/
MechanicListenerAdapter.java
369 lines (323 loc) · 15.9 KB
/
MechanicListenerAdapter.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
/*
* CraftBook Copyright (C) EngineHub and Contributors <https://enginehub.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 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License along with this program. If not,
* see <http://www.gnu.org/licenses/>.
*/
package org.enginehub.craftbook.bukkit;
import org.bukkit.Bukkit;
import org.bukkit.Location;
import org.bukkit.Material;
import org.bukkit.block.Block;
import org.bukkit.block.BlockFace;
import org.bukkit.block.PistonMoveReaction;
import org.bukkit.block.data.AnaloguePowerable;
import org.bukkit.block.data.BlockData;
import org.bukkit.block.data.Directional;
import org.bukkit.block.data.Lightable;
import org.bukkit.block.data.Powerable;
import org.bukkit.block.data.type.RedstoneWire;
import org.bukkit.entity.Minecart;
import org.bukkit.event.EventHandler;
import org.bukkit.event.EventPriority;
import org.bukkit.event.Listener;
import org.bukkit.event.block.Action;
import org.bukkit.event.block.BlockBreakEvent;
import org.bukkit.event.block.BlockPlaceEvent;
import org.bukkit.event.block.BlockRedstoneEvent;
import org.bukkit.event.block.SignChangeEvent;
import org.bukkit.event.player.PlayerInteractEvent;
import org.bukkit.event.vehicle.VehicleEnterEvent;
import org.bukkit.event.vehicle.VehicleMoveEvent;
import org.bukkit.inventory.EquipmentSlot;
import org.enginehub.craftbook.CraftBook;
import org.enginehub.craftbook.mechanics.minecart.blocks.CartBlockMechanism;
import org.enginehub.craftbook.mechanics.minecart.blocks.CartMechanismBlocks;
import org.enginehub.craftbook.mechanics.minecart.events.CartBlockEnterEvent;
import org.enginehub.craftbook.mechanics.minecart.events.CartBlockImpactEvent;
import org.enginehub.craftbook.mechanics.minecart.events.CartBlockRedstoneEvent;
import org.enginehub.craftbook.util.EventUtil;
import org.enginehub.craftbook.util.HistoryHashMap;
import org.enginehub.craftbook.util.LocationUtil;
import org.enginehub.craftbook.util.SignUtil;
import org.enginehub.craftbook.util.events.SignClickEvent;
import org.enginehub.craftbook.util.events.SourcedBlockRedstoneEvent;
import java.util.Map;
import java.util.UUID;
/**
* This adapter hooks a mechanic manager up to Bukkit.
*/
final class MechanicListenerAdapter implements Listener {
private final Map<UUID, Long> signClickTimer = new HistoryHashMap<>(10);
@EventHandler(priority = EventPriority.HIGH)
public void onPlayerInteract(final PlayerInteractEvent event) {
if (SignClickEvent.getHandlerList().getRegisteredListeners().length == 0) {
// Don't run this code when we have no listeners.
return;
}
if (!EventUtil.passesFilter(event)) {
return;
}
// TODO Determine if still necessary
Block block;
Action action = null;
if (event.getAction() == Action.RIGHT_CLICK_AIR) {
block = event.getPlayer().getTargetBlock(null, 5);
if (!block.getType().isAir()) {
action = Action.RIGHT_CLICK_BLOCK;
}
} else {
block = event.getClickedBlock();
action = event.getAction();
}
if (block != null && SignUtil.isSign(block) && event.getHand() == EquipmentSlot.HAND) {
if (CraftBook.getInstance().getPlatform().getConfiguration().signClickTimeout > 0) {
long lastClick = signClickTimer.computeIfAbsent(event.getPlayer().getUniqueId(), uuid -> 0L);
if (lastClick > System.currentTimeMillis() - (CraftBook.getInstance().getPlatform().getConfiguration().signClickTimeout)) {
return;
} else {
signClickTimer.put(event.getPlayer().getUniqueId(), System.currentTimeMillis());
}
}
SignClickEvent ev = new SignClickEvent(event.getPlayer(), action, event.getItem(), block, event.getBlockFace(), event.getHand(), event.getInteractionPoint());
CraftBookPlugin.inst().getServer().getPluginManager().callEvent(ev);
if (ev.isCancelled()) {
event.setCancelled(true);
}
}
}
@EventHandler(priority = EventPriority.MONITOR, ignoreCancelled = true)
public void onBlockBreak(BlockBreakEvent event) {
if (SourcedBlockRedstoneEvent.getHandlerList().getRegisteredListeners().length == 0
&& CartBlockRedstoneEvent.getHandlerList().getRegisteredListeners().length == 0) {
// Don't run this code when we have no listeners.
return;
}
if (!EventUtil.passesFilter(event)) {
return;
}
checkBlockChange(event.getBlock(), false);
}
@EventHandler(priority = EventPriority.MONITOR, ignoreCancelled = true)
public void onBlockPlace(BlockPlaceEvent event) {
if (SourcedBlockRedstoneEvent.getHandlerList().getRegisteredListeners().length == 0
&& CartBlockRedstoneEvent.getHandlerList().getRegisteredListeners().length == 0) {
// Don't run this code when we have no listeners.
