diff options
Diffstat (limited to 'source/gameengine/Converter/BL_MeshDeformer.cpp')
| -rw-r--r-- | source/gameengine/Converter/BL_MeshDeformer.cpp | 160 |
1 files changed, 108 insertions, 52 deletions
diff --git a/source/gameengine/Converter/BL_MeshDeformer.cpp b/source/gameengine/Converter/BL_MeshDeformer.cpp index ab31179b047..212827a660f 100644 --- a/source/gameengine/Converter/BL_MeshDeformer.cpp +++ b/source/gameengine/Converter/BL_MeshDeformer.cpp @@ -43,27 +43,25 @@ #include "BL_SkinMeshObject.h" #include "DNA_mesh_types.h" #include "DNA_meshdata_types.h" -#include "BLI_arithb.h" #include "GEN_Map.h" #include "STR_HashedString.h" - bool BL_MeshDeformer::Apply(RAS_IPolyMaterial *mat) { size_t i, j, index; vecVertexArray array; vecIndexArrays mvarray; vecIndexArrays diarray; - + 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 @@ -81,9 +79,9 @@ bool BL_MeshDeformer::Apply(RAS_IPolyMaterial *mat) BL_MeshDeformer::~BL_MeshDeformer() { if (m_transverts) - delete []m_transverts; + delete [] m_transverts; if (m_transnors) - delete []m_transnors; + delete [] m_transnors; }; /** @@ -91,65 +89,123 @@ BL_MeshDeformer::~BL_MeshDeformer() */ void BL_MeshDeformer::RecalcNormals() { - int v, f; - float fnor[3], co1[3], co2[3], co3[3], co4[3]; + /* We don't normalize for performance, not doing it for faces normals + * gives area-weight normals which often look better anyway, and use + * GL_NORMALIZE so we don't have to do per vertex normalization either + * since the GPU can do it faster + * + * There's a lot of indirection here to get to the data, can this work + * with less arrays/indirection? */ - /* 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]; + vecIndexArrays indexarrays; + vecIndexArrays mvarrays; + vecIndexArrays diarrays; + vecVertexArray vertexarrays; + size_t i, j; + + /* set vertex normals to zero */ + for (i=0; i<(size_t)m_bmesh->totvert; i++) + m_transnors[i] = MT_Vector3(0.0f, 0.0f, 0.0f); + + /* add face normals to vertices. */ + for(RAS_MaterialBucket::Set::iterator mit = m_pMeshObject->GetFirstMaterial(); + mit != m_pMeshObject->GetLastMaterial(); ++ mit) { + RAS_IPolyMaterial *mat = (*mit)->GetPolyMaterial(); + + indexarrays = m_pMeshObject->GetIndexCache(mat); + vertexarrays = m_pMeshObject->GetVertexCache(mat); + diarrays = m_pMeshObject->GetDIndexCache(mat); + mvarrays = m_pMeshObject->GetMVertCache(mat); + + for (i=0; i<indexarrays.size(); i++) { + KX_VertexArray& vertexarray = (*vertexarrays[i]); + const KX_IndexArray& mvarray = (*mvarrays[i]); + const KX_IndexArray& diarray = (*diarrays[i]); + const KX_IndexArray& indexarray = (*indexarrays[i]); + int nvert = mat->UsesTriangles()? 3: 4; + + for(j=0; j<indexarray.size(); j+=nvert) { + MT_Point3 mv1, mv2, mv3, mv4, fnor; + int i1 = indexarray[j]; + int i2 = indexarray[j+1]; + int i3 = indexarray[j+2]; + RAS_TexVert& v1 = vertexarray[i1]; + RAS_TexVert& v2 = vertexarray[i2]; + RAS_TexVert& v3 = vertexarray[i3]; + + /* compute face normal */ + mv1 = MT_Point3(v1.getLocalXYZ()); + mv2 = MT_Point3(v2.getLocalXYZ()); + mv3 = MT_Point3(v3.getLocalXYZ()); + + if(nvert == 4) { + int i4 = indexarray[j+3]; + RAS_TexVert& v4 = vertexarray[i4]; + mv4 = MT_Point3(v4.getLocalXYZ()); + + fnor = (((mv2-mv1).cross(mv3-mv2))+((mv4-mv3).cross(mv1-mv4))); //.safe_normalized(); + } + else + fnor = ((mv2-mv1).cross(mv3-mv2)); //.safe_normalized(); + + /* add to vertices for smooth normals */ + m_transnors[mvarray[diarray[i1]]] += fnor; + m_transnors[mvarray[diarray[i2]]] += fnor; + m_transnors[mvarray[diarray[i3]]] += fnor; + + /* in case of flat - just assign, the vertices are split */ + if(v1.getFlag() & TV_CALCFACENORMAL) { + v1.SetNormal(fnor); + v2.SetNormal(fnor); + v3.SetNormal(fnor); + } + + if(nvert == 4) { + int i4 = indexarray[j+3]; + RAS_TexVert& v4 = vertexarray[i4]; + + /* same as above */ + m_transnors[mvarray[diarray[i4]]] += fnor; + + if(v4.getFlag() & TV_CALCFACENORMAL) + v4.SetNormal(fnor); + } } + } + } - /* 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); + /* assign smooth vertex normals */ + for(RAS_MaterialBucket::Set::iterator mit = m_pMeshObject->GetFirstMaterial(); + mit != m_pMeshObject->GetLastMaterial(); ++ mit) { + RAS_IPolyMaterial *mat = (*mit)->GetPolyMaterial(); + + vertexarrays = m_pMeshObject->GetVertexCache(mat); + diarrays = m_pMeshObject->GetDIndexCache(mat); + mvarrays = m_pMeshObject->GetMVertCache(mat); + + for (i=0; i<vertexarrays.size(); i++) { + KX_VertexArray& vertexarray = (*vertexarrays[i]); + const KX_IndexArray& mvarray = (*mvarrays[i]); + const KX_IndexArray& diarray = (*diarrays[i]); + + for(j=0; j<vertexarray.size(); j++) + if(!(vertexarray[j].getFlag() & TV_CALCFACENORMAL)) + vertexarray[j].SetNormal(m_transnors[mvarray[diarray[j]]]); //.safe_normalized() } } - - 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_tvtot!=m_bmesh->totvert){ if (m_transverts) - delete []m_transverts; + delete [] m_transverts; if (m_transnors) - delete []m_transnors; + delete [] m_transnors; - m_transnors =new MT_Point3[m_bmesh->totvert+m_bmesh->totface]; m_transverts=new float[(sizeof(*m_transverts)*m_bmesh->totvert)][3]; + m_transnors=new MT_Vector3[m_bmesh->totvert]; m_tvtot = m_bmesh->totvert; } } |