/*
* MegaMek - Copyright (C) 2000,2001,2002,2003,2004 Ben Mazur (bmazur@sev.org)
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the Free
* Software Foundation; either version 2 of the License, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*/
package megamek.common.actions;
import megamek.common.Entity;
import megamek.common.IGame;
import megamek.common.Mech;
import megamek.common.Protomech;
import megamek.common.TargetRoll;
import megamek.common.Targetable;
import megamek.common.ToHitData;
/**
* The attacker grapples the target.
*/
public class BreakGrappleAttackAction extends PhysicalAttackAction {
/**
*
*/
private static final long serialVersionUID = 5615694825997720537L;
public BreakGrappleAttackAction(int entityId, int targetId) {
super(entityId, targetId);
}
public BreakGrappleAttackAction(int entityId, int targetType, int targetId) {
super(entityId, targetType, targetId);
}
/**
* Generates the to hit data for this action.
*
* @param game
* the game.
* @return the to hit data object for this action.
* @see #toHit(IGame, int, Targetable)
*/
public ToHitData toHit(IGame game) {
return toHit(game, getEntityId(), game.getTarget(getTargetType(), getTargetId()));
}
/**
* To-hit number
*/
public static ToHitData toHit(IGame game, int attackerId, Targetable target) {
final Entity ae = game.getEntity(attackerId);
if (ae == null) {
return new ToHitData(TargetRoll.IMPOSSIBLE, "You can't attack from a null entity!");
}
if (!game.getOptions().booleanOption("tacops_grappling")) {
return new ToHitData(TargetRoll.IMPOSSIBLE, "grappling attack not allowed");
}
String impossible = toHitIsImpossible(game, ae, target);
if ((impossible != null) && !impossible.equals("Locked in Grapple")) {
return new ToHitData(TargetRoll.IMPOSSIBLE, "impossible");
}
ToHitData toHit;
// non-mechs can't grapple or be grappled
if (!(ae instanceof Mech) && !(ae instanceof Protomech)) {
return new ToHitData(TargetRoll.IMPOSSIBLE, "Only mechs and protomechs can be grappled");
}
if (ae.getGrappled() != target.getTargetId()) {
return new ToHitData(TargetRoll.IMPOSSIBLE, "Not grappled");
}
// Set the base BTH
int base = ae.getCrew().getPiloting();
// Start the To-Hit
toHit = new ToHitData(base, "base");
PhysicalAttackAction.setCommonModifiers(toHit, game, ae, target);
if (ae.isGrappleAttacker()) {
toHit.addModifier(TargetRoll.AUTOMATIC_SUCCESS, "original attacker");
return toHit;
}
setCommonModifiers(toHit, game, ae, target);
if (ae instanceof Mech) {
// damaged or missing actuators
if (!ae.hasWorkingSystem(Mech.ACTUATOR_SHOULDER, Mech.LOC_LARM)) {
toHit.addModifier(2, "Left shoulder actuator destroyed");
}
if (!ae.hasWorkingSystem(Mech.ACTUATOR_UPPER_ARM, Mech.LOC_LARM)) {
toHit.addModifier(2, "Left upper arm actuator destroyed");
}
if (!ae.hasWorkingSystem(Mech.ACTUATOR_LOWER_ARM, Mech.LOC_LARM)) {
toHit.addModifier(2, "Left lower arm actuator destroyed");
}
if (!ae.hasWorkingSystem(Mech.ACTUATOR_HAND, Mech.LOC_LARM)) {
toHit.addModifier(1, "Left hand actuator destroyed");
}
if (!ae.hasWorkingSystem(Mech.ACTUATOR_SHOULDER, Mech.LOC_RARM)) {
toHit.addModifier(2, "Right shoulder actuator destroyed");
}
if (!ae.hasWorkingSystem(Mech.ACTUATOR_UPPER_ARM, Mech.LOC_RARM)) {
toHit.addModifier(2, "Right upper arm actuator destroyed");
}
if (!ae.hasWorkingSystem(Mech.ACTUATOR_LOWER_ARM, Mech.LOC_RARM)) {
toHit.addModifier(2, "Right lower arm actuator destroyed");
}
if (!ae.hasWorkingSystem(Mech.ACTUATOR_HAND, Mech.LOC_RARM)) {
toHit.addModifier(1, "Right hand actuator destroyed");
}
if ( ae.hasFunctionalArmAES(Mech.LOC_RARM) && ae.hasFunctionalArmAES(Mech.LOC_LARM) ) {
toHit.addModifier(-1,"AES modifer");
}
}
Entity te = (Entity) target;
// Weight class difference
int wmod = te.getWeightClass() - ae.getWeightClass();
if ((te instanceof Protomech) && !(ae instanceof Protomech)) {
wmod = ae.getWeightClass() * -1;
} else if ((ae instanceof Protomech) && !(te instanceof Protomech)) {
wmod = te.getWeightClass();
} else if ((te instanceof Protomech) && (ae instanceof Protomech)) {
wmod = 0;
}
if (wmod != 0) {
toHit.addModifier(wmod, "Weight class difference");
}
// done!
return toHit;
}
}