void Exporter::ExportMesh(INode* node, TimeValue t, int indentLevel)
{
int i;
Mtl* nodeMtl = node->GetMtl();
Matrix3 tm = node->GetObjTMAfterWSM(t);
BOOL negScale = TMNegParity(tm);
int vx1, vx2, vx3;
TSTR indent;
ObjectState os = node->EvalWorldState(t);
if (!os.obj || os.obj->SuperClassID()!=GEOMOBJECT_CLASS_ID) {
return; // Safety net. This shouldn't happen.
}
// 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;
}
BOOL needDel;
TriObject* tri = GetTriObjectFromNode(node, t, needDel);
if (!tri) {
return;
}
Mesh* mesh = &tri->mesh;
mesh->buildNormals();
{ // make vertices and faces
rsm->mesh->nV=mesh->getNumVerts();
rsm->mesh->nF=mesh->getNumFaces();
rsm->mesh->ver=new rvertex[mesh->getNumVerts()];
rsm->mesh->face=new rface[mesh->getNumFaces()];
}
// Export the vertices
for (i=0; i<mesh->getNumVerts(); i++) {
Point3 v = tm * mesh->verts[i];
rsm->mesh->ver[i].coord=rvector(v);
rsm->mesh->ver[i].normal=rvector(0,0,0);
}
// To determine visibility of a face, get the vertices in clockwise order.
// If the objects has a negative scaling, we must compensate for that by
// taking the vertices counter clockwise
for (i=0; i<mesh->getNumFaces(); i++) {
rsm->mesh->face[i].a=(WORD)mesh->faces[i].v[vx1];
rsm->mesh->face[i].c=(WORD)mesh->faces[i].v[vx2];
rsm->mesh->face[i].b=(WORD)mesh->faces[i].v[vx3];
rsm->mesh->face[i].nMaterial=mesh->faces[i].getMatID();
}
// Export face map texcoords if we have them...
if (!CheckForAndExportFaceMap(nodeMtl, mesh, indentLevel+1)) {
// If not, export standard tverts
int numTVx = mesh->getNumTVerts();
if (numTVx) {
rface *f=rsm->mesh->face;
for (i=0; i<mesh->getNumFaces(); i++) {
// dubble added
TVFace *tvf=&mesh->tvFace[i];
f->u[0]=mesh->tVerts[tvf->t[vx1]].x;
f->v[0]=1.0f-mesh->tVerts[tvf->t[vx1]].y;
f->u[2]=mesh->tVerts[tvf->t[vx2]].x;
f->v[2]=1.0f-mesh->tVerts[tvf->t[vx2]].y;
f->u[1]=mesh->tVerts[tvf->t[vx3]].x;
f->v[1]=1.0f-mesh->tVerts[tvf->t[vx3]].y; // good
f++;
// end of dubble added
}
}
}
{
// Export mesh (face + vertex) normals
Point3 fn; // Face normal
Point3 vn; // Vertex normal
int vert;
Face* f;
// Face and vertex normals.
// In MAX a vertex can have more than one normal (but doesn't always have it).
// This is depending on the face you are accessing the vertex through.
// To get all information we need to export all three vertex normals
// for every face.
Matrix3 pivot = node->GetNodeTM(GetStaticFrame());
pivot.NoTrans();
for (i=0; i<mesh->getNumFaces(); i++) {
f = &mesh->faces[i];
fn = mesh->getFaceNormal(i);
rsm->mesh->face[i].normal=fn;
vert = f->getVert(vx1);
vn = GetVertexNormal(mesh, i, mesh->getRVertPtr(vert));
rsm->mesh->face[i].vnormals[0]=pivot*vn;
rsm->mesh->ver[rsm->mesh->face[i].a].normal+=vn;
vert = f->getVert(vx2);
vn = GetVertexNormal(mesh, i, mesh->getRVertPtr(vert));
rsm->mesh->face[i].vnormals[2]=pivot*vn;
rsm->mesh->ver[rsm->mesh->face[i].b].normal+=vn;
vert = f->getVert(vx3);
vn = GetVertexNormal(mesh, i, mesh->getRVertPtr(vert));
rsm->mesh->face[i].vnormals[1]=pivot*vn;
rsm->mesh->ver[rsm->mesh->face[i].c].normal+=vn;
}
}
if (needDel) {
delete tri;
}
}
BOOL Building_collision_exp::ExportOneMesh(INode* node, CExportDataBuf* pDataBuf)
{
if(node && pDataBuf)
{
pDataBuf->strName = node->GetName();
ObjectState os = node->EvalWorldState(0);
if (!os.obj)
{
return FALSE;
}
// 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 FALSE;
}
int i; // 以后需要用到的循环变量.
Matrix3 tm = node->GetObjTMAfterWSM(0);
// 三角形面的索引值.
int vx1 = 0, vx2 = 1, vx3 = 2;
BOOL needDel;
TriObject* tri = GetTriObjectFromNode(node, 0, needDel);
if (!tri)
{
return FALSE;
}
Mesh* mesh = &tri->GetMesh();
pDataBuf->m_iFaceCount = mesh->getNumFaces();
pDataBuf->m_posVectorCount = mesh->getNumVerts();
Point3 v;
POS pos;
for (i=0; i<mesh->getNumVerts(); i++)
{
v = tm * mesh->verts[i];
pos.x = v.x;
pos.y = v.z;
pos.z = -v.y;
pDataBuf->m_posVector.push_back(pos);
}
FACE face;
for (i=0; i<mesh->getNumFaces(); i++)
{
face.iF1 = (WORD)mesh->faces[i].v[vx1];
face.iF2 = (WORD)mesh->faces[i].v[vx2];
face.iF3 = (WORD)mesh->faces[i].v[vx3];
pDataBuf->m_posFaceVector.push_back(face);
}
if (needDel)
{
delete tri;
}
}
m_bIsExport = TRUE;
return TRUE;
}
void XsiExp::ExportMesh( INode * node, TimeValue t, int indentLevel)
{
ObjectState os = node->EvalWorldState(t);
if (!os.obj || os.obj->SuperClassID() != GEOMOBJECT_CLASS_ID)
{
return; // Safety net. This shouldn't happen.
