Function AnimateAnimatedTiles

src/animated_tile.cpp:75–101

* Animate all tiles in the animated tile list, i.e.\ call AnimateTile on them. */

 * Animate all tiles in the animated tile list, i.e.\ call AnimateTile on them.
 */
void AnimateAnimatedTiles()
{
	PerformanceAccumulator landscape_framerate(PFE_GL_LANDSCAPE);

	for (auto it = std::begin(_animated_tiles); it != std::end(_animated_tiles); /* nothing */) {
		TileIndex &tile = *it;

		if (GetAnimatedTileState(tile) != AnimatedTileState::Animated) {
			/* Tile should not be animated any more, mark it as not animated and erase it from the list. */
			SetAnimatedTileState(tile, AnimatedTileState::None);

			/* Removing the last entry, no need to swap and continue. */
			if (std::next(it) == std::end(_animated_tiles)) {
				_animated_tiles.pop_back();
				break;
			}

			/* Replace the current list entry with the back of the list to avoid moving elements. */
			*it = _animated_tiles.back();
			_animated_tiles.pop_back();
			continue;
		}

		AnimateTile(tile);
		++it;
	}
}

/**
 * Initialize all animated tile variables to some known begin point