/*=========================================================================
EXPMODEL.CPP
Author: Tim Swann @ CLIMAX
Created:
Project:
Purpose:
Copyright (c) 1998 Climax Development Ltd
===========================================================================*/
/*----------------------------------------------------------------------
Includes
-------- */
#include "AsciiExp.h"
/* Std Lib
------- */
/* Glib
---- */
/* Local
----- */
/* Graphics
-------- */
/*----------------------------------------------------------------------
Tyepdefs && Defines
------------------- */
/*----------------------------------------------------------------------
Structure defintions
-------------------- */
/*----------------------------------------------------------------------
Positional Vars
--------------- */
/*----------------------------------------------------------------------
Function Prototypes
------------------- */
/*----------------------------------------------------------------------
Vars
---- */
/*----------------------------------------------------------------------
Data
---- */
/*----------------------------------------------------------------------
Function:
Purpose:
Params:
Returns:
---------------------------------------------------------------------- */
void AsciiExp::ExportModel(INode* node)
{
ObjectState os = node->EvalWorldState( ip->GetAnimRange().Start() );
char nodeName[256];
// Targets are actually geomobjects, but we will export them
// from the camera and light objects, so we skip them here.
if (os.obj->ClassID() == Class_ID(TARGET_CLASS_ID, 0)) return;
ip->ProgressUpdate(0,0,"Export Model0");
sprintf(nodeName, "%s", node->GetName());
strupr(nodeName);
if (nodeName[0] != 'R' ||
nodeName[1] != 'O' ||
nodeName[2] != 'O' ||
nodeName[3] != 'T')
{
ip->ProgressUpdate(0,0,"Export ModelRoot");
WriteChunkHdr( (char*)OBJ_ID, 0 );
fwrite(&totFrames, sizeof(int), 1, expStream);
fwrite(nodeName, MAX_NAME_LENGTH, 1, expStream);
ip->ProgressUpdate(0,0,"Export Model-Mesh");
ExportMesh( node );
}
}
/*----------------------------------------------------------------------
Function:
Purpose:
Params:
Returns:
---------------------------------------------------------------------- */
void AsciiExp::ExportMesh( INode* node )
{
Matrix3 tm = node->GetObjTMAfterWSM( ip->GetAnimRange().Start() );
Uint32 EvalFlags = 0;
Point3 ObjPos;
Point3 ObjRot;
Point3 ObjSca;
Point3 center = Point3(0.f, 0.f, 0.f);
AffineParts ap;
Mesh * mesh;
ObjectState os;
Object * obj;
BOOL needDel;
TriObject * tri;
os = node->EvalWorldState( ip->GetAnimRange().Start() );
obj = node->EvalWorldState( ip->GetAnimRange().Start() ).obj;
Mtl * nodeMtl = node->GetMtl();
if (!nodeMtl) return;
if (!os.obj) return;
if (!obj->IsRenderable()) return;
if (node->IsNodeHidden()) return;
if (!obj || os.obj->SuperClassID() != GEOMOBJECT_CLASS_ID) return; // Safety net. This shouldn't happen.