}
BOOL needDel;
TriObject * tri = GetTriObjectFromNode(node, t, needDel);
if (!tri)
{
// no tri object
return;
}
// prepare mesh
Mesh * mesh = &tri->GetMesh();
mesh->buildNormals();
// object offset matrix; apply to verts
// swap y and z; max to soft correction
Matrix3 matrix(1);
// translate
matrix.PreTranslate( Point3( node->GetObjOffsetPos().x, node->GetObjOffsetPos().z, -node->GetObjOffsetPos().y));
// rotate
AngAxis aa( node->GetObjOffsetRot());
float temp = aa.axis.z;
aa.axis.z = -aa.axis.y;
aa.axis.y = temp;
PreRotateMatrix(matrix, Quat( aa));
// scale
ScaleValue scale = node->GetObjOffsetScale();
aa.Set( scale.q);
temp = aa.axis.z;
aa.axis.z = -aa.axis.y;
aa.axis.y = temp;
scale.q.Set( aa);
temp = scale.s.z;
scale.s.z = scale.s.y;
scale.s.y = temp;
ApplyScaling(matrix, scale);
// apply root transform
matrix = matrix * topMatrix;
// only rotation for normals
AffineParts ap;
Matrix3 rotMatrix(1);
decomp_affine( matrix, &ap);
PreRotateMatrix( rotMatrix, ap.q);
// set winding order
int vx1 = 0, vx2 = 1, vx3 = 2;
if (TMNegParity( node->GetNodeTM(GetStaticFrame())) != TMNegParity( matrix) )
{
// negative scaling; invert winding order and normal rotation
vx1 = 2; vx2 = 1; vx3 = 0;
rotMatrix = rotMatrix * Matrix3( Point3(-1,0,0), Point3(0,-1,0), Point3(0,0,-1), Point3(0,0,0));
}
// header
TSTR indent = GetIndent(indentLevel+1);
fprintf(pStream, "%s%s %s {\n",indent.data(), "Mesh", FixupName(node->GetName()));
// write number of verts
int numLoop = mesh->getNumVerts();
fprintf(pStream, "%s\t%d;\n",indent.data(), numLoop);
// write verts
for (int i = 0; i < numLoop; i++)
{
Point3 v = mesh->verts[i];
float temp = v.z;
v.z = -v.y;
v.y = temp;
v = matrix * v;
fprintf(pStream, "%s\t%.6f;%.6f;%.6f;%s\n", indent.data(), v.x, v.y, v.z,
i == numLoop - 1 ? ";\n" : ",");
}
// write number of faces
numLoop = mesh->getNumFaces();
fprintf(pStream, "%s\t%d;\n", indent.data(), numLoop);
// write faces
for (i = 0; i < numLoop; i++)
{
fprintf(pStream, "%s\t3;%d,%d,%d;%s\n",
indent.data(),
mesh->faces[i].v[vx1],
mesh->faces[i].v[vx2],
mesh->faces[i].v[vx3],
i == numLoop - 1 ? ";\n" : ",");
}
// face materials
Mtl * nodeMtl = node->GetMtl();
int numMtls = !nodeMtl || !nodeMtl->NumSubMtls() ? 1 : nodeMtl->NumSubMtls();
// write face material list header
fprintf(pStream, "%s\tMeshMaterialList {\n", indent.data());
// write number of materials
fprintf(pStream, "%s\t\t%d;\n", indent.data(), numMtls);
// write number of faces
fprintf(pStream, "%s\t\t%d;\n", indent.data(), numLoop);
// write face material indices (1 for each face)
for (i = 0; i < numLoop; i++)
{
int index = numMtls ? mesh->faces[i].getMatID() % numMtls : 0;
fprintf(pStream,"%s\t\t%d%s\n",
indent.data(),
index,
i == numLoop - 1 ? ";\n" : ",");
}
// write the materials
ExportMaterial( node, indentLevel+2);
// verts close brace
fprintf(pStream, "%s\t}\n\n",indent.data());
// write normals header
fprintf(pStream, "%s\t%s {\n", indent.data(), "SI_MeshNormals");
// write number of normals
fprintf(pStream, "%s\t\t%d;\n", indent.data(), numLoop * 3);
// write normals (3 for each face)
for (i = 0; i < numLoop; i++)
{
Face * f = &mesh->faces[i];
int vert = f->getVert(vx1);
Point3 vn = GetVertexNormal(mesh, i, mesh->getRVertPtr(vert));
float temp = vn.z;
vn.z = -vn.y;
vn.y = temp;
vn = rotMatrix * vn;
fprintf(pStream,"%s\t\t%.6f;%.6f;%.6f;,\n", indent.data(), vn.x, vn.y, vn.z);
vert = f->getVert(vx2);
vn = GetVertexNormal(mesh, i, mesh->getRVertPtr(vert));
temp = vn.z;
vn.z = -vn.y;
vn.y = temp;
vn = rotMatrix * vn;
fprintf(pStream,"%s\t\t%.6f;%.6f;%.6f;,\n", indent.data(), vn.x, vn.y, vn.z);
vert = f->getVert(vx3);
vn = GetVertexNormal(mesh, i, mesh->getRVertPtr(vert));
temp = vn.z;
vn.z = -vn.y;
vn.y = temp;
vn = rotMatrix * vn;
fprintf(pStream,"%s\t\t%.6f;%.6f;%.6f;%s\n", indent.data(), vn.x, vn.y, vn.z,
i == numLoop - 1 ? ";\n" : ",");
}
// write number of faces
fprintf(pStream, "%s\t\t%d;\n", indent.data(), numLoop);
// write faces
for (i = 0; i < numLoop; i++)
{
fprintf(pStream, "%s\t\t%d;3;%d,%d,%d;%s\n",
indent.data(),
i,
i * 3 + vx1, i * 3 + vx2, i * 3 + vx3,
i == numLoop - 1 ? ";\n" : ",");
}
// normals close brace
fprintf(pStream, "%s\t}\n\n",indent.data());
// texcoords
if (nodeMtl && mesh && (nodeMtl->Requirements(-1) & MTLREQ_FACEMAP))
{
// facemapping
numLoop = mesh->getNumFaces() * 3;
// write texture coords header
fprintf(pStream, "%s\tSI_MeshTextureCoords {\n", indent.data());
// write number of texture coords
fprintf(pStream, "%s\t\t%d;\n", indent.data(), numLoop);
// write texture coords
for (int i = 0; i < numLoop; i++)
{
Point3 tv[3];
Face * f = &mesh->faces[i];
make_face_uv( f, tv);
fprintf(pStream, "%s\t\t%.6f;%.6f;,\n", indent.data(), tv[0].x, tv[0].y);
fprintf(pStream, "%s\t\t%.6f;%.6f;,\n", indent.data(), tv[1].x, tv[1].y);
fprintf(pStream, "%s\t\t%.6f;%.6f;%s\n", indent.data(), tv[2].x, tv[2].y,
i == numLoop - 1 ? ";\n" : ",");
}
// write number of faces
numLoop = mesh->getNumFaces();
fprintf(pStream, "%s\t\t%d;\n", indent.data(), numLoop);
// write faces
for (i = 0; i < numLoop; i++)
{
fprintf(pStream,"%s\t\t%d;3;%d,%d,%d;%s\n",
indent.data(),
i,
mesh->tvFace[i].t[vx1],
mesh->tvFace[i].t[vx2],
mesh->tvFace[i].t[vx3],
i == numLoop - 1 ? ";\n" : ",");
}
// texture coords close brace
fprintf(pStream, "%s\t}\n\n", indent.data());
}
else
{
numLoop = mesh->getNumTVerts();
if (numLoop)
{
// write texture coords header
fprintf(pStream, "%s\tSI_MeshTextureCoords {\n", indent.data());
// write number of texture coords
fprintf(pStream, "%s\t\t%d;\n", indent.data(), numLoop);
// write texture coords
for (i = 0; i < numLoop; i++)
{
UVVert tv = mesh->tVerts[i];
fprintf(pStream, "%s\t\t%.6f;%.6f;%s\n", indent.data(), tv.x, tv.y,
i == numLoop - 1 ? ";\n" : ",");
}
// write number of faces
numLoop = mesh->getNumFaces();
fprintf(pStream, "%s\t\t%d;\n", indent.data(), numLoop);
// write faces
for (i = 0; i < numLoop; i++)
{
fprintf(pStream,"%s\t\t%d;3;%d,%d,%d;%s\n",
indent.data(),
i,
