<unsigned int>(texSize);
+            unsigned char *pData = new unsigned char[curTexture->mWidth];
+            size_t readSize = pTextureStream->Read(pData, sizeof(unsigned char), curTexture->mWidth);
+            (void)readSize;
+            ai_assert(readSize == curTexture->mWidth);
+            curTexture->pcData = reinterpret_cast<aiTexel *>(pData);
+            curTexture->achFormatHint[0] = ext[1];
+            curTexture->achFormatHint[1] = ext[2];
+            curTexture->achFormatHint[2] = ext[3];
+            curTexture->achFormatHint[3] = '\0';
+            res = true;
+
+            aiString name;
+            name.data[0] = '*';
+            name.length = 1 + ASSIMP_itoa10(name.data + 1, static_cast<unsigned int>(MAXLEN - 1), static_cast<int32_t>(mTextures.size()));
+
+            archive->Close(pTextureStream);
+
+            pMatHelper->AddProperty(&name, AI_MATKEY_TEXTURE_DIFFUSE(0));
+            mTextures.push_back(curTexture);
+        } else {
+            // If it doesn't exist in the archive, it is probably just a reference to an external file.
+            // We'll leave it up to the user to figure out which extension the file has.
+            aiString name;
+            strncpy(name.data, pTexture->strName, sizeof name.data);
+            name.length = static_cast<ai_uint32>(strlen(name.data));
+            pMatHelper->AddProperty(&name, AI_MATKEY_TEXTURE_DIFFUSE(0));
+        }
+    }
+
+    return res;
+}
+
+// ------------------------------------------------------------------------------------------------
+//  Imports a light map file.
+bool Q3BSPFileImporter::importLightmap(const Q3BSP::Q3BSPModel *pModel, aiScene *pScene,
+        aiMaterial *pMatHelper, int lightmapId) {
+    if (nullptr == pModel || nullptr == pScene || nullptr == pMatHelper) {
+        return false;
+    }
+
+    if (lightmapId < 0 || lightmapId >= static_cast<int>(pModel->m_Lightmaps.size())) {
+        return false;
+    }
+
+    sQ3BSPLightmap *pLightMap = pModel->m_Lightmaps[lightmapId];
+    if (nullptr == pLightMap) {
+        return false;
+    }
+
+    aiTexture *pTexture = new aiTexture;
+
+    pTexture->mWidth = CE_BSP_LIGHTMAPWIDTH;
+    pTexture->mHeight = CE_BSP_LIGHTMAPHEIGHT;
+    pTexture->pcData = new aiTexel[CE_BSP_LIGHTMAPWIDTH * CE_BSP_LIGHTMAPHEIGHT];
+
+    ::memcpy(pTexture->pcData, pLightMap->bLMapData, pTexture->mWidth);
+    size_t p = 0;
+    for (size_t i = 0; i < CE_BSP_LIGHTMAPWIDTH * CE_BSP_LIGHTMAPHEIGHT; ++i) {
+        pTexture->pcData[i].r = pLightMap->bLMapData[p++];
+        pTexture->pcData[i].g = pLightMap->bLMapData[p++];
+        pTexture->pcData[i].b = pLightMap->bLMapData[p++];
+        pTexture->pcData[i].a = 0xFF;
+    }
+
+    aiString name;
+    name.data[0] = '*';
+    name.length = 1 + ASSIMP_itoa10(name.data + 1, static_cast<unsigned int>(MAXLEN - 1), static_cast<int32_t>(mTextures.size()));
+
+    pMatHelper->AddProperty(&name, AI_MATKEY_TEXTURE_LIGHTMAP(1));
+    mTextures.push_back(pTexture);
+
+    return true;
+}
+
+// ------------------------------------------------------------------------------------------------
+//  Will search for a supported extension.
+bool Q3BSPFileImporter::expandFile(ZipArchiveIOSystem *pArchive, const std::string &rFilename,
+        const std::vector<std::string> &rExtList, std::string &rFile,
+        std::string &rExt) {
+    ai_assert(nullptr != pArchive);
+    ai_assert(!rFilename.empty());
+
+    if (rExtList.empty()) {
+        rFile = rFilename;
+        rExt = std::string();
+        return true;
+    }
+
+    bool found = false;
+    for (std::vector<std::string>::const_iterator it = rExtList.begin(); it != rExtList.end(); ++it) {
+        const std::string textureName = rFilename + *it;
+        if (pArchive->Exists(textureName.c_str())) {
+            rExt = *it;
+            rFile = textureName;
+            found = true;
+            break;
+        }
+    }
+
+    return found;
+}
+
+// ------------------------------------------------------------------------------------------------
+
+} // Namespace Assimp
+
+#endif // ASSIMP_BUILD_NO_Q3BSP_IMPORTER