switch to tinyobj and nanovg from assimp and cairo

1 files changed, 0 insertions, 2434 deletions

diff --git a/libs/assimp/tools/assimp_view/MessageProc.cpp b/libs/assimp/tools/assimp_view/MessageProc.cpp
deleted file mode 100644
index e51c829..0000000
--- a/libs/assimp/tools/assimp_view/MessageProc.cpp
+++ /dev/null
@@ -1,2434 +0,0 @@
-/*
----------------------------------------------------------------------------
-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"
-#include <assimp/Exporter.hpp>
-#include <algorithm>
-
-#include <windowsx.h>
-#include <commdlg.h>
-
-#ifdef __MINGW32__
-#   include <mmsystem.h>
-#else
-#   include <timeapi.h>
-#endif
-
-namespace AssimpView {
-
-using namespace Assimp;
-
-// Static array to keep custom color values
-COLORREF g_aclCustomColors[16] = {0};
-
-// Global registry key
-HKEY g_hRegistry = nullptr;
-
-// list of previous files (always 5)
-std::vector<std::string> g_aPreviousFiles;
-
-// history menu item
-HMENU g_hHistoryMenu = nullptr;
-
-float g_fACMR = 3.0f;
-
-#define AI_VIEW_NUM_RECENT_FILES 0x8
-#define AI_VIEW_RECENT_FILE_ID(_n_) (5678 + _n_)
-
-#define AI_VIEW_EXPORT_FMT_BASE 7912
-#define AI_VIEW_EXPORT_FMT_ID(_n_)  (AI_VIEW_EXPORT_FMT_BASE + _n_)
-
-void UpdateHistory();
-void SaveHistory();
-
-//-------------------------------------------------------------------------------
-// Setup file associations for all formats supported by the library
-//
-// File associations are registered in HKCU\Software\Classes. They might
-// be overwritten by global file associations.
-//-------------------------------------------------------------------------------
-void MakeFileAssociations() {
-    char szTemp2[MAX_PATH];
-    char szTemp[MAX_PATH + 10];
-
-    GetModuleFileName(nullptr,szTemp2,MAX_PATH);
-    sprintf(szTemp,"%s %%1",szTemp2);
-
-    HKEY hRegistry = nullptr;
-
-    aiString list, tmp;
-    aiGetExtensionList(&list);
-    tmp = list;
-
-    const char* sz = strtok(list.data,";");
-    do {
-        char buf[256];
-        ai_assert(sz[0] == '*');
-        sprintf(buf,"Software\\Classes\\%s",sz+1);
-
-        RegCreateKeyEx(HKEY_CURRENT_USER,buf,0,nullptr,0,KEY_ALL_ACCESS, nullptr, &hRegistry,nullptr);
-        RegSetValueEx(hRegistry,"",0,REG_SZ,(const BYTE*)"ASSIMPVIEW_CLASS",(DWORD)strlen("ASSIMPVIEW_CLASS")+1);
-        RegCloseKey(hRegistry);
-    } while ((sz = strtok(nullptr,";")) != nullptr);
-
-    RegCreateKeyEx(HKEY_CURRENT_USER,"Software\\Classes\\ASSIMPVIEW_CLASS",0,nullptr,0,KEY_ALL_ACCESS, nullptr, &hRegistry,nullptr);
-    RegCloseKey(hRegistry);
-
-    RegCreateKeyEx(HKEY_CURRENT_USER,"Software\\Classes\\ASSIMPVIEW_CLASS\\shell\\open\\command",0,nullptr,0,KEY_ALL_ACCESS, nullptr, &hRegistry,nullptr);
-    RegSetValueEx(hRegistry,"",0,REG_SZ,(const BYTE*)szTemp,(DWORD)strlen(szTemp)+1);
-    RegCloseKey(hRegistry);
-
-    CLogDisplay::Instance().AddEntry("[OK] File associations have been registered",
-        D3DCOLOR_ARGB(0xFF,0,0xFF,0));
-
-    CLogDisplay::Instance().AddEntry(tmp.data,D3DCOLOR_ARGB(0xFF,0,0xFF,0));
-}
-
-//-------------------------------------------------------------------------------
-// Handle command line parameters
-//
-// The function loads an asset specified on the command line as first argument
-// Other command line parameters are not handled
-//-------------------------------------------------------------------------------
-void HandleCommandLine(char* p_szCommand) {
-    char* sz = p_szCommand;
-    //bool bQuak = false;
-
-    if (strlen(sz) < 2) {
-        return;
-    }
-
-    if (*sz == '\"') {
-        char* sz2 = strrchr(sz,'\"');
-        if (sz2)*sz2 = 0;
-        sz++; // skip the starting quote
-    }
-
-    strcpy( g_szFileName, sz );
-    LoadAsset();
-
-    // update the history
-    UpdateHistory();
-
-    // Save the list of previous files to the registry
-    SaveHistory();
-}
-
-//-------------------------------------------------------------------------------
-// Load the light colors from the registry
-//-------------------------------------------------------------------------------
-void LoadLightColors() {
-    DWORD dwTemp = 4;
-    RegQueryValueEx(g_hRegistry,"LightColor0",nullptr,nullptr, (BYTE*)&g_avLightColors[0],&dwTemp);
-    RegQueryValueEx(g_hRegistry,"LightColor1",nullptr,nullptr, (BYTE*)&g_avLightColors[1],&dwTemp);
-    RegQueryValueEx(g_hRegistry,"LightColor2",nullptr,nullptr, (BYTE*)&g_avLightColors[2],&dwTemp);
-}
-
-//-------------------------------------------------------------------------------
-// Save the light colors to the registry
-//-------------------------------------------------------------------------------
-void SaveLightColors() {
-    RegSetValueExA(g_hRegistry,"LightColor0",0,REG_DWORD,(const BYTE*)&g_avLightColors[0],4);
-    RegSetValueExA(g_hRegistry,"LightColor1",0,REG_DWORD,(const BYTE*)&g_avLightColors[1],4);
-    RegSetValueExA(g_hRegistry,"LightColor2",0,REG_DWORD,(const BYTE*)&g_avLightColors[2],4);
-}
-
-//-------------------------------------------------------------------------------
-// Save the checker pattern colors to the registry
-//-------------------------------------------------------------------------------
-void SaveCheckerPatternColors() {
-    // we have it as float4. save it as binary value --.
-    RegSetValueExA(g_hRegistry,"CheckerPattern0",0,REG_BINARY,
-        (const BYTE*)CDisplay::Instance().GetFirstCheckerColor(),
-        sizeof(D3DXVECTOR3));
-
-    RegSetValueExA(g_hRegistry,"CheckerPattern1",0,REG_BINARY,
-        (const BYTE*)CDisplay::Instance().GetSecondCheckerColor(),
-        sizeof(D3DXVECTOR3));
-}
-
-//-------------------------------------------------------------------------------
-// Load the checker pattern colors from the registry
-//-------------------------------------------------------------------------------
-void LoadCheckerPatternColors() {
-    DWORD dwTemp = sizeof(D3DXVECTOR3);
-    RegQueryValueEx(g_hRegistry,"CheckerPattern0",nullptr,nullptr,
-        (BYTE*) /* jep, this is evil */ CDisplay::Instance().GetFirstCheckerColor(),&dwTemp);
-
-    RegQueryValueEx(g_hRegistry,"CheckerPattern1",nullptr,nullptr,
-        (BYTE*) /* jep, this is evil */ CDisplay::Instance().GetSecondCheckerColor(),&dwTemp);
-}
-
-//-------------------------------------------------------------------------------
-// Changed pp setup
-//-------------------------------------------------------------------------------
-void UpdatePPSettings() {
-    DWORD dwValue = ppsteps;
-    RegSetValueExA(g_hRegistry,"PostProcessing",0,REG_DWORD,(const BYTE*)&dwValue,4);
-    UpdateWindow(g_hDlg);
-}
-
-//-------------------------------------------------------------------------------
-// Toggle the "Display Normals" state
-//-------------------------------------------------------------------------------
-void ToggleNormals() {
-    g_sOptions.bRenderNormals = !g_sOptions.bRenderNormals;
-
-    // store this in the registry, too
-    DWORD dwValue = 0;
-    if (g_sOptions.bRenderNormals)dwValue = 1;
-    RegSetValueExA(g_hRegistry,"RenderNormals",0,REG_DWORD,(const BYTE*)&dwValue,4);
-}
-
-static void storeRegKey(bool option, LPCSTR name) {
-    // store this in the registry, too
-    DWORD dwValue = 0;
-    if (option) {
-        dwValue = 1;
-    }
-    RegSetValueExA(g_hRegistry, name, 0, REG_DWORD, (const BYTE*)&dwValue, 4);
-
-}
-//-------------------------------------------------------------------------------
-// Toggle the "AutoRotate" state
-//-------------------------------------------------------------------------------
-void ToggleAutoRotate() {
-    g_sOptions.bRotate = !g_sOptions.bRotate;
-    storeRegKey(g_sOptions.bRotate, "AutoRotate");
-    UpdateWindow(g_hDlg);
-}
-
-//-------------------------------------------------------------------------------
-// Toggle the "FPS" state
-//-------------------------------------------------------------------------------
-void ToggleFPSView() {
-    g_bFPSView = !g_bFPSView;
-    SetupFPSView();
-    storeRegKey(g_bFPSView, "FPSView");
-}
-
-//-------------------------------------------------------------------------------
-// Toggle the "2 Light sources" state
-//-------------------------------------------------------------------------------
-void ToggleMultipleLights() {
-    g_sOptions.b3Lights = !g_sOptions.b3Lights;
-    storeRegKey(g_sOptions.b3Lights, "MultipleLights");
-}
-
-//-------------------------------------------------------------------------------
-// Toggle the "LightRotate" state
-//-------------------------------------------------------------------------------
-void ToggleLightRotate() {
-    g_sOptions.bLightRotate = !g_sOptions.bLightRotate;
-    storeRegKey(g_sOptions.bLightRotate, "LightRotate");
-}
-
-//-------------------------------------------------------------------------------
-// Toggle the "NoTransparency" state
-//-------------------------------------------------------------------------------
-void ToggleTransparency() {
-    g_sOptions.bNoAlphaBlending = !g_sOptions.bNoAlphaBlending;
-    storeRegKey(g_sOptions.bNoAlphaBlending, "NoTransparency");
-}
-
-//-------------------------------------------------------------------------------
-// Toggle the "LowQuality" state
-//-------------------------------------------------------------------------------
-void ToggleLowQuality() {
-    g_sOptions.bLowQuality = !g_sOptions.bLowQuality;
-    storeRegKey(g_sOptions.bLowQuality, "LowQuality");
-}
-
-//-------------------------------------------------------------------------------
-// Toggle the "Specular" state
-//-------------------------------------------------------------------------------
-void ToggleSpecular() {
-    g_sOptions.bNoSpecular = !g_sOptions.bNoSpecular;
-
-    storeRegKey(g_sOptions.bNoSpecular, "NoSpecular");
-
-    // update all specular materials
-    CMaterialManager::Instance().UpdateSpecularMaterials();
-}
-
-//-------------------------------------------------------------------------------
-// Toggle the "RenderMats" state
-//-------------------------------------------------------------------------------
-void ToggleMats() {
-    g_sOptions.bRenderMats = !g_sOptions.bRenderMats;
-
-    storeRegKey(g_sOptions.bRenderMats, "RenderMats");
-
-    // update all specular materials
-    CMaterialManager::Instance().UpdateSpecularMaterials();
-}
-
-//-------------------------------------------------------------------------------
-// Toggle the "Culling" state
-//-------------------------------------------------------------------------------
-void ToggleCulling() {
-    g_sOptions.bCulling = !g_sOptions.bCulling;
-    storeRegKey(g_sOptions.bCulling, "Culling");
-}
-
-//-------------------------------------------------------------------------------
-// Toggle the "Skeleton" state
-//-------------------------------------------------------------------------------
-void ToggleSkeleton() {
-    g_sOptions.bSkeleton = !g_sOptions.bSkeleton;
-    storeRegKey(g_sOptions.bSkeleton, "Skeleton");
-}
-
-//-------------------------------------------------------------------------------
-// Toggle the "WireFrame" state
-//-------------------------------------------------------------------------------
-void ToggleWireFrame() {
-    if (g_sOptions.eDrawMode == RenderOptions::WIREFRAME) {
-        g_sOptions.eDrawMode = RenderOptions::NORMAL;
-    } else {
-        g_sOptions.eDrawMode = RenderOptions::WIREFRAME;
-    }
-
-    storeRegKey(RenderOptions::WIREFRAME == g_sOptions.eDrawMode, "Wireframe");
-}
-
-//-------------------------------------------------------------------------------
-// Toggle the "MultiSample" state
-//-------------------------------------------------------------------------------
-void ToggleMS() {
-    g_sOptions.bMultiSample = !g_sOptions.bMultiSample;
-    DeleteAssetData();
-    ShutdownDevice();
-    if (0 == CreateDevice()) {
-        CLogDisplay::Instance().AddEntry(
-            "[ERROR] Failed to toggle MultiSampling mode");
-        g_sOptions.bMultiSample = !g_sOptions.bMultiSample;
-        CreateDevice();
-    }
-    CreateAssetData();
-
-    if (g_sOptions.bMultiSample) {
-        CLogDisplay::Instance().AddEntry(
