text: package com.planet_ink.coffee_mud.Abilities.Spells;
  import com.planet_ink.coffee_mud.core.interfaces.*;
  import com.planet_ink.coffee_mud.core.*;
  import com.planet_ink.coffee_mud.core.collections.*;
  import com.planet_ink.coffee_mud.Abilities.interfaces.*;
  import com.planet_ink.coffee_mud.Areas.interfaces.*;
  import com.planet_ink.coffee_mud.Behaviors.interfaces.*;
  import com.planet_ink.coffee_mud.CharClasses.interfaces.*;
  import com.planet_ink.coffee_mud.Commands.interfaces.*;
  import com.planet_ink.coffee_mud.Common.interfaces.*;
  import com.planet_ink.coffee_mud.Exits.interfaces.*;
  import com.planet_ink.coffee_mud.Items.interfaces.*;
  import com.planet_ink.coffee_mud.Libraries.interfaces.*;
  import com.planet_ink.coffee_mud.Locales.interfaces.*;
  import com.planet_ink.coffee_mud.MOBS.interfaces.*;
  import com.planet_ink.coffee_mud.Races.interfaces.*;
  
  import java.util.*;
  
  /*
     Copyright 2002-2020 Bo Zimmerman
  
     Licensed under the Apache License, Version 2.0 (the "License");
     you may not use this file except in compliance with the License.
     You may obtain a copy of the License at
  
  	   http://www.apache.org/licenses/LICENSE-2.0
  
     Unless required by applicable law or agreed to in writing, software
     distributed under the License is distributed on an "AS IS" BASIS,
     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     See the License for the specific language governing permissions and
     limitations under the License.
  */
  public class Spell_Shatter extends Spell
  {
  
  	@Override
  	public String ID()
  	{
  		return "Spell_Shatter";
  	}
  
  	private final static String localizedName = CMLib.lang().L("Shatter");
  
  	@Override
  	public String name()
  	{
  		return localizedName;
  	}
  
  	@Override
  	protected int canTargetCode()
  	{
  		return CAN_MOBS|CAN_ITEMS;
  	}
  
  	@Override
  	public int abstractQuality()
  	{
  		return Ability.QUALITY_MALICIOUS;
  	}
  
  	@Override
  	public int classificationCode()
  	{
  		return Ability.ACODE_SPELL|Ability.DOMAIN_ALTERATION;
  	}
  
  	public Item getItem(final MOB mobTarget)
  	{
  		final List<Item> goodPossibilities=new ArrayList<Item>();
  		final List<Item> possibilities=new ArrayList<Item>();
  		for(int i=0;i<mobTarget.numItems();i++)
  		{
  			final Item item=mobTarget.getItem(i);
  			if((item!=null)
  			   &&(item.subjectToWearAndTear()))
  			{
  				if(item.amWearingAt(Wearable.IN_INVENTORY))
  					possibilities.add(item);
  				else
  					goodPossibilities.add(item);
  			}
  		}
  		if(goodPossibilities.size()>0)
  			return goodPossibilities.get(CMLib.dice().roll(1,goodPossibilities.size(),-1));
  		else
  		if(possibilities.size()>0)
  			return possibilities.get(CMLib.dice().roll(1,possibilities.size(),-1));
  		return null;
  	}
  
  	@Override
  	public int castingQuality(final MOB mob, final Physical target)
  	{
  		if(mob!=null)
  		{
  			if((target instanceof MOB)&&(mob!=target))
  			{
  				final Item I=getItem((MOB)target);
  				if(I==null)
  					return Ability.QUALITY_INDIFFERENT;
  			}
  		}
  		return super.castingQuality(mob,target);
  	}
  
