@Override
public void update(GameContainer container, StateBasedGame game, int delta)
throws SlickException {
UI.update(delta);
if (MusicController.trackEnded()) nextTrack(); // end of track: go to next track
int mouseX = input.getMouseX(), mouseY = input.getMouseY();
logo.hoverUpdate(delta, mouseX, mouseY, 0.25f);
playButton.hoverUpdate(delta, mouseX, mouseY, 0.25f);
optionsButton.hoverUpdate(delta, mouseX, mouseY, 0.25f);
exitButton.hoverUpdate(delta, mouseX, mouseY, 0.25f);
if (repoButton != null) repoButton.hoverUpdate(delta, mouseX, mouseY);
updateButton.hoverUpdate(delta, mouseX, mouseY);
downloadsButton.hoverUpdate(delta, mouseX, mouseY);
// ensure only one button is in hover state at once
boolean noHoverUpdate = musicPositionBarContains(mouseX, mouseY);
boolean contains = musicPlay.contains(mouseX, mouseY);
musicPlay.hoverUpdate(delta, !noHoverUpdate && contains);
musicPause.hoverUpdate(delta, !noHoverUpdate && contains);
noHoverUpdate |= contains;
musicNext.hoverUpdate(delta, !noHoverUpdate && musicNext.contains(mouseX, mouseY));
musicPrevious.hoverUpdate(delta, !noHoverUpdate && musicPrevious.contains(mouseX, mouseY));
// window focus change: increase/decrease theme song volume
if (MusicController.isThemePlaying() && MusicController.isTrackDimmed() == container.hasFocus())
MusicController.toggleTrackDimmed(0.33f);
// fade in background
if (bgAlpha < BG_MAX_ALPHA) {
bgAlpha += delta / 1000f;
if (bgAlpha > BG_MAX_ALPHA) bgAlpha = BG_MAX_ALPHA;
}
// buttons
if (logoClicked) {
if (logoTimer == 0) { // shifting to left
if (logo.getX() > container.getWidth() / 3.3f) logo.setX(logo.getX() - delta);
else logoTimer = 1;
} else if (logoTimer >= MOVE_DELAY) // timer over: shift back to center
logoClicked = false;
else { // increment timer
logoTimer += delta;
if (logoTimer <= 500) {
// fade in buttons
playButton.getImage().setAlpha(logoTimer / 400f);
optionsButton.getImage().setAlpha(logoTimer / 400f);
exitButton.getImage().setAlpha(logoTimer / 400f);
}
}
} else {
// fade out buttons
if (logoTimer > 0) {
float alpha = playButton.getImage().getAlpha();
if (alpha > 0f) {
playButton.getImage().setAlpha(alpha - (delta / 200f));
optionsButton.getImage().setAlpha(alpha - (delta / 200f));
exitButton.getImage().setAlpha(alpha - (delta / 200f));
} else logoTimer = 0;
}
// move back to original location
if (logo.getX() < container.getWidth() / 2) {
logo.setX(logo.getX() + (delta / 3f));
if (logo.getX() > container.getWidth() / 2) logo.setX(container.getWidth() / 2);
}
}
// tooltips
if (musicPositionBarContains(mouseX, mouseY))
UI.updateTooltip(delta, "Click to seek to a specific point in the song.", false);
else if (musicPlay.contains(mouseX, mouseY))
UI.updateTooltip(delta, (MusicController.isPlaying()) ? "Pause" : "Play", false);
else if (musicNext.contains(mouseX, mouseY)) UI.updateTooltip(delta, "Next track", false);
else if (musicPrevious.contains(mouseX, mouseY))
UI.updateTooltip(delta, "Previous track", false);
else if (Updater.get().showButton() && updateButton.contains(mouseX, mouseY))
UI.updateTooltip(delta, Updater.get().getStatus().getDescription(), true);
}