-            "[OK] Changed MultiSampling mode to the maximum value for this device");
-    } else {
-        CLogDisplay::Instance().AddEntry(
-            "[OK] MultiSampling has been disabled");
-    }
-
-    storeRegKey(g_sOptions.bMultiSample, "MultiSampling");
-}
-
-//-------------------------------------------------------------------------------
-// Expand or collapse the UI
-//-------------------------------------------------------------------------------
-void ToggleUIState() {
-    // adjust the size
-    RECT sRect;
-    GetWindowRect(g_hDlg,&sRect);
-    sRect.right -= sRect.left;
-    sRect.bottom -= sRect.top;
-
-    RECT sRect2;
-    GetWindowRect(GetDlgItem ( g_hDlg, IDC_BLUBB ),&sRect2);
-    sRect2.left -= sRect.left;
-    sRect2.top -= sRect.top;
-
-    if (BST_UNCHECKED == IsDlgButtonChecked(g_hDlg,IDC_BLUBB)) {
-        SetWindowPos(g_hDlg,nullptr,0,0,sRect.right-214,sRect.bottom,
-            SWP_NOMOVE | SWP_NOZORDER);
-
-        SetWindowText(GetDlgItem(g_hDlg,IDC_BLUBB),">>");
-        storeRegKey(false, "MultiSampling");
-    } else {
-        SetWindowPos(g_hDlg,nullptr,0,0,sRect.right+214,sRect.bottom,
-            SWP_NOMOVE | SWP_NOZORDER);
-
-        storeRegKey(true, "LastUIState");
-        SetWindowText(GetDlgItem(g_hDlg,IDC_BLUBB),"<<");
-    }
-    UpdateWindow(g_hDlg);
-}
-
-//-------------------------------------------------------------------------------
-// Load the background texture for the viewer
-//-------------------------------------------------------------------------------
-void LoadBGTexture() {
-    char szFileName[MAX_PATH];
-
-    DWORD dwTemp = MAX_PATH;
-    if(ERROR_SUCCESS != RegQueryValueEx(g_hRegistry,"TextureSrc",nullptr,nullptr, (BYTE*)szFileName,&dwTemp)) {
-        // Key was not found. Use C:
-        strcpy(szFileName,"");
-    } else {
-        // need to remove the file name
-        char* sz = strrchr(szFileName,'\\');
-        if (!sz)
-            sz = strrchr(szFileName,'/');
-        if (sz)
-            *sz = 0;
-    }
-    OPENFILENAME sFilename1 = {
-        sizeof(OPENFILENAME),
-        g_hDlg,GetModuleHandle(nullptr),
-        "Textures\0*.png;*.dds;*.tga;*.bmp;*.tif;*.ppm;*.ppx;*.jpg;*.jpeg;*.exr\0*.*\0",
-        nullptr, 0, 1,
-        szFileName, MAX_PATH, nullptr, 0, nullptr,
-        "Open texture as background",
-        OFN_OVERWRITEPROMPT | OFN_HIDEREADONLY | OFN_NOCHANGEDIR,
-        0, 1, ".jpg", 0, nullptr, nullptr
-    };
-    if(GetOpenFileName(&sFilename1) == 0) return;
-
-    // Now store the file in the registry
-    RegSetValueExA(g_hRegistry,"TextureSrc",0,REG_SZ,(const BYTE*)szFileName,MAX_PATH);
-    RegSetValueExA(g_hRegistry,"LastTextureSrc",0,REG_SZ,(const BYTE*)szFileName,MAX_PATH);
-    RegSetValueExA(g_hRegistry,"LastSkyBoxSrc",0,REG_SZ,(const BYTE*)"",MAX_PATH);
-
-    CBackgroundPainter::Instance().SetTextureBG(szFileName);
-}
-
-//-------------------------------------------------------------------------------
-// Reset the background color to a smart and nice grey
-//-------------------------------------------------------------------------------
-void ClearBG() {
-    D3DCOLOR clrColor = D3DCOLOR_ARGB(0xFF,100,100,100);
-    CBackgroundPainter::Instance().SetColor(clrColor);
-
-    RegSetValueExA(g_hRegistry,"LastSkyBoxSrc",0,REG_SZ,(const BYTE*)"",MAX_PATH);
-    RegSetValueExA(g_hRegistry,"LastTextureSrc",0,REG_SZ,(const BYTE*)"",MAX_PATH);
-
-    RegSetValueExA(g_hRegistry,"Color",0,REG_DWORD,(const BYTE*)&clrColor,4);
-}
-
-//-------------------------------------------------------------------------------
-// Let the user choose a color in a windows standard color dialog
-//-------------------------------------------------------------------------------
-void DisplayColorDialog(D3DCOLOR* pclrResult) {
-    CHOOSECOLOR clr;
-    clr.lStructSize = sizeof(CHOOSECOLOR);
-    clr.hwndOwner = g_hDlg;
-    clr.Flags = CC_RGBINIT | CC_FULLOPEN;
-    clr.rgbResult = RGB((*pclrResult >> 16) & 0xff,(*pclrResult >> 8) & 0xff,*pclrResult & 0xff);
-    clr.lpCustColors = g_aclCustomColors;
-    clr.lpfnHook = nullptr;
-    clr.lpTemplateName = nullptr;
-    clr.lCustData = 0;
-
-    ChooseColor(&clr);
-
-    *pclrResult = D3DCOLOR_ARGB(0xFF,
-        GetRValue(clr.rgbResult),
-        GetGValue(clr.rgbResult),
-        GetBValue(clr.rgbResult));
-}
-
-//-------------------------------------------------------------------------------
-// Let the user choose a color in a windows standard color dialog
-//-------------------------------------------------------------------------------
-void DisplayColorDialog(D3DXVECTOR4* pclrResult) {
-    CHOOSECOLOR clr;
-    clr.lStructSize = sizeof(CHOOSECOLOR);
-    clr.hwndOwner = g_hDlg;
-    clr.Flags = CC_RGBINIT | CC_FULLOPEN;
-    clr.rgbResult = RGB(clamp<unsigned char>(pclrResult->x * 255.0f),
-        clamp<unsigned char>(pclrResult->y * 255.0f),
-        clamp<unsigned char>(pclrResult->z * 255.0f));
-    clr.lpCustColors = g_aclCustomColors;
-    clr.lpfnHook = nullptr;
-    clr.lpTemplateName = nullptr;
-    clr.lCustData = 0;
-
-    ChooseColor(&clr);
-
-    pclrResult->x = GetRValue(clr.rgbResult) / 255.0f;
-    pclrResult->y = GetGValue(clr.rgbResult) / 255.0f;
-    pclrResult->z = GetBValue(clr.rgbResult) / 255.0f;
-}
-
-//-------------------------------------------------------------------------------
-// Let the user choose the background color for the viewer
-//-------------------------------------------------------------------------------
-void ChooseBGColor() {
-    RegSetValueExA(g_hRegistry,"LastSkyBoxSrc",0,REG_SZ,(const BYTE*)"",MAX_PATH);
-    RegSetValueExA(g_hRegistry,"LastTextureSrc",0,REG_SZ,(const BYTE*)"",MAX_PATH);
-
-    D3DCOLOR clrColor;
-    DisplayColorDialog(&clrColor);
-    CBackgroundPainter::Instance().SetColor(clrColor);
-
-    RegSetValueExA(g_hRegistry,"Color",0,REG_DWORD,(const BYTE*)&clrColor,4);
-}
-
-//-------------------------------------------------------------------------------
-// Display the OpenFile dialog and let the user choose a new slybox as bg
-//-------------------------------------------------------------------------------
-void LoadSkybox() {
-    char szFileName[MAX_PATH];
-
-    DWORD dwTemp = MAX_PATH;
-    if(ERROR_SUCCESS != RegQueryValueEx(g_hRegistry,"SkyBoxSrc",nullptr,nullptr,
-        (BYTE*)szFileName,&dwTemp))
-    {
-        // Key was not found. Use C:
-        strcpy(szFileName,"");
-    }
-    else
-    {
-        // need to remove the file name
-        char* sz = strrchr(szFileName,'\\');
-        if (!sz)
-            sz = strrchr(szFileName,'/');
-        if (sz)
-            *sz = 0;
-    }
-    OPENFILENAME sFilename1 = {
-        sizeof(OPENFILENAME),
-        g_hDlg,GetModuleHandle(nullptr),
-        "Skyboxes\0*.dds\0*.*\0", nullptr, 0, 1,
-        szFileName, MAX_PATH, nullptr, 0, nullptr,
-        "Open skybox as background",
-        OFN_OVERWRITEPROMPT | OFN_HIDEREADONLY | OFN_NOCHANGEDIR,
-        0, 1, ".dds", 0, nullptr, nullptr
-    };
-    if(GetOpenFileName(&sFilename1) == 0) return;
-
-    // Now store the file in the registry
-    RegSetValueExA(g_hRegistry,"SkyBoxSrc",0,REG_SZ,(const BYTE*)szFileName,MAX_PATH);
-    RegSetValueExA(g_hRegistry,"LastSkyBoxSrc",0,REG_SZ,(const BYTE*)szFileName,MAX_PATH);
-    RegSetValueExA(g_hRegistry,"LastTextureSrc",0,REG_SZ,(const BYTE*)"",MAX_PATH);
-
-    CBackgroundPainter::Instance().SetCubeMapBG(szFileName);
-    return;
-}
-
-template<class T>
-inline
-void SaveRelease(T **iface ) {
-    if (nullptr != iface) {
-        (*iface)->Release();
-        *iface = nullptr;
-    }
-}
-
-//-------------------------------------------------------------------------------
-// Save a screenshot to an user-defined file
-//-------------------------------------------------------------------------------
-void SaveScreenshot() {
-    char szFileName[MAX_PATH];
-
-    DWORD dwTemp = MAX_PATH;
-    if(ERROR_SUCCESS != RegQueryValueEx(g_hRegistry,"ScreenShot",nullptr,nullptr, (BYTE*)szFileName,&dwTemp)) {
-        // Key was not found. Use C:
-        strcpy(szFileName,"");
-    } else {
-        // need to remove the file name
-        char* sz = strrchr(szFileName,'\\');
-        if (!sz)
-            sz = strrchr(szFileName,'/');
-        if (sz)
-            *sz = 0;
-    }
-    OPENFILENAME sFilename1 = {
-        sizeof(OPENFILENAME),
-        g_hDlg,GetModuleHandle(nullptr),
-        "PNG Images\0*.png", nullptr, 0, 1,
-        szFileName, MAX_PATH, nullptr, 0, nullptr,
-        "Save Screenshot to file",
-        OFN_OVERWRITEPROMPT | OFN_HIDEREADONLY | OFN_NOCHANGEDIR,
-        0, 1, ".png", 0, nullptr, nullptr
-    };
-    if(GetSaveFileName(&sFilename1) == 0) return;
-
-    // Now store the file in the registry
-    RegSetValueExA(g_hRegistry,"ScreenShot",0,REG_SZ,(const BYTE*)szFileName,MAX_PATH);
-
-    IDirect3DSurface9* pi = nullptr;
-    g_piDevice->GetRenderTarget(0,&pi);
-    if(!pi || FAILED(D3DXSaveSurfaceToFile(szFileName,D3DXIFF_PNG,pi,nullptr,nullptr))) {
-        CLogDisplay::Instance().AddEntry("[ERROR] Unable to save screenshot",
-            D3DCOLOR_ARGB(0xFF,0xFF,0,0));
-    } else {
-        CLogDisplay::Instance().AddEntry("[INFO] The screenshot has been saved",
-            D3DCOLOR_ARGB(0xFF,0xFF,0xFF,0));
-    }
-    SaveRelease(&pi);
-}
-
-//-------------------------------------------------------------------------------
-// Get the amount of memory required for textures
-//-------------------------------------------------------------------------------
-void AddTextureMem(IDirect3DTexture9* pcTex, unsigned int& out) {
-    if (!pcTex) {
-        return;
-    }
-
-    D3DSURFACE_DESC sDesc;
-    pcTex->GetLevelDesc(0,&sDesc);
-
-    out += (sDesc.Width * sDesc.Height) << 2;
-}
-
-//-------------------------------------------------------------------------------
-// Display memory statistics
-//-------------------------------------------------------------------------------
-void DisplayMemoryConsumption() {
-    // first get the memory consumption for the aiScene
-    if (! g_pcAsset ||!g_pcAsset->pcScene) {
-        MessageBox(g_hDlg,"No asset is loaded. Can you guess how much memory I need to store nothing?",
-            "Memory consumption",MB_OK);
-        return;
-    }
-    unsigned int iScene = sizeof(aiScene);
-    for (unsigned int i = 0; i < g_pcAsset->pcScene->mNumMeshes;++i) {
-        iScene += sizeof(aiMesh);
-        if (g_pcAsset->pcScene->mMeshes[i]->HasPositions())
-            iScene += sizeof(aiVector3D) * g_pcAsset->pcScene->mMeshes[i]->mNumVertices;
-
-        if (g_pcAsset->pcScene->mMeshes[i]->HasNormals())
-            iScene += sizeof(aiVector3D) * g_pcAsset->pcScene->mMeshes[i]->mNumVertices;
-
-        if (g_pcAsset->pcScene->mMeshes[i]->HasTangentsAndBitangents())
-            iScene += sizeof(aiVector3D) * g_pcAsset->pcScene->mMeshes[i]->mNumVertices * 2;
-
-        for (unsigned int a = 0; a < AI_MAX_NUMBER_OF_COLOR_SETS;++a) {
-            if (g_pcAsset->pcScene->mMeshes[i]->HasVertexColors(a)) {
-                iScene += sizeof(aiColor4D) * g_pcAsset->pcScene->mMeshes[i]->mNumVertices;
-            } else {
-                break;
-            }
-        }
-        for (unsigned int a = 0; a < AI_MAX_NUMBER_OF_TEXTURECOORDS;++a) {
-            if (g_pcAsset->pcScene->mMeshes[i]->HasTextureCoords(a))
-                iScene += sizeof(aiVector3D) * g_pcAsset->pcScene->mMeshes[i]->mNumVertices;
-            else break;
-        }
-        if (g_pcAsset->pcScene->mMeshes[i]->HasBones()) {
-            for (unsigned int p = 0; p < g_pcAsset->pcScene->mMeshes[i]->mNumBones;++p) {
-                iScene += sizeof(aiBone);
-                iScene += g_pcAsset->pcScene->mMeshes[i]->mBones[p]->mNumWeights * sizeof(aiVertexWeight);
-            }
-        }
-        iScene += (sizeof(aiFace) + 3 * sizeof(unsigned int))*g_pcAsset->pcScene->mMeshes[i]->mNumFaces;
-    }
-    // add all embedded textures
-    for (unsigned int i = 0; i < g_pcAsset->pcScene->mNumTextures;++i) {
-        const aiTexture* pc = g_pcAsset->pcScene->mTextures[i];
-        if (0 != pc->mHeight) {
-            iScene += 4 * pc->mHeight * pc->mWidth;
-        } else {
-            iScene += pc->mWidth;