mesh->tvFace[i].t[vx1],
mesh->tvFace[i].t[vx2],
mesh->tvFace[i].t[vx3],
i == numLoop - 1 ? ";\n" : ",");
}
// texture coords close brace
fprintf(pStream, "%s\t}\n\n", indent.data());
}
}
/*
// Export color per vertex info
if (GetIncludeVertexColors()) {
int numCVx = mesh->numCVerts;
fprintf(pStream, "%s\t%s %d\n",indent.data(), ID_MESH_NUMCVERTEX, numCVx);
if (numCVx) {
fprintf(pStream,"%s\t%s {\n",indent.data(), ID_MESH_CVERTLIST);
for (i=0; i<numCVx; i++) {
Point3 vc = mesh->vertCol[i];
fprintf(pStream, "%s\t\t%s %d\t%s\n",indent.data(), ID_MESH_VERTCOL, i, Format(vc));
}
fprintf(pStream,"%s\t}\n",indent.data());
fprintf(pStream, "%s\t%s %d\n",indent.data(), ID_MESH_NUMCVFACES, mesh->getNumFaces());
fprintf(pStream, "%s\t%s {\n",indent.data(), ID_MESH_CFACELIST);
for (i=0; i<mesh->getNumFaces(); i++) {
fprintf(pStream,"%s\t\t%s %d\t%d\t%d\t%d\n",
indent.data(),
ID_MESH_CFACE, i,
mesh->vcFace[i].t[vx1],
mesh->vcFace[i].t[vx2],
mesh->vcFace[i].t[vx3]);
}
fprintf(pStream, "%s\t}\n",indent.data());
}
}
*/
// Mesh close brace
fprintf(pStream, "%s}\n",indent.data());
// dispose of tri object
if (needDel)
{
delete tri;
}
}
int ExportQuake3Model(const TCHAR *filename, ExpInterface *ei, Interface *gi, int start_time, std::list<ExportNode> lTags, std::list<ExportNode> lMeshes)
{
FILE *file;
int i, j, totalTags, totalMeshes, current_time = 0;
long pos_current, totalTris = 0, totalVerts = 0;
std::list<FrameRange>::iterator range_i;
std::vector<Point3> lFrameBBoxMin;
std::vector<Point3> lFrameBBoxMax;
long pos_tagstart;
long pos_tagend;
long pos_filesize;
long pos_framestart;
int lazynamesfixed = 0;
const Point3 x_axis(1, 0, 0);
const Point3 z_axis(0, 0, 1);
SceneEnumProc checkScene(ei->theScene, start_time, gi);
totalTags = (int)lTags.size();
if (g_tag_for_pivot)
totalTags++;
totalMeshes = (int)lMeshes.size();
// open file
file = _tfopen(filename, _T("wb"));
if (!file)
{
ExportError("Cannot open file '%s'.", filename);
return FALSE;
}
ExportDebug("%s:", filename);
// sync pattern and version
putChars("IDP3", 4, file);
put32(15, file);
putChars("Darkplaces MD3 Exporter", 64, file);
put32(0, file); // flags
// MD3 header
ExportState("Writing MD3 header");
put32(g_total_frames, file); // how many frames
put32(totalTags, file); // tagsnum
put32(totalMeshes, file); // meshnum
put32(1, file); // maxskinnum
put32(108, file); // headersize
pos_tagstart = ftell(file); put32(0, file); // tagstart
pos_tagend = ftell(file); put32(256, file); // tagend
pos_filesize = ftell(file); put32(512, file); // filesize
ExportDebug(" %i frames, %i tags, %i meshes", g_total_frames, totalTags, totalMeshes);
// frame info
// bbox arrays get filled while exported mesh and written back then
ExportState("Writing frame info");
pos_framestart = ftell(file);
lFrameBBoxMin.resize(g_total_frames);
lFrameBBoxMax.resize(g_total_frames);
for (i = 0; i < g_total_frames; i++)
{
// init frame data
lFrameBBoxMin[i].Set(0, 0, 0);
lFrameBBoxMax[i].Set(0, 0, 0);
// put data
putFloat(-1.0f, file); // bbox min vector
putFloat(-1.0f, file);
putFloat(-1.0f, file);
putFloat( 1.0f, file); // bbox max vector
putFloat(1.0f, file);
putFloat(1.0f, file);
putFloat(0.0f, file); // local origin (usually 0 0 0)
putFloat(0.0f, file);
putFloat(0.0f, file);
putFloat(1.0f, file); // radius of bounding sphere
putChars("", 16, file);
}
// tags
pos_current = ftell(file);
fseek(file, pos_tagstart, SEEK_SET);
put32(pos_current, file);
fseek(file, pos_current, SEEK_SET);
// for each frame range cycle all frames and write out each tag
long pos_tags = pos_current;
if (totalTags)
{
long current_frame = 0;
ExportState("Writing %i tags", totalTags);
for (range_i = g_frame_ranges.begin(); range_i != g_frame_ranges.end(); range_i++)
{
for (i = (*range_i).first; i <= (int)(*range_i).last; i++, current_frame++)
{
SceneEnumProc current_scene(ei->theScene, i * g_ticks_per_frame, gi);
current_time = current_scene.time;
// write out tags
if (lTags.size())
{
for (std::list<ExportNode>::iterator tag_i = lTags.begin(); tag_i != lTags.end(); tag_i++)
{
INode *node = current_scene[tag_i->i]->node;
Matrix3 tm = node->GetObjTMAfterWSM(current_time);
ExportState("Writing '%s' frame %i of %i", tag_i->name, i, g_total_frames);
// tagname
putChars(tag_i->name, 64, file);
// origin, rotation matrix
Point3 row = tm.GetRow(3);
putFloat(row.x, file);
putFloat(row.y, file);
putFloat(row.z, file);
row = tm.GetRow(0);
putFloat(row.x, file);
putFloat(row.y, file);
putFloat(row.z, file);
row = tm.GetRow(1);
putFloat(row.x, file);
putFloat(row.y, file);
putFloat(row.z, file);
row = tm.GetRow(2);
putFloat(row.x, file);
putFloat(row.y, file);
putFloat(row.z, file);
}
}
// write the center of mass tag_pivot which is avg of all objects's pivots
if (g_tag_for_pivot)
{
ExportState("Writing 'tag_pivot' frame %i of %i", i, g_total_frames);
// write the null data as tag_pivot need to be written after actual geometry
// (it needs information on frame bound boxes to get proper blendings)
putChars("tag_pivot", 64, file);
putFloat(0, file);
putFloat(0, file);
putFloat(0, file);
putFloat(1, file);
putFloat(0, file);
putFloat(0, file);
putFloat(0, file);
putFloat(1, file);
putFloat(0, file);
putFloat(0, file);
putFloat(0, file);
putFloat(1, file);
}
}
}
}
// write the tag object offsets
pos_current = ftell(file);
fseek(file, pos_tagend, SEEK_SET);
put32(pos_current, file);
fseek(file, pos_current, SEEK_SET);
// allocate the structs used to calculate tag_pivot
std::vector<Point3> tag_pivot_origin;
std::vector<double> tag_pivot_volume;
if (g_tag_for_pivot)
{
tag_pivot_origin.resize(g_total_frames);
tag_pivot_volume.resize(g_total_frames);
}
// mesh objects
// for each mesh object write uv and frames
SceneEnumProc scratch(ei->theScene, start_time, gi);
ExportState("Writing %i meshes", (int)lMeshes.size());
for (std::list<ExportNode>::iterator mesh_i = lMeshes.begin(); mesh_i != lMeshes.end(); mesh_i++)
{
bool needsDel;
ExportState("Start mesh #%i", mesh_i);
