OUYAPlatform.cpp enterOuterspace (090913)

//this function loads are java helper class, which provides us
//with needed functionality from the android OS.
int enterOuterspace()
{
    // Ready are JNI interface.
        ANativeActivity* activity = __state->activity;
        JavaVM* jvm = __state->activity->vm;
        JNIEnv* env = NULL;
        jvm->GetEnv((void **)&env, JNI_VERSION_1_6);
        jint res = jvm->AttachCurrentThread(&env, NULL);
        if (res == JNI_ERR)
        {
            GP_ERROR("Failed to retrieve JVM environment when entering message pump.");
            return -1;
        }
        GP_ASSERT(env);

        //Lets get an application context object using a special little trick.

        jclass activityClass = env->FindClass("android/app/NativeActivity");
        GP_ASSERT(activityClass);

    jmethodID getClassLoader = env->GetMethodID(activityClass,"getClassLoader",
        "()Ljava/lang/ClassLoader;");
    GP_ASSERT(getClassLoader);

    jobject cls = env->CallObjectMethod(__state->activity->clazz, getClassLoader);
    GP_ASSERT(cls);

    jclass classLoader = env->FindClass("java/lang/ClassLoader");
    GP_ASSERT(classLoader);

    jmethodID findClass = env->GetMethodID(classLoader, "loadClass",
        "(Ljava/lang/String;)Ljava/lang/Class;");
    GP_ASSERT(findClass)

    jmethodID contextMethod = env->GetMethodID(activityClass, "getApplicationContext",
        "()Landroid/content/Context;");
    GP_ASSERT(contextMethod);

    jobject contextObj = env->CallObjectMethod(__state->activity->clazz, contextMethod);
    GP_ASSERT(contextObj);


    //We now call are java helper class methods.
    jclass classHelper = env->FindClass("org/community/combat/engine/Gameplay3DHelper");
        if(classHelper == 0)
        {
            print("Can't' Find Class! : org/community/combat/engine/Gameplay3DHelper");
            GP_ASSERT();
        }

        jmethodID methodHelperConstructor = env->GetMethodID(classHelper, "setupControllerAgent", "(android/content/Context)V");
        if (methodHelperConstructor == NULL)
    {
            print("Can't Find MethodID! : setupControllerAgent");
        GP_ASSERT();
    }

        env->CallVoidMethod(classHelper, methodHelperConstructor,contextObj);
        GP_ASSERT(helperObject);

        jvm->DetachCurrentThread();
}