/
EventAbstractionListener.java
1112 lines (955 loc) · 50.5 KB
/
EventAbstractionListener.java
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
/*
* WorldGuard, a suite of tools for Minecraft
* Copyright (C) sk89q <http://www.sk89q.com>
* Copyright (C) WorldGuard team and contributors
*
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by the
* Free Software Foundation, either version 3 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 Lesser General Public License
* for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package com.sk89q.worldguard.bukkit.listener;
import static com.sk89q.worldguard.bukkit.cause.Cause.create;
import com.sk89q.worldedit.bukkit.BukkitAdapter;
import com.sk89q.worldguard.WorldGuard;
import com.sk89q.worldguard.bukkit.BukkitWorldConfiguration;
import com.sk89q.worldguard.bukkit.WorldGuardPlugin;
import com.sk89q.worldguard.bukkit.cause.Cause;
import com.sk89q.worldguard.bukkit.event.DelegateEvent;
import com.sk89q.worldguard.bukkit.event.block.BreakBlockEvent;
import com.sk89q.worldguard.bukkit.event.block.PlaceBlockEvent;
import com.sk89q.worldguard.bukkit.event.block.UseBlockEvent;
import com.sk89q.worldguard.bukkit.event.entity.DamageEntityEvent;
import com.sk89q.worldguard.bukkit.event.entity.DestroyEntityEvent;
import com.sk89q.worldguard.bukkit.event.entity.SpawnEntityEvent;
import com.sk89q.worldguard.bukkit.event.entity.UseEntityEvent;
import com.sk89q.worldguard.bukkit.event.inventory.UseItemEvent;
import com.sk89q.worldguard.bukkit.listener.debounce.BlockPistonExtendKey;
import com.sk89q.worldguard.bukkit.listener.debounce.BlockPistonRetractKey;
import com.sk89q.worldguard.bukkit.listener.debounce.EventDebounce;
import com.sk89q.worldguard.bukkit.listener.debounce.legacy.AbstractEventDebounce.Entry;
import com.sk89q.worldguard.bukkit.listener.debounce.legacy.BlockEntityEventDebounce;
import com.sk89q.worldguard.bukkit.listener.debounce.legacy.EntityEntityEventDebounce;
import com.sk89q.worldguard.bukkit.listener.debounce.legacy.InventoryMoveItemEventDebounce;
import com.sk89q.worldguard.bukkit.util.Blocks;
import com.sk89q.worldguard.bukkit.util.Entities;
import com.sk89q.worldguard.bukkit.util.Events;
import com.sk89q.worldguard.bukkit.util.Materials;
import com.sk89q.worldguard.config.WorldConfiguration;
import com.sk89q.worldguard.protection.flags.Flags;
import org.bukkit.Bukkit;
import org.bukkit.Effect;
import org.bukkit.GameMode;
import org.bukkit.Location;
import org.bukkit.Material;
import org.bukkit.World;
import org.bukkit.block.Block;
import org.bukkit.block.BlockFace;
import org.bukkit.block.BlockState;
import org.bukkit.block.Chest;
import org.bukkit.block.Container;
import org.bukkit.block.DoubleChest;
import org.bukkit.block.Dropper;
import org.bukkit.block.Hopper;
import org.bukkit.block.PistonMoveReaction;
import org.bukkit.block.data.Waterlogged;
import org.bukkit.block.data.type.Dispenser;
import org.bukkit.entity.AreaEffectCloud;
import org.bukkit.entity.Entity;
import org.bukkit.entity.EntityType;
import org.bukkit.entity.FallingBlock;
import org.bukkit.entity.Item;
import org.bukkit.entity.ItemFrame;
import org.bukkit.entity.LivingEntity;
import org.bukkit.entity.Painting;
import org.bukkit.entity.Player;
import org.bukkit.entity.ThrownPotion;
import org.bukkit.event.Cancellable;
import org.bukkit.event.Event;
import org.bukkit.event.Event.Result;
import org.bukkit.event.EventHandler;
import org.bukkit.event.block.Action;
import org.bukkit.event.block.BlockBreakEvent;
import org.bukkit.event.block.BlockBurnEvent;
import org.bukkit.event.block.BlockDamageEvent;
import org.bukkit.event.block.BlockDispenseEvent;
import org.bukkit.event.block.BlockExpEvent;
import org.bukkit.event.block.BlockExplodeEvent;
import org.bukkit.event.block.BlockFromToEvent;
import org.bukkit.event.block.BlockIgniteEvent;
import org.bukkit.event.block.BlockMultiPlaceEvent;
import org.bukkit.event.block.BlockPistonExtendEvent;
import org.bukkit.event.block.BlockPistonRetractEvent;
import org.bukkit.event.block.BlockPlaceEvent;
import org.bukkit.event.block.EntityBlockFormEvent;
import org.bukkit.event.block.SignChangeEvent;
import org.bukkit.event.entity.AreaEffectCloudApplyEvent;
import org.bukkit.event.entity.CreatureSpawnEvent;
import org.bukkit.event.entity.EntityChangeBlockEvent;
import org.bukkit.event.entity.EntityCombustByBlockEvent;
import org.bukkit.event.entity.EntityCombustByEntityEvent;
import org.bukkit.event.entity.EntityCombustEvent;
import org.bukkit.event.entity.EntityDamageByBlockEvent;
