/** To-hit number for the mech to push another mech */
public static ToHitData toHit(IGame game, int attackerId, Targetable target) {
final Entity ae = game.getEntity(attackerId);
int targetId = Entity.NONE;
Entity te = null;
if (target.getTargetType() == Targetable.TYPE_ENTITY) {
te = (Entity) target;
targetId = target.getTargetId();
}
if (ae == null)
return new ToHitData(ToHitData.IMPOSSIBLE, "You can't attack from a null entity!");
if (te == null) return new ToHitData(ToHitData.IMPOSSIBLE, "You can't target a null entity!");
IHex attHex = game.getBoard().getHex(ae.getPosition());
IHex targHex = game.getBoard().getHex(te.getPosition());
final int attackerElevation = ae.getElevation() + attHex.getElevation();
final int targetElevation = target.getElevation() + targHex.getElevation();
final boolean targetInBuilding = Compute.isInBuilding(game, te);
Building bldg = null;
if (targetInBuilding) {
bldg = game.getBoard().getBuildingAt(te.getPosition());
}
ToHitData toHit = null;
// arguments legal?
if (ae == null || target == null) {
throw new IllegalArgumentException("Attacker or target not valid");
}
// can't target yourself
if (ae.equals(te)) {
return new ToHitData(ToHitData.IMPOSSIBLE, "You can't target yourself");
}
// non-mechs can't push
if (!(ae instanceof Mech)) {
return new ToHitData(ToHitData.IMPOSSIBLE, "Non-mechs can't push");
}
// Quads can't push
if (ae.entityIsQuad()) {
return new ToHitData(ToHitData.IMPOSSIBLE, "Attacker is a quad");
}
// can't make physical attacks while spotting
if (ae.isSpotting()) {
return new ToHitData(ToHitData.IMPOSSIBLE, "Attacker is spotting this turn");
}
// Can only push mechs
if (te != null && !(te instanceof Mech)) {
return new ToHitData(ToHitData.IMPOSSIBLE, "Target is not a mech");
}
// Can't push with flipped arms
if (ae.getArmsFlipped()) {
return new ToHitData(ToHitData.IMPOSSIBLE, "Arms are flipped to the rear. Can not push.");
}
// Can't target a transported entity.
if (te != null && Entity.NONE != te.getTransportId()) {
return new ToHitData(ToHitData.IMPOSSIBLE, "Target is a passenger.");
}
// Can't target a entity conducting a swarm attack.
if (te != null && Entity.NONE != te.getSwarmTargetId()) {
return new ToHitData(ToHitData.IMPOSSIBLE, "Target is swarming a Mek.");
}
// check if both arms are present
if (ae.isLocationBad(Mech.LOC_RARM) || ae.isLocationBad(Mech.LOC_LARM)) {
return new ToHitData(ToHitData.IMPOSSIBLE, "Arm missing");
}
// check if attacker has fired arm-mounted weapons
if (ae.weaponFiredFrom(Mech.LOC_RARM) || ae.weaponFiredFrom(Mech.LOC_LARM)) {
return new ToHitData(ToHitData.IMPOSSIBLE, "Weapons fired from arm this turn");
}
// check range
if (ae.getPosition().distance(target.getPosition()) > 1) {
return new ToHitData(ToHitData.IMPOSSIBLE, "Target not in range");
}
// target must be at same elevation
if (attackerElevation != targetElevation) {
return new ToHitData(ToHitData.IMPOSSIBLE, "Target not at same elevation");
}
// can't push mech making non-pushing displacement attack
if (te != null && te.hasDisplacementAttack() && !te.isPushing()) {
return new ToHitData(ToHitData.IMPOSSIBLE, "Target is making a charge/DFA attack");
}
// can't push mech pushing another, different mech
if (te != null && te.isPushing() && te.getDisplacementAttack().getTargetId() != ae.getId()) {
return new ToHitData(ToHitData.IMPOSSIBLE, "Target is pushing another mech");
}
// can't do anything but counter-push if the target of another attack
if (ae.isTargetOfDisplacementAttack()
&& ae.findTargetedDisplacement().getEntityId() != target.getTargetId()) {
return new ToHitData(
ToHitData.IMPOSSIBLE, "Attacker is the target of another push/charge/DFA");
}
// can't attack the target of another displacement attack
if (te != null
&& te.isTargetOfDisplacementAttack()
&& te.findTargetedDisplacement().getEntityId() != ae.getId()) {
return new ToHitData(ToHitData.IMPOSSIBLE, "Target is the target of another push/charge/DFA");
}
// check facing
if (!target.getPosition().equals(ae.getPosition().translated(ae.getFacing()))) {
return new ToHitData(ToHitData.IMPOSSIBLE, "Target not directly ahead of feet");
}
// can't push while prone
if (ae.isProne()) {
return new ToHitData(ToHitData.IMPOSSIBLE, "Attacker is prone");
}
// can't push prone mechs
if (te != null && te.isProne()) {
return new ToHitData(ToHitData.IMPOSSIBLE, "Target is prone");
}
// Can't target units in buildings (from the outside).
