Function Pixel_animationProcess

Macro/PixelMap/pixel.c:2061–2157

Process the animation stack element - Returns 1 if the animation should be re-added to the stack - Returns 0 if the animation is finished (clean-up memory)

// - Returns 1 if the animation should be re-added to the stack
// - Returns 0 if the animation is finished (clean-up memory)
uint8_t Pixel_animationProcess( AnimationStackElement *elem )
{
	// Skip if index has been invalidate (unset)
	if ( elem->index == 0xFFFF )
	{
		return 0;
	}

	// Check the play state
	switch ( elem->state & 0x7F )
	{
	// Pause animation (paused animations will take up animation stack memory)
	case AnimationPlayState_Pause:
		return 1;

	// Stopping animation (frees animation from stack memory)
	case AnimationPlayState_Stop:
		// Indicate animation slot is free
		elem->index = 0xFFFF;
		return 0;

	// Single frame of the animation
	// Set to paused afterwards
	case AnimationPlayState_Single:
		elem->state = AnimationPlayState_Pause;
		break;

	// Do nothing
	case AnimationPlayState_Start:
	default:
		break;
	}

	// Lookup animation frame to make sure we have something to do
	// TODO Make sure animation index exists -HaaTa
	const uint8_t *data = Pixel_Animations[elem->index][elem->pos];

	// If there is no frame data, that means we either stop, or restart
	if ( data == 0 )
	{
		// Check if we still have more loops, one signifies stop, 0 is infinite
		if ( elem->loops == 0 || elem->loops-- > 1 )
		{
			elem->pos = 0;

			// Signal that animation is repeating
			Macro_animationState( elem->index, ScheduleType_Repeat );

			return Pixel_animationProcess( elem );
		}
		// Stop animation
		else
		{
			// Indicate animation slot is free
			elem->index = 0xFFFF;
			return 0;
		}
	}