Adds support for modifying the tick rate

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

@@ -0,0 +1,71 @@
+/**
+ *   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.doc.Description;
+import ch.njol.skript.doc.Examples;
+import ch.njol.skript.doc.Name;
+import ch.njol.skript.doc.Since;
+import ch.njol.skript.lang.Condition;
+import ch.njol.skript.lang.Expression;
+import ch.njol.skript.lang.SkriptParser.ParseResult;
+import ch.njol.util.Kleenean;
+import org.bukkit.Bukkit;
+import org.bukkit.Server;
+import org.bukkit.entity.Entity;
+import org.bukkit.event.Event;
+
+import javax.annotation.Nullable;
+@Name("Entity Frozen")
+@Description({
+	"Checks if the specified entities are frozen or not.",
+	"Requires Minecraft 1.20.4+"})
+@Examples({"if target entity is server frozen:"})
+@Since("INSERT VERSION")
+public class CondEntityFrozen extends Condition {
+
+	static {
+		if (Skript.methodExists(Server.class, "getServerTickManager")) {
+			Skript.registerCondition(CondEntityFrozen.class,
+				"%entities% (is|are) (server [state]|tick) frozen",
+				"%entities% (is[n't| not]|are[n't| not]) (server [state]|tick) frozen");
+		}
+	}
+
+	private Expression<Entity> entities;
+
+	@SuppressWarnings("unchecked")
+	@Override
+	public boolean init(Expression<?>[] exprs, int matchedPattern, Kleenean isDelayed, ParseResult parseResult) {
+		entities = (Expression<Entity>) exprs[0];
+		setNegated(matchedPattern == 1);
+		return true;
+	}
+
+	@Override
+	public boolean check(Event e) {
+		return entities.check(e, entity -> Bukkit.getServer().getServerTickManager().isFrozen(entity), isNegated());
+	}
+
+	@Override
+	public String toString(@Nullable Event event, boolean debug) {
+		return "entity/entities " + entities.toString(event, debug) + " " + (isNegated() ? "isn't/aren't " : "is/are ") + "frozen";
+	}
+}

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

@@ -0,0 +1,88 @@
+/**
+ *   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.doc.Description;
+import ch.njol.skript.doc.Examples;
+import ch.njol.skript.doc.Name;
+import ch.njol.skript.doc.Since;
+import ch.njol.skript.lang.Condition;
+import ch.njol.skript.lang.Expression;
+import ch.njol.skript.lang.SkriptParser.ParseResult;
+import ch.njol.util.Kleenean;
+import org.bukkit.Bukkit;
+import org.bukkit.Server;
+import org.bukkit.event.Event;
+import org.eclipse.jdt.annotation.Nullable;
+
+@Name("Server State")
+@Description({
+	"Represents the state of the server, for example, if the server is frozen, or running normally.",
+	"Requires Minecraft 1.20.4+"})
+@Examples({"if server's state is currently frozen:", "if server state is normal:"})
+@Since("INSERT VERSION")
+public class CondServerState extends Condition {
+
+	static {
+		if (Skript.methodExists(Server.class, "getServerTickManager")) {
+			Skript.registerCondition(CondServerState.class,
+				"server[[']s] state is [currently] (:frozen|:stepping|:sprinting|:normal)",
+				"server[[']s] state (is[n't| not]) [currently] (:frozen|:stepping|:sprinting|:normal)");
+		}
+	}
+
+	private String state;
+
+	@Override
+	public boolean init(Expression<?>[] exprs, int matchedPattern, Kleenean isDelayed, ParseResult parseResult) {
+		if (parseResult.hasTag("stepping")) {
+			state = "stepping";
+		} else if (parseResult.hasTag("sprinting")) {
+			state = "sprinting";
+		} else if (parseResult.hasTag("frozen")) {
+			state = "frozen";
+		} else if (parseResult.hasTag("normal")) {
+			state = "normal";
+		}
+
+		return true;
+	}
+
+	@Override
+	public boolean check(Event e) {
+		switch (state) {
+			case "frozen":
+				return Bukkit.getServer().getServerTickManager().isFrozen();
+			case "stepping":
+				return Bukkit.getServer().getServerTickManager().isStepping();
+			case "sprinting":
+				return Bukkit.getServer().getServerTickManager().isSprinting();
+			case "normal":
+				return Bukkit.getServer().getServerTickManager().isRunningNormally();
+		}
+		return false;
+	}
+
+	@Override
+	public String toString(@Nullable Event event, boolean debug) {
+		return "server state is " + state;
+	}
+
+}

