/**
* Special version of changeGLController(), won't call pause() or dispose() in old GLController.
* Can for example be used if assets are transferred between GLController's. Can be called from
* anywhere within a GLController. Will pause and dispose of old GLController.
*
* @throws IllegalArgumentException if new GLController is null
* @param glController the new GLController
*/
public void changeGLControllerDontDispose(GLController glController) {
if (glController == null) {
throw new IllegalArgumentException("New GLController is null, not allowed.");
}
// Resumes new GLController
glController.onResume();
this.glController = glController;
catchBackKey(glController.catchBackKey());
}
@Override
public void onDrawFrame(GL10 unused) {
// Stores state in local variable to avoid synchronizing bugs.
State localState = null;
synchronized (this) {
localState = this.state;
}
switch (localState) {
case RUNNING:
// Calculates delta.
deltaTime = (System.nanoTime() - startTime) / 1000000000.0;
startTime = System.nanoTime();
// Calculates current fps.
frameCount++;
if (startTime - lastFPSCount >= 1000000000.0) {
fps = frameCount;
fpsBuilder.delete(5, fpsBuilder.length());
fpsBuilder.append(fps);
if (fps < 30) { // TODO: To be removed. Only log fps if it falls below 30.
Log.d("FPS", fpsBuilder.toString());
}
frameCount = 0;
lastFPSCount = System.nanoTime();
}
// Updates current GLController and GLView
glController.update(deltaTime, fps);
break;
case PAUSING:
glController.onPause();
synchronized (this) {
this.state = State.SLEEPING;
this.notifyAll();
}
break;
case FINISHING:
glController.onPause();
glController.dispose();
synchronized (this) {
this.state = State.SLEEPING;
this.notifyAll();
}
break;
case STARTING:
case SLEEPING:
default:
throw new AssertionError("Illegal state in GLActivity");
}
}
/**
* Changes GLController Can be called from anywhere within a GLController. Will pause and dipose
* of old GLController.
*
* @throws IllegalArgumentException if new GLController is null
* @param glController the new GLController
*/
@Deprecated // TODO: Not really deprecated, but is needed to make sure people don't use wrong
// method in project.
public void changeGLController(GLController glController) {
if (glController == null) {
throw new IllegalArgumentException("New GLController is null, not allowed.");
}
// Dispose of old GLController
this.glController.onPause();
this.glController.dispose();
// Resumes new GLController
glController.onResume();
this.glController = glController;
catchBackKey(glController.catchBackKey());
}
@Override
public void onSurfaceCreated(GL10 unused, EGLConfig config) {
// Resets fps counter.
startTime = System.nanoTime();
lastFPSCount = startTime;
frameCount = 0;
fps = 0;
deltaTime = 0;
synchronized (this) {
if (state == State.STARTING) { // Gets initial GLController if program is starting up.
glController = getInitialGLController(this);
}
state = State.RUNNING; // Surface was created, so program is running.
glController.onResume();
}
}
