public override Resource LoadResourceData(ScummBinaryReader reader, string resourceId, IDictionary <string, object> parameters)
{
ScummString scummString = new ScummString(resourceId);
var data = new List <byte>();
byte b;
b = reader.ReadByte();
while (b != 0x00)
{
data.Add(b);
b = reader.ReadByte();
if (b == 0xFF)
{
for (int i = 0; i < 3; ++i)
{
b = reader.ReadByte();
data.Add(b);
}
}
}
scummString.Stream = new string(System.Text.Encoding.GetEncoding("IBM437").GetChars(data.ToArray()));
return(scummString);
}
public override Resource LoadResourceData(ScummBinaryReader reader, string resourceId, IDictionary <string, object> parameters)
{
reader.FindDataBlockNoInfo("OBIM");
// read header
uint blockSize = reader.FindDataBlock("IMHD");
UInt16 id = reader.ReadUInt16();
var obj = ResourceManager.FindObject(id);
UInt16 numImages = reader.ReadUInt16();
UInt16 numZs = reader.ReadUInt16();
Byte flags = reader.ReadByte();
Byte unknown = reader.ReadByte();
UInt16 x = reader.ReadUInt16();
UInt16 y = reader.ReadUInt16();
UInt16 width = reader.ReadUInt16();
UInt16 height = reader.ReadUInt16();
obj.Position = new Vector2(x, y);
obj.Image = new Image(width, height);
var roomPalette = (Color[])parameters["RoomPalette"];
for (int i = 0; i < numImages; ++i)
{
string blockName = String.Format("IM{0:X2}", i + 1);
if (reader.FindDataBlock(blockName) == 0)
{
throw new InvalidOperationException("Could not find image block.");
}
ReadImageDataBlock(reader, obj.Image, roomPalette);
}
return(obj.Image);
}
public override Resource LoadResourceData(ScummBinaryReader reader, string resourceId, IDictionary <string, object> parameters)
{
Verb verb = new Verb(resourceId);
int length = 0;
byte b = 0xFF;
while (b != 0x00)
{
b = reader.ReadByte();
verb.Stream = verb.Stream + (char)b;
++length;
if (b == 0xFF)
{
for (int i = 0; i < 3; ++i)
{
byte c = reader.ReadByte();
verb.Stream = verb.Stream + (char)c;
++length;
}
}
}
return(verb);
}
public BoxdBlock Read(ScummBlockHeader header, ScummBinaryReader reader)
{
var numBlocks = reader.ReadUInt16();
var boxList = new List <BoxdBlock.Box>();
for (int i = 0; i < numBlocks; i++)
{
var box = new BoxdBlock.Box()
{
UpperLeftX = reader.ReadUInt16(),
UpperLeftY = reader.ReadUInt16(),
UpperRightX = reader.ReadUInt16(),
UpperRightY = reader.ReadUInt16(),
LowerRightX = reader.ReadUInt16(),
LowerRightY = reader.ReadUInt16(),
LowerLeftX = reader.ReadUInt16(),
LowerLeftY = reader.ReadUInt16(),
Mask = reader.ReadByte(),
Flags = reader.ReadByte(),
Scale = reader.ReadUInt16()
};
boxList.Add(box);
}
var result = new BoxdBlock
{
Header = header,
BoxList = boxList
};
return(result);
}
public BoxdBlock Read(ScummBlockHeader header, ScummBinaryReader reader)
{
var numBlocks = reader.ReadUInt16();
var boxList = new List<BoxdBlock.Box>();
for (int i = 0; i < numBlocks; i++)
{
var box = new BoxdBlock.Box()
{
UpperLeftX = reader.ReadUInt16(),
UpperLeftY = reader.ReadUInt16(),
UpperRightX = reader.ReadUInt16(),
UpperRightY = reader.ReadUInt16(),
LowerRightX = reader.ReadUInt16(),
LowerRightY = reader.ReadUInt16(),
LowerLeftX = reader.ReadUInt16(),
LowerLeftY = reader.ReadUInt16(),
Mask = reader.ReadByte(),
Flags = reader.ReadByte(),
Scale = reader.ReadUInt16()
};
boxList.Add(box);
}
var result = new BoxdBlock
{
Header = header,
BoxList = boxList
};
return result;
}
public override Resource LoadResourceData(ScummBinaryReader reader, string resourceId, IDictionary <string, object> parameters)
{
reader.FindDataBlockNoInfo("OBCD");
