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Purpur/patches/server/0024-Silk-touch-spawners.patch
granny fc79bca3c5 stop mobs from targeting afk players (#564) 
Co-authored-by: Encode42 <me@encode42.dev>
2021-08-08 18:32:27 -07:00

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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: William Blake Galbreath <blake.galbreath@gmail.com>
Date: Thu, 9 May 2019 14:27:37 -0500
Subject: [PATCH] Silk touch spawners
diff --git a/src/main/java/io/papermc/paper/adventure/PaperAdventure.java b/src/main/java/io/papermc/paper/adventure/PaperAdventure.java
index f63b80a1120b2bf5f77f1c1edb928309a1272f79..363f94e86e3349d9ed03b692e136307fe9fa5e28 100644
--- a/src/main/java/io/papermc/paper/adventure/PaperAdventure.java
+++ b/src/main/java/io/papermc/paper/adventure/PaperAdventure.java
@@ -80,6 +80,7 @@ public final class PaperAdventure {
})
.build();
public static final LegacyComponentSerializer LEGACY_SECTION_UXRC = LegacyComponentSerializer.builder().flattener(FLATTENER).hexColors().useUnusualXRepeatedCharacterHexFormat().build();
+ public static final LegacyComponentSerializer LEGACY_AMPERSAND = LegacyComponentSerializer.builder().character(LegacyComponentSerializer.AMPERSAND_CHAR).hexColors().build(); // Purpur
public static final PlainComponentSerializer PLAIN = PlainComponentSerializer.builder().flattener(FLATTENER).build();
public static final GsonComponentSerializer GSON = GsonComponentSerializer.builder()
.legacyHoverEventSerializer(NBTLegacyHoverEventSerializer.INSTANCE)
diff --git a/src/main/java/net/minecraft/world/item/Items.java b/src/main/java/net/minecraft/world/item/Items.java
index f68639508d7ff9a0e743b5282301e62435d53656..89d4b7e4cd4222b61b49833fceda56ffa39710fa 100644
--- a/src/main/java/net/minecraft/world/item/Items.java
+++ b/src/main/java/net/minecraft/world/item/Items.java
@@ -258,7 +258,7 @@ public class Items {
public static final Item PURPUR_BLOCK = registerBlock(Blocks.PURPUR_BLOCK, CreativeModeTab.TAB_BUILDING_BLOCKS);
public static final Item PURPUR_PILLAR = registerBlock(Blocks.PURPUR_PILLAR, CreativeModeTab.TAB_BUILDING_BLOCKS);
public static final Item PURPUR_STAIRS = registerBlock(Blocks.PURPUR_STAIRS, CreativeModeTab.TAB_BUILDING_BLOCKS);
- public static final Item SPAWNER = registerBlock(new BlockItem(Blocks.SPAWNER, (new Item.Properties()).rarity(Rarity.EPIC)));
+ public static final Item SPAWNER = registerBlock(Blocks.SPAWNER, new net.pl3x.purpur.item.SpawnerItem(Blocks.SPAWNER, new Item.Properties().rarity(Rarity.EPIC))); // Purpur
public static final Item OAK_STAIRS = registerBlock(Blocks.OAK_STAIRS, CreativeModeTab.TAB_BUILDING_BLOCKS);
public static final Item CHEST = registerBlock(Blocks.CHEST, CreativeModeTab.TAB_DECORATIONS);
public static final Item CRAFTING_TABLE = registerBlock(Blocks.CRAFTING_TABLE, CreativeModeTab.TAB_DECORATIONS);
diff --git a/src/main/java/net/minecraft/world/level/block/SpawnerBlock.java b/src/main/java/net/minecraft/world/level/block/SpawnerBlock.java
index b1e04d41de80971a7a1616beb0860226ecc25045..295ae3877b955978105b756055c21e63cf3b84ab 100644
--- a/src/main/java/net/minecraft/world/level/block/SpawnerBlock.java
+++ b/src/main/java/net/minecraft/world/level/block/SpawnerBlock.java
@@ -2,8 +2,16 @@ package net.minecraft.world.level.block;
import javax.annotation.Nullable;
import net.minecraft.core.BlockPos;
+import net.minecraft.nbt.CompoundTag;
+import net.minecraft.nbt.ListTag;
+import net.minecraft.nbt.StringTag;
+import net.minecraft.resources.ResourceLocation;
import net.minecraft.server.level.ServerLevel;
+import net.minecraft.world.entity.EntityType;
+import net.minecraft.world.entity.player.Player;
import net.minecraft.world.item.ItemStack;
+import net.minecraft.world.item.enchantment.EnchantmentHelper;