tri = GetTriObjectFromNode(node, ip->GetAnimRange().Start(), needDel);
if (!tri) return;
mesh = &tri->mesh;
mtlList.AddMtl(nodeMtl);
ip->ProgressUpdate(0,0,"ExportMeshList");
ExportMeshList( node, mesh );
ip->ProgressUpdate(0,0,"ExportPoints");
ExportPoints( node, mesh );
ip->ProgressUpdate(0,0,"ExportVectors");
ExportVectors( node, mesh);
ip->ProgressUpdate(0,0,"ExportVectorsDone");
if (needDel) delete tri;
tri = GetTriObjectFromNode(node, ip->GetAnimRange().End(), needDel);
if (!tri) return;
mesh = &tri->mesh;
ip->ProgressUpdate(0,0,"ExportNormals");
ExportNormals( node, mesh );
if (needDel) delete tri;
ip->ProgressUpdate(0,0,"ExportNormalsDone");
tm = node->GetObjTMAfterWSM(ip->GetAnimRange().Start());// * Inverse(node->GetParentTM(t));
decomp_affine(tm, &ap);
ip->ProgressUpdate(0,0,"WriteHeader0");
WriteChunkHdr( (char*)MODEL_ID, 0 );
fwrite( &nCurObj, sizeof(long), 1, expStream );
char NodeName[MAX_NAME_LENGTH];
sprintf(NodeName,"%s",node->GetName());
// fwrite( node->GetName(), MAX_NAME_LENGTH, 1, expStream);
fwrite( NodeName, MAX_NAME_LENGTH, 1, expStream);
fwrite( &radius, sizeof(float), 1, expStream );
fwrite( ¢er.x, sizeof(float), 1, expStream );
fwrite( ¢er.y, sizeof(float), 1, expStream );
fwrite( ¢er.z, sizeof(float), 1, expStream );
fwrite( &ap.t.x, sizeof(float), 1, expStream );
fwrite( &ap.t.z, sizeof(float), 1, expStream );
fwrite( &ap.t.y, sizeof(float), 1, expStream );
//ProgressUpdate(int pct, BOOL showPct = TRUE, TCHAR *title = NULL)=0
ip->ProgressUpdate(0,0,"WriteHeaderDone");
ip->ProgressUpdate(0,0,"FindPhysiqueModifier");
if (FindPhysiqueModifier(node))
{
ip->ProgressUpdate(0,0,"ExportWeights");
ExportWeights(node);
}
else
ip->ProgressUpdate(0,0,"FindFFDModifier");
if (FindFFDModifier(node))
{
}
else
{
ip->ProgressUpdate(0,0,"ExportNodeAnimMesh");
ExportNodeAnimMesh( node );
}
// ExportAnimMesh( node );
ip->ProgressUpdate(0,0,"FindEditableMesh");
FindEditableMesh(node);
ip->ProgressUpdate(0,0,"ExportVisTrack");
ExportVisTrack( node );
nCurObj++;
}
void AsciiExp::FindEditableMesh(INode *node)
{
Object *o = node->GetObjectRef();
while (o && o->SuperClassID() == GEN_DERIVOB_CLASS_ID)
{
o = ((IDerivedObject*)o)->GetObjRef();
}
if (o && o->ClassID() == Class_ID(EDITTRIOBJ_CLASS_ID,0))
{
ExportMeshVertAnim(node, (EditTriObject*)o);
}
}
void AsciiExp::ExportMeshVertAnim(INode *node, EditTriObject *e)
{
TimeValue start = ip->GetAnimRange().Start();
TimeValue end = ip->GetAnimRange().End();
int delta = GetTicksPerFrame();
int Controls = e->cont.Count();
Matrix3 tm = node->GetObjTMAfterWSM( ip->GetAnimRange().Start() );
Point3 p;
Controls = 0;
for (int i=0; i<e->cont.Count(); i++) {
if (e->cont[i]) {
Controls++;
}
}
ITCBPoint3Key tcbPosKey;
IBezPoint3Key bezPosKey;
WriteChunkHdr( (char*)KEY_ID, 0);
fwrite( &CHANNEL_TYPE_VERTEX, sizeof( Uint32 ), 1, expStream );
fwrite( &CHANNEL_INFO_POSITION, sizeof( Uint32) , 1, expStream);
fwrite( &nCurObj, sizeof( Uint32 ), 1, expStream );
fwrite( &Controls, sizeof(int), 1, expStream);
for (i=0; i<e->cont.Count(); i++) {
if (e->cont[i]) {
Control *c = GetControlInterface(e->cont[i]);
IKeyControl *ikeys;
TimeList tl;
TimeValue time;
tl.Clear();
if (c) {
ikeys = GetKeyControlInterface(c);
int num = ikeys->GetNumKeys();
for (int j = 0; j<num; j++)
{
if (c->ClassID() == Class_ID(TCBINTERP_POINT3_CLASS_ID, 0)) {
ikeys->GetKey(j, &tcbPosKey);
time = tcbPosKey.time;
}
else
if (c->ClassID() == Class_ID(HYBRIDINTERP_POINT3_CLASS_ID, 0))
{
ikeys->GetKey(j, &bezPosKey);