-        }
-    }
-    // add 30k for each material ... a string has 4k for example
-    iScene += g_pcAsset->pcScene->mNumMaterials * 30 * 1024;
-
-    // now get the memory consumption required by D3D, first all textures
-    unsigned int iTexture = 0;
-    for (unsigned int i = 0; i < g_pcAsset->pcScene->mNumMeshes;++i) {
-        AssetHelper::MeshHelper* pc = g_pcAsset->apcMeshes[i];
-
-        AddTextureMem(pc->piDiffuseTexture,iTexture);
-        AddTextureMem(pc->piSpecularTexture,iTexture);
-        AddTextureMem(pc->piAmbientTexture,iTexture);
-        AddTextureMem(pc->piEmissiveTexture,iTexture);
-        AddTextureMem(pc->piOpacityTexture,iTexture);
-        AddTextureMem(pc->piNormalTexture,iTexture);
-        AddTextureMem(pc->piShininessTexture,iTexture);
-    }
-    unsigned int iVRAM = iTexture;
-
-    // now get the memory consumption of all vertex/index buffers
-    unsigned int iVB( 0 ), iIB(0);
-    for (unsigned int i = 0; i < g_pcAsset->pcScene->mNumMeshes;++i) {
-        AssetHelper:: MeshHelper* pc = g_pcAsset->apcMeshes[i];
-
-        union{
-            D3DVERTEXBUFFER_DESC sDesc;
-            D3DINDEXBUFFER_DESC sDesc2;
-        };
-
-        if (pc->piVB)
-        {
-            pc->piVB->GetDesc(&sDesc);
-            iVB += sDesc.Size;
-        }
-        if (pc->piVBNormals)
-        {
-            pc->piVBNormals->GetDesc(&sDesc);
-            iVB += sDesc.Size;
-        }
-        if (pc->piIB)
-        {
-            pc->piIB->GetDesc(&sDesc2);
-            iIB += sDesc2.Size;
-        }
-    }
-    iVRAM += iVB + iIB;
-    // add the memory for the back buffer and depth stencil buffer
-    RECT sRect;
-    GetWindowRect(GetDlgItem(g_hDlg,IDC_RT),&sRect);
-    sRect.bottom -= sRect.top;
-    sRect.right -= sRect.left;
-    iVRAM += sRect.bottom * sRect.right * 8;
-
-    char szOut[2048];
-    sprintf(szOut,
-        "(1 KiB = 1024 bytes)\n\n"
-        "ASSIMP Import Data: \t%i KiB\n"
-        "Texture data:\t\t%i KiB\n"
-        "Vertex buffers:\t\t%i KiB\n"
-        "Index buffers:\t\t%i KiB\n"
-        "Video Memory:\t\t%i KiB\n\n"
-        "Total: \t\t\t%i KiB",
-        iScene / 1024,iTexture / 1024,iVB / 1024,iIB / 1024,iVRAM / 1024,
-        (iScene + iTexture + iVB + iIB + iVRAM) / 1024);
-    MessageBox(g_hDlg,szOut,"Memory consumption",MB_OK);
-}
-
-//-------------------------------------------------------------------------------
-// Save the list of recent files to the registry
-//-------------------------------------------------------------------------------
-void SaveHistory() {
-    for (unsigned int i = 0; i < AI_VIEW_NUM_RECENT_FILES;++i) {
-        char szName[66];
-        sprintf(szName,"Recent%i",i+1);
-
-        RegSetValueEx(g_hRegistry,szName,0,REG_SZ,
-            (const BYTE*)g_aPreviousFiles[i].c_str(),(DWORD)g_aPreviousFiles[i].length());
-    }
-}
-
-//-------------------------------------------------------------------------------
-// Recover the file history
-//-------------------------------------------------------------------------------
-void LoadHistory() {
-    g_aPreviousFiles.resize(AI_VIEW_NUM_RECENT_FILES);
-
-    char szFileName[MAX_PATH];
-
-    for (unsigned int i = 0; i < AI_VIEW_NUM_RECENT_FILES;++i) {
-        char szName[66];
-        sprintf(szName,"Recent%i",i+1);
-
-        DWORD dwTemp = MAX_PATH;
-
-        szFileName[0] ='\0';
-        if(ERROR_SUCCESS == RegQueryValueEx(g_hRegistry,szName,nullptr,nullptr,
-                (BYTE*)szFileName,&dwTemp)) {
-            g_aPreviousFiles[i] = std::string(szFileName);
-        }
-    }
-
-    // add sub items for all recent files
-    g_hHistoryMenu = CreateMenu();
-    for (int i = AI_VIEW_NUM_RECENT_FILES-1; i >= 0;--i) {
-        const char* szText = g_aPreviousFiles[i].c_str();
-        UINT iFlags = 0;
-        if ('\0' == *szText) {
-            szText = "<empty>";
-            iFlags = MF_GRAYED | MF_DISABLED;
-        }
-        AppendMenu(g_hHistoryMenu,MF_STRING | iFlags,AI_VIEW_RECENT_FILE_ID(i),szText);
-    }
-
-    ModifyMenu(GetMenu(g_hDlg),ID_VIEWER_RECENTFILES,MF_BYCOMMAND | MF_POPUP,
-        (UINT_PTR)g_hHistoryMenu,"Recent files");
-}
-
-//-------------------------------------------------------------------------------
-// Clear the file history
-//-------------------------------------------------------------------------------
-void ClearHistory() {
-    for (unsigned int i = 0; i < AI_VIEW_NUM_RECENT_FILES; ++i) {
-        g_aPreviousFiles[i] = std::string("");
-    }
-
-    for (int i = AI_VIEW_NUM_RECENT_FILES-1; i >= 0;--i) {
-        ModifyMenu(g_hHistoryMenu,AI_VIEW_RECENT_FILE_ID(i),
-            MF_STRING | MF_BYCOMMAND | MF_GRAYED | MF_DISABLED,AI_VIEW_RECENT_FILE_ID(i),"<empty>");
-    }
-
-    SaveHistory();
-}
-
-//-------------------------------------------------------------------------------
-// Update the file history
-//-------------------------------------------------------------------------------
-void UpdateHistory() {
-    if (!g_hHistoryMenu) {
-        return;
-    }
-
-    std::string sz = std::string(g_szFileName);
-    if (g_aPreviousFiles[AI_VIEW_NUM_RECENT_FILES - 1] == sz) {
-        return;
-    }
-
-    // add the new asset to the list of recent files
-    for (unsigned int i = 0; i < AI_VIEW_NUM_RECENT_FILES-1;++i) {
-        g_aPreviousFiles[i] = g_aPreviousFiles[i+1];
-    }
-    g_aPreviousFiles[AI_VIEW_NUM_RECENT_FILES-1] = sz;
-    for (int i = AI_VIEW_NUM_RECENT_FILES-1; i >= 0;--i) {
-        const char* szText = g_aPreviousFiles[i].c_str();
-        UINT iFlags = 0;
-        if ('\0' == *szText) {
-            szText = "<empty>";
-            iFlags = MF_GRAYED | MF_DISABLED;
-        }
-        ModifyMenu(g_hHistoryMenu,AI_VIEW_RECENT_FILE_ID(i),
-            MF_STRING | MF_BYCOMMAND | iFlags,AI_VIEW_RECENT_FILE_ID(i),szText);
-    }
-}
-
-//-------------------------------------------------------------------------------
-// Open a new asset
-//-------------------------------------------------------------------------------
-void OpenAsset() {
-    char szFileName[MAX_PATH];
-
-    DWORD dwTemp = MAX_PATH;
-    if(ERROR_SUCCESS != RegQueryValueEx(g_hRegistry,"CurrentApp",nullptr,nullptr, (BYTE*)szFileName,&dwTemp)) {
-        // Key was not found. Use C:
-        strcpy(szFileName,"");
-    } else {
-        // need to remove the file name
-        char* sz = strrchr(szFileName,'\\');
-        if (!sz)
-            sz = strrchr(szFileName,'/');
-        if (sz)
-            *sz = 0;
-    }
-
-    // get a list of all file extensions supported by ASSIMP
-    aiString sz;
-    aiGetExtensionList(&sz);
-
-    char szList[MAXLEN + 100];
-    strcpy(szList,"ASSIMP assets");
-    char* szCur = szList + 14;
-    strcpy(szCur,sz.data);
-    szCur += sz.length+1;
-    strcpy(szCur,"All files");
-    szCur += 10;
-    strcpy(szCur,"*.*");
-    szCur[4] = 0;
-
-    OPENFILENAME sFilename1;
-    ZeroMemory(&sFilename1, sizeof(sFilename1));
-    sFilename1.lStructSize = sizeof(sFilename1);
-    sFilename1.hwndOwner = g_hDlg;
-    sFilename1.hInstance = GetModuleHandle(nullptr);
-    sFilename1.lpstrFile = szFileName;
-    sFilename1.lpstrFile[0] = '\0';
-    sFilename1.nMaxFile = sizeof(szList);
-    sFilename1.lpstrFilter = szList;
-    sFilename1.nFilterIndex = 1;
-    sFilename1.lpstrFileTitle = nullptr;
-    sFilename1.nMaxFileTitle = 0;
-    sFilename1.lpstrInitialDir = nullptr;
-    sFilename1.Flags = OFN_OVERWRITEPROMPT | OFN_HIDEREADONLY | OFN_NOCHANGEDIR;
-    if (GetOpenFileName(&sFilename1) == 0) {
-        return;
-    }
-
-    // Now store the file in the registry
-    RegSetValueExA(g_hRegistry,"CurrentApp",0,REG_SZ,(const BYTE*)szFileName,MAX_PATH);
-
-    if (0 != strcmp(g_szFileName,szFileName)) {
-        strcpy(g_szFileName, szFileName);
-        DeleteAssetData();
-        DeleteAsset();
-        LoadAsset();
-
-        // update the history
-        UpdateHistory();
-
-        // Save the list of previous files to the registry
-        SaveHistory();
-    }
-}
-
-//-------------------------------------------------------------------------------
-void SetupPPUIState() {
-    // that's ugly. anyone willing to rewrite me from scratch?
-    HMENU hMenu = GetMenu(g_hDlg);
-    CheckMenuItem(hMenu,ID_VIEWER_PP_JIV,ppsteps & aiProcess_JoinIdenticalVertices ? MF_CHECKED : MF_UNCHECKED);
-    CheckMenuItem(hMenu,ID_VIEWER_PP_CTS,ppsteps & aiProcess_CalcTangentSpace ? MF_CHECKED : MF_UNCHECKED);
-    CheckMenuItem(hMenu,ID_VIEWER_PP_FD,ppsteps & aiProcess_FindDegenerates ? MF_CHECKED : MF_UNCHECKED);
-    CheckMenuItem(hMenu,ID_VIEWER_PP_FID,ppsteps & aiProcess_FindInvalidData ? MF_CHECKED : MF_UNCHECKED);
-    CheckMenuItem(hMenu,ID_VIEWER_PP_FIM,ppsteps & aiProcess_FindInstances ? MF_CHECKED : MF_UNCHECKED);
-    CheckMenuItem(hMenu,ID_VIEWER_PP_FIN,ppsteps & aiProcess_FixInfacingNormals ? MF_CHECKED : MF_UNCHECKED);
-    CheckMenuItem(hMenu,ID_VIEWER_PP_GUV,ppsteps & aiProcess_GenUVCoords ? MF_CHECKED : MF_UNCHECKED);
-    CheckMenuItem(hMenu,ID_VIEWER_PP_ICL,ppsteps & aiProcess_ImproveCacheLocality ? MF_CHECKED : MF_UNCHECKED);
-    CheckMenuItem(hMenu,ID_VIEWER_PP_OG,ppsteps & aiProcess_OptimizeGraph ? MF_CHECKED : MF_UNCHECKED);
-    CheckMenuItem(hMenu,ID_VIEWER_PP_OM,ppsteps & aiProcess_OptimizeMeshes ? MF_CHECKED : MF_UNCHECKED);
-    CheckMenuItem(hMenu,ID_VIEWER_PP_PTV,ppsteps & aiProcess_PreTransformVertices ? MF_CHECKED : MF_UNCHECKED);
-    CheckMenuItem(hMenu,ID_VIEWER_PP_RRM2,ppsteps & aiProcess_RemoveRedundantMaterials ? MF_CHECKED : MF_UNCHECKED);
-    CheckMenuItem(hMenu,ID_VIEWER_PP_TUV,ppsteps & aiProcess_TransformUVCoords ? MF_CHECKED : MF_UNCHECKED);
-    CheckMenuItem(hMenu,ID_VIEWER_PP_VDS,ppsteps & aiProcess_ValidateDataStructure ? MF_CHECKED : MF_UNCHECKED);
-    CheckMenuItem(hMenu,ID_VIEWER_PP_DB,ppsteps & aiProcess_Debone ? MF_CHECKED : MF_UNCHECKED);
-}
-
-#ifndef ASSIMP_BUILD_NO_EXPORT
-//-------------------------------------------------------------------------------
-// Fill the 'export' top level menu with a list of all supported export formats
-//-------------------------------------------------------------------------------
-void PopulateExportMenu() {
-    // add sub items for all recent files
-    Exporter exp;
-    HMENU hm = ::CreateMenu();
-    for(size_t i = 0; i < exp.GetExportFormatCount(); ++i) {
-        const aiExportFormatDesc* const e = exp.GetExportFormatDescription(i);
-        char tmp[256];
-        sprintf(tmp,"%s (%s)",e->description,e->id);
-
-        AppendMenu(hm,MF_STRING,AI_VIEW_EXPORT_FMT_ID(i),tmp);
-    }
-
-    ModifyMenu(GetMenu(g_hDlg),ID_EXPORT,MF_BYCOMMAND | MF_POPUP,
-        (UINT_PTR)hm,"Export");
-}
-
-//-------------------------------------------------------------------------------
-// Export function
-//-------------------------------------------------------------------------------
-void DoExport(size_t formatId) {
-    if (!g_szFileName[0]) {
-        MessageBox(g_hDlg, "No model loaded", "Export", MB_ICONERROR);
-        return;
-    }
-    Exporter exp;
-    const aiExportFormatDesc* const e = exp.GetExportFormatDescription(formatId);
-    ai_assert(e);
-
-    char szFileName[MAX_PATH*2];
-    DWORD dwTemp = sizeof(szFileName);
-    if(ERROR_SUCCESS == RegQueryValueEx(g_hRegistry,"ModelExportDest",nullptr,nullptr,(BYTE*)szFileName, &dwTemp)) {
-        ai_assert(strlen(szFileName) <= MAX_PATH);
-
-        // invent a nice default file name
-        char* sz = std::max(strrchr(szFileName,'\\'),strrchr(szFileName,'/'));
-        if (sz) {
-            strncpy(sz,std::max(strrchr(g_szFileName,'\\'),strrchr(g_szFileName,'/')),MAX_PATH);
-        }
-    }
-    else {
-        // Key was not found. Use the folder where the asset comes from
-        strncpy(szFileName,g_szFileName,MAX_PATH);
-    }
-
-    // fix file extension
-    {   char * const sz = strrchr(szFileName,'.');
-        if(sz) {
-            ai_assert((sz - &szFileName[0]) + strlen(e->fileExtension) + 1 <= MAX_PATH);
-            strcpy(sz+1,e->fileExtension);
-        }
-    }
-
-    // build the stupid info string for GetSaveFileName() - can't use sprintf() because the string must contain binary zeros.
