Method drawRoutine6

src/Battlescape/UnitSprite.cpp:893–1064

* Drawing routine for snakemen. */

 * Drawing routine for snakemen.
 */
void UnitSprite::drawRoutine6()
{
	Surface *torso = 0, *legs = 0, *leftArm = 0, *rightArm = 0, *itemA = 0, *itemB = 0;
	// magic numbers
	const int Torso = 24, legsStand = 16, die = 96;
	const int larmStand = 0, rarmStand = 8, rarm1H = 99, larm2H = 107, rarm2H = 115, rarmShoot = 123;
	const int legsWalk[8] = { 32, 40, 48, 56, 64, 72, 80, 88 };
	const int yoffWalk[8] = {3, 3, 2, 1, 0, 0, 1, 2}; // bobbing up and down
	const int xoffWalka[8] = {0, 0, 1, 2, 3, 3, 2, 1};
	const int xoffWalkb[8] = {0, 0, -1, -2, -3, -3, -2, -1};
	const int yoffStand[8] = {2, 1, 1, 0, 0, 0, 0, 0};
	const int offX[8] = { 8, 10, 5, 2, -8, -10, -5, -2 }; // for the weapons
	const int offY[8] = { -6, -3, 0, 0, 2, -3, -7, -9 }; // for the weapons
	const int offX2[8] = { -8, 2, 7, 13, 7, 0, -3, -15 }; // for the weapons
	const int offY2[8] = { 1, -4, -2, 0, 3, 3, 5, 0 }; // for the weapons
	const int offX3[8] = { 0, 6, 6, 12, -4, -5, -5, -13 }; // for the left handed rifles
	const int offY3[8] = { -4, -4, -1, 0, 5, 0, 1, 0 }; // for the left handed rifles

	if (_unit->isOut())
	{
		// unit is drawn as an item
		return;
	}

	if (_unit->getStatus() == STATUS_COLLAPSING)
	{
		torso = _unitSurface->getFrame(die + _unit->getFallingPhase());
		torso->blit(this);
		return;
	}

	const int unitDir = _unit->getDirection();
	const int walkPhase = _unit->getWalkingPhase();

	torso = _unitSurface->getFrame(Torso + unitDir);
	leftArm = _unitSurface->getFrame(larmStand + unitDir);
	rightArm = _unitSurface->getFrame(rarmStand + unitDir);


	// when walking, torso(fixed sprite) has to be animated up/down
	if (_unit->getStatus() == STATUS_WALKING)
	{
		int xoffWalk = 0;
		if(unitDir < 3)
			xoffWalk = xoffWalka[walkPhase];
		if(unitDir < 7 && unitDir > 3)
			xoffWalk = xoffWalkb[walkPhase];
		torso->setY(yoffWalk[walkPhase]);
		torso->setX(xoffWalk);
		legs = _unitSurface->getFrame(legsWalk[unitDir] + walkPhase);
		rightArm->setY(yoffWalk[walkPhase]);
		leftArm->setY(yoffWalk[walkPhase]);
		rightArm->setX(xoffWalk);
		leftArm->setX(xoffWalk);
	}
	else
	{
		legs = _unitSurface->getFrame(legsStand + unitDir);