// read header
uint blockSize = reader.FindDataBlock("CDHD");
UInt16 id = reader.ReadUInt16();
var obj = ResourceManager.FindObject(id);
var data = reader.ReadBytes((int)blockSize - 10);
// read verb block
blockSize = reader.FindDataBlock("VERB");
long verbPos = reader.BaseStream.Position - 8;
// read verbs and offsets
byte[] verbs = new byte[100];
UInt16[] offsets = new UInt16[100];
int totalVerbs = 0;
verbs[totalVerbs] = reader.ReadByte();
while (verbs[totalVerbs] != 0)
{
offsets[totalVerbs] = reader.ReadUInt16();
verbs[++totalVerbs] = reader.ReadByte();
}
// final offset found reading the next block - needed for blocksize
reader.FindDataBlockNoInfo("OBNA");
long endPos = reader.BaseStream.Position - 8;
// read object name
byte a = reader.ReadByte();
while (a != 0)
{
obj.Name += (char)a;
a = reader.ReadByte();
}
long backupPos = reader.BaseStream.Position;
// load verb scripts
for (int i = 0; i < totalVerbs; ++i)
{
long startPos = verbPos + offsets[i];
uint size = (uint)(endPos - startPos);
obj.VerbScript[verbs[i]] =
(ScriptV5)resourceManager.Load <Script>("SCRP", id, reader, new Dictionary <string, object>()
{
{ "Position", startPos }, { "Blocksize", size }
});
}
reader.BaseStream.Position = backupPos;
return(obj);
}
public BoxmBlock Read(ScummBlockHeader header, ScummBinaryReader reader)
{
var pathList = new List<List<byte>>();
long endIndex = reader.BaseStream.Position + header.ContentLength;
List<byte> path = null;
while (reader.BaseStream.Position < endIndex)
{
if (path == null)
path = new List<byte>();
var curByte = reader.ReadByte();
if (curByte != 0xff)
{
path.Add(curByte);
}
else
{
pathList.Add(path);
path = null;
}
}
return new BoxmBlock
{
Header = header,
AllPossibleBlockPaths = pathList
};
}
public VerbBlock Read(ScummBlockHeader header, ScummBinaryReader reader)
{
//var bytes = reader.ReadBytes(100).Select(x => (char) x);
List<VerbBlock.VerbEntry> verbEntries = new List<VerbBlock.VerbEntry>();
while (true)
{
var verb = reader.ReadByte();
if (verb == 0)
break;
verbEntries.Add(new VerbBlock.VerbEntry
{
Verb = verb,
Offset = reader.ReadUInt16()
});
}
uint endIndex = header.ContentLength;
foreach (var verb in verbEntries.OrderByDescending(x => x.Offset))
{
verb.Length = endIndex - (verb.Offset - 8);
verb.Content = reader.ReadBytes((int)verb.Length);
endIndex = (uint)(verb.Offset - 8);
}
var result = new VerbBlock
{
Header = header,
VerbEntries = verbEntries
};
return result;
}
public BoxmBlock Read(ScummBlockHeader header, ScummBinaryReader reader)
{
var pathList = new List <List <byte> >();
long endIndex = reader.BaseStream.Position + header.ContentLength;
List <byte> path = null;
while (reader.BaseStream.Position < endIndex)
{
if (path == null)
{
path = new List <byte>();
}
var curByte = reader.ReadByte();
if (curByte != 0xff)
{
path.Add(curByte);
}
else
{
pathList.Add(path);
path = null;
}
}
return(new BoxmBlock
{
Header = header,
AllPossibleBlockPaths = pathList
});
}
public ScummBlock Read(ScummBinaryReader reader)
{
var header = reader.ReadBlockHeader();
var numRooms = reader.ReadByte();
return new LoffBlock
{
Header = header,
NumRooms = numRooms,
RoomOffsets = ReadRoomOffsets(reader, numRooms)
};
}
public ScummBlock Read(ScummBinaryReader reader)
{
var header = reader.ReadBlockHeader();
var numRooms = reader.ReadByte();
return(new LoffBlock
{
Header = header,
NumRooms = numRooms,
RoomOffsets = ReadRoomOffsets(reader, numRooms)
});
}
private static List<LoffBlock.RoomOffset> ReadRoomOffsets(ScummBinaryReader reader, byte numRooms)