import org.bukkit.event.entity.EntityDamageByEntityEvent;
import org.bukkit.event.entity.EntityDamageEvent;
import org.bukkit.event.entity.EntityDeathEvent;
import org.bukkit.event.entity.EntityExplodeEvent;
import org.bukkit.event.entity.EntityInteractEvent;
import org.bukkit.event.entity.EntityTameEvent;
import org.bukkit.event.entity.EntityUnleashEvent;
import org.bukkit.event.entity.ExpBottleEvent;
import org.bukkit.event.entity.LingeringPotionSplashEvent;
import org.bukkit.event.entity.PotionSplashEvent;
import org.bukkit.event.hanging.HangingBreakByEntityEvent;
import org.bukkit.event.hanging.HangingBreakEvent;
import org.bukkit.event.hanging.HangingPlaceEvent;
import org.bukkit.event.inventory.InventoryMoveItemEvent;
import org.bukkit.event.inventory.InventoryOpenEvent;
import org.bukkit.event.player.PlayerBedEnterEvent;
import org.bukkit.event.player.PlayerBucketEmptyEvent;
import org.bukkit.event.player.PlayerBucketFillEvent;
import org.bukkit.event.player.PlayerDropItemEvent;
import org.bukkit.event.player.PlayerFishEvent;
import org.bukkit.event.player.PlayerInteractAtEntityEvent;
import org.bukkit.event.player.PlayerInteractEntityEvent;
import org.bukkit.event.player.PlayerInteractEvent;
import org.bukkit.event.player.PlayerItemConsumeEvent;
import org.bukkit.event.player.PlayerPickupItemEvent;
import org.bukkit.event.player.PlayerShearEntityEvent;
import org.bukkit.event.player.PlayerTakeLecternBookEvent;
import org.bukkit.event.player.PlayerUnleashEntityEvent;
import org.bukkit.event.vehicle.VehicleDamageEvent;
import org.bukkit.event.vehicle.VehicleDestroyEvent;
import org.bukkit.event.world.StructureGrowEvent;
import org.bukkit.inventory.EquipmentSlot;
import org.bukkit.inventory.InventoryHolder;
import org.bukkit.inventory.ItemStack;
import org.bukkit.projectiles.ProjectileSource;
import org.bukkit.util.Vector;
import java.util.ArrayList;
import java.util.List;
import java.util.stream.Collectors;
import javax.annotation.Nullable;
public class EventAbstractionListener extends AbstractListener {
private final BlockEntityEventDebounce interactDebounce = new BlockEntityEventDebounce(10000);
private final EntityEntityEventDebounce pickupDebounce = new EntityEntityEventDebounce(10000);
private final BlockEntityEventDebounce entityBreakBlockDebounce = new BlockEntityEventDebounce(10000);
private final InventoryMoveItemEventDebounce moveItemDebounce = new InventoryMoveItemEventDebounce(30000);
private final EventDebounce<BlockPistonRetractKey> pistonRetractDebounce = EventDebounce.create(5000);
private final EventDebounce<BlockPistonExtendKey> pistonExtendDebounce = EventDebounce.create(5000);
/**
* Construct the listener.
*
* @param plugin an instance of WorldGuardPlugin
*/
public EventAbstractionListener(WorldGuardPlugin plugin) {
super(plugin);
}
//-------------------------------------------------------------------------
// Block break / place
//-------------------------------------------------------------------------
@EventHandler(ignoreCancelled = true)
public void onBlockBreak(BlockBreakEvent event) {
Events.fireToCancel(event, new BreakBlockEvent(event, create(event.getPlayer()), event.getBlock()));
if (event.isCancelled()) {
playDenyEffect(event.getPlayer(), event.getBlock().getLocation().add(0.5, 1, 0.5));
}
}
@EventHandler(ignoreCancelled = true)
public void onBlockMultiPlace(BlockMultiPlaceEvent event) {
List<Block> blocks = event.getReplacedBlockStates().stream().map(BlockStateAsBlockFunction::apply).collect(Collectors.toList());
Events.fireToCancel(event, new PlaceBlockEvent(event, create(event.getPlayer()),
event.getBlock().getWorld(), blocks, event.getBlock().getType()));
}
@EventHandler(ignoreCancelled = true)
public void onBlockPlace(BlockPlaceEvent event) {
if (event instanceof BlockMultiPlaceEvent) return;
BlockState previousState = event.getBlockReplacedState();
// Some blocks, like tall grass and fire, get replaced
if (previousState.getType() != Material.AIR && previousState.getType() != event.getBlockReplacedState().getType()) {
Events.fireToCancel(event, new BreakBlockEvent(event, create(event.getPlayer()), previousState.getLocation(), previousState.getType()));
}
if (!event.isCancelled()) {
ItemStack itemStack = new ItemStack(event.getBlockPlaced().getType(), 1);
Events.fireToCancel(event, new UseItemEvent(event, create(event.getPlayer()), event.getPlayer().getWorld(), itemStack));
}
if (!event.isCancelled()) {
Events.fireToCancel(event, new PlaceBlockEvent(event, create(event.getPlayer()), event.getBlock()));
}
if (event.isCancelled()) {
