/** Damage that a mech does with a successful DFA. */
public static int getDamageFor(Entity entity, boolean targetInfantry) {
int toReturn = (int) Math.ceil((entity.getWeight() / 10.0) * 3.0);
if (DfaAttackAction.hasTalons(entity)) {
toReturn *= 1.5;
}
if (targetInfantry) {
toReturn = Math.max(1, toReturn / 10);
}
return toReturn;
}
/** Checks if a death from above attack can hit the target, including movement */
public static ToHitData toHit(IGame game, int attackerId, Targetable target, MovePath md) {
final Entity ae = game.getEntity(attackerId);
// Do to pretreatment of physical attacks, the target may be null.
if (target == null) {
return new ToHitData(TargetRoll.IMPOSSIBLE, "Target is null");
}
Entity te = null;
if (target.getTargetType() == Targetable.TYPE_ENTITY) {
te = (Entity) target;
}
Coords chargeSrc = ae.getPosition();
MoveStep chargeStep = null;
// Infantry CAN'T dfa!!!
if (ae instanceof Infantry) {
return new ToHitData(TargetRoll.IMPOSSIBLE, "Infantry can't D.F.A.");
}
if (ae.getJumpType() == Mech.JUMP_BOOSTER) {
return new ToHitData(TargetRoll.IMPOSSIBLE, "Can't D.F.A. using mechanical jump boosters.");
}
// let's just check this
if (!md.contains(MoveStepType.DFA)) {
return new ToHitData(TargetRoll.IMPOSSIBLE, "D.F.A. action not found in movement path");
}
// have to jump
if (!md.contains(MoveStepType.START_JUMP)) {
return new ToHitData(TargetRoll.IMPOSSIBLE, "D.F.A. must involve jumping");
}
// can't target airborne units
if ((te != null) && te.isAirborne()) {
return new ToHitData(TargetRoll.IMPOSSIBLE, "Cannot D.F.A. an airborne target.");
}
// can't target dropships
if ((te != null) && (te instanceof Dropship)) {
return new ToHitData(TargetRoll.IMPOSSIBLE, "Cannot D.F.A. a dropship.");
}
// Can't target a transported entity.
if ((te != null) && (Entity.NONE != te.getTransportId())) {
return new ToHitData(TargetRoll.IMPOSSIBLE, "Target is a passenger.");
}
// no evading
if (md.contains(MoveStepType.EVADE)) {
return new ToHitData(TargetRoll.IMPOSSIBLE, "No evading while charging");
}
// Can't target a entity conducting a swarm attack.
if ((te != null) && (Entity.NONE != te.getSwarmTargetId())) {
return new ToHitData(TargetRoll.IMPOSSIBLE, "Target is swarming a Mek.");
}
// determine last valid step
md.compile(game, ae);
for (final Enumeration<MoveStep> i = md.getSteps(); i.hasMoreElements(); ) {
final MoveStep step = i.nextElement();
if (!step.isLegal()) {
break;
}
if (step.getType() == MoveStepType.DFA) {
chargeStep = step;
} else {
chargeSrc = step.getPosition();
}
}
// need to reach target
if ((chargeStep == null) || !target.getPosition().equals(chargeStep.getPosition())) {
return new ToHitData(TargetRoll.IMPOSSIBLE, "Could not reach target with movement");
}
// target must have moved already, unless it's immobile
if ((te != null) && (!te.isDone() && !te.isImmobile())) {
return new ToHitData(TargetRoll.IMPOSSIBLE, "Target must be done with movement");
}
return DfaAttackAction.toHit(game, attackerId, target, chargeSrc);
}
public ToHitData toHit(IGame game) {
final Entity entity = game.getEntity(getEntityId());
return DfaAttackAction.toHit(
game, getEntityId(), game.getTarget(getTargetType(), getTargetId()), entity.getPosition());
}