Scissors/patches/server/0049-Implement-command-block-events.patch

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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Allink <arclicious@vivaldi.net>
Date: Fri, 2 Jun 2023 20:55:18 +0100
Subject: [PATCH] Implement command block events
diff --git a/src/main/java/net/minecraft/network/protocol/game/ServerboundSetCommandMinecartPacket.java b/src/main/java/net/minecraft/network/protocol/game/ServerboundSetCommandMinecartPacket.java
index c99fc118013cb3d4043638e2001a8297e79ddf9c..cdaa81e1f2167b29ec01cc25e51a8400deb533d2 100644
--- a/src/main/java/net/minecraft/network/protocol/game/ServerboundSetCommandMinecartPacket.java
+++ b/src/main/java/net/minecraft/network/protocol/game/ServerboundSetCommandMinecartPacket.java
@@ -9,7 +9,7 @@ import net.minecraft.world.level.BaseCommandBlock;
import net.minecraft.world.level.Level;
public class ServerboundSetCommandMinecartPacket implements Packet<ServerGamePacketListener> {
- private final int entity;
+ public final int entity; // Scissors - private -> public
private final String command;
private final boolean trackOutput;
diff --git a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
index 757f20c0d546ab2ca9f32ca2c3733f36290d3a3d..127ed778733eb29f90416ae9c9f2ae0b8c727e9d 100644
--- a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
+++ b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
@@ -1,6 +1,8 @@
package net.minecraft.server.network;
import me.totalfreedom.scissors.ScissorsConfig;
+import me.totalfreedom.scissors.event.block.CommandBlockPlayerEditEvent;
+import me.totalfreedom.scissors.event.block.CommandMinecartPlayerEditEvent;
import me.totalfreedom.scissors.event.player.SpectatorTeleportEvent;
import com.google.common.collect.Lists;
import com.google.common.primitives.Floats;
@@ -160,6 +162,7 @@ import net.minecraft.world.entity.player.Inventory;
import net.minecraft.world.entity.player.ProfilePublicKey;
import net.minecraft.world.entity.projectile.AbstractArrow;
import net.minecraft.world.entity.vehicle.Boat;
+import net.minecraft.world.entity.vehicle.MinecartCommandBlock;
import net.minecraft.world.item.BlockItem;
import net.minecraft.world.item.BucketItem;
import net.minecraft.world.item.Item;
@@ -188,6 +191,10 @@ import net.minecraft.world.phys.Vec3;
import net.minecraft.world.phys.shapes.BooleanOp;
import net.minecraft.world.phys.shapes.Shapes;
import net.minecraft.world.phys.shapes.VoxelShape;
+import org.bukkit.craftbukkit.block.CraftBlockStates;
+import org.bukkit.craftbukkit.block.CraftCommandBlock;
+import org.bukkit.craftbukkit.entity.CraftMinecartCommand;
+import org.bukkit.entity.minecart.CommandMinecart;
import org.slf4j.Logger;
// CraftBukkit start
@@ -651,14 +658,14 @@ public class ServerGamePacketListenerImpl implements ServerPlayerConnection, Tic
if (this.player.level().paperConfig().chunks.preventMovingIntoUnloadedChunks && (
!worldserver.areChunksLoadedForMove(this.player.getBoundingBox().expandTowards(new Vec3(toX, toY, toZ).subtract(this.player.position()))) ||
!worldserver.areChunksLoadedForMove(entity.getBoundingBox().expandTowards(new Vec3(toX, toY, toZ).subtract(entity.position())))
- )) {
+ )) {
this.connection.send(new ClientboundMoveVehiclePacket(entity));
return;
}
// Paper end
if (d10 - d9 > Math.max(100.0D, Math.pow((double) (org.spigotmc.SpigotConfig.movedTooQuicklyMultiplier * (float) i * speed), 2)) && !this.isSingleplayerOwner()) {
