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;
}
//=================================================================
// Methods for DumpModelTEP
//
int DumpModelTEP::callback(INode *pnode)
{
Object* pobj;
int fHasMat = TRUE;
// clear physique export parameters
m_mcExport = NULL;
m_phyExport = NULL;
m_phyMod = NULL;
ASSERT_MBOX(!(pnode)->IsRootNode(), "Encountered a root node!");
if (::FNodeMarkedToSkip(pnode))
return TREE_CONTINUE;
int iNode = ::GetIndexOfINode(pnode);
TSTR strNodeName(pnode->GetName());
// The Footsteps node apparently MUST have a dummy mesh attached! Ignore it explicitly.
if (FStrEq((char*)strNodeName, "Bip01 Footsteps"))
return TREE_CONTINUE;
// Helper nodes don't have meshes
pobj = pnode->GetObjectRef();
if (pobj->SuperClassID() == HELPER_CLASS_ID)
return TREE_CONTINUE;
// The model's root is a child of the real "scene root"
INode *pnodeParent = pnode->GetParentNode();
BOOL fNodeIsRoot = pnodeParent->IsRootNode( );
// Get node's material: should be a multi/sub (if it has a material at all)
Mtl *pmtlNode = pnode->GetMtl();
if (pmtlNode == NULL)
{
return TREE_CONTINUE;
fHasMat = FALSE;
}
else if (!(pmtlNode->ClassID() == Class_ID(MULTI_CLASS_ID, 0) && pmtlNode->IsMultiMtl()))
{
// sprintf(st_szDBG, "ERROR--Material on node %s isn't a Multi/Sub-Object", (char*)strNodeName);
// ASSERT_AND_ABORT(FALSE, st_szDBG);
fHasMat = FALSE;
}
// Get Node's object, convert to a triangle-mesh object, so I can access the Faces
ObjectState os = pnode->EvalWorldState(m_tvToDump);
pobj = os.obj;
TriObject *ptriobj;
BOOL fConvertedToTriObject =
pobj->CanConvertToType(triObjectClassID) &&
(ptriobj = (TriObject*)pobj->ConvertToType(m_tvToDump, triObjectClassID)) != NULL;
if (!fConvertedToTriObject)
return TREE_CONTINUE;
Mesh *pmesh = &ptriobj->mesh;
// Shouldn't have gotten this far if it's a helper object
if (pobj->SuperClassID() == HELPER_CLASS_ID)
{
sprintf(st_szDBG, "ERROR--Helper node %s has an attached mesh, and it shouldn't.", (char*)strNodeName);
ASSERT_AND_ABORT(FALSE, st_szDBG);
}
// Ensure that the vertex normals are up-to-date
pmesh->buildNormals();
// We want the vertex coordinates in World-space, not object-space
Matrix3 mat3ObjectTM = pnode->GetObjectTM(m_tvToDump);
// initialize physique export parameters
m_phyMod = FindPhysiqueModifier(pnode);
if (m_phyMod)
{
// Physique Modifier exists for given Node
m_phyExport = (IPhysiqueExport *)m_phyMod->GetInterface(I_PHYINTERFACE);
if (m_phyExport)
{
// create a ModContext Export Interface for the specific node of the Physique Modifier
m_mcExport = (IPhyContextExport *)m_phyExport->GetContextInterface(pnode);
if (m_mcExport)
{
// convert all vertices to Rigid
m_mcExport->ConvertToRigid(TRUE);
}
}
}
// Dump the triangle face info
int cFaces = pmesh->getNumFaces();
for (int iFace = 0; iFace < cFaces; iFace++)
{
Face* pface = &pmesh->faces[iFace];
TVFace* ptvface = &pmesh->tvFace[iFace];
DWORD smGroupFace = pface->getSmGroup();
// Get face's 3 indexes into the Mesh's vertex array(s).
DWORD iVertex0 = pface->getVert(0);
DWORD iVertex1 = pface->getVert(1);
DWORD iVertex2 = pface->getVert(2);
ASSERT_AND_ABORT((int)iVertex0 < pmesh->getNumVerts(), "Bogus Vertex 0 index");
ASSERT_AND_ABORT((int)iVertex1 < pmesh->getNumVerts(), "Bogus Vertex 1 index");
ASSERT_AND_ABORT((int)iVertex2 < pmesh->getNumVerts(), "Bogus Vertex 2 index");
// Get the 3 Vertex's for this face
Point3 pt3Vertex0 = pmesh->getVert(iVertex0);
Point3 pt3Vertex1 = pmesh->getVert(iVertex1);
Point3 pt3Vertex2 = pmesh->getVert(iVertex2);
// Get the 3 RVertex's for this face
// NOTE: I'm using getRVertPtr instead of getRVert to work around a 3DSMax bug
RVertex *prvertex0 = pmesh->getRVertPtr(iVertex0);
RVertex *prvertex1 = pmesh->getRVertPtr(iVertex1);
RVertex *prvertex2 = pmesh->getRVertPtr(iVertex2);
// Find appropriate normals for each RVertex
// A vertex can be part of multiple faces, so the "smoothing group"
// is used to locate the normal for this face's use of the vertex.