return;
}
if (!EventUtil.passesFilter(event)) {
return;
}
checkBlockChange(event.getBlock(), true);
}
private static void checkBlockChange(Block block, boolean build) {
Material type = block.getType();
int power = 0;
if (type == Material.REDSTONE_BLOCK) {
power = 15;
} else if (type == Material.REDSTONE_WALL_TORCH || type == Material.REDSTONE_TORCH) {
Lightable lightable = (Lightable) block.getBlockData();
if (lightable.isLit()) {
power = 15;
}
} else {
BlockData blockData = block.getBlockData();
if (blockData instanceof Powerable) {
if (((Powerable) blockData).isPowered()) {
power = 15;
}
} else if (blockData instanceof AnaloguePowerable) {
power = ((AnaloguePowerable) blockData).getPower();
}
}
if (power != 0) {
handleRedstoneForBlock(block, build ? 0 : power, build ? power : 0);
}
}
@EventHandler(priority = EventPriority.HIGH)
public void onBlockRedstoneChange(BlockRedstoneEvent event) {
if (SourcedBlockRedstoneEvent.getHandlerList().getRegisteredListeners().length == 0
&& CartBlockRedstoneEvent.getHandlerList().getRegisteredListeners().length == 0) {
// Don't run this code when we have no listeners.
return;
}
if (!EventUtil.passesFilter(event)) {
return;
}
handleRedstoneForBlock(event.getBlock(), event.getOldCurrent(), event.getNewCurrent());
}
private static void handleRedstoneForBlock(Block block, int oldLevel, int newLevel) {
boolean wasOn = oldLevel >= 1;
boolean isOn = newLevel >= 1;
boolean wasChange = wasOn != isOn;
// For efficiency reasons, we're only going to consider changes between
// off and on state, and ignore simple current changes (i.e. 15->13)
if (!wasChange) {
return;
}
// When this hook has been called, the level in the world has not
// yet been updated, so we're going to do this very ugly thing of
// faking the value with the new one whenever the data value of this
// block is requested -- it is quite ugly
switch (block.getType()) {
case REDSTONE_WIRE:
if (CraftBook.getInstance().getPlatform().getConfiguration().indirectRedstone) {
// power all blocks around the redstone wire on the same y level
// north/south
handleDirectWireInput(block.getRelative(BlockFace.NORTH), block, oldLevel, newLevel);
handleDirectWireInput(block.getRelative(BlockFace.SOUTH), block, oldLevel, newLevel);
// east/west
handleDirectWireInput(block.getRelative(BlockFace.EAST), block, oldLevel, newLevel);
handleDirectWireInput(block.getRelative(BlockFace.WEST), block, oldLevel, newLevel);
} else {
RedstoneWire redstoneWire = (RedstoneWire) block.getBlockData();
// Redstone wire only connects to known redstone blocks, not signs etc.
int connectedFaces = 0;
for (BlockFace face : redstoneWire.getAllowedFaces()) {
if (redstoneWire.getFace(face) != RedstoneWire.Connection.NONE) {
connectedFaces++;
}
}
for (BlockFace face : redstoneWire.getAllowedFaces()) {
RedstoneWire.Connection connection = redstoneWire.getFace(face);
// TODO Re-test in 1.16
if (connection != RedstoneWire.Connection.NONE
|| connectedFaces == 0
|| connectedFaces == 1 && redstoneWire.getFace(face.getOppositeFace()) != RedstoneWire.Connection.NONE) {
handleDirectWireInput(block.getRelative(face), block, oldLevel, newLevel);
}
}
}
// Can be triggered from below
handleDirectWireInput(block.getRelative(BlockFace.UP), block, oldLevel, newLevel);
// Can be triggered from above (Eg, glass->glowstone like redstone lamps)
handleDirectWireInput(block.getRelative(BlockFace.DOWN), block, oldLevel, newLevel);
return;
case REPEATER:
case COMPARATOR:
case OBSERVER:
Directional diode = (Directional) block.getBlockData();
BlockFace f = diode.getFacing().getOppositeFace();
Block relativeBlock = block.getRelative(f);
handleDirectWireInput(relativeBlock, block, oldLevel, newLevel);
if (relativeBlock.getPistonMoveReaction() != PistonMoveReaction.BREAK) {
handleRedstoneForBlock(relativeBlock, oldLevel, newLevel);
}
return;
case ACACIA_BUTTON:
case BIRCH_BUTTON:
case DARK_OAK_BUTTON:
case JUNGLE_BUTTON:
case OAK_BUTTON:
case SPRUCE_BUTTON:
case STONE_BUTTON:
case LEVER:
Directional button = (Directional) block.getBlockData();
BlockFace face = button.getFacing().getOppositeFace();
handleRedstoneForBlock(block.getRelative(face), oldLevel, newLevel);
break;
