From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Samsuik <40902469+Samsuik@users.noreply.github.com>
Date: Wed, 15 Nov 2023 23:18:38 +0000
Subject: [PATCH] Explosion Durable Blocks


diff --git a/src/main/java/me/samsuik/sakura/explosion/durable/DurableBlockManager.java b/src/main/java/me/samsuik/sakura/explosion/durable/DurableBlockManager.java
new file mode 100644
index 0000000000000000000000000000000000000000..e52cae27c2bbf4fa02d49d1c69d8e1240fddfb81
--- /dev/null
+++ b/src/main/java/me/samsuik/sakura/explosion/durable/DurableBlockManager.java
@@ -0,0 +1,43 @@
+package me.samsuik.sakura.explosion.durable;
+
+import com.google.common.cache.Cache;
+import com.google.common.cache.CacheBuilder;
+import net.minecraft.core.BlockPos;
+
+import java.util.concurrent.TimeUnit;
+
+public final class DurableBlockManager {
+    private final Cache<BlockPos, DurableBlock> durableBlocks = CacheBuilder.newBuilder()
+            .expireAfterAccess(1, TimeUnit.MINUTES)
+            .maximumSize(65534)
+            .build();
+
+    public boolean damage(BlockPos pos, DurableMaterial material) {
+        DurableBlock block = this.durableBlocks.getIfPresent(pos);
+        if (block == null) {
+            this.durableBlocks.put(pos, block = new DurableBlock(material.durability()));
+        }
+        return block.damage();
+    }
+
+    public int durability(BlockPos pos, DurableMaterial material) {
+        final DurableBlock block = this.durableBlocks.getIfPresent(pos);
+        return block != null ? block.durability() : material.durability();
+    }
+
+    private static final class DurableBlock {
+        private int durability;
+
+        public DurableBlock(int durability) {
+            this.durability = durability;
+        }
+
+        public int durability() {
+            return this.durability;
+        }
+
+        public boolean damage() {
+            return --this.durability <= 0;
+        }
+    }
+}
diff --git a/src/main/java/net/minecraft/server/MinecraftServer.java b/src/main/java/net/minecraft/server/MinecraftServer.java
index 8041737aa751bec1c51ee3d9dacd6dfb2b845265..7073914cfd5759bea92ce098ad36a86afee5dd37 100644
--- a/src/main/java/net/minecraft/server/MinecraftServer.java
+++ b/src/main/java/net/minecraft/server/MinecraftServer.java
@@ -1824,6 +1824,7 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
             worldserver.localConfig().expire(currentTick); // Sakura - add local config
             worldserver.mergeHandler.expire(currentTick); // Sakura - merge cannon entities
             worldserver.densityCache.invalidate(); // Sakura - explosion density cache
+            worldserver.redstoneTracker.expire(currentTick); // Sakura
         }
         this.isIteratingOverLevels = false; // Paper - Throw exception on world create while being ticked
 
diff --git a/src/main/java/net/minecraft/world/item/ItemNameBlockItem.java b/src/main/java/net/minecraft/world/item/ItemNameBlockItem.java
index a8008c7550488be34b51f4280f5569170b1ebd1d..2e5a46b9d27b930870c68dbde93d8731fd364219 100644
--- a/src/main/java/net/minecraft/world/item/ItemNameBlockItem.java
+++ b/src/main/java/net/minecraft/world/item/ItemNameBlockItem.java
@@ -7,6 +7,33 @@ public class ItemNameBlockItem extends BlockItem {
         super(block, settings);
     }
 
+    // Sakura start - explosion durable blocks
+    @Override
+    public net.minecraft.world.InteractionResult useOn(net.minecraft.world.item.context.UseOnContext context) {
+        Block itemBlock = this.getBlock();
+        if (context.getPlayer() != null && itemBlock.equals(net.minecraft.world.level.block.Blocks.POTATOES)) {
+            net.minecraft.world.entity.player.Player player = context.getPlayer();
+            net.minecraft.world.level.block.state.BlockState state = context.getLevel().getBlockState(context.getClickedPos());
+            Block block = state.getBlock();
+            me.samsuik.sakura.explosion.durable.DurableMaterial material = context.getLevel().localConfig().config(context.getClickedPos()).durableMaterials.get(block);
+
+            if (material != null) {
+                int durability = context.getLevel().durabilityManager.durability(context.getClickedPos(), material);
+                this.sendPotatoMessage(player, durability, material.durability());
+            }
+        }
+        return super.useOn(context);
+    }
+
+    private void sendPotatoMessage(net.minecraft.world.entity.player.Player player, int remaining, int durability) {
+        player.getBukkitEntity().sendRichMessage(
+            me.samsuik.sakura.configuration.GlobalConfiguration.get().players.potatoMessage,
+            net.kyori.adventure.text.minimessage.tag.resolver.Placeholder.unparsed("remaining", String.valueOf(remaining)),
+            net.kyori.adventure.text.minimessage.tag.resolver.Placeholder.unparsed("durability", String.valueOf(durability))
+        );
+    }
+    // Sakura end - explosion durable blocks
+
     @Override
     public String getDescriptionId() {
         return this.getOrCreateDescriptionId();
diff --git a/src/main/java/net/minecraft/world/level/Explosion.java b/src/main/java/net/minecraft/world/level/Explosion.java
index 5cac17def6b49316ae8fb994d4f3d80154074fe0..407154670acbec704ef6804a33c320ab9246c16d 100644
--- a/src/main/java/net/minecraft/world/level/Explosion.java
+++ b/src/main/java/net/minecraft/world/level/Explosion.java
@@ -145,7 +145,7 @@ public class Explosion {
             BlockState blockState = ((ca.spottedleaf.moonrise.patches.chunk_getblock.GetBlockChunk)chunk).moonrise$getBlock(x, y, z);
             FluidState fluidState = blockState.getFluidState();
 
