Function Unit_SetSpeed

src/unit.c:1902–1942

* Set the speed of a Unit. * * @param unit The Unit to operate on. * @param speed The new speed of the unit (a percent value between 0 and 255). */

 * @param speed The new speed of the unit (a percent value between 0 and 255).
 */
void Unit_SetSpeed(Unit *unit, uint16 speed)
{
	uint16 speedPerTick;

	assert(unit != NULL);

	speedPerTick = 0;

	unit->speed          = 0;
	unit->speedRemainder = 0;
	unit->speedPerTick   = 0;

	if (unit->o.type == UNIT_HARVESTER) {
		speed = ((255 - unit->amount) * speed) / 256;
	}

	if (speed == 0 || speed >= 256) {
		unit->movingSpeed = 0;
		return;
	}

	unit->movingSpeed = speed & 0xFF;
	speed = g_table_unitInfo[unit->o.type].movingSpeedFactor * speed / 256;

	/* Units in the air don't feel the effect of gameSpeed */
	if (g_table_unitInfo[unit->o.type].movementType != MOVEMENT_WINGER) {
		speed = Tools_AdjustToGameSpeed(speed, 1, 255, false);
	}

	speedPerTick = speed << 4;
	speed        = speed >> 4;

	if (speed != 0) {
		speedPerTick = 255;
	} else {
		speed = 1;
	}

	unit->speed = speed & 0xFF;
	unit->speedPerTick = speedPerTick & 0xFF;
}

/**
 * Create a new bullet Unit.