public static EleGraphicalData ReadFromStream(EleInstance instance, BigEndianReader reader)
{
var id = reader.ReadInt();
var type = (EleGraphicalElementTypes)reader.ReadByte();
switch (type)
{
case EleGraphicalElementTypes.ANIMATED:
return AnimatedGraphicalElementData.ReadFromStream(instance, id, reader);
case EleGraphicalElementTypes.BLENDED:
return BlendedGraphicalElementData.ReadFromStream(instance, id, reader);
case EleGraphicalElementTypes.BOUNDING_BOX:
return BoundingBoxGraphicalElementData.ReadFromStream(instance, id, reader);
case EleGraphicalElementTypes.ENTITY:
return EntityGraphicalElementData.ReadFromStream(instance, id, reader);
case EleGraphicalElementTypes.NORMAL:
return NormalGraphicalElementData.ReadFromStream(instance, id, reader);
case EleGraphicalElementTypes.PARTICLES:
return ParticlesGraphicalElementData.ReadFromStream(instance, id, reader);
default:
throw new Exception("Unknown graphical data of type " + type);
}
}
public static EleInstance ReadFromStream(BigEndianReader reader)
{
var instance = new EleInstance();
instance.Version = reader.ReadByte();
var count = reader.ReadUInt();
for (int i = 0; i < count; i++)
{
var elem = EleGraphicalData.ReadFromStream(instance, reader);
instance.GraphicalDatas.Add(elem.Id, elem);
}
if (instance.Version >= 8)
{
var gfxCount = reader.ReadInt();
for (int i = 0; i < gfxCount; i++)
{
instance.GfxJpgMap.Add(reader.ReadInt(), true);
}
}
return instance;
}
public static new DlmGraphicalElement ReadFromStream(DlmCell cell, BigEndianReader reader)
{
var element = new DlmGraphicalElement(cell);
element.m_elementId = reader.ReadUInt();
element.m_hue = new ColorMultiplicator(reader.ReadByte(), reader.ReadByte(), reader.ReadByte(), false);
element.m_shadow = new ColorMultiplicator(reader.ReadByte(), reader.ReadByte(), reader.ReadByte(), false);
if (cell.Layer.Map.Version <= 4)
{
element.m_offset.X = reader.ReadByte();
element.m_offset.Y = reader.ReadByte();
element.m_pixelOffset.X = (int) (element.m_offset.X * CELL_HALF_WIDTH);
element.m_pixelOffset.Y = (int) (element.m_offset.Y * CELL_HALF_HEIGHT);
}
else
{
element.m_pixelOffset.X = reader.ReadShort();
element.m_pixelOffset.Y = reader.ReadShort();
element.m_offset.X = (int)( element.m_pixelOffset.X / CELL_HALF_WIDTH );
element.m_offset.Y = (int)( element.m_pixelOffset.Y / CELL_HALF_HEIGHT );
}
element.m_altitude = reader.ReadByte();
element.m_identifier = reader.ReadUInt();
element.CalculateFinalTeint();
return element;
}
/// <summary>
/// Build or continue building the message. Returns true if the resulted message is valid and ready to be parsed
/// </summary>
public bool Build(BigEndianReader reader)
{
if (IsValid)
return true;
if (reader.BytesAvailable >= 2 && !Header.HasValue)
{
Header = reader.ReadShort();
}
if (LengthBytesCount.HasValue &&
reader.BytesAvailable >= LengthBytesCount && !Length.HasValue)
{
if (LengthBytesCount < 0 || LengthBytesCount > 3)
throw new Exception("Malformated Message Header, invalid bytes number to read message length (inferior to 0 or superior to 3)");
Length = 0;
// 3..0 or 2..0 or 1..0
for (int i = LengthBytesCount.Value - 1; i >= 0; i--)
{
Length |= reader.ReadByte() << (i * 8);
}
}
// first case : no data read
if (Data == null && Length.HasValue)
{
if (Length == 0)
Data = new byte[0];
// enough bytes in the buffer to build a complete message
if (reader.BytesAvailable >= Length)
{
Data = reader.ReadBytes(Length.Value);
}
// not enough bytes, so we read what we can
else if (Length > reader.BytesAvailable)
{
Data = reader.ReadBytes((int) reader.BytesAvailable);
}
}
//second case : the message was split and it missed some bytes
if (Data != null && Length.HasValue && Data.Length < Length)
{
int bytesToRead = 0;
// still miss some bytes ...
if (Data.Length + reader.BytesAvailable < Length)
bytesToRead = (int)reader.BytesAvailable;
// there is enough bytes in the buffer to complete the message :)
else if(Data.Length + reader.BytesAvailable >= Length)
bytesToRead = Length.Value - Data.Length;
if(bytesToRead != 0)
{
int oldLength = Data.Length;
Array.Resize(ref m_data, (int)( Data.Length + bytesToRead ));
Array.Copy(reader.ReadBytes(bytesToRead), 0, Data, oldLength, bytesToRead);
}
}
return IsValid;
}
public static DlmFixture ReadFromStream(DlmMap map, BigEndianReader reader)
{
var fixture = new DlmFixture(map);
fixture.FixtureId = reader.ReadInt();
fixture.Offset = new System.Drawing.Point(reader.ReadShort(), reader.ReadShort());
fixture.Rotation = reader.ReadShort();
fixture.ScaleX = reader.ReadShort();
fixture.ScaleY = reader.ReadShort();
fixture.Hue = reader.ReadByte() << 16 | reader.ReadByte() << 8 | reader.ReadByte();
fixture.Alpha = reader.ReadByte();
return fixture;
}
public static DlmCellData ReadFromStream(DlmMap map, short id, BigEndianReader reader)
{
var cell = new DlmCellData(map, id);
cell.Floor = (short) (reader.ReadByte()*10);
if (cell.Floor == -1280)
{
return cell;
}
cell.LosMov = reader.ReadByte();
cell.Speed = reader.ReadByte();
cell.MapChangeData = reader.ReadByte();
if (map.Version > 5)
{
cell.MoveZone = reader.ReadByte();
}
return cell;
}