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diff --git a/libs/assimp/code/AssetLib/Obj/ObjTools.h b/libs/assimp/code/AssetLib/Obj/ObjTools.h
deleted file mode 100644
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-/*
-Open Asset Import Library (assimp)
-----------------------------------------------------------------------
-
-Copyright (c) 2006-2021, 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 ObjTools.h
- * @brief Some helpful templates for text parsing
- */
-#ifndef OBJ_TOOLS_H_INC
-#define OBJ_TOOLS_H_INC
-
-#include <assimp/ParsingUtils.h>
-#include <assimp/fast_atof.h>
-#include <vector>
-
-namespace Assimp {
-
-/**
- * @brief Returns true, if the last entry of the buffer is reached.
- * @param[in] it Iterator of current position.
- * @param[in] end Iterator with end of buffer.
- * @return true, if the end of the buffer is reached.
- */
-template <class char_t>
-inline bool isEndOfBuffer(char_t it, char_t end) {
- if (it == end) {
- return true;
- }
- --end;
-
- return (it == end);
-}
-
-/**
- * @brief Returns next word separated by a space
- * @param[in] pBuffer Pointer to data buffer
- * @param[in] pEnd Pointer to end of buffer
- * @return Pointer to next space
- */
-template <class Char_T>
-inline Char_T getNextWord(Char_T pBuffer, Char_T pEnd) {
- while (!isEndOfBuffer(pBuffer, pEnd)) {
- if (!IsSpaceOrNewLine(*pBuffer) || IsLineEnd(*pBuffer)) {
- break;
- }
- ++pBuffer;
- }
-
- return pBuffer;
-}
-
-/**
- * @brief Returns pointer a next token
- * @param[in] pBuffer Pointer to data buffer
- * @param[in] pEnd Pointer to end of buffer
- * @return Pointer to next token
- */
-template <class Char_T>
-inline Char_T getNextToken(Char_T pBuffer, Char_T pEnd) {
- while (!isEndOfBuffer(pBuffer, pEnd)) {
- if (IsSpaceOrNewLine(*pBuffer)) {
- break;
- }
- ++pBuffer;
- }
- return getNextWord(pBuffer, pEnd);
-}
-
-/**
- * @brief Skips a line
- * @param[in] it Iterator set to current position
- * @param[in] end Iterator set to end of scratch buffer for readout
- * @param[out] uiLine Current line number in format
- * @return Current-iterator with new position
- */
-template <class char_t>
-inline char_t skipLine(char_t it, char_t end, unsigned int &uiLine) {
- while (!isEndOfBuffer(it, end) && !IsLineEnd(*it)) {
- ++it;
- }
-
- if (it != end) {
- ++it;
- ++uiLine;
- }
- // fix .. from time to time there are spaces at the beginning of a material line
- while (it != end && (*it == '\t' || *it == ' ')) {
- ++it;
- }
-
- return it;
-}
-
-/**
- * @brief Get a name from the current line. Preserve space in the middle,
- * but trim it at the end.
- * @param[in] it set to current position
- * @param[in] end set to end of scratch buffer for readout
- * @param[out] name Separated name
- * @return Current-iterator with new position
- */
-template <class char_t>
-inline char_t getName(char_t it, char_t end, std::string &name) {
- name = "";
- if (isEndOfBuffer(it, end)) {
- return end;
- }
-
- char *pStart = &(*it);
- while (!isEndOfBuffer(it, end) && !IsLineEnd(*it)) {
- ++it;
- }
-
- while (IsSpace(*it)) {
- --it;
- }
- // Get name
- // if there is no name, and the previous char is a separator, come back to start
- while (&(*it) < pStart) {
- ++it;
- }
- std::string strName(pStart, &(*it));
- if (!strName.empty()) {
- name = strName;
- }
-
-
- return it;
-}
-
-/**
- * @brief Get a name from the current line. Do not preserve space
- * in the middle, but trim it at the end.
- * @param it set to current position
- * @param end set to end of scratch buffer for readout
- * @param name Separated name
- * @return Current-iterator with new position
- */
-template <class char_t>
-inline char_t getNameNoSpace(char_t it, char_t end, std::string &name) {
- name = "";
- if (isEndOfBuffer(it, end)) {
- return end;
- }
-
- char *pStart = &(*it);
- while (!isEndOfBuffer(it, end) && !IsLineEnd(*it) && !IsSpaceOrNewLine(*it)) {
- ++it;
- }
-
- while (isEndOfBuffer(it, end) || IsLineEnd(*it) || IsSpaceOrNewLine(*it)) {
- --it;
- }
- ++it;
-
- // Get name
- // if there is no name, and the previous char is a separator, come back to start
- while (&(*it) < pStart) {
- ++it;
- }
- std::string strName(pStart, &(*it));
- if (!strName.empty()) {
- name = strName;
- }
-
- return it;
-}
-
-/**
- * @brief Get next word from given line
- * @param[in] it set to current position
- * @param[in] end set to end of scratch buffer for readout
- * @param[in] pBuffer Buffer for next word
- * @param[in] length Buffer length
- * @return Current-iterator with new position
- */
-template <class char_t>
-inline char_t CopyNextWord(char_t it, char_t end, char *pBuffer, size_t length) {
- size_t index = 0;
- it = getNextWord<char_t>(it, end);
- while (!IsSpaceOrNewLine(*it) && !isEndOfBuffer(it, end)) {
- pBuffer[index] = *it;
- ++index;
- if (index == length - 1) {
- break;
- }
- ++it;
- }
- pBuffer[index] = '\0';
- return it;
-}
-
-/**
- * @brief Get next float from given line
- * @param[in] it set to current position
- * @param[in] end set to end of scratch buffer for readout
- * @param[out] value Separated float value.
- * @return Current-iterator with new position
- */
-template <class char_t>
-inline char_t getFloat(char_t it, char_t end, ai_real &value) {
- static const size_t BUFFERSIZE = 1024;
- char buffer[BUFFERSIZE];
- it = CopyNextWord<char_t>(it, end, buffer, BUFFERSIZE);
- value = (ai_real)fast_atof(buffer);
-
- return it;
-}
-
-/**
- * @brief Will remove white-spaces for a string.
- * @param[in] str The string to clean
- * @return The trimmed string.
- */
-template <class string_type>
-inline string_type trim_whitespaces(string_type str) {
- while (!str.empty() && IsSpace(str[0])) {
- str.erase(0);
- }
- while (!str.empty() && IsSpace(str[str.length() - 1])) {
- str.erase(str.length() - 1);
- }
- return str;
-}
-
-/**
- * @brief Checks for a line-end.
- * @param[in] it Current iterator in string.
- * @param[in] end End of the string.
- * @return The trimmed string.
- */
-template <class T>
-bool hasLineEnd(T it, T end) {
- bool hasLineEnd = false;
- while (!isEndOfBuffer(it, end)) {
- ++it;
- if (IsLineEnd(it)) {
- hasLineEnd = true;
- break;
- }
- }
-
- return hasLineEnd;
-}
-
-} // Namespace Assimp
-
-#endif // OBJ_TOOLS_H_INC
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