Add More Creeper API

paper-api/src/main/java/com/destroystokyo/paper/event/entity/CreeperIgniteEvent.java

@@ -0,0 +1,60 @@
+package com.destroystokyo.paper.event.entity;
+
+import org.bukkit.entity.Creeper;
+import org.bukkit.event.Cancellable;
+import org.bukkit.event.HandlerList;
+import org.bukkit.event.entity.EntityEvent;
+import org.jetbrains.annotations.ApiStatus;
+import org.jspecify.annotations.NullMarked;
+
+/**
+ * Called when a Creeper is ignited either by a
+ * flint and steel, {@link Creeper#ignite()} or
+ * {@link Creeper#setIgnited(boolean)}.
+ */
+@NullMarked
+public class CreeperIgniteEvent extends EntityEvent implements Cancellable {
+
+    private static final HandlerList HANDLER_LIST = new HandlerList();
+
+    private boolean ignited;
+    private boolean cancelled;
+
+    @ApiStatus.Internal
+    public CreeperIgniteEvent(final Creeper creeper, final boolean ignited) {
+        super(creeper);
+        this.ignited = ignited;
+    }
+
+    @Override
+    public Creeper getEntity() {
+        return (Creeper) super.getEntity();
+    }
+
+    public boolean isIgnited() {
+        return this.ignited;
+    }
+
+    public void setIgnited(final boolean ignited) {
+        this.ignited = ignited;
+    }
+
+    @Override
+    public boolean isCancelled() {
+        return this.cancelled;
+    }
+
+    @Override
+    public void setCancelled(final boolean cancel) {
+        this.cancelled = cancel;
+    }
+
+    @Override
+    public HandlerList getHandlers() {
+        return HANDLER_LIST;
+    }
+
+    public static HandlerList getHandlerList() {
+        return HANDLER_LIST;
+    }
+}

paper-api/src/main/java/org/bukkit/entity/Creeper.java

@@ -112,4 +112,20 @@ public interface Creeper extends Monster {
      */
     @Nullable
     public Entity getIgniter();
+    // Paper start
+
+    /**
+     * Set whether creeper is ignited or not (armed to explode)
+     *
+     * @param ignited New ignited state
+     */
+    public void setIgnited(boolean ignited);
+
+    /**
+     * Check if creeper is ignited or not (armed to explode)
+     *
+     * @return Ignited state
+     */
+    public boolean isIgnited();
+    // Paper end
 }