67 lines
2.2 KiB
Java
Executable File
67 lines
2.2 KiB
Java
Executable File
package io.github.bi0qaw.biosphere.expression;
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import ch.njol.skript.doc.Description;
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import ch.njol.skript.doc.Examples;
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import ch.njol.skript.doc.Name;
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import io.github.bi0qaw.biosphere.util.LocationLib;
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import org.bukkit.Location;
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import org.bukkit.event.Event;
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import org.jetbrains.annotations.Nullable;
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import ch.njol.skript.lang.Expression;
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import ch.njol.skript.lang.SkriptParser;
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import ch.njol.skript.lang.util.SimpleExpression;
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import ch.njol.util.Kleenean;
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import org.bukkit.util.Vector;
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@Name("Location Rotate")
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@Description("Rotates locations around a rotation center and a rotation axis by an angle.")
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@Examples({"set {_point} to location 5 in front of player",
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"set {_point} to {_point} rotated around vector 0, 1, 0 at player with angle 180",
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"show happy villager at {_point}",
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"#shows a particle at the location 5 behind the player",
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"#vector 0, 1, 0 creates a vector along the y-axis, which is used as the rotation axis"})
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public class ExprLocationRotate extends SimpleExpression<Location>{
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private Expression<Location> locations;
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private Expression<Vector> axis;
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private Expression<Location> center;
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private Expression<Number> angle;
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@Override
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public Class<? extends Location> getReturnType() {
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return Location.class;
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}
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@Override
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public boolean isSingle() {
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return locations.isSingle();
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}
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@SuppressWarnings("unchecked")
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@Override
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public boolean init(Expression<?>[] expr, int matchedPattern, Kleenean arg2, SkriptParser.ParseResult parseResult) {
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locations = (Expression<Location>) expr[0];
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axis = (Expression<Vector>) expr[1];
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center = (Expression<Location>) expr[2];
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angle = (Expression<Number>) expr[3];
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return true;
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}
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@Override
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public String toString(@Nullable Event arg0, boolean arg1) {
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return locations.toString(arg0, arg1) + " rotated around " + axis.toString(arg0, arg1) + " at " + center.toString(arg0, arg1) + " with angle " + angle.toString(arg0, arg1);
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}
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@Override
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@Nullable
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protected Location[] get(Event e) {
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float a = angle.getSingle(e).floatValue();
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a = -a; //Skript uses clockwise and LocationLib anti-clockwise rotation
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Vector ax = axis.getSingle(e).clone().normalize();
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return LocationLib.rotate(locations.getArray(e), center.getSingle(e), ax, a);
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}
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}
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