{
var result = new List<LoffBlock.RoomOffset>();
for (int i = 0; i < numRooms; i++)
{
var offset = new LoffBlock.RoomOffset
{
RoomId = reader.ReadByte(),
Offset = reader.ReadUInt32()
};
result.Add(offset);
}
return result;
}
private byte[] DecodeUnkCStripe(ScummBinaryReader reader, byte codingShift, int stripHeight, Color[] roomPalette)
{
var data = new byte[32 * stripHeight];
var color = (int)reader.ReadByte();
var stripePixelsLeft = 8 * stripHeight;
var pixelIndex = 0;
int inc = -1;
while (stripePixelsLeft > 0)
{
var x = pixelIndex / stripHeight;
var y = pixelIndex % stripHeight;
var pixelAddress = y * 32 + x * 4;
data[pixelAddress] = roomPalette[color].R;
data[pixelAddress + 1] = roomPalette[color].G;
data[pixelAddress + 2] = roomPalette[color].B;
data[pixelAddress + 3] = 255;
stripePixelsLeft--;
pixelIndex++;
if (reader.ReadBit() > 0)
{
if (reader.ReadBit() == 0)
{
color = reader.ReadBits(codingShift);
inc = -1;
}
else
{
if (reader.ReadBit() > 0)
{
inc = -inc;
}
color += inc;
}
}
}
reader.ResetBitCursor();
return(data);
}
private static List <LoffBlock.RoomOffset> ReadRoomOffsets(ScummBinaryReader reader, byte numRooms)
{
var result = new List <LoffBlock.RoomOffset>();
for (int i = 0; i < numRooms; i++)
{
var offset = new LoffBlock.RoomOffset
{
RoomId = reader.ReadByte(),
Offset = reader.ReadUInt32()
};
result.Add(offset);
}
return(result);
}
public override Resource LoadResourceData(ScummBinaryReader reader, string resourceId, IDictionary <string, object> parameters)
{
uint blockSize;
if (!parameters.ContainsKey("Type") && !parameters.ContainsKey("Position"))
{
blockSize = reader.FindDataBlock("SCRP");
}
else
{
if (parameters.ContainsKey("Type"))
{
blockSize = reader.FindDataBlock((string)parameters["Type"]);
if ((string)parameters["Type"] == "LSCR")
{
byte id = reader.ReadByte();
resourceId = String.Format("LSCRP_{0}", id);
--blockSize;
}
else if ((string)parameters["Type"] == "EXCD")
{
resourceId = String.Format("SCRP_{0}", 10001);
}
else if ((string)parameters["Type"] == "ENCD")
{
resourceId = String.Format("SCRP_{0}", 10002);
}
}
else
{
reader.BaseStream.Position = (long)parameters["Position"];
blockSize = (uint)parameters["Blocksize"];
blockSize += 8;
}
}
// Read script Header information
if (blockSize == 0)
{
throw new InvalidOperationException("Could not find the script header block.");
}
// Read the opcode blocks
var data = reader.ReadBytes((int)blockSize - 8);
var script = new ScriptV5(resourceId, data, scriptManager, resourceManager, sceneManager, scummState, this.logFile);
return(script);
}
private ResourceIndexEntry[] ReadResourceReferenceList(ScummBinaryReader reader, ref ushort itemsCount)
{
itemsCount = reader.ReadUInt16();
var resourceReferenceList = new ResourceIndexEntry[itemsCount];
var roomIdList = new byte[itemsCount];
for (int i = 0; i < itemsCount; i++)
{
roomIdList[i] = reader.ReadByte();
}
for (int i = 0; i < itemsCount; i++)
{
var resourceOffset = reader.ReadUInt32();
resourceReferenceList[i] = new ResourceIndexEntry(roomIdList[i], resourceOffset);
}
return(resourceReferenceList);
}
public VerbBlock Read(ScummBlockHeader header, ScummBinaryReader reader)
{
//var bytes = reader.ReadBytes(100).Select(x => (char) x);
List <VerbBlock.VerbEntry> verbEntries = new List <VerbBlock.VerbEntry>();
while (true)
{
var verb = reader.ReadByte();
if (verb == 0)
{
break;
}
verbEntries.Add(new VerbBlock.VerbEntry
{
Verb = verb,
Offset = reader.ReadUInt16()
