79 lines
2.7 KiB
Java
Executable File
79 lines
2.7 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 io.github.bi0qaw.biosphere.util.TrigLib;
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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.ParseResult;
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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 Scale")
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@Description("Scales locations from a center by a scaling factor. The direction parameter adds an additional scaling along the x-, y- and z-axis.")
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@Examples({"set {_circle::*} to circle at player with radius 1 and density 5",
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"set {_bigcircle::*} to {_circle::*} scaled at player by 2",
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"#Makes the circle 2 times bigger.",
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"set {_ellipse::*} to {_circle::*} scaled at player by 1 in direction vector 1, 1, 2",
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"#Makes the circle 2 times bigger in the z-direction but does not change the x- and y-coordinates. This creates an ellipse.",
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"show happy villager at {_circle::*}",
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"show happy villager at {_bigcircle::*}",
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"show happy villager at {_ellipse::*}"})
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public class ExprLocationScale extends SimpleExpression<Location>{
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private Expression<Location> locations;
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private Expression<Location> center;
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private Expression<Number> factor;
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private Expression<Vector> direction;
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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 arg1, Kleenean arg2, ParseResult parseResult) {
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locations = (Expression<Location>) expr[0];
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center = (Expression<Location>) expr[1];
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factor = (Expression<Number>) expr[2];
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direction = (Expression<Vector>) 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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if (direction == null) {
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return locations.toString(arg0, arg1) + " scaled with center " + center.toString(arg0, arg1) + " by " + factor.toString(arg0, arg1);
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}
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else {
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return locations.toString(arg0, arg1) + " scaled with center " + center.toString(arg0, arg1) + " by " + factor.toString(arg0, arg1) + " in direction " + direction.toString(arg0, arg1);
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}
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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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double f = factor.getSingle(e).doubleValue();
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if (direction == null) {
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return LocationLib.scale(locations.getArray(e), center.getSingle(e), f);
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}
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else {
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return LocationLib.scaleDirectional(locations.getArray(e), center.getSingle(e), direction.getSingle(e), f);
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}
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}
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}
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