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Correct update cursor

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Spigot uses a no longer valid ClientboundContainerSetSlotPacket with the
slot -1, which would update the carried stack in versions <=1.21.1 but
now leads to an IOOB.
1.21.2 instead introduced the ClientboundSetCursorItemPacket, which this
patch uses instead.
This commit is contained in:
Bjarne Koll 2024-11-01 14:58:57 +01:00
parent b620df8e20
commit 66e1ce8504
1 changed files with 3 additions and 3 deletions
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6
paper-server/patches/sources/net/minecraft/server/network/ServerGamePacketListenerImpl.java.patch
View file

@ -2369,7 +2369,7 @@
+ case PLACE_SOME:
+ case PLACE_ONE:
+ case SWAP_WITH_CURSOR:
+ this.player.connection.send(new ClientboundContainerSetSlotPacket(-1, -1, this.player.inventoryMenu.incrementStateId(), this.player.containerMenu.getCarried()));
+ this.player.connection.send(new net.minecraft.network.protocol.game.ClientboundSetCursorItemPacket(this.player.containerMenu.getCarried().copy())); // Paper - correctly set cursor
+ this.player.connection.send(new ClientboundContainerSetSlotPacket(this.player.containerMenu.containerId, this.player.inventoryMenu.incrementStateId(), packet.getSlotNum(), this.player.containerMenu.getSlot(packet.getSlotNum()).getItem()));
+ break;
+ // Modified clicked only
@ -2381,7 +2381,7 @@
+ case DROP_ALL_CURSOR:
+ case DROP_ONE_CURSOR:
+ case CLONE_STACK:
+ this.player.connection.send(new ClientboundContainerSetSlotPacket(-1, -1, this.player.inventoryMenu.incrementStateId(), this.player.containerMenu.getCarried()));
+ this.player.connection.send(new net.minecraft.network.protocol.game.ClientboundSetCursorItemPacket(this.player.containerMenu.getCarried().copy())); // Paper - correctly set cursor
+ break;
+ // Nothing
+ case NOTHING:
@ -2502,7 +2502,7 @@
+ // Reset the slot
+ if (packet.slotNum() >= 0) {
+ this.player.connection.send(new ClientboundContainerSetSlotPacket(this.player.inventoryMenu.containerId, this.player.inventoryMenu.incrementStateId(), packet.slotNum(), this.player.inventoryMenu.getSlot(packet.slotNum()).getItem()));
+ this.player.connection.send(new ClientboundContainerSetSlotPacket(-1, this.player.inventoryMenu.incrementStateId(), -1, ItemStack.EMPTY));
+ this.player.connection.send(new net.minecraft.network.protocol.game.ClientboundSetCursorItemPacket(ItemStack.EMPTY.copy())); // Paper - correctly set cursor
+ }
+ return;
+ }