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diff --git a/src/mesh/assimp-master/tools/assimp_view/LogDisplay.cpp b/src/mesh/assimp-master/tools/assimp_view/LogDisplay.cpp
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+++ b/src/mesh/assimp-master/tools/assimp_view/LogDisplay.cpp
@@ -0,0 +1,221 @@
+/*
+---------------------------------------------------------------------------
+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.
+---------------------------------------------------------------------------
+*/
+
+#include "assimp_view.h"
+
+namespace AssimpView {
+
+CLogDisplay CLogDisplay::s_cInstance;
+
+//-------------------------------------------------------------------------------
+void CLogDisplay::AddEntry(const std::string& szText, const D3DCOLOR clrColor) {
+ SEntry sNew;
+ sNew.clrColor = clrColor;
+ sNew.szText = szText;
+ sNew.dwStartTicks = (DWORD)GetTickCount();
+
+ this->asEntries.push_back(sNew);
+}
+
+//-------------------------------------------------------------------------------
+void CLogDisplay::ReleaseNativeResource() {
+ if (this->piFont) {
+ this->piFont->Release();
+ this->piFont = nullptr;
+ }
+}
+
+//-------------------------------------------------------------------------------
+void CLogDisplay::RecreateNativeResource() {
+ if (!this->piFont) {
+ if (FAILED(D3DXCreateFont(g_piDevice,
+ 16, //Font height
+ 0, //Font width
+ FW_BOLD, //Font Weight
+ 1, //MipLevels
+ false, //Italic
+ DEFAULT_CHARSET, //CharSet
+ OUT_DEFAULT_PRECIS, //OutputPrecision
+ //CLEARTYPE_QUALITY, //Quality
+ 5, //Quality
+ DEFAULT_PITCH|FF_DONTCARE, //PitchAndFamily
+ "Verdana", //pFacename,
+ &this->piFont))) {
+ CLogDisplay::Instance().AddEntry("Unable to load font",D3DCOLOR_ARGB(0xFF,0xFF,0,0));
+
+ this->piFont = nullptr;
+ return;
+ }
+ }
+}
+
+//-------------------------------------------------------------------------------
+void CLogDisplay::OnRender() {
+ DWORD dwTick = (DWORD) GetTickCount();
+ DWORD dwLimit = dwTick - 8000;
+ DWORD dwLimit2 = dwLimit + 3000;
+
+ unsigned int iCnt = 0;
+ RECT sRect;
+ sRect.left = 10;
+ sRect.top = 10;
+
+ RECT sWndRect;
+ GetWindowRect(GetDlgItem(g_hDlg,IDC_RT),&sWndRect);
+ sWndRect.right -= sWndRect.left;
+ sWndRect.bottom -= sWndRect.top;
+ sWndRect.left = sWndRect.top = 0;
+
+ sRect.right = sWndRect.right - 30;
+ sRect.bottom = sWndRect.bottom;
+
+ // if no asset is loaded draw a "no asset loaded" text in the center
+ if (!g_pcAsset) {
+ const char* szText = "Nothing to display ... \r\nTry [Viewer | Open asset] to load an asset";
+
+ // shadow
+ RECT sCopy;
+ sCopy.left = sWndRect.left+1;
+ sCopy.top = sWndRect.top+1;
+ sCopy.bottom = sWndRect.bottom+1;
+ sCopy.right = sWndRect.right+1;
+ this->piFont->DrawText(nullptr,szText ,
+ -1,&sCopy,DT_CENTER | DT_VCENTER,D3DCOLOR_ARGB(100,0x0,0x0,0x0));
+ sCopy.left = sWndRect.left+1;
+ sCopy.top = sWndRect.top+1;
+ sCopy.bottom = sWndRect.bottom-1;
+ sCopy.right = sWndRect.right-1;