-    char desc[256] = {0};
-    char* c = strcpy(desc,e->description) + strlen(e->description)+1;
-    c += sprintf(c,"*.%s",e->fileExtension)+1;
-    strcpy(c, "*.*\0"); c += 4;
-
-    ai_assert(c - &desc[0] <= 256);
-
-    const std::string ext = "."+std::string(e->fileExtension);
-    OPENFILENAME sFilename1 = {
-        sizeof(OPENFILENAME),
-        g_hDlg,GetModuleHandle(nullptr),
-        desc, nullptr, 0, 1,
-        szFileName, MAX_PATH, nullptr, 0, nullptr,
-        "Export asset",
-        OFN_OVERWRITEPROMPT | OFN_HIDEREADONLY | OFN_NOCHANGEDIR,
-        0, 1, ext.c_str(), 0, nullptr, nullptr
-    };
-    if(::GetSaveFileName(&sFilename1) == 0) {
-        return;
-    }
-
-    // Now store the file in the registry unless the user decided to stay in the model directory
-    const std::string sFinal = szFileName, sub = sFinal.substr(0,sFinal.find_last_of("\\/"));
-    if (strncmp(sub.c_str(),g_szFileName,sub.length())) {
-        RegSetValueExA(g_hRegistry,"ModelExportDest",0,REG_SZ,(const BYTE*)szFileName,MAX_PATH);
-    }
-
-    // export the file
-    const aiReturn res = exp.Export(g_pcAsset->pcScene,e->id,sFinal.c_str(),
-        ppsteps | /* configurable pp steps */
-        aiProcess_GenSmoothNormals         | // generate smooth normal vectors if not existing
-        aiProcess_SplitLargeMeshes         | // split large, unrenderable meshes into submeshes
-        aiProcess_Triangulate              | // triangulate polygons with more than 3 edges
-        aiProcess_ConvertToLeftHanded      | // convert everything to D3D left handed space
-        aiProcess_SortByPType              | // make 'clean' meshes which consist of a single typ of primitives
-        0
-    );
-    if (res == aiReturn_SUCCESS) {
-        CLogDisplay::Instance().AddEntry("[INFO] Exported file " + sFinal,D3DCOLOR_ARGB(0xFF,0x00,0xFF,0x00));
-        return;
-    }
-    CLogDisplay::Instance().AddEntry("[INFO] Failure exporting file " +
-        sFinal,D3DCOLOR_ARGB(0xFF,0xFF,0x00,0x00));
-}
-#endif
-
-//-------------------------------------------------------------------------------
-// Initialize the user interface
-//-------------------------------------------------------------------------------
-void InitUI() {
-    SetDlgItemText(g_hDlg,IDC_EVERT,"0");
-    SetDlgItemText(g_hDlg,IDC_EFACE,"0");
-    SetDlgItemText(g_hDlg,IDC_EMAT,"0");
-    SetDlgItemText(g_hDlg,IDC_ESHADER,"0");
-    SetDlgItemText(g_hDlg,IDC_ENODEWND,"0");
-    SetDlgItemText(g_hDlg,IDC_ETEX,"0");
-    SetDlgItemText(g_hDlg,IDC_EMESH,"0");
-
-#ifndef ASSIMP_BUILD_NO_EXPORT
-    PopulateExportMenu();
-#endif
-
-    // setup the default window title
-    SetWindowText(g_hDlg,AI_VIEW_CAPTION_BASE);
-
-    // read some UI properties from the registry and apply them
-    DWORD dwValue;
-    DWORD dwTemp = sizeof( DWORD );
-
-    // store the key in a global variable for later use
-    RegCreateKeyEx(HKEY_CURRENT_USER,"Software\\ASSIMP\\Viewer",
-        0,nullptr,0,KEY_ALL_ACCESS, nullptr, &g_hRegistry,nullptr);
-
-    if(ERROR_SUCCESS != RegQueryValueEx(g_hRegistry,"LastUIState",nullptr,nullptr, (BYTE*)&dwValue,&dwTemp)) {
-        dwValue = 1;
-    }
-    if (0 == dwValue) {
-        // collapse the viewer
-        // adjust the size
-        RECT sRect;
-        GetWindowRect(g_hDlg,&sRect);
-        sRect.right -= sRect.left;
-        sRect.bottom -= sRect.top;
-
-        RECT sRect2;
-        GetWindowRect(GetDlgItem ( g_hDlg, IDC_BLUBB ),&sRect2);
-        sRect2.left -= sRect.left;
-        sRect2.top -= sRect.top;
-
-        SetWindowPos(g_hDlg,nullptr,0,0,sRect.right-214,sRect.bottom,
-            SWP_NOMOVE | SWP_NOZORDER);
-        SetWindowText(GetDlgItem(g_hDlg,IDC_BLUBB),">>");
-    } else {
-        CheckDlgButton(g_hDlg,IDC_BLUBB,BST_CHECKED);
-    }
-
-    // AutoRotate
-    if(ERROR_SUCCESS != RegQueryValueEx(g_hRegistry,"AutoRotate",nullptr,nullptr,
-        (BYTE*)&dwValue,&dwTemp))dwValue = 0;
-    if (0 == dwValue) {
-        g_sOptions.bRotate = false;
-        CheckDlgButton(g_hDlg,IDC_AUTOROTATE,BST_UNCHECKED);
-    } else {
-        g_sOptions.bRotate = true;
-        CheckDlgButton(g_hDlg,IDC_AUTOROTATE,BST_CHECKED);
-    }
-
-    // MultipleLights
-    if(ERROR_SUCCESS != RegQueryValueEx(g_hRegistry,"MultipleLights",nullptr,nullptr,
-        (BYTE*)&dwValue,&dwTemp))dwValue = 0;
-    if (0 == dwValue) {
-        g_sOptions.b3Lights = false;
-        CheckDlgButton(g_hDlg,IDC_3LIGHTS,BST_UNCHECKED);
-    } else {
-        g_sOptions.b3Lights = true;
-        CheckDlgButton(g_hDlg,IDC_3LIGHTS,BST_CHECKED);
-    }
-
-    // Light rotate
-    if(ERROR_SUCCESS != RegQueryValueEx(g_hRegistry,"LightRotate",nullptr,nullptr,
-        (BYTE*)&dwValue,&dwTemp))dwValue = 0;
-    if (0 == dwValue) {
-        g_sOptions.bLightRotate = false;
-        CheckDlgButton(g_hDlg,IDC_LIGHTROTATE,BST_UNCHECKED);
-    } else {
-        g_sOptions.bLightRotate = true;
-        CheckDlgButton(g_hDlg,IDC_LIGHTROTATE,BST_CHECKED);
-    }
-
-    // NoSpecular
-    if (ERROR_SUCCESS != RegQueryValueEx(g_hRegistry, "NoSpecular", nullptr, nullptr, (BYTE*)&dwValue, &dwTemp)) {
-        dwValue = 0;
-    }
-    if (0 == dwValue) {
-        g_sOptions.bNoSpecular = false;
-        CheckDlgButton(g_hDlg,IDC_NOSPECULAR,BST_UNCHECKED);
-    } else {
-        g_sOptions.bNoSpecular = true;
-        CheckDlgButton(g_hDlg,IDC_NOSPECULAR,BST_CHECKED);
-    }
-
-    // LowQuality
-    if(ERROR_SUCCESS != RegQueryValueEx(g_hRegistry,"LowQuality",nullptr,nullptr,
-        (BYTE*)&dwValue,&dwTemp))dwValue = 0;
-    if (0 == dwValue) {
-        g_sOptions.bLowQuality = false;
-        CheckDlgButton(g_hDlg,IDC_LOWQUALITY,BST_UNCHECKED);
-    } else {
-        g_sOptions.bLowQuality = true;
-        CheckDlgButton(g_hDlg,IDC_LOWQUALITY,BST_CHECKED);
-    }
-
-    // LowQuality
-    if(ERROR_SUCCESS != RegQueryValueEx(g_hRegistry,"NoTransparency",nullptr,nullptr,
-        (BYTE*)&dwValue,&dwTemp))dwValue = 0;
-    if (0 == dwValue) {
-        g_sOptions.bNoAlphaBlending = false;
-        CheckDlgButton(g_hDlg,IDC_NOAB,BST_UNCHECKED);
-    } else {
-        g_sOptions.bNoAlphaBlending = true;
-        CheckDlgButton(g_hDlg,IDC_NOAB,BST_CHECKED);
-    }
-
-    // DisplayNormals
-    if(ERROR_SUCCESS != RegQueryValueEx(g_hRegistry,"RenderNormals",nullptr,nullptr,
-        (BYTE*)&dwValue,&dwTemp))dwValue = 0;
-    if (0 == dwValue) {
-        g_sOptions.bRenderNormals = false;
-        CheckDlgButton(g_hDlg,IDC_TOGGLENORMALS,BST_UNCHECKED);
-    } else {
-        g_sOptions.bRenderNormals = true;
-        CheckDlgButton(g_hDlg,IDC_TOGGLENORMALS,BST_CHECKED);
-    }
-
-    // NoMaterials
-    if (ERROR_SUCCESS != RegQueryValueEx(g_hRegistry, "RenderMats", nullptr, nullptr,
-        (BYTE*)&dwValue, &dwTemp)) {
-        dwValue = 1;
-    }
-    if (0 == dwValue) {
-        g_sOptions.bRenderMats = false;
-        CheckDlgButton(g_hDlg,IDC_TOGGLEMAT,BST_CHECKED);
-    } else {
-        g_sOptions.bRenderMats = true;
-        CheckDlgButton(g_hDlg,IDC_TOGGLEMAT,BST_UNCHECKED);
-    }
-
-    // MultiSampling
-    if(ERROR_SUCCESS != RegQueryValueEx(g_hRegistry,"MultiSampling",nullptr,nullptr,
-        (BYTE*)&dwValue,&dwTemp))dwValue = 1;
-    if (0 == dwValue)
-    {
-        g_sOptions.bMultiSample = false;
-        CheckDlgButton(g_hDlg,IDC_TOGGLEMS,BST_UNCHECKED);
-    } else {
-        g_sOptions.bMultiSample = true;
-        CheckDlgButton(g_hDlg,IDC_TOGGLEMS,BST_CHECKED);
-    }
-
-    // FPS Mode
-    if(ERROR_SUCCESS != RegQueryValueEx(g_hRegistry,"FPSView",nullptr,nullptr,
-        (BYTE*)&dwValue,&dwTemp))dwValue = 0;
-    if (0 == dwValue) {
-        g_bFPSView = false;
-        CheckDlgButton(g_hDlg,IDC_ZOOM,BST_CHECKED);
-    } else {
-        g_bFPSView = true;
-        CheckDlgButton(g_hDlg,IDC_ZOOM,BST_UNCHECKED);
-    }
-
-    // WireFrame
-    if(ERROR_SUCCESS != RegQueryValueEx(g_hRegistry,"Wireframe",nullptr,nullptr,
-        (BYTE*)&dwValue,&dwTemp))dwValue = 0;
-    if (0 == dwValue)
-    {
-        g_sOptions.eDrawMode = RenderOptions::NORMAL;
-        CheckDlgButton(g_hDlg,IDC_TOGGLEWIRE,BST_UNCHECKED);
-    }
-    else
-    {
-        g_sOptions.eDrawMode = RenderOptions::WIREFRAME;
-        CheckDlgButton(g_hDlg,IDC_TOGGLEWIRE,BST_CHECKED);
-    }
-
-    if(ERROR_SUCCESS != RegQueryValueEx(g_hRegistry,"PostProcessing",nullptr,nullptr,(BYTE*)&dwValue,&dwTemp))
-        ppsteps = ppstepsdefault;
-    else ppsteps = dwValue;
-
-    SetupPPUIState();
-    LoadCheckerPatternColors();
-
-    SendDlgItemMessage(g_hDlg,IDC_SLIDERANIM,TBM_SETRANGEMIN,TRUE,0);
-    SendDlgItemMessage(g_hDlg,IDC_SLIDERANIM,TBM_SETRANGEMAX,TRUE,10000);
-}
-
-//-------------------------------------------------------------------------------
-// Message procedure for the smooth normals dialog
-//-------------------------------------------------------------------------------
-INT_PTR CALLBACK SMMessageProc(HWND hwndDlg,UINT uMsg, WPARAM wParam,LPARAM lParam) {
-    UNREFERENCED_PARAMETER(lParam);
-    switch (uMsg) {
-    case WM_INITDIALOG:
-        {
-            char s[30];
-            ::sprintf(s, "%.2f", g_smoothAngle);
-            SetDlgItemText(hwndDlg, IDC_EDITSM, s);
-        }
-        return TRUE;
-
-    case WM_CLOSE:
-        EndDialog(hwndDlg,0);
-        return TRUE;
-
-    case WM_COMMAND:
-        {
-            if (IDOK == LOWORD(wParam)) {
-                char s[30];
-                GetDlgItemText(hwndDlg, IDC_EDITSM, s, 30);
-                g_smoothAngle = (float)atof(s);
-
-                EndDialog(hwndDlg, 0);
-            } else if (IDCANCEL == LOWORD(wParam)) {
-                EndDialog(hwndDlg, 1);
-            }
-        }
-        return TRUE;
-    }
-    return FALSE;
-}
-
-//-------------------------------------------------------------------------------
-// Main message procedure of the application
-//
-// The function handles all incoming messages for the main window.
