62 lines
1.8 KiB
Java
Executable File
62 lines
1.8 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 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.event.Event;
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import org.bukkit.util.Vector;
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import io.github.bi0qaw.biosphere.util.VectorLib;
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import org.jetbrains.annotations.Nullable;
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@Name("Vector Reflection")
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@Description("Mirrors vectors in another vector. The direction parameter applies an additional scaling for each axis.")
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@Examples({"set {_point} to vector 1, 2, 3 mirrored at vector 0, 0, 0",
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"#{_point} is now equal to the vector -1, -2, -3"})
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public class ExprVectorReflection extends SimpleExpression<Vector> {
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private Expression<Vector> vectors;
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private Expression<Vector> center;
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private Expression<Vector> direction;
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@Override
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public Class<? extends Vector> getReturnType() {
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return Vector.class;
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}
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@Override
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public boolean isSingle() {
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return vectors.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, SkriptParser.ParseResult parseResult) {
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vectors = (Expression<Vector>) expr[0];
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center = (Expression<Vector>) expr[1];
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direction = (Expression<Vector>) expr[2];
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return true;
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}
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@Override
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public String toString(@Nullable Event e, boolean arg1) {
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return vectors.toString() + " mirrored at " + center.toString() + " in direction " + direction.toString();
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}
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@Override
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@Nullable
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protected Vector[] get(Event e) {
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Vector[] clones = VectorLib.clone(vectors.getArray(e));
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if (direction == null) {
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return VectorLib.pointReflection(clones, center.getSingle(e));
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}
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else {
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return VectorLib.reflection(clones, center.getSingle(e), direction.getSingle(e));
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}
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}
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}
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