te = (Entity) target;
targetId = target.getTargetId();
}
if (ae == null) {
return new ToHitData(TargetRoll.IMPOSSIBLE,
"You can't attack from a null entity!");
}
if (te == null) {
return new ToHitData(TargetRoll.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();
boolean inSameBuilding = Compute.isInSameBuilding(game, ae, te);
final boolean targetInBuilding = Compute.isInBuilding(game, te);
Building bldg = null;
if (targetInBuilding) {
bldg = game.getBoard().getBuildingAt(te.getPosition());
}
ToHitData toHit = null;
// can't target yourself
if (ae.equals(te)) {
return new ToHitData(TargetRoll.IMPOSSIBLE,
"You can't target yourself");
}
// non-mechs can't push
if (!(ae instanceof Mech)) {
return new ToHitData(TargetRoll.IMPOSSIBLE, "Non-mechs can't push");
}
// Quads can't push
if (ae.entityIsQuad()) {
return new ToHitData(TargetRoll.IMPOSSIBLE, "Attacker is a quad");
}
// Can only push mechs
if (!(te instanceof Mech)) {
return new ToHitData(TargetRoll.IMPOSSIBLE, "Target is not a mech");
}
// Can't push with flipped arms
if (ae.getArmsFlipped()) {
return new ToHitData(TargetRoll.IMPOSSIBLE,
"Arms are flipped to the rear. Can not push.");
}
// Can't target a transported entity.
if (Entity.NONE != te.getTransportId()) {
return new ToHitData(TargetRoll.IMPOSSIBLE,
"Target is a passenger.");
}
// Can't target a entity conducting a swarm attack.
if (Entity.NONE != te.getSwarmTargetId()) {
return new ToHitData(TargetRoll.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(TargetRoll.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(TargetRoll.IMPOSSIBLE,
"Weapons fired from arm this turn");
}
// check range
if (ae.getPosition().distance(target.getPosition()) > 1) {
return new ToHitData(TargetRoll.IMPOSSIBLE, "Target not in range");
}
// target must be at same elevation
if (attackerElevation != targetElevation) {
return new ToHitData(TargetRoll.IMPOSSIBLE,
"Target not at same elevation");
}
// can't push mech making non-pushing displacement attack
if (te.hasDisplacementAttack() && !te.isPushing()) {
return new ToHitData(TargetRoll.IMPOSSIBLE,
"Target is making a charge/DFA attack");
}
// can't push mech pushing another, different mech
if (te.isPushing()
&& (te.getDisplacementAttack().getTargetId() != ae.getId())) {
return new ToHitData(TargetRoll.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(TargetRoll.IMPOSSIBLE,
"Attacker is the target of another push/charge/DFA");
}
// can't attack the target of another displacement attack
if (te.isTargetOfDisplacementAttack()
&& (te.findTargetedDisplacement().getEntityId() != ae.getId())) {
return new ToHitData(TargetRoll.IMPOSSIBLE,
"Target is the target of another push/charge/DFA");
}
// check facing
if (!target.getPosition().equals(
ae.getPosition().translated(ae.getFacing()))) {
return new ToHitData(TargetRoll.IMPOSSIBLE,
"Target not directly ahead of feet");
}
// can't push while prone
if (ae.isProne()) {
return new ToHitData(TargetRoll.IMPOSSIBLE, "Attacker is prone");
}
// can't push prone mechs
if (te.isProne()) {
return new ToHitData(TargetRoll.IMPOSSIBLE, "Target is prone");
}
// Can't target units in buildings (from the outside).
if (targetInBuilding) {
if (!Compute.isInBuilding(game, ae)) {
return new ToHitData(TargetRoll.IMPOSSIBLE,
"Target is inside building");
} else if (!game.getBoard().getBuildingAt(ae.getPosition()).equals(
bldg)) {
return new ToHitData(TargetRoll.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(TargetRoll.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(TargetRoll.IMPOSSIBLE, "Invalid attack");
}
// Set the base BTH
int 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, 0, inSameBuilding));
// 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");
}
// attacker is spotting
if (ae.isSpotting()) {
toHit.addModifier(+1, "attacker is spotting");
}
// 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);
//evading
if(te.isEvading()) {
toHit.addModifier(te.getEvasionBonus(), "target is evading");
}
toHit.append(nightModifiers(game, target, null, ae, false));
// 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(TargetRoll.IMPOSSIBLE,
"Sensors Completely Destroyed for Torso-Mounted Cockpit");
} else if (sensorHits == 2) {
toHit.addModifier(4,
"Head Sensors Destroyed for Torso-Mounted Cockpit");
}
}
//Attacking Weight Class Modifier.
if ( game.getOptions().booleanOption("tacops_attack_physical_psr") ) {
if ( ae.getWeightClass() == EntityWeightClass.WEIGHT_LIGHT ) {
toHit.addModifier(-2, "Weight Class Attack Modifier");
}else if ( ae.getWeightClass() == EntityWeightClass.WEIGHT_MEDIUM ) {
toHit.addModifier(-1, "Weight Class Attack Modifier");
}
}
if (((Mech)ae).hasIndustrialTSM()) {
toHit.addModifier(2, "industrial TSM");
}
// done!
return toHit;
}