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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Owen1212055 <23108066+Owen1212055@users.noreply.github.com>
Date: Sat, 30 Dec 2023 15:00:06 -0500
Subject: [PATCH] Properly handle experience dropping on block break
This causes spawnAfterBreak to spawn xp by default, removing the need to manually add xp wherever this method is used.
For classes that use custom xp amounts, they can drop the resources with disabling
diff --git a/src/main/java/net/minecraft/world/level/Level.java b/src/main/java/net/minecraft/world/level/Level.java
index 5d675d4a5380c3a67e5a320cdb7bffe8a823d855..aa5437860c0471dcc0e6b01cb97e1cbadb752fab 100644
--- a/src/main/java/net/minecraft/world/level/Level.java
+++ b/src/main/java/net/minecraft/world/level/Level.java
@@ -630,7 +630,8 @@ public abstract class Level implements LevelAccessor, AutoCloseable {
if (drop) {
BlockEntity tileentity = iblockdata.hasBlockEntity() ? this.getBlockEntity(pos) : null;
- Block.dropResources(iblockdata, this, pos, tileentity, breakingEntity, ItemStack.EMPTY);
+ Block.dropResources(iblockdata, this, pos, tileentity, breakingEntity, ItemStack.EMPTY, false); // Paper - Properly handle xp dropping
+ iblockdata.getBlock().popExperience((ServerLevel) this, pos, xp, breakingEntity); // Paper - Properly handle xp dropping; custom amount
}
boolean flag1 = this.setBlock(pos, fluid.createLegacyBlock(), 3, maxUpdateDepth);
diff --git a/src/main/java/net/minecraft/world/level/block/Block.java b/src/main/java/net/minecraft/world/level/block/Block.java
index 660ede322b4f4ccad241820d8ffd4540ebb18fbc..63217d3db86b467f3358730eb8b9b3c941558bab 100644
--- a/src/main/java/net/minecraft/world/level/block/Block.java
+++ b/src/main/java/net/minecraft/world/level/block/Block.java
@@ -320,23 +320,31 @@ public class Block extends BlockBehaviour implements ItemLike {
for (net.minecraft.world.item.ItemStack drop : net.minecraft.world.level.block.Block.getDrops(state, world.getMinecraftWorld(), pos, blockEntity)) {
items.add(org.bukkit.craftbukkit.inventory.CraftItemStack.asBukkitCopy(drop));
}
+ Block block = state.getBlock(); // Paper - Properly handle xp dropping
io.papermc.paper.event.block.BlockBreakBlockEvent event = new io.papermc.paper.event.block.BlockBreakBlockEvent(org.bukkit.craftbukkit.block.CraftBlock.at(world, pos), org.bukkit.craftbukkit.block.CraftBlock.at(world, source), items);
+ event.setExpToDrop(block.getExpDrop(state, (ServerLevel) world, pos, net.minecraft.world.item.ItemStack.EMPTY, true)); // Paper - Properly handle xp dropping
event.callEvent();
for (var drop : event.getDrops()) {
popResource(world.getMinecraftWorld(), pos, org.bukkit.craftbukkit.inventory.CraftItemStack.asNMSCopy(drop));
}
- state.spawnAfterBreak(world.getMinecraftWorld(), pos, ItemStack.EMPTY, true);
+ state.spawnAfterBreak(world.getMinecraftWorld(), pos, ItemStack.EMPTY, false); // Paper - Properly handle xp dropping
+ block.popExperience((ServerLevel) world, pos, event.getExpToDrop()); // Paper - Properly handle xp dropping
}
return true;
}
// Paper end - Add BlockBreakBlockEvent
public static void dropResources(BlockState state, Level world, BlockPos pos, @Nullable BlockEntity blockEntity, @Nullable Entity entity, ItemStack tool) {
+ // Paper start - Properly handle xp dropping