if (targetInBuilding) {
if (!Compute.isInBuilding(game, ae)) {
return new ToHitData(ToHitData.IMPOSSIBLE, "Target is inside building");
} else if (!game.getBoard().getBuildingAt(ae.getPosition()).equals(bldg)) {
return new ToHitData(ToHitData.IMPOSSIBLE, "Target is inside differnt building");
}
}
// Attacks against adjacent buildings automatically hit.
if ((target.getTargetType() == Targetable.TYPE_BUILDING)
|| (target.getTargetType() == Targetable.TYPE_FUEL_TANK)) {
return new ToHitData(
ToHitData.IMPOSSIBLE,
"You can not push a building (well, you can, but it won't do anything).");
}
// Can't target woods or ignite a building with a physical.
if (target.getTargetType() == Targetable.TYPE_BLDG_IGNITE
|| target.getTargetType() == Targetable.TYPE_HEX_CLEAR
|| target.getTargetType() == Targetable.TYPE_HEX_IGNITE) {
return new ToHitData(ToHitData.IMPOSSIBLE, "Invalid attack");
}
// Set the base BTH
int base = 4;
if (game.getOptions().booleanOption("maxtech_physical_BTH")) {
base = ae.getCrew().getPiloting() - 1;
}
toHit = new ToHitData(base, "base");
// attacker movement
toHit.append(Compute.getAttackerMovementModifier(game, attackerId));
// target movement
toHit.append(Compute.getTargetMovementModifier(game, targetId));
// attacker terrain
toHit.append(Compute.getAttackerTerrainModifier(game, attackerId));
// target terrain
toHit.append(Compute.getTargetTerrainModifier(game, te));
// damaged or missing actuators
if (!ae.hasWorkingSystem(Mech.ACTUATOR_SHOULDER, Mech.LOC_RARM)) {
toHit.addModifier(2, "Right Shoulder destroyed");
}
if (!ae.hasWorkingSystem(Mech.ACTUATOR_SHOULDER, Mech.LOC_LARM)) {
toHit.addModifier(2, "Left Shoulder destroyed");
}
// water partial cover?
if (te.height() > 0
&& te.getElevation() == -1
&& targHex.terrainLevel(Terrains.WATER) == te.height()) {
toHit.addModifier(3, "target has partial cover");
}
// target immobile
toHit.append(Compute.getImmobileMod(te));
Compute.modifyPhysicalBTHForAdvantages(ae, te, toHit, game);
toHit.append(nightModifiers(game, target, null, ae));
// side and elevation shouldn't matter
// If it has a torso-mounted cockpit and two head sensor hits or three sensor hits...
// It gets a =4 penalty for being blind!
if (((Mech) ae).getCockpitType() == Mech.COCKPIT_TORSO_MOUNTED) {
int sensorHits =
ae.getBadCriticals(CriticalSlot.TYPE_SYSTEM, Mech.SYSTEM_SENSORS, Mech.LOC_HEAD);
int sensorHits2 =
ae.getBadCriticals(CriticalSlot.TYPE_SYSTEM, Mech.SYSTEM_SENSORS, Mech.LOC_CT);
if ((sensorHits + sensorHits2) == 3) {
return new ToHitData(
ToHitData.IMPOSSIBLE, "Sensors Completely Destroyed for Torso-Mounted Cockpit");
} else if (sensorHits == 2) {
toHit.addModifier(4, "Head Sensors Destroyed for Torso-Mounted Cockpit");
}
}
// done!
return toHit;
}