});
}
uint endIndex = header.ContentLength;
foreach (var verb in verbEntries.OrderByDescending(x => x.Offset))
{
verb.Length = endIndex - (verb.Offset - 8);
verb.Content = reader.ReadBytes((int)verb.Length);
endIndex = (uint)(verb.Offset - 8);
}
var result = new VerbBlock
{
Header = header,
VerbEntries = verbEntries
};
return(result);
}
private CostumeAnimation LoadAnimation(ScummBinaryReader reader, string resourceId, int animationIndex, long startOffset, ushort[] animationOffsets, ushort[] limbOffsets, ushort animationCommandOffset, byte[] palette, Color[] roomPalette, bool containsRedirection, bool mirror)
{
if (animationOffsets[animationIndex] == 0)
{
return(null);
}
reader.BaseStream.Position = startOffset + animationOffsets[animationIndex];
var costumeAnimation = new CostumeAnimation();
costumeAnimation.IsMirrored = mirror;
var currentFrameIndex = 0;
var framesCount = 0;
var startAnimationPosition = reader.BaseStream.Position;
while (currentFrameIndex < framesCount || currentFrameIndex == 0)
{
var mask = reader.ReadUInt16();
var costumeFrame = new CostumeFrame();
var imageData = new LayeredImageData();
var i = 0;
do
{
if ((mask & 0x8000) != 0)
{
var startAnimationCommandOffset = reader.ReadUInt16();
if (startAnimationCommandOffset != 0xFFFF)
{
var flags = reader.ReadByte();
var loop = flags & 0x8000;
var endFrame = flags & 0x7F;
if (currentFrameIndex == 0 && framesCount == 0)
{
framesCount = Math.Max(framesCount, endFrame) + 1;
}
var oldStreamPosition = reader.BaseStream.Position;
reader.BaseStream.Position = startOffset + animationCommandOffset + startAnimationCommandOffset + Math.Min(currentFrameIndex, endFrame);
var animationCommandValue = reader.ReadByte();
if (animationCommandValue == 0x71)
{
// TODO: Handle special commands (sounds, etc.)
}
else if (animationCommandValue == 0x7A)
{
// TODO: Implement start command
}
else if (animationCommandValue == 0x79)
{
// TODO: Implement stopped command
}
else
{
reader.BaseStream.Position = startOffset + limbOffsets[i] + animationCommandValue * 2;
var pictOffset = reader.ReadUInt16();
reader.BaseStream.Position = startOffset + pictOffset;
var width = reader.ReadUInt16();
var height = reader.ReadUInt16();
var relativeX = reader.ReadInt16();
var relativeY = reader.ReadInt16();
var movementX = reader.ReadInt16();
var movementY = reader.ReadInt16();
if (containsRedirection)
{
var redirectionLimb = reader.ReadByte();
var redirectionPict = reader.ReadByte();
}
imageData.CreateLayer(width, height, new Vector2(relativeX, relativeY));
DecodeImageData(reader, imageData, width, height, palette, roomPalette);
}
reader.BaseStream.Position = oldStreamPosition;
}
}
mask = (ushort)(mask << 1);
i++;
} while ((mask & 0xFFFF) != 0);
costumeFrame.FrameType = CostumeFrameType.Frame;
// TODO: Fill offset and movement vector
var textureData = imageData.GetBytes();
costumeFrame.Data = new Microsoft.Xna.Framework.Graphics.Texture2D(this.graphicsDevice, imageData.Width, imageData.Height, false, Microsoft.Xna.Framework.Graphics.SurfaceFormat.Color);
costumeFrame.Data.SetData(textureData);
costumeAnimation.Frames.Add(costumeFrame);
if (!Directory.Exists("DebugAnims\\" + resourceId))
{
Directory.CreateDirectory("DebugAnims\\" + resourceId);
}
costumeFrame.Data.SaveAsPng(File.Create(string.Format("DebugAnims\\" + resourceId + "\\Anim{0}_{1}.png", animationIndex, currentFrameIndex)), costumeFrame.Data.Width, costumeFrame.Data.Height);
reader.BaseStream.Position = startAnimationPosition;