-            Optional<Float> resistance = !calculateResistance ? Optional.empty() : this.damageCalculator.getBlockExplosionResistance((Explosion)(Object)this, this.level, pos, blockState, fluidState);
+            Optional<Float> resistance = !calculateResistance ? Optional.empty() : this.calculateBlockResistance(blockState, fluidState, pos); // Sakura - explosion durable blocks
 
             ret = new ca.spottedleaf.moonrise.patches.collisions.ExplosionBlockCache(
                 key, pos, blockState, fluidState,
@@ -159,6 +159,21 @@ public class Explosion {
         return ret;
     }
 
+    // Sakura start - explosion durable blocks
+    private Optional<Float> calculateBlockResistance(BlockState blockState, FluidState fluidState, BlockPos pos) {
+        if (!blockState.isAir()) {
+            Block block = blockState.getBlock();
+            me.samsuik.sakura.explosion.durable.DurableMaterial material = this.level.localConfig().config(pos).durableMaterials.get(block);
+
+            if (material != null && material.resistance() >= 0.0f && (this.level.sakuraConfig().cannons.explosion.allowNonTntBreakingDurableBlocks || this.source instanceof net.minecraft.world.entity.item.PrimedTnt)) {
+                return Optional.of(material.resistance());
+            }
+        }
+
+        return this.damageCalculator.getBlockExplosionResistance((Explosion)(Object)this, this.level, pos, blockState, fluidState);
+    }
+    // Sakura end - explosion durable blocks
+
     private boolean clipsAnything(final Vec3 from, final Vec3 to,
                                   final ca.spottedleaf.moonrise.patches.collisions.CollisionUtil.LazyEntityCollisionContext context,
                                   final ca.spottedleaf.moonrise.patches.collisions.ExplosionBlockCache[] blockCache,
@@ -832,6 +847,16 @@ public class Explosion {
                 // CraftBukkit start - TNTPrimeEvent
                 BlockState iblockdata = this.level.getBlockState(blockposition);
                 Block block = iblockdata.getBlock();
+                // Sakura start - explosion durable blocks
+                if (this.level.sakuraConfig().cannons.explosion.allowNonTntBreakingDurableBlocks || this.source instanceof net.minecraft.world.entity.item.PrimedTnt) {
+                    me.samsuik.sakura.explosion.durable.DurableMaterial material = this.level.localConfig().config(blockposition).durableMaterials.get(block);
+
+                    if (material != null && material.durability() >= 0 && !this.level.durabilityManager.damage(blockposition, material)) {
+                        objectlistiterator.remove();
+                        continue;
+                    }
+                }
+                // Sakura end - explosion durable blocks
                 if (block instanceof net.minecraft.world.level.block.TntBlock) {
                     Entity sourceEntity = this.source == null ? null : this.source;
                     BlockPos sourceBlock = sourceEntity == null ? BlockPos.containing(this.x, this.y, this.z) : null;
diff --git a/src/main/java/net/minecraft/world/level/Level.java b/src/main/java/net/minecraft/world/level/Level.java
index 75d11642b7246bae4073feec09c0cf21c24622ca..2cf25b6e51f1c430f80f1defe365b0373227bed2 100644
--- a/src/main/java/net/minecraft/world/level/Level.java
+++ b/src/main/java/net/minecraft/world/level/Level.java
@@ -697,6 +697,7 @@ public abstract class Level implements LevelAccessor, AutoCloseable, ca.spottedl
     // Paper end - optimise random ticking
     public final me.samsuik.sakura.entity.merge.EntityMergeHandler mergeHandler = new me.samsuik.sakura.entity.merge.EntityMergeHandler(); // Sakura - merge cannon entities
     public final me.samsuik.sakura.explosion.density.BlockDensityCache densityCache = new me.samsuik.sakura.explosion.density.BlockDensityCache(); // Sakura - explosion density cache
+    public final me.samsuik.sakura.explosion.durable.DurableBlockManager durabilityManager = new me.samsuik.sakura.explosion.durable.DurableBlockManager(); // Sakura - explosion durable blocks
 
     protected Level(WritableLevelData worlddatamutable, ResourceKey<Level> resourcekey, RegistryAccess iregistrycustom, Holder<DimensionType> holder, Supplier<ProfilerFiller> supplier, boolean flag, boolean flag1, long i, int j, org.bukkit.generator.ChunkGenerator gen, org.bukkit.generator.BiomeProvider biomeProvider, org.bukkit.World.Environment env, java.util.function.Function<org.spigotmc.SpigotWorldConfig, io.papermc.paper.configuration.WorldConfiguration> paperWorldConfigCreator, Supplier<me.samsuik.sakura.configuration.WorldConfiguration> sakuraWorldConfigCreator, java.util.concurrent.Executor executor) { // Sakura - sakura configuration files// Paper - create paper world config & Anti-Xray
         this.spigotConfig = new org.spigotmc.SpigotWorldConfig(((net.minecraft.world.level.storage.PrimaryLevelData) worlddatamutable).getLevelName()); // Spigot