// -------------------------------------------------------------------------------
void FindSceneCenter (aiScene* scene, aiVector3D& out, aiVector3D& min, aiVector3D& max)
{
if (scene->mNumMeshes == 0) return;
FindMeshCenter(scene->mMeshes[0], out, min, max);
for (unsigned int i = 1; i < scene->mNumMeshes; ++i)
{
aiVector3D tout, tmin, tmax;
FindMeshCenter(scene->mMeshes[i], tout, tmin, tmax);
if (min[0] > tmin[0]) min[0] = tmin[0];
if (min[1] > tmin[1]) min[1] = tmin[1];
if (min[2] > tmin[2]) min[2] = tmin[2];
if (max[0] < tmax[0]) max[0] = tmax[0];
if (max[1] < tmax[1]) max[1] = tmax[1];
if (max[2] < tmax[2]) max[2] = tmax[2];
}
out = min + (max-min)*0.5f;
}
// -------------------------------------------------------------------------------
void FindMeshCenter (aiMesh* mesh, aiVector3D& out)
{
aiVector3D min,max;
FindMeshCenter(mesh,out,min,max);
}
void Model::init_model(UString filePath)
{
std::string _path;
#if defined(VIX_SYS_WINDOWS) && defined(UNICODE)
UConverter cv;
_path = cv.to_bytes(filePath);
#else
_path = filePath;
#endif
Assimp::Importer imp;
const aiScene* scene = imp.ReadFile(_path,
aiProcess_CalcTangentSpace |
aiProcess_Triangulate |
aiProcess_JoinIdenticalVertices |
aiProcess_SortByPType |
aiProcess_GenUVCoords);
if(!scene) {
// DebugPrintF(VTEXT("ASSIMP: Error could not read file [%s]"), _path);
return;
}
size_t numMeshes = scene->mNumMeshes;
aiString diffuse;
aiString bump;
for(size_t i = 0; i < numMeshes; i++)
{
aiMesh* mesh = scene->mMeshes[i];
size_t matIndex = mesh->mMaterialIndex;
aiMaterial* mat = scene->mMaterials[matIndex];
aiGetMaterialTexture(mat, aiTextureType_DIFFUSE, 0, &diffuse);
aiGetMaterialTexture(mat, aiTextureType_HEIGHT, 0, &bump);
aiColor4D color;
aiGetMaterialColor(mat, AI_MATKEY_COLOR_DIFFUSE, &color);
printf("MATCOLOR [%f, %f, %f, %f]\n", color.r, color.g, color.b, color.a);
printf("MATTEXT [DIFFUSE: %s]\n", diffuse.data);
printf("MATTEXT [BUMP: %s]\n", bump.data);
/*INIT MODEL CENTROID, SIZE, MIN, AND MAX*/
/*USED FOR COLLIDER*/
aiVector3D min, max, center;
FindMeshCenter(mesh, center, min, max);
m_min = Vec3(min.x, min.y, min.z);
m_max = Vec3(max.x, max.y, max.z);
m_size = m_max - m_min;
m_centroid = Vec3(center.x, center.y, center.z);
InitMesh(mesh);
}
if(diffuse.C_Str()) {
UString texPath = Vixen::UStringFromCharArray(diffuse.data);
m_texture = new GLTexture(texPath);
}
if(bump.C_Str()) {
UString texPath = Vixen::UStringFromCharArray(bump.data);
m_bump = new GLTexture(texPath);
}
m_initialized = true;
}
