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Adding multitexture support to FBX importer

This commit is contained in:
Andrea Maggiordomo 2018-10-16 13:02:47 +02:00
parent bb87d68927
commit c67a33e45c
1 changed files with 25 additions and 14 deletions
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39
wrap/io_trimesh/import_fbx.h
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@ -151,26 +151,36 @@ public:
for (int i = 0; i < mesh_count; ++i) for (int i = 0; i < mesh_count; ++i)
{ {
baseVertexCount=m.vert.size(); baseVertexCount=m.vert.size();
int baseTextureIndexCount = m.textures.size();
const ofbx::Mesh& mesh = *scene->getMesh(i); const ofbx::Mesh& mesh = *scene->getMesh(i);
const ofbx::Geometry& geom = *mesh.getGeometry(); const ofbx::Geometry& geom = *mesh.getGeometry();
int materialId = *geom.getMaterials(); const int *materials = geom.getMaterials();
const ofbx::Material *mat = mesh.getMaterial(materialId);
assert(mat); // Load textured materials. The mesh object has pointers to the materials,
const ofbx::Texture *tex = mat->getTexture(ofbx::Texture::DIFFUSE); // the geometry object instead has a vector of FN material indices
char buf[128]; for (int mat_i = 0; mat_i < mesh.getMaterialCount(); ++mat_i) {
int curTexId = m.textures.size(); const ofbx::Material *mat = mesh.getMaterial(mat_i);
if(tex){ assert(mat);
tex->getRelativeFileName().toString(buf); const ofbx::Texture *tex = mat->getTexture(ofbx::Texture::DIFFUSE);
printf("Texture %s ",buf); char buf[1024];
m.textures.push_back(buf); if (tex) {
tex->getRelativeFileName().toString(buf); buf[1023] = 0;
if (std::string(buf) == "")
tex->getFileName().toString(buf); buf[1023] = 0;
printf("Texture %s\n", buf);
m.textures.push_back(buf);
}
} }
else printf ("mesh %i has no texture\n",i);
Matrix44d globTransfd(mesh.getGlobalTransform().m); Matrix44d globTransfd(mesh.getGlobalTransform().m);
/*
Matrix44f globTransf; Matrix44f globTransf;
globTransf.SetIdentity(); globTransf.SetIdentity();
globTransf.Import(globTransfd); globTransf.Import(globTransfd);
Transpose(globTransf); Transpose(globTransf);
*/
Transpose(globTransfd);
int vertex_count = geom.getVertexCount(); int vertex_count = geom.getVertexCount();
const ofbx::Vec3* vertices = geom.getVertices(); const ofbx::Vec3* vertices = geom.getVertices();
const ofbx::Vec2* texcoords = geom.getUVs(); const ofbx::Vec2* texcoords = geom.getUVs();
@ -179,7 +189,8 @@ public:
for (int j = 0; j < vertex_count; ++j) for (int j = 0; j < vertex_count; ++j)
{ {
ofbx::Vec3 vt = vertices[j]; ofbx::Vec3 vt = vertices[j];
CoordType v = globTransf*CoordType(vt.x, vt.y, vt.z); Point3d vd = globTransfd*Point3d(vt.x, vt.y, vt.z);
CoordType v(vd.X(), vd.Y(), vd.Z());
tri::Allocator<OpenMeshType>::AddVertex(m,v); tri::Allocator<OpenMeshType>::AddVertex(m,v);
if(cb && (m.vert.size()%1000) == 0 ) cb(m.vert.size() * 100 / totVert, "Vertex Loading"); if(cb && (m.vert.size()%1000) == 0 ) cb(m.vert.size() * 100 / totVert, "Vertex Loading");
} }
@ -200,7 +211,7 @@ public:
{ {
m.face.back().WT(k).u() = texcoords[j*3+k].x; m.face.back().WT(k).u() = texcoords[j*3+k].x;
m.face.back().WT(k).v() = texcoords[j*3+k].y; m.face.back().WT(k).v() = texcoords[j*3+k].y;
m.face.back().WT(k).n() = curTexId; m.face.back().WT(k).n() = baseTextureIndexCount + materials[j];
} }
} }
} }