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Fix villager trade offers

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Fixes #2919
This commit is contained in:
Nassim Jahnke 2022-06-08 10:07:47 +02:00
parent 66b21431f2
commit 7ab0c41be6
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GPG Key ID: 6BE3B555EBC5982B
3 changed files with 56 additions and 2 deletions
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2
bungee/src/main/java/com/viaversion/viaversion/BungeePlugin.java
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@ -56,7 +56,7 @@ public class BungeePlugin extends Plugin implements ViaPlatform<ProxiedPlayer>,
@Override @Override
public void onLoad() { public void onLoad() {
try { try {
ProtocolConstants.class.getField("MINECRAFT_1_18"); ProtocolConstants.class.getField("MINECRAFT_1_19");
} catch (NoSuchFieldException e) { } catch (NoSuchFieldException e) {
getLogger().warning(" / \\"); getLogger().warning(" / \\");
getLogger().warning(" / \\"); getLogger().warning(" / \\");

30
common/src/main/java/com/viaversion/viaversion/protocols/protocol1_19to1_18_2/packets/InventoryPackets.java
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@ -38,7 +38,6 @@ public final class InventoryPackets extends ItemRewriter<Protocol1_19To1_18_2> {
public void registerPackets() { public void registerPackets() {
registerSetCooldown(ClientboundPackets1_18.COOLDOWN); registerSetCooldown(ClientboundPackets1_18.COOLDOWN);
registerWindowItems1_17_1(ClientboundPackets1_18.WINDOW_ITEMS, Type.FLAT_VAR_INT_ITEM_ARRAY_VAR_INT, Type.FLAT_VAR_INT_ITEM); registerWindowItems1_17_1(ClientboundPackets1_18.WINDOW_ITEMS, Type.FLAT_VAR_INT_ITEM_ARRAY_VAR_INT, Type.FLAT_VAR_INT_ITEM);
registerTradeList(ClientboundPackets1_18.TRADE_LIST, Type.FLAT_VAR_INT_ITEM);
registerSetSlot1_17_1(ClientboundPackets1_18.SET_SLOT, Type.FLAT_VAR_INT_ITEM); registerSetSlot1_17_1(ClientboundPackets1_18.SET_SLOT, Type.FLAT_VAR_INT_ITEM);
registerAdvancements(ClientboundPackets1_18.ADVANCEMENTS, Type.FLAT_VAR_INT_ITEM); registerAdvancements(ClientboundPackets1_18.ADVANCEMENTS, Type.FLAT_VAR_INT_ITEM);
registerEntityEquipmentArray(ClientboundPackets1_18.ENTITY_EQUIPMENT, Type.FLAT_VAR_INT_ITEM); registerEntityEquipmentArray(ClientboundPackets1_18.ENTITY_EQUIPMENT, Type.FLAT_VAR_INT_ITEM);
@ -64,6 +63,35 @@ public final class InventoryPackets extends ItemRewriter<Protocol1_19To1_18_2> {
registerWindowPropertyEnchantmentHandler(ClientboundPackets1_18.WINDOW_PROPERTY); registerWindowPropertyEnchantmentHandler(ClientboundPackets1_18.WINDOW_PROPERTY);
protocol.registerClientbound(ClientboundPackets1_18.TRADE_LIST, new PacketRemapper() {
@Override
public void registerMap() {
map(Type.VAR_INT); // Container id
handler(wrapper -> {
final int size = wrapper.read(Type.UNSIGNED_BYTE);
wrapper.write(Type.VAR_INT, size);
for (int i = 0; i < size; i++) {
handleItemToClient(wrapper.passthrough(Type.FLAT_VAR_INT_ITEM)); // First item
handleItemToClient(wrapper.passthrough(Type.FLAT_VAR_INT_ITEM)); // Result
if (wrapper.read(Type.BOOLEAN)) {
handleItemToClient(wrapper.passthrough(Type.FLAT_VAR_INT_ITEM));
} else {
wrapper.write(Type.FLAT_VAR_INT_ITEM, null);
}
wrapper.passthrough(Type.BOOLEAN); // Out of stock
wrapper.passthrough(Type.INT); // Uses
wrapper.passthrough(Type.INT); // Max uses
wrapper.passthrough(Type.INT); // Xp
wrapper.passthrough(Type.INT); // Special price diff
wrapper.passthrough(Type.FLOAT); // Price multiplier
wrapper.passthrough(Type.INT); //Demand
}
});
}
});
protocol.registerServerbound(ServerboundPackets1_19.PLAYER_DIGGING, new PacketRemapper() { protocol.registerServerbound(ServerboundPackets1_19.PLAYER_DIGGING, new PacketRemapper() {
@Override @Override
public void registerMap() { public void registerMap() {

26
common/src/main/java/com/viaversion/viaversion/rewriter/ItemRewriter.java
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@ -240,6 +240,32 @@ public abstract class ItemRewriter<T extends Protocol> extends RewriterBase<T> i
}); });
} }
public void registerTradeList1_19(ClientboundPacketType packetType, Type<Item> type) {
protocol.registerClientbound(packetType, new PacketRemapper() {
@Override
public void registerMap() {
handler(wrapper -> {
wrapper.passthrough(Type.VAR_INT); // Container id
int size = wrapper.passthrough(Type.VAR_INT);
for (int i = 0; i < size; i++) {
handleItemToClient(wrapper.passthrough(type)); // Input
handleItemToClient(wrapper.passthrough(type)); // Output
handleItemToClient(wrapper.passthrough(type)); // Second Item
wrapper.passthrough(Type.BOOLEAN); // Trade disabled
wrapper.passthrough(Type.INT); // Number of tools uses
wrapper.passthrough(Type.INT); // Maximum number of trade uses
wrapper.passthrough(Type.INT); // XP
wrapper.passthrough(Type.INT); // Special price
wrapper.passthrough(Type.FLOAT); // Price multiplier
wrapper.passthrough(Type.INT); // Demand
}
});
}
});
}
public void registerAdvancements(ClientboundPacketType packetType, Type<Item> type) { public void registerAdvancements(ClientboundPacketType packetType, Type<Item> type) {
protocol.registerClientbound(packetType, new PacketRemapper() { protocol.registerClientbound(packetType, new PacketRemapper() {
@Override @Override