250 Zeilen
13 KiB
Diff
250 Zeilen
13 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Jake Potrebic <jake.m.potrebic@gmail.com>
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Date: Thu, 2 Jul 2020 16:12:10 -0700
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Subject: [PATCH] Add PlayerTradeEvent and PlayerPurchaseEvent
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Co-authored-by: Alexander <protonull@protonmail.com>
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diff --git a/src/main/java/net/minecraft/world/entity/npc/AbstractVillager.java b/src/main/java/net/minecraft/world/entity/npc/AbstractVillager.java
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index 742ffe531bb8f3a9ca34dea99b044123d90cfff9..ce0364b98204b64d43751fed260dcc1d9fe60649 100644
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--- a/src/main/java/net/minecraft/world/entity/npc/AbstractVillager.java
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+++ b/src/main/java/net/minecraft/world/entity/npc/AbstractVillager.java
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@@ -138,11 +138,24 @@ public abstract class AbstractVillager extends AgeableMob implements InventoryCa
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@Override
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public void overrideXp(int experience) {}
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+ // Paper start
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+ @Override
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+ public void processTrade(MerchantOffer recipe, io.papermc.paper.event.player.PlayerPurchaseEvent event) { // The MerchantRecipe passed in here is the one set by the PlayerPurchaseEvent
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+ if (event.willIncreaseTradeUses()) {
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+ recipe.increaseUses();
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+ }
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+ if (event.isRewardingExp()) {
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+ this.rewardTradeXp(recipe);
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+ }
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+ this.notifyTrade(recipe);
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+ }
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+ // Paper end
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+
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@Override
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public void notifyTrade(MerchantOffer offer) {
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- offer.increaseUses();
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+ // offer.increaseUses(); // Paper - handled in processTrade
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this.ambientSoundTime = -this.getAmbientSoundInterval();
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- this.rewardTradeXp(offer);
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+ // this.rewardTradeXp(offer); // Paper - handled in processTrade
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if (this.tradingPlayer instanceof ServerPlayer) {
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CriteriaTriggers.TRADE.trigger((ServerPlayer) this.tradingPlayer, this, offer.getResult());
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}
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diff --git a/src/main/java/net/minecraft/world/inventory/AbstractContainerMenu.java b/src/main/java/net/minecraft/world/inventory/AbstractContainerMenu.java
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index 36834f30ccefd229df4da2dbc7b22edcb83429c3..49ac1e922c0c3b38ed48adda46870e1fc0fb09dc 100644
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--- a/src/main/java/net/minecraft/world/inventory/AbstractContainerMenu.java
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+++ b/src/main/java/net/minecraft/world/inventory/AbstractContainerMenu.java
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@@ -741,6 +741,14 @@ public abstract class AbstractContainerMenu {
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public abstract boolean stillValid(Player player);
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protected boolean moveItemStackTo(ItemStack stack, int startIndex, int endIndex, boolean fromLast) {
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+ // Paper start
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+ return this.moveItemStackTo(stack, startIndex, endIndex, fromLast, false);
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+ }
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+ protected boolean moveItemStackTo(ItemStack stack, int startIndex, int endIndex, boolean fromLast, boolean isCheck) {
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+ if (isCheck) {
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+ stack = stack.copy();
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+ }
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+ // Paper end
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boolean flag1 = false;
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int k = startIndex;
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@@ -763,18 +771,27 @@ public abstract class AbstractContainerMenu {
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slot = (Slot) this.slots.get(k);
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itemstack1 = slot.getItem();
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+ // Paper start - clone if only a check
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+ if (isCheck) {
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+ itemstack1 = itemstack1.copy();
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+ }
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+ // Paper end
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if (!itemstack1.isEmpty() && ItemStack.isSameItemSameTags(stack, itemstack1)) {
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int l = itemstack1.getCount() + stack.getCount();
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if (l <= stack.getMaxStackSize()) {
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stack.setCount(0);
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itemstack1.setCount(l);
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+ if (!isCheck) { // Paper - dont update if only a check
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slot.setChanged();
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+ } // Paper
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flag1 = true;
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} else if (itemstack1.getCount() < stack.getMaxStackSize()) {
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stack.shrink(stack.getMaxStackSize() - itemstack1.getCount());
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itemstack1.setCount(stack.getMaxStackSize());
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+ if (!isCheck) { // Paper - dont update if only a check
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slot.setChanged();
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+ } // Paper
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flag1 = true;
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}
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}
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@@ -805,14 +822,33 @@ public abstract class AbstractContainerMenu {