currentFrameIndex++;
}
return(costumeAnimation);
}
private void DecodeImageData(ScummBinaryReader reader, LayeredImageData imageData, int width, int height, byte[] palette, Color[] roomPalette)
{
byte shift;
byte mask;
if (palette.Length == 16)
{
shift = 4;
mask = 0xF;
}
else
{
shift = 3;
mask = 0x7;
}
int x = 0;
int y = 0;
bool end = false;
while (end == false)
{
var rep = reader.ReadByte();
var colorPaletteIndex = (byte)(rep >> shift);
Color color = Color.Black;
var roomColor = roomPalette[palette[colorPaletteIndex]];
color.R = roomColor.R;
color.G = roomColor.G;
color.B = roomColor.B;
rep &= mask;
if (rep == 0)
{
rep = reader.ReadByte();
}
while (rep > 0)
{
if (colorPaletteIndex != 0)
{
imageData.SetPixel(x, y, color);
}
rep--;
y++;
if (y >= height)
{
y = 0;
x++;
if (x >= width)
{
end = true;
}
}
}
}
}
public override Resource LoadResourceData(ScummBinaryReader reader, string resourceId, IDictionary <string, object> parameters)
{
// TODO: If the anim is mirrored, point to the same textures and do a matrix transform while rendering the costume
var costume = new Costume(resourceId);
// Read Room Header information
if (reader.FindDataBlock("COST") == 0)
{
throw new InvalidOperationException("Could not find the costume header block.");
}
reader.BaseStream.Position -= 6;
var startOffset = reader.BaseStream.Position;
var size = reader.ReadUInt32();
var test = ((char)reader.ReadByte()).ToString() + ((char)reader.ReadByte()).ToString();
var animationsCount = reader.ReadByte();
var format = reader.ReadByte();
var paletteSize = ((format & 0x7F) == 0x58 || (format & 0x7F) == 0x60) ? 16 : 32;
var containsRedirection = ((format & 0x7E) == 0x60);
var mirrorWestPositions = (format & 0x80) == 0;
// TODO: Decode bit 7
// TODO : Read the full palette
var palette = new byte[paletteSize];
for (int i = 0; i < paletteSize; i++)
{
palette[i] = reader.ReadByte();
}
var animationCommandOffset = reader.ReadUInt16();
// Read limb offsets
var limbOffsets = new ushort[16];
for (int i = 0; i < 16; i++)
{
limbOffsets[i] = reader.ReadUInt16();
}
// Read animation offsets
var animationOffsets = new ushort[animationsCount];
for (int i = 0; i < animationOffsets.Length; i++)
{
animationOffsets[i] = reader.ReadUInt16();
}
// Load the room palette associated with the costume
// (huge hack - I have no idea what to do when room is 0)
if ((byte)parameters["RoomId"] == 0)
{
parameters["RoomId"] = (byte)10;
}
var roomPalette = this.resourceManager.Load <Room>("ROOM", (byte)parameters["RoomId"]).Palette;
for (int i = 4; i < animationsCount; i++)
{
try
{
var animation = LoadAnimation(reader, resourceId, i, startOffset, animationOffsets, limbOffsets, animationCommandOffset, palette, roomPalette, containsRedirection, (i % 4) == 0 && mirrorWestPositions);
costume.Animations.Add(animation);
}
// TODO: Remove the empty catch later
catch { }
}
return(costume);
}
public override Resource LoadResourceData(ScummBinaryReader reader, string resourceId, IDictionary <string, object> parameters)
{
var charset = new Charset(resourceId);
uint blockSize = reader.FindDataBlock("CHAR");
if (blockSize == 0)
{
throw new InvalidOperationException("Could not find the script header block.");
}
// Load the room palette associated with the charset
// (huge hack - I have no idea what to do when room is 0)
if ((byte)parameters["RoomId"] == 0)
{
parameters["RoomId"] = (byte)10;
}
long keepPos = reader.BaseStream.Position;