+ dropResources(state, world, pos, blockEntity, entity, tool, true);
+ }
+ public static void dropResources(BlockState state, Level world, BlockPos pos, @Nullable BlockEntity blockEntity, @Nullable Entity entity, ItemStack tool, boolean dropExperience) {
+ // Paper end - Properly handle xp dropping
if (world instanceof ServerLevel) {
Block.getDrops(state, (ServerLevel) world, pos, blockEntity, entity, tool).forEach((itemstack1) -> {
Block.popResource(world, pos, itemstack1);
});
- state.spawnAfterBreak((ServerLevel) world, pos, tool, true);
+ state.spawnAfterBreak((ServerLevel) world, pos, tool, dropExperience); // Paper - Properly handle xp dropping
}
}
@@ -420,7 +428,7 @@ public class Block extends BlockBehaviour implements ItemLike {
player.awardStat(Stats.BLOCK_MINED.get(this));
player.causeFoodExhaustion(0.005F, org.bukkit.event.entity.EntityExhaustionEvent.ExhaustionReason.BLOCK_MINED); // CraftBukkit - EntityExhaustionEvent
if (includeDrops) { // Paper - fix drops not preventing stats/food exhaustion
- Block.dropResources(state, world, pos, blockEntity, player, tool);
+ Block.dropResources(state, world, pos, blockEntity, player, tool, dropExp); // Paper - Properly handle xp dropping
} // Paper - fix drops not preventing stats/food exhaustion
}
diff --git a/src/main/java/net/minecraft/world/level/block/state/BlockBehaviour.java b/src/main/java/net/minecraft/world/level/block/state/BlockBehaviour.java
index a274d0c3b4cceb2688a41ac1c3fbaa1a03704224..4c6ab71c3222ce03edd70abef35c71398d885c13 100644
--- a/src/main/java/net/minecraft/world/level/block/state/BlockBehaviour.java
+++ b/src/main/java/net/minecraft/world/level/block/state/BlockBehaviour.java
@@ -1197,6 +1197,7 @@ public abstract class BlockBehaviour implements FeatureElement {
public void spawnAfterBreak(ServerLevel world, BlockPos pos, ItemStack tool, boolean dropExperience) {
this.getBlock().spawnAfterBreak(this.asState(), world, pos, tool, dropExperience);
+ if (dropExperience) {getBlock().popExperience(world, pos, this.getBlock().getExpDrop(asState(), world, pos, tool, true));} // Paper - Properly handle xp dropping
}
public List<ItemStack> getDrops(LootParams.Builder builder) {
diff --git a/src/main/java/org/bukkit/craftbukkit/block/CraftBlock.java b/src/main/java/org/bukkit/craftbukkit/block/CraftBlock.java
index e5506a7d074a9f89d41f4d5d7549a458779bef20..4b42ef2a876ea210d948238e63fd7a2b7035bb5b 100644
--- a/src/main/java/org/bukkit/craftbukkit/block/CraftBlock.java
+++ b/src/main/java/org/bukkit/craftbukkit/block/CraftBlock.java
@@ -503,7 +503,7 @@ public class CraftBlock implements Block {
// Modelled off EntityHuman#hasBlock
if (block != Blocks.AIR && (item == null || !iblockdata.requiresCorrectToolForDrops() || nmsItem.isCorrectToolForDrops(iblockdata))) {
- net.minecraft.world.level.block.Block.dropResources(iblockdata, this.world.getMinecraftWorld(), this.position, this.world.getBlockEntity(this.position), null, nmsItem);
+ net.minecraft.world.level.block.Block.dropResources(iblockdata, this.world.getMinecraftWorld(), this.position, this.world.getBlockEntity(this.position), null, nmsItem, false); // Paper - Properly handle xp dropping
// Paper start - improve Block#breanNaturally
if (triggerEffect) {
if (iblockdata.getBlock() instanceof net.minecraft.world.level.block.BaseFireBlock) {
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