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slot = (Slot) this.slots.get(k);
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itemstack1 = slot.getItem();
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+ // Paper start - clone if only a check
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+ if (isCheck) {
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+ itemstack1 = itemstack1.copy();
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+ }
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+ // Paper end
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if (itemstack1.isEmpty() && slot.mayPlace(stack)) {
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if (stack.getCount() > slot.getMaxStackSize()) {
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+ // Paper start - dont set slot if only check
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+ if (isCheck) {
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+ stack.shrink(slot.getMaxStackSize());
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+ } else {
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+ // Paper end
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slot.set(stack.split(slot.getMaxStackSize()));
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+ } // Paper
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} else {
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+ // Paper start - dont set slot if only check
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+ if (isCheck) {
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+ stack.shrink(stack.getCount());
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+ } else {
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+ // Paper end
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slot.set(stack.split(stack.getCount()));
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+ } // Paper
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}
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+ if (!isCheck) { // Paper - dont update if only check
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slot.setChanged();
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+ } // Paper
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flag1 = true;
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break;
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}
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diff --git a/src/main/java/net/minecraft/world/inventory/MerchantMenu.java b/src/main/java/net/minecraft/world/inventory/MerchantMenu.java
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index 589527215b10aa848a079b964e748c8c2e6137a1..a6e036165ce1a387195cf3db190a42c5d8249b95 100644
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--- a/src/main/java/net/minecraft/world/inventory/MerchantMenu.java
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+++ b/src/main/java/net/minecraft/world/inventory/MerchantMenu.java
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@@ -134,12 +134,12 @@ public class MerchantMenu extends AbstractContainerMenu {
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itemstack = itemstack1.copy();
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if (index == 2) {
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- if (!this.moveItemStackTo(itemstack1, 3, 39, true)) {
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+ if (!this.moveItemStackTo(itemstack1, 3, 39, true, true)) { // Paper
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return ItemStack.EMPTY;
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}
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- slot.onQuickCraft(itemstack1, itemstack);
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- this.playTradeSound();
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+ // slot.onQuickCraft(itemstack1, itemstack); // Paper - moved to after the non-check moveItemStackTo call
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+ // this.playTradeSound();
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} else if (index != 0 && index != 1) {
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if (index >= 3 && index < 30) {
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if (!this.moveItemStackTo(itemstack1, 30, 39, false)) {
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@@ -152,6 +152,7 @@ public class MerchantMenu extends AbstractContainerMenu {
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return ItemStack.EMPTY;
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}
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+ if (index != 2) { // Paper - moved down for slot 2
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if (itemstack1.isEmpty()) {
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slot.set(ItemStack.EMPTY);
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} else {
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@@ -163,6 +164,21 @@ public class MerchantMenu extends AbstractContainerMenu {
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}
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slot.onTake(player, itemstack1);
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+ } // Paper start - handle slot 2
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+ if (index == 2) { // is merchant result slot
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+ slot.onTake(player, itemstack1);
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+ if (itemstack1.isEmpty()) {
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+ slot.set(ItemStack.EMPTY);
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+ return ItemStack.EMPTY;
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+ }
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+
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+ this.moveItemStackTo(itemstack1, 3, 39, true, false); // This should always succeed because it's checked above
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+
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+ slot.onQuickCraft(itemstack1, itemstack);
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+ this.playTradeSound();
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+ slot.set(ItemStack.EMPTY); // itemstack1 should ALWAYS be empty
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+ }
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+ // Paper end
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}
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return itemstack;
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diff --git a/src/main/java/net/minecraft/world/inventory/MerchantResultSlot.java b/src/main/java/net/minecraft/world/inventory/MerchantResultSlot.java
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index 74b28315197b81f80334ae6023113904e4fac4c3..9e65c9535e01b3c858050a7881aff3f99edbeaac 100644
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--- a/src/main/java/net/minecraft/world/inventory/MerchantResultSlot.java
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+++ b/src/main/java/net/minecraft/world/inventory/MerchantResultSlot.java
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@@ -47,13 +47,30 @@ public class MerchantResultSlot extends Slot {
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@Override
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public void onTake(Player player, ItemStack stack) {