var roomPalette = this.resourceManager.Load <Room>("ROOM", (byte)parameters["RoomId"]).Palette;
reader.BaseStream.Position = keepPos;
// Read charset header information
var unknown = reader.ReadBytes(6);
byte[] colormap = new byte[16];
colormap[0] = 0;
for (int i = 0; i < 15; ++i)
{
colormap[i + 1] = reader.ReadByte();
}
long initPosition = reader.BaseStream.Position;
byte numBitsPerPixel = reader.ReadByte();
byte bitMask = (byte)(0xFF << (8 - numBitsPerPixel));
byte fontHeight = reader.ReadByte();
short numChars = reader.ReadInt16();
uint[] offsets = new uint[numChars];
for (int i = 0; i < numChars; ++i)
{
offsets[i] = reader.ReadUInt32();
}
// Read each char
for (int i = 0; i < numChars; ++i)
{
if (offsets[i] == 0)
{
continue;
}
reader.BaseStream.Position = initPosition + offsets[i];
charset.Chars[i].width = reader.ReadByte();
charset.Chars[i].height = reader.ReadByte();
// a flag is needed to disable offX
charset.Chars[i].offX = 0; reader.ReadByte();
charset.Chars[i].offY = reader.ReadByte();
charset.Chars[i].pic = new Texture2D(graphicsDevice, charset.Chars[i].width, charset.Chars[i].height);
byte[] bytes = new byte[charset.Chars[i].width * charset.Chars[i].height * 4];
Byte bits = reader.ReadByte();
Byte remainingBits = 8;
for (int y = 0; y < charset.Chars[i].height; ++y)
{
for (int x = 0; x < charset.Chars[i].width; ++x)
{
long colorId = (bits & bitMask) >> (8 - numBitsPerPixel);
long color = colormap[colorId];
byte alpha = 255;
if (colorId == 0)
{
alpha = 0;
}
bytes[(y * charset.Chars[i].width + x) * 4] = roomPalette[color].R;
bytes[(y * charset.Chars[i].width + x) * 4 + 1] = roomPalette[color].G;
bytes[(y * charset.Chars[i].width + x) * 4 + 2] = roomPalette[color].B;
bytes[(y * charset.Chars[i].width + x) * 4 + 3] = alpha;
bits = (byte)(bits << numBitsPerPixel);
remainingBits -= numBitsPerPixel;
if (remainingBits <= 0)
{
bits = reader.ReadByte();
remainingBits = 8;
}
}
}
charset.Chars[i].pic.SetData(bytes);
}
return(charset);
}
private void ReadIndexBlock(ScummBinaryReader reader, string blockType)
{
if (blockType == "RNAM")
{
byte roomId = reader.ReadByte();
while (roomId != 0)
{
var roomNameData = reader.ReadBytes(9);
var roomName = string.Empty;
for (int i = 0; i < roomNameData.Length; i++)
{
roomName += (char)(roomNameData[i] ^ 0xFF);
}
roomId = reader.ReadByte();
}
}
else if (blockType == "MAXS")
{
var variablesCount = reader.ReadUInt16();
// Skip 2 bytes
reader.ReadUInt16();
uint bitVariablesCount = reader.ReadUInt16();
uint localObjectsCount = reader.ReadUInt16();
uint newNamesCount = reader.ReadUInt16();
uint charsetsCount = reader.ReadUInt16();
uint verbsCount = reader.ReadUInt16();
uint arraysCount = reader.ReadUInt16();
uint inventoryObjectsCount = reader.ReadUInt16();
}
else if (blockType == "DROO")
{
// just read, not keeping anything besides roomsCount
ReadResourceReferenceList(reader, ref roomsCount);
}
else if (blockType == "DSCR")
{
this.scriptsIndexList = ReadResourceReferenceList(reader, ref scriptsCount);
}
else if (blockType == "DSOU")
{
this.soundsIndexList = ReadResourceReferenceList(reader, ref soundsCount);
}
else if (blockType == "DCOS")
{
this.costumesIndexList = ReadResourceReferenceList(reader, ref costumesCount);
}
else if (blockType == "DCHR")
{
this.charsetsIndexList = ReadResourceReferenceList(reader, ref charsetsCount);
}
else if (blockType == "DOBJ")
{
uint itemsCount = reader.ReadUInt16();
objects = new Object[itemsCount];
for (int i = 0; i < itemsCount; i++)
{
objects[i] = new Object();
objects[i].Id