1 files changed, 0 insertions, 221 deletions
diff --git a/thirdparty/assimp/code/PostProcessing/RemoveRedundantMaterials.cpp b/thirdparty/assimp/code/PostProcessing/RemoveRedundantMaterials.cpp
deleted file mode 100644
index 49ec8f5c47..0000000000
--- a/thirdparty/assimp/code/PostProcessing/RemoveRedundantMaterials.cpp
+++ /dev/null
@@ -1,221 +0,0 @@
-/*
----------------------------------------------------------------------------
-Open Asset Import Library (assimp)
----------------------------------------------------------------------------
-
-Copyright (c) 2006-2019, 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 RemoveRedundantMaterials.cpp
- *  @brief Implementation of the "RemoveRedundantMaterials" post processing step
-*/
-
-// internal headers
-
-#include "RemoveRedundantMaterials.h"
-#include <assimp/ParsingUtils.h>
-#include "ProcessHelper.h"
-#include "Material/MaterialSystem.h"
-#include <stdio.h>
-
-using namespace Assimp;
-
-// ------------------------------------------------------------------------------------------------
-// Constructor to be privately used by Importer
-RemoveRedundantMatsProcess::RemoveRedundantMatsProcess()
-: mConfigFixedMaterials() {
-    // nothing to do here
-}
-
-// ------------------------------------------------------------------------------------------------
-// Destructor, private as well
-RemoveRedundantMatsProcess::~RemoveRedundantMatsProcess()
-{
-    // nothing to do here
-}
-
-// ------------------------------------------------------------------------------------------------
-// Returns whether the processing step is present in the given flag field.
-bool RemoveRedundantMatsProcess::IsActive( unsigned int pFlags) const
-{
-    return (pFlags & aiProcess_RemoveRedundantMaterials) != 0;
-}
-
-// ------------------------------------------------------------------------------------------------
-// Setup import properties
-void RemoveRedundantMatsProcess::SetupProperties(const Importer* pImp)
-{
-    // Get value of AI_CONFIG_PP_RRM_EXCLUDE_LIST
-    mConfigFixedMaterials = pImp->GetPropertyString(AI_CONFIG_PP_RRM_EXCLUDE_LIST,"");
-}
-
-// ------------------------------------------------------------------------------------------------
-// Executes the post processing step on the given imported data.
-void RemoveRedundantMatsProcess::Execute( aiScene* pScene)
-{
-    ASSIMP_LOG_DEBUG("RemoveRedundantMatsProcess begin");
-
-    unsigned int redundantRemoved = 0, unreferencedRemoved = 0;
-    if (pScene->mNumMaterials)
-    {
-        // Find out which materials are referenced by meshes
-        std::vector<bool> abReferenced(pScene->mNumMaterials,false);
-        for (unsigned int i = 0;i < pScene->mNumMeshes;++i)
-            abReferenced[pScene->mMeshes[i]->mMaterialIndex] = true;
-
-        // If a list of materials to be excluded was given, match the list with
-        // our imported materials and 'salt' all positive matches to ensure that
-        // we get unique hashes later.
-        if (mConfigFixedMaterials.length()) {
-
-            std::list<std::string> strings;
-            ConvertListToStrings(mConfigFixedMaterials,strings);
-
-            for (unsigned int i = 0; i < pScene->mNumMaterials;++i) {
-                aiMaterial* mat = pScene->mMaterials[i];
-
-                aiString name;
-                mat->Get(AI_MATKEY_NAME,name);
-
-                if (name.length) {
-                    std::list<std::string>::const_iterator it = std::find(strings.begin(), strings.end(), name.data);
-                    if (it != strings.end()) {
-
-                        // Our brilliant 'salt': A single material property with ~ as first
-                        // character to mark it as internal and temporary.