INode *node = checkScene[mesh_i->i]->node;
Matrix3 tm = node->GetObjTMAfterWSM(start_time);
TriObject *tri = GetTriObjectFromNode(node, start_time, needsDel);
if (!tri)
continue;
// get mesh, compute normals
Mesh &mesh = tri->GetMesh();
MeshNormalSpec *meshNormalSpec = mesh.GetSpecifiedNormals();
if (meshNormalSpec)
{
if (!meshNormalSpec->GetNumFaces())
meshNormalSpec = NULL;
else
{
meshNormalSpec->SetParent(&mesh);
meshNormalSpec->CheckNormals();
}
}
mesh.checkNormals(TRUE);
// fix lazy object names
ExportState("Attempt to fix mesh name '%s'", mesh_i->name);
char meshname[64];
size_t meshnamelen = min(63, strlen(mesh_i->name));
memset(meshname, 0, 64);
strncpy(meshname, mesh_i->name, meshnamelen);
meshname[meshnamelen] = 0;
if (!strncmp("Box", meshname, 3) || !strncmp("Sphere", meshname, 6) || !strncmp("Cylinder", meshname, 8) ||
!strncmp("Torus", meshname, 5) || !strncmp("Cone", meshname, 4) || !strncmp("GeoSphere", meshname, 9) ||
!strncmp("Tube", meshname, 4) || !strncmp("Pyramid", meshname, 7) || !strncmp("Plane", meshname, 5) ||
!strncmp("Teapot", meshname, 6) || !strncmp("Object", meshname, 6))
{
name_conflict:
lazynamesfixed++;
if (lazynamesfixed == 1)
strcpy(meshname, "base");
else
sprintf(meshname, "base%i", lazynamesfixed);
// check if it's not used by another mesh
for (std::list<ExportNode>::iterator m_i = lMeshes.begin(); m_i != lMeshes.end(); m_i++)
if (!strncmp(m_i->name, meshname, strlen(meshname)))
goto name_conflict;
// approve name
ExportWarning("Lazy object name '%s' (mesh renamed to '%s').", node->GetName(), meshname);
}
// special mesh check
bool shadow_or_collision = false;
if (g_mesh_special)
if (!strncmp("collision", meshname, 9) || !strncmp("shadow", meshname, 6))
shadow_or_collision = true;
// get material
const char *shadername = NULL;
Texmap *tex = 0;
Mtl *mtl = 0;
if (!shadow_or_collision)
{
mtl = node->GetMtl();
if (mtl)
{
// check for multi-material
if (mtl->IsMultiMtl())
{
// check if it's truly multi material
// we do support multi-material with only one texture (some importers set it)
bool multi_material = false;
MtlID matId = mesh.faces[0].getMatID();
for (i = 1; i < mesh.getNumFaces(); i++)
if (mesh.faces[i].getMatID() != matId)
multi_material = true;
if (multi_material)
if (g_mesh_multimaterials == MULTIMATERIALS_NONE)
ExportWarning("Object '%s' is multimaterial and using multiple materials on its faces, that case is not yet supported (truncating to first submaterial).", node->GetName());
// switch to submaterial
mtl = mtl->GetSubMtl(matId);
}
// get shader from material if supplied
char *materialname = GetChar(mtl->GetName());
if (g_mesh_materialasshader && (strstr(materialname, "/") != NULL || strstr(materialname, "\\") != NULL))
shadername = GetChar(mtl->GetName());
else
{
// get texture
tex = mtl->GetSubTexmap(ID_DI);
if (tex)
{
if (tex->ClassID() == Class_ID(BMTEX_CLASS_ID, 0x00))
{
shadername = GetChar(((BitmapTex *)tex)->GetMapName());
if (shadername == NULL || !shadername[0])
ExportWarning("Object '%s' material '%s' has no bitmap.", tex->GetName(), node->GetName());
}
else
{
tex = NULL;
ExportWarning("Object '%s' has material with wrong texture type (only Bitmap are supported).", node->GetName());
}
}
else
ExportWarning("Object '%s' has material but no texture.", node->GetName());
}
}
else
ExportWarning("Object '%s' has no material.", node->GetName());
}
long pos_meshstart = ftell(file);
// surface object
ExportState("Writing mesh '%s' header", meshname);
putChars("IDP3", 4, file);
putChars(meshname, 64, file);
put32(0, file); // flags
put32(g_total_frames, file); // framecount
put32(1, file); // skincount
long pos_vertexnum = ftell(file); put32(0, file); // vertexcount
put32(mesh.getNumFaces(), file); // trianglecount
long pos_trianglestart = ftell(file); put32(0, file); // start triangles
put32(108, file); // header size
long pos_texvecstart = ftell(file); put32(0, file); // texvecstart
long pos_vertexstart = ftell(file); put32(16, file); // vertexstart
long pos_meshsize = ftell(file); put32(32, file); // meshsize
// write out a single 'skin'
ExportState("Writing mesh %s texture", meshname);
if (shadow_or_collision)
putChars(meshname, 64, file);
else if (shadername)
putMaterial(shadername, mtl, tex, file);
else
putChars("noshader", 64, file);
put32(0, file); // flags
// build geometry
ExportState("Building vertexes/triangles");
std::vector<ExportVertex>vVertexes;
std::vector<ExportTriangle>vTriangles;
vVertexes.resize(mesh.getNumVerts());
int vExtraVerts = mesh.getNumVerts();
for (i = 0; i < mesh.getNumVerts(); i++)
{
vVertexes[i].vert = i;
vVertexes[i].normalfilled = false;
// todo: check for coincident verts
}
int vNumExtraVerts = 0;
// check normals
if (!mesh.normalsBuilt && !shadow_or_collision)
ExportWarning("Object '%s' does not have normals contructed.", node->GetName());
// get info for triangles
const float normal_epsilon = 0.01f;
vTriangles.resize(mesh.getNumFaces());
for (i = 0; i < mesh.getNumFaces(); i++)
{
DWORD smGroup = mesh.faces[i].getSmGroup();
ExportState("Mesh %s: checking normals for face %i of %i", meshname, i, mesh.getNumFaces());
for (j = 0; j < 3; j++)
{
int vert = mesh.faces[i].getVert(j);
vTriangles[i].e[j] = vert;
// find a right normal for this vertex and save its 'address'
int vni;
Point3 vn;
if (!mesh.normalsBuilt || shadow_or_collision)
{
vn.Set(0, 0, 0);
vni = 0;
}
else
{
int numNormals;
RVertex *rv = mesh.getRVertPtr(vert);
if (meshNormalSpec)
{
ExportState("face %i vert %i have normal specified", i, j);
// mesh have explicit normals (i.e. Edit Normals modifier)
vn = meshNormalSpec->GetNormal(i, j);
vni = meshNormalSpec->GetNormalIndex(i, j);
}
else if (rv && rv->rFlags & SPECIFIED_NORMAL)
{
ExportState("face %i vert %i have SPECIFIED_NORMAL flag", i, j);
// SPECIFIED_NORMAL flag
vn = rv->rn.getNormal();
vni = 0;
}
else if (rv && (numNormals = rv->rFlags & NORCT_MASK) && smGroup)
{
// If there is only one vertex is found in the rn member.