playDenyEffect(event.getPlayer(), event.getBlockPlaced().getLocation().add(0.5, 0.5, 0.5));
}
}
@EventHandler(ignoreCancelled = true)
public void onBlockBurn(BlockBurnEvent event) {
Block target = event.getBlock();
Block[] adjacent = {
target.getRelative(BlockFace.NORTH),
target.getRelative(BlockFace.SOUTH),
target.getRelative(BlockFace.WEST),
target.getRelative(BlockFace.EAST),
target.getRelative(BlockFace.UP),
target.getRelative(BlockFace.DOWN)};
int found = 0;
boolean allowed = false;
for (Block source : adjacent) {
if (source.getType() == Material.FIRE) {
found++;
if (Events.fireAndTestCancel(new BreakBlockEvent(event, create(source), target))) {
source.setType(Material.AIR);
} else {
allowed = true;
}
}
}
if (found > 0 && !allowed) {
event.setCancelled(true);
}
}
@EventHandler(ignoreCancelled = true)
public void onStructureGrowEvent(StructureGrowEvent event) {
int originalCount = event.getBlocks().size();
List<Block> blockList = event.getBlocks().stream().map(BlockStateAsBlockFunction::apply).collect(Collectors.toList());
Player player = event.getPlayer();
if (player != null) {
Events.fireBulkEventToCancel(event, new PlaceBlockEvent(event, create(player), event.getLocation().getWorld(), blockList, Material.AIR));
} else {
Events.fireBulkEventToCancel(event, new PlaceBlockEvent(event, create(event.getLocation().getBlock()), event.getLocation().getWorld(), blockList, Material.AIR));
}
if (!event.isCancelled() && event.getBlocks().size() != originalCount) {
event.getLocation().getBlock().setType(Material.AIR);
}
}
@EventHandler(ignoreCancelled = true)
public void onEntityChangeBlock(EntityChangeBlockEvent event) {
Block block = event.getBlock();
Entity entity = event.getEntity();
Material to = event.getTo();
// Forget about Redstone ore, especially since we handle it in INTERACT
if (block.getType() == Material.REDSTONE_ORE && to == Material.REDSTONE_ORE) {
return;
}
// Fire two events: one as BREAK and one as PLACE
if (event.getTo() != Material.AIR && event.getBlock().getType() != Material.AIR) {
if (!Events.fireToCancel(event, new BreakBlockEvent(event, create(entity), block))) {
Events.fireToCancel(event, new PlaceBlockEvent(event, create(entity), block.getLocation(), to));
}
} else {
if (event.getTo() == Material.AIR) {
// Track the source so later we can create a proper chain of causes
if (entity instanceof FallingBlock) {
Cause.trackParentCause(entity, block);
// Switch around the event
Events.fireToCancel(event, new SpawnEntityEvent(event, create(block), entity));
} else {
entityBreakBlockDebounce.debounce(
event.getBlock(), event.getEntity(), event, new BreakBlockEvent(event, create(entity), event.getBlock()));
}
} else {
boolean wasCancelled = event.isCancelled();
Cause cause = create(entity);
Events.fireToCancel(event, new PlaceBlockEvent(event, cause, event.getBlock().getLocation(), to));
if (event.isCancelled() && !wasCancelled && entity instanceof FallingBlock) {
FallingBlock fallingBlock = (FallingBlock) entity;
ItemStack itemStack = new ItemStack(fallingBlock.getBlockData().getMaterial(), 1);
Item item = block.getWorld().dropItem(fallingBlock.getLocation(), itemStack);
item.setVelocity(new Vector());
if (Events.fireAndTestCancel(new SpawnEntityEvent(event, create(block, entity), item))) {
item.remove();
}
}
}
}
}
@EventHandler(ignoreCancelled = true)
public void onEntityExplode(EntityExplodeEvent event) {
Entity entity = event.getEntity();
Events.fireBulkEventToCancel(event, new BreakBlockEvent(event, create(entity), event.getLocation().getWorld(), event.blockList(), Material.AIR));
}
@EventHandler(ignoreCancelled = true)
public void onBlockPistonRetract(BlockPistonRetractEvent event) {
if (event.isSticky()) {
EventDebounce.Entry entry = pistonRetractDebounce.getIfNotPresent(new BlockPistonRetractKey(event), event);
if (entry != null) {
Block piston = event.getBlock();
Cause cause = create(piston);
BlockFace direction = event.getDirection();
ArrayList<Block> blocks = new ArrayList<>(event.getBlocks());
int originalSize = blocks.size();
Events.fireBulkEventToCancel(event, new BreakBlockEvent(event, cause, event.getBlock().getWorld(), blocks, Material.AIR));
if (originalSize != blocks.size()) {
event.setCancelled(true);
}
for (Block b : blocks) {
Location loc = b.getRelative(direction).getLocation();
Events.fireToCancel(event, new PlaceBlockEvent(event, cause, loc, b.getType()));
}
entry.setCancelled(event.isCancelled());
if (event.isCancelled()) {
playDenyEffect(piston.getLocation().add(0.5, 1, 0.5));
}
}
}
}
@EventHandler(ignoreCancelled = true)
public void onBlockPistonExtend(BlockPistonExtendEvent event) {
