PaperMC/patches/server-unmapped/0256-Add-TNTPrimeEvent.patch

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Mark Vainomaa <mikroskeem@mikroskeem.eu>
Date: Mon, 16 Jul 2018 00:05:05 +0300
Subject: [PATCH] Add TNTPrimeEvent


diff --git a/src/main/java/net/minecraft/world/entity/boss/enderdragon/EntityEnderDragon.java b/src/main/java/net/minecraft/world/entity/boss/enderdragon/EntityEnderDragon.java
index 97ef4c65c8cc569a99d9697f56bd44d32b151328..51993191e01f55e16667c25b8b57d6a6ddaf493b 100644
--- a/src/main/java/net/minecraft/world/entity/boss/enderdragon/EntityEnderDragon.java
+++ b/src/main/java/net/minecraft/world/entity/boss/enderdragon/EntityEnderDragon.java
@@ -61,6 +61,7 @@ import org.bukkit.craftbukkit.block.CraftBlock;
 import org.bukkit.event.entity.EntityExplodeEvent;
 import org.bukkit.event.entity.EntityRegainHealthEvent;
 // CraftBukkit end
+import com.destroystokyo.paper.event.block.TNTPrimeEvent; // Paper - TNTPrimeEvent
 
 public class EntityEnderDragon extends EntityInsentient implements IMonster {
 
@@ -515,6 +516,11 @@ public class EntityEnderDragon extends EntityInsentient implements IMonster {
                     });
                     craftBlock.getNMS().dropNaturally((WorldServer) world, blockposition, ItemStack.b);
                 }
+                // Paper start - TNTPrimeEvent
+                org.bukkit.block.Block tntBlock = world.getWorld().getBlockAt(blockposition.getX(), blockposition.getY(), blockposition.getZ());
+                if(!new TNTPrimeEvent(tntBlock, TNTPrimeEvent.PrimeReason.EXPLOSION, explosionSource.getSource().getBukkitEntity()).callEvent())
+                    continue;
+                // Paper end
                 nmsBlock.wasExploded(world, blockposition, explosionSource);
 
                 this.world.a(blockposition, false);
diff --git a/src/main/java/net/minecraft/world/level/block/BlockFire.java b/src/main/java/net/minecraft/world/level/block/BlockFire.java
index c22fad0038fdb0769e23db782e3341206fbd80f9..5ef38414d87fbce453e3ab11579c89a8ff089ae0 100644
--- a/src/main/java/net/minecraft/world/level/block/BlockFire.java
+++ b/src/main/java/net/minecraft/world/level/block/BlockFire.java
@@ -3,6 +3,7 @@ package net.minecraft.world.level.block;
 import com.google.common.collect.ImmutableMap;
 import it.unimi.dsi.fastutil.objects.Object2IntMap;
 import it.unimi.dsi.fastutil.objects.Object2IntOpenHashMap;
+import com.destroystokyo.paper.event.block.TNTPrimeEvent; // Paper - TNTPrimeEvent
 import java.util.Map;
 import java.util.Random;
 import java.util.function.Function;
@@ -11,6 +12,7 @@ import net.minecraft.SystemUtils;
 import net.minecraft.core.BaseBlockPosition;
 import net.minecraft.core.BlockPosition;
 import net.minecraft.core.EnumDirection;
+import net.minecraft.server.MCUtil;
 import net.minecraft.server.level.WorldServer;
 import net.minecraft.world.item.context.BlockActionContext;
 import net.minecraft.world.level.GameRules;
@@ -289,7 +291,7 @@ public class BlockFire extends BlockFireAbstract {
 
                 world.setTypeAndData(blockposition, this.a(world, blockposition, l), 3);
             } else {
-                world.a(blockposition, false);
+                if(iblockdata.getBlock() != Blocks.TNT) world.a(blockposition, false); // Paper - TNTPrimeEvent - We might be cancelling it below, move the setAir down
             }
 
             Block block = iblockdata.getBlock();
@@ -297,6 +299,13 @@ public class BlockFire extends BlockFireAbstract {
             if (block instanceof BlockTNT) {
                 BlockTNT blocktnt = (BlockTNT) block;
 