- // CraftBukkit end
+ // CraftBukkit end
ServerGamePacketListenerImpl.LOGGER.warn("{} (vehicle of {}) moved too quickly! {},{},{}", new Object[]{entity.getName().getString(), this.player.getName().getString(), d6, d7, d8});
this.connection.send(new ClientboundMoveVehiclePacket(entity));
return;
@@ -905,11 +912,11 @@ public class ServerGamePacketListenerImpl implements ServerPlayerConnection, Tic
// Paper end - Don't suggest if tab-complete is disabled
// Paper start - async tab completion
TAB_COMPLETE_EXECUTOR.execute(() -> {
- StringReader stringreader = new StringReader(packet.getCommand());
+ StringReader stringreader = new StringReader(packet.getCommand());
- if (stringreader.canRead() && stringreader.peek() == '/') {
- stringreader.skip();
- }
+ if (stringreader.canRead() && stringreader.peek() == '/') {
+ stringreader.skip();
+ }
final String command = packet.getCommand();
final com.destroystokyo.paper.event.server.AsyncTabCompleteEvent event = new com.destroystokyo.paper.event.server.AsyncTabCompleteEvent(this.getCraftPlayer(), command, true, null);
event.callEvent();
@@ -1001,6 +1008,17 @@ public class ServerGamePacketListenerImpl implements ServerPlayerConnection, Tic
2023-06-09 00:58:46 +00:00
this.player.level().getChunkAt(blockposition).setBlockEntity(tileentity);
}
+ CommandBlockPlayerEditEvent event = new CommandBlockPlayerEditEvent(this.getCraftPlayer(), commandblocklistenerabstract.getCommand(), s, new CraftCommandBlock(this.player.level().getWorld(), tileentitycommand));
+
+ if (!event.callEvent()) {
+ return;
+ }
+
+ s = event.getNewCommand();
+
+
+ // Scissors end
+
commandblocklistenerabstract.setCommand(s);
commandblocklistenerabstract.setTrackOutput(flag);
if (!flag) {
@@ -1032,7 +1050,21 @@ public class ServerGamePacketListenerImpl implements ServerPlayerConnection, Tic
2023-06-09 00:58:46 +00:00
BaseCommandBlock commandblocklistenerabstract = packet.getCommandBlock(this.player.level());
if (commandblocklistenerabstract != null) {
- commandblocklistenerabstract.setCommand(packet.getCommand());
+ // Scissors start - Implement command block events
+ String command = packet.getCommand();
+ CommandMinecartPlayerEditEvent event = new CommandMinecartPlayerEditEvent(this.getCraftPlayer(), commandblocklistenerabstract.getCommand(), command, new CraftMinecartCommand(this.cserver, (MinecartCommandBlock) this.player.level().getEntity(packet.entity)));
+
+ if (!event.callEvent()) {
+ return;
+ }
+
+ command = event.getNewCommand();
+ commandblocklistenerabstract.setCommand(command);
+
+ // commandblocklistenerabstract.setCommand(packet.getCommand());
+
+ // Scissors end
+
commandblocklistenerabstract.setTrackOutput(packet.isTrackOutput());
if (!packet.isTrackOutput()) {
commandblocklistenerabstract.setLastOutput((Component) null);
@@ -1484,7 +1516,7 @@ public class ServerGamePacketListenerImpl implements ServerPlayerConnection, Tic
float f2 = this.player.isFallFlying() ? 300.0F : 100.0F;
if (d10 - d9 > Math.max(f2, Math.pow((double) (org.spigotmc.SpigotConfig.movedTooQuicklyMultiplier * (float) i * speed), 2)) && !this.isSingleplayerOwner()) {
- // CraftBukkit end
+ // CraftBukkit end
ServerGamePacketListenerImpl.LOGGER.warn("{} moved too quickly! {},{},{}", new Object[]{this.player.getName().getString(), d6, d7, d8});
this.teleport(this.player.getX(), this.player.getY(), this.player.getZ(), this.player.getYRot(), this.player.getXRot());
