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Fix trader merchants NPE when interacting with a merchant with non-active trades

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Dieser Commit ist enthalten in:
Shane Freeder 2021-12-05 03:00:10 +00:00
Ursprung 76ee105811
Commit 52f95706d2
Es konnte kein GPG-Schlüssel zu dieser Signatur gefunden werden
GPG-Schlüssel-ID: A3F61EA5A085289C
1 geänderte Dateien mit 18 neuen und 13 gelöschten Zeilen
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31
patches/server/0555-Add-PlayerTradeEvent-and-PlayerPurchaseEvent.patch
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@ -168,10 +168,10 @@ index 589527215b10aa848a079b964e748c8c2e6137a1..a6e036165ce1a387195cf3db190a42c5
return itemstack;
diff --git a/src/main/java/net/minecraft/world/inventory/MerchantResultSlot.java b/src/main/java/net/minecraft/world/inventory/MerchantResultSlot.java
index 74b28315197b81f80334ae6023113904e4fac4c3..9e65c9535e01b3c858050a7881aff3f99edbeaac 100644
index 74b28315197b81f80334ae6023113904e4fac4c3..1fb70ac171788d099e220b83421958976281f127 100644
--- a/src/main/java/net/minecraft/world/inventory/MerchantResultSlot.java
+++ b/src/main/java/net/minecraft/world/inventory/MerchantResultSlot.java
@@ -47,13 +47,30 @@ public class MerchantResultSlot extends Slot {
@@ -47,13 +47,35 @@ public class MerchantResultSlot extends Slot {
@Override
public void onTake(Player player, ItemStack stack) {
@ -180,20 +180,25 @@ index 74b28315197b81f80334ae6023113904e4fac4c3..9e65c9535e01b3c858050a7881aff3f9
MerchantOffer merchantOffer = this.slots.getActiveOffer();
+ // Paper start
+ io.papermc.paper.event.player.PlayerPurchaseEvent event = null;
+ if (this.merchant instanceof net.minecraft.world.entity.npc.AbstractVillager && this.merchant.getTradingPlayer().getBukkitEntity() instanceof org.bukkit.entity.Player) {
+ event = new io.papermc.paper.event.player.PlayerTradeEvent((org.bukkit.entity.Player) this.merchant.getTradingPlayer().getBukkitEntity(), (org.bukkit.entity.AbstractVillager) ((net.minecraft.world.entity.npc.AbstractVillager) this.merchant).getBukkitEntity(), merchantOffer.asBukkit(), true, true);
+ } else if (this.merchant instanceof org.bukkit.craftbukkit.inventory.CraftMerchantCustom.MinecraftMerchant && this.merchant.getTradingPlayer().getBukkitEntity() instanceof org.bukkit.entity.Player) {
+ event = new io.papermc.paper.event.player.PlayerPurchaseEvent((org.bukkit.entity.Player) this.merchant.getTradingPlayer().getBukkitEntity(), merchantOffer.asBukkit(), false, true);
+ }
+ if (event != null) {
+ if (!event.callEvent()) {
+ stack.setCount(0);
+ event.getPlayer().updateInventory();
+ if (merchantOffer != null) {
+ if (this.merchant instanceof net.minecraft.world.entity.npc.AbstractVillager && this.merchant.getTradingPlayer().getBukkitEntity() instanceof org.bukkit.entity.Player) {
+ event = new io.papermc.paper.event.player.PlayerTradeEvent((org.bukkit.entity.Player) this.merchant.getTradingPlayer().getBukkitEntity(), (org.bukkit.entity.AbstractVillager) ((net.minecraft.world.entity.npc.AbstractVillager) this.merchant).getBukkitEntity(), merchantOffer.asBukkit(), true, true);
+ } else if (this.merchant instanceof org.bukkit.craftbukkit.inventory.CraftMerchantCustom.MinecraftMerchant && this.merchant.getTradingPlayer().getBukkitEntity() instanceof org.bukkit.entity.Player) {
+ event = new io.papermc.paper.event.player.PlayerPurchaseEvent((org.bukkit.entity.Player) this.merchant.getTradingPlayer().getBukkitEntity(), merchantOffer.asBukkit(), false, true);
+ }
+ if (event != null) {
+ if (!event.callEvent()) {
+ stack.setCount(0);
+ event.getPlayer().updateInventory();
+ return;
+ }
+ merchantOffer = org.bukkit.craftbukkit.inventory.CraftMerchantRecipe.fromBukkit(event.getTrade()).toMinecraft();
+ } else {
+ // TODO: Check this, I don't see how this would be hit and the logic below should be fired, warn for missing cases?
+ return;
+ }
+ merchantOffer = org.bukkit.craftbukkit.inventory.CraftMerchantRecipe.fromBukkit(event.getTrade()).toMinecraft();
+ this.checkTakeAchievements(stack);
+ }
+ this.checkTakeAchievements(stack);
+ // Paper end
if (merchantOffer != null) {
ItemStack itemStack = this.slots.getItem(0);