EventDebounce.Entry entry = pistonExtendDebounce.getIfNotPresent(new BlockPistonExtendKey(event), event);
if (entry != null) {
List<Block> blocks = new ArrayList<>(event.getBlocks());
int originalLength = blocks.size();
BlockFace dir = event.getDirection();
for (int i = 0; i < blocks.size(); i++) {
Block existing = blocks.get(i);
if (existing.getPistonMoveReaction() == PistonMoveReaction.MOVE
|| existing.getPistonMoveReaction() == PistonMoveReaction.PUSH_ONLY) {
blocks.set(i, existing.getRelative(dir));
}
}
Events.fireBulkEventToCancel(event, new PlaceBlockEvent(event, create(event.getBlock()), event.getBlock().getWorld(), blocks, Material.STONE));
if (blocks.size() != originalLength) {
event.setCancelled(true);
}
entry.setCancelled(event.isCancelled());
if (event.isCancelled()) {
playDenyEffect(event.getBlock().getLocation().add(0.5, 1, 0.5));
}
}
}
//-------------------------------------------------------------------------
// Block external interaction
//-------------------------------------------------------------------------
@EventHandler(ignoreCancelled = true)
public void onBlockDamage(BlockDamageEvent event) {
Block target = event.getBlock();
// Previously, and perhaps still, the only way to catch cake eating
// events was through here
if (target.getType() == Material.CAKE) {
Events.fireToCancel(event, new UseBlockEvent(event, create(event.getPlayer()), target));
}
}
@EventHandler
public void onPlayerInteract(PlayerInteractEvent event) {
Player player = event.getPlayer();
@Nullable ItemStack item = event.getItem();
Block clicked = event.getClickedBlock();
Block placed;
boolean silent = false;
boolean modifiesWorld;
Cause cause = create(player);
switch (event.getAction()) {
case PHYSICAL:
if (event.useInteractedBlock() != Result.DENY) {
DelegateEvent firedEvent = new UseBlockEvent(event, cause, clicked).setAllowed(hasInteractBypass(clicked));
if (clicked.getType() == Material.REDSTONE_ORE) {
silent = true;
}
if (clicked.getType() == Material.FARMLAND || clicked.getType() == Material.TURTLE_EGG) {
silent = true;
firedEvent.getRelevantFlags().add(Flags.TRAMPLE_BLOCKS);
}
firedEvent.setSilent(silent);
interactDebounce.debounce(clicked, event.getPlayer(), event, firedEvent);
}
break;
case RIGHT_CLICK_BLOCK:
if (event.useInteractedBlock() != Result.DENY) {
placed = clicked.getRelative(event.getBlockFace());
// Re-used for dispensers
handleBlockRightClick(event, create(event.getPlayer()), item, clicked, placed);
}
case LEFT_CLICK_BLOCK:
if (event.useInteractedBlock() != Result.DENY) {
placed = clicked.getRelative(event.getBlockFace());
// Only fire events for blocks that are modified when right clicked
final boolean hasItemInteraction = item != null && isItemAppliedToBlock(item, clicked)
&& event.getAction() == Action.RIGHT_CLICK_BLOCK;
modifiesWorld = isBlockModifiedOnClick(clicked, event.getAction() == Action.RIGHT_CLICK_BLOCK)
|| hasItemInteraction;
if (Events.fireAndTestCancel(new UseBlockEvent(event, cause, clicked).setAllowed(!modifiesWorld))) {
event.setUseInteractedBlock(Result.DENY);
}
// Handle connected blocks (i.e. beds, chests)
for (Block connected : Blocks.getConnected(clicked)) {
if (Events.fireAndTestCancel(new UseBlockEvent(event, create(event.getPlayer()), connected).setAllowed(!modifiesWorld))) {
event.setUseInteractedBlock(Result.DENY);
break;
}
}
if (hasItemInteraction) {
if (Events.fireAndTestCancel(new PlaceBlockEvent(event, cause, clicked.getLocation(), clicked.getType()))) {
event.setUseItemInHand(Result.DENY);
event.setUseInteractedBlock(Result.DENY);
}
}
// Special handling of putting out fires
if (event.getAction() == Action.LEFT_CLICK_BLOCK && placed.getType() == Material.FIRE) {
if (Events.fireAndTestCancel(new BreakBlockEvent(event, create(event.getPlayer()), placed))) {
event.setUseInteractedBlock(Result.DENY);
break;
}
}
if (event.isCancelled()) {
playDenyEffect(event.getPlayer(), clicked.getLocation().add(0.5, 1, 0.5));
}
}
case LEFT_CLICK_AIR:
case RIGHT_CLICK_AIR:
if (event.useItemInHand() != Result.DENY) {
if (item != null && !item.getType().isBlock() && Events.fireAndTestCancel(new UseItemEvent(event, cause, player.getWorld(), item))) {
event.setUseItemInHand(Result.DENY);
}
}
// Check for items that the administrator has configured to
// emit a "use block here" event where the player is
// standing, which is a hack to protect items that don't
// throw events
if (item != null && ((BukkitWorldConfiguration) getWorldConfig(BukkitAdapter.adapt(player.getWorld()))).blockUseAtFeet.test(item)) {