  	@Override
  	public boolean invoke(final MOB mob, final List<String> commands, final Physical givenTarget, final boolean auto, final int asLevel)
  	{
  		final MOB mobTarget=getTarget(mob,commands,givenTarget,true,false);
  		Item target=null;
  		if(mobTarget!=null)
  		{
  			target=getItem(mobTarget);
  			if(target==null)
  				return maliciousFizzle(mob,mobTarget,L("<S-NAME> attempt(s) a shattering spell at <T-NAMESELF>, but nothing happens."));
  		}
  
  		if((target==null)&&(mobTarget!=null))
  			target=getTarget(mobTarget,mobTarget.location(),givenTarget,commands,Wearable.FILTER_ANY);
  		else
  		if((target==null)&&(mobTarget==null))
  			target=getTarget(mob,mob.location(),givenTarget,commands,Wearable.FILTER_UNWORNONLY);
  
  		if(target==null)
  			return false;
  		Room R=CMLib.map().roomLocation(target);
  		if(R==null)
  			R=mob.location();
  
  		if(!super.invoke(mob,commands,givenTarget,auto,asLevel))
  			return false;
  
  		final boolean success=proficiencyCheck(mob,0,auto);
  
  		if(success)
  		{
  			final CMMsg msg=CMClass.getMsg(mob,target,this,verbalCastCode(mob,target,auto),auto?L("<T-NAME> starts vibrating!"):L("^S<S-NAME> utter(s) a shattering spell, causing <T-NAMESELF> to vibrate and resonate.^?"));
  			final CMMsg msg2=CMClass.getMsg(mob,mobTarget,this,verbalCastCode(mob,target,auto),null);
  			if((R.okMessage(mob,msg))&&((mobTarget==null)||(R.okMessage(mob,msg2))))
  			{
  				R.send(mob,msg);
  				if(mobTarget!=null)
  					R.send(mob,msg2);
  				if((msg.value()<=0)&&(msg2.value()<=0))
  				{
  					int damage=100+adjustedLevel(mob,asLevel)-target.phyStats().level();
  					if(CMLib.flags().isABonusItems(target))
  						damage=(int)Math.round(CMath.div(damage,2.0));
  					switch(target.material()&RawMaterial.MATERIAL_MASK)
  					{
  					case RawMaterial.MATERIAL_PAPER:
  					case RawMaterial.MATERIAL_CLOTH:
  					case RawMaterial.MATERIAL_VEGETATION:
  					case RawMaterial.MATERIAL_SYNTHETIC:
  					case RawMaterial.MATERIAL_LEATHER:
  					case RawMaterial.MATERIAL_FLESH:
  						damage=(int)Math.round(CMath.div(damage,3.0));
  						break;
  					case RawMaterial.MATERIAL_WOODEN:
  						damage=(int)Math.round(CMath.div(damage,1.5));
  						break;
  					case RawMaterial.MATERIAL_GLASS:
  					case RawMaterial.MATERIAL_ROCK:
  						damage=(int)Math.round(CMath.mul(damage,2.0));
  						break;
  					case RawMaterial.MATERIAL_PRECIOUS:
  						break;
  					case RawMaterial.MATERIAL_ENERGY:
  					case RawMaterial.MATERIAL_GAS:
  						damage=0;
  						break;
  					}
  					if((damage>0)&&(target.subjectToWearAndTear()))
  						target.setUsesRemaining(target.usesRemaining()-damage);
  					else
  					{
  						R.show(mob,target,CMMsg.MSG_OK_VISUAL,L("<T-NAME> seems otherwise unaffected."));
  						return true;
  					}
  					if(target.usesRemaining()>0)
  						target.recoverPhyStats();
  					else
  					{
  						target.setUsesRemaining(100);
  						if(mobTarget==null)
  							R.show(mob,target,CMMsg.MSG_OK_VISUAL,L("<T-NAME> is destroyed!"));
  						else
  							R.show(mobTarget,target,CMMsg.MSG_OK_VISUAL,L("<T-NAME>, possessed by <S-NAME>, is destroyed!"));
  						target.unWear();
  						target.destroy();
  						R.recoverRoomStats();
  					}
  				}
  			}
  		}
  		else
  			return maliciousFizzle(mob,null,L("<S-NAME> attempt(s) a shattering spell, but nothing happens."));
  
  		// return whether it worked
  		return success;
  	}
  }
  
  