private Object read(
DataInput objBuffer,
Type propertyType,
boolean array,
UnrealPackageReadOnly.ExportEntry arrayInner,
String structName,
UnrealPackageReadOnly up)
throws IOException {
switch (propertyType) {
case NONE:
return null;
case BYTE:
return objBuffer.readUnsignedByte();
case INT:
return objBuffer.readInt();
case BOOL:
return array;
case FLOAT:
return objBuffer.readFloat();
case OBJECT:
return objBuffer.readCompactInt();
case NAME:
return objBuffer.readCompactInt();
case ARRAY:
int arraySize = objBuffer.readCompactInt();
List<Object> arrayList = new ArrayList<>(arraySize);
String a = arrayInner.getObjectClass().getObjectName().getName();
Property f = unrealClassLoader.getProperty(arrayInner.getObjectFullName());
array = false;
arrayInner = null;
structName = null;
propertyType = Type.valueOf(a.replace("Property", "").toUpperCase());
if (propertyType == Type.STRUCT) {
StructProperty structProperty = (StructProperty) f;
structName = structProperty.getStructType().getObjectFullName();
}
if (propertyType == Type.ARRAY) {
array = true;
ArrayProperty arrayProperty = (ArrayProperty) f;
arrayInner = (UnrealPackageReadOnly.ExportEntry) arrayProperty.getInner();
}
for (int i = 0; i < arraySize; i++) {
arrayList.add(read(objBuffer, propertyType, array, arrayInner, structName, up));
}
return arrayList;
case STRUCT:
return readStruct(objBuffer, structName, up);
/*case VECTOR:
return readStruct(objBuffer, "Vector", up);
case ROTATOR:
return readStruct(objBuffer, "Rotator", up);*/
case STR:
return objBuffer.readLine();
default:
throw new IllegalStateException("Unk type(" + structName + "): " + propertyType);
}
}
private static int readPropertySize(int sizeType, DataInput dataInput) throws IOException {
switch (sizeType) {
case 0:
return 1;
case 1:
return 2;
case 2:
return 4;
case 3:
return 12;
case 4:
return 16;
case 5:
return dataInput.readUnsignedByte();
case 6:
return dataInput.readUnsignedShort();
case 7:
return dataInput.readInt();
default:
throw new IllegalArgumentException();
}
}
public List<L2Property> readProperties(
DataInput dataInput, String objClass, UnrealPackageReadOnly up) throws UnrealException {
List<L2Property> properties = new ArrayList<>();
List<Property> classTemplate = unrealClassLoader.getStructProperties(objClass);
Collections.reverse(classTemplate);
try {
String name;
while (!(name = up.getNameTable().get(dataInput.readCompactInt()).getName()).equals("None")) {
int info = dataInput.readUnsignedByte();
Type propertyType = Type.values()[info & 0b1111]; // TODO
int sizeType = (info >> 4) & 0b111;
boolean array = info >> 7 == 1;
String structName =
propertyType.equals(Type.STRUCT)
? up.getNameTable().get(dataInput.readCompactInt()).getName()
: null;
int size = readPropertySize(sizeType, dataInput);
int arrayIndex = array && !propertyType.equals(Type.BOOL) ? dataInput.readCompactInt() : 0;
byte[] objBytes = new byte[size];
dataInput.readFully(objBytes);
final String n = name;
PropertiesUtil.getAt(properties, n);
L2Property property = PropertiesUtil.getAt(properties, n);
if (property == null) {
Property template =
classTemplate
.stream()
.filter(pt -> pt.getEntry().getObjectName().getName().equalsIgnoreCase((n)))
.findAny()
.orElse(null);
if (template == null)
throw new UnrealException(objClass + ": Property template not found: " + name);
property = new L2Property(template, up);
properties.add(property);
}
if (structName != null
&& !"Vector".equals(structName)
&& !"Rotator".equals(structName)
&& !"Color".equals(structName)) {
StructProperty structProperty = (StructProperty) property.getTemplate();
structName = structProperty.getStructType().getObjectFullName();
}
UnrealPackageReadOnly.ExportEntry arrayInner = null;
if (propertyType.equals(Type.ARRAY)) {
ArrayProperty arrayProperty = (ArrayProperty) property.getTemplate();
arrayInner = (UnrealPackageReadOnly.ExportEntry) arrayProperty.getInner();
}
DataInput objBuffer =
new DataInputStream(new ByteArrayInputStream(objBytes), dataInput.getCharset());
property.putAt(
arrayIndex,
read(
objBuffer,
propertyType,
array,
arrayInner,
structName,
up,
objClass,
property.getName()));
property.setType(propertyType);
}
} catch (IOException e) {
throw new UnrealException(e);
}
return properties;
}
public List<L2Property> readStructBin(
DataInput objBuffer, String structName, UnrealPackageReadOnly up) throws UnrealException {
List<Property> properties = unrealClassLoader.getStructProperties(structName);
try {
switch (structName) {
case "Core.Object.Vector":
{
L2Property x = new L2Property(properties.get(0), up);
x.putAt(0, objBuffer.readFloat());
L2Property y = new L2Property(properties.get(1), up);
y.putAt(0, objBuffer.readFloat());
L2Property z = new L2Property(properties.get(2), up);
z.putAt(0, objBuffer.readFloat());
return Arrays.asList(x, y, z);
}
case "Core.Object.Rotator":
{
L2Property pitch = new L2Property(properties.get(0), up);
pitch.putAt(0, objBuffer.readInt());
L2Property yaw = new L2Property(properties.get(1), up);
yaw.putAt(0, objBuffer.readInt());
L2Property roll = new L2Property(properties.get(2), up);
roll.putAt(0, objBuffer.readInt());
return Arrays.asList(pitch, yaw, roll);
}
case "Core.Object.Color":
{
L2Property b = new L2Property(properties.get(0), up);
b.putAt(0, objBuffer.readUnsignedByte());
L2Property g = new L2Property(properties.get(1), up);
g.putAt(0, objBuffer.readUnsignedByte());
L2Property r = new L2Property(properties.get(2), up);
r.putAt(0, objBuffer.readUnsignedByte());
L2Property a = new L2Property(properties.get(3), up);
a.putAt(0, objBuffer.readUnsignedByte());
return Arrays.asList(b, g, r, a);
}
case "Fire.FireTexture.Spark":
{
L2Property type = new L2Property(properties.get(0), up);
type.putAt(0, objBuffer.readUnsignedByte());
L2Property heat = new L2Property(properties.get(1), up);
heat.putAt(0, objBuffer.readUnsignedByte());
L2Property x = new L2Property(properties.get(2), up);
x.putAt(0, objBuffer.readUnsignedByte());
L2Property y = new L2Property(properties.get(3), up);
y.putAt(0, objBuffer.readUnsignedByte());
L2Property byteA = new L2Property(properties.get(4), up);
byteA.putAt(0, objBuffer.readUnsignedByte());
L2Property byteB = new L2Property(properties.get(5), up);
byteB.putAt(0, objBuffer.readUnsignedByte());
L2Property byteC = new L2Property(properties.get(6), up);
byteC.putAt(0, objBuffer.readUnsignedByte());
L2Property byteD = new L2Property(properties.get(7), up);
byteD.putAt(0, objBuffer.readUnsignedByte());
return Arrays.asList(type, heat, x, y, byteA, byteB, byteC, byteD);
}
default:
throw new UnsupportedOperationException("Not implemented"); // TODO
}
} catch (IOException e) {
throw new UnrealException(e);
}
}