SkStuff/src/me/TheBukor/SkStuff/expressions/ExprStepLength.java

81 lines
2.3 KiB
Java

package me.TheBukor.SkStuff.expressions;
import javax.annotation.Nullable;
import org.bukkit.entity.Entity;
import org.bukkit.event.Event;
import ch.njol.skript.classes.Changer.ChangeMode;
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 ch.njol.util.coll.CollectionUtils;
import me.TheBukor.SkStuff.SkStuff;
public class ExprStepLength extends SimpleExpression<Number> {
private Expression<Entity> entity;
@Override
public boolean isSingle() {
return true;
}
@Override
public Class<? extends Number> getReturnType() {
return Number.class;
}
@SuppressWarnings("unchecked")
@Override
public boolean init(Expression<?>[] expr, int matchedPattern, Kleenean isDelayed, ParseResult parseResult) {
entity = (Expression<Entity>) expr[0];
return true;
}
@Override
public String toString(@Nullable Event e, boolean debug) {
return "step length of " + entity.toString(e, debug);
}
@Override
@Nullable
protected Number[] get(Event e) {
Entity ent = entity.getSingle(e);
if (ent == null) {
return null;
}
return new Number[] { SkStuff.getNMSMethods().getEntityStepLength(ent) };
}
@Override
public void change(Event e, @Nullable Object[] delta, ChangeMode mode) {
Entity ent = entity.getSingle(e);
if (ent == null) {
return;
}
if (mode == ChangeMode.ADD) {
float toAdd = ((Number) delta[0]).floatValue();
float currentLength = SkStuff.getNMSMethods().getEntityStepLength(ent);
SkStuff.getNMSMethods().setEntityStepLength(ent, (currentLength + toAdd));
} else if (mode == ChangeMode.REMOVE) {
float toRemove = ((Number) delta[0]).floatValue();
float currentLength = SkStuff.getNMSMethods().getEntityStepLength(ent);
SkStuff.getNMSMethods().setEntityStepLength(ent, (currentLength - toRemove));
} else if (mode == ChangeMode.SET) {
float toSet = ((Number) delta[0]).floatValue();
SkStuff.getNMSMethods().setEntityStepLength(ent, toSet);
}
}
@SuppressWarnings("unchecked")
@Override
@Nullable
public Class<?>[] acceptChange(ChangeMode mode) {
if (mode == ChangeMode.ADD || mode == ChangeMode.REMOVE || mode == ChangeMode.SET) {
return CollectionUtils.array(Number.class);
}
return null;
}
}