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Tools for working with Legend of Dragoon scripts

There is a newer version: 0.5.6

package org.legendofdragoon.scripting;

public class State {
  private final byte[] script;

  private int headerOffset;
  private int currentOffset;

  public State(final byte[] script) {
    this.script = script;
  }

  public int length() {
    return this.script.length;
  }

  public void step() {
    this.headerOffset = this.currentOffset;
  }

  public int headerOffset() {
    return this.headerOffset;
  }

  public void headerOffset(final int opOffset) {
    this.headerOffset = opOffset;
  }

  public int currentOffset() {
    return this.currentOffset;
  }

  public void currentOffset(final int currentOffset) {
    this.currentOffset = currentOffset;
  }

  public int currentWord() {
    return this.wordAt(this.currentOffset);
  }

  public int wordAt(final int index) {
    return MathHelper.get(this.script, index, 4);
  }

  public int paramType() {
    return this.script[this.currentOffset + 3] & 0xff;
  }

  public int param0() {
    return this.script[this.currentOffset] & 0xff;
  }

  public int param1() {
    return this.script[this.currentOffset + 1] & 0xff;
  }

  public int param2() {
    return this.script[this.currentOffset + 2] & 0xff;
  }

  public State advance() {
    return this.advance(1);
  }

  public State advance(final int words) {
    this.currentOffset += words * 0x4;
    return this;
  }

  public State jump(final int index) {
    this.currentOffset = index;
    return this;
  }

  public boolean hasMore() {
    return this.currentOffset < this.script.length;
  }
}