110 lines
3.1 KiB
Java
Executable File
110 lines
3.1 KiB
Java
Executable File
package io.github.bi0qaw.biosphere.expression;
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import ch.njol.skript.classes.Changer;
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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.expressions.base.SimplePropertyExpression;
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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.util.Kleenean;
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import org.bukkit.event.Event;
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import io.github.bi0qaw.biosphere.util.Frame;
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import io.github.bi0qaw.biosphere.util.VectorMath;
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@Name("Frame Yaw and Pitch")
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@Description("Yaw and pitch of a frame. Mainly used to rotate or incline reference frames")
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@Examples({"set {_frame} to frame from yaw 90 and pitch -45",
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"set {_yaw} to frame yaw of {_frame} #{_yaw} is now equal to 90",
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"add 90 to frame yaw of {_frame}",
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"set {_yaw} to frame yaw of {_frame} #{_yaw} is now equal to 180"})
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public class ExprFrameYawPitch extends SimplePropertyExpression<Frame, Number>{
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private int mark;
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private final static String[] type = new String[] {"yaw", "pitch"};
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@Override
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public boolean init(Expression<?>[] expressions, int i, Kleenean kleenean, SkriptParser.ParseResult parseResult) {
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super.init(expressions, i, kleenean, parseResult);
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mark = parseResult.mark;
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return true;
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}
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@Override
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protected String getPropertyName() {
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return "frame " + type[mark];
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}
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@Override
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public Number convert(Frame frame) {
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if (frame != null) {
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switch (mark) {
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case 0:
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return VectorMath.skriptYaw(frame.getYaw());
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case 1:
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return VectorMath.skriptPitch(frame.getPitch());
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default:
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break;
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}
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}
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return null;
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}
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@Override
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public Class<? extends Number> getReturnType() {
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return Number.class;
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}
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@Override
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public Class<Frame>[] acceptChange(Changer.ChangeMode mode) {
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if ((mode == Changer.ChangeMode.SET || mode == Changer.ChangeMode.ADD || mode == Changer.ChangeMode.REMOVE) && getExpr().isSingle() && Changer.ChangerUtils.acceptsChange(getExpr(), Changer.ChangeMode.SET, Frame.class))
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return new Class[] { Number.class };
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return null;
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}
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@Override
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public void change(Event e, Object[] delta, Changer.ChangeMode mode) {
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Frame f = getExpr().getSingle(e);
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if (f == null){
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return;
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}
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float v = ((Number) delta[0]).floatValue();
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float yaw = f.getYaw();
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float pitch = f.getPitch();
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switch (mode) {
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case REMOVE:
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v = -v;
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case ADD:
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if (mark == 0){
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yaw += v;
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} else if (mark == 1){
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pitch -= v; //negative because skript pitch is upside down and we are adding the value to the non-skript pitch
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}
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yaw = VectorMath.wrapYaw(yaw);
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pitch = VectorMath.wrapPitch(pitch);
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f = f.setFromYawPitch(yaw, pitch);
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getExpr().change(e, new Frame[]{f}, Changer.ChangeMode.SET);
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break;
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case SET:
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if (mark == 0){
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yaw = VectorMath.wrapYaw(v);
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yaw = VectorMath.fromSkriptYaw(yaw);
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} else if (mark == 1){
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pitch = VectorMath.wrapPitch(v);
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pitch = VectorMath.fromSkriptPitch(pitch);
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}
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f = f.setFromYawPitch(yaw, pitch);
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getExpr().change(e, new Frame[]{f}, Changer.ChangeMode.SET);
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break;
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case REMOVE_ALL:
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case DELETE:
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case RESET:
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assert false;
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}
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}
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}
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