Assimp

.java

OUTPUT
[20:42:27.567] 1095 [main] DEBUG com.intermetto.engine.util.StaticMeshLoader  - # Processing 2 materials...
[20:42:27.568] 1096 [main] DEBUG com.intermetto.engine.util.StaticMeshLoader  - Processing [0] material...
0.6-0.6-0.6 - result: 0
0.0-0.0-0.0 - result: 0
0.0-0.0-0.0 - result: 0












[20:42:27.572] 1100 [main] DEBUG com.intermetto.engine.util.StaticMeshLoader  - Material [0] loaded.
[20:42:27.572] 1100 [main] DEBUG com.intermetto.engine.util.StaticMeshLoader  - Processing [1] material...
0.6-0.6-0.6 - result: 0
0.0-0.0-0.0 - result: 0
0.0-0.0-0.0 - result: 0












[20:42:27.572] 1100 [main] DEBUG com.intermetto.engine.util.StaticMeshLoader  - Material [1] loaded.
[20:42:27.573] 1101 [main] DEBUG com.intermetto.engine.util.StaticMeshLoader  - # Model /models/monkey.obj has been loaded. Meshes: 1, Materials: 2

...
  
List<Material> materials = new ArrayList<>();
for (int i = 0; i < numMaterials; i++) {
    LOGGER.debug("Processing [{}] material...", i);
    AIMaterial aiMaterial = AIMaterial.create(aiMaterials.get(i));
    Material material = processMaterial(aiMaterial);
    LOGGER.debug("Material [{}] loaded.", i);
    materials.add(material);
}

...
  
private static Material processMaterial(AIMaterial aiMaterial) {
    AIString path = AIString.calloc();
    Assimp.aiGetMaterialTexture(aiMaterial, Assimp.aiTextureType_DIFFUSE, 0, path, (IntBuffer) null,null, null, null, null, null);

    printColor(aiMaterial,Assimp.AI_MATKEY_COLOR_DIFFUSE);
    printColor(aiMaterial,Assimp.AI_MATKEY_COLOR_AMBIENT);
    printColor(aiMaterial,Assimp.AI_MATKEY_COLOR_SPECULAR);

    printTexture(aiMaterial,Assimp.aiTextureType_DIFFUSE);
    printTexture(aiMaterial,Assimp.aiTextureType_SPECULAR);
    printTexture(aiMaterial,Assimp.aiTextureType_AMBIENT);
    printTexture(aiMaterial,Assimp.aiTextureType_EMISSIVE);
    printTexture(aiMaterial,Assimp.aiTextureType_HEIGHT);
    printTexture(aiMaterial,Assimp.aiTextureType_NORMALS);
    printTexture(aiMaterial,Assimp.aiTextureType_SHININESS);
    printTexture(aiMaterial,Assimp.aiTextureType_OPACITY);
    printTexture(aiMaterial,Assimp.aiTextureType_DISPLACEMENT);
    printTexture(aiMaterial,Assimp.aiTextureType_LIGHTMAP);
    printTexture(aiMaterial,Assimp.aiTextureType_REFLECTION);
    printTexture(aiMaterial,Assimp.aiTextureType_UNKNOWN);

    return null;
}

private static void printTexture(AIMaterial aiMaterial, int what){
    AIString path = AIString.calloc();
    Assimp.aiGetMaterialTexture(aiMaterial, what, 0, path, (IntBuffer) null,null, null, null, null, null);
    String textPath = path.dataString();
    System.out.println(textPath);
}

private static void printColor(AIMaterial aiMaterial, String what){
    AIColor4D colour = AIColor4D.create();
    int result = Assimp.aiGetMaterialColor(aiMaterial, what, Assimp.aiTextureType_NONE, 0,colour);
    System.out.println(colour.r()+"-"+colour.g()+"-"+colour.b()+" - result: "+result);
}