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

@@ -0,0 +1,67 @@
+/**
+ *   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.doc.Description;
+import ch.njol.skript.doc.Examples;
+import ch.njol.skript.doc.Name;
+import ch.njol.skript.doc.Since;
+import ch.njol.skript.lang.Effect;
+import ch.njol.skript.lang.Expression;
+import ch.njol.skript.lang.SkriptParser;
+import ch.njol.util.Kleenean;
+import org.bukkit.Bukkit;
+import org.bukkit.Server;
+import org.bukkit.event.Event;
+import org.jetbrains.annotations.Nullable;
+@Name("Freeze/Unfreeze Server")
+@Description({
+	"Freezes or unfreezes the server.",
+	"Requires Minecraft 1.20.4+"})
+@Examples({"freeze server", "unfreeze server"})
+@Since("INSERT VERSION")
+public class EffFreezeServer extends Effect {
+
+	static {
+		if (Skript.methodExists(Server.class, "getServerTickManager")) {
+			Skript.registerEffect(EffFreezeServer.class,
+				"freeze [the] server",
+				"unfreeze [the] server");
+		}
+	}
+
+	private boolean freeze;
+
+	@Override
+	public boolean init(Expression<?>[] exprs, int matchedPattern, Kleenean isDelayed, SkriptParser.ParseResult parseResult) {
+		freeze = matchedPattern == 0;
+		return true;
+	}
+
+	@Override
+	protected void execute(Event event) {
+		Bukkit.getServer().getServerTickManager().setFrozen(freeze);
+	}
+
+	@Override
+	public String toString(@Nullable Event e, boolean debug) {
+		return freeze ? "freeze server" : "unfreeze server";
+	}
+}

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

@@ -0,0 +1,79 @@
+/**
+ *   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.doc.Since;
+import ch.njol.skript.lang.Effect;
+import ch.njol.skript.lang.Expression;
+import ch.njol.skript.lang.SkriptParser;
+import ch.njol.skript.util.Timespan;
+import ch.njol.skript.doc.Description;
+import ch.njol.skript.doc.Examples;
+import ch.njol.skript.doc.Name;
+import ch.njol.util.Kleenean;
+import org.bukkit.Bukkit;
+import org.bukkit.Server;
+import org.bukkit.event.Event;
+import org.jetbrains.annotations.Nullable;
+
+@Name("Sprint Server")
+@Description({
+	"Requests the server to sprint for a certain amount of time, or stops the server from sprinting.",
+	"Requires Minecraft 1.20.4+"})
+@Examples({"request server to sprint for 10 seconds", "make server stop sprinting"})
+@Since("INSERT VERSION")
+public class EffSprintServer extends Effect {
+
+	static {
+		if (Skript.methodExists(Server.class, "getServerTickManager")) {
+			Skript.registerEffect(EffSprintServer.class,
+				"request [for [the]] server [to] sprint for %timespan%",
+				"make [the] server stop sprinting");
+		}
+	}
+
+	private boolean sprint;
+	private Expression<Timespan> timespan;
+
+	@SuppressWarnings("unchecked")
+	@Override
+	public boolean init(Expression<?>[] exprs, int matchedPattern, Kleenean isDelayed, SkriptParser.ParseResult parseResult) {
+		sprint = matchedPattern == 0;
+		if (sprint) {
+			timespan = (Expression<Timespan>) exprs[0];
+		}
+		return true;
+	}
+
+	@Override
+	protected void execute(Event event) {
+		if (sprint) {
+			long sprintTicks = timespan != null ? timespan.getSingle(event).getTicks_i() : 1;
+			Bukkit.getServer().getServerTickManager().requestGameToSprint((int) sprintTicks);
+		} else {
+			Bukkit.getServer().getServerTickManager().stopSprinting();
+		}
+	}
+
+	@Override
+	public String toString(@Nullable Event e, boolean debug) {
+		return sprint ? "sprint server" : "stop sprinting server";
+	}
+}

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

@@ -0,0 +1,78 @@
+/**
+ *   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.doc.Since;
+import ch.njol.skript.lang.Effect;
+import ch.njol.skript.lang.Expression;
+import ch.njol.skript.lang.SkriptParser;
+import ch.njol.skript.util.Timespan;
+import ch.njol.skript.doc.Description;
+import ch.njol.skript.doc.Examples;
+import ch.njol.skript.doc.Name;
+import ch.njol.util.Kleenean;
+import org.bukkit.Bukkit;
+import org.bukkit.Server;
+import org.bukkit.event.Event;
+import org.jetbrains.annotations.Nullable;
+@Name("Step Server")
+@Description({
+	"Makes the server step for a certain amount of time if the server state is frozen, or stops the server from stepping.",
+	"Requires Minecraft 1.20.4+"})
+@Examples({"make server step for 5 seconds if server is frozen", "make server stop stepping"})
+@Since("INSERT VERSION")
+public class EffStepServer extends Effect {
+
+	static {
+		if (Skript.methodExists(Server.class, "getServerTickManager")) {
+			Skript.registerEffect(EffStepServer.class,
+				"make [the] server step for %timespan% [if [the] server [state] is frozen]",
+				"make [the] server stop stepping");
+		}
+	}
+
+	private boolean step;
+	private Expression<Timespan> timespan;
+
+	@SuppressWarnings("unchecked")
+	@Override
+	public boolean init(Expression<?>[] exprs, int matchedPattern, Kleenean isDelayed, SkriptParser.ParseResult parseResult) {
+		step = matchedPattern == 0;
+		if (step) {
+			timespan = (Expression<Timespan>) exprs[0];
+		}
+		return true;
+	}
+
+	@Override
+	protected void execute(Event event) {
+		if (step) {
+			long stepTicks = timespan != null ? timespan.getSingle(event).getTicks_i() : 1;
+			Bukkit.getServer().getServerTickManager().stepGameIfFrozen((int) stepTicks);
+		} else {
+			Bukkit.getServer().getServerTickManager().stopStepping();
+		}
+	}
+
+	@Override
+	public String toString(@Nullable Event e, boolean debug) {
+		return step ? "step server" : "stop stepping server";
+	}
+}