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- this.checkTakeAchievements(stack);
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+ // this.checkTakeAchievements(stack); // Paper - move to after event is called and not cancelled
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MerchantOffer merchantOffer = this.slots.getActiveOffer();
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+ // Paper start
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+ io.papermc.paper.event.player.PlayerPurchaseEvent event = null;
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+ if (this.merchant instanceof net.minecraft.world.entity.npc.AbstractVillager && this.merchant.getTradingPlayer().getBukkitEntity() instanceof org.bukkit.entity.Player) {
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+ 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);
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+ } else if (this.merchant instanceof org.bukkit.craftbukkit.inventory.CraftMerchantCustom.MinecraftMerchant && this.merchant.getTradingPlayer().getBukkitEntity() instanceof org.bukkit.entity.Player) {
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+ event = new io.papermc.paper.event.player.PlayerPurchaseEvent((org.bukkit.entity.Player) this.merchant.getTradingPlayer().getBukkitEntity(), merchantOffer.asBukkit(), false, true);
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+ }
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+ if (event != null) {
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+ if (!event.callEvent()) {
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+ stack.setCount(0);
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+ event.getPlayer().updateInventory();
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+ return;
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+ }
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+ merchantOffer = org.bukkit.craftbukkit.inventory.CraftMerchantRecipe.fromBukkit(event.getTrade()).toMinecraft();
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+ }
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+ this.checkTakeAchievements(stack);
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+ // Paper end
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if (merchantOffer != null) {
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ItemStack itemStack = this.slots.getItem(0);
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ItemStack itemStack2 = this.slots.getItem(1);
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if (merchantOffer.take(itemStack, itemStack2) || merchantOffer.take(itemStack2, itemStack)) {
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- this.merchant.notifyTrade(merchantOffer);
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+ this.merchant.processTrade(merchantOffer, event); // Paper
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player.awardStat(Stats.TRADED_WITH_VILLAGER);
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this.slots.setItem(0, itemStack);
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this.slots.setItem(1, itemStack2);
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diff --git a/src/main/java/net/minecraft/world/item/trading/Merchant.java b/src/main/java/net/minecraft/world/item/trading/Merchant.java
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index d41f44ed2e497ba3373d170c08488b49e88334c4..5eb54fb8e668e3ae053e33358e5b19e87330a02d 100644
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--- a/src/main/java/net/minecraft/world/item/trading/Merchant.java
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+++ b/src/main/java/net/minecraft/world/item/trading/Merchant.java
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@@ -20,6 +20,7 @@ public interface Merchant {
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void overrideOffers(MerchantOffers offers);
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+ default void processTrade(MerchantOffer merchantRecipe, io.papermc.paper.event.player.PlayerPurchaseEvent event) { this.notifyTrade(merchantRecipe); } // Paper
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void notifyTrade(MerchantOffer offer);
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void notifyTradeUpdated(ItemStack stack);
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diff --git a/src/main/java/org/bukkit/craftbukkit/inventory/CraftMerchantCustom.java b/src/main/java/org/bukkit/craftbukkit/inventory/CraftMerchantCustom.java
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index 552851cff3678d605428866999951fefd4375d7a..1854d933c90c3ec4b39bdb5c3c177890d9865a1c 100644
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--- a/src/main/java/org/bukkit/craftbukkit/inventory/CraftMerchantCustom.java
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+++ b/src/main/java/org/bukkit/craftbukkit/inventory/CraftMerchantCustom.java
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@@ -79,10 +79,25 @@ public class CraftMerchantCustom extends CraftMerchant {
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return this.trades;
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}
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+ // Paper start
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+ @Override
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+ public void processTrade(MerchantOffer merchantRecipe, io.papermc.paper.event.player.PlayerPurchaseEvent event) { // The MerchantRecipe passed in here is the one set by the PlayerPurchaseEvent
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+ /** Based on {@link net.minecraft.world.entity.npc.AbstractVillager#processTrade(MerchantOffer, io.papermc.paper.event.player.PlayerPurchaseEvent)} */
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+ if (getTradingPlayer() instanceof net.minecraft.server.level.ServerPlayer) {
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+ if (event.willIncreaseTradeUses()) {
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+ merchantRecipe.increaseUses();
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+ }
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+ if (event.isRewardingExp()) {
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+ this.tradingWorld.addFreshEntity(new net.minecraft.world.entity.ExperienceOrb(tradingWorld, tradingPlayer.getX(), tradingPlayer.getY(), tradingPlayer.getZ(), merchantRecipe.getXp(), org.bukkit.entity.ExperienceOrb.SpawnReason.VILLAGER_TRADE, this.tradingPlayer, null));
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+ }
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+ }
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+ this.notifyTrade(merchantRecipe);
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+ }
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+ // Paper end
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@Override
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public void notifyTrade(MerchantOffer offer) {
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// increase recipe's uses
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- offer.increaseUses();
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+ // offer.increaseUses(); // Paper - handled above in processTrade
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}
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@Override
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