Here's the code:
Mesh.cpp
Code: Select all
bool Mesh::InitMaterials(const aiScene* pScene, const std::string& Filename)
{
// Extract the directory part from the file name
std::string::size_type SlashIndex = Filename.find_last_of("/");
std::string Dir;
if (SlashIndex == std::string::npos) {
Dir = ".";
}
else if (SlashIndex == 0) {
Dir = "/";
}
else {
Dir = Filename.substr(0, SlashIndex);
}
bool Ret = true;
// Initialize the materials
for (unsigned int i = 0; i < pScene->mNumMaterials; i++) {
const aiMaterial* pMaterial = pScene->mMaterials[i];
m_Textures[i] = NULL;
if (pMaterial->GetTextureCount(aiTextureType_DIFFUSE) > 0) {
aiString Path;
if (pMaterial->GetTexture(aiTextureType_DIFFUSE, 0, &Path, NULL, NULL, NULL, NULL, NULL) == AI_SUCCESS) {
std::string FullPath = Dir + "/" + Path.data;
m_Textures[i] = new Texture(GL_TEXTURE_2D, FullPath.c_str());
if (!m_Textures[i]->Load()) {
printf("Error loading texture '%s'\n", FullPath.c_str());
delete m_Textures[i];
m_Textures[i] = NULL;
Ret = false;
}
else {
printf("Loaded texture '%s'\n", FullPath.c_str());
}
}
}
// Load a white texture in case the model does not include its own texture
if (!m_Textures[i]) {
m_Textures[i] = new Texture(GL_TEXTURE_2D, "/Resources/white.jpg");
Ret = m_Textures[i]->Load();
}
}
return Ret;
}
Texture.cpp:
Code: Select all
bool Texture::Load()
{
try {
m_pImage = new Magick::Image(m_fileName);
m_pImage->write(&m_blob, "RGBA");
}
catch (Magick::Error& Error) {
std::cout << "Error loading texture '" << m_fileName << "': " << Error.what() << std::endl;
return false;
}
glGenTextures(1, &m_textureObj);
glBindTexture(m_textureTarget, m_textureObj);
glTexImage2D(m_textureTarget, 0, GL_RGBA, m_pImage->columns(), m_pImage->rows(), 0, GL_RGBA, GL_UNSIGNED_BYTE, m_blob.data());
glTexParameterf(m_textureTarget, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameterf(m_textureTarget, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
return true;
}