if (numNormals == 1)
{
ExportState("face %i vert %i have solid smooth group", i, j);
vn = rv->rn.getNormal();
vni = 0;
}
else
{
ExportState("face %i vert %i have mixed smoothing groups", i, j);
// 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 k = 0; k < numNormals; k++)
{
if (rv->ern[k].getSmGroup() & smGroup)
{
vn = rv->ern[k].getNormal();
vni = 1 + k;
}
}
}
}
else
{
ExportState("face %i vert %i flat shaded", i, j);
// Get the normal from the Face if no smoothing groups are there
vn = mesh.getFaceNormal(i);
vni = 0 - (i + 1);
}
}
// subdivide to get all normals right
if (!vVertexes[vert].normalfilled)
{
vVertexes[vert].normal = vn;
vVertexes[vert].normalindex = vni;
vVertexes[vert].normalfilled = true;
}
else if ((vVertexes[vert].normal - vn).Length() >= normal_epsilon)
{
// current vertex not matching normal - it was already filled by different smoothing group
// find a vert in extra verts in case it was already created
bool vert_found = false;
for (int ev = vExtraVerts; ev < (int)vVertexes.size(); ev++)
{
if (vVertexes[ev].vert == vert && (vVertexes[ev].normal - vn).Length() < normal_epsilon)
{
vert_found = true;
vTriangles[i].e[j] = ev;
break;
}
}
// we havent found a vertex, create new
if (!vert_found)
{
ExportVertex NewVert;
NewVert.vert = vVertexes[vert].vert;
NewVert.normal = vn;
NewVert.normalindex = vni;
NewVert.normalfilled = true;
vTriangles[i].e[j] = (int)vVertexes.size();
vVertexes.push_back(NewVert);
vNumExtraVerts++;
}
}
}
}
int vNumExtraVertsForSmoothGroups = vNumExtraVerts;
// generate UV map
// VorteX: use direct maps reading since getNumTVerts()/getTVert is deprecated
// max sets two default mesh maps: 0 - vertex color, 1 : UVW, 2 & up are custom ones
ExportState("Building UV map");
std::vector<ExportUV>vUVMap;
vUVMap.resize(vVertexes.size());
int meshMap = 1;
if (!mesh.mapSupport(meshMap) || !mesh.getNumMapVerts(meshMap) || shadow_or_collision)
{
for (i = 0; i < mesh.getNumVerts(); i++)
{
vUVMap[i].u = 0.5;
vUVMap[i].v = 0.5;
}
if (!shadow_or_collision)
ExportWarning("No UV mapping was found on object '%s'.", node->GetName());
}
else
{
UVVert *meshUV = mesh.mapVerts(meshMap);
for (i = 0; i < (int)vTriangles.size(); i++)
{
ExportState("Mesh %s: converting tvert for face %i of %i", meshname, i, (int)vTriangles.size());
// for 3 face vertexes
for (j = 0; j < 3; j++)
{
int vert = vTriangles[i].e[j];
int tv = mesh.tvFace[i].t[j];
UVVert &UV = meshUV[tv];
if (!vUVMap[vert].filled)
{
// fill uvMap vertex
vUVMap[vert].u = UV.x;
vUVMap[vert].v = UV.y;
vUVMap[vert].filled = true;
vUVMap[vert].tvert = tv;
}
else if (tv != vUVMap[vert].tvert)
{
// uvMap slot for this vertex has been filled
// we should arrange triangle to other vertex, which not filled and having same shading and uv
// check if any of the extra vertices can fit
bool vert_found = false;
for (int ev = vExtraVerts; ev < (int)vVertexes.size(); ev++)
{
if (vVertexes[ev].vert == vert && vUVMap[vert].u == UV.x &&vUVMap[vert].v == UV.y && (vVertexes[ev].normal - vVertexes[vert].normal).Length() < normal_epsilon)
{
vert_found = true;
vTriangles[i].e[j] = vVertexes[ev].vert;
break;
}
}
if (!vert_found)
{
// create new vert
ExportVertex NewVert;
NewVert.vert = vVertexes[vert].vert;
NewVert.normal = vVertexes[vert].normal;
NewVert.normalindex = vVertexes[vert].normalindex;
NewVert.normalfilled = vVertexes[vert].normalfilled;
vTriangles[i].e[j] = (int)vVertexes.size();
vVertexes.push_back(NewVert);
vNumExtraVerts++;
// create new TVert
ExportUV newUV;
newUV.filled = true;
newUV.u = UV.x;
newUV.v = UV.y;
newUV.tvert = tv;
vUVMap.push_back(newUV);
}
}
}
}
}
int vNumExtraVertsForUV = (vNumExtraVerts - vNumExtraVertsForSmoothGroups);
// print some debug stats
ExportDebug(" mesh %s: %i vertexes +%i %s +%i UV, %i triangles", meshname, ((int)vVertexes.size() - vNumExtraVerts), vNumExtraVertsForSmoothGroups, meshNormalSpec ? "EditNormals" : "SmoothGroups", vNumExtraVertsForUV, (int)vTriangles.size());
// fill in triangle start
pos_current = ftell(file);
fseek(file, pos_trianglestart, SEEK_SET);
put32(pos_current - pos_meshstart, file);
fseek(file, pos_current, SEEK_SET);
// detect if object have negative scale (mirrored)
// in this canse we should rearrange triangles counterclockwise
// so stuff will not be inverted
ExportState("Mesh %s: writing %i triangles", meshname, (int)vTriangles.size());
if (DotProd(CrossProd(tm.GetRow(0), tm.GetRow(1)), tm.GetRow(2)) < 0.0)
{
ExportWarning("Object '%s' is mirrored (having negative scale on it's transformation)", node->GetName());
for (i = 0; i < (int)vTriangles.size(); i++)
{
put32(vTriangles[i].b, file); // vertex index
put32(vTriangles[i].c, file); // for 3 vertices
put32(vTriangles[i].a, file); // of triangle
}
}
else
{
for (i = 0; i < (int)vTriangles.size(); i++)
{
put32(vTriangles[i].a, file); // vertex index
put32(vTriangles[i].c, file); // for 3 vertices
put32(vTriangles[i].b, file); // of triangle
}
}
// fill in texvecstart
// write out UV mapping coords.
