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yyepe! finally figured out the multitexture and uvset connection: this fix will enable artists to view imported multitextures

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This commit is contained in:
Asad M. Zaman 2005-12-10 04:06:07 +00:00
parent dd024406b1
commit 0475f06d9b
4 changed files with 104 additions and 32 deletions
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28
pandatool/src/maya/mayaShaderColorDef.cxx
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@ -224,6 +224,26 @@ reset_maya_texture(const Filename &texture) {
return false;
}
////////////////////////////////////////////////////////////////////
// Function: MayaShaderColorDef::strip_prefix
// Access: Private
// Description: Maya puts a prefix on shader nameswhen files are
// imported. This routine strips that out before writing
// egg file. //This was a hack: not needed anymore
////////////////////////////////////////////////////////////////////
string MayaShaderColorDef::
strip_prefix(string full_name) {
string axed_name;
size_t cut_point = full_name.find(":");
if (cut_point != string::npos) {
axed_name = full_name.substr(cut_point+1);
maya_cat.spam() << "stripped from: " << full_name << "-> to: " << axed_name << endl;
return axed_name;
}
return full_name;
}
////////////////////////////////////////////////////////////////////
// Function: MayaShaderColorDef::read_surface_color
// Access: Private
@ -258,6 +278,14 @@ read_surface_color(MayaShader *shader, MObject color, bool trans) {
_has_texture = false;
set_string_attribute(color, "fileTextureName", "");
}
/*
// Asad: testcode
bool file_has_alpha = false;
get_bool_attribute(color, "fileHasAlpha", file_has_alpha);
if (file_has_alpha) {
maya_cat.info() << _texture_filename << " : has alpha" << endl;
}
*/
}
get_vec2f_attribute(color, "coverage", _coverage);

2
pandatool/src/maya/mayaShaderColorDef.h
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@ -39,6 +39,8 @@ public:
MayaShaderColorDef(MayaShaderColorDef&);
~MayaShaderColorDef();
string strip_prefix(string full_name);
LMatrix3d compute_texture_matrix() const;
bool has_projection() const;
TexCoordd project_uv(const LPoint3d &pos, const LPoint3d &ref_point) const;

