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Diffstat (limited to 'source/gameengine/Converter/BL_MeshDeformer.cpp')
| -rw-r--r-- | source/gameengine/Converter/BL_MeshDeformer.cpp | 165 |
1 files changed, 165 insertions, 0 deletions
diff --git a/source/gameengine/Converter/BL_MeshDeformer.cpp b/source/gameengine/Converter/BL_MeshDeformer.cpp new file mode 100644 index 00000000000..3aa4287478d --- /dev/null +++ b/source/gameengine/Converter/BL_MeshDeformer.cpp @@ -0,0 +1,165 @@ +/** + * $Id$ + * + * ***** BEGIN GPL/BL DUAL LICENSE BLOCK ***** + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. The Blender + * Foundation also sells licenses for use in proprietary software under + * the Blender License. See http://www.blender.org/BL/ for information + * about this. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software Foundation, + * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + * + * The Original Code is Copyright (C) 2001-2002 by NaN Holding BV. + * All rights reserved. + * + * The Original Code is: all of this file. + * + * Contributor(s): none yet. + * + * ***** END GPL/BL DUAL LICENSE BLOCK ***** + * Simple deformation controller that restores a mesh to its rest position + */ + +#ifdef WIN32 +// This warning tells us about truncation of __long__ stl-generated names. +// It can occasionally cause DevStudio to have internal compiler warnings. +#pragma warning( disable : 4786 ) +#endif + +#include "RAS_IPolygonMaterial.h" +#include "BL_MeshDeformer.h" +#include "BL_SkinMeshObject.h" +#include "DNA_mesh_types.h" +#include "BLI_arithb.h" + +#include "GEN_Map.h" +#include "STR_HashedString.h" + + +bool BL_MeshDeformer::Apply(RAS_IPolyMaterial *mat) +{ + int i, j, index; + vecVertexArray array; + vecIndexArrays mvarray; + vecIndexArrays diarray; + float co[3]; + + RAS_TexVert *tv; + MVert *mvert; + + // For each material + array = m_pMeshObject->GetVertexCache(mat); + mvarray = m_pMeshObject->GetMVertCache(mat); + diarray = m_pMeshObject->GetDIndexCache(mat); + + // For each array + for (i=0; i<array.size(); i++){ + // For each vertex + for (j=0; j<array[i]->size(); j++){ + tv = &((*array[i])[j]); + MT_Point3 pt = tv->xyz(); + + index = ((*diarray[i])[j]); + + mvert = &(m_bmesh->mvert[((*mvarray[i])[index])]); + // Do the nasty (in this case, copy the untransformed data from the blender mesh) + co[0]=mvert->co[0]; + co[1]=mvert->co[1]; + co[2]=mvert->co[2]; + + pt[0] = co[0]; + pt[1] = co[1]; + pt[2] = co[2]; + + tv->SetXYZ(pt); + } + } + return true; +} + +BL_MeshDeformer::~BL_MeshDeformer() +{ + if (m_transverts) + delete []m_transverts; + if (m_transnors) + delete []m_transnors; +}; + +void BL_MeshDeformer::RecalcNormals() +{ + int v, f; + float fnor[3], co1[3], co2[3], co3[3], co4[3]; + + /* Clear all vertex normal accumulators */ + for (v =0; v<m_bmesh->totvert; v++){ + m_transnors[v]=MT_Point3(0,0,0); + } + + /* Find the face normals */ + for (f = 0; f<m_bmesh->totface; f++){ + // Make new face normal based on the transverts + MFace *mf= &((MFace*)m_bmesh->mface)[f]; + + if (mf->v3) { + for (int vl=0; vl<3; vl++){ + co1[vl]=m_transverts[mf->v1][vl]; + co2[vl]=m_transverts[mf->v2][vl]; + co3[vl]=m_transverts[mf->v3][vl]; + if (mf->v4) + co4[vl]=m_transverts[mf->v4][vl]; + } + + /* FIXME: Use moto */ + if (mf->v4) + CalcNormFloat4(co1, co2, co3, co4, fnor); + else + CalcNormFloat(co1, co2, co3, fnor); + + /* Decide which normals are affected by this face's normal */ + m_transnors[mf->v1]+=MT_Point3(fnor); + m_transnors[mf->v2]+=MT_Point3(fnor); + m_transnors[mf->v3]+=MT_Point3(fnor); + if (mf->v4) + m_transnors[mf->v4]+=MT_Point3(fnor); + + } + + } + + for (v =0; v<m_bmesh->totvert; v++){ + float nor[3]; + + m_transnors[v]=m_transnors[v].safe_normalized(); + nor[0]=m_transnors[v][0]; + nor[1]=m_transnors[v][1]; + nor[2]=m_transnors[v][2]; + + }; +} + +void BL_MeshDeformer::VerifyStorage() +{ + /* Ensure that we have the right number of verts assigned */ + if (m_tvtot!=m_bmesh->totvert+m_bmesh->totface){ + if (m_transverts) + delete []m_transverts; + if (m_transnors) + delete []m_transnors; + + m_transnors =new MT_Point3[m_bmesh->totvert+m_bmesh->totface]; + m_transverts=new MT_Point3[m_bmesh->totvert]; + m_tvtot = m_bmesh->totvert; + } +} +
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