public Level(Reader reader)
{
Title = reader.ReadRSDKString();
Console.WriteLine(Title);
byte[] buffer = new byte[5];
reader.Read(displayBytes, 0, 5); //Waste 5 bytes, I don't care about them right now.
//The first 4 bytes are loaded into StageSystem.ActiveTileLayers. 5th byte is tLayerMidPoint.
//If you want to know the values then look at the values for "DisplayBytes"
reader.Read(buffer, 0, 2); //Read size
width = 0; height = 0;
// Map width in 128 pixel units
// In RSDKv2, it's one byte long
width = buffer[0];
height = buffer[1];
MapLayout = new ushort[height][];
for (int i = 0; i < height; i++)
{
MapLayout[i] = new ushort[width];
}
for (int y = 0; y < height; y++)
{
for (int x = 0; x < width; x++)
{
// 128x128 Block number is 16-bit
// Big-Endian in RSDKv2 and RSDKv3
reader.Read(buffer, 0, 2); //Read size
MapLayout[y][x] = (ushort)(buffer[1] + (buffer[0] << 8));
}
}
// Read number of object types, Only RSDKv2 and RSDKv3 support this feature
int ObjTypeCount = reader.ReadByte();
for (int n = 0; n < ObjTypeCount; n++)
{
string name = reader.ReadRSDKString();
objectTypeNames.Add(name);
Console.WriteLine(name);
}
// Read object data
int ObjCount = 0;
// 2 bytes, big-endian, unsigned
ObjCount = reader.ReadByte() << 8;
ObjCount |= reader.ReadByte();
int obj_type = 0;
int obj_subtype = 0;
int obj_xPos = 0;
int obj_yPos = 0;
for (int n = 0; n < ObjCount; n++)
{
// Object type, 1 byte, unsigned
obj_type = reader.ReadByte();
// Object subtype, 1 byte, unsigned
obj_subtype = reader.ReadByte();
// X Position, 2 bytes, big-endian, signed
obj_xPos = reader.ReadSByte() << 8;
obj_xPos |= reader.ReadByte();
// Y Position, 2 bytes, big-endian, signed
obj_yPos = reader.ReadSByte() << 8;
obj_yPos |= reader.ReadByte();
// Add object
objects.Add(new Object(obj_type, obj_subtype, obj_xPos, obj_yPos));
}
reader.Close();
}
public GraphicsImage(Reader reader, bool dcGFX = false)
{
if (dcGFX)
{
reader.ReadByte();
}
width = (ushort)(reader.ReadByte() << 8);
width |= reader.ReadByte();
height = (ushort)(reader.ReadByte() << 8);
height |= reader.ReadByte();
// Create image
gfxImage = new Bitmap(width, height, PixelFormat.Format8bppIndexed);
ColorPalette cp = gfxImage.Palette;
// Read & Process palette
for (int i = 0; i < 255; i++)
{
GFXpal[i].R = reader.ReadByte();
GFXpal[i].G = reader.ReadByte();
GFXpal[i].B = reader.ReadByte();
cp.Entries[i] = Color.FromArgb(255, GFXpal[i].R, GFXpal[i].G, GFXpal[i].B);
}
gfxImage.Palette = cp;
//Read Image Data
byte[] buf = new byte[3];
bool finished = false;
int cnt = 0;
int loop = 0;
data = new byte[(width * height) + 1];
while (!finished)
{
buf[0] = reader.ReadByte();
if (buf[0] == 255)
{
buf[1] = reader.ReadByte();
if (buf[1] == 255)
{
finished = true;
break;
}
else
{
buf[2] = reader.ReadByte();
loop = 0;
// Repeat value needs to decreased by one to decode
// the graphics from the Dreamcast demo
if (dcGFX)
{
buf[2]--;
}
while (loop < buf[2] && !reader.IsEof)
{
data[cnt++] = buf[1];
loop++;
}
}
}
else
{
data[cnt++] = buf[0];
}
}
//Console.Write("file Length = " + reader.BaseStream.Length + " file pos = " + reader.Pos + " data remaining = " + (reader.BaseStream.Length - reader.Pos));
// Write data to image
int pixel = 0;
for (int h = 0; h < height; h++)
{
for (int w = 0; w < width; w++)
{
BitmapData ImgData = gfxImage.LockBits(new Rectangle(new Point(w, h), new Size(1, 1)), System.Drawing.Imaging.ImageLockMode.ReadWrite, System.Drawing.Imaging.PixelFormat.Format8bppIndexed);
byte b = System.Runtime.InteropServices.Marshal.ReadByte(ImgData.Scan0);
System.Runtime.InteropServices.Marshal.WriteByte(ImgData.Scan0, (data[pixel]));
