PaperMC/paper-server/nms-patches/net/minecraft/world/entity/vehicle/EntityMinecartTNT.patch

--- a/net/minecraft/world/entity/vehicle/EntityMinecartTNT.java
+++ b/net/minecraft/world/entity/vehicle/EntityMinecartTNT.java
@@ -23,10 +23,14 @@
 import net.minecraft.world.level.block.state.IBlockData;
 import net.minecraft.world.level.material.Fluid;
 
+// CraftBukkit start
+import org.bukkit.event.entity.ExplosionPrimeEvent;
+// CraftBukkit end
+
 public class EntityMinecartTNT extends EntityMinecartAbstract {
 
     private static final byte EVENT_PRIME = 10;
-    private int fuse = -1;
+    public int fuse = -1;
 
     public EntityMinecartTNT(EntityTypes<? extends EntityMinecartTNT> entitytypes, World world) {
         super(entitytypes, world);
@@ -103,7 +107,7 @@
         return Items.TNT_MINECART;
     }
 
-    protected void explode(double d0) {
+    public void explode(double d0) {
         this.explode((DamageSource) null, d0);
     }
 
@@ -115,7 +119,15 @@
                 d1 = 5.0D;
             }
 
-            this.level.explode(this, damagesource, (ExplosionDamageCalculator) null, this.getX(), this.getY(), this.getZ(), (float) (4.0D + this.random.nextDouble() * 1.5D * d1), false, World.a.TNT);
+            // CraftBukkit start
+            ExplosionPrimeEvent event = new ExplosionPrimeEvent(this.getBukkitEntity(), (float) (4.0D + this.random.nextDouble() * 1.5D * d1), false);
+            this.level.getCraftServer().getPluginManager().callEvent(event);
+            if (event.isCancelled()) {
+                fuse = -1;
+                return;
+            }
+            this.level.explode(this, damagesource, (ExplosionDamageCalculator) null, this.getX(), this.getY(), this.getZ(), event.getRadius(), event.getFire(), World.a.TNT);
+            // CraftBukkit end
             this.discard();
         }