public void createFromPathWithOffset(String filename, long offset, int length)
{
path = filename;
//Save the filename for opening later
beginningOffset = offset;
BinaryReader file = openReader();
//Get the header of the gff
header = new GFFHeader(file);
dataOffset = header.dataOffset + beginningOffset;
//Get the struct definitions
structs = new BiowareStruct[header.structCount];
for (int i = 0; i < header.structCount; i++)
{
structs[i] = new BiowareStruct(this, new GFFStructDefinition(file, beginningOffset));
}
file.Close();
}
public TerrainMeshVertex(BiowareStruct definition, BinaryReader file)
{
_definition = definition;
readData(file);
}
public TerrainMapEdge(BiowareStruct definition, BinaryReader file)
{
_definition = definition;
readData(file);
}
public TerrainMapEdge(BiowareStruct definition, BinaryReader file)
{
_definition = definition;
readData(file);
}
//Reading from a file constructor (normal meshes)
public MeshChunk(BinaryReader file, long dataOffset, BiowareStruct chunkDef, BiowareStruct vertStruct)
{
uint listLength;
long reference;
long position = file.BaseStream.Position;
materialObjectName = "";
//Read the name
file.BaseStream.Seek(chunkDef.fields[0].index + position, SeekOrigin.Begin);
name = IOUtilities.readECString(file, dataOffset + file.ReadInt32());
//Seek to vertex size offset and read it
file.BaseStream.Seek(chunkDef.fields[1].index + position, SeekOrigin.Begin);
vertexSize = (int)file.ReadUInt32();
//Seek to vertex count offset and read it
file.BaseStream.Seek(chunkDef.fields[2].index + position, SeekOrigin.Begin);
vertexCount = file.ReadUInt32();
verts = new float[vertexCount * vertexElementCount];
//Seek to vertex offset offset and read it
file.BaseStream.Seek(chunkDef.fields[7].index + position, SeekOrigin.Begin);
vertexOffset = file.ReadUInt32();
//Seek to index count offset and read it
file.BaseStream.Seek(chunkDef.fields[3].index + position, SeekOrigin.Begin);
indexCount = file.ReadUInt32();
indices = new uint[indexCount];
//Seek to index offset offset and read it
file.BaseStream.Seek(chunkDef.fields[10].index + position, SeekOrigin.Begin);
startIndex = file.ReadUInt32();
//Seek to vertex declarator offset and read in the list reference
file.BaseStream.Seek(chunkDef.fields[13].index + position, SeekOrigin.Begin);
reference = file.ReadUInt32();
//Make the triangle array to be filled later
tris = new Triangle[indexCount / 3];
//Seek to the list
file.BaseStream.Seek(reference + dataOffset, SeekOrigin.Begin);
listLength = file.ReadUInt32();
reference = file.BaseStream.Position;
usesTwoTexCoords = false;
Usage type;
//Get the offsets
for (int i = 0; i < listLength; i++)
{
file.BaseStream.Seek(reference + (vertStruct.structSize * i) + vertStruct.fields[3].index, SeekOrigin.Begin);
type = (Usage)file.ReadUInt32();
file.BaseStream.Seek(reference + (vertStruct.structSize * i) + vertStruct.fields[1].index, SeekOrigin.Begin);
switch (type)
{
case Usage.POSITION:
positionOffset = file.ReadInt32();
break;
case Usage.TEXCOORD:
int offset = file.ReadInt32();
file.BaseStream.Seek(reference + (vertStruct.structSize * i) + vertStruct.fields[4].index, SeekOrigin.Begin);
uint index = file.ReadUInt32();
if (index == 0)
{
textureOffset = offset;
texture2Offset = offset;
}
else if (index == 1)
{
texture2Offset = offset;
usesTwoTexCoords = true;
}
break;
case Usage.NORMAL:
normalOffset = file.ReadInt32();
break;
}
}
}
public TerrainMeshVertex(BiowareStruct definition, BinaryReader file)
{
_definition = definition;
readData(file);
}
private void setStructDefinitions()
{
for (int i = 0; i < binaryFile.structs.Length; i++)
{
switch (binaryFile.structs[i].type)
{
case GFFSTRUCTTYPE.MMH_MSH_STRUCT:
meshChunkInfoIndex = i;
meshChunkInfoStruct = binaryFile.structs[i]; break;
case GFFSTRUCTTYPE.MMH_NODE_STRUCT:
nodeStructIndex = i;
nodeStruct = binaryFile.structs[i]; break;
case GFFSTRUCTTYPE.MMH_ORIENTATION:
rotationStructIndex = i; break;
case GFFSTRUCTTYPE.MMH_OFFSET:
translationStructIndex = i; break;
}
}
}
private void setStructDefinitions()
