diff options
Diffstat (limited to 'source/gameengine/Converter/BL_SkinDeformer.cpp')
| -rw-r--r-- | source/gameengine/Converter/BL_SkinDeformer.cpp | 167 |
1 files changed, 144 insertions, 23 deletions
diff --git a/source/gameengine/Converter/BL_SkinDeformer.cpp b/source/gameengine/Converter/BL_SkinDeformer.cpp index 34f9cb56c27..3a379e8b0ed 100644 --- a/source/gameengine/Converter/BL_SkinDeformer.cpp +++ b/source/gameengine/Converter/BL_SkinDeformer.cpp @@ -36,6 +36,10 @@ #pragma warning (disable : 4786) #endif //WIN32 +// Eigen2 stuff used for BGEDeformVerts +#include <Eigen/Core> +#include <Eigen/LU> + #include "BL_SkinDeformer.h" #include "CTR_Map.h" #include "STR_HashedString.h" @@ -54,6 +58,7 @@ extern "C"{ #include "BKE_lattice.h" + #include "BKE_deform.h" } @@ -74,7 +79,9 @@ BL_SkinDeformer::BL_SkinDeformer(BL_DeformableGameObject *gameobj, //m_defbase(&bmeshobj->defbase), m_releaseobject(false), m_poseApplied(false), - m_recalcNormal(true) + m_recalcNormal(true), + m_copyNormals(false), + m_dfnrToPC(NULL) { copy_m4_m4(m_obmat, bmeshobj->obmat); }; @@ -92,7 +99,9 @@ BL_SkinDeformer::BL_SkinDeformer( m_lastArmaUpdate(-1), //m_defbase(&bmeshobj_old->defbase), m_releaseobject(release_object), - m_recalcNormal(recalc_normal) + m_recalcNormal(recalc_normal), + m_copyNormals(false), + m_dfnrToPC(NULL) { // this is needed to ensure correct deformation of mesh: // the deformation is done with Blender's armature_deform_verts() function @@ -106,6 +115,8 @@ BL_SkinDeformer::~BL_SkinDeformer() { if(m_releaseobject && m_armobj) m_armobj->Release(); + if(m_dfnrToPC) + delete [] m_dfnrToPC; } void BL_SkinDeformer::Relink(CTR_Map<class CTR_HashedPtr, void*>*map) @@ -152,9 +163,14 @@ bool BL_SkinDeformer::Apply(RAS_IPolyMaterial *mat) for(i=it.startvertex; i<it.endvertex; i++) { RAS_TexVert& v = it.vertex[i]; v.SetXYZ(m_transverts[v.getOrigIndex()]); + if (m_copyNormals) + v.SetNormal(m_transnors[v.getOrigIndex()]); } } } + + if (m_copyNormals) + m_copyNormals = false; } return true; } @@ -174,19 +190,126 @@ void BL_SkinDeformer::ProcessReplica() BL_MeshDeformer::ProcessReplica(); m_lastArmaUpdate = -1; m_releaseobject = false; + m_dfnrToPC = NULL; +} + +void BL_SkinDeformer::BlenderDeformVerts() +{ + float obmat[4][4]; // the original object matrix + Object* par_arma = m_armobj->GetArmatureObject(); + + // save matrix first + copy_m4_m4(obmat, m_objMesh->obmat); + // set reference matrix + copy_m4_m4(m_objMesh->obmat, m_obmat); + + armature_deform_verts( par_arma, m_objMesh, NULL, m_transverts, NULL, m_bmesh->totvert, ARM_DEF_VGROUP, NULL, NULL ); + + // restore matrix + copy_m4_m4(m_objMesh->obmat, obmat); + +#ifdef __NLA_DEFNORMALS + if (m_recalcNormal) + RecalcNormals(); +#endif +} + +void BL_SkinDeformer::BGEDeformVerts() +{ + Object *par_arma = m_armobj->GetArmatureObject(); + MDeformVert *dverts = m_bmesh->dvert; + bDeformGroup *dg; + int numGroups = BLI_countlist(&m_objMesh->defbase); + + if (!dverts) + return; + + if (m_dfnrToPC == NULL) + { + m_dfnrToPC = new bPoseChannel*[numGroups]; + int i; + for (i=0, dg=(bDeformGroup*)m_objMesh->defbase.first; + dg; + ++i, dg=(bDeformGroup*)dg->next) + { + m_dfnrToPC[i] = get_pose_channel(par_arma->pose, dg->name); + + if (m_dfnrToPC[i] && m_dfnrToPC[i]->bone->flag & BONE_NO_DEFORM) + m_dfnrToPC[i] = NULL; + } + } + + + for (int i=0; i<m_bmesh->totvert; ++i) + { + float contrib = 0.f, weight, max_weight=0.f; + Bone *bone; + bPoseChannel *pchan=NULL; + MDeformVert *dvert; + Eigen::Map<Eigen::Vector3f> norm(m_transnors[i]); + Eigen::Vector4f vec(0, 0, 0, 1); + Eigen::Matrix4f norm_chan_mat; + Eigen::Vector4f co(m_transverts[i][0], + m_transverts[i][1], + m_transverts[i][2], + 1.f); + + dvert = dverts+i; + + if (!dvert->totweight) + continue; + + for (int j=0; j<dvert->totweight; ++j) + { + int index = dvert->dw[j].def_nr; + + if (index < numGroups && (pchan=m_dfnrToPC[index])) + { + weight = dvert->dw[j].weight; + bone = pchan->bone; + + if (weight) + { + Eigen::Vector4f cop(co); + Eigen::Matrix4f chan_mat = Eigen::Matrix4f::Map((float*)pchan->chan_mat); + + // Update Vertex Position + cop = chan_mat*cop; + vec += (cop - co)*weight; + + // Save the most influential channel so we can use it to update the vertex normal + if (weight > max_weight) + { + max_weight = weight; + norm_chan_mat = chan_mat; + } + + contrib += weight; + } + } + } + + + // Update Vertex Normal + norm = norm_chan_mat.corner<3, 3>(Eigen::TopLeft)*norm; + + if (contrib > 0.0001f) + { + vec *= 1.f/contrib; + co += vec; + } + + m_transverts[i][0] = co[0]; + m_transverts[i][1] = co[1]; + m_transverts[i][2] = co[2]; + } + m_copyNormals = true; } -//void where_is_pose (Object *ob); -//void armature_deform_verts(Object *armOb, Object *target, float (*vertexCos)[3], int numVerts, int deformflag); bool BL_SkinDeformer::UpdateInternal(bool shape_applied) { /* See if the armature has been updated for this frame */ if (PoseUpdated()){ - float obmat[4][4]; // the original object matrice - - /* XXX note: where_is_pose() (from BKE_armature.h) calculates all matrices needed to start deforming */ - /* but it requires the blender object pointer... */ - Object* par_arma = m_armobj->GetArmatureObject(); if(!shape_applied) { /* store verts locally */ @@ -194,25 +317,23 @@ bool BL_SkinDeformer::UpdateInternal(bool shape_applied) /* duplicate */ for (int v =0; v<m_bmesh->totvert; v++) + { VECCOPY(m_transverts[v], m_bmesh->mvert[v].co); + VECCOPY(m_transnors[v], m_bmesh->mvert[v].no); + } } m_armobj->ApplyPose(); - // save matrix first - copy_m4_m4(obmat, m_objMesh->obmat); - // set reference matrix - copy_m4_m4(m_objMesh->obmat, m_obmat); - - armature_deform_verts( par_arma, m_objMesh, NULL, m_transverts, NULL, m_bmesh->totvert, ARM_DEF_VGROUP, NULL, NULL ); - - // restore matrix - copy_m4_m4(m_objMesh->obmat, obmat); - -#ifdef __NLA_DEFNORMALS - if (m_recalcNormal) - RecalcNormals(); -#endif + switch (m_armobj->GetVertDeformType()) + { + case ARM_VDEF_BGE_CPU: + BGEDeformVerts(); + break; + case ARM_VDEF_BLENDER: + default: + BlenderDeformVerts(); + } /* Update the current frame */ m_lastArmaUpdate=m_armobj->GetLastFrame(); |