return;
@@ -1976,7 +2008,7 @@ public class ServerGamePacketListenerImpl implements ServerPlayerConnection, Tic
MutableComponent ichatmutablecomponent = Component.translatable("build.tooHigh", i - 1).withStyle(ChatFormatting.RED);
this.player.sendSystemMessage(ichatmutablecomponent, true);
- } else if (enuminteractionresult.shouldSwing() && !this.player.gameMode.interactResult) { // Paper
+ } else if (enuminteractionresult.shouldSwing() && !this.player.gameMode.interactResult) { // Paper
this.player.swing(enumhand, true);
}
}
@@ -2227,32 +2259,32 @@ public class ServerGamePacketListenerImpl implements ServerPlayerConnection, Tic
// CraftBukkit end
if (ServerGamePacketListenerImpl.isChatMessageIllegal(packet.message())) {
this.server.scheduleOnMain(() -> { // Paper - push to main for event firing
- this.disconnect(Component.translatable("multiplayer.disconnect.illegal_characters"), org.bukkit.event.player.PlayerKickEvent.Cause.ILLEGAL_CHARACTERS); // Paper - add cause
+ this.disconnect(Component.translatable("multiplayer.disconnect.illegal_characters"), org.bukkit.event.player.PlayerKickEvent.Cause.ILLEGAL_CHARACTERS); // Paper - add cause
}); // Paper - push to main for event firing
} else {
Optional<LastSeenMessages> optional = this.tryHandleChat(packet.message(), packet.timeStamp(), packet.lastSeenMessages());
if (optional.isPresent()) {
// this.server.submit(() -> { // CraftBukkit - async chat
- PlayerChatMessage playerchatmessage;
+ PlayerChatMessage playerchatmessage;
- try {
- playerchatmessage = this.getSignedMessage(packet, (LastSeenMessages) optional.get());
- } catch (SignedMessageChain.DecodeException signedmessagechain_a) {
- this.handleMessageDecodeFailure(signedmessagechain_a);
- return;
- }
+ try {
+ playerchatmessage = this.getSignedMessage(packet, (LastSeenMessages) optional.get());
+ } catch (SignedMessageChain.DecodeException signedmessagechain_a) {
+ this.handleMessageDecodeFailure(signedmessagechain_a);
+ return;
+ }
- CompletableFuture<FilteredText> completablefuture = this.filterTextPacket(playerchatmessage.signedContent());
- CompletableFuture<net.minecraft.network.chat.ChatDecorator.Result> completablefuture1 = this.server.getChatDecorator().decorate(this.player, null, playerchatmessage.decoratedContent()); // Paper
+ CompletableFuture<FilteredText> completablefuture = this.filterTextPacket(playerchatmessage.signedContent());
+ CompletableFuture<net.minecraft.network.chat.ChatDecorator.Result> completablefuture1 = this.server.getChatDecorator().decorate(this.player, null, playerchatmessage.decoratedContent()); // Paper
- this.chatMessageChain.append((executor) -> {
- return CompletableFuture.allOf(completablefuture, completablefuture1).thenAcceptAsync((ovoid) -> {
- PlayerChatMessage playerchatmessage1 = playerchatmessage.filter(((FilteredText) completablefuture.join()).mask()).withResult(completablefuture1.join()); // Paper
+ this.chatMessageChain.append((executor) -> {
+ return CompletableFuture.allOf(completablefuture, completablefuture1).thenAcceptAsync((ovoid) -> {
+ PlayerChatMessage playerchatmessage1 = playerchatmessage.filter(((FilteredText) completablefuture.join()).mask()).withResult(completablefuture1.join()); // Paper
- this.broadcastChatMessage(playerchatmessage1);
- }, this.server.chatExecutor); // CraftBukkit - async chat
- });
+ this.broadcastChatMessage(playerchatmessage1);
+ }, this.server.chatExecutor); // CraftBukkit - async chat
