Paper/patches/api/0135-Add-TNTPrimeEvent.patch

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Mark Vainomaa <mikroskeem@mikroskeem.eu>
Date: Sun, 15 Jul 2018 22:17:55 +0300
Subject: [PATCH] Add TNTPrimeEvent


diff --git a/src/main/java/com/destroystokyo/paper/event/block/TNTPrimeEvent.java b/src/main/java/com/destroystokyo/paper/event/block/TNTPrimeEvent.java
new file mode 100644
index 0000000000000000000000000000000000000000..73dabb82c7fbea3f0cccade0a2944b11a80ede06
--- /dev/null
+++ b/src/main/java/com/destroystokyo/paper/event/block/TNTPrimeEvent.java
@@ -0,0 +1,114 @@
+package com.destroystokyo.paper.event.block;
+
+import org.bukkit.block.Block;
+import org.bukkit.entity.Entity;
+import org.bukkit.event.Cancellable;
+import org.bukkit.event.HandlerList;
+import org.bukkit.event.block.BlockEvent;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+
+/**
+ * Called when TNT block is about to turn into {@link org.bukkit.entity.TNTPrimed}
+ * <p>
+ * Cancelling it won't turn TNT into {@link org.bukkit.entity.TNTPrimed} and leaves
+ * the TNT block as-is
+ *
+ * @author Mark Vainomaa
+ */
+public class TNTPrimeEvent extends BlockEvent implements Cancellable {
+    private static final HandlerList handlers = new HandlerList();
+    private boolean cancelled;
+    @NotNull private PrimeReason reason;
+    @Nullable private Entity primerEntity;
+
+    public TNTPrimeEvent(@NotNull Block theBlock, @NotNull PrimeReason reason, @Nullable Entity primerEntity) {
+        super(theBlock);
+        this.reason = reason;
+        this.primerEntity = primerEntity;
+    }
+
+    /**
+     * Gets the TNT prime reason
+     *
+     * @return Prime reason
+     */
+    @NotNull
+    public PrimeReason getReason() {
+        return this.reason;
+    }
+
+    /**
+     * Gets the TNT primer {@link Entity}.
+     *
+     * It's null if {@link #getReason()} is {@link PrimeReason#REDSTONE} or {@link PrimeReason#FIRE}.
+     * It's not null if {@link #getReason()} is {@link PrimeReason#ITEM} or {@link PrimeReason#PROJECTILE}
+     * It might be null if {@link #getReason()} is {@link PrimeReason#EXPLOSION}
+     *
+     * @return The {@link Entity} who primed the TNT
+     */
+    @Nullable
+    public Entity getPrimerEntity() {
+        return this.primerEntity;
+    }
+
+    /**
+     * Gets whether spawning {@link org.bukkit.entity.TNTPrimed} should be cancelled or not
+     *
+     * @return Whether spawning {@link org.bukkit.entity.TNTPrimed} should be cancelled or not
+     */
+    @Override
+    public boolean isCancelled() {
+        return this.cancelled;
+    }
+
+    /**
+     * Sets whether to cancel spawning {@link org.bukkit.entity.TNTPrimed} or not
+     *
+     * @param cancel whether spawning {@link org.bukkit.entity.TNTPrimed} should be cancelled or not
+     */
+    @Override
+    public void setCancelled(boolean cancel) {
+        this.cancelled = cancel;
+    }
+
+    @Nullable
+    @Override
+    public HandlerList getHandlers() {
+        return handlers;
+    }
+
+    @Nullable
+    public static HandlerList getHandlerList() {
+        return handlers;
+    }
+
+    public enum PrimeReason {
+        /**
+         * When TNT prime was caused by other explosion (chain reaction)
+         */
+        EXPLOSION,
+
+        /**
+         * When TNT prime was caused by fire
+         */
+        FIRE,
+
+        /**
+         * When {@link org.bukkit.entity.Player} used {@link org.bukkit.Material#FLINT_AND_STEEL} or
+         * {@link org.bukkit.Material#FIRE_CHARGE} on given TNT block
+         */
+        ITEM,
+
+        /**
+         * When TNT prime was caused by an {@link Entity} shooting TNT
+         * using a bow with {@link org.bukkit.enchantments.Enchantment#ARROW_FIRE} enchantment
+         */
+        PROJECTILE,
+
+        /**
+         * When redstone power triggered the TNT prime
+         */
+        REDSTONE
+    }
+}