-// However, if does not directly process input commands.
-// NOTE: Due to the impossibility to process WM_CHAR messages in dialogs
-// properly the code for all hotkeys has been moved to the WndMain
-//-------------------------------------------------------------------------------
-INT_PTR CALLBACK MessageProc(HWND hwndDlg,UINT uMsg, WPARAM wParam,LPARAM lParam) {
-    UNREFERENCED_PARAMETER(lParam);
-    UNREFERENCED_PARAMETER(wParam);
-
-    int xPos,yPos;
-    int xPos2,yPos2;
-    int fHalfX;
-    int fHalfY;
-
-    TRACKMOUSEEVENT sEvent;
-    switch (uMsg)
-        {
-        case WM_INITDIALOG:
-
-            g_hDlg = hwndDlg;
-
-            // load the state of the user interface
-            InitUI();
-
-            // load the file history
-            LoadHistory();
-
-            // load the current color of the lights
-            LoadLightColors();
-            return TRUE;
-
-        case WM_HSCROLL:
-
-            // XXX quick and dirty fix for #3029892
-            if (GetDlgItem(g_hDlg, IDC_SLIDERANIM) == (HWND)lParam && g_pcAsset && g_pcAsset->pcScene->mAnimations)
-            {
-                double num = (double)SendDlgItemMessage(g_hDlg,IDC_SLIDERANIM,TBM_GETPOS,0,0);
-                const aiAnimation* anim = g_pcAsset->pcScene->mAnimations[ g_pcAsset->mAnimator->CurrentAnimIndex() ];
-
-                g_dCurrent = (anim->mDuration/anim->mTicksPerSecond) * num/10000;
-                g_pcAsset->mAnimator->Calculate(g_dCurrent);
-            }
-            break;
-
-        case WM_MOUSEWHEEL:
-
-            if (CDisplay::VIEWMODE_TEXTURE == CDisplay::Instance().GetViewMode())
-            {
-                CDisplay::Instance().SetTextureViewZoom ( GET_WHEEL_DELTA_WPARAM(wParam) / 50.0f );
-            }
-            else
-            {
-                if (!g_bFPSView)
-                    {
-                    g_sCamera.vPos.z += GET_WHEEL_DELTA_WPARAM(wParam) / 50.0f;
-                    }
-                else
-                    {
-                    g_sCamera.vPos += (GET_WHEEL_DELTA_WPARAM(wParam) / 50.0f) *
-                        g_sCamera.vLookAt.Normalize();
-                    }
-            }
-            return TRUE;
-
-        case WM_MOUSELEAVE:
-
-            g_bMousePressed = false;
-            g_bMousePressedR = false;
-            g_bMousePressedM = false;
-            g_bMousePressedBoth = false;
-            return TRUE;
-
-        case WM_LBUTTONDBLCLK:
-
-            CheckDlgButton(hwndDlg,IDC_AUTOROTATE,
-                IsDlgButtonChecked(hwndDlg,IDC_AUTOROTATE) == BST_CHECKED
-                ? BST_UNCHECKED : BST_CHECKED);
-
-            ToggleAutoRotate();
-            return TRUE;
-
-
-        case WM_CLOSE:
-            PostQuitMessage(0);
-            DestroyWindow(hwndDlg);
-            return TRUE;
-
-        case WM_NOTIFY:
-
-            if (IDC_TREE1 == wParam)
-            {
-                NMTREEVIEW* pnmtv = (LPNMTREEVIEW) lParam;
-
-                if (TVN_SELCHANGED == pnmtv->hdr.code)
-                    CDisplay::Instance().OnSetup( pnmtv->itemNew.hItem );
-                else if (NM_RCLICK == pnmtv->hdr.code)
-                {
-                    // determine in which item the click was ...
-                    POINT sPoint;
-                    GetCursorPos(&sPoint);
-                    ScreenToClient(GetDlgItem(g_hDlg,IDC_TREE1),&sPoint);
-
-                    TVHITTESTINFO sHit;
-                    sHit.pt = sPoint;
-                    TreeView_HitTest(GetDlgItem(g_hDlg,IDC_TREE1),&sHit);
-                    CDisplay::Instance().ShowTreeViewContextMenu(sHit.hItem);
-                }
-            }
-            return TRUE;
-
-        case WM_DRAWITEM:
-            {
-                // draw the two light colors
-                DRAWITEMSTRUCT* pcStruct = (DRAWITEMSTRUCT*)lParam;
-
-                RECT sRect;
-                GetWindowRect(GetDlgItem(g_hDlg,IDC_LCOLOR1),&sRect);
-                sRect.right -= sRect.left;
-                sRect.bottom -= sRect.top;
-                sRect.left = sRect.top = 0;
-
-                bool bDraw = false;
-
-                if(IDC_LCOLOR1 == pcStruct->CtlID)
-                {
-                    unsigned char r,g,b;
-                    const char* szText;
-                    if (CDisplay::VIEWMODE_TEXTURE == CDisplay::Instance().GetViewMode() ||
-                        CDisplay::VIEWMODE_MATERIAL == CDisplay::Instance().GetViewMode())
-                    {
-                        r = (unsigned char)(CDisplay::Instance().GetFirstCheckerColor()->x * 255.0f);
-                        g = (unsigned char)(CDisplay::Instance().GetFirstCheckerColor()->y * 255.0f);
-                        b = (unsigned char)(CDisplay::Instance().GetFirstCheckerColor()->z * 255.0f);
-                        szText = "Background #0";
-                    }
-                    else if (!g_pcAsset)
-                    {
-                        r = g = b = 150;szText = "";
-                    }
-                    else
-                    {
-                        r = (unsigned char)((g_avLightColors[0] >> 16) & 0xFF);
-                        g = (unsigned char)((g_avLightColors[0] >> 8) & 0xFF);
-                        b = (unsigned char)((g_avLightColors[0]) & 0xFF);
-                        szText = "Light #0";
-                    }
-                    HBRUSH hbr = CreateSolidBrush(RGB(r,g,b));
-
-                    FillRect(pcStruct->hDC,&sRect,hbr);
-
-
-                    SetTextColor(pcStruct->hDC,RGB(0xFF-r,0xFF-g,0xFF-b));
-                    SetBkMode(pcStruct->hDC,TRANSPARENT);
-                    TextOut(pcStruct->hDC,4,1,szText, static_cast<int>(strlen(szText)));
-                    bDraw = true;
-                }
-                else if(IDC_LCOLOR2 == pcStruct->CtlID)
-                {
-                    unsigned char r,g,b;
-                    const char* szText;
-                    if (CDisplay::VIEWMODE_TEXTURE == CDisplay::Instance().GetViewMode() ||
-                        CDisplay::VIEWMODE_MATERIAL == CDisplay::Instance().GetViewMode())
-                    {
-                        r = (unsigned char)(CDisplay::Instance().GetSecondCheckerColor()->x * 255.0f);
-                        g = (unsigned char)(CDisplay::Instance().GetSecondCheckerColor()->y * 255.0f);
-                        b = (unsigned char)(CDisplay::Instance().GetSecondCheckerColor()->z * 255.0f);
-                        szText = "Background #1";
-                    }
-                    else if (!g_pcAsset)
-                    {
-                        r = g = b = 150;szText = "";
-                    }
-                    else
-                    {
-                        r = (unsigned char)((g_avLightColors[1] >> 16) & 0xFF);
-                        g = (unsigned char)((g_avLightColors[1] >> 8) & 0xFF);
-                        b = (unsigned char)((g_avLightColors[1]) & 0xFF);
-                        szText = "Light #1";
-                    }
-                    HBRUSH hbr = CreateSolidBrush(RGB(r,g,b));
-                    FillRect(pcStruct->hDC,&sRect,hbr);
-
-                    SetTextColor(pcStruct->hDC,RGB(0xFF-r,0xFF-g,0xFF-b));
-                    SetBkMode(pcStruct->hDC,TRANSPARENT);
-                    TextOut(pcStruct->hDC,4,1,szText, static_cast<int>(strlen(szText)));
-                    bDraw = true;
-                }
-                else if(IDC_LCOLOR3 == pcStruct->CtlID)
-                {
-                    unsigned char r,g,b;
-                    const char* szText;
-                    if (CDisplay::VIEWMODE_TEXTURE == CDisplay::Instance().GetViewMode() ||
-                        CDisplay::VIEWMODE_MATERIAL == CDisplay::Instance().GetViewMode())
-                    {
-                        r = g = b = 0;
-                        szText = "";
-                    }
-                    else if (!g_pcAsset)
-                    {
-                        r = g = b = 150;szText = "";
-                    }
-                    else
-                    {
-                        r = (unsigned char)((g_avLightColors[2] >> 16) & 0xFF);
-                        g = (unsigned char)((g_avLightColors[2] >> 8) & 0xFF);
-                        b = (unsigned char)((g_avLightColors[2]) & 0xFF);
-                        szText = "Ambient";
-                    }
-                    HBRUSH hbr = CreateSolidBrush(RGB(r,g,b));
-                    FillRect(pcStruct->hDC,&sRect,hbr);
-
-                    SetTextColor(pcStruct->hDC,RGB(0xFF-r,0xFF-g,0xFF-b));
-                    SetBkMode(pcStruct->hDC,TRANSPARENT);
-                    TextOut(pcStruct->hDC,4,1,szText,static_cast<int>(strlen(szText)));
-                    bDraw = true;
-                }
-                // draw the black border around the rects
-                if (bDraw)
-                {
-                    SetBkColor(pcStruct->hDC,RGB(0,0,0));
-                    MoveToEx(pcStruct->hDC,0,0,nullptr);
-                    LineTo(pcStruct->hDC,sRect.right-1,0);
-                    LineTo(pcStruct->hDC,sRect.right-1,sRect.bottom-1);
-                    LineTo(pcStruct->hDC,0,sRect.bottom-1);
-                    LineTo(pcStruct->hDC,0,0);
-                }
-            }
-            return TRUE;
-
-        case WM_DESTROY:
-
-            // close the open registry key
-            RegCloseKey(g_hRegistry);
-            return TRUE;
-
-        case WM_LBUTTONDOWN:
-            g_bMousePressed = true;
-
-            // register a mouse track handler to be sure we'll know
-            // when the mouse leaves the display view again
-            sEvent.cbSize = sizeof(TRACKMOUSEEVENT);
-            sEvent.dwFlags = TME_LEAVE;
-            sEvent.hwndTrack = g_hDlg;
-            sEvent.dwHoverTime = HOVER_DEFAULT;
-            TrackMouseEvent(&sEvent);
-
-            if (g_bMousePressedR)
-                {
-                g_bMousePressed = false;
-                g_bMousePressedR = false;
-                g_bMousePressedBoth = true;
-                return TRUE;
-                }
-
-            // need to determine the position of the mouse and the
-            // distance from the center
-            //xPos = (int)(short)LOWORD(lParam);
-            //yPos = (int)(short)HIWORD(lParam);
-
-            POINT sPoint;
-            GetCursorPos(&sPoint);
-            ScreenToClient(GetDlgItem(g_hDlg,IDC_RT),&sPoint);
-            xPos = xPos2 = sPoint.x;
-            yPos = yPos2 = sPoint.y;
-
-            RECT sRect;
-            GetWindowRect(GetDlgItem(g_hDlg,IDC_RT),&sRect);
-            sRect.right -= sRect.left;
-            sRect.bottom -= sRect.top;
-
-            // if the mouse click was inside the viewer panel
-            // give the focus to it
-            if (xPos > 0 && xPos < sRect.right && yPos > 0 && yPos < sRect.bottom)
-                {
-                SetFocus(GetDlgItem(g_hDlg,IDC_RT));
-                }
-
-            // g_bInvert stores whether the mouse has started on the negative
-            // x or on the positive x axis of the imaginary coordinate system
-            // with origin p at the center of the HUD texture
-            xPos -= sRect.right/2;
-            yPos -= sRect.bottom/2;
-
-            if (xPos > 0)g_bInvert = true;
-            else g_bInvert = false;
-
-            D3DSURFACE_DESC sDesc;
-            g_pcTexture->GetLevelDesc(0,&sDesc);
-
-            fHalfX = (int)(((float)sRect.right-(float)sDesc.Width) / 2.0f);
-            fHalfY = (int)(((float)sRect.bottom-(float)sDesc.Height) / 2.0f);
-
-            // Determine the input operation to perform for this position
-            g_eClick = EClickPos_Outside;
-            if (xPos2 >= fHalfX && xPos2 < fHalfX + (int)sDesc.Width &&
-                yPos2 >= fHalfY && yPos2 < fHalfY + (int)sDesc.Height &&
-                nullptr != g_szImageMask)
-                {
-                // inside the texture. Lookup the grayscale value from it
-                xPos2 -= fHalfX;
-                yPos2 -= fHalfY;
-
-                unsigned char chValue = g_szImageMask[xPos2 + yPos2 * sDesc.Width];
-                if (chValue > 0xFF-20)
-                    {
-                    g_eClick = EClickPos_Circle;
-                    }
-                else if (chValue < 0xFF-20 && chValue > 185)
-                    {
-                    g_eClick = EClickPos_CircleHor;
-                    }
-                else if (chValue > 0x10 && chValue < 185)
-                    {
-                    g_eClick = EClickPos_CircleVert;
-                    }
-                }
-            return TRUE;
-
-        case WM_RBUTTONDOWN:
-            g_bMousePressedR = true;
-
-            sEvent.cbSize = sizeof(TRACKMOUSEEVENT);
-            sEvent.dwFlags = TME_LEAVE;
-            sEvent.hwndTrack = g_hDlg;
-            sEvent.dwHoverTime = HOVER_DEFAULT;
-            TrackMouseEvent(&sEvent);
-
-            if (g_bMousePressed)
-                {
-                g_bMousePressedR = false;
-                g_bMousePressed = false;
-                g_bMousePressedBoth = true;
-                }
-
-            return TRUE;
-
-        case WM_MBUTTONDOWN:
-
-
-            g_bMousePressedM = true;
-
-            sEvent.cbSize = sizeof(TRACKMOUSEEVENT);
-            sEvent.dwFlags = TME_LEAVE;
-            sEvent.hwndTrack = g_hDlg;
-            sEvent.dwHoverTime = HOVER_DEFAULT;
-            TrackMouseEvent(&sEvent);
-            return TRUE;
-
-        case WM_LBUTTONUP:
-            g_bMousePressed = false;
-            g_bMousePressedBoth = false;
-            return TRUE;
-
-        case WM_RBUTTONUP:
-            g_bMousePressedR = false;
-            g_bMousePressedBoth = false;
-            return TRUE;
-
-        case WM_MBUTTONUP:
-            g_bMousePressedM = false;
-            return TRUE;
-
-        case WM_DROPFILES:
-            {
-                HDROP hDrop = (HDROP)wParam;
-                char szFile[MAX_PATH];
-                DragQueryFile(hDrop,0,szFile,sizeof(szFile));
-                const char* sz = strrchr(szFile,'.');
-                if (!sz) {
-                    sz = szFile;
-                }
-
-                if (CDisplay::VIEWMODE_TEXTURE == CDisplay::Instance().GetViewMode()) {
-                    // replace the selected texture with the new one ...