+ });
// }); // CraftBukkit - async chat
}
@@ -2263,7 +2295,7 @@ public class ServerGamePacketListenerImpl implements ServerPlayerConnection, Tic
public void handleChatCommand(ServerboundChatCommandPacket packet) {
if (ServerGamePacketListenerImpl.isChatMessageIllegal(packet.command())) {
this.server.scheduleOnMain(() -> { // Paper - push to main for event firing
- this.disconnect(Component.translatable("multiplayer.disconnect.illegal_characters"), org.bukkit.event.player.PlayerKickEvent.Cause.ILLEGAL_CHARACTERS); // Paper
+ this.disconnect(Component.translatable("multiplayer.disconnect.illegal_characters"), org.bukkit.event.player.PlayerKickEvent.Cause.ILLEGAL_CHARACTERS); // Paper
}); // Paper - push to main for event firing
} else {
Optional<LastSeenMessages> optional = this.tryHandleChat(packet.command(), packet.timeStamp(), packet.lastSeenMessages());
@@ -2288,7 +2320,7 @@ public class ServerGamePacketListenerImpl implements ServerPlayerConnection, Tic
// CraftBukkit start
String command = "/" + packet.command();
if (org.spigotmc.SpigotConfig.logCommands) { // Paper
- ServerGamePacketListenerImpl.LOGGER.info(this.player.getScoreboardName() + " issued server command: " + command);
+ ServerGamePacketListenerImpl.LOGGER.info(this.player.getScoreboardName() + " issued server command: " + command);
} // Paper
PlayerCommandPreprocessEvent event = new PlayerCommandPreprocessEvent(this.getCraftPlayer(), command, new LazyPlayerSet(this.server));
@@ -2353,7 +2385,7 @@ public class ServerGamePacketListenerImpl implements ServerPlayerConnection, Tic
if (!this.updateChatOrder(timestamp)) {
ServerGamePacketListenerImpl.LOGGER.warn("{} sent out-of-order chat: '{}': {} > {}", this.player.getName().getString(), message, this.lastChatTimeStamp.get().getEpochSecond(), timestamp.getEpochSecond()); // Paper
this.server.scheduleOnMain(() -> { // Paper - push to main
- this.disconnect(Component.translatable("multiplayer.disconnect.out_of_order_chat"), org.bukkit.event.player.PlayerKickEvent.Cause.OUT_OF_ORDER_CHAT); // Paper - kick event ca
+ this.disconnect(Component.translatable("multiplayer.disconnect.out_of_order_chat"), org.bukkit.event.player.PlayerKickEvent.Cause.OUT_OF_ORDER_CHAT); // Paper - kick event ca
}); // Paper - push to main
return Optional.empty();
} else {
@@ -2424,7 +2456,7 @@ public class ServerGamePacketListenerImpl implements ServerPlayerConnection, Tic
this.handleCommand(s);
} else if (this.player.getChatVisibility() == ChatVisiblity.SYSTEM) {
// Do nothing, this is coming from a plugin
- // Paper start
+ // Paper start
} else if (true) {
final ChatProcessor cp = new ChatProcessor(this.server, this.player, original, async);
cp.process();
@@ -2535,7 +2567,7 @@ public class ServerGamePacketListenerImpl implements ServerPlayerConnection, Tic
// Paper End
co.aikar.timings.MinecraftTimings.playerCommandTimer.startTiming(); // Paper
if ( org.spigotmc.SpigotConfig.logCommands ) // Spigot
- this.LOGGER.info(this.player.getScoreboardName() + " issued server command: " + s);
+ this.LOGGER.info(this.player.getScoreboardName() + " issued server command: " + s);
CraftPlayer player = this.getCraftPlayer();
@@ -2614,16 +2646,16 @@ public class ServerGamePacketListenerImpl implements ServerPlayerConnection, Tic
@Override
public void handleChatAck(ServerboundChatAckPacket packet) {
LastSeenMessagesValidator lastseenmessagesvalidator = this.lastSeenMessages;