-                        const int dummy = 1;
-                        ((aiMaterial*)mat)->AddProperty(&dummy,1,"~RRM.UniqueMaterial",0,0);
-
-                        // Keep this material even if no mesh references it
-                        abReferenced[i] = true;
-                        ASSIMP_LOG_DEBUG_F( "Found positive match in exclusion list: \'", name.data, "\'");
-                    }
-                }
-            }
-        }
-
-        // TODO: re-implement this algorithm to work in-place
-        unsigned int *aiMappingTable = new unsigned int[pScene->mNumMaterials];
-        for ( unsigned int i=0; i<pScene->mNumMaterials; i++ ) {
-            aiMappingTable[ i ] = 0;
-        }
-        unsigned int iNewNum = 0;
-
-        // Iterate through all materials and calculate a hash for them
-        // store all hashes in a list and so a quick search whether
-        // we do already have a specific hash. This allows us to
-        // determine which materials are identical.
-        uint32_t *aiHashes = new uint32_t[ pScene->mNumMaterials ];;
-        for (unsigned int i = 0; i < pScene->mNumMaterials;++i)
-        {
-            // No mesh is referencing this material, remove it.
-            if (!abReferenced[i]) {
-                ++unreferencedRemoved;
-                delete pScene->mMaterials[i];
-                pScene->mMaterials[i] = nullptr;
-                continue;
-            }
-
-            // Check all previously mapped materials for a matching hash.
-            // On a match we can delete this material and just make it ref to the same index.
-            uint32_t me = aiHashes[i] = ComputeMaterialHash(pScene->mMaterials[i]);
-            for (unsigned int a = 0; a < i;++a)
-            {
-                if (abReferenced[a] && me == aiHashes[a]) {
-                    ++redundantRemoved;
-                    me = 0;
-                    aiMappingTable[i] = aiMappingTable[a];
-                    delete pScene->mMaterials[i];
-                    pScene->mMaterials[i] = nullptr;
-                    break;
-                }
-            }
-            // This is a new material that is referenced, add to the map.
-            if (me) {
-                aiMappingTable[i] = iNewNum++;
-            }
-        }
-        // If the new material count differs from the original,
-        // we need to rebuild the material list and remap mesh material indexes.
-        if (iNewNum != pScene->mNumMaterials) {
-            ai_assert(iNewNum > 0);
-            aiMaterial** ppcMaterials = new aiMaterial*[iNewNum];
-            ::memset(ppcMaterials,0,sizeof(void*)*iNewNum);
-            for (unsigned int p = 0; p < pScene->mNumMaterials;++p)
-            {
-                // if the material is not referenced ... remove it
-                if (!abReferenced[p]) {
-                    continue;
-                }
-
-                // generate new names for modified materials that had no names
-                const unsigned int idx = aiMappingTable[p];
-                if (ppcMaterials[idx]) {
-                    aiString sz;
-                    if( ppcMaterials[idx]->Get(AI_MATKEY_NAME, sz) != AI_SUCCESS ) {
-                        sz.length = ::ai_snprintf(sz.data,MAXLEN,"JoinedMaterial_#%u",p);
-                        ((aiMaterial*)ppcMaterials[idx])->AddProperty(&sz,AI_MATKEY_NAME);
-                    }
-                } else {
-                    ppcMaterials[idx] = pScene->mMaterials[p];
-                }
-            }
-            // update all material indices
-            for (unsigned int p = 0; p < pScene->mNumMeshes;++p) {
-                aiMesh* mesh = pScene->mMeshes[p];
-                ai_assert( NULL!=mesh );
-                mesh->mMaterialIndex = aiMappingTable[mesh->mMaterialIndex];
-            }
-            // delete the old material list
-            delete[] pScene->mMaterials;
-            pScene->mMaterials = ppcMaterials;
-            pScene->mNumMaterials = iNewNum;
-        }
-        // delete temporary storage
-        delete[] aiHashes;
-        delete[] aiMappingTable;
-    }
-    if (redundantRemoved == 0 && unreferencedRemoved == 0)
-    {
-        ASSIMP_LOG_DEBUG("RemoveRedundantMatsProcess finished ");
-    }
-    else
-    {
-        ASSIMP_LOG_INFO_F("RemoveRedundantMatsProcess finished. Removed ", redundantRemoved, " redundant and ", 
-            unreferencedRemoved, " unused materials.");
-    }
-}