if (Events.fireAndTestCancel(new UseBlockEvent(event, cause, player.getLocation().getBlock()))) {
event.setUseInteractedBlock(Result.DENY);
}
}
break;
}
}
@EventHandler(ignoreCancelled = true)
public void onEntityBlockForm(EntityBlockFormEvent event) {
entityBreakBlockDebounce.debounce(event.getBlock(), event.getEntity(), event,
new PlaceBlockEvent(event, create(event.getEntity()),
event.getBlock().getLocation(), event.getNewState().getType()));
}
@EventHandler(ignoreCancelled = true)
public void onEntityInteract(EntityInteractEvent event) {
interactDebounce.debounce(event.getBlock(), event.getEntity(), event,
new UseBlockEvent(event, create(event.getEntity()),
event.getBlock()).setAllowed(hasInteractBypass(event.getBlock())));
}
@EventHandler(ignoreCancelled = true)
public void onBlockIgnite(BlockIgniteEvent event) {
Block block = event.getBlock();
Cause cause;
// Find the cause
if (event.getPlayer() != null) {
cause = create(event.getPlayer());
} else if (event.getIgnitingEntity() != null) {
cause = create(event.getIgnitingEntity());
} else if (event.getIgnitingBlock() != null) {
cause = create(event.getIgnitingBlock());
} else {
cause = Cause.unknown();
}
Events.fireToCancel(event, new PlaceBlockEvent(event, cause, block.getLocation(), Material.FIRE));
}
@EventHandler(ignoreCancelled = true)
public void onSignChange(SignChangeEvent event) {
Events.fireToCancel(event, new UseBlockEvent(event, create(event.getPlayer()), event.getBlock()));
if (event.isCancelled()) {
playDenyEffect(event.getPlayer(), event.getBlock().getLocation().add(0.5, 0.5, 0.5));
}
}
@EventHandler(ignoreCancelled = true)
public void onBedEnter(PlayerBedEnterEvent event) {
Events.fireToCancel(event, new UseBlockEvent(event, create(event.getPlayer()), event.getBed()));
}
@EventHandler(ignoreCancelled = true)
public void onPlayerBucketEmpty(PlayerBucketEmptyEvent event) {
Player player = event.getPlayer();
Block blockClicked = event.getBlockClicked();
Block blockAffected;
if (blockClicked.getBlockData() instanceof Waterlogged) {
blockAffected = blockClicked;
} else {
blockAffected = blockClicked.getRelative(event.getBlockFace());
}
boolean allowed = false;
// Milk buckets can't be emptied as of writing
if (event.getBucket() == Material.MILK_BUCKET) {
allowed = true;
}
ItemStack item = new ItemStack(event.getBucket(), 1);
Material blockMaterial = Materials.getBucketBlockMaterial(event.getBucket());
Events.fireToCancel(event, new PlaceBlockEvent(event, create(player), blockAffected.getLocation(), blockMaterial).setAllowed(allowed));
Events.fireToCancel(event, new UseItemEvent(event, create(player), player.getWorld(), item).setAllowed(allowed));
if (event.isCancelled()) {
playDenyEffect(event.getPlayer(), blockAffected.getLocation().add(0.5, 0.5, 0.5));
}
}
@EventHandler(ignoreCancelled = true)
public void onPlayerBucketFill(PlayerBucketFillEvent event) {
Player player = event.getPlayer();
Block blockAffected = event.getBlockClicked().getRelative(event.getBlockFace());
boolean allowed = false;
// Milk buckets can't be emptied as of writing
if (event.getItemStack().getType() == Material.MILK_BUCKET) {
allowed = true;
}
ItemStack item = new ItemStack(event.getBucket(), 1);
Events.fireToCancel(event, new BreakBlockEvent(event, create(player), blockAffected).setAllowed(allowed));
Events.fireToCancel(event, new UseItemEvent(event, create(player), player.getWorld(), item).setAllowed(allowed));
if (event.isCancelled()) {
playDenyEffect(event.getPlayer(), blockAffected.getLocation().add(0.5, 0.5, 0.5));
}
}
// TODO: Handle EntityPortalEnterEvent
//-------------------------------------------------------------------------
// Block self-interaction
//-------------------------------------------------------------------------
@EventHandler(ignoreCancelled = true)
public void onBlockFromTo(BlockFromToEvent event) {
WorldConfiguration config = getWorldConfig(BukkitAdapter.adapt(event.getBlock().getWorld()));
// This only applies to regions but nothing else cares about high
// frequency events at the moment
if (!config.useRegions || (!config.highFreqFlags && !config.checkLiquidFlow)) {
return;
}
Block from = event.getBlock();
Block to = event.getToBlock();
Material fromType = from.getType();
Material toType = to.getType();
// Liquids pass this event when flowing to solid blocks
if (Materials.isLiquid(fromType) && toType.isSolid()) {
return;
}
// This significantly reduces the number of events without having
// too much effect. Unfortunately it appears that even if this
// check didn't exist, you can raise the level of some liquid
// flow and the from/to data may not be correct.