time = bezPosKey.time;
}
tl.Add(time);
}
num = tl.Count();
fwrite(&i, sizeof(int), 1, expStream);
fwrite(&num, sizeof(int), 1, expStream);
for (j=0; j<num; j++) {
time = tl.Get(j);
tm = node->GetObjTMAfterWSM(time);
e->cont[i]->GetValue(time,&p,FOREVER);
p = tm * p;
time = (time-start) / delta;
fwrite(&time, sizeof(int), 1, expStream);
fwrite(&p.x, sizeof(float), 1, expStream);
fwrite(&p.z, sizeof(float), 1, expStream);
fwrite(&p.y, sizeof(float), 1, expStream);
}
}
}
}
}
/*----------------------------------------------------------------------
---------------------------------------------------------------------- */
int GetSubMtlCount(Mtl* mtl, bool recurse = false)
{
int Count = 0;
if (!mtl)
return 0;
if (mtl->ClassID() == Class_ID(DMTL_CLASS_ID, 0))
Count ++;
if (mtl->NumSubMtls() > 0)
{
int c = (recurse) ? 1 : mtl->NumSubMtls();
for (int i=0; i<c; i++)
{
Mtl* subMtl = mtl->GetSubMtl(i);
if (subMtl)
{
Count += GetSubMtlCount( subMtl, true);
}
}
}
return Count;
}
void AsciiExp::ExportMeshList(INode * node, Mesh * mesh)
{
MtlID matid;
MtlID matref;
Mtl * nodeMtl = node->GetMtl();
int m;
ObjectState os;
Object * obj;
Matrix3 tm = node->GetObjTMAfterWSM( ip->GetAnimRange().Start() );
BOOL negScale = TMNegParity(tm);
int vx1, vx2, vx3;
const char * name = node->GetName();
// fprintf( tempStream, "MESHLIST = %s\n\n", name );
obj = node->EvalWorldState( ip->GetAnimRange().Start() ).obj;
mesh->buildNormals();
// Order of the vertices. Get 'em counter clockwise if the objects is
// negatively scaled.
if (negScale)
{
vx1 = 2;
vx2 = 1;
vx3 = 0;
}
else
{
vx1 = 0;
vx2 = 1;
vx3 = 2;
}
int MtlCount = GetSubMtlCount(nodeMtl);
if (MtlCount == 0) return;
// Find all mesh materials used
nbMeshs = 0;
for (int i=0; i<mesh->getNumFaces(); i++)
{
Bool found = FALSE;
matid = ((unsigned long)mesh->getFaceMtlIndex(i)) % MtlCount;
// fprintf( tempStream, "MATID = %d - FACEID = %d\n", mesh->faces[i].getMatID(), mesh->getFaceMtlIndex(i) );
for (int f=0;f<nbMeshs;f++)
{
if (matid == MeshSet[f].MatId)
{
MeshSet[f].nbFaces++;
found = TRUE;
break;
}
}
if (!found)
{
MeshSet[nbMeshs].MatId = matid;
MeshSet[nbMeshs].nbFaces = 1;
nbMeshs++;
if(nbMeshs>= MAXCOUNT) MessageBox( MAX_hWnd, "nbMeshs Overflow", "ERROR", MB_OK);
}
}
// Sort material id's for ease of access
for (m=0;m<nbMeshs;m++)
{
for (int m2=0;m2<(nbMeshs-1);m2++)
{
if (MeshSet[m2].MatId > MeshSet[m2+1].MatId)
{
MESH_SET meshset = MeshSet[m2];
MeshSet[m2] = MeshSet[m2+1];
MeshSet[m2+1] = meshset;
}
}
}
for (m=0;m<nbMeshs;m++)
{
int nbFaces;
// EXPORT POLY CONNECT LIST - PER MESH
WriteChunkHdr( (char*)POLY_ID, 0 );
fwrite( &nCurObj, sizeof(Uint16), 1, expStream );
fwrite( &m, sizeof(Uint16), 1, expStream );
nbFaces = MeshSet[m].nbFaces;
fwrite( &nbFaces, sizeof(Uint32), 1, expStream );
for (i=0; i<mesh->getNumFaces(); i++)
{
matid = ((unsigned long)mesh->getFaceMtlIndex(i)) % MtlCount;
if (matid == MeshSet[m].MatId)
{
fwrite( &mesh->faces[i].v[vx1], sizeof(long), 1, expStream );
fwrite( &mesh->faces[i].v[vx2], sizeof(long), 1, expStream );
fwrite( &mesh->faces[i].v[vx3], sizeof(long), 1, expStream );
long HF0=mesh->faces[i].getEdgeVis(vx1);
long HF1=mesh->faces[i].getEdgeVis(vx2);
long HF2=mesh->faces[i].getEdgeVis(vx3);
fwrite( &HF0, sizeof(long), 1, expStream );
fwrite( &HF1, sizeof(long), 1, expStream );
fwrite( &HF2, sizeof(long), 1, expStream );
// fprintf( tempStream, "Face = %d - HF= %d %d %d\n", i,HF0,HF1,HF2);
}
}
// EXPORT FACE MAP TEXCOORDS IF WE HAVE THEM...