-                    CDisplay::Instance().ReplaceCurrentTexture(szFile);
-                } else {
-                    // check whether it is a typical texture file format ...
-                    ++sz;
-                    if (0 == ASSIMP_stricmp(sz,"png") ||
-                        0 == ASSIMP_stricmp(sz,"bmp") ||
-                        0 == ASSIMP_stricmp(sz,"jpg") ||
-                        0 == ASSIMP_stricmp(sz,"tga") ||
-                        0 == ASSIMP_stricmp(sz,"tif") ||
-                        0 == ASSIMP_stricmp(sz,"hdr") ||
-                        0 == ASSIMP_stricmp(sz,"ppm") ||
-                        0 == ASSIMP_stricmp(sz,"pfm"))
-                    {
-                        CBackgroundPainter::Instance().SetTextureBG(szFile);
-                    }
-                    else if (0 == Assimp::ASSIMP_stricmp(sz,"dds"))
-                    {
-                        // DDS files could contain skyboxes, but they could also
-                        // contain normal 2D textures. The easiest way to find this
-                        // out is to open the file and check the header ...
-                        FILE* pFile = fopen(szFile,"rb");
-                        if (!pFile)
-                            return TRUE;
-
-                        // header of a dds file (begin)
-                        /*
-                        DWORD dwMagic
-                        DWORD dwSize
-                        DWORD dwFlags
-                        DWORD dwHeight
-                        DWORD dwWidth
-                        DWORD dwPitchOrLinearSize
-                        DWORD dwDepth
-                        DWORD dwMipMapCount           -> total with this: 32
-                        DWORD dwReserved1[11]         -> total with this: 76
-                        DDPIXELFORMAT ddpfPixelFormat -> total with this: 108
-                        DWORD dwCaps1;                -> total with this: 112
-                        DWORD dwCaps2; ---< here we are!
-                        */
-                        DWORD dwCaps = 0;
-                        fseek(pFile,112,SEEK_SET);
-                        fread(&dwCaps,4,1,pFile);
-
-                        if (dwCaps & 0x00000400L /* DDSCAPS2_CUBEMAP_POSITIVEX */) {
-                            CLogDisplay::Instance().AddEntry(
-                                "[INFO] Assuming this dds file is a skybox ...",
-                                D3DCOLOR_ARGB(0xFF,0xFF,0xFF,0));
-
-                            CBackgroundPainter::Instance().SetCubeMapBG(szFile);
-                        } else {
-                            CBackgroundPainter::Instance().SetTextureBG(szFile);
-                        }
-                        fclose(pFile);
-                    } else {
-                        strcpy(g_szFileName,szFile);
-
-                        DeleteAsset();
-                        LoadAsset();
-                        UpdateHistory();
-                        SaveHistory();
-                    }
-                }
-                DragFinish(hDrop);
-            }
-            return TRUE;
-
-        case WM_COMMAND:
-            HMENU hMenu = GetMenu(g_hDlg);
-            if (ID_VIEWER_QUIT == LOWORD(wParam)) {
-                PostQuitMessage(0);
-                DestroyWindow(hwndDlg);
-            } else if (IDC_COMBO1 == LOWORD(wParam)) {
-                if(HIWORD(wParam) == CBN_SELCHANGE) {
-                    const size_t sel = static_cast<size_t>(ComboBox_GetCurSel(GetDlgItem(hwndDlg,IDC_COMBO1)));
-                    if(g_pcAsset) {
-                        g_pcAsset->mAnimator->SetAnimIndex(sel);
-                        SendDlgItemMessage(hwndDlg,IDC_SLIDERANIM,TBM_SETPOS,TRUE,0);
-                    }
-                }
-            } else if (ID_VIEWER_RESETVIEW == LOWORD(wParam)) {
-                g_sCamera.vPos = aiVector3D(0.0f,0.0f,-10.0f);
-                g_sCamera.vLookAt = aiVector3D(0.0f,0.0f,1.0f);
-                g_sCamera.vUp = aiVector3D(0.0f,1.0f,0.0f);
-                g_sCamera.vRight = aiVector3D(0.0f,1.0f,0.0f);
-                g_mWorldRotate = aiMatrix4x4();
-                g_mWorld = aiMatrix4x4();
-
-                // don't forget to reset the st
-                CBackgroundPainter::Instance().ResetSB();
-            } else if (ID__HELP == LOWORD(wParam)) {
-                DialogBox(g_hInstance,MAKEINTRESOURCE(IDD_AVHELP),
-                    hwndDlg,&HelpDialogProc);
-            } else if (ID__ABOUT == LOWORD(wParam)) {
-                DialogBox(g_hInstance,MAKEINTRESOURCE(IDD_ABOUTBOX),
-                    hwndDlg,&AboutMessageProc);
-            } else if (ID_TOOLS_LOGWINDOW == LOWORD(wParam)) {
-                CLogWindow::Instance().Show();
-            } else if (ID__WEBSITE == LOWORD(wParam)) {
-                ShellExecute(nullptr,"open","http://assimp.sourceforge.net","","",SW_SHOW);
-            } else if (ID__WEBSITESF == LOWORD(wParam)) {
-                ShellExecute(nullptr,"open","https://sourceforge.net/projects/assimp","","",SW_SHOW);
-            }  else if (ID_REPORTBUG == LOWORD(wParam)) {
-                ShellExecute(nullptr,"open","https://sourceforge.net/tracker/?func=add&group_id=226462&atid=1067632","","",SW_SHOW);
-            } else if (ID_FR == LOWORD(wParam)) {
-                ShellExecute(nullptr,"open","https://sourceforge.net/forum/forum.php?forum_id=817653","","",SW_SHOW);
-            } else if (ID_TOOLS_CLEARLOG == LOWORD(wParam)) {
-                CLogWindow::Instance().Clear();
-            } else if (ID_TOOLS_SAVELOGTOFILE == LOWORD(wParam)) {
-                CLogWindow::Instance().Save();
-            } else if (ID_VIEWER_MEMORYCONSUMATION == LOWORD(wParam)) {
-                DisplayMemoryConsumption();
-            } else if (ID_VIEWER_H == LOWORD(wParam)) {
-                MakeFileAssociations();
-            } else if (ID_BACKGROUND_CLEAR == LOWORD(wParam)) {
-                ClearBG();
-            } else if (ID_BACKGROUND_SETCOLOR == LOWORD(wParam)) {
-                ChooseBGColor();
-            } else if (ID_BACKGROUND_LOADTEXTURE == LOWORD(wParam)) {
-                LoadBGTexture();
-            } else if (ID_BACKGROUND_LOADSKYBOX == LOWORD(wParam)) {
-                LoadSkybox();
-            } else if (ID_VIEWER_SAVESCREENSHOTTOFILE == LOWORD(wParam)) {
-                SaveScreenshot();
-            } else if (ID_VIEWER_OPEN == LOWORD(wParam)) {
-                OpenAsset();
-            } else if (ID_TOOLS_FLIPNORMALS == LOWORD(wParam)) {
-                if (g_pcAsset && g_pcAsset->pcScene) {
-                    g_pcAsset->FlipNormals();
-                }
-            }
-            // this is ugly. anyone willing to rewrite it from scratch using wxwidgets or similar?
