public final class SpotAnim {

	public static void unpackConfig(StreamLoader streamLoader) {
		Stream stream = new Stream(streamLoader.getDataForName("spotanim.dat"));
		int length = stream.getUShort();
		if (cache == null)
			cache = new SpotAnim[length];
		for (int j = 0; j < length; j++) {
			if (cache[j] == null)
				cache[j] = new SpotAnim();
            cache[j].index = j;
			cache[j].readValues(stream);
		}

	}

	public void readValues(Stream stream) {
		do {
			int i = stream.getUByte();
			if (i == 0)
				return;
			if (i == 1)
				modelId = stream.getUShort();
			else if (i == 2) {
				animationid = stream.getUShort();
				if (Animation.anims != null)
					animation = Animation.anims[animationid];
			} else if (i == 4)
				sizeXY = stream.getUShort();
			else if (i == 5)
				sizeZ = stream.getUShort();
			else if (i == 6)
				anInt412 = stream.getUShort();
			else if (i == 7)
				anInt413 = stream.getUByte();
			else if (i == 8)
				anInt414 = stream.getUByte();
			else if (i == 40) {
				int j = stream.getUByte();
				for (int k = 0; k < j; k++) {
					srcColours[k] = stream.getUShort();
					destColours[k] = stream.getUShort();
				}
			} else
				System.out.println("Error unrecognised spotanim config code: "
						+ i);
		} while (true);
	}

	public Model getModel() {
		Model model = (Model) modelCache.insertFromCache(index);
		if (model != null) {
			if(animation != null) {
				if(Class36.getFrameList(animation.anIntArray353[0]) == null) {
					return null;
				}
			}
			return model;
		}
		model = Model.method462(modelId);
		if (model == null) {
			return null;
		}
		if (srcColours != null) {
		for (int i = 0; i < srcColours.length; i++) {
				model.method476(srcColours[i], destColours[i]);
			}
		}

		modelCache.removeFromCache(model, index);
		if(animation != null) {
			if(Class36.getFrameList(animation.anIntArray353[0]) == null) {
				return null;
			}
		}
		return model;
	}

	private SpotAnim() {
		animationid = -1;
		srcColours = new int[6];
		destColours = new int[6];
		sizeXY = 128;
		sizeZ = 128;
	}

	public static SpotAnim cache[];
    private int index;
	private int modelId;
	private int animationid;
	public Animation animation;
	private final int[] srcColours;
	private final int[] destColours;
	public int sizeXY;
	public int sizeZ;
	public int anInt412;
	public int anInt413;
	public int anInt414;
	public static MRUNodes modelCache = new MRUNodes(30);

}