if ((Materials.isWater(fromType) && Materials.isWater(toType)) || (Materials.isLava(fromType) && Materials.isLava(toType))) {
return;
}
Cause cause = create(from);
// Disable since it's probably not needed
/*if (from.getType() != Material.AIR) {
Events.fireToCancel(event, new BreakBlockEvent(event, cause, to));
}*/
Events.fireToCancel(event, new PlaceBlockEvent(event, cause, to.getLocation(), from.getType()));
}
//-------------------------------------------------------------------------
// Entity break / place
//-------------------------------------------------------------------------
@EventHandler(ignoreCancelled = true)
public void onCreatureSpawn(CreatureSpawnEvent event) {
switch (event.getSpawnReason()) {
case DISPENSE_EGG:
case EGG:
case SPAWNER_EGG:
if (getWorldConfig(BukkitAdapter.adapt(event.getEntity().getWorld())).strictEntitySpawn) {
Events.fireToCancel(event, new SpawnEntityEvent(event, Cause.unknown(), event.getEntity()));
}
break;
default:
}
}
@EventHandler(ignoreCancelled = true)
public void onHangingPlace(HangingPlaceEvent event) {
Events.fireToCancel(event, new SpawnEntityEvent(event, create(event.getPlayer()), event.getEntity()));
if (event.isCancelled()) {
Block effectBlock = event.getBlock().getRelative(event.getBlockFace());
playDenyEffect(event.getPlayer(), effectBlock.getLocation().add(0.5, 0.5, 0.5));
}
}
@EventHandler(ignoreCancelled = true)
public void onHangingBreak(HangingBreakEvent event) {
if (event instanceof HangingBreakByEntityEvent) {
Entity remover = ((HangingBreakByEntityEvent) event).getRemover();
Events.fireToCancel(event, new DestroyEntityEvent(event, create(remover), event.getEntity()));
if (event.isCancelled() && remover instanceof Player) {
playDenyEffect((Player) remover, event.getEntity().getLocation());
}
} else if (event.getCause() == HangingBreakEvent.RemoveCause.EXPLOSION){
DestroyEntityEvent destroyEntityEvent = new DestroyEntityEvent(event, Cause.unknown(), event.getEntity());
destroyEntityEvent.getRelevantFlags().add(Flags.OTHER_EXPLOSION);
if (event.getEntity() instanceof ItemFrame) {
destroyEntityEvent.getRelevantFlags().add(Flags.ENTITY_ITEM_FRAME_DESTROY);
} else if (event.getEntity() instanceof Painting) {
destroyEntityEvent.getRelevantFlags().add(Flags.ENTITY_PAINTING_DESTROY);
}
Events.fireToCancel(event, destroyEntityEvent);
}
}
@EventHandler(ignoreCancelled = true)
public void onVehicleDestroy(VehicleDestroyEvent event) {
Events.fireToCancel(event, new DestroyEntityEvent(event, create(event.getAttacker()), event.getVehicle()));
}
@EventHandler(ignoreCancelled = true)
public void onBlockExp(BlockExpEvent event) {
if (event.getExpToDrop() > 0) { // Event is raised even where no XP is being dropped
if (Events.fireAndTestCancel(new SpawnEntityEvent(event, create(event.getBlock()), event.getBlock().getLocation(), EntityType.EXPERIENCE_ORB))) {
event.setExpToDrop(0);
}
}
}
@EventHandler(ignoreCancelled = true)
public void onPlayerFish(PlayerFishEvent event) {
if (event.getState() == PlayerFishEvent.State.FISHING) {
if (Events.fireAndTestCancel(new UseItemEvent(event, create(event.getPlayer(), event.getHook()),
event.getPlayer().getWorld(), event.getPlayer().getInventory().getItemInMainHand()))) {
event.setCancelled(true);
}
} else if (event.getState() == PlayerFishEvent.State.CAUGHT_FISH) {
if (Events.fireAndTestCancel(new SpawnEntityEvent(event, create(event.getPlayer(), event.getHook()), event.getHook().getLocation(), EntityType.EXPERIENCE_ORB))) {
event.setExpToDrop(0);
}
} else if (event.getState() == PlayerFishEvent.State.CAUGHT_ENTITY) {
Entity caught = event.getCaught();
if (caught == null) return;
if (caught instanceof Item) {
Events.fireToCancel(event, new DestroyEntityEvent(event, create(event.getPlayer(), event.getHook()), caught));
} else if (Entities.isConsideredBuildingIfUsed(caught)) {
Events.fireToCancel(event, new UseEntityEvent(event, create(event.getPlayer(), event.getHook()), caught));
} else if (Entities.isNonHostile(caught) || caught instanceof Player) {
Events.fireToCancel(event, new DamageEntityEvent(event, create(event.getPlayer(), event.getHook()), caught));
}
}
}
@EventHandler(ignoreCancelled = true)
public void onExpBottle(ExpBottleEvent event) {
if (Events.fireAndTestCancel(new SpawnEntityEvent(event, create(event.getEntity()), event.getEntity().getLocation(), EntityType.EXPERIENCE_ORB))) {
event.setExperience(0);
// Give the player back his or her XP bottle
ProjectileSource shooter = event.getEntity().getShooter();
if (shooter instanceof Player) {
Player player = (Player) shooter;
if (player.getGameMode() != GameMode.CREATIVE) {
player.getInventory().addItem(new ItemStack(Material.EXPERIENCE_BOTTLE, 1));
}
}
}
}
@EventHandler(ignoreCancelled = true)
public void onEntityDeath(EntityDeathEvent event) {
if (event.getDroppedExp() > 0) {
if (Events.fireAndTestCancel(new SpawnEntityEvent(event, create(event.getEntity()), event.getEntity().getLocation(), EntityType.EXPERIENCE_ORB))) {
event.setDroppedExp(0);
}
}
}
//-------------------------------------------------------------------------
// Entity external interaction
//-------------------------------------------------------------------------