-            else if (ID_VIEWER_PP_JIV == LOWORD(wParam))    {
-                ppsteps ^= aiProcess_JoinIdenticalVertices;
-                CheckMenuItem(hMenu,ID_VIEWER_PP_JIV,ppsteps & aiProcess_JoinIdenticalVertices ? MF_CHECKED : MF_UNCHECKED);
-                UpdatePPSettings();
-            } else if (ID_VIEWER_PP_CTS == LOWORD(wParam))    {
-                ppsteps ^= aiProcess_CalcTangentSpace;
-                CheckMenuItem(hMenu,ID_VIEWER_PP_CTS,ppsteps & aiProcess_CalcTangentSpace ? MF_CHECKED : MF_UNCHECKED);
-                UpdatePPSettings();
-            } else if (ID_VIEWER_PP_FD == LOWORD(wParam)) {
-                ppsteps ^= aiProcess_FindDegenerates;
-                CheckMenuItem(hMenu,ID_VIEWER_PP_FD,ppsteps & aiProcess_FindDegenerates ? MF_CHECKED : MF_UNCHECKED);
-                UpdatePPSettings();
-            } else if (ID_VIEWER_PP_FID == LOWORD(wParam))    {
-                ppsteps ^= aiProcess_FindInvalidData;
-                CheckMenuItem(hMenu,ID_VIEWER_PP_FID,ppsteps & aiProcess_FindInvalidData ? MF_CHECKED : MF_UNCHECKED);
-                UpdatePPSettings();
-            }
-            else if (ID_VIEWER_PP_FIM == LOWORD(wParam))    {
-                ppsteps ^= aiProcess_FindInstances;
-                CheckMenuItem(hMenu,ID_VIEWER_PP_FIM,ppsteps & aiProcess_FindInstances ? MF_CHECKED : MF_UNCHECKED);
-                UpdatePPSettings();
-            }
-            else if (ID_VIEWER_PP_FIN == LOWORD(wParam))    {
-                ppsteps ^= aiProcess_FixInfacingNormals;
-                CheckMenuItem(hMenu,ID_VIEWER_PP_FIN,ppsteps & aiProcess_FixInfacingNormals ? MF_CHECKED : MF_UNCHECKED);
-                UpdatePPSettings();
-            }
-            else if (ID_VIEWER_PP_GUV == LOWORD(wParam))    {
-                ppsteps ^= aiProcess_GenUVCoords;
-                CheckMenuItem(hMenu,ID_VIEWER_PP_GUV,ppsteps & aiProcess_GenUVCoords ? MF_CHECKED : MF_UNCHECKED);
-                UpdatePPSettings();
-            }
-            else if (ID_VIEWER_PP_ICL == LOWORD(wParam))    {
-                ppsteps ^= aiProcess_ImproveCacheLocality;
-                CheckMenuItem(hMenu,ID_VIEWER_PP_ICL,ppsteps & aiProcess_ImproveCacheLocality ? MF_CHECKED : MF_UNCHECKED);
-                UpdatePPSettings();
-            }
-            else if (ID_VIEWER_PP_OG == LOWORD(wParam)) {
-                if (ppsteps & aiProcess_PreTransformVertices) {
-                    CLogDisplay::Instance().AddEntry("[ERROR] This setting is incompatible with \'Pretransform Vertices\'");
-                }
-                else {
-                    ppsteps ^= aiProcess_OptimizeGraph;
-                    CheckMenuItem(hMenu,ID_VIEWER_PP_OG,ppsteps & aiProcess_OptimizeGraph ? MF_CHECKED : MF_UNCHECKED);
-                    UpdatePPSettings();
-                }
-            }
-            else if (ID_VIEWER_PP_OM == LOWORD(wParam)) {
-                ppsteps ^= aiProcess_OptimizeMeshes;
-                CheckMenuItem(hMenu,ID_VIEWER_PP_OM,ppsteps & aiProcess_OptimizeMeshes ? MF_CHECKED : MF_UNCHECKED);
-                UpdatePPSettings();
-            }
-            else if (ID_VIEWER_PP_PTV == LOWORD(wParam))    {
-                if (ppsteps & aiProcess_OptimizeGraph) {
-                    CLogDisplay::Instance().AddEntry("[ERROR] This setting is incompatible with \'Optimize Scenegraph\'");
-                }
-                else {
-                    ppsteps ^= aiProcess_PreTransformVertices;
-                    CheckMenuItem(hMenu,ID_VIEWER_PP_PTV,ppsteps & aiProcess_PreTransformVertices ? MF_CHECKED : MF_UNCHECKED);
-                    UpdatePPSettings();
-                }
-            }
-            else if (ID_VIEWER_PP_RRM2 == LOWORD(wParam))   {
-                ppsteps ^= aiProcess_RemoveRedundantMaterials;
-                CheckMenuItem(hMenu,ID_VIEWER_PP_RRM2,ppsteps & aiProcess_RemoveRedundantMaterials ? MF_CHECKED : MF_UNCHECKED);
-                UpdatePPSettings();
-            }
-            else if (ID_VIEWER_PP_TUV == LOWORD(wParam))    {
-                ppsteps ^= aiProcess_TransformUVCoords;
-                CheckMenuItem(hMenu,ID_VIEWER_PP_TUV,ppsteps & aiProcess_TransformUVCoords ? MF_CHECKED : MF_UNCHECKED);
-                UpdatePPSettings();
-            }
-            else if (ID_VIEWER_PP_DB == LOWORD(wParam)) {
-                ppsteps ^= aiProcess_Debone;
-                CheckMenuItem(hMenu,ID_VIEWER_PP_DB,ppsteps & aiProcess_Debone ? MF_CHECKED : MF_UNCHECKED);
-                UpdatePPSettings();
-            }
-            else if (ID_VIEWER_PP_VDS == LOWORD(wParam))    {
-                ppsteps ^= aiProcess_ValidateDataStructure;
-                CheckMenuItem(hMenu,ID_VIEWER_PP_VDS,ppsteps & aiProcess_ValidateDataStructure ? MF_CHECKED : MF_UNCHECKED);
-                UpdatePPSettings();
-            }
-            else if (ID_VIEWER_RELOAD == LOWORD(wParam))
-            {
-                DeleteAsset();
-                LoadAsset();
-            }
-            else if (ID_IMPORTSETTINGS_RESETTODEFAULT == LOWORD(wParam))
-            {
-                ppsteps = ppstepsdefault;
-                UpdatePPSettings();
-                SetupPPUIState();
-            }
-            else if (ID_IMPORTSETTINGS_OPENPOST == LOWORD(wParam))
-            {
-                ShellExecute(nullptr,"open","http://assimp.sourceforge.net/lib_html/ai_post_process_8h.html","","",SW_SHOW);
-            }
-            else if (ID_TOOLS_ORIGINALNORMALS == LOWORD(wParam))
-            {
-                if (g_pcAsset && g_pcAsset->pcScene)
-                    {
-                    g_pcAsset->SetNormalSet(AssimpView::AssetHelper::ORIGINAL);
-                    CheckMenuItem(hMenu,ID_TOOLS_ORIGINALNORMALS,MF_BYCOMMAND | MF_CHECKED);
-                    CheckMenuItem(hMenu,ID_TOOLS_HARDNORMALS,MF_BYCOMMAND | MF_UNCHECKED);
-                    CheckMenuItem(hMenu,ID_TOOLS_SMOOTHNORMALS,MF_BYCOMMAND | MF_UNCHECKED);
-                    }
-                }
-
-            else if (ID_TOOLS_SMOOTHNORMALS == LOWORD(wParam))
-                {
-                if (g_pcAsset && g_pcAsset->pcScene)
-                    {
-                    g_pcAsset->SetNormalSet(AssimpView::AssetHelper::SMOOTH);
-                    CheckMenuItem(hMenu,ID_TOOLS_ORIGINALNORMALS,MF_BYCOMMAND | MF_UNCHECKED);
-                    CheckMenuItem(hMenu,ID_TOOLS_HARDNORMALS,MF_BYCOMMAND | MF_UNCHECKED);
-                    CheckMenuItem(hMenu,ID_TOOLS_SMOOTHNORMALS,MF_BYCOMMAND | MF_CHECKED);
-                    }
-                }
-            else if (ID_TOOLS_HARDNORMALS == LOWORD(wParam))
-                {
-                if (g_pcAsset && g_pcAsset->pcScene)
-                    {
-                    g_pcAsset->SetNormalSet(AssimpView::AssetHelper::HARD);
-                    CheckMenuItem(hMenu,ID_TOOLS_ORIGINALNORMALS,MF_BYCOMMAND | MF_UNCHECKED);
-                    CheckMenuItem(hMenu,ID_TOOLS_HARDNORMALS,MF_BYCOMMAND | MF_CHECKED);
-                    CheckMenuItem(hMenu,ID_TOOLS_SMOOTHNORMALS,MF_BYCOMMAND | MF_UNCHECKED);
-                    }
-                }
-            else if (ID_TOOLS_STEREOVIEW == LOWORD(wParam))
-                {
-                    g_sOptions.bStereoView =! g_sOptions.bStereoView;
-
-                    HMENU menu = ::GetMenu(g_hDlg);
-                    if (g_sOptions.bStereoView) {
-                        ::ModifyMenu(menu,ID_TOOLS_STEREOVIEW,
-                            MF_BYCOMMAND | MF_CHECKED | MF_STRING,ID_TOOLS_STEREOVIEW,"Stereo view");
-
-                        CLogDisplay::Instance().AddEntry("[INFO] Switched to stereo mode",
-                            D3DCOLOR_ARGB(0xFF,0xFF,0xFF,0));
-                    } else {
-                        ModifyMenu(menu,ID_TOOLS_STEREOVIEW,
-                            MF_BYCOMMAND | MF_UNCHECKED | MF_STRING,ID_TOOLS_STEREOVIEW,"Stereo view");
-
-                        CLogDisplay::Instance().AddEntry("[INFO] Switched to mono mode",
-                            D3DCOLOR_ARGB(0xFF,0xFF,0xFF,0));
-                    }
-            } else if (ID_TOOLS_SETANGLELIMIT == LOWORD(wParam)) {
-                DialogBox(g_hInstance,MAKEINTRESOURCE(IDD_DIALOGSMOOTH),g_hDlg,&SMMessageProc);
-            } else if (ID_VIEWER_CLEARHISTORY == LOWORD(wParam)) {
-                ClearHistory();
-            } else if (ID_VIEWER_CLOSEASSET == LOWORD(wParam)) {
-                DeleteAssetData();
-                DeleteAsset();
-                }
-            else if (BN_CLICKED == HIWORD(wParam))
-                {
-                if (IDC_TOGGLEMS == LOWORD(wParam))
-                    {
-                    ToggleMS();
-                    }
-                else if (IDC_TOGGLEMAT == LOWORD(wParam))
-                    {
-                    ToggleMats();
-                    }
-                else if (IDC_LCOLOR1 == LOWORD(wParam))
-                    {
-
-                    if (CDisplay::VIEWMODE_TEXTURE == CDisplay::Instance().GetViewMode() ||
-                        CDisplay::VIEWMODE_MATERIAL == CDisplay::Instance().GetViewMode())
-                    {
-                        // hey, I'm tired and yes, I KNOW IT IS EVIL!
-                        DisplayColorDialog(const_cast<D3DXVECTOR4*>(CDisplay::Instance().GetFirstCheckerColor()));
-                        SaveCheckerPatternColors();
-                    }
-                    else
-                    {
-                        DisplayColorDialog(&g_avLightColors[0]);
-                        SaveLightColors();
-                    }
-                    InvalidateRect(GetDlgItem(g_hDlg,IDC_LCOLOR1),nullptr,TRUE);
-                    UpdateWindow(GetDlgItem(g_hDlg,IDC_LCOLOR1));
-                    }
-                else if (IDC_LCOLOR2 == LOWORD(wParam))
-                    {
-                    if (CDisplay::VIEWMODE_TEXTURE == CDisplay::Instance().GetViewMode() ||
-                        CDisplay::VIEWMODE_MATERIAL == CDisplay::Instance().GetViewMode())
-                    {
-                        // hey, I'm tired and yes, I KNOW IT IS EVIL!
-                        DisplayColorDialog(const_cast<D3DXVECTOR4*>(CDisplay::Instance().GetSecondCheckerColor()));
-                        SaveCheckerPatternColors();
-                    }
-                    else
-                    {
-                        DisplayColorDialog(&g_avLightColors[1]);
-                        SaveLightColors();
-                    }
-                    InvalidateRect(GetDlgItem(g_hDlg,IDC_LCOLOR2),nullptr,TRUE);
-                    UpdateWindow(GetDlgItem(g_hDlg,IDC_LCOLOR2));
-                    }
-                else if (IDC_LCOLOR3 == LOWORD(wParam))
-                    {
-                    DisplayColorDialog(&g_avLightColors[2]);
-                    InvalidateRect(GetDlgItem(g_hDlg,IDC_LCOLOR3),nullptr,TRUE);
-                    UpdateWindow(GetDlgItem(g_hDlg,IDC_LCOLOR3));
-                    SaveLightColors();
-                }
-                else if (IDC_LRESET == LOWORD(wParam))
-                {
-                    if (CDisplay::VIEWMODE_TEXTURE == CDisplay::Instance().GetViewMode() ||
-                        CDisplay::VIEWMODE_MATERIAL == CDisplay::Instance().GetViewMode())
-                    {
-                        CDisplay::Instance().SetFirstCheckerColor(D3DXVECTOR4(0.4f,0.4f,0.4f,1.0f));
-                        CDisplay::Instance().SetSecondCheckerColor(D3DXVECTOR4(0.6f,0.6f,0.6f,1.0f));
-                        SaveCheckerPatternColors();
-                    }
-                    else
-                    {
-                        g_avLightColors[0] = D3DCOLOR_ARGB(0xFF,0xFF,0xFF,0xFF);
-                        g_avLightColors[1] = D3DCOLOR_ARGB(0xFF,0xFF,0x00,0x00);
-                        g_avLightColors[2] = D3DCOLOR_ARGB(0xFF,0x05,0x05,0x05);
-                        SaveLightColors();
-                    }
-
-                    InvalidateRect(GetDlgItem(g_hDlg,IDC_LCOLOR1),nullptr,TRUE);
-                    UpdateWindow(GetDlgItem(g_hDlg,IDC_LCOLOR1));
-                    InvalidateRect(GetDlgItem(g_hDlg,IDC_LCOLOR2),nullptr,TRUE);
-                    UpdateWindow(GetDlgItem(g_hDlg,IDC_LCOLOR2));
-                    InvalidateRect(GetDlgItem(g_hDlg,IDC_LCOLOR3),nullptr,TRUE);
-                    UpdateWindow(GetDlgItem(g_hDlg,IDC_LCOLOR3));
-                    }
-                else if (IDC_NOSPECULAR == LOWORD(wParam))
-                    {
-                    ToggleSpecular();
-                    }
-                else if (IDC_NOAB == LOWORD(wParam))
-                    {
-                    ToggleTransparency();
-                    }
-                else if (IDC_ZOOM == LOWORD(wParam))
-                    {
-                    ToggleFPSView();
-                    }
-                else if (IDC_BLUBB == LOWORD(wParam))
-                    {
-                    ToggleUIState();
-                    }
-                else if (IDC_TOGGLENORMALS == LOWORD(wParam))
-                    {
-                    ToggleNormals();
-                    }
-                else if (IDC_LOWQUALITY == LOWORD(wParam))
-                    {
-                    ToggleLowQuality();
-                    }
-                else if (IDC_3LIGHTS == LOWORD(wParam))
-                    {
-                    ToggleMultipleLights();
-                    }
-                else if (IDC_LIGHTROTATE == LOWORD(wParam))
-                    {
-                    ToggleLightRotate();
-                    }
-                else if (IDC_AUTOROTATE == LOWORD(wParam))
-                    {
-                    ToggleAutoRotate();
-                    }
-                else if (IDC_TOGGLEWIRE == LOWORD(wParam))
-                    {
-                    ToggleWireFrame();
-                    }
-                else if (IDC_SHOWSKELETON == LOWORD(wParam))
-                    {
-                    ToggleSkeleton();
-                    }
-                else if (IDC_BFCULL == LOWORD(wParam))
-                    {
-                    ToggleCulling();
-                    }
-                else if (IDC_PLAY == LOWORD(wParam))
-                    {
-                        g_bPlay = !g_bPlay;
-                        SetDlgItemText(g_hDlg,IDC_PLAY,(g_bPlay ? "Stop" : "Play"));
-
-                        if (g_bPlay)
-                            EnableWindow(GetDlgItem(g_hDlg,IDC_SLIDERANIM),FALSE);
-                        else EnableWindow(GetDlgItem(g_hDlg,IDC_SLIDERANIM),TRUE);
-                    }
-                }
-            // check the file history
-            for (unsigned int i = 0; i < AI_VIEW_NUM_RECENT_FILES;++i)
-            {
-                if (AI_VIEW_RECENT_FILE_ID(i) == LOWORD(wParam))
-                {
-                    strcpy(g_szFileName,g_aPreviousFiles[i].c_str());
-                    DeleteAssetData();
-                    DeleteAsset();
-                    LoadAsset();
-
-                    // update and safe the history
-                    UpdateHistory();
-                    SaveHistory();
-                }
-            }
-
-#ifndef ASSIMP_BUILD_NO_EXPORT
-            if (LOWORD(wParam) >= AI_VIEW_EXPORT_FMT_BASE && LOWORD(wParam) < AI_VIEW_EXPORT_FMT_BASE+Assimp::Exporter().GetExportFormatCount()) {
-                DoExport(LOWORD(wParam) - AI_VIEW_EXPORT_FMT_BASE);
-            }
-#endif
-
-            // handle popup menus for the tree window
-            CDisplay::Instance().HandleTreeViewPopup(wParam,lParam);
-
-            return TRUE;
-        };
-    return FALSE;
-    }
-
-
-//-------------------------------------------------------------------------------
-// Message prcoedure for the progress dialog
-//-------------------------------------------------------------------------------
-INT_PTR CALLBACK ProgressMessageProc(HWND hwndDlg,UINT uMsg,
-     WPARAM wParam,LPARAM lParam)
-    {
-    UNREFERENCED_PARAMETER(lParam);
-    switch (uMsg)
-        {
-        case WM_INITDIALOG:
-
-            SendDlgItemMessage(hwndDlg,IDC_PROGRESS,PBM_SETRANGE,0,
-                MAKELPARAM(0,500));
-
-            SetTimer(hwndDlg,0,40,nullptr);
-            return TRUE;
-
-        case WM_CLOSE:
-            EndDialog(hwndDlg,0);
-            return TRUE;
-
-        case WM_COMMAND:
-
-            if (IDOK == LOWORD(wParam))
-                {
-#if 0
-                g_bLoadingCanceled = true;
-                TerminateThread(g_hThreadHandle,5);
-                g_pcAsset = nullptr;
-
-                EndDialog(hwndDlg,0);
-#endif
-
-                // PROBLEM: If we terminate the loader thread, ASSIMP's state
-                // is undefined. Any further attempts to load assets will
-                // fail.