gfxImage.UnlockBits(ImgData);
pixel++;
}
}
reader.Close();
}
public void read(Reader reader, bool skipHeader = false, int clrCnt = 0x80)
{
#region Header
if (!skipHeader)
{
reader.seek(6, System.IO.SeekOrigin.Begin); // GIF89a
width = reader.ReadByte();
width |= (ushort)(reader.ReadByte() << 8);
height = reader.ReadByte();
height |= (ushort)(reader.ReadByte() << 8);
byte info = reader.ReadByte(); // Palette Size
clrCnt = (info & 0x7) + 1;
if (clrCnt > 0)
{
clrCnt = 1 << clrCnt;
}
reader.ReadByte(); // background colour index
reader.ReadByte(); // unused
if (clrCnt != 0x100)
{
throw new Exception("RSDK-Formatted Gif files must use 256 colours!");
}
}
for (int c = 0; c < clrCnt; ++c)
{
palette[c].R = reader.ReadByte();
palette[c].G = reader.ReadByte();
palette[c].B = reader.ReadByte();
}
#endregion
#region Blocks
byte blockType = reader.ReadByte();
while (blockType != 0 && blockType != ';')
{
switch (blockType)
{
default: // Unknown
Console.WriteLine($"Unknown Block Type ({blockType})");
break;
case (byte)'!': // Extension
{
byte extensionType = reader.ReadByte();
switch (extensionType)
{
case 0xF9: // Graphics Control Extension
{
int blockSize = reader.ReadByte();
byte disposalFlag = reader.ReadByte();
ushort frameDelay = reader.ReadUInt16();
byte transparentIndex = reader.ReadByte();
reader.ReadByte(); // terminator
}
break;
case 0x01: // Plain Text Extension
case 0xFE: // Comment Extension
case 0xFF: // Application Extension
{
int blockSize = reader.ReadByte();
while (blockSize != 0)
{
// Read block
reader.BaseStream.Position += blockSize;
blockSize = reader.ReadByte(); // next block Size, if its 0 we know its the end of block
}
}
break;
default: // Unknown
Console.WriteLine($"Unknown Extension Type ({extensionType})");
return;
}
}
break;
case (byte)',': // Image descriptor
{
int left = reader.ReadUInt16();
int top = reader.ReadUInt16();
int right = reader.ReadUInt16();
int bottom = reader.ReadUInt16();
byte info2 = reader.ReadByte();
bool interlaced = (info2 & 0x40) != 0;
if (info2 >> 7 == 1)
{
for (int c = 0x80; c < 0x100; ++c)
{
palette[c].R = reader.ReadByte();
palette[c].G = reader.ReadByte();
palette[c].B = reader.ReadByte();
}
}
readPictureData(width, height, interlaced, reader);
}
break;
}
blockType = reader.ReadByte();
}
#endregion
if (!skipHeader)
{
reader.Close();
}
}
public Scene(Reader reader)
{
Title = reader.ReadRSDKString();
//Console.WriteLine(Title);
byte[] buffer = new byte[5];
ActiveLayer0 = reader.ReadByte();
ActiveLayer1 = reader.ReadByte();
ActiveLayer2 = reader.ReadByte();
ActiveLayer3 = reader.ReadByte();
Midpoint = reader.ReadByte();
reader.Read(buffer, 0, 2); //Read size
width = 0; height = 0;
// Map width in 128 pixel units
// In RSDKv2, it's one byte long
width = buffer[0];
height = buffer[1];
MapLayout = new ushort[height][];
for (int i = 0; i < height; i++)
{
MapLayout[i] = new ushort[width];
}
for (int y = 0; y < height; y++)
{
for (int x = 0; x < width; x++)
{
// 128x128 Block number is 16-bit
// Big-Endian in RSDKv2 and RSDKv3
reader.Read(buffer, 0, 2); //Read size
MapLayout[y][x] = (ushort)(buffer[1] + (buffer[0] << 8));
}
}
// Read number of object types, Only RSDKv1 and RSDKv2 support this feature
int ObjTypeCount = reader.ReadByte();
for (int n = 0; n < ObjTypeCount; n++)
{
string name = reader.ReadRSDKString();
objectTypeNames.Add(name);
}
// Read object data
int ObjCount = 0;
// 2 bytes, big-endian, unsigned
ObjCount = reader.ReadByte() << 8;
ObjCount |= reader.ReadByte();
Object.cur_id = 0;
for (int n = 0; n < ObjCount; n++)
{
// Add object
objects.Add(new Object(reader));
}
reader.Close();
}