Function Pixel_determineLastTriggerScanCode

Macro/PixelMap/pixel.c:2577–2602

Looks up the final scancode in a trigger macro

// Looks up the final scancode in a trigger macro
uint8_t Pixel_determineLastTriggerScanCode( TriggerMacro *trigger )
{
	// Ignore (set to zero) if unset
	if ( trigger == 0 )
	{
		return 0;
	}

	// Iterate over each TriggerGuide element
	uint8_t curScanCode = 0;
	for ( var_uint_t pos = 0; ; pos += trigger->guide[ pos ] * TriggerGuideSize + 1 )
	{
		// Length of this combo
		uint8_t comboLength = trigger->guide[ pos ] * TriggerGuideSize;

		// Determine scancode, use first TriggerGuide scanCode
		TriggerGuide *guide = (TriggerGuide*)&trigger->guide[ pos + 1 ];
		curScanCode = guide->scanCode;

		// If this combo has zero length, we are at the end
		if ( trigger->guide[ pos + comboLength + 1 ] == 0 )
		{
			return curScanCode;
		}
	}
}

// External Animation Control
void Pixel_setAnimationControl( AnimationControl control )