{
for (int i = 0; i < binaryFile.structs.Length; i++)
{
switch (binaryFile.structs[i].type)
{
case GFFSTRUCTTYPE.TRN_MAP_EDGE:
mapEdgeStruct = binaryFile.structs[i]; break;
case GFFSTRUCTTYPE.TRN_MAP_FACE:
mapFaceStruct = binaryFile.structs[i]; break;
case GFFSTRUCTTYPE.TRN_MAP_VERT:
mapVertexStruct = binaryFile.structs[i]; break;
case GFFSTRUCTTYPE.TRN_MESH_EDGE:
meshEdgeStruct = binaryFile.structs[i]; break;
case GFFSTRUCTTYPE.TRN_MESH_FACE:
meshFaceStruct = binaryFile.structs[i]; break;
case GFFSTRUCTTYPE.TRN_MESH_VERT:
meshVertexStruct = binaryFile.structs[i]; break;
case GFFSTRUCTTYPE.TRN_AREA_INFO:
infoStruct = binaryFile.structs[i]; break;
}
}
}
//Reading from a file constructor (normal meshes)
public MeshChunk(BinaryReader file, long dataOffset, BiowareStruct chunkDef, BiowareStruct vertStruct)
{
uint listLength;
long reference;
long position = file.BaseStream.Position;
materialObjectName = "";
//Read the name
file.BaseStream.Seek(chunkDef.fields[0].index + position, SeekOrigin.Begin);
name = IOUtilities.readECString(file, dataOffset + file.ReadInt32());
//Seek to vertex size offset and read it
file.BaseStream.Seek(chunkDef.fields[1].index + position, SeekOrigin.Begin);
vertexSize = (int)file.ReadUInt32();
//Seek to vertex count offset and read it
file.BaseStream.Seek(chunkDef.fields[2].index + position, SeekOrigin.Begin);
vertexCount = file.ReadUInt32();
verts = new float[vertexCount * vertexElementCount];
//Seek to vertex offset offset and read it
file.BaseStream.Seek(chunkDef.fields[7].index + position, SeekOrigin.Begin);
vertexOffset = file.ReadUInt32();
//Seek to index count offset and read it
file.BaseStream.Seek(chunkDef.fields[3].index + position, SeekOrigin.Begin);
indexCount = file.ReadUInt32();
indices = new uint[indexCount];
//Seek to index offset offset and read it
file.BaseStream.Seek(chunkDef.fields[10].index + position, SeekOrigin.Begin);
startIndex = file.ReadUInt32();
//Seek to vertex declarator offset and read in the list reference
file.BaseStream.Seek(chunkDef.fields[13].index + position, SeekOrigin.Begin);
reference = file.ReadUInt32();
//Make the triangle array to be filled later
tris = new Triangle[indexCount / 3];
//Seek to the list
file.BaseStream.Seek(reference + dataOffset, SeekOrigin.Begin);
listLength = file.ReadUInt32();
reference = file.BaseStream.Position;
usesTwoTexCoords = false;
Usage type;
//Get the offsets
for (int i = 0; i < listLength; i++)
{
file.BaseStream.Seek(reference + (vertStruct.structSize * i) + vertStruct.fields[3].index, SeekOrigin.Begin);
type = (Usage)file.ReadUInt32();
file.BaseStream.Seek(reference + (vertStruct.structSize * i) + vertStruct.fields[1].index, SeekOrigin.Begin);
switch (type)
{
case Usage.POSITION:
positionOffset = file.ReadInt32();
break;
case Usage.TEXCOORD:
int offset = file.ReadInt32();
file.BaseStream.Seek(reference + (vertStruct.structSize * i) + vertStruct.fields[4].index, SeekOrigin.Begin);
uint index = file.ReadUInt32();
if (index == 0)
{
textureOffset = offset;
texture2Offset = offset;
}
else if (index == 1)
{
texture2Offset = offset;
usesTwoTexCoords = true;
}
break;
case Usage.NORMAL:
normalOffset = file.ReadInt32();
break;
}
}
}
private void setStructDefinitions()
{
for (int i = 0; i < headerFile.structs.Length; i++)
{
switch (headerFile.structs[i].type)
{
case GFFSTRUCTTYPE.EVN_ROOM:
roomStruct = headerFile.structs[i]; break;
case GFFSTRUCTTYPE.ENV_WORLD_ROOM:
environmentStruct = headerFile.structs[i]; break;
case GFFSTRUCTTYPE.ENV_WORLD_TERRAIN:
environmentStruct = headerFile.structs[i]; break;
case GFFSTRUCTTYPE.ENV_AREA:
areaStruct = headerFile.structs[i]; break;
case GFFSTRUCTTYPE.LIGHT:
lightStruct = headerFile.structs[i]; break;
case GFFSTRUCTTYPE.MODEL:
modelStruct = headerFile.structs[i]; break;
case GFFSTRUCTTYPE.TERRAIN_CHUNK:
terrainChunkStruct = headerFile.structs[i]; break;
case GFFSTRUCTTYPE.TS_PROPERTY:
propertyStruct = headerFile.structs[i]; break;
case GFFSTRUCTTYPE.LVL_GROUP:
levelGroupStruct = headerFile.structs[i]; break;
}
}
}
