biosphere2/src/main/java/io/github/bi0qaw/biosphere/expression/ExprLocationReflection.java

70 lines
2.1 KiB
Java
Executable File

package io.github.bi0qaw.biosphere.expression;
import ch.njol.skript.doc.Description;
import ch.njol.skript.doc.Examples;
import ch.njol.skript.doc.Name;
import io.github.bi0qaw.biosphere.util.LocationLib;
import io.github.bi0qaw.biosphere.util.TrigLib;
import org.bukkit.Location;
import org.bukkit.event.Event;
import org.jetbrains.annotations.Nullable;
import ch.njol.skript.lang.Expression;
import ch.njol.skript.lang.SkriptParser.ParseResult;
import ch.njol.skript.lang.util.SimpleExpression;
import ch.njol.util.Kleenean;
import org.bukkit.util.Vector;
@Name("Location Reflection")
@Description("Mirrors locations in another location. The direction parameter applies an additional scaling for each axis.")
@Examples({"set {_point} to location 5 in front of player mirrored at player",
"show happy villager at {_point}",
"#shows a particle 5 blocks behind the player"})
public class ExprLocationReflection extends SimpleExpression<Location>{
private Expression<Location> locations;
private Expression<Location> point;
private Expression<Vector> direction;
@Override
public Class<? extends Location> getReturnType() {
return Location.class;
}
@Override
public boolean isSingle() {
return locations.isSingle();
}
@SuppressWarnings("unchecked")
@Override
public boolean init(Expression<?>[] expr, int arg1, Kleenean arg2, ParseResult parseResult) {
locations = (Expression<Location>) expr[0];
point = (Expression<Location>) expr[1];
direction = (Expression<Vector>) expr[2];
return true;
}
@Override
public String toString(@Nullable Event e, boolean arg1) {
if (direction == null) {
return locations.toString(e, arg1) + " reflected at " + point.toString(e, arg1);
}
else {
return locations.toString(e, arg1) + " reflected at " + point.toString(e, arg1) + " in direction " + direction.toString(e, arg1);
}
}
@Override
@Nullable
protected Location[] get(Event e) {
if(direction == null) {
return LocationLib.pointReflection(locations.getArray(e), point.getSingle(e));
}
else {
return LocationLib.reflection(locations.getArray(e), point.getSingle(e), direction.getSingle(e));
}
}
}