/* Save all changes back out */
public void Save()
{
BinaryWriter writer = new BinaryWriter(File.OpenWrite(path_to_pak));
//Update all parameter values
foreach (CathodeParameter parameter in parameters)
{
writer.BaseStream.Position = parameter.offset + 4;
switch (parameter.dataType)
{
case CathodeDataType.POSITION:
CathodeTransform cTransform = (CathodeTransform)parameter;
writer.Write(cTransform.position.x);
writer.Write(cTransform.position.y);
writer.Write(cTransform.position.z);
writer.Write(cTransform.rotation.x);
writer.Write(cTransform.rotation.y);
writer.Write(cTransform.rotation.z);
break;
case CathodeDataType.DIRECTION:
CathodeVector3 cVector = (CathodeVector3)parameter;
writer.Write(cVector.value.x);
writer.Write(cVector.value.y);
writer.Write(cVector.value.z);
break;
case CathodeDataType.INTEGER:
CathodeInteger cInt = (CathodeInteger)parameter;
writer.Write(cInt.value);
break;
case CathodeDataType.STRING:
CathodeString cString = (CathodeString)parameter;
writer.BaseStream.Position += 8;
for (int i = 0; i < cString.initial_length; i++)
{
char to_write = (char)0x00;
if (i < cString.value.Length)
{
to_write = cString.value[i];
}
writer.Write((byte)to_write);
}
break;
case CathodeDataType.FLOAT:
CathodeFloat cFloat = (CathodeFloat)parameter;
writer.Write(cFloat.value);
break;
}
}
//Update all selected parameter offsets & REDS references
foreach (CathodeFlowgraph flowgraph in flowgraphs)
{
foreach (CathodeNodeEntity node in flowgraph.nodes)
{
foreach (CathodeParameterReference param_ref in node.nodeParameterReferences)
{
writer.BaseStream.Position = param_ref.editOffset;
writer.Write((int)(param_ref.offset / 4));
}
}
foreach (CathodeResourceReference resRef in flowgraph.resources)
{
if (resRef == null || resRef.entryType != CathodeResourceReferenceType.RENDERABLE_INSTANCE)
{
continue;
}
writer.BaseStream.Position = resRef.editOffset + 32;
writer.Write(resRef.entryIndexREDS);
writer.Write(resRef.entryCountREDS);
}
}
writer.Close();
}
/* Read all parameters from the PAK */
private void ReadParameters(BinaryReader reader)
{
reader.BaseStream.Position = parameter_offsets[0];
for (int i = 0; i < parameter_count; i++)
{
int length = (i == parameter_count - 1) ? flowgraph_offsets[0] - parameter_offsets[i] : parameter_offsets[i + 1] - parameter_offsets[i];
CathodeParameter this_parameter = new CathodeParameter();
CathodeDataType this_datatype = GetDataType(reader.ReadBytes(4));
switch (this_datatype)
{
case CathodeDataType.POSITION:
this_parameter = new CathodeTransform();
//TODO: are these X/Y/Zs the right way around?
((CathodeTransform)this_parameter).position = new Vec3(reader.ReadSingle(), reader.ReadSingle(), reader.ReadSingle());
((CathodeTransform)this_parameter).rotation = new Vec3(reader.ReadSingle(), reader.ReadSingle(), reader.ReadSingle());
break;
case CathodeDataType.INTEGER:
this_parameter = new CathodeInteger();
((CathodeInteger)this_parameter).value = reader.ReadInt32();
break;
case CathodeDataType.STRING:
this_parameter = new CathodeString();
((CathodeString)this_parameter).unk0 = reader.ReadBytes(4); // some kind of ID sometimes referenced in script and resource id
((CathodeString)this_parameter).unk1 = reader.ReadBytes(4); // sometimes flowgraph id ?!
bool shouldStop = false;
for (int x = 0; x < length - 8; x++)
{
byte thisByte = reader.ReadByte();
if (thisByte == 0x00)
{
shouldStop = true; continue;
}
if (shouldStop && thisByte != 0x00)
{
break;
}
((CathodeString)this_parameter).value += (char)thisByte;
}
((CathodeString)this_parameter).initial_length = length - 13;
reader.BaseStream.Position -= 1;
break;
case CathodeDataType.BOOL:
this_parameter = new CathodeBool();
((CathodeBool)this_parameter).value = (reader.ReadInt32() == 1);
break;
case CathodeDataType.FLOAT:
this_parameter = new CathodeFloat();
((CathodeFloat)this_parameter).value = reader.ReadSingle();
break;
case CathodeDataType.SHORT_GUID:
this_parameter = new CathodeResource();
((CathodeResource)this_parameter).resourceID = reader.ReadBytes(4);
break;
case CathodeDataType.DIRECTION:
this_parameter = new CathodeVector3();
((CathodeVector3)this_parameter).value = new Vec3(reader.ReadSingle(), reader.ReadSingle(), reader.ReadSingle());
break;
case CathodeDataType.ENUM:
this_parameter = new CathodeEnum();
((CathodeEnum)this_parameter).enumID = reader.ReadBytes(4);
((CathodeEnum)this_parameter).enumIndex = reader.ReadInt32();
break;
/*
* case CathodeDataType.SPLINE_DATA:
* this_parameter = new CathodeSpline();
* int start_offset = reader.ReadInt32(); //This just gives us a pointless offset
* int num_points = reader.ReadInt32();
*
* if (length - 12 != num_points * 24)
* {
* string dsfsdf = ""; //for some reason some have extra data at the end
* }
*
* for (int x = 0; x < num_points; x++)
* {
* CathodeTransform this_point = new CathodeTransform();
* this_point.position = new Vector3(reader.ReadSingle(), reader.ReadSingle(), reader.ReadSingle());
* this_point.rotation = new Vector3(reader.ReadSingle(), reader.ReadSingle(), reader.ReadSingle());
* ((CathodeSpline)this_parameter).splinePoints.Add(this_point);
* }
* break;
*/
default:
this_parameter.unknownContent = reader.ReadBytes(length - 4); //Should never hit this!
break;
}
this_parameter.offset = parameter_offsets[i];
this_parameter.dataType = this_datatype;
parameters.Add(this_parameter);
}
}