示例#1
0
// ------------------------------------------------------------------------------------------------
void COBImporter::ReadBasicNodeInfo_Ascii(Node& msh, LineSplitter& splitter, const ChunkInfo& /*nfo*/)
{
    for(;splitter;++splitter) {
        if (splitter.match_start("Name")) {
            msh.name = std::string(splitter[1]);

            // make nice names by merging the dupe count
            std::replace(msh.name.begin(),msh.name.end(),
                ',','_');
        }
        else if (splitter.match_start("Transform")) {
            for(unsigned int y = 0; y < 4 && ++splitter; ++y) {
                const char* s = splitter->c_str();
                for(unsigned int x = 0; x < 4; ++x) {
                    SkipSpaces(&s);
                    msh.transform[y][x] = fast_atof(&s);
                }
            }
            // we need the transform chunk, so we won't return until we have it.
            return;
        }
    }
}
示例#2
0
// ------------------------------------------------------------------------------------------------
void COBImporter::ReadPolH_Ascii(Scene& out, LineSplitter& splitter, const ChunkInfo& nfo)
{
    if(nfo.version > 8) {
        return UnsupportedChunk_Ascii(splitter,nfo,"PolH");
    }

    out.nodes.push_back(std::shared_ptr<Mesh>(new Mesh()));
    Mesh& msh = (Mesh&)(*out.nodes.back().get());
    msh = nfo;

    ReadBasicNodeInfo_Ascii(msh,++splitter,nfo);

    // the chunk has a fixed order of components, but some are not interesting of us so
    // we're just looking for keywords in arbitrary order. The end of the chunk is
    // either the last `Face` or the `DrawFlags` attribute, depending on the format ver.
    for(;splitter;++splitter) {
        if (splitter.match_start("World Vertices")) {
            const unsigned int cnt = strtoul10(splitter[2]);
            msh.vertex_positions.resize(cnt);

            for(unsigned int cur = 0;cur < cnt && ++splitter;++cur) {
                const char* s = splitter->c_str();

                aiVector3D& v = msh.vertex_positions[cur];

                SkipSpaces(&s);
                v.x = fast_atof(&s);
                SkipSpaces(&s);
                v.y = fast_atof(&s);
                SkipSpaces(&s);
                v.z = fast_atof(&s);
            }
        }
        else if (splitter.match_start("Texture Vertices")) {
            const unsigned int cnt = strtoul10(splitter[2]);
            msh.texture_coords.resize(cnt);

            for(unsigned int cur = 0;cur < cnt && ++splitter;++cur) {
                const char* s = splitter->c_str();

                aiVector2D& v = msh.texture_coords[cur];

                SkipSpaces(&s);
                v.x = fast_atof(&s);
                SkipSpaces(&s);
                v.y = fast_atof(&s);
            }
        }
        else if (splitter.match_start("Faces")) {
            const unsigned int cnt = strtoul10(splitter[1]);
            msh.faces.reserve(cnt);

            for(unsigned int cur = 0; cur < cnt && ++splitter ;++cur) {
                if (splitter.match_start("Hole")) {
                    LogWarn_Ascii(splitter,"Skipping unsupported `Hole` line");
                    continue;
                }

                if (!splitter.match_start("Face")) {
                    ThrowException("Expected Face line");
                }

                msh.faces.push_back(Face());
                Face& face = msh.faces.back();

                face.indices.resize(strtoul10(splitter[2]));
                face.flags = strtoul10(splitter[4]);
                face.material = strtoul10(splitter[6]);

                const char* s = (++splitter)->c_str();
                for(size_t i = 0; i < face.indices.size(); ++i) {
                    if(!SkipSpaces(&s)) {
                        ThrowException("Expected EOL token in Face entry");
                    }
                    if ('<' != *s++) {
                        ThrowException("Expected < token in Face entry");
                    }
                    face.indices[i].pos_idx = strtoul10(s,&s);
                    if (',' != *s++) {
                        ThrowException("Expected , token in Face entry");
                    }
                    face.indices[i].uv_idx = strtoul10(s,&s);
                    if ('>' != *s++) {
                        ThrowException("Expected < token in Face entry");
                    }
                }
            }
            if (nfo.version <= 4) {
                break;
            }
        }
        else if (splitter.match_start("DrawFlags")) {
            msh.draw_flags = strtoul10(splitter[1]);
            break;
        }
    }
}