Add sponge absorb event (#1655)

src/main/java/ch/njol/skript/events/SimpleEvents.java

@@ -30,6 +30,7 @@
 import org.bukkit.event.block.BlockSpreadEvent;
 import org.bukkit.event.block.LeavesDecayEvent;
 import org.bukkit.event.block.SignChangeEvent;
+import org.bukkit.event.block.SpongeAbsorbEvent;
 import org.bukkit.event.entity.AreaEffectCloudApplyEvent;
 import org.bukkit.event.entity.CreeperPowerEvent;
 import org.bukkit.event.entity.EntityBreakDoorEvent;
@@ -527,5 +528,14 @@ public class SimpleEvents {
 					"	send \"You equipped %event-item%!\"")
 				.since("INSERT VERSION");
 		}
+		if (Skript.classExists("org.bukkit.event.block.SpongeAbsorbEvent")) {
+			Skript.registerEvent("Sponge Absorb", SimpleEvent.class, SpongeAbsorbEvent.class, "sponge absorb")
+					.description("Called when a sponge absorbs blocks.")
+					.requiredPlugins("Minecraft 1.13 or newer")
+					.examples("on sponge absorb:",
+							"\tloop absorbed blocks:",
+							"\t\tbroadcast \"%loop-block% was absorbed by a sponge\"!")
+					.since("INSERT VERSION");
+		}
 	}
 }

src/main/java/ch/njol/skript/expressions/ExprAbsorbedBlocks.java

@@ -0,0 +1,98 @@
+/**
+ *   This file is part of Skript.
+ *
+ *  Skript is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  Skript is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with Skript.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ *
+ * Copyright 2011-2017 Peter Güttinger and contributors
+ */
+package ch.njol.skript.expressions;
+
+import java.util.Iterator;
+import java.util.List;
+
+import org.bukkit.block.BlockState;
+import org.bukkit.event.Event;
+import org.bukkit.event.block.SpongeAbsorbEvent;
+import org.eclipse.jdt.annotation.Nullable;
+
+import ch.njol.skript.ScriptLoader;
+import ch.njol.skript.Skript;
+import ch.njol.skript.doc.Description;
+import ch.njol.skript.doc.Events;
+import ch.njol.skript.doc.Examples;
+import ch.njol.skript.doc.Name;
+import ch.njol.skript.doc.Since;
+import ch.njol.skript.lang.Expression;
+import ch.njol.skript.lang.ExpressionType;
+import ch.njol.skript.lang.SkriptParser.ParseResult;
+import ch.njol.skript.lang.util.SimpleExpression;
+import ch.njol.skript.log.ErrorQuality;
+import ch.njol.skript.util.BlockStateBlock;
+import ch.njol.util.Kleenean;
+
+@Name("Absorbed blocks")
+@Description("Blocks which are absorbed in a sponge absorb event. Cannot be used outside of sponge absorb events.")
+@Events("sponge absorb")
+@Examples("the absorbed blocks")
+@Since("INSERT VERSION")
+public class ExprAbsorbedBlocks extends SimpleExpression<BlockStateBlock> {
+
+	static {
+		Skript.registerExpression(ExprAbsorbedBlocks.class, BlockStateBlock.class, ExpressionType.SIMPLE, "[the] absorbed blocks");
+	}
+
+	@Override
+	public boolean init(Expression<?>[] exprs, int matchedPattern, Kleenean isDelayed, ParseResult parseResult) {
+		if (!ScriptLoader.isCurrentEvent(SpongeAbsorbEvent.class)) {
+			Skript.error("The absorbed blocks are only usable in sponge absorb events", ErrorQuality.SEMANTIC_ERROR);
+			return false;
+		}
+		return true;
+	}
+
+	@Override
+	@Nullable
+	protected BlockStateBlock[] get(Event e) {
+		List<BlockState> bs = ((SpongeAbsorbEvent) e).getBlocks();
+		return bs.stream()
+			.map(BlockStateBlock::new)
+			.toArray(BlockStateBlock[]::new);
+	}
+
+	@Override
+	@Nullable
+	public Iterator<BlockStateBlock> iterator(Event e) {
+		List<BlockState> bs = ((SpongeAbsorbEvent) e).getBlocks();
+		return bs.stream()
+			.map(BlockStateBlock::new)
+			.iterator();
+	}
+
+	@Override
+	public Class<? extends BlockStateBlock> getReturnType() {
+		return BlockStateBlock.class;
+	}
+
+	@Override
+	public boolean isSingle() {
+		return false;
+	}
+
+	@Override
+	public String toString(@Nullable Event e, boolean debug) {
+		return "absorbed blocks";
+	}
+
+}