if (obj->HasUVW())
{
if (!CheckForAndExportFaceMap(nodeMtl, mesh, m))
{
// If not, export standard tverts
int numTVx = mesh->getNumTVerts();
if (numTVx)
{
int nbFaces;
WriteChunkHdr( (char*)UV_ID, 0 );
fwrite( &nCurObj, sizeof(Uint16), 1, expStream );
fwrite( &m, sizeof(Uint16), 1, expStream );
nbFaces = MeshSet[m].nbFaces;
fwrite( &nbFaces, sizeof(Uint32), 1, expStream );
for (i=0; i<mesh->getNumFaces(); i++)
{
matid = ((unsigned long)mesh->getFaceMtlIndex(i)) % MtlCount;
if (matid == MeshSet[m].MatId)
{
UVVert tv;
int idx;
idx = mesh->tvFace[i].t[vx1];
tv = mesh->tVerts[idx];
fwrite(&tv.x, sizeof(float), 1, expStream);
fwrite(&tv.y, sizeof(float), 1, expStream);
idx = mesh->tvFace[i].t[vx2];
tv = mesh->tVerts[idx];
fwrite(&tv.x, sizeof(float), 1, expStream);
fwrite(&tv.y, sizeof(float), 1, expStream);
idx = mesh->tvFace[i].t[vx3];
tv = mesh->tVerts[idx];
fwrite(&tv.x, sizeof(float), 1, expStream);
fwrite(&tv.y, sizeof(float), 1, expStream);
}
}
}
}
}
{
int nbFaces;
WriteChunkHdr( (char*)FACENORMAL_ID, 0 );
fwrite( &nCurObj, sizeof(Uint16), 1, expStream );
fwrite( &m, sizeof(Uint16), 1, expStream );
nbFaces = MeshSet[m].nbFaces;
fwrite( &nbFaces, sizeof(Uint32), 1, expStream );
for (i=0; i<mesh->getNumFaces(); i++)
{
matid = ((unsigned long)mesh->getFaceMtlIndex(i)) % MtlCount;
if (matid == MeshSet[m].MatId)
{
Point3 n=GetVertexNormal(mesh, i,mesh->getRVertPtr(mesh->faces[i].v[vx1]));
fwrite(&n.x, sizeof(float), 1, expStream);
fwrite(&n.y, sizeof(float), 1, expStream);
fwrite(&n.z, sizeof(float), 1, expStream);
n=GetVertexNormal(mesh, i,mesh->getRVertPtr(mesh->faces[i].v[vx2]));
fwrite(&n.x, sizeof(float), 1, expStream);
fwrite(&n.y, sizeof(float), 1, expStream);
fwrite(&n.z, sizeof(float), 1, expStream);
n=GetVertexNormal(mesh, i,mesh->getRVertPtr(mesh->faces[i].v[vx3]));
fwrite(&n.x, sizeof(float), 1, expStream);
fwrite(&n.y, sizeof(float), 1, expStream);
fwrite(&n.z, sizeof(float), 1, expStream);
}
}
}
// tris[result].VertNormals[s] = Normalize(transpose * (m * get_vertex_normal(&triobj->mesh, j, triobj->mesh.getRVertPtr(fces[j].v[s]))));
if (mesh->getNumVertCol())
{
Point3 vc;
WriteChunkHdr( (char*)VCOL_ID, 0 );
fwrite( &nCurObj, sizeof(Uint32), 1, expStream );