91
pandatool/src/mayaegg/mayaToEggConverter.cxx
View File

@ -1672,16 +1672,52 @@ make_polyset(MayaNodeDesc *node_desc, const MDagPath &dag_path,
}
}
vector_string uvset_names;
MStringArray maya_uvset_names;
status = mesh.getUVSetNames(maya_uvset_names);
if (!status) {
status.perror("MFnMesh getUVSetNames not found");
//return;
}
_uvset_names.clear();
for (size_t ui=0; ui<maya_uvset_names.length(); ++ui) {
mayaegg_cat.debug() << "uv_set[" << ui << "] name: " << maya_uvset_names[ui].asChar() << endl;
uvset_names.push_back(maya_uvset_names[ui].asChar());
_uvset_names.push_back(maya_uvset_names[ui].asChar());
}
// test the connection editor to gather the link to the texture name
MFnDependencyNode dn(mesh_object);
MStringArray mresult;
MPlugArray pla;
_tex_names.clear();
dn.getConnections(pla);
mayaegg_cat.spam() << "number of connections: " << pla.length() << endl;
string uv1("uvLink -query -uvSet ");
uv1.append(mesh.name().asChar());
uv1.append(".uvSet[0].uvSetName");
MGlobal::executeCommand(MString(uv1.c_str()), mresult);
string tcat;
for (size_t k=0; k<mresult.length(); ++k) {
maya_cat.spam() << "found uvLink to texture: " << mresult[k].asChar() << endl;
tcat.append(mresult[k].asChar());
}
maya_cat.debug() << "saving string to look up uvset: " << tcat << endl;
_tex_names.push_back(tcat);
for (size_t j=0; j<pla.length(); ++j) {
MPlug pl = pla[j];
//maya_cat.info() << pl.name() << " is(pl) " << pl.node().apiTypeStr() << endl;
string tn;
string ts = pl.name().asChar();
if (ts.find("uvSetName") != string::npos) {
string execString = "uvLink -query -uvSet " + ts;
//maya_cat.info() << "executing command: " << execString << "\n";
MGlobal::executeCommand(MString(execString.c_str()), mresult);
for (size_t k=0; k<mresult.length(); ++k) {
maya_cat.spam() << "found uvLink to texture: " << mresult[k].asChar() << endl;
tcat.append(mresult[k].asChar());
}
maya_cat.debug() << "saving string: " << tcat << endl;
_tex_names.push_back(tcat);
}
}
while (!pi.isDone()) {
@ -1710,7 +1746,7 @@ make_polyset(MayaNodeDesc *node_desc, const MDagPath &dag_path,
// And apply the shader properties to the polygon.
if (shader != (MayaShader *)NULL) {
set_shader_attributes(*egg_poly, *shader, &pi, uvset_names);
set_shader_attributes(*egg_poly, *shader, &pi);
color_def = shader->get_color_def();
}
@ -1779,9 +1815,9 @@ make_polyset(MayaNodeDesc *node_desc, const MDagPath &dag_path,
// Go thru all the texture references for this primitive and set uvs
mayaegg_cat.debug() << "shader->_color.size is " << shader->_color.size() << endl;
mayaegg_cat.debug() << "primitive->tref.size is " << egg_poly->get_num_textures() << endl;
for (size_t ti=0; ti< uvset_names.size(); ++ti) {
for (size_t ti=0; ti< _uvset_names.size(); ++ti) {
// get the eggTexture pointer
string colordef_uv_name = uvset_name= uvset_names[ti];
string colordef_uv_name = uvset_name= _uvset_names[ti];
mayaegg_cat.debug() << "--uvset_name :" << uvset_name << endl;
if (uvset_name == "map1") // this is the name to look up by in maya
@ -2220,6 +2256,23 @@ get_vertex_weights(const MDagPath &dag_path, const MFnNurbsSurface &surface,
return false;
}
////////////////////////////////////////////////////////////////////
// Function: MayaShader::find_uv_link
// Access: Private
// Description: given the texture name, find corresponding uvLink
////////////////////////////////////////////////////////////////////
string MayaToEggConverter::
find_uv_link(string match) {
// find the index of this string in the _tex_names
int idx = 0;
vector_string::iterator vi;
for (vi = _tex_names.begin(); vi != _tex_names.end(); ++vi, ++idx) {
if (vi->find(match) != string::npos) {
return _uvset_names[idx];
}
}
return "error";
}
////////////////////////////////////////////////////////////////////
// Function: MayaShader::set_shader_attributes
@ -2232,7 +2285,7 @@ get_vertex_weights(const MDagPath &dag_path, const MFnNurbsSurface &surface,
////////////////////////////////////////////////////////////////////
void MayaToEggConverter::
set_shader_attributes(EggPrimitive &primitive, const MayaShader &shader,
const MItMeshPolygon *pi, const vector_string &uvset_names) {
const MItMeshPolygon *pi) {
//mayaegg_cat.spam() << " set_shader_attributes : begin\n";
@ -2246,23 +2299,11 @@ set_shader_attributes(EggPrimitive &primitive, const MayaShader &shader,
mayaegg_cat.spam() << "slot " << i << ":got color_def: " << color_def << endl;
if (color_def->_has_texture || trans_def._has_texture) {
EggTexture tex(shader.get_name(), "");
string uvset_name = color_def->_texture_name;
// look for this name in maya's uvset_names
if (uvset_names.size()){
if (uvset_name.length()) {
uvset_name.resize(uvset_name.length() - 1);
}
mayaegg_cat.spam() << "looking for uvset_name: " << uvset_name << " ";
for (size_t uvi = 0; uvi < uvset_names.size(); ++uvi){
if (uvset_names[uvi].find(uvset_name) != string::npos) {
uvset_name = uvset_names[uvi];
mayaegg_cat.spam() << "found maya uvset_name: " << uvset_name << endl;
}
}
}
mayaegg_cat.debug() << "got shader name:" << shader.get_name() << endl;
mayaegg_cat.debug() << "ssa:texture name[" << i << "]: " << color_def->_texture_name << endl;
maya_cat.debug() << "got shader name:" << shader.get_name() << endl;
maya_cat.debug() << "ssa:texture name[" << i << "]: " << color_def->_texture_name << endl;
string uvset_name = find_uv_link(color_def->_texture_name);
mayaegg_cat.debug() << "ssa:corresponding uvset name is " << uvset_name << endl;
if (color_def->_has_texture) {
// If we have a texture on color, apply it as the filename.
@ -2338,10 +2379,6 @@ set_shader_attributes(EggPrimitive &primitive, const MayaShader &shader,
if (tex.get_env_type() == EggTexture::ET_modulate) {
tex.set_alpha_mode(EggRenderMode::AM_off); // Force alpha to be 'off'
}
/*
if (!color_def->_alpha_is_luminance)
tex.set_alpha_mode(EggRenderMode::AM_off); // Force alpha to be 'off'
*/
}
}
} else { // trans_def._has_texture

9
pandatool/src/mayaegg/mayaToEggConverter.h
View File

@ -140,8 +140,8 @@ private:
// void set_shader_attributes(EggPrimitive &primitive,
// const MayaShader &shader);
void set_shader_attributes(EggPrimitive &primitive, const MayaShader &shader,
const MItMeshPolygon *pi = NULL,
const vector_string &uvset_names = vector_string());
const MItMeshPolygon *pi = NULL);
//const vector_string &uvset_names = vector_string());
void apply_texture_properties(EggTexture &tex,
const MayaShaderColorDef &color_def);
bool compare_texture_properties(EggTexture &tex,
@ -149,8 +149,13 @@ private:
bool reparent_decals(EggGroupNode *egg_parent);
string find_uv_link(string match);
string _program_name;
vector_string _uvset_names;
vector_string _tex_names;
bool _from_selection;
typedef pvector<GlobPattern> Globs;
Globs _subsets;