+import net.minecraft.world.item.enchantment.Enchantments;
import net.minecraft.world.level.BlockGetter;
import net.minecraft.world.level.Level;
import net.minecraft.world.level.block.entity.BlockEntity;
@@ -13,6 +21,18 @@ import net.minecraft.world.level.block.entity.SpawnerBlockEntity;
import net.minecraft.world.level.block.state.BlockBehaviour;
import net.minecraft.world.level.block.state.BlockState;
+// Purpur start
+import io.papermc.paper.adventure.PaperAdventure;
+import net.kyori.adventure.text.Component;
+import net.kyori.adventure.text.TextReplacementConfig;
+import net.kyori.adventure.text.serializer.gson.GsonComponentSerializer;
+import net.kyori.adventure.text.serializer.legacy.LegacyComponentSerializer;
+
+import java.util.List;
+
+import static net.kyori.adventure.text.format.TextDecoration.ITALIC;
+// Purpur end
+
public class SpawnerBlock extends BaseEntityBlock {
protected SpawnerBlock(BlockBehaviour.Properties settings) {
@@ -30,6 +50,59 @@ public class SpawnerBlock extends BaseEntityBlock {
return createTickerHelper(type, BlockEntityType.MOB_SPAWNER, world.isClientSide ? SpawnerBlockEntity::clientTick : SpawnerBlockEntity::serverTick);
}
+ // Purpur start
+ @Override
+ public void playerDestroy(Level level, Player player, BlockPos pos, BlockState state, BlockEntity blockEntity, ItemStack stack) {
+ if (level.purpurConfig.silkTouchEnabled && player.getBukkitEntity().hasPermission("purpur.drop.spawners") && isSilkTouch(level, stack)) {
+ ResourceLocation type = ((SpawnerBlockEntity) blockEntity).getSpawner().getEntityId(level, pos);
+ if (type != null) {
+ final Component mobName = PaperAdventure.asAdventure(EntityType.getFromKey(type).getDescription());
+ final TextReplacementConfig config = TextReplacementConfig.builder()
+ .matchLiteral("{mob}")
+ .replacement(mobName)
+ .build();
+
+ CompoundTag display = new CompoundTag();
+ boolean customDisplay = false;
+
+ String name = level.purpurConfig.silkTouchSpawnerName;
+ if (name != null && !name.isEmpty() && !name.equals("Spawner")) {
+ final Component displayName = PaperAdventure.LEGACY_AMPERSAND.deserialize(name).replaceText(config).decoration(ITALIC, false);
+ display.put("Name", StringTag.valueOf(GsonComponentSerializer.gson().serialize(displayName)));
+ customDisplay = true;
+ }
+
+ List<String> lore = level.purpurConfig.silkTouchSpawnerLore;
+ if (lore != null && !lore.isEmpty()) {
+ ListTag list = new ListTag();
+ for (String line : lore) {
+ final Component lineComponent = PaperAdventure.LEGACY_AMPERSAND.deserialize(line).replaceText(config).decoration(ITALIC, false);
+ list.add(StringTag.valueOf(GsonComponentSerializer.gson().serialize(lineComponent)));
+ }
+ display.put("Lore", list);
+ customDisplay = true;
+ }
+
+ CompoundTag tag = new CompoundTag();
+ if (customDisplay) {
+ tag.put("display", display);
+ }
+ tag.putString("Purpur.mob_type", type.toString());
+
+ ItemStack item = new ItemStack(Blocks.SPAWNER.asItem());
+ item.setTag(tag);
+
+ popResource(level, pos, item);
+ }
+ }
+ super.playerDestroy(level, player, pos, state, blockEntity, stack);
+ }
+
+ private boolean isSilkTouch(Level level, ItemStack stack) {
+ return stack != null && level.purpurConfig.silkTouchTools.contains(stack.getItem()) && EnchantmentHelper.getItemEnchantmentLevel(Enchantments.SILK_TOUCH, stack) >= level.purpurConfig.minimumSilkTouchSpawnerRequire;
+ }
+ // Purpur end
+
@Override
public void spawnAfterBreak(BlockState state, ServerLevel world, BlockPos pos, ItemStack stack) {
super.spawnAfterBreak(state, world, pos, stack);
@@ -42,6 +115,7 @@ public class SpawnerBlock extends BaseEntityBlock {
@Override
public int getExpDrop(BlockState iblockdata, ServerLevel worldserver, BlockPos blockposition, ItemStack itemstack) {
+ if (isSilkTouch(worldserver, itemstack)) return 0; // Purpur
