241 Zeilen
14 KiB
Diff
241 Zeilen
14 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 5ea56c6048a356d84472ef0e744af41fe063ccc7..3c037cabd8331eb96a6523b37abab4e73ab79a02 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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@@ -141,11 +141,24 @@ 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 - Add PlayerTradeEvent and PlayerPurchaseEvent
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+ @Override
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+ public void processTrade(MerchantOffer recipe, @Nullable 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 == null || event.willIncreaseTradeUses()) {
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+ recipe.increaseUses();
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+ }
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+ if (event == null || 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 - Add PlayerTradeEvent and PlayerPurchaseEvent
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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 - Add PlayerTradeEvent and PlayerPurchaseEvent
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this.ambientSoundTime = -this.getAmbientSoundInterval();
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- this.rewardTradeXp(offer);
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+ // this.rewardTradeXp(offer); // Paper - Add PlayerTradeEvent and PlayerPurchaseEvent
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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 85caec29a705f216eff8a5ae11f250697891a05c..78d0ff45c016e900d87010e8b26b0bb10e63f445 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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@@ -831,6 +831,14 @@ 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 - Add PlayerTradeEvent and PlayerPurchaseEvent
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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 - Add PlayerTradeEvent and PlayerPurchaseEvent
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boolean flag1 = false;
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int k = startIndex;
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@@ -854,6 +862,11 @@ 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 - Add PlayerTradeEvent and PlayerPurchaseEvent; 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 - Add PlayerTradeEvent and PlayerPurchaseEvent
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if (!itemstack1.isEmpty() && ItemStack.isSameItemSameComponents(stack, itemstack1)) {
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l = itemstack1.getCount() + stack.getCount();
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int i1 = slot.getMaxStackSize(itemstack1);
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@@ -861,12 +874,16 @@ public abstract class AbstractContainerMenu {
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if (l <= i1) {
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stack.setCount(0);
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itemstack1.setCount(l);
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+ if (!isCheck) { // Paper - Add PlayerTradeEvent and PlayerPurchaseEvent
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slot.setChanged();
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+ } // Paper - Add PlayerTradeEvent and PlayerPurchaseEvent
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flag1 = true;
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} else if (itemstack1.getCount() < i1) {
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stack.shrink(i1 - itemstack1.getCount());
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itemstack1.setCount(i1);
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+ if (!isCheck) { // Paper - Add PlayerTradeEvent and PlayerPurchaseEvent
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slot.setChanged();
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+ } // Paper - Add PlayerTradeEvent and PlayerPurchaseEvent
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flag1 = true;
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}
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}
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@@ -897,10 +914,21 @@ 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 - Add PlayerTradeEvent and PlayerPurchaseEvent
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+ if (isCheck) {
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+ itemstack1 = itemstack1.copy();
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+ }
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+ // Paper end - Add PlayerTradeEvent and PlayerPurchaseEvent
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if (itemstack1.isEmpty() && slot.mayPlace(stack)) {
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l = slot.getMaxStackSize(stack);
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+ // Paper start - Add PlayerTradeEvent and PlayerPurchaseEvent
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+ if (isCheck) {
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+ stack.shrink(Math.min(stack.getCount(), l));
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+ } else {
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+ // Paper end - Add PlayerTradeEvent and PlayerPurchaseEvent
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slot.setByPlayer(stack.split(Math.min(stack.getCount(), l)));
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slot.setChanged();
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+ } // Paper - Add PlayerTradeEvent and PlayerPurchaseEvent
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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 5c1f2496f3d4123f6e69239820dd759db0af420e..54c43acb3c401a9b616f4d1b871d7c4d5660f455 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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@@ -123,12 +123,12 @@ public class MerchantMenu extends AbstractContainerMenu {
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itemstack = itemstack1.copy();
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if (slot == 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 - Add PlayerTradeEvent and PlayerPurchaseEvent
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return ItemStack.EMPTY;
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}
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- slot1.onQuickCraft(itemstack1, itemstack);
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- this.playTradeSound();
