craftbukkit/nms-patches/net/minecraft/world/level/block/BlockTNT.patch

--- a/net/minecraft/world/level/block/BlockTNT.java
+++ b/net/minecraft/world/level/block/BlockTNT.java
@@ -29,6 +29,11 @@
 import net.minecraft.world.level.redstone.Orientation;
 import net.minecraft.world.phys.MovingObjectPositionBlock;
 
+// CraftBukkit start
+import org.bukkit.craftbukkit.event.CraftEventFactory;
+import org.bukkit.event.block.TNTPrimeEvent.PrimeCause;
+// CraftBukkit end
+
 public class BlockTNT extends Block {
 
     public static final MapCodec<BlockTNT> CODEC = simpleCodec(BlockTNT::new);
@@ -47,7 +52,7 @@
     @Override
     protected void onPlace(IBlockData iblockdata, World world, BlockPosition blockposition, IBlockData iblockdata1, boolean flag) {
         if (!iblockdata1.is(iblockdata.getBlock())) {
-            if (world.hasNeighborSignal(blockposition)) {
+            if (world.hasNeighborSignal(blockposition) && CraftEventFactory.callTNTPrimeEvent(world, blockposition, PrimeCause.REDSTONE, null, null)) { // CraftBukkit - TNTPrimeEvent
                 explode(world, blockposition);
                 world.removeBlock(blockposition, false);
             }
@@ -57,7 +62,7 @@
 
     @Override
     protected void neighborChanged(IBlockData iblockdata, World world, BlockPosition blockposition, Block block, @Nullable Orientation orientation, boolean flag) {
-        if (world.hasNeighborSignal(blockposition)) {
+        if (world.hasNeighborSignal(blockposition) && CraftEventFactory.callTNTPrimeEvent(world, blockposition, PrimeCause.REDSTONE, null, null)) { // CraftBukkit - TNTPrimeEvent
             explode(world, blockposition);
             world.removeBlock(blockposition, false);
         }
@@ -66,7 +71,7 @@
 
     @Override
     public IBlockData playerWillDestroy(World world, BlockPosition blockposition, IBlockData iblockdata, EntityHuman entityhuman) {
-        if (!world.isClientSide() && !entityhuman.isCreative() && (Boolean) iblockdata.getValue(BlockTNT.UNSTABLE)) {
+        if (!world.isClientSide() && !entityhuman.isCreative() && (Boolean) iblockdata.getValue(BlockTNT.UNSTABLE) && CraftEventFactory.callTNTPrimeEvent(world, blockposition, PrimeCause.BLOCK_BREAK, entityhuman, null)) { // CraftBukkit - TNTPrimeEvent
             explode(world, blockposition);
         }
 
@@ -101,6 +106,11 @@
         if (!itemstack.is(Items.FLINT_AND_STEEL) && !itemstack.is(Items.FIRE_CHARGE)) {
             return super.useItemOn(itemstack, iblockdata, world, blockposition, entityhuman, enumhand, movingobjectpositionblock);
         } else {
+            // CraftBukkit start - TNTPrimeEvent
+            if (!CraftEventFactory.callTNTPrimeEvent(world, blockposition, PrimeCause.PLAYER, entityhuman, null)) {
+                return EnumInteractionResult.CONSUME;
+            }
+            // CraftBukkit end
             explode(world, blockposition, entityhuman);
             world.setBlock(blockposition, Blocks.AIR.defaultBlockState(), 11);
             Item item = itemstack.getItem();
@@ -123,6 +133,11 @@
             Entity entity = iprojectile.getOwner();
 
             if (iprojectile.isOnFire() && iprojectile.mayInteract(worldserver, blockposition)) {
+                // CraftBukkit start
+                if (!org.bukkit.craftbukkit.event.CraftEventFactory.callEntityChangeBlockEvent(iprojectile, blockposition, Blocks.AIR.defaultBlockState()) || !CraftEventFactory.callTNTPrimeEvent(world, blockposition, PrimeCause.PROJECTILE, iprojectile, null)) {
+                    return;
+                }
+                // CraftBukkit end
                 explode(world, blockposition, entity instanceof EntityLiving ? (EntityLiving) entity : null);
                 world.removeBlock(blockposition, false);
             }