NvCloth 1.1.4 Release. (24070740)

1 files changed, 206 insertions, 0 deletions

diff --git a/NvCloth/samples/external/assimp-4.1.0/code/BlenderBMesh.cpp b/NvCloth/samples/external/assimp-4.1.0/code/BlenderBMesh.cpp
new file mode 100644
index 0000000..8a13819
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+++ b/NvCloth/samples/external/assimp-4.1.0/code/BlenderBMesh.cpp
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+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2013, assimp team
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+  copyright notice, this list of conditions and the
+  following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the
+  following disclaimer in the documentation and/or other
+  materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+  contributors may be used to endorse or promote products
+  derived from this software without specific prior
+  written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+
+/** @file  BlenderBMesh.cpp
+ *  @brief Conversion of Blender's new BMesh stuff
+ */
+
+
+#ifndef ASSIMP_BUILD_NO_BLEND_IMPORTER
+
+#include "BlenderDNA.h"
+#include "BlenderScene.h"
+#include "BlenderBMesh.h"
+#include "BlenderTessellator.h"
+
+namespace Assimp
+{
+    template< > const char* LogFunctions< BlenderBMeshConverter >::Prefix()
+    {
+        static auto prefix = "BLEND_BMESH: ";
+        return prefix;
+    }
+}
+
+using namespace Assimp;
+using namespace Assimp::Blender;
+using namespace Assimp::Formatter;
+
+// ------------------------------------------------------------------------------------------------
+BlenderBMeshConverter::BlenderBMeshConverter( const Mesh* mesh ):
+    BMesh( mesh ),
+    triMesh( NULL )
+{
+}
+
+// ------------------------------------------------------------------------------------------------
+BlenderBMeshConverter::~BlenderBMeshConverter( )
+{
+    DestroyTriMesh( );
+}
+
+// ------------------------------------------------------------------------------------------------
+bool BlenderBMeshConverter::ContainsBMesh( ) const
+{
+    // TODO - Should probably do some additional verification here
+    return BMesh->totpoly && BMesh->totloop && BMesh->totvert;
+}
+
+// ------------------------------------------------------------------------------------------------
+const Mesh* BlenderBMeshConverter::TriangulateBMesh( )
+{
+    AssertValidMesh( );
+    AssertValidSizes( );
+    PrepareTriMesh( );
+
+    for ( int i = 0; i < BMesh->totpoly; ++i )
+    {
+        const MPoly& poly = BMesh->mpoly[ i ];
+        ConvertPolyToFaces( poly );
+    }
+
+    return triMesh;
+}
+
+// ------------------------------------------------------------------------------------------------
+void BlenderBMeshConverter::AssertValidMesh( )
+{
+    if ( !ContainsBMesh( ) )
+    {
+        ThrowException( "BlenderBMeshConverter requires a BMesh with \"polygons\" - please call BlenderBMeshConverter::ContainsBMesh to check this first" );
+    }
+}
+
+// ------------------------------------------------------------------------------------------------
+void BlenderBMeshConverter::AssertValidSizes( )
+{
+    if ( BMesh->totpoly != static_cast<int>( BMesh->mpoly.size( ) ) )
+    {
+        ThrowException( "BMesh poly array has incorrect size" );
+    }
+    if ( BMesh->totloop != static_cast<int>( BMesh->mloop.size( ) ) )
+    {
+        ThrowException( "BMesh loop array has incorrect size" );
+    }
+}
+
+// ------------------------------------------------------------------------------------------------
+void BlenderBMeshConverter::PrepareTriMesh( )
+{
+    if ( triMesh )
+    {
+        DestroyTriMesh( );
+    }
+
+    triMesh = new Mesh( *BMesh );
+    triMesh->totface = 0;
+    triMesh->mface.clear( );
+}
+
+// ------------------------------------------------------------------------------------------------
+void BlenderBMeshConverter::DestroyTriMesh( )
+{
+    delete triMesh;
+    triMesh = NULL;
+}
+
+// ------------------------------------------------------------------------------------------------
+void BlenderBMeshConverter::ConvertPolyToFaces( const MPoly& poly )
+{
+    const MLoop* polyLoop = &BMesh->mloop[ poly.loopstart ];
+
+    if ( poly.totloop == 3 || poly.totloop == 4 )
+    {
+        AddFace( polyLoop[ 0 ].v, polyLoop[ 1 ].v, polyLoop[ 2 ].v, poly.totloop == 4 ? polyLoop[ 3 ].v : 0 );
+
+        // UVs are optional, so only convert when present.
+        if ( BMesh->mloopuv.size() )
+        {
+            if ( (poly.loopstart + poly.totloop ) > static_cast<int>( BMesh->mloopuv.size() ) )
+            {
+                ThrowException( "BMesh uv loop array has incorrect size" );
+            }
+            const MLoopUV* loopUV = &BMesh->mloopuv[ poly.loopstart ];
+            AddTFace( loopUV[ 0 ].uv, loopUV[ 1 ].uv, loopUV[ 2 ].uv, poly.totloop == 4 ? loopUV[ 3 ].uv : 0 );
+        }
+    }
+    else if ( poly.totloop > 4 )
+    {
+#if ASSIMP_BLEND_WITH_GLU_TESSELLATE
+        BlenderTessellatorGL tessGL( *this );
+        tessGL.Tessellate( polyLoop, poly.totloop, triMesh->mvert );
+#elif ASSIMP_BLEND_WITH_POLY_2_TRI
+        BlenderTessellatorP2T tessP2T( *this );
+        tessP2T.Tessellate( polyLoop, poly.totloop, triMesh->mvert );
+#endif
+    }
+}
+
+// ------------------------------------------------------------------------------------------------
+void BlenderBMeshConverter::AddFace( int v1, int v2, int v3, int v4 )
+{
+    MFace face;
+    face.v1 = v1;
+    face.v2 = v2;
+    face.v3 = v3;
+    face.v4 = v4;
+    // TODO - Work out how materials work
+    face.mat_nr = 0;
+    triMesh->mface.push_back( face );
+    triMesh->totface = static_cast<int>(triMesh->mface.size( ));
+}
+
+// ------------------------------------------------------------------------------------------------
+void BlenderBMeshConverter::AddTFace( const float* uv1, const float *uv2, const float *uv3, const float* uv4 )
+{
+    MTFace mtface;
+    memcpy( &mtface.uv[ 0 ], uv1, sizeof(float) * 2 );
+    memcpy( &mtface.uv[ 1 ], uv2, sizeof(float) * 2 );
+    memcpy( &mtface.uv[ 2 ], uv3, sizeof(float) * 2 );
+
+    if ( uv4 )
+    {
+        memcpy( &mtface.uv[ 3 ], uv4, sizeof(float) * 2 );
+    }
+
+    triMesh->mtface.push_back( mtface );
+}
+
+#endif // ASSIMP_BUILD_NO_BLEND_IMPORTER