- if (!this.lastSeenMessages.applyOffset(packet.offset())) {
- synchronized (this.lastSeenMessages) {
- // Scissors start - Add configuration option to disable chat signatures
- if (!ScissorsConfig.chatSignaturesEnabled)
- {
- return;
- }
- // Scissors end
- ServerGamePacketListenerImpl.LOGGER.warn("Failed to validate message acknowledgements from {}", this.player.getName().getString());
- this.disconnect(ServerGamePacketListenerImpl.CHAT_VALIDATION_FAILED, org.bukkit.event.player.PlayerKickEvent.Cause.CHAT_VALIDATION_FAILED); // Paper - kick event causes
+ if (!this.lastSeenMessages.applyOffset(packet.offset())) {
+ synchronized (this.lastSeenMessages) {
+ // Scissors start - Add configuration option to disable chat signatures
+ if (!ScissorsConfig.chatSignaturesEnabled)
+ {
+ return;
+ }
+ // Scissors end
+ ServerGamePacketListenerImpl.LOGGER.warn("Failed to validate message acknowledgements from {}", this.player.getName().getString());
+ this.disconnect(ServerGamePacketListenerImpl.CHAT_VALIDATION_FAILED, org.bukkit.event.player.PlayerKickEvent.Cause.CHAT_VALIDATION_FAILED); // Paper - kick event causes
}
}
@@ -2862,7 +2894,7 @@ public class ServerGamePacketListenerImpl implements ServerPlayerConnection, Tic
}
if (event.isCancelled()) {
- ServerGamePacketListenerImpl.this.player.containerMenu.sendAllDataToRemote(); // Paper - Refresh player inventory
+ ServerGamePacketListenerImpl.this.player.containerMenu.sendAllDataToRemote(); // Paper - Refresh player inventory
return;
}
// CraftBukkit end
@@ -3436,19 +3468,19 @@ public class ServerGamePacketListenerImpl implements ServerPlayerConnection, Tic
itemstack = CraftItemStack.asNMSCopy(event.getCursor());
switch (event.getResult()) {
- case ALLOW:
- // Plugin cleared the id / stacksize checks
- flag2 = true;
- break;
- case DEFAULT:
- break;
- case DENY:
- // Reset the slot
- if (packet.getSlotNum() >= 0) {
- this.player.connection.send(new ClientboundContainerSetSlotPacket(this.player.inventoryMenu.containerId, this.player.inventoryMenu.incrementStateId(), packet.getSlotNum(), this.player.inventoryMenu.getSlot(packet.getSlotNum()).getItem()));
- this.player.connection.send(new ClientboundContainerSetSlotPacket(-1, this.player.inventoryMenu.incrementStateId(), -1, ItemStack.EMPTY));
- }
- return;
+ case ALLOW:
+ // Plugin cleared the id / stacksize checks
+ flag2 = true;
+ break;
+ case DEFAULT:
+ break;
+ case DENY:
+ // Reset the slot
+ if (packet.getSlotNum() >= 0) {
+ this.player.connection.send(new ClientboundContainerSetSlotPacket(this.player.inventoryMenu.containerId, this.player.inventoryMenu.incrementStateId(), packet.getSlotNum(), this.player.inventoryMenu.getSlot(packet.getSlotNum()).getItem()));
+ this.player.connection.send(new ClientboundContainerSetSlotPacket(-1, this.player.inventoryMenu.incrementStateId(), -1, ItemStack.EMPTY));
+ }
+ return;
}
}
// CraftBukkit end
@@ -3516,7 +3548,7 @@ public class ServerGamePacketListenerImpl implements ServerPlayerConnection, Tic
} else if (!this.isSingleplayerOwner()) {
// Paper start - This needs to be handled on the main thread for plugins
server.submit(() -> {
- this.disconnect(Component.translatable("disconnect.timeout"), org.bukkit.event.player.PlayerKickEvent.Cause.TIMEOUT); // Paper - kick event cause
+ this.disconnect(Component.translatable("disconnect.timeout"), org.bukkit.event.player.PlayerKickEvent.Cause.TIMEOUT); // Paper - kick event cause
});
// Paper end
}