1 package cz.cuni.amis.pogamut.udk.communication.translator.bot.state;
2
3 import java.util.HashSet;
4 import java.util.Set;
5
6 import cz.cuni.amis.fsm.FSMState;
7 import cz.cuni.amis.fsm.FSMTransition;
8 import cz.cuni.amis.fsm.IFSMState;
9 import cz.cuni.amis.pogamut.base.communication.messages.InfoMessage;
10 import cz.cuni.amis.pogamut.base.communication.translator.event.IWorldChangeEvent;
11 import cz.cuni.amis.pogamut.udk.communication.messages.gbinfomessages.BotKilled;
12 import cz.cuni.amis.pogamut.udk.communication.messages.gbinfomessages.PathListStart;
13 import cz.cuni.amis.pogamut.udk.communication.translator.TranslatorContext;
14 import cz.cuni.amis.pogamut.udk.communication.translator.TranslatorMessages;
15 import cz.cuni.amis.pogamut.udk.communication.translator.UnexpectedMessageException;
16 import cz.cuni.amis.pogamut.udk.communication.translator.bot.support.AbstractBotFSMState;
17 import cz.cuni.amis.pogamut.udk.communication.worldview.objects.IGBViewable;
18
19 /**
20 * This class implements a batch handling logic.
21 * @author Jimmy
22 */
23 @FSMState(map = {
24 @FSMTransition(
25 state = BotDeadState.class,
26 symbol = {BotKilled.class },
27 transition = {}
28 ),
29 @FSMTransition(
30 state = PathAcceptState.class,
31 symbol = {PathListStart.class },
32 transition = {}
33 )
34 }
35 )
36 public class BotAliveState extends AbstractBotFSMState<InfoMessage, TranslatorContext> {
37
38 /**
39 * Last batch of the objects we have seen in previous moment.
40 */
41 private Set<IGBViewable> lastBatch = new HashSet<IGBViewable>();
42
43 /**
44 * Current objects we have in the field of view.
45 */
46 private Set<IGBViewable> currentBatch = new HashSet<IGBViewable>();
47
48 public void stateEntering(TranslatorContext context, IFSMState<InfoMessage, TranslatorContext> arg1, InfoMessage arg2) {
49 }
50
51 public void stateSymbol(TranslatorContext context, InfoMessage obj) {
52 /* if (obj instanceof IGBViewable) {
53 currentBatch.add((IGBViewable) obj);
54 if (!lastBatch.contains(obj) || obj instanceof Player) {
55 if (!(obj instanceof IWorldChangeEvent)) throw new UnexpectedMessageException(TranslatorMessages.messageNotWorldEvent(this, obj), context.getLogger(), this);
56 context.getEventQueue().pushEvent((IWorldChangeEvent)obj);
57 }
58 } else if (obj instanceof EndMessage) {
59 // we've got end of the batch message!
60
61 // remove all message from last batch that is in current batch (we
62 // can still see them)
63 lastBatch.removeAll(currentBatch);
64
65 // for each object that disappeared from the field of view
66 for (IGBViewable object : lastBatch) {
67 // generate disappear event
68 context.getEventQueue().pushEvent(object.createDisappearEvent());
69 }
70
71 // write current batch as the last one
72 lastBatch = currentBatch;
73
74 // create new batch
75 currentBatch = new HashSet<IGBViewable>(lastBatch.size() + 10);
76
77 // push EndMessage event
78 if (!(obj instanceof IWorldChangeEvent)) throw new UnexpectedMessageException(TranslatorMessages.messageNotWorldEvent(this, obj), context.getLogger(), this);
79 context.getEventQueue().pushEvent((IWorldChangeEvent) obj);
80 } else if (obj instanceof IWorldChangeEvent) {
81 context.getEventQueue().pushEvent((IWorldChangeEvent) obj);
82 } else {
83 throw new UnexpectedMessageException(TranslatorMessages.messageNotWorldEvent(this, obj), context.getLogger(), this);
84 }
85 */
86
87 context.getEventQueue().pushEvent((IWorldChangeEvent) obj);
88 }
89
90 public void stateLeaving(TranslatorContext context, IFSMState<InfoMessage, TranslatorContext> arg1, InfoMessage symbol) {
91 if (symbol instanceof BotKilled) {
92 // the bot has been killed!
93 // for each object that disappeared from the field of view
94 /*lastBatch.removeAll(currentBatch);
95 for (IGBViewable object : lastBatch) {
96 // generate disappear event
97 context.getEventQueue().pushEvent(object.createDisappearEvent());
98 }
99 lastBatch.clear();
100 for (IGBViewable object : currentBatch) {
101 // generate disappear event
102 context.getEventQueue().pushEvent(object.createDisappearEvent());
103 }
104 currentBatch.clear();
105 */
106 // push BotKilled event
107 if (!(symbol instanceof IWorldChangeEvent)) throw new UnexpectedMessageException(TranslatorMessages.messageNotWorldEvent(this, symbol), context.getLogger(), this);
108 context.getEventQueue().pushEvent((IWorldChangeEvent) symbol);
109 }
110 }
111
112 public void init(TranslatorContext arg0) {
113 }
114
115 public void restart(TranslatorContext arg0) {
116 lastBatch.clear();
117 currentBatch.clear();
118 }
119
120 }