int i = 15 + worldserver.random.nextInt(15) + worldserver.random.nextInt(15);
return i;
diff --git a/src/main/java/net/pl3x/purpur/PurpurWorldConfig.java b/src/main/java/net/pl3x/purpur/PurpurWorldConfig.java
index a1d6a2235e6c8025c8f5516ccc69bae610eb9c72..c79cd57a169613d757a340270586611a935d04ae 100644
--- a/src/main/java/net/pl3x/purpur/PurpurWorldConfig.java
+++ b/src/main/java/net/pl3x/purpur/PurpurWorldConfig.java
@@ -110,6 +110,31 @@ public class PurpurWorldConfig {
playerInvulnerableWhileAcceptingResourcePack = getBoolean("gameplay-mechanics.player.invulnerable-while-accepting-resource-pack", playerInvulnerableWhileAcceptingResourcePack);
}
+ public boolean silkTouchEnabled = false;
+ public String silkTouchSpawnerName = "Spawner";
+ public List<String> silkTouchSpawnerLore = new ArrayList<>();
+ public List<Item> silkTouchTools = new ArrayList<>();
+ public int minimumSilkTouchSpawnerRequire = 1;
+ private void silkTouchSettings() {
+ silkTouchEnabled = getBoolean("gameplay-mechanics.silk-touch.enabled", silkTouchEnabled);
+ silkTouchSpawnerName = getString("gameplay-mechanics.silk-touch.spawner-name", silkTouchSpawnerName);
+ minimumSilkTouchSpawnerRequire = getInt("gameplay-mechanics.silk-touch.minimal-level", minimumSilkTouchSpawnerRequire);
+ silkTouchSpawnerLore.clear();
+ getList("gameplay-mechanics.silk-touch.spawner-lore", new ArrayList<String>(){{
+ add("Spawns a {mob}");
+ }}).forEach(line -> silkTouchSpawnerLore.add(line.toString()));
+ silkTouchTools.clear();
+ getList("gameplay-mechanics.silk-touch.tools", new ArrayList<String>(){{
+ add("minecraft:iron_pickaxe");
+ add("minecraft:golden_pickaxe");
+ add("minecraft:diamond_pickaxe");
+ add("minecraft:netherite_pickaxe");
+ }}).forEach(key -> {
+ Item item = Registry.ITEM.get(new ResourceLocation(key.toString()));
+ if (item != Items.AIR) silkTouchTools.add(item);
+ });
+ }
+
public boolean babiesAreRidable = true;
public boolean untamedTamablesAreRidable = true;
public boolean useNightVisionWhenRiding = false;
diff --git a/src/main/java/net/pl3x/purpur/item/SpawnerItem.java b/src/main/java/net/pl3x/purpur/item/SpawnerItem.java
new file mode 100644
index 0000000000000000000000000000000000000000..728da3d75ec957ee789f9625483565e38649acd5
--- /dev/null
+++ b/src/main/java/net/pl3x/purpur/item/SpawnerItem.java
@@ -0,0 +1,36 @@
+package net.pl3x.purpur.item;
+
+import net.minecraft.core.BlockPos;
+import net.minecraft.nbt.CompoundTag;
+import net.minecraft.world.entity.EntityType;
+import net.minecraft.world.entity.player.Player;
+import net.minecraft.world.item.BlockItem;
+import net.minecraft.world.item.ItemStack;
+import net.minecraft.world.level.Level;
+import net.minecraft.world.level.block.Block;
+import net.minecraft.world.level.block.entity.BlockEntity;
+import net.minecraft.world.level.block.entity.SpawnerBlockEntity;
+import net.minecraft.world.level.block.state.BlockState;
+
+public class SpawnerItem extends BlockItem {
+
+ public SpawnerItem(Block block, Properties settings) {
+ super(block, settings);
+ }
+
+ @Override
+ protected boolean updateCustomBlockEntityTag(BlockPos pos, Level level, Player player, ItemStack stack, BlockState state) {
+ boolean handled = super.updateCustomBlockEntityTag(pos, level, player, stack, state);
+ if (level.purpurConfig.silkTouchEnabled && player.getBukkitEntity().hasPermission("purpur.place.spawners")) {
+ BlockEntity spawner = level.getBlockEntity(pos);
+ if (spawner instanceof SpawnerBlockEntity && stack.hasTag()) {
+ CompoundTag tag = stack.getTag();
+ if (tag.contains("Purpur.mob_type")) {
+ EntityType.byString(tag.getString("Purpur.mob_type")).ifPresent(type ->
+ ((SpawnerBlockEntity) spawner).getSpawner().setEntityId(type));
+ }
+ }
+ }
+ return handled;
+ }
+}
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