+ this->piFont->DrawText(nullptr,szText ,
+ -1,&sCopy,DT_CENTER | DT_VCENTER,D3DCOLOR_ARGB(100,0x0,0x0,0x0));
+ sCopy.left = sWndRect.left-1;
+ sCopy.top = sWndRect.top-1;
+ sCopy.bottom = sWndRect.bottom+1;
+ sCopy.right = sWndRect.right+1;
+ this->piFont->DrawText(nullptr,szText ,
+ -1,&sCopy,DT_CENTER | DT_VCENTER,D3DCOLOR_ARGB(100,0x0,0x0,0x0));
+ sCopy.left = sWndRect.left-1;
+ sCopy.top = sWndRect.top-1;
+ sCopy.bottom = sWndRect.bottom-1;
+ sCopy.right = sWndRect.right-1;
+ this->piFont->DrawText(nullptr,szText ,
+ -1,&sCopy,DT_CENTER | DT_VCENTER,D3DCOLOR_ARGB(100,0x0,0x0,0x0));
+
+ // text
+ this->piFont->DrawText(nullptr,szText ,
+ -1,&sWndRect,DT_CENTER | DT_VCENTER,D3DCOLOR_ARGB(0xFF,0xFF,0xFF,0xFF));
+ }
+
+ // update all elements in the queue and render them
+ for (std::list<SEntry>::iterator
+ i = this->asEntries.begin();
+ i != this->asEntries.end();++i,++iCnt) {
+ if ((*i).dwStartTicks < dwLimit) {
+ i = this->asEntries.erase(i);
+
+ if (i == this->asEntries.end()) {
+ break;
+ }
+ } else if (nullptr != this->piFont) {
+ float fAlpha = 1.0f;
+ if ((*i).dwStartTicks <= dwLimit2) {
+ // linearly interpolate to create the fade out effect
+ fAlpha = 1.0f - (float)(dwLimit2 - (*i).dwStartTicks) / 3000.0f;
+ }
+ D3DCOLOR& clrColor = (*i).clrColor;
+ clrColor &= ~(0xFFu << 24);
+ clrColor |= (((unsigned char)(fAlpha * 255.0f)) & 0xFFu) << 24;
+
+ const char* szText = (*i).szText.c_str();
+ if (sRect.top + 30 > sWndRect.bottom) {
+ // end of window. send a special message
+ szText = "... too many errors";
+ clrColor = D3DCOLOR_ARGB(0xFF,0xFF,100,0x0);
+ }
+
+ // draw the black shadow
+ RECT sCopy;
+ sCopy.left = sRect.left+1;
+ sCopy.top = sRect.top+1;
+ sCopy.bottom = sRect.bottom+1;
+ sCopy.right = sRect.right+1;
+ this->piFont->DrawText(nullptr,szText,
+ -1,&sCopy,DT_RIGHT | DT_TOP,D3DCOLOR_ARGB(
+ (unsigned char)(fAlpha * 100.0f),0x0,0x0,0x0));
+
+ sCopy.left = sRect.left-1;
+ sCopy.top = sRect.top-1;
+ sCopy.bottom = sRect.bottom-1;
+ sCopy.right = sRect.right-1;
+ this->piFont->DrawText(nullptr,szText,
+ -1,&sCopy,DT_RIGHT | DT_TOP,D3DCOLOR_ARGB(
+ (unsigned char)(fAlpha * 100.0f),0x0,0x0,0x0));
+
+ sCopy.left = sRect.left-1;
+ sCopy.top = sRect.top-1;
+ sCopy.bottom = sRect.bottom+1;
+ sCopy.right = sRect.right+1;
+ this->piFont->DrawText(nullptr,szText,
+ -1,&sCopy,DT_RIGHT | DT_TOP,D3DCOLOR_ARGB(
+ (unsigned char)(fAlpha * 100.0f),0x0,0x0,0x0));
+
+ sCopy.left = sRect.left+1;
+ sCopy.top = sRect.top+1;
+ sCopy.bottom = sRect.bottom-1;
+ sCopy.right = sRect.right-1;
+ this->piFont->DrawText(nullptr,szText,
+ -1,&sCopy,DT_RIGHT | DT_TOP,D3DCOLOR_ARGB(
+ (unsigned char)(fAlpha * 100.0f),0x0,0x0,0x0));
+
+ // draw the text itself
+ int iPX = this->piFont->DrawText(nullptr,szText,
+ -1,&sRect,DT_RIGHT | DT_TOP,clrColor);
+
+ sRect.top += iPX;
+ sRect.bottom += iPX;
+
+ if (szText != (*i).szText.c_str()) {
+ break;
+ }
+ }
+ }
+}
+
+}
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