fwrite( &m , sizeof(Uint32), 1, expStream );
int nbFaces = MeshSet[m].nbFaces;
fwrite( &nbFaces, sizeof(Uint32), 1, expStream );
for (i=0; i<mesh->getNumFaces(); i++)
{
matid = ((unsigned long)mesh->getFaceMtlIndex(i)) % MtlCount;
if (matid == MeshSet[m].MatId)
{
TVFace *f = &mesh->vcFace[i];
int vert = f->t[vx1];
vc = mesh->vertCol[vert];
fwrite(&vc.x, sizeof(float), 1, expStream);
fwrite(&vc.y, sizeof(float), 1, expStream);
fwrite(&vc.z, sizeof(float), 1, expStream);
vert = f->t[vx2];
vc = mesh->vertCol[vert];
fwrite(&vc.x, sizeof(float), 1, expStream);
fwrite(&vc.y, sizeof(float), 1, expStream);
fwrite(&vc.z, sizeof(float), 1, expStream);
vert = f->t[vx3];
vc = mesh->vertCol[vert];
fwrite(&vc.x, sizeof(float), 1, expStream);
fwrite(&vc.y, sizeof(float), 1, expStream);
fwrite(&vc.z, sizeof(float), 1, expStream);
}
}
}
}
// EXPORT MESHSET INFO
WriteChunkHdr( (char*)MESH_ID, 0 );
fwrite( &nCurObj, sizeof(long), 1, expStream );
fwrite( &nbMeshs, sizeof(long), 1, expStream );
int NodeMatRef = mtlList.GetMtlID(nodeMtl);
for (m=0;m<nbMeshs;m++)
{
matref = MeshSet[m].MatId + NodeMatRef;
// fprintf( tempStream, "matIdx = %d %d\n", MeshSet[m].MatId, matref );
fwrite(&matref, sizeof(Uint16), 1, expStream);
fwrite(&MeshSet[m].nbFaces, sizeof(Uint16), 1, expStream);
Uint32 TempStore;
TempStore = m;
fwrite(&TempStore, sizeof(Uint32), 1, expStream); // polt list
TempStore = -1;
fwrite(&TempStore, sizeof(Uint32), 1, expStream); // attr list
fwrite(&TempStore, sizeof(Uint32), 1, expStream); // normal list
TempStore = -1;
if (!mesh->vertCol)
TempStore = m;
fwrite(&TempStore, sizeof(Uint32), 1, expStream); // vertex col list
TempStore = -1;
if (obj->HasUVW())
TempStore = m;
fwrite(&TempStore, sizeof(Uint32), 1, expStream); // texture list
}
}
/*----------------------------------------------------------------------
---------------------------------------------------------------------- */
BOOL AsciiExp::CheckForAndExportFaceMap(Mtl* mtl, Mesh* mesh, int meshno)
{
MtlID matid;
ULONG matreq;
return FALSE;
if (!mtl || !mesh) return FALSE;
matreq = mtl->Requirements(-1);
// ARE WE USING FACE MAPPING?
if (!(matreq & MTLREQ_FACEMAP)) return FALSE;
// OK, WE HAVE A FACEMAP SITUATION HERE...