@EventHandler(ignoreCancelled = true)
public void onPlayerInteractEntity(PlayerInteractEntityEvent event) {
Player player = event.getPlayer();
World world = player.getWorld();
ItemStack item = event.getHand() == EquipmentSlot.OFF_HAND
? player.getInventory().getItemInOffHand() : player.getInventory().getItemInMainHand();
Entity entity = event.getRightClicked();
if (Events.fireToCancel(event, new UseItemEvent(event, create(player), world, item))) {
return;
}
final UseEntityEvent useEntityEvent = new UseEntityEvent(event, create(player), entity);
Material matchingItem = Materials.getRelatedMaterial(entity.getType());
if (matchingItem != null && hasInteractBypass(world, matchingItem)) {
useEntityEvent.setAllowed(true);
}
Events.fireToCancel(event, useEntityEvent);
}
@EventHandler(ignoreCancelled = true)
public void onEntityDamage(EntityDamageEvent event) {
if (event instanceof EntityDamageByBlockEvent) {
@Nullable Block attacker = ((EntityDamageByBlockEvent) event).getDamager();
// The attacker should NOT be null, but sometimes it is
// See WORLDGUARD-3350
if (attacker != null) {
Events.fireToCancel(event, new DamageEntityEvent(event, create(attacker), event.getEntity()));
}
} else if (event instanceof EntityDamageByEntityEvent) {
EntityDamageByEntityEvent entityEvent = (EntityDamageByEntityEvent) event;
Entity damager = entityEvent.getDamager();
Events.fireToCancel(event, new DamageEntityEvent(event, create(damager), event.getEntity()));
// Item use event with the item in hand
// Older blacklist handler code used this, although it suffers from
// race problems
if (damager instanceof Player) {
// this event doesn't tell us which hand the weapon was in
ItemStack item = ((Player) damager).getInventory().getItemInMainHand();
if (item.getType() != Material.AIR) {
Events.fireToCancel(event, new UseItemEvent(event, create(damager), event.getEntity().getWorld(), item));
}
}
}
}
@EventHandler(ignoreCancelled = true)
public void onEntityCombust(EntityCombustEvent event) {
if (event instanceof EntityCombustByBlockEvent) {
// at the time of writing, spigot is throwing null for the event's combuster. this causes lots of issues downstream.
// whenever (i mean if ever) it is fixed, use getCombuster again instead of the current block
Events.fireToCancel(event, new DamageEntityEvent(event, create(event.getEntity().getLocation().getBlock()), event.getEntity()));
} else if (event instanceof EntityCombustByEntityEvent) {
Events.fireToCancel(event, new DamageEntityEvent(event, create(((EntityCombustByEntityEvent) event).getCombuster()), event.getEntity()));
}
}
@EventHandler(ignoreCancelled = true)
public void onEntityUnleash(EntityUnleashEvent event) {
if (event instanceof PlayerUnleashEntityEvent) {
PlayerUnleashEntityEvent playerEvent = (PlayerUnleashEntityEvent) event;
Events.fireToCancel(playerEvent, new UseEntityEvent(playerEvent, create(playerEvent.getPlayer()), event.getEntity()));
}
}
@EventHandler(ignoreCancelled = true)
public void onEntityTame(EntityTameEvent event) {
Events.fireToCancel(event, new UseEntityEvent(event, create(event.getOwner()), event.getEntity()));
}
@EventHandler(ignoreCancelled = true)
public void onPlayerShearEntity(PlayerShearEntityEvent event) {
Events.fireToCancel(event, new UseEntityEvent(event, create(event.getPlayer()), event.getEntity()));
}
@EventHandler(ignoreCancelled = true)
public void onPlayerPickupItem(PlayerPickupItemEvent event) {
Item item = event.getItem();
pickupDebounce.debounce(event.getPlayer(), item, event, new DestroyEntityEvent(event, create(event.getPlayer()), event.getItem()));
}
@EventHandler(ignoreCancelled = true)
public void onPlayerDropItem(PlayerDropItemEvent event) {
Events.fireToCancel(event, new SpawnEntityEvent(event, create(event.getPlayer()), event.getItemDrop()));
}
@EventHandler(ignoreCancelled = true)
public void onVehicleDamage(VehicleDamageEvent event) {
Entity attacker = event.getAttacker();
Events.fireToCancel(event, new DamageEntityEvent(event, create(attacker), event.getVehicle()));
}
//-------------------------------------------------------------------------
// Composite events
//-------------------------------------------------------------------------
@EventHandler(ignoreCancelled = true)
public void onPlayerItemConsume(PlayerItemConsumeEvent event) {
Events.fireToCancel(event, new UseItemEvent(event, create(event.getPlayer()), event.getPlayer().getWorld(), event.getItem()));
}
@EventHandler(ignoreCancelled = true)
public void onInventoryOpen(InventoryOpenEvent event) {
InventoryHolder holder = event.getInventory().getHolder();
if (holder instanceof Entity && holder == event.getPlayer()) return;
handleInventoryHolderUse(event, create(event.getPlayer()), holder);
}
@EventHandler(ignoreCancelled = true)
public void onInventoryMoveItem(InventoryMoveItemEvent event) {
final InventoryHolder causeHolder = event.getInitiator().getHolder();
InventoryHolder sourceHolder = event.getSource().getHolder();
InventoryHolder targetHolder = event.getDestination().getHolder();
if ((causeHolder instanceof Hopper || causeHolder instanceof Dropper)