case POWERED_RAIL:
case ACTIVATOR_RAIL:
return;
}
// For redstone wires and repeaters, the code already exited this method
// Non-wire blocks proceed
handleDirectWireInput(block.getRelative(BlockFace.WEST), block, oldLevel, newLevel);
handleDirectWireInput(block.getRelative(BlockFace.EAST), block, oldLevel, newLevel);
handleDirectWireInput(block.getRelative(BlockFace.WEST).getRelative(BlockFace.DOWN), block, oldLevel, newLevel);
handleDirectWireInput(block.getRelative(BlockFace.EAST).getRelative(BlockFace.DOWN), block, oldLevel, newLevel);
handleDirectWireInput(block.getRelative(BlockFace.NORTH), block, oldLevel, newLevel);
handleDirectWireInput(block.getRelative(BlockFace.SOUTH), block, oldLevel, newLevel);
handleDirectWireInput(block.getRelative(BlockFace.NORTH).getRelative(BlockFace.DOWN), block, oldLevel, newLevel);
handleDirectWireInput(block.getRelative(BlockFace.SOUTH).getRelative(BlockFace.DOWN), block, oldLevel, newLevel);
// Can be triggered from below
handleDirectWireInput(block.getRelative(BlockFace.UP), block, oldLevel, newLevel);
// Can be triggered from above
handleDirectWireInput(block.getRelative(BlockFace.DOWN), block, oldLevel, newLevel);
}
/**
* Handle the direct wire input.
*
* @param block The block that was triggered
* @param sourceBlock The source block
* @param oldLevel The old power level
* @param newLevel The new power level
*/
private static void handleDirectWireInput(Block block, Block sourceBlock, int oldLevel, int newLevel) {
if (block.getBlockKey() == sourceBlock.getBlockKey()) { //The same block, don't run.
return;
}
final SourcedBlockRedstoneEvent event = new SourcedBlockRedstoneEvent(sourceBlock, block, oldLevel, newLevel);
CraftBookPlugin.inst().getServer().getPluginManager().callEvent(event);
if (CartBlockRedstoneEvent.getHandlerList().getRegisteredListeners().length != 0) {
Bukkit.getServer().getScheduler().runTask(CraftBookPlugin.inst(), () -> {
CartMechanismBlocks cmb = CartMechanismBlocks.find(event.getBlock());
CartBlockRedstoneEvent ev =
new CartBlockRedstoneEvent(event.getBlock(), event.getSource(), event.getOldCurrent(), event.getNewCurrent(), cmb,
CartBlockMechanism.getCart(cmb.rail));
CraftBookPlugin.inst().getServer().getPluginManager().callEvent(ev);
});
}
}
@EventHandler(priority = EventPriority.HIGH)
public void onVehicleMove(VehicleMoveEvent event) {
if (CartBlockImpactEvent.getHandlerList().getRegisteredListeners().length == 0) {
// Don't run this code when we have no listeners.
return;
}
if (!EventUtil.passesFilter(event)) {
return;
}
if (event.getVehicle() instanceof Minecart) {
Minecart cart = (Minecart) event.getVehicle();
CartMechanismBlocks cmb = CartMechanismBlocks.findByRail(event.getTo().getBlock());
Location from = event.getFrom();
Location to = event.getTo();
if (!LocationUtil.isWithinSphericalRadius(from, to, 2)) { //Further than max distance
return;
}
boolean minor = from.getBlockX() == to.getBlockX() && from.getBlockY() == to.getBlockY() && from.getBlockZ() == to.getBlockZ();
CartBlockImpactEvent ev = new CartBlockImpactEvent(cart, from, to, cmb, minor);
CraftBookPlugin.inst().getServer().getPluginManager().callEvent(ev);
}
}
@EventHandler(priority = EventPriority.HIGH)
public void onVehicleEnter(VehicleEnterEvent event) {
if (CartBlockEnterEvent.getHandlerList().getRegisteredListeners().length == 0) {
// Don't run this code when we have no listeners.
return;
}
if (!EventUtil.passesFilter(event)) {
return;
}
if (event.getVehicle() instanceof Minecart) {
Minecart cart = (Minecart) event.getVehicle();
Block block = event.getVehicle().getLocation().getBlock();
CartMechanismBlocks cmb = CartMechanismBlocks.findByRail(block);
CartBlockEnterEvent ev = new CartBlockEnterEvent(cart, event.getEntered(), cmb);
CraftBookPlugin.inst().getServer().getPluginManager().callEvent(ev);
if (ev.isCancelled()) {
event.setCancelled(true);
}
}
}
@EventHandler(priority = EventPriority.LOWEST)
public void onSignChange(SignChangeEvent event) {
// TODO Determine if necessary
for (int i = 0; i < 4; i++) {
String line = event.getLine(i);
if (line.startsWith("&0") || line.startsWith("\u00A70")) {
line = line.substring(2);
event.setLine(i, line);
}
}
}
}