//Fully reads particle
public static PCF ReadParticle(string filePath)
{
FileStream fs;
try
{
fs = new FileStream(filePath, FileMode.Open);
}
catch (FileNotFoundException e)
{
CompilePalLogger.LogCompileError($"Could not find {filePath}\n", new Error($"Could not find {filePath}", ErrorSeverity.Error));
return(null);
}
PCF pcf = new PCF();
BinaryReader reader = new BinaryReader(fs);
pcf.FilePath = filePath;
//Get Magic String
string magicString = ReadNullTerminatedString(fs, reader);
//Throw away unneccesary info
magicString = magicString.Replace("<!-- dmx encoding binary ", "");
magicString = magicString.Replace(" -->", "");
//Extract info from magic string
string[] magicSplit = magicString.Split(' ');
//Store binary and pcf versions
Int32.TryParse(magicSplit[0], out pcf.BinaryVersion);
Int32.TryParse(magicSplit[3], out pcf.PcfVersion);
//Different versions have different stringDict sizes
if (pcf.BinaryVersion != 4 && pcf.BinaryVersion != 5)
{
pcf.NumDictStrings = reader.ReadInt16(); //Read as short
}
else
{
pcf.NumDictStrings = reader.ReadInt32(); //Read as int
}
//Add strings to string dict
for (int i = 0; i < pcf.NumDictStrings; i++)
{
pcf.StringDict.Add(ReadNullTerminatedString(fs, reader));
}
//Read element dict for particle names
int numElements = reader.ReadInt32();
for (int i = 0; i < numElements; i++)
{
int typeNameIndex = reader.ReadUInt16();
string typeName = pcf.StringDict[typeNameIndex];
string elementName = "";
if (pcf.BinaryVersion != 4 && pcf.BinaryVersion != 5)
{
elementName = ReadNullTerminatedString(fs, reader);
//Skip data signature
fs.Seek(16, SeekOrigin.Current);
}
else if (pcf.BinaryVersion == 4)
{
int elementNameIndex = reader.ReadUInt16();
elementName = pcf.StringDict[elementNameIndex];
fs.Seek(16, SeekOrigin.Current);
}
else if (pcf.BinaryVersion == 5)
{
int elementNameIndex = reader.ReadUInt16();
elementName = pcf.StringDict[elementNameIndex];
fs.Seek(20, SeekOrigin.Current);
}
//Get particle names
if (typeName == "DmeParticleSystemDefinition")
{
pcf.ParticleNames.Add(elementName);
}
}
if (pcf.BinaryVersion == 4 || pcf.BinaryVersion == 5)
{
//Can extract all neccesary data from string dict
//Add materials and models to the master list
List <string> materialNames = pcf.GetMaterialNamesV4();
if (materialNames != null && materialNames.Count != 0)
{
pcf.MaterialNames.AddRange(materialNames);
}
List <string> modelNames = pcf.GetModelNames();
if (modelNames != null && modelNames.Count != 0)
{
pcf.ModelNames.AddRange(modelNames);
}
reader.Close();
fs.Close();
return(pcf);
}
//Have to read element attributes to get materials for binary version under 4
//Read Element Attributes
for (int a = 0; a < numElements; a++)
{
int numElementAttribs = reader.ReadInt32();
for (int n = 0; n < numElementAttribs; n++)
{
int typeID = reader.ReadUInt16();
int attributeType = reader.ReadByte();
string attributeTypeName = pcf.StringDict[typeID];
int count = (attributeType > 14) ? reader.ReadInt32() : 1;
attributeType = (attributeType > 14) ? attributeType - 14 : attributeType;
int[] typelength = { 0, 4, 4, 4, 1, 1, 4, 4, 4, 8, 12, 16, 12, 16, 64 };
switch (attributeType)
{
case 5:
string material = ReadNullTerminatedString(fs, reader);
if (attributeTypeName == "material")
{
pcf.MaterialNames.Add("materials/" + material);
}
break;
case 6:
for (int i = 0; i < count; i++)
{
uint len = reader.ReadUInt32();
fs.Seek(len, SeekOrigin.Current);
}
break;
default:
fs.Seek(typelength[attributeType] * count, SeekOrigin.Current);
break;
}
}
}
reader.Close();
fs.Close();
return(pcf);
}