WriteChunkHdr( (char*)UV_ID, 0 );
fwrite( &nCurObj, sizeof(Uint16), 1, expStream );
fwrite( &meshno, sizeof(Uint16), 1, expStream );
Uint32 mnf = MeshSet[meshno].nbFaces;
fwrite( &mnf, sizeof(Uint32), 1, expStream );
for (int i=0; i<mesh->getNumFaces(); i++)
{
matid = mesh->getFaceMtlIndex(i);//faces[i].getMatID();
if (matid == MeshSet[meshno].MatId)
{
Point3 tv[3];
Face * f;
// NJS_COLOR uv;
f = &mesh->faces[i];
make_face_uv( f, tv );
fwrite(&tv[0].x, sizeof(float), 1, expStream);
fwrite(&tv[0].y, sizeof(float), 1, expStream);
fwrite(&tv[1].x, sizeof(float), 1, expStream);
fwrite(&tv[1].y, sizeof(float), 1, expStream);
fwrite(&tv[2].x, sizeof(float), 1, expStream);
fwrite(&tv[2].y, sizeof(float), 1, expStream);
}
}
return TRUE;
}
/*----------------------------------------------------------------------
---------------------------------------------------------------------- */
void AsciiExp::ExportPoints(INode * node, Mesh * mesh)
{
Matrix3 tm = node->GetObjTMAfterWSM( ip->GetAnimRange().Start() );
Point3 Trans;
int nbVerts;
radius = 0.f;
nbVerts = mesh->getNumVerts();
// EXPORT MODEL POINTS
WriteChunkHdr( (char*)POINTS_ID, 0 );
fwrite( &nCurObj, sizeof(Uint32), 1, expStream );
fwrite( &nbVerts, sizeof(Uint32), 1, expStream );
for (int i=0; i<nbVerts; i++)
{
Point3 v1;
Point3 v2;
tm = node->GetObjTMAfterWSM( ip->GetAnimRange().Start() );
v1 = mesh->verts[i];
//v2 = VectorTransform( tm, v1 );
//v2 += tm.GetTrans();
v2 = tm * v1;
Trans = v2;
//Trans.y = Trans.y;
fwrite( &Trans.x, sizeof(float), 1, expStream );
fwrite( &Trans.z, sizeof(float), 1, expStream );
fwrite( &Trans.y, sizeof(float), 1, expStream );
if (radius < fabs(Trans.x)) radius = (float)fabs(Trans.x);
if (radius < fabs(Trans.y)) radius = (float)fabs(Trans.y);
if (radius < fabs(Trans.z)) radius = (float)fabs(Trans.z);
}
}
void AsciiExp::ExportVectors(INode * node, Mesh * mesh)
{
Matrix3 tm = node->GetObjTMAfterWSM( ip->GetAnimRange().Start() );
Point3 Trans;
int nbVerts;
radius = 0.f;
nbVerts = mesh->getNumVerts();
// EXPORT MODEL POINTS
WriteChunkHdr( (char*)VECT_ID, 0 );
fwrite( &nCurObj, sizeof(Uint32), 1, expStream );
fwrite( &nbVerts, sizeof(Uint32), 1, expStream );
for (int i=0; i<nbVerts; i++)
{
Point3 v1;
v1 = mesh->verts[i];
fwrite( &v1.x, sizeof(float), 1, expStream );
fwrite( &v1.z, sizeof(float), 1, expStream );
fwrite( &v1.y, sizeof(float), 1, expStream );
}
}
/*----------------------------------------------------------------------
---------------------------------------------------------------------- */
void AsciiExp::ExportNormals(INode * node, Mesh * mesh)
{
int nbVerts;
Point3 * vnorms;
Point3 fn; // Face normal
Point3 vn; // Vertex normal
int i;
Matrix3 tm = node->GetObjTMAfterWSM( ip->GetAnimRange().End() );
BOOL negScale = TMNegParity(tm);
int vx1, vx2, vx3;
if (negScale)
{
vx1 = 2;
vx2 = 1;
vx3 = 0;
}
else
{
vx1 = 0;
vx2 = 1;
vx3 = 2;
}
mesh->buildNormals();
nbVerts = mesh->getNumVerts();
vnorms = new Point3[nbVerts];
for (i=0; i<mesh->getNumVerts(); i++)
{
vnorms[i] = GetAverageVertNormal(node, mesh, i);
}
// EXPORT MODEL NORMALS
WriteChunkHdr( (char*)NORMAL_ID, 0 );
fwrite( &nCurObj, sizeof(Uint32), 1, expStream );
fwrite( &nbVerts, sizeof(Uint32), 1, expStream );
for (i=0; i<nbVerts; i++)
{
vn = vnorms[i];
fwrite( &vn.x, sizeof(float), 1, expStream );
fwrite( &vn.z, sizeof(float), 1, expStream );
fwrite( &vn.y, sizeof(float), 1, expStream );
}
delete vnorms;
}
/*----------------------------------------------------------------------
Function:
Purpose:
Params:
Returns:
---------------------------------------------------------------------- */
Point3 AsciiExp::GetVertexNormal(Mesh* mesh, int faceNo, RVertex* rv)
{
Face* f = &mesh->faces[faceNo];
DWORD smGroup = f->smGroup;
int numNormals;
Point3 vertexNormal;
// Is normal specified
// SPCIFIED is not currently used, but may be used in future versions.