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+ // slot1.onQuickCraft(itemstack1, itemstack); // Paper - Add PlayerTradeEvent and PlayerPurchaseEvent; moved to after the non-check moveItemStackTo call
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+ // this.playTradeSound();
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} else if (slot != 0 && slot != 1) {
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if (slot >= 3 && slot < 30) {
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if (!this.moveItemStackTo(itemstack1, 30, 39, false)) {
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@@ -141,6 +141,7 @@ public class MerchantMenu extends AbstractContainerMenu {
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return ItemStack.EMPTY;
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}
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+ if (slot != 2) { // Paper - Add PlayerTradeEvent and PlayerPurchaseEvent; moved down for slot 2
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if (itemstack1.isEmpty()) {
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slot1.setByPlayer(ItemStack.EMPTY);
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} else {
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@@ -152,6 +153,21 @@ public class MerchantMenu extends AbstractContainerMenu {
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}
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slot1.onTake(player, itemstack1);
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+ } // Paper start - Add PlayerTradeEvent and PlayerPurchaseEvent; handle slot 2
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+ if (slot == 2) { // is merchant result slot
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+ slot1.onTake(player, itemstack1);
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+ if (itemstack1.isEmpty()) {
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+ slot1.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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+ slot1.onQuickCraft(itemstack1, itemstack);
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+ this.playTradeSound();
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+ slot1.set(ItemStack.EMPTY); // itemstack1 should ALWAYS be empty
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+ }
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+ // Paper end - Add PlayerTradeEvent and PlayerPurchaseEvent
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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 26227033613a641a9d5a6f29356b19e54753b3f1..c2376538215604210d08acd33e8e5fdc8a35c7d3 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 +47,32 @@ 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 - Add PlayerTradeEvent and PlayerPurchaseEvent; move to after event is called and not cancelled
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MerchantOffer merchantOffer = this.slots.getActiveOffer();
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+ // Paper start - Add PlayerTradeEvent and PlayerPurchaseEvent
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+ io.papermc.paper.event.player.PlayerPurchaseEvent event = null;
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+ if (merchantOffer != null && player instanceof net.minecraft.server.level.ServerPlayer serverPlayer) {
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+ if (this.merchant instanceof net.minecraft.world.entity.npc.AbstractVillager abstractVillager) {
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+ event = new io.papermc.paper.event.player.PlayerTradeEvent(serverPlayer.getBukkitEntity(), (org.bukkit.entity.AbstractVillager) abstractVillager.getBukkitEntity(), merchantOffer.asBukkit(), true, true);
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+ } else if (this.merchant instanceof org.bukkit.craftbukkit.inventory.CraftMerchantCustom.MinecraftMerchant) {
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+ event = new io.papermc.paper.event.player.PlayerPurchaseEvent(serverPlayer.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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+ }
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+ this.checkTakeAchievements(stack);
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+ // Paper end - Add PlayerTradeEvent and PlayerPurchaseEvent
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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 - Add PlayerTradeEvent and PlayerPurchaseEvent
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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 8666eb566797daa1fbb33775210e638bbcbc5e24..b67eadc1c3710ddf4e8ac6e184dd8c63d1fefeea 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, @Nullable 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 06b3004fa4f3e89d6eb19d545afe548bfd565e06..d9f9d4abaec00335abe80de26419aef676b0b076 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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@@ -76,10 +76,25 @@ public class CraftMerchantCustom implements CraftMerchant {
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return this.trades;
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}
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+ // Paper start - Add PlayerTradeEvent and PlayerPurchaseEvent
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+ @Override
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+ public void processTrade(MerchantOffer merchantRecipe, @javax.annotation.Nullable 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 == null || event.willIncreaseTradeUses()) {
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+ merchantRecipe.increaseUses();
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+ }
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+ if (event == null || event.isRewardingExp()) {
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+ this.tradingPlayer.level().addFreshEntity(new net.minecraft.world.entity.ExperienceOrb(this.tradingPlayer.level(), this.tradingPlayer.getX(), this.tradingPlayer.getY(), this.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 - Add PlayerTradeEvent and PlayerPurchaseEvent
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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 - Add PlayerTradeEvent and PlayerPurchaseEvent; handled above in processTrade
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}
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@Override
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