Add saturation support

Author: bensku

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

@@ -0,0 +1,108 @@
+/*
+ *   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 2011-2013 Peter Güttinger
+ * 
+ */
+
+package ch.njol.skript.expressions;
+
+import org.bukkit.entity.HumanEntity;
+import org.bukkit.entity.LivingEntity;
+import org.bukkit.entity.Player;
+import org.bukkit.entity.Projectile;
+import org.bukkit.event.Event;
+import org.eclipse.jdt.annotation.Nullable;
+
+import ch.njol.skript.Skript;
+import ch.njol.skript.bukkitutil.ProjectileUtils;
+import ch.njol.skript.classes.Converter;
+import ch.njol.skript.classes.Changer.ChangeMode;
+import ch.njol.skript.doc.Description;
+import ch.njol.skript.doc.Examples;
+import ch.njol.skript.doc.Name;
+import ch.njol.skript.doc.Since;
+import ch.njol.skript.expressions.base.PropertyExpression;
+import ch.njol.skript.expressions.base.SimplePropertyExpression;
+import ch.njol.skript.lang.Expression;
+import ch.njol.skript.lang.ExpressionType;
+import ch.njol.skript.lang.SkriptParser.ParseResult;
+import ch.njol.util.Kleenean;
+
+/**
+ * Used to set saturation of players. Number is used in case something changes in future...
+ * @author bensku
+ */
+@Name("Saturation")
+@Description("The saturation of a player.")
+@Examples({"saturation of player is 20 #Not hungry!"})
+@Since("2.2-Fixes-V10")
+public class ExprSaturation extends PropertyExpression<Player, Number> {
+	static {
+		Skript.registerExpression(ExprSaturation.class, Number.class, ExpressionType.SIMPLE, "[the] saturation [of %players%]");
+	}
+	
+	@SuppressWarnings({"unchecked", "null"})
+	@Override
+	public boolean init(final Expression<?>[] exprs, final int matchedPattern, final Kleenean isDelayed, final ParseResult parseResult) {
+		setExpr((Expression<? extends Player>) exprs[0]);
+		return true;
+	}
+	
+	@Override
+	protected Number[] get(final Event e, final Player[] source) {
+		return get(source, new Converter<Player, Number>() {
+			@Override
+			@Nullable
+			public Number convert(final Player p) {
+				return p.getSaturation();
+			}
+		});
+	}
+	
+	@Override
+	@Nullable
+	public Class<?>[] acceptChange(final ChangeMode mode) {
+		if (mode == ChangeMode.SET)
+			return new Class[] {Number.class};
+		return super.acceptChange(mode);
+	}
+	
+	@Override
+	public void change(final Event e, final @Nullable Object[] delta, final ChangeMode mode) {
+		if (mode == ChangeMode.SET) {
+			assert delta != null;
+			for (final Player p : getExpr().getArray(e)) {
+				assert p != null : getExpr();
+				p.setSaturation(((Number) delta[0]).floatValue());
+			}
+		} else {
+			super.change(e, delta, mode);
+		}
+	}
+	
+	@Override
+	public Class<Number> getReturnType() {
+		return Number.class;
+	}
+	
+	@Override
+	public String toString(final @Nullable Event e, final boolean debug) {
+		return "the saturation" + (getExpr().isDefault() ? "" : " of " + getExpr().toString(e, debug));
+	}
+	
+}