From 4e03b8f7b0604cf97fd09dd528b1b000d41d8145 Mon Sep 17 00:00:00 2001
From: William Blake Galbreath <blake.galbreath@gmail.com>
Date: Tue, 24 Aug 2021 16:49:11 -0500
Subject: [PATCH] Shift right click to use exp for mending

---
 ...t-right-click-to-use-exp-for-mending.patch | 69 +++++++++++++++++++
 1 file changed, 69 insertions(+)
 create mode 100644 patches/server/0257-Shift-right-click-to-use-exp-for-mending.patch

diff --git a/patches/server/0257-Shift-right-click-to-use-exp-for-mending.patch b/patches/server/0257-Shift-right-click-to-use-exp-for-mending.patch
new file mode 100644
index 0000000000..010daf7b0c
--- /dev/null
+++ b/patches/server/0257-Shift-right-click-to-use-exp-for-mending.patch
@@ -0,0 +1,69 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: William Blake Galbreath <blake.galbreath@gmail.com>
+Date: Tue, 24 Aug 2021 16:48:35 -0500
+Subject: [PATCH] Shift right click to use exp for mending
+
+
+diff --git a/src/main/java/net/minecraft/server/level/ServerPlayerGameMode.java b/src/main/java/net/minecraft/server/level/ServerPlayerGameMode.java
+index 38323c95dc36e5ead294670ce120114492de37d5..a4410485d8b1b8bfbbd72240f078ed5e3af0d0de 100644
+--- a/src/main/java/net/minecraft/server/level/ServerPlayerGameMode.java
++++ b/src/main/java/net/minecraft/server/level/ServerPlayerGameMode.java
+@@ -526,6 +526,7 @@ public class ServerPlayerGameMode {
+     public InteractionHand interactHand;
+     public ItemStack interactItemStack;
+     public InteractionResult useItemOn(ServerPlayer player, Level world, ItemStack stack, InteractionHand hand, BlockHitResult hitResult) {
++        if (shiftClickMended(stack)) return InteractionResult.SUCCESS; // Purpur
+         BlockPos blockposition = hitResult.getBlockPos();
+         BlockState iblockdata = world.getBlockState(blockposition);
+         InteractionResult enuminteractionresult = InteractionResult.PASS;
+@@ -619,4 +620,18 @@ public class ServerPlayerGameMode {
+     public void setLevel(ServerLevel world) {
+         this.level = world;
+     }
++
++    // Purpur start
++    public boolean shiftClickMended(ItemStack itemstack) {
++        if (this.player.level.purpurConfig.shiftRightClickRepairsMendingPoints > 0 && this.player.isShiftKeyDown()) {
++            int points = Math.min(this.player.totalExperience, this.player.level.purpurConfig.shiftRightClickRepairsMendingPoints);
++            if (points > 0 && itemstack.isDamaged() && net.minecraft.world.item.enchantment.EnchantmentHelper.getItemEnchantmentLevel(net.minecraft.world.item.enchantment.Enchantments.MENDING, itemstack) > 0) {
++                this.player.giveExperiencePoints(-points);
++                this.player.level.addFreshEntity(new net.minecraft.world.entity.ExperienceOrb(this.player.level, this.player.getX(), this.player.getY(), this.player.getZ(), points, org.bukkit.entity.ExperienceOrb.SpawnReason.UNKNOWN, this.player, this.player));
++                return true;
++            }
++        }
++        return false;
++    }
++    // Purpur end
+ }
+diff --git a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
+index 43d124818c4538bc0d84111dfab25c38aab249c1..67433627b69b81b5ddaa24600ab87de8999d962e 100644
+--- a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
++++ b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
+@@ -1902,6 +1902,7 @@ public class ServerGamePacketListenerImpl implements ServerPlayerConnection, Ser
+ 
+             boolean cancelled;
+             if (movingobjectposition == null || movingobjectposition.getType() != HitResult.Type.BLOCK) {
++                if (this.player.gameMode.shiftClickMended(itemstack)) return; // Purpur
+                 org.bukkit.event.player.PlayerInteractEvent event = CraftEventFactory.callPlayerInteractEvent(this.player, Action.RIGHT_CLICK_AIR, itemstack, enumhand);
+                 cancelled = event.useItemInHand() == Event.Result.DENY;
+             } else {
+diff --git a/src/main/java/net/pl3x/purpur/PurpurWorldConfig.java b/src/main/java/net/pl3x/purpur/PurpurWorldConfig.java
+index 5c8422a3022f2ac8723450b7566b9ac9a823931a..258bd55eb334d1e841e7ecbf77da985f5b7278c4 100644
+--- a/src/main/java/net/pl3x/purpur/PurpurWorldConfig.java
++++ b/src/main/java/net/pl3x/purpur/PurpurWorldConfig.java
+@@ -359,6 +359,7 @@ public class PurpurWorldConfig {
+     public boolean playerArmorSwappingCreativeMakesCopy = true;
+     public boolean playerRidableInWater = false;
+     public boolean playerRemoveBindingWithWeakness = false;
++    public int shiftRightClickRepairsMendingPoints = 0;
+     private void playerSettings() {
+         if (PurpurConfig.version < 19) {
+             boolean oldVal = getBoolean("gameplay-mechanics.player.idle-timeout.mods-target", idleTimeoutTargetPlayer);
+@@ -386,6 +387,7 @@ public class PurpurWorldConfig {
+         playerArmorSwappingCreativeMakesCopy = getBoolean("gameplay-mechanics.player.armor-click-equip.creative-makes-copy", playerArmorSwappingCreativeMakesCopy);
+         playerRidableInWater = getBoolean("gameplay-mechanics.player.ridable-in-water", playerRidableInWater);
+         playerRemoveBindingWithWeakness = getBoolean("gameplay-mechanics.player.curse-of-binding.remove-with-weakness", playerRemoveBindingWithWeakness);
++        shiftRightClickRepairsMendingPoints = getInt("gameplay-mechanics.player.shift-right-click-repairs-mending-points", shiftRightClickRepairsMendingPoints);
+     }
+ 
+     public int snowballDamage = -1;