Point3 pt3Vertex0Normal;
Point3 pt3Vertex1Normal;
Point3 pt3Vertex2Normal;
if (smGroupFace)
{
pt3Vertex0Normal = Pt3GetRVertexNormal(prvertex0, smGroupFace);
pt3Vertex1Normal = Pt3GetRVertexNormal(prvertex1, smGroupFace);
pt3Vertex2Normal = Pt3GetRVertexNormal(prvertex2, smGroupFace);
}
else
{
pt3Vertex0Normal = pmesh->getFaceNormal( iFace );
pt3Vertex1Normal = pmesh->getFaceNormal( iFace );
pt3Vertex2Normal = pmesh->getFaceNormal( iFace );
}
ASSERT_AND_ABORT( Length( pt3Vertex0Normal ) <= 1.1, "bogus orig normal 0" );
ASSERT_AND_ABORT( Length( pt3Vertex1Normal ) <= 1.1, "bogus orig normal 1" );
ASSERT_AND_ABORT( Length( pt3Vertex2Normal ) <= 1.1, "bogus orig normal 2" );
// Get Face's sub-material from node's material, to get the bitmap name.
// And no, there isn't a simpler way to get the bitmap name, you have to
// dig down through all these levels.
TCHAR szBitmapName[256] = "null.bmp";
if (fHasMat)
{
MtlID mtlidFace = pface->getMatID();
if (mtlidFace >= pmtlNode->NumSubMtls())
{
sprintf(st_szDBG, "ERROR--Bogus sub-material index %d in node %s; highest valid index is %d",
mtlidFace, (char*)strNodeName, pmtlNode->NumSubMtls()-1);
// ASSERT_AND_ABORT(FALSE, st_szDBG);
mtlidFace = 0;
}
Mtl *pmtlFace = pmtlNode->GetSubMtl(mtlidFace);
ASSERT_AND_ABORT(pmtlFace != NULL, "NULL Sub-material returned");
if ((pmtlFace->ClassID() == Class_ID(MULTI_CLASS_ID, 0) && pmtlFace->IsMultiMtl()))
{
// it's a sub-sub material. Gads.
pmtlFace = pmtlFace->GetSubMtl(mtlidFace);
ASSERT_AND_ABORT(pmtlFace != NULL, "NULL Sub-material returned");
}
if (!(pmtlFace->ClassID() == Class_ID(DMTL_CLASS_ID, 0)))
{
sprintf(st_szDBG,
"ERROR--Sub-material with index %d (used in node %s) isn't a 'default/standard' material [%x].",
mtlidFace, (char*)strNodeName, pmtlFace->ClassID());
ASSERT_AND_ABORT(FALSE, st_szDBG);
}
StdMat *pstdmtlFace = (StdMat*)pmtlFace;
Texmap *ptexmap = pstdmtlFace->GetSubTexmap(ID_DI);
// ASSERT_AND_ABORT(ptexmap != NULL, "NULL diffuse texture")
if (ptexmap != NULL)
{
if (!(ptexmap->ClassID() == Class_ID(BMTEX_CLASS_ID, 0)))
{
sprintf(st_szDBG,
"ERROR--Sub-material with index %d (used in node %s) doesn't have a bitmap as its diffuse texture.",
mtlidFace, (char*)strNodeName);
ASSERT_AND_ABORT(FALSE, st_szDBG);
}
BitmapTex *pbmptex = (BitmapTex*)ptexmap;
strcpy(szBitmapName, pbmptex->GetMapName());
TSTR strPath, strFile;
SplitPathFile(TSTR(szBitmapName), &strPath, &strFile);
strcpy(szBitmapName,strFile);
}
}
UVVert UVvertex0( 0, 0, 0 );
UVVert UVvertex1( 1, 0, 0 );
UVVert UVvertex2( 0, 1, 0 );
// All faces must have textures assigned to them
if (pface->flags & HAS_TVERTS)
{
// Get TVface's 3 indexes into the Mesh's TVertex array(s).