if (rv->rFlags & SPECIFIED_NORMAL)
{
// fprintf( pStream, "SPECIFIED_NORMAL\n");
vertexNormal = rv->rn.getNormal();
}
// If normal is not specified it's only available if the face belongs
// to a smoothing group
else if ((numNormals = rv->rFlags & NORCT_MASK) && smGroup)
{
// If there is only one vertex is found in the rn member.
if (numNormals == 1)
{
// fprintf( pStream, "SINGLE SMOOTHING GROUP\n");
vertexNormal = rv->rn.getNormal();
}
else
{
// fprintf( pStream, "SMOOTHING GROUP %d\n", numNormals);
// If two or more vertices are there you need to step through them
// and find the vertex with the same smoothing group as the current face.
// You will find multiple normals in the ern member.
for (int i = 0; i < numNormals; i++)
{
vertexNormal = rv->ern[i].getNormal();
}
}
}
else
{
// fprintf( pStream, "NO SMOOTHING GROUP\n");
// Get the normal from the Face if no smoothing groups are there
vertexNormal = mesh->getFaceNormal(faceNo);
}
return vertexNormal;
}
Point3 AsciiExp::GetAverageVertNormal(INode *node, Mesh* mesh, int VertNo)
{
int i;
int c=0;
Matrix3 tm = node->GetNodeTM(ip->GetAnimRange().Start());
tm.NoTrans();
Point3 n= Point3(0.f,0.f,0.f);
for (i=0; i<mesh->getNumFaces(); i++) {
if (mesh->faces[i].v[0] == VertNo || mesh->faces[i].v[1] == VertNo || mesh->faces[i].v[2] == VertNo)
{
Point3 p0 = tm * mesh->verts[mesh->faces[i].v[0]];
Point3 p1 = tm * mesh->verts[mesh->faces[i].v[1]];
Point3 p2 = tm * mesh->verts[mesh->faces[i].v[2]];
Point3 Nrm = Normalize(CrossProd(p0 - p1, p0 - p2));
n += Nrm;
c ++;
}
}
n /= (float)c;
return Normalize(n);
}
void AsciiExp::ExportNodeAnimMesh( INode* node )
{
INode *parent;
Matrix3 parentTM, nodeTM, localTM;
parent = node->GetParentNode();
TimeValue start = ip->GetAnimRange().Start();
TimeValue end = ip->GetAnimRange().End();
int delta = GetTicksPerFrame();
TimeValue t;
Matrix3 tm;
Matrix3 StartM;
AffineParts ap;
int i;
Quat q;
Quat StartQ, StartU;
Point3 StartP, StartS;
nodeTM = node->GetNodeTM(start);
parentTM = parent->GetNodeTM(start);
StartM = nodeTM*Inverse(parentTM);
for (t=start; t<=end; t+=delta)
{
nodeTM = node->GetNodeTM(t);
parentTM = parent->GetNodeTM(t);
tm = nodeTM*Inverse(parentTM);
for (i=0;i<4;i++) {
Point3 m0 = StartM.GetRow(i);
Point3 m1 = tm.GetRow(i);
if (fabs(m0.x-m1.x)>0.001 ||
fabs(m0.y-m1.y)>0.001 ||
fabs(m0.z-m1.z)>0.001)
break;
}
if (i!=4)
break;
}
if (t==end)
return;
char text[250];
sprintf(text,"%s", node->GetName());
WriteChunkHdr( (char*)ANIM_ID, 0);
fwrite( &CHANNEL_TYPE_NODE, sizeof( Uint32 ), 1, expStream );
fwrite( &nCurObj, sizeof( Uint32 ), 1, expStream );
fwrite( &totFrames, sizeof( Uint32 ), 1, expStream );
