Method togglePersonalLighting

src/Battlescape/TileEngine.cpp:2381–2385

* Toggles personal lighting on / off. */

 * Toggles personal lighting on / off.
 */
void TileEngine::togglePersonalLighting()
{
	_personalLighting = !_personalLighting;
	calculateUnitLighting();
}

/**
 * Calculates the distance between 2 points. Rounded up to first INT.