ExportState("Mesh %s: writing %i UV vertexes", meshname, (int)vUVMap.size());
pos_current = ftell(file);
fseek(file, pos_texvecstart, SEEK_SET);
put32(pos_current - pos_meshstart, file);
fseek(file, pos_current, SEEK_SET);
for (i = 0; i < (int)vUVMap.size(); i++)
{
putFloat(vUVMap[i].u, file); // texture coord u,v
putFloat(1.0f - vUVMap[i].v, file); // for vertex
}
vUVMap.clear();
// fill in vertexstart
pos_current = ftell(file);
fseek(file, pos_vertexstart, SEEK_SET);
put32(pos_current - pos_meshstart, file);
fseek(file, pos_current, SEEK_SET);
// fill in vertexnum
pos_current = ftell(file);
fseek(file, pos_vertexnum, SEEK_SET);
put32((int)vVertexes.size(), file);
fseek(file, pos_current, SEEK_SET);
// write out for each frame the position of each vertex
long current_frame = 0;
ExportState("Mesh %s: writing %i frames", meshname, g_total_frames);
for (range_i = g_frame_ranges.begin(); range_i != g_frame_ranges.end(); range_i++)
{
for (i = (*range_i).first; i <= (int)(*range_i).last; i++, current_frame++)
{
bool _needsDel;
// get triobject for current frame
SceneEnumProc current_scene(ei->theScene, i * g_ticks_per_frame, gi);
current_time = current_scene.time;
INode *_node = current_scene[mesh_i->i]->node;
TriObject *_tri = GetTriObjectFromNode(_node, current_time, _needsDel);
if (!_tri)
continue;
// get mesh, compute normals
Mesh &_mesh = _tri->GetMesh();
MeshNormalSpec *_meshNormalSpec = _mesh.GetSpecifiedNormals();
if (_meshNormalSpec)
{
if (!_meshNormalSpec->GetNumFaces())
_meshNormalSpec = NULL;
else
{
_meshNormalSpec->SetParent(&_mesh);
_meshNormalSpec->CheckNormals();
}
}
_mesh.checkNormals(TRUE);
// get transformations for current frame
Matrix3 _tm = _node->GetObjTMAfterWSM(current_time);
ExportState("Mesh %s: writing frame %i of %i", meshname, current_frame, g_total_frames);
Point3 BoxMin(0, 0, 0);
Point3 BoxMax(0, 0, 0);
for (j = 0; j < (int)vVertexes.size(); j++) // number of vertices
{
ExportState("Mesh %s: transform vertex %i of %i", meshname, j, (int)vVertexes.size());
int vert = vVertexes[j].vert;
Point3 &v = _tm.PointTransform(_mesh.getVert(vert));
// populate bbox data
if (!shadow_or_collision)
{
BoxMin.x = min(BoxMin.x, v.x);
BoxMin.y = min(BoxMin.y, v.y);
BoxMin.z = min(BoxMin.z, v.z);
BoxMax.x = max(BoxMax.x, v.x);
BoxMax.y = max(BoxMax.y, v.y);
BoxMax.z = max(BoxMax.z, v.z);
}
// write vertex
double f;
f = v.x * 64.0f; if (f < -32768.0) f = -32768.0; if (f > 32767.0) f = 32767.0; put16((short)f, file);
f = v.y * 64.0f; if (f < -32768.0) f = -32768.0; if (f > 32767.0) f = 32767.0; put16((short)f, file);
f = v.z * 64.0f; if (f < -32768.0) f = -32768.0; if (f > 32767.0) f = 32767.0; put16((short)f, file);
// get normal
ExportState("Mesh %s: transform vertex normal %i of %i", meshname, j, (int)vVertexes.size());
Point3 n;
if (_meshNormalSpec) // mesh have explicit normals (i.e. Edit Normals modifier)
n = _meshNormalSpec->Normal(vVertexes[j].normalindex);
else if (!vVertexes[j].normalfilled || !_mesh.normalsBuilt)
n = _mesh.getNormal(vert);
else
{
RVertex *rv = _mesh.getRVertPtr(vert);
if (vVertexes[j].normalindex < 0)
n = _mesh.getFaceNormal((0 - vVertexes[j].normalindex) - 1);
else if (vVertexes[j].normalindex == 0)
n = rv->rn.getNormal();
else
n = rv->ern[vVertexes[j].normalindex - 1].getNormal();
}
// transform normal
Point3 &nt = _tm.VectorTransform(n).Normalize();
// encode a normal vector into a 16-bit latitude-longitude value
double lng = acos(nt.z) * 255 / (2 * pi);
double lat = atan2(nt.y, nt.x) * 255 / (2 * pi);
put16((((int)lat & 0xFF) << 8) | ((int)lng & 0xFF), file);
}
// blend the pivot positions for tag_pivot using mesh's volumes for blending power
if (g_tag_for_pivot && !shadow_or_collision)
{
ExportState("Mesh %s: writing tag_pivot", meshname);
Point3 Size = BoxMax - BoxMin;
double BoxVolume = pow(Size.x * Size.y * Size.z, 0.333f);
// blend matrices
float blend = (float)(BoxVolume / (BoxVolume + tag_pivot_volume[current_frame]));
float iblend = 1 - blend;
tag_pivot_volume[current_frame] = tag_pivot_volume[current_frame] + BoxVolume;
Point3 row = _tm.GetRow(3) - _node->GetObjOffsetPos();
tag_pivot_origin[current_frame].x = tag_pivot_origin[current_frame].x * iblend + row.x * blend;
tag_pivot_origin[current_frame].y = tag_pivot_origin[current_frame].y * iblend + row.y * blend;
tag_pivot_origin[current_frame].z = tag_pivot_origin[current_frame].z * iblend + row.z * blend;
}
// populate bbox data for frames
lFrameBBoxMin[current_frame].x = min(lFrameBBoxMin[current_frame].x, BoxMin.x);
lFrameBBoxMin[current_frame].y = min(lFrameBBoxMin[current_frame].y, BoxMin.y);
lFrameBBoxMin[current_frame].z = min(lFrameBBoxMin[current_frame].z, BoxMin.z);
lFrameBBoxMax[current_frame].x = max(lFrameBBoxMax[current_frame].x, BoxMax.x);
lFrameBBoxMax[current_frame].y = max(lFrameBBoxMax[current_frame].y, BoxMax.y);
lFrameBBoxMax[current_frame].z = max(lFrameBBoxMax[current_frame].z, BoxMax.z);
// delete the working object, if necessary.