DWORD iTVertex0 = ptvface->getTVert(0);
DWORD iTVertex1 = ptvface->getTVert(1);
DWORD iTVertex2 = ptvface->getTVert(2);
ASSERT_AND_ABORT((int)iTVertex0 < pmesh->getNumTVerts(), "Bogus TVertex 0 index");
ASSERT_AND_ABORT((int)iTVertex1 < pmesh->getNumTVerts(), "Bogus TVertex 1 index");
ASSERT_AND_ABORT((int)iTVertex2 < pmesh->getNumTVerts(), "Bogus TVertex 2 index");
// Get the 3 TVertex's for this TVFace
// NOTE: I'm using getRVertPtr instead of getRVert to work around a 3DSMax bug
UVvertex0 = pmesh->getTVert(iTVertex0);
UVvertex1 = pmesh->getTVert(iTVertex1);
UVvertex2 = pmesh->getTVert(iTVertex2);
}
else
{
//sprintf(st_szDBG, "ERROR--Node %s has a textureless face. All faces must have an applied texture.", (char*)strNodeName);
//ASSERT_AND_ABORT(FALSE, st_szDBG);
}
/*
const char *szExpectedExtension = ".bmp";
if (stricmp(szBitmapName+strlen(szBitmapName)-strlen(szExpectedExtension), szExpectedExtension) != 0)
{
sprintf(st_szDBG, "Node %s uses %s, which is not a %s file", (char*)strNodeName, szBitmapName, szExpectedExtension);
ASSERT_AND_ABORT(FALSE, st_szDBG);
}
*/
// Determine owning bones for the vertices.
int iNodeV0, iNodeV1, iNodeV2;
if (m_mcExport)
{
// The Physique add-in allows vertices to be assigned to bones arbitrarily
iNodeV0 = InodeOfPhyVectex( iVertex0 );
iNodeV1 = InodeOfPhyVectex( iVertex1 );
iNodeV2 = InodeOfPhyVectex( iVertex2 );
}
else
{
// Simple 3dsMax model: the vertices are owned by the object, and hence the node
iNodeV0 = iNode;
iNodeV1 = iNode;
iNodeV2 = iNode;
}
// Rotate the face vertices out of object-space, and into world-space space
Point3 v0 = pt3Vertex0 * mat3ObjectTM;
Point3 v1 = pt3Vertex1 * mat3ObjectTM;
Point3 v2 = pt3Vertex2 * mat3ObjectTM;
Matrix3 mat3ObjectNTM = mat3ObjectTM;
mat3ObjectNTM.NoScale( );
ASSERT_AND_ABORT( Length( pt3Vertex0Normal ) <= 1.1, "bogus pre normal 0" );
pt3Vertex0Normal = VectorTransform(mat3ObjectNTM, pt3Vertex0Normal);
ASSERT_AND_ABORT( Length( pt3Vertex0Normal ) <= 1.1, "bogus post normal 0" );
ASSERT_AND_ABORT( Length( pt3Vertex1Normal ) <= 1.1, "bogus pre normal 1" );
pt3Vertex1Normal = VectorTransform(mat3ObjectNTM, pt3Vertex1Normal);
ASSERT_AND_ABORT( Length( pt3Vertex1Normal ) <= 1.1, "bogus post normal 1" );
ASSERT_AND_ABORT( Length( pt3Vertex2Normal ) <= 1.1, "bogus pre normal 2" );
pt3Vertex2Normal = VectorTransform(mat3ObjectNTM, pt3Vertex2Normal);
ASSERT_AND_ABORT( Length( pt3Vertex2Normal ) <= 1.1, "bogus post normal 2" );
// Finally dump the bitmap name and 3 lines of face info
fprintf(m_pfile, "%s\n", szBitmapName);
fprintf(m_pfile, "%3d %8.4f %8.4f %8.4f %8.4f %8.4f %8.4f %8.4f %8.4f\n",
iNodeV0, v0.x, v0.y, v0.z,
pt3Vertex0Normal.x, pt3Vertex0Normal.y, pt3Vertex0Normal.z,
UVvertex0.x, UVvertex0.y);
fprintf(m_pfile, "%3d %8.4f %8.4f %8.4f %8.4f %8.4f %8.4f %8.4f %8.4f\n",
iNodeV1, v1.x, v1.y, v1.z,
pt3Vertex1Normal.x, pt3Vertex1Normal.y, pt3Vertex1Normal.z,
UVvertex1.x, UVvertex1.y);
fprintf(m_pfile, "%3d %8.4f %8.4f %8.4f %8.4f %8.4f %8.4f %8.4f %8.4f\n",
iNodeV2, v2.x, v2.y, v2.z,
pt3Vertex2Normal.x, pt3Vertex2Normal.y, pt3Vertex2Normal.z,
UVvertex2.x, UVvertex2.y);
}
cleanup( );
return TREE_CONTINUE;
}
