Adds some fire resistant syntax

src/main/java/ch/njol/skript/conditions/CondIsFireResistant.java

@@ -0,0 +1,56 @@
+/**
+ *   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 Peter Güttinger, SkriptLang team and contributors
+ */
+package ch.njol.skript.conditions;
+
+import ch.njol.skript.Skript;
+import ch.njol.skript.aliases.ItemType;
+import ch.njol.skript.conditions.base.PropertyCondition;
+import ch.njol.skript.doc.Description;
+import ch.njol.skript.doc.Examples;
+import ch.njol.skript.doc.Name;
+import ch.njol.skript.doc.RequiredPlugins;
+import ch.njol.skript.doc.Since;
+import org.bukkit.inventory.meta.ItemMeta;
+
+@Name("Is Fire Resistant")
+@Description("Checks whether an item is fire resistant.")
+@Examples({
+	"if player's tool is fire resistant:",
+	"if {_items::*} aren't resistant to fire:"
+})
+@RequiredPlugins("Spigot 1.20.5+")
+@Since("INSERT VERSION")
+public class CondIsFireResistant extends PropertyCondition<ItemType> {
+
+	static {
+		if (Skript.methodExists(ItemMeta.class, "isFireResistant"))
+			PropertyCondition.register(CondIsFireResistant.class, "(fire resistant|resistant to fire)", "itemtypes");
+	}
+
+	@Override
+	public boolean check(ItemType item) {
+		return item.getItemMeta().isFireResistant();
+	}
+
+	@Override
+	public String getPropertyName() {
+		return "fire resistant";
+	}
+
+}

src/main/java/ch/njol/skript/effects/EffFireResistant.java

@@ -0,0 +1,77 @@
+/**
+ *   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 Peter Güttinger, SkriptLang team and contributors
+ */
+package ch.njol.skript.effects;
+
+import ch.njol.skript.Skript;
+import ch.njol.skript.aliases.ItemType;
+import ch.njol.skript.doc.Description;
+import ch.njol.skript.doc.Examples;
+import ch.njol.skript.doc.Name;
+import ch.njol.skript.doc.RequiredPlugins;
+import ch.njol.skript.doc.Since;
+import ch.njol.skript.lang.Effect;
+import ch.njol.skript.lang.Expression;
+import ch.njol.skript.lang.SkriptParser.ParseResult;
+import ch.njol.util.Kleenean;
+import org.bukkit.event.Event;
+import org.bukkit.inventory.meta.ItemMeta;
+import org.jetbrains.annotations.Nullable;
+
+@Name("Make Fire Resistant")
+@Description("Makes items fire resistant.")
+@Examples({
+	"make player's tool fire resistant:",
+	"make {_items::*} not resistant to fire"
+})
+@RequiredPlugins("Spigot 1.20.5+")
+@Since("INSERT VERSION")
+public class EffFireResistant extends Effect {
+
+	static {
+		if (Skript.methodExists(ItemMeta.class, "setFireResistant", boolean.class))
+			Skript.registerEffect(EffFireResistant.class, "make %itemtypes% [:not] (fire resistant|resistant to fire)");
+	}
+
+	@SuppressWarnings("NotNullFieldNotInitialized")
+	private Expression<ItemType> items;
+	private boolean not;
+
+	@Override
+	@SuppressWarnings("unchecked")
+	public boolean init(Expression<?>[] exprs, int matchedPattern, Kleenean isDelayed, ParseResult parseResult) {
+		items = (Expression<ItemType>) exprs[0];
+		not = parseResult.hasTag("not");
+		return true;
+	}
+
+	@Override
+	protected void execute(Event event) {
+		for (ItemType item : this.items.getArray(event)) {
+			ItemMeta meta = item.getItemMeta();
+			meta.setFireResistant(!not);
+			item.setItemMeta(meta);
+		}
+	}
+
+	@Override
+	public String toString(@Nullable Event event, boolean debug) {
+		return "make " + items.toString(event, debug) + (not ? " not" : "") + " fire resistant";
+	}
+
+}