-                exit(5);
-//              return TRUE;
-                }
-        case WM_TIMER:
-
-            UINT iPos = (UINT)SendDlgItemMessage(hwndDlg,IDC_PROGRESS,PBM_GETPOS,0,0);
-            iPos += 10;
-            if (iPos > 490)iPos = 0;
-            SendDlgItemMessage(hwndDlg,IDC_PROGRESS,PBM_SETPOS,iPos,0);
-
-            if (g_bLoadingFinished)
-                {
-                EndDialog(hwndDlg,0);
-                return TRUE;
-                }
-
-            return TRUE;
-        }
-    return FALSE;
-    }
-
-
-//-------------------------------------------------------------------------------
-// Message procedure for the about dialog
-//-------------------------------------------------------------------------------
-INT_PTR CALLBACK AboutMessageProc(HWND hwndDlg,UINT uMsg,
-    WPARAM wParam,LPARAM lParam)
-    {
-    UNREFERENCED_PARAMETER(lParam);
-    switch (uMsg)
-        {
-        case WM_CLOSE:
-            EndDialog(hwndDlg,0);
-            return TRUE;
-
-        case WM_COMMAND:
-
-            if (IDOK == LOWORD(wParam))
-                {
-                EndDialog(hwndDlg,0);
-                return TRUE;
-                }
-        }
-    return FALSE;
-    }
-}
-
-using namespace AssimpView;
-
-//-------------------------------------------------------------------------------
-// Entry point to the application
-//-------------------------------------------------------------------------------
-int APIENTRY _tWinMain(HINSTANCE hInstance,
-                       HINSTANCE hPrevInstance,
-                       LPTSTR    lpCmdLine,
-                       int       nCmdShow)
-{
-    UNREFERENCED_PARAMETER(hPrevInstance);
-    UNREFERENCED_PARAMETER(lpCmdLine);
-
-    // needed for the RichEdit control in the about/help dialog
-    LoadLibrary( "riched20.dll" );
-
-    // load windows common controls library to get XP style
-    InitCommonControls();
-
-    // initialize the IDirect3D9 interface
-    g_hInstance = hInstance;
-    if (0 == InitD3D()) {
-        MessageBox(nullptr,"Failed to initialize Direct3D 9",
-            "ASSIMP ModelViewer",MB_OK);
-        return -6;
-    }
-
-    // create the main dialog
-    HWND hDlg = CreateDialog(hInstance,MAKEINTRESOURCE(IDD_DIALOGMAIN),
-        nullptr,&MessageProc);
-
-    // ensure we get high priority
-    ::SetPriorityClass(GetCurrentProcess(),HIGH_PRIORITY_CLASS);
-
-    // initialize the default logger if necessary
-    Assimp::DefaultLogger::create("",Assimp::Logger::VERBOSE);
-
-    CLogWindow::Instance().pcStream = new CMyLogStream();
-    Assimp::DefaultLogger::get()->attachStream(CLogWindow::Instance().pcStream,
-        Assimp::DefaultLogger::Debugging | Assimp::DefaultLogger::Info |
-        Assimp::DefaultLogger::Err | Assimp::DefaultLogger::Warn);
-
-    if (nullptr == hDlg) {
-        MessageBox(nullptr,"Failed to create dialog from resource",
-            "ASSIMP ModelViewer",MB_OK);
-        return -5;
-    }
-
-    // display the window
-    g_hDlg = hDlg;
-    MSG uMsg;
-    memset(&uMsg,0,sizeof( MSG));
-    ShowWindow( hDlg, nCmdShow );
-    UpdateWindow( hDlg );
-
-    // create the D3D device object
-    if (0 == CreateDevice(g_sOptions.bMultiSample,false,true)) {
-        MessageBox(nullptr,"Failed to initialize Direct3D 9 (2)",
-            "ASSIMP ModelViewer",MB_OK);
-        return -4;
-    }
-
-    CLogDisplay::Instance().AddEntry("[OK] Here we go!");
-
-    // create the log window
-    CLogWindow::Instance().Init();
-    // set the focus to the main window
-    SetFocus(g_hDlg);
-
-    // recover background skyboxes/textures from the last session
-    HKEY hRegistry;
-    union {
-        char szFileName[MAX_PATH];
-        D3DCOLOR clrColor;
-    };
-    DWORD dwTemp = MAX_PATH;
-    RegCreateKeyEx(HKEY_CURRENT_USER,
-        "Software\\ASSIMP\\Viewer",0,nullptr,0,KEY_ALL_ACCESS, nullptr, &hRegistry,nullptr);
-    if(ERROR_SUCCESS == RegQueryValueEx(hRegistry,"LastSkyBoxSrc",nullptr,nullptr,
-        (BYTE*)szFileName,&dwTemp) && '\0' != szFileName[0])
-        {
-        CBackgroundPainter::Instance().SetCubeMapBG(szFileName);
-        }
-    else if(ERROR_SUCCESS == RegQueryValueEx(hRegistry,"LastTextureSrc",nullptr,nullptr,
-        (BYTE*)szFileName,&dwTemp) && '\0' != szFileName[0])
-        {
-        CBackgroundPainter::Instance().SetTextureBG(szFileName);
-        }
-    else if(ERROR_SUCCESS == RegQueryValueEx(hRegistry,"Color",nullptr,nullptr,
-        (BYTE*)&clrColor,&dwTemp))
-        {
-        CBackgroundPainter::Instance().SetColor(clrColor);
-        }
-    RegCloseKey(hRegistry);
-
-    // now handle command line arguments
-    HandleCommandLine(lpCmdLine);
-
-    double adLast[30];
-    for (int i = 0; i < 30;++i)adLast[i] = 0.0f;
-    int iCurrent = 0;
-
-    double g_dCurTime = 0;
-    double g_dLastTime = 0;
-    while( uMsg.message != WM_QUIT )
-        {
-        if( PeekMessage( &uMsg, nullptr, 0, 0, PM_REMOVE ) )
-            {
-            TranslateMessage( &uMsg );
-            DispatchMessage( &uMsg );
-
-            if (WM_CHAR == uMsg.message)
-                {
-
-                switch ((char)uMsg.wParam)
-                    {
-                    case 'M':
-                    case 'm':
-
-                        CheckDlgButton(g_hDlg,IDC_TOGGLEMS,
-                            IsDlgButtonChecked(g_hDlg,IDC_TOGGLEMS) == BST_CHECKED
-                            ? BST_UNCHECKED : BST_CHECKED);
-
-                        ToggleMS();
-                        break;
-
-                    case 'L':
-                    case 'l':
-
-                        CheckDlgButton(g_hDlg,IDC_3LIGHTS,
-                            IsDlgButtonChecked(g_hDlg,IDC_3LIGHTS) == BST_CHECKED
-                            ? BST_UNCHECKED : BST_CHECKED);
-
-                        ToggleMultipleLights();
-                        break;
-
-                    case 'P':
-                    case 'p':
-
-                        CheckDlgButton(g_hDlg,IDC_LOWQUALITY,
-                            IsDlgButtonChecked(g_hDlg,IDC_LOWQUALITY) == BST_CHECKED
-                            ? BST_UNCHECKED : BST_CHECKED);
-
-                        ToggleLowQuality();
-                        break;
-
-                    case 'D':
-                    case 'd':
-
-                        CheckDlgButton(g_hDlg,IDC_TOGGLEMAT,
-                            IsDlgButtonChecked(g_hDlg,IDC_TOGGLEMAT) == BST_CHECKED
-                            ? BST_UNCHECKED : BST_CHECKED);
-
-                        ToggleMats();
-                        break;
-
-
-                    case 'N':
-                    case 'n':
-
-                        CheckDlgButton(g_hDlg,IDC_TOGGLENORMALS,
-                            IsDlgButtonChecked(g_hDlg,IDC_TOGGLENORMALS) == BST_CHECKED
-                            ? BST_UNCHECKED : BST_CHECKED);
-                        ToggleNormals();
-                        break;
-
-
-                    case 'S':
-                    case 's':
-
-                        CheckDlgButton(g_hDlg,IDC_NOSPECULAR,
-                            IsDlgButtonChecked(g_hDlg,IDC_NOSPECULAR) == BST_CHECKED
-                            ? BST_UNCHECKED : BST_CHECKED);
-
-                        ToggleSpecular();
-                        break;
-
-                    case 'A':
-                    case 'a':
-
-                        CheckDlgButton(g_hDlg,IDC_AUTOROTATE,
-                            IsDlgButtonChecked(g_hDlg,IDC_AUTOROTATE) == BST_CHECKED
-                            ? BST_UNCHECKED : BST_CHECKED);
-
-                        ToggleAutoRotate();
-                        break;
-
-
-                    case 'R':
-                    case 'r':
-
-                        CheckDlgButton(g_hDlg,IDC_LIGHTROTATE,
-                            IsDlgButtonChecked(g_hDlg,IDC_LIGHTROTATE) == BST_CHECKED
-                            ? BST_UNCHECKED : BST_CHECKED);
-
-                        ToggleLightRotate();
-                        break;
-
-                    case 'Z':
-                    case 'z':
-
-                        CheckDlgButton(g_hDlg,IDC_ZOOM,
-                            IsDlgButtonChecked(g_hDlg,IDC_ZOOM) == BST_CHECKED
-                            ? BST_UNCHECKED : BST_CHECKED);
-
-                        ToggleFPSView();
-                        break;
-
-
-                    case 'W':
-                    case 'w':
-
-                        CheckDlgButton(g_hDlg,IDC_TOGGLEWIRE,
-                            IsDlgButtonChecked(g_hDlg,IDC_TOGGLEWIRE) == BST_CHECKED
-                            ? BST_UNCHECKED : BST_CHECKED);
-
-                        ToggleWireFrame();
-                        break;
-
-                    case 'K':
-                    case 'k':
-
-                        CheckDlgButton(g_hDlg,IDC_SHOWSKELETON,
-                            IsDlgButtonChecked(g_hDlg,IDC_SHOWSKELETON) == BST_CHECKED
-                            ? BST_UNCHECKED : BST_CHECKED);
-
-                        ToggleSkeleton();
-                        break;
-
-                    case 'C':
-                    case 'c':
-
-                        CheckDlgButton(g_hDlg,IDC_BFCULL,
-                            IsDlgButtonChecked(g_hDlg,IDC_BFCULL) == BST_CHECKED
-                            ? BST_UNCHECKED : BST_CHECKED);
-
-                        ToggleCulling();
-                        break;
-
-                    case 'T':
-                    case 't':
-
-                        CheckDlgButton(g_hDlg,IDC_NOAB,
-                            IsDlgButtonChecked(g_hDlg,IDC_NOAB) == BST_CHECKED
-                            ? BST_UNCHECKED : BST_CHECKED);
-
-                        ToggleTransparency();
-                        break;
-                    }
-                }
-            }
-
-
-        // render the scene
-        CDisplay::Instance().OnRender();
-
-        // measure FPS, average it out
-        g_dCurTime     = timeGetTime();
-        g_fElpasedTime = (float)((g_dCurTime - g_dLastTime) * 0.001);
-        g_dLastTime    = g_dCurTime;
-
-        adLast[iCurrent++] = 1.0f / g_fElpasedTime;
-
-        double dFPS = 0.0;
-        for (int i = 0; i < 30; ++i) {
-            dFPS += adLast[ i ];
-        }
-        dFPS /= 30.0;
-
-        if (30 == iCurrent) {
-            iCurrent = 0;
-            if (dFPS != g_fFPS) {
-                g_fFPS = dFPS;
-                char szOut[256];
-
-                sprintf(szOut,"%i",(int)floorf((float)dFPS+0.5f));
-                SetDlgItemText(g_hDlg,IDC_EFPS,szOut);
-            }
-        }
-    }
-    DeleteAsset();
-    Assimp::DefaultLogger::kill();
-    ShutdownDevice();
-    ShutdownD3D();
-
-    return 0;
-}