for (t=start; t<=end; t+=delta) {
// TRANSLATION
tm = node->GetNodeTM(t) * Inverse(node->GetParentTM(t));
decomp_affine(tm, &ap);
fwrite( &ap.t.x, sizeof(float), 1, expStream ); // WRITE BONE X-POS
fwrite( &ap.t.z, sizeof(float), 1, expStream ); // WRITE BONE Y-POS
fwrite( &ap.t.y, sizeof(float), 1, expStream ); // WRITE BONE Z-POS
fwrite( &ap.q.x, sizeof(float), 1, expStream ); // WRITE BONE X-POS
fwrite( &ap.q.z, sizeof(float), 1, expStream ); // WRITE BONE Y-POS
fwrite( &ap.q.y, sizeof(float), 1, expStream ); // WRITE BONE Z-POS
fwrite( &ap.q.w, sizeof(float), 1, expStream ); // WRITE BONE Z-POS
fwrite( &ap.k.x, sizeof(float), 1, expStream ); // WRITE BONE X-POS
fwrite( &ap.k.z, sizeof(float), 1, expStream ); // WRITE BONE Y-POS
fwrite( &ap.k.y, sizeof(float), 1, expStream ); // WRITE BONE Z-POS
fwrite( &ap.u.x, sizeof(float), 1, expStream ); // WRITE BONE X-POS
fwrite( &ap.u.z, sizeof(float), 1, expStream ); // WRITE BONE Y-POS
fwrite( &ap.u.y, sizeof(float), 1, expStream ); // WRITE BONE Z-POS
fwrite( &ap.u.w, sizeof(float), 1, expStream ); // WRITE BONE Z-POS
}
}
void AsciiExp::ExportVisTrack( INode* node )
{
Control *VisControl = node->GetVisController();
if (VisControl) {
float VisF;
TimeValue start = ip->GetAnimRange().Start();
TimeValue end = ip->GetAnimRange().End();
int delta = GetTicksPerFrame();
TimeValue t;
WriteChunkHdr( (char*)VIS_ID, 0);
fwrite( &nCurObj, sizeof( Uint32 ), 1, expStream );
fwrite( &totFrames, sizeof( Uint32 ), 1, expStream );
for (t=start; t<=end; t+=delta) {
Interval I = Interval(t, t);
VisControl->GetValue(t, &VisF, I, CTRL_ABSOLUTE);
fwrite( &VisF, sizeof(float), 1, expStream);
}
}
}
void AsciiExp::ExportAnimMesh( INode* node )
{
TimeValue start = ip->GetAnimRange().Start();
TimeValue end = ip->GetAnimRange().End();
int delta = GetTicksPerFrame();
BOOL needDel;
Mesh *mesh;
TriObject *tri;
TimeValue t;
WriteChunkHdr( (char*)ANIM_ID, 0);
fwrite( &CHANNEL_TYPE_VERTEX, sizeof( Uint32 ), 1, expStream );
fwrite( &nCurObj, sizeof( Uint32 ), 1, expStream );
fwrite( &totFrames, sizeof( Uint32 ), 1, expStream );
for (t=start; t<=end; t+=delta)
{
tri = GetTriObjectFromNode(node, t, needDel);
if (!tri) return;
mesh = &tri->mesh;
Matrix3 tm = node->GetObjTMAfterWSM( t );
for (int i=0; i<mesh->getNumVerts(); i++)
{
Point3 v1;
Point3 v2;
v1 = mesh->verts[i];
v2 = tm * v1;
fwrite( &v2.x, sizeof(float), 1, expStream );
fwrite( &v2.z, sizeof(float), 1, expStream );
fwrite( &v2.y, sizeof(float), 1, expStream );
}
if (needDel) tri->DeleteThis();
}
}
/*===========================================================================
end */