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

@@ -0,0 +1,87 @@
+/**
+ *   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 Peter Güttinger, SkriptLang team and contributors
+ */
+package ch.njol.skript.expressions;
+
+import ch.njol.skript.Skript;
+import ch.njol.skript.aliases.ItemType;
+import ch.njol.skript.doc.Description;
+import ch.njol.skript.doc.Examples;
+import ch.njol.skript.doc.Name;
+import ch.njol.skript.doc.RequiredPlugins;
+import ch.njol.skript.doc.Since;
+import ch.njol.skript.expressions.base.PropertyExpression;
+import ch.njol.skript.lang.Expression;
+import ch.njol.skript.lang.ExpressionType;
+import ch.njol.skript.lang.SkriptParser;
+import ch.njol.util.Kleenean;
+import org.bukkit.event.Event;
+import org.bukkit.inventory.meta.ItemMeta;
+import org.eclipse.jdt.annotation.Nullable;
+
+@Name("With Fire Resistance")
+@Description({
+	"Creates a copy of an item with (or without) fire resistance."
+})
+@Examples({
+	"set {_x} to diamond sword with fire resistance",
+	"equip player with netherite helmet without fire resistance",
+	"drop fire resistant stone at player"
+})
+@RequiredPlugins("Spigot 1.20.5+")
+@Since("INSERT VERSION")
+public class ExprWithFireResistance extends PropertyExpression<ItemType, ItemType> {
+
+	static {
+		if (Skript.methodExists(ItemMeta.class, "setFireResistant", boolean.class))
+			Skript.registerExpression(ExprWithFireResistance.class, ItemType.class, ExpressionType.PROPERTY,
+				"%itemtype% with[:out] fire[ ]resistance",
+				"fire resistant %itemtype%");
+	}
+
+	private boolean out;
+
+	@SuppressWarnings("unchecked")
+	@Override
+	public boolean init(Expression<?>[] exprs, int matchedPattern, Kleenean isDelayed, SkriptParser.ParseResult parseResult) {
+		setExpr((Expression<ItemType>) exprs[0]);
+		out = parseResult.hasTag("out");
+		return true;
+	}
+
+	@Override
+	protected ItemType[] get(Event e, ItemType[] source) {
+		return get(source.clone(), item -> {
+			ItemMeta meta = item.getItemMeta();
+			meta.setFireResistant(!out);
+			item.setItemMeta(meta);
+			return item;
+		});
+	}
+
+	@Override
+	public Class<? extends ItemType> getReturnType() {
+		return ItemType.class;
+	}
+
+	@Override
+	public String toString(final @Nullable Event event, boolean debug) {
+		return getExpr().toString(event, debug) + " with fire resistance";
+	}
+
+}

src/test/skript/tests/syntaxes/conditions/CondIsFireResistant.sk

@@ -0,0 +1,41 @@
+test "is fire resistant" while running minecraft "1.20.5":
+
+	# single item: naturally not fire resistant
+	set {_item} to diamond
+	assert {_item} is not fire resistant with "diamond is unexpectedly fire resistant"
+
+	# TODO: enable in 1.21 (doesn't work in 1.20.5 or 1.20.6)
+	# single item: artificially not fire resistant
+	# set {_item} to netherite boots without fire resistance
+	# assert {_item} is not fire resistant with "netherite boots are unexpectedly fire resistant"
+
+	# TODO: enable in 1.21 (doesn't work in 1.20.5 or 1.20.6)
+	# single item: naturally fire resistant
+	# set {_item} to netherite boots
+	# assert {_item} is fire resistant with "netherite boots are unexpectedly not fire resistant"
+
+	# single item: artificially fire resistant
+	set {_item} to fire resistant diamond
+	assert {_item} is fire resistant with "fire resistant diamond is unexpectedly not fire resistant"
+
+	# multiple items: naturally not fire resistant
+	set {_item} to diamond
+	set {_item2} to stone block
+	assert ({_item} and {_item2}) are not fire resistant with "{_item} and {_item2} are unexpectedly fire resistant"
+
+	# TODO: enable in 1.21 (doesn't work in 1.20.5 or 1.20.6)
+	# multiple items: artificially not fire resistance
+	# set {_item} to netherite boots without fire resistance
+	# set {_item2} to netherite helmet without fire resistance
+	# assert ({_item} and {_item2}) are not fire resistant with "{_item} and {_item2} are unexpectedly fire resistant"
+
+	# TODO: enable in 1.21 (doesn't work in 1.20.5 or 1.20.6)
+	# multiple items: naturally fire resistant
+	# set {_item} to netherite boots
+	# set {_item2} to netherite helmet
+	# assert ({_item} and {_item2}) are fire resistant with "{_item} and {_item2} are unexpectedly not fire resistant"
+
+	# multiple items: artifically fire resistant
+	set {_item} to diamond with fire resistance
+	set {_item2} to fire resistant stone block
+	assert ({_item} and {_item2}) are fire resistant with "fire resistant {_item} and {_item2} are unexpectedly not fire resistant"

src/test/skript/tests/syntaxes/effects/EffFireResistant.sk

@@ -0,0 +1,14 @@
+test "apply fire resistance" while running minecraft "1.20.5":
+
+	# single item
+	set {_item} to diamond
+	make {_item} fire resistant
+	assert {_item} is fire resistant with "{_item} is unexpectedly not fire resistant"
+
+	# multiple items
+	set {_item} to diamond
+	set {_item2} to paper
+	make ({_item} and {_item2}) resistant to fire
+	assert ({_item} and {_item2}) are resistant to fire with "{_item} and {_item2} are unexpectedly not fire resistant"
+
+	# TODO: add tests for already fire resistant items (i.e. netherite) in 1.21 (doesn't work in 1.20.5 or 1.20.6)

src/test/skript/tests/syntaxes/expressions/ExprWithFireResistance.sk

@@ -0,0 +1,12 @@
+test "item with fire resistance" while running minecraft "1.20.5":
+
+	# single item
+	set {_item} to diamond with fire resistance
+	assert {_item} is fire resistant with "{_item} was not fire resistant"
+
+	# multiple items
+	set {_item} to fire resistant diamond
+	set {_item2} to paper with fire resistance
+	assert ({_item} and {_item2}) are not fire resistant with "{_item} and {_item2} were not fire resistant"
+
+	# TODO: add tests for already fire resistant items (i.e. netherite) in 1.21 (doesn't work in 1.20.5 or 1.20.6)