if (_needsDel)
delete _tri;
}
}
// delete if necessary
if (needsDel)
delete tri;
// fill in meshsize
pos_current = ftell(file);
fseek(file, pos_meshsize, SEEK_SET);
put32(pos_current - pos_meshstart, file);
fseek(file, pos_current, SEEK_SET);
// reset back to first frame
SceneEnumProc scratch(ei->theScene, start_time, gi);
totalTris += (long)vTriangles.size();
totalVerts += (long)vVertexes.size();
vTriangles.clear();
vVertexes.clear();
}
// write tag_pivot
ExportState("Writing tag_pivot positions");
if (g_tag_for_pivot)
{
pos_current = ftell(file);
long current_frame = 0;
for (range_i = g_frame_ranges.begin(); range_i != g_frame_ranges.end(); range_i++)
{
for (i = (*range_i).first; i <= (int)(*range_i).last; i++, current_frame++)
{
fseek(file, pos_tags + totalTags*112*current_frame + (int)lTags.size()*112 + 64, SEEK_SET);
// origin
putFloat(tag_pivot_origin[current_frame].x, file);
putFloat(tag_pivot_origin[current_frame].y, file);
putFloat(tag_pivot_origin[current_frame].z, file);
}
}
fseek(file, pos_current, SEEK_SET);
}
tag_pivot_volume.clear();
tag_pivot_origin.clear();
// write frame data
ExportState("Writing culling info");
long current_frame = 0;
pos_current = ftell(file);
for (range_i = g_frame_ranges.begin(); range_i != g_frame_ranges.end(); range_i++)
{
for (i = (*range_i).first; i <= (int)(*range_i).last; i++, current_frame++)
{
fseek(file, pos_framestart + current_frame*56, SEEK_SET);
putFloat(lFrameBBoxMin[current_frame].x, file); // bbox min vector
putFloat(lFrameBBoxMin[current_frame].y, file);
putFloat(lFrameBBoxMin[current_frame].z, file);
putFloat(lFrameBBoxMax[current_frame].x, file); // bbox max vector
putFloat(lFrameBBoxMax[current_frame].y, file);
putFloat(lFrameBBoxMax[current_frame].z, file);
putFloat(0, file); // local origin (usually 0 0 0)
putFloat(0, file);
putFloat(0, file);
putFloat(max(lFrameBBoxMin[current_frame].Length(), lFrameBBoxMax[current_frame].Length()) , file); // radius of bounding sphere
}
}
fseek(file, pos_current, SEEK_SET);
lFrameBBoxMin.clear();
lFrameBBoxMax.clear();
// fill in filesize
pos_current = ftell(file);
fseek(file, pos_filesize, SEEK_SET);
put32(pos_current, file);
fseek(file, pos_current, SEEK_SET);
fclose(file);
ExportDebug(" total: %i vertexes, %i triangles", totalVerts, totalTris);
return TRUE;
}
//***************************************************************************
// Calculate ambient or diffuse color at each vertex.
// Pass in TRUE as the "diffuse" parameter to calculate the diffuse color.
// If FALSE is passed in, ambient color is calculated.
//***************************************************************************
BOOL calcMixedVertexColors(INode* node, TimeValue t, int lightModel, ColorTab& vxColTab, EvalColProgressCallback* fn)
{
ObjectState ostate;
BOOL deleteTri;
Mesh* mesh;
SContext sc;
DefaultLight dl1, dl2;
MtlBaseLib mtls;
Matrix3 tm;
sc.SetNodeAndTime(node, t);
tm = sc.tmAfterWSM;
TriObject* tri = GetTriObjectFromNode(node, t, deleteTri);
// We will only work on GeomObjects
if (!tri) {
return FALSE;
}
// Get the mesh from the object
mesh = &tri->GetMesh();
if (!mesh) {
return FALSE;
}
// If the node doesn't have a material attached,
// we create a dummy material.
Mtl* mtl = node->GetMtl();
if (!mtl) {
mtl = new DumMtl(Color(node->GetWireColor()));
}
mesh->buildRenderNormals();
vxColTab.ZeroCount();
vxColTab.Shrink();
sc.SetMesh(mesh);
sc.CalcBoundObj();
// Add the material to the list
mtls.AddMtl(mtl);
// Setup ambient light
if (lightModel == LIGHT_AMBIENT) {
sc.SetAmbientLight(Color(1.0f, 1.0f, 1.0f));
}
else {
sc.SetAmbientLight(Color(0.0f, 0.0f, 0.0f));
}
// If we're using the real lights, we need to find them first
if (lightModel == LIGHT_SCENELIGHT) {
AddSceneLights(&sc, &mtls);
// Add default lights if there are no lights in the scene
if (sc.lightTab.Count() == 0) {
dl1.ls.intens = 1.0f;
dl1.ls.color = Color(0.8f, 0.8f, 0.8f);
dl1.ls.type = OMNI_LGT;
dl1.tm = TransMatrix(1000.0f * Point3(-900.0f, -1000.0f, 1500.0f));
dl2.ls.intens = 1.0f;
dl2.ls.color = Color(0.8f, 0.8f, 0.8f);
dl2.ls.type = OMNI_LGT;
dl2.tm = TransMatrix(-1000.0f * Point3(-900.0f, -1000.0f, 1500.0f));
sc.AddLight(new LightInfo(&dl1));
sc.AddLight(new LightInfo(&dl2));
}
sc.SetAmbientLight(GetCOREInterface()->GetAmbient(t, FOREVER));
}
sc.UpdateLights();
// Update material
mtl->Update(t, FOREVER);
int numVerts = mesh->numVerts;
for (unsigned int v = 0; v < (unsigned)numVerts; v++) {
if (fn) {
if (fn->progress(float(v)/float(numVerts))) {
if (deleteTri) {
delete tri;
}
mtls.Empty();
if (mtl->ClassID() == DUMMTL_CLASS_ID) {
delete mtl;
}
// What to return here is up for discussion.
// 1) We are aborting so FALSE might be in order.
// 2) We have calculated some colors. Let's use what we've got so far.
return TRUE;
}
}
// Create a new entry
Color* vxCol = new Color;
Point3 tmpCol(0.0f, 0.0f, 0.0f);
int numShades = 0;
BitArray faceList;
faceList.SetSize(mesh->numFaces, 0);
// Get vertex normal
// We also pass in a BitArray that will be filled in with
// to inform us to which faces this vertex belongs.
// We could do this manually, but we need to do it to get
// the vertex normal anyway so this is done to speed things
// up a bit.
Point3 vxNormal = interpVertexNormal(mesh, tm, v, faceList);
Point3 viewDir = -vxNormal;
Point3 viewPoint = tm*mesh->verts[v] + 5.0f*vxNormal;
Point3 lightPos = viewPoint;
Point3 viewTarget = tm*mesh->verts[v];
// We now have a viewpoint and a view target.
// Now we just have to shade this point on the mesh in order
// to get it's color.
// Note:
// Since materials are assigned on Face basis we need to render each
// vertex as many times as it has connecting faces.
// the colors collected are mixed to get the resulting
// color at each vertex.
for (int nf = 0; nf < faceList.GetSize(); nf++) {
if (faceList[nf]) {
// render vertex for this face.
sc.SetViewPoint(viewPoint);
sc.SetTargetPoint(viewTarget);
sc.SetViewDir(viewDir);
sc.SetFaceNum(nf);
Face* f = &mesh->faces[nf];
sc.SetMtlNum(f->getMatID());
sc.CalcNormals();
// Setup the barycentric coordinate
if (mesh->faces[nf].v[0] == v)
sc.SetBaryCoord(Point3(1.0f, 0.0f, 0.0f));
else if (mesh->faces[nf].v[1] == v)
sc.SetBaryCoord(Point3(0.0f, 1.0f, 0.0f));
else if (mesh->faces[nf].v[2] == v)
sc.SetBaryCoord(Point3(0.0f, 0.0f, 1.0f));
// Use diffuse color instead of ambient
// The only difference is that we create a special light
// located at the viewpoint and we set the ambient light to black.
if (lightModel == LIGHT_DIFFUSE) {
dl1.ls.intens = 1.0f;
dl1.ls.color = Color(0.8f, 0.8f, 0.8f);
dl1.ls.type = OMNI_LGT;
dl1.tm = TransMatrix(lightPos);
sc.ClearLights();
sc.AddLight(new LightInfo(&dl1));
sc.UpdateLights();
}
// Shade the vertex
mtl->Shade(sc);
tmpCol.x += sc.out.c.r;
tmpCol.y += sc.out.c.g;
tmpCol.z += sc.out.c.b;
numShades++;
}
}
// The color mixes. We just add the colors together and
// then divide with as many colors as we added.
if (numShades > 0) {
tmpCol = tmpCol / (float)numShades;
}
vxCol->r = tmpCol.x;
vxCol->g = tmpCol.y;
vxCol->b = tmpCol.z;
vxCol->ClampMinMax();
// Append the Color to the table. If the array needs
// to be realloc'ed, allocate extra space for 100 points.
vxColTab.Append(1, &vxCol, 100);
}
// Some objects gives us a temporary mesh that we need to delete afterwards.
if (deleteTri) {
delete tri;
}
mtls.Empty();
if (mtl->ClassID() == DUMMTL_CLASS_ID) {
delete mtl;
}
return TRUE;
}
/*
int MshExp::ExportMeshTiles(Interface* ip,INode* node,TimeValue t_start,TimeValue t_end,int tiles_count)
{
// Get animation range
Interval animRange = ip->GetAnimRange();
TimeValue curtime;
curtime = animRange.Start();
}
*/
int MshExp::ExportMesh(const TCHAR *filename,Interface* i,INode* node,TimeValue curtime)
{
char buf[4096];
void* cur=buf;
void* end=buf+sizeof(buf);
// Verifie les arguments
if(node==0){
NP_LOG("ExportMesh: !node");
return 0;
}
/*-----------------------------------------------------
Obtient l'objet Mesh
-----------------------------------------------------*/
// Frame a exporter
if(curtime<0)
curtime = i->GetTime();
// Obtient la matrice de transformation
Matrix3 tm = TransformNode(node,curtime,this->exportTransform);
// Evalue l'objet a partir du noeud
ObjectState os = node->EvalWorldState(curtime);
if(!os.obj || os.obj->SuperClassID()!=GEOMOBJECT_CLASS_ID){
NP_LOG("ExportMesh: !ObjectState");
return 0;
}
Interval objRange = os.obj->ObjectValidity(curtime);
// convertie l'objet en Tiangles
BOOL needDel;
TriObject* tri = GetTriObjectFromNode(node, curtime, needDel);
if (!tri) {
NP_LOG("ExportMesh: !TriObject");
return 0;
}
// obtient le maillage
Mesh* mesh = &tri->GetMesh();
// obtient le nombre de points
uint npoint=(uint)mesh->getNumVerts();
// construit les normals
mesh->buildNormals();
// obtient le nombre de faces
uint nfaces=(uint)mesh->getNumFaces();
//Supprime l'objet TriObject, si necessaire
if(needDel) {
delete tri;
}
/*-----------------------------------------------------
Exporte les triangles
-----------------------------------------------------*/
//Obtient la matrice de transformation
tm = TransformNode(node,curtime,this->exportTransform);
// Evalue l'objet a partir du node
os = node->EvalWorldState(curtime);
objRange = os.obj->ObjectValidity(curtime);
// convertie l'objet en Tiangles
tri = GetTriObjectFromNode(node, curtime, needDel);
if (!tri) {
NP_LOG("ExportMesh: !TriObject");
return 0;
}
// obtient le maillage
mesh = &tri->GetMesh();
// construit les normals
mesh->buildNormals();
// copie les faces
for(uint y=0; y<nfaces; y++)
{
Face* face;
uint facenumber=0;//numero de la face dans l'index du maillage 3DS
//obtient la face en cours
face = &mesh->faces[y];
facenumber = y;
//////////////////////////////////////////////
// Definit les 3 points de la face
//////////////////////////////////////////////
for(uint w=0;w<3;w++)
{
if((cur = descWriteText(cur,end,"point")==0)
return 0;
Point3 pos;
Point3 nml;
Point3 clr;
UVVert tex;
uint nvertex;
// obtient le point
nvertex = face->v[w];
pos = tm * mesh->verts[nvertex];
float point[3]={pos.x,pos.y,pos.z};
if((cur = descWriteStruct(cur,end,Point3_t,sizeof(Point3_t)/sizeof(Point3_t[0]),&point))==0)
return 0;
// obtient les normals
nvertex = face->getVert(w);
nml = GetVertexNormal(mesh, face, mesh->getRVertPtr(nvertex));
float normal[3]={nml.x,nml.y,nml.z};
if((cur = descWriteStruct(cur,end,Normal_t,sizeof(Normal_t)/sizeof(Normal_t[0]),&normal))==0)
return 0;
// obtient les coordonnees de texture
if(mesh->tvFace){
nvertex = mesh->tvFace[facenumber].t[w];
tex = mesh->tVerts[nvertex];
float textureMap[3]={tex.x,tex.y,tex.z};
if((cur = descWriteStruct(cur,end,TextureMap_t,sizeof(TextureMap_t)/sizeof(TextureMap_t[0]),&textureMap))==0)
return 0;
}
// obtient la couleur
if(mesh->vcFace){
nvertex = mesh->vcFace[facenumber].t[w];
clr = mesh->vertCol[nvertex];
float color[3]={clr.x,clr.y,clr.z};
if((cur = descWriteStruct(cur,end,Color_t,sizeof(Color_t)/sizeof(Color_t[0]),&color))==0)
return 0;
}
}
}
//Supprime l'objet TriObject, si necessaire
if(needDel) {
delete tri;
}
/* ecrit les donnees de la structure */
if(!fileWrite(filename,0,buf,(char*)cur))
return 0;
NP_LOG("done");
return 1;
}
