public TextureMap(TNAMBlock textureBlock, TLAYBlock mapBlock, TLAYBlock mapBlock2 = null, List <OLAYBlock> objectLayers = null, DatFile dataFile = null)
{
TNameBlock = textureBlock;
LayerBlock = mapBlock;
LayerBlock2 = mapBlock2;
SelectedTile = new SelectedTileDataSource();
ObjectLayerBlocks = objectLayers;
DataFileReference = dataFile;
InitializeComponent();
}
public MapFile Read(DatFile dataFileReference = null)
{
List <IGenericFieldBlock> fields = new List <IGenericFieldBlock>();
using (FileStream fs = new FileStream(this.infile, FileMode.Open, FileAccess.Read))
{
using (BinaryReader r = new BinaryReader(fs))
{
// construct an object using the file spec
char[] fileID = r.ReadChars(4);
if (string.Compare(new string(fileID), new string(MAGIC)) != 0)
{
throw new ArgumentException("Not a valid Army Men 1 map file");
}
// checknum
UInt32 fileContentSizeBytes = r.ReadUInt32(); // not including magic id and file size
_ = r.ReadChars(4); // "MAP " identifier
// I dont know that this is correct way to read the version
int major = 6;
int minor = 0;
while (r.BaseStream.Position != r.BaseStream.Length)
{
char[] fieldID = r.ReadChars(4);
if (r.BaseStream.Position == r.BaseStream.Length) // some files appear to have an extra nil at the end
{
break;
}
// there seems to be a bug in the OATT field length int, so we need to parse it bit by bit
string id = new string(fieldID);
Int32 size;
switch (id)
{
case "TLAY":
TNAMBlock tNAMBlock = (TNAMBlock)fields.FindLast(x => x.DisplayFieldName == "Textures");
fields.Add(new TLAYBlock(r, tNAMBlock));
break;
case "TNAM":
fields.Add(new TNAMBlock(r, Directory.GetParent(this.infile).FullName));
break;
case "OLAY":
fields.Add(new OLAYBlock(r));
break;
case "OATT":
OLAYBlock lastOLAY = (OLAYBlock)fields.FindLast(x => x.DisplayFieldName == OLAYBlock.FIELD_NAME);
fields.Add(new OATTBlock(r, lastOLAY));
break;
case "SCEN":
fields.Add(new SCENBlock(r));
break;
case "VERS":
size = r.ReadInt32(); // length of version field. Always 8.
// this field always occurs either first or after CNUM. CNUM doesnt always appear.
major = r.ReadInt32();
minor = r.ReadInt32();
Span <byte> content = stackalloc byte[size];
BinaryPrimitives.WriteInt32LittleEndian(content.Slice(0, 4), major);
BinaryPrimitives.WriteInt32LittleEndian(content.Slice(4, 4), minor);
fields.Add(new GenericFieldBlock(fieldID, size, content.ToArray()));
break;
default:
size = r.ReadInt32();
{
byte[] c = r.ReadBytes(size);
fields.Add(new GenericFieldBlock(fieldID, size, c));
}
break;
}
}
}
}
fields.Add(
new CombinedTextureLayersBlock(
fields.OfType <TNAMBlock>().First(),
fields
.OfType <TLAYBlock>()
.ToList(),
fields.OfType <OLAYBlock>().ToList(),
dataFileReference
)
);
return(new MapFile(fields));
}