+                // Paper start - TNTPrimeEvent
+                org.bukkit.block.Block tntBlock = MCUtil.toBukkitBlock(world, blockposition);
+                if (!new TNTPrimeEvent(tntBlock, TNTPrimeEvent.PrimeReason.FIRE, null).callEvent()) {
+                    return;
+                }
+                world.setAir(blockposition, false);
+                // Paper end
                 BlockTNT.a(world, blockposition);
             }
         }
diff --git a/src/main/java/net/minecraft/world/level/block/BlockTNT.java b/src/main/java/net/minecraft/world/level/block/BlockTNT.java
index b5d40898bb4a10b3170cd1f42f1a44de539d53c3..71c46d5042f7e4585b364682cd5464edccdf43f6 100644
--- a/src/main/java/net/minecraft/world/level/block/BlockTNT.java
+++ b/src/main/java/net/minecraft/world/level/block/BlockTNT.java
@@ -22,6 +22,7 @@ import net.minecraft.world.level.block.state.IBlockData;
 import net.minecraft.world.level.block.state.properties.BlockProperties;
 import net.minecraft.world.level.block.state.properties.BlockStateBoolean;
 import net.minecraft.world.phys.MovingObjectPositionBlock;
+import com.destroystokyo.paper.event.block.TNTPrimeEvent; // Paper - TNTPrimeEvent
 
 public class BlockTNT extends Block {
 
@@ -36,6 +37,11 @@ public class BlockTNT extends Block {
     public void onPlace(IBlockData iblockdata, World world, BlockPosition blockposition, IBlockData iblockdata1, boolean flag) {
         if (!iblockdata1.a(iblockdata.getBlock())) {
             if (world.isBlockIndirectlyPowered(blockposition)) {
+                // Paper start - TNTPrimeEvent
+                org.bukkit.block.Block tntBlock = net.minecraft.server.MCUtil.toBukkitBlock(world, blockposition);;
+                if(!new TNTPrimeEvent(tntBlock, TNTPrimeEvent.PrimeReason.REDSTONE, null).callEvent())
+                    return;
+                // Paper end
                 a(world, blockposition);
                 world.a(blockposition, false);
             }
@@ -46,6 +52,11 @@ public class BlockTNT extends Block {
     @Override
     public void doPhysics(IBlockData iblockdata, World world, BlockPosition blockposition, Block block, BlockPosition blockposition1, boolean flag) {
         if (world.isBlockIndirectlyPowered(blockposition)) {
+            // Paper start - TNTPrimeEvent
+            org.bukkit.block.Block tntBlock = net.minecraft.server.MCUtil.toBukkitBlock(world, blockposition);;
+            if(!new TNTPrimeEvent(tntBlock, TNTPrimeEvent.PrimeReason.REDSTONE, null).callEvent())
+                return;
+            // Paper end
             a(world, blockposition);
             world.a(blockposition, false);
         }
@@ -64,6 +75,12 @@ public class BlockTNT extends Block {
     @Override
     public void wasExploded(World world, BlockPosition blockposition, Explosion explosion) {
         if (!world.isClientSide) {
+            // Paper start - TNTPrimeEvent
+            org.bukkit.block.Block tntBlock = net.minecraft.server.MCUtil.toBukkitBlock(world, blockposition);
+            org.bukkit.entity.Entity source = explosion.source != null ? explosion.source.getBukkitEntity() : null;
+            if(!new TNTPrimeEvent(tntBlock, TNTPrimeEvent.PrimeReason.EXPLOSION, source).callEvent())
+                return;
+            // Paper end
             EntityTNTPrimed entitytntprimed = new EntityTNTPrimed(world, (double) blockposition.getX() + 0.5D, (double) blockposition.getY(), (double) blockposition.getZ() + 0.5D, explosion.getSource());
 
             entitytntprimed.setFuseTicks((short) (world.random.nextInt(entitytntprimed.getFuseTicks() / 4) + entitytntprimed.getFuseTicks() / 8));
@@ -92,6 +109,11 @@ public class BlockTNT extends Block {
         if (item != Items.FLINT_AND_STEEL && item != Items.FIRE_CHARGE) {
             return super.interact(iblockdata, world, blockposition, entityhuman, enumhand, movingobjectpositionblock);
         } else {
+            // Paper start - TNTPrimeEvent
+            org.bukkit.block.Block tntBlock = net.minecraft.server.MCUtil.toBukkitBlock(world, blockposition);
+            if(!new TNTPrimeEvent(tntBlock, TNTPrimeEvent.PrimeReason.ITEM, entityhuman.getBukkitEntity()).callEvent())
+                return EnumInteractionResult.FAIL;
+            // Paper end
             a(world, blockposition, (EntityLiving) entityhuman);
             world.setTypeAndData(blockposition, Blocks.AIR.getBlockData(), 11);
             if (!entityhuman.isCreative()) {
@@ -121,6 +143,13 @@ public class BlockTNT extends Block {
                 }
                 // CraftBukkit end
 
+                // Paper start - TNTPrimeEvent
+                org.bukkit.block.Block tntBlock = net.minecraft.server.MCUtil.toBukkitBlock(world, blockposition);
+                if (!new TNTPrimeEvent(tntBlock, TNTPrimeEvent.PrimeReason.PROJECTILE, iprojectile.getBukkitEntity()).callEvent()) {
+                    return;
+                }
+                // Paper end
+
                 a(world, blockposition, entity instanceof EntityLiving ? (EntityLiving) entity : null);
                 world.a(blockposition, false);
             }