package com.planet_ink.coffee_mud.Abilities.Properties; 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.lang.ref.WeakReference; import java.util.*; /* Copyright 2004-2019 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 Prop_LimitedItems extends Property { @Override public String ID() { return "Prop_LimitedItems"; } @Override public String name() { return "Limited Item"; } @Override protected int canAffectCode() { return Ability.CAN_ITEMS; } public static Map<String, List<Item>> instances = new Hashtable<String, List<Item>>(); public static Set<String> inventoriesChecked = new HashSet<String>(); protected volatile WeakReference<Physical> lastAdded = new WeakReference<Physical>(null); protected volatile boolean norecurse = false; protected boolean destroy = false; protected int maxItems = 0; protected String id = null; @Override public String accountForYourself() { if(CMath.s_int(text())<=0) return "Only 1 may exist"; final int x=text().indexOf(';'); final String numStr; if(x<0) numStr = text(); else numStr=text().substring(0,x); return "Only "+CMath.s_int(numStr)+" may exist."; } @Override public void setAffectedOne(final Physical P) { super.setAffectedOne(P); if(P != null) lastAdded = new WeakReference<Physical>(P); } @Override public void setMiscText(final String newMiscText) { super.setMiscText(newMiscText); norecurse = false; maxItems=1; this.id=null; if(newMiscText.length()>0) { final int x=newMiscText.indexOf(';'); final String numStr; if(x<0) numStr = newMiscText; else { final String parms = newMiscText.substring(x+1).trim(); final String newId = CMParms.getParmStr(parms, "ID", ""); if(newId.trim().length()>0) this.id=newId; numStr=newMiscText.substring(0,x); } if(CMath.isInteger(numStr)) maxItems = CMath.s_int(numStr); } } @Override public CMObject copyOf() { final Physical affP = affected; final Prop_LimitedItems meCopy = (Prop_LimitedItems)super.copyOf(); meCopy.norecurse=false; if((affP instanceof Item) &&(((Item)affP).owner() != null) &&(CMProps.getBoolVar(CMProps.Bool.MUDSTARTED)) &&(!canBeUninvoked())) { CMLib.threads().scheduleRunnable(new Runnable(){ final Prop_LimitedItems chkA = meCopy; final String miscText = text(); @Override public void run() { final Physical chkAoldP; synchronized(chkA) { chkAoldP = chkA.lastAdded.get(); } if(chkAoldP instanceof Item) { final Item I=(Item)chkAoldP; final ItemPossessor P; synchronized(I) { P=I.owner(); } if((!I.amDestroyed()) &&(CMLib.flags().isInTheGame(I, false)) &&(I.fetchEffect(ID())==null)) { chkA.lastAdded = new WeakReference<Physical>(null); final Prop_LimitedItems copyMe = new Prop_LimitedItems(); copyMe.setMiscText(miscText); copyMe.norecurse=false; I.addNonUninvokableEffect(copyMe); if(P instanceof Physical) ((Physical)P).recoverPhyStats(); } } } }, 5000); } return meCopy; } protected String getId(final Physical I) { if(I == affected) { if(this.id != null) return this.id; return I.Name(); } else if(I != null) { final Prop_LimitedItems liA = (Prop_LimitedItems)I.fetchEffect(ID()); if((liA==null) || (liA.id == null)) return I.Name(); return liA.id; } return "N/A"; } protected void countIfNecessary(final Item I) { final String Iid = getId(I); if(CMLib.flags().isInTheGame(I,false)) { List<Item> myInstances=null; synchronized(instances) { if(!instances.containsKey(Iid)) { myInstances=new Vector<Item>(); instances.put(Iid,myInstances); myInstances.add(I); } } myInstances=instances.get(Iid); if(myInstances!=null) { synchronized(myInstances) { if(!myInstances.contains(I)) { if(maxItems==0) maxItems++; int num=0; for(int i=myInstances.size()-1;i>=0;i--) { if(!myInstances.get(i).amDestroyed()) num++; else myInstances.remove(i); } if(num>=maxItems) { I.destroy(); destroy=true; } else myInstances.add(I); } } } } } @Override public void executeMsg(final Environmental host, final CMMsg msg) { super.executeMsg(host,msg); if(((msg.targetMinor()==CMMsg.TYP_ENTER) ||(msg.targetMinor()==CMMsg.TYP_LOOK) ||(msg.targetMinor()==CMMsg.TYP_GET)) &&(CMProps.getBoolVar(CMProps.Bool.MUDSTARTED)) &&(affected instanceof Item) &&((!(((Item)affected).owner() instanceof MOB)) ||((MOB)((Item)affected).owner()).playerStats()==null)) countIfNecessary((Item)affected); } @Override public void affectPhyStats(final Physical E, final PhyStats affectableStats) { super.affectPhyStats(E,affectableStats); if((!(E instanceof Item))||(((Item)E).owner()==null)) return; if(!CMProps.getBoolVar(CMProps.Bool.MUDSTARTED)) return; if(norecurse) return; try { norecurse=true; final Physical affected = this.affected; if(affected == null) return; affectableStats.setSensesMask(affectableStats.sensesMask()|PhyStats.SENSE_UNLOCATABLE); final String affId = getId(affected); if(!inventoriesChecked.contains(affId)) { boolean doScan = false; synchronized(inventoriesChecked) { if(!inventoriesChecked.contains(affId)) doScan = true; } if(doScan) { synchronized((ID()+"_"+affId).intern()) { if(!inventoriesChecked.contains(affId)) { inventoriesChecked.add(affId); Log.sysOut("Prop_LimitedItems","Checking player inventories for "+affId); // known problem: players from different hosts who share a world map might allow // duplicates/excess items. final List<String> V=CMLib.database().getUserList(); for(final String name : V) { MOB M=CMLib.players().getPlayer(name); if(M==null) { final PairList<String,String> matchingItems = CMLib.database().DBReadPlayerItemData(name,ID()); for(final Pair<String,String> p : matchingItems) { if(p.first.equalsIgnoreCase(affected.ID()) &&(p.second.indexOf(affId)>0)) { M=CMLib.players().getLoadPlayer(name); break; } } if(M!=null) { final Room R=M.location(); if((R!=null) &&(R.isInhabitant(M))) Log.sysOut("Prop_LimitedItems",M.name()+" was found in the game, even though this is supposed to be a temporary load."); else if(M.session()!=null) Log.sysOut("Prop_LimitedItems",M.name()+" had a session, even though this is supposed to be a temporary load."); } } } Log.sysOut("Prop_LimitedItems","Done checking player inventories for "+affId); } } } } if((((Item)affected).owner() instanceof MOB) &&(((MOB)((Item)affected).owner()).playerStats()!=null)) countIfNecessary((Item)affected); if(destroy) ((Item)affected).destroy(); } finally { norecurse=false; } } }