&& ((BukkitWorldConfiguration) WorldGuard.getInstance().getPlatform().getGlobalStateManager().get(
BukkitAdapter.adapt(((Container) causeHolder).getWorld()))).ignoreHopperMoveEvents) {
return;
}
Entry entry;
if ((entry = moveItemDebounce.tryDebounce(event)) != null) {
Cause cause;
if (causeHolder instanceof Entity) {
cause = create(causeHolder);
} else if (causeHolder instanceof BlockState) {
cause = create(((BlockState) causeHolder).getBlock());
} else {
cause = Cause.unknown();
}
if (causeHolder != null && !causeHolder.equals(sourceHolder)) {
handleInventoryHolderUse(event, cause, sourceHolder);
}
handleInventoryHolderUse(event, cause, targetHolder);
if (event.isCancelled() && causeHolder instanceof Hopper) {
Bukkit.getScheduler().scheduleSyncDelayedTask(getPlugin(),
() -> ((Hopper) causeHolder).getBlock().breakNaturally());
} else {
entry.setCancelled(event.isCancelled());
}
}
}
@EventHandler(ignoreCancelled = true)
public void onPotionSplash(PotionSplashEvent event) {
Entity entity = event.getEntity();
ThrownPotion potion = event.getPotion();
World world = entity.getWorld();
Cause cause = create(potion);
// Fire item interaction event
Events.fireToCancel(event, new UseItemEvent(event, cause, world, potion.getItem()));
// Fire entity interaction event
if (!event.isCancelled()) {
int blocked = 0;
int affectedSize = event.getAffectedEntities().size();
boolean hasDamageEffect = Materials.hasDamageEffect(potion.getEffects());
for (LivingEntity affected : event.getAffectedEntities()) {
DelegateEvent delegate = hasDamageEffect
? new DamageEntityEvent(event, cause, affected) :
new UseEntityEvent(event, cause, affected);
// Consider the potion splash flag
delegate.getRelevantFlags().add(Flags.POTION_SPLASH);
if (Events.fireAndTestCancel(delegate)) {
event.setIntensity(affected, 0);
blocked++;
}
}
if (blocked == affectedSize) { // server does weird things with this if the event is modified, so use cached number
event.setCancelled(true);
}
}
}
@EventHandler(ignoreCancelled = true)
public void onBlockDispense(BlockDispenseEvent event) {
Cause cause = create(event.getBlock());
Block dispenserBlock = event.getBlock();
ItemStack item = event.getItem();
Events.fireToCancel(event, new UseItemEvent(event, cause, dispenserBlock.getWorld(), item));
// Simulate right click event as players have it
if (dispenserBlock.getBlockData() instanceof Dispenser) {
Dispenser dispenser = (Dispenser) dispenserBlock.getBlockData();
Block placed = dispenserBlock.getRelative(dispenser.getFacing());
Block clicked = placed.getRelative(dispenser.getFacing());
handleBlockRightClick(event, cause, item, clicked, placed);
}
}
@EventHandler(ignoreCancelled = true)
public void onLingeringSplash(LingeringPotionSplashEvent event) {
AreaEffectCloud aec = event.getAreaEffectCloud();
ThrownPotion potion = event.getEntity();
World world = potion.getWorld();
Cause cause = create(event.getEntity());
// Fire item interaction event
Events.fireToCancel(event, new UseItemEvent(event, cause, world, potion.getItem()));
// Fire entity spawn event
if (!event.isCancelled()) {
// radius unfortunately doesn't go through with this, so only a single location is tested
Events.fireToCancel(event, new SpawnEntityEvent(event, cause, aec.getLocation().add(0.5, 0, 0.5), EntityType.AREA_EFFECT_CLOUD));
}
}
@EventHandler(ignoreCancelled = true)
public void onLingeringApply(AreaEffectCloudApplyEvent event) {
if (!Materials.hasDamageEffect(event.getEntity().getCustomEffects())) {
return;
}
Cause cause = create(event.getEntity());
event.getAffectedEntities()
.removeIf(victim -> Events.fireAndTestCancel(new DamageEntityEvent(event, cause, victim)));
}
@EventHandler(ignoreCancelled = true)
public void onPlayerInteractAtEntity(PlayerInteractAtEntityEvent event){
onPlayerInteractEntity(event);
}
@EventHandler(ignoreCancelled = true)
public void onBlockExplode(BlockExplodeEvent event) {
final BreakBlockEvent eventToFire = new BreakBlockEvent(event, create(event.getBlock()),
event.getBlock().getLocation().getWorld(), event.blockList(), Material.AIR);
eventToFire.getRelevantFlags().add(Flags.OTHER_EXPLOSION);
Events.fireBulkEventToCancel(event, eventToFire);
}
@EventHandler(ignoreCancelled = true)
public void onTakeLecternBook(PlayerTakeLecternBookEvent event) {
final UseBlockEvent useEvent = new UseBlockEvent(event, create(event.getPlayer()), event.getLectern().getBlock());
useEvent.getRelevantFlags().add(Flags.CHEST_ACCESS);
Events.fireToCancel(event, useEvent);
}
/**
* Handle the right click of a block while an item is held.
*
* @param event the original event
* @param cause the list of cause
* @param item the item
* @param placed the placed block
* @param <T> the event type
*/
private static <T extends Event & Cancellable> void handleBlockRightClick(T event, Cause cause, @Nullable ItemStack item, Block clicked, Block placed) {
if (item != null && item.getType() == Material.TNT) {
// Workaround for a bug that allowed TNT to trigger instantly if placed
// next to redstone, without plugins getting the clicked place event
// (not sure if this actually still happens) -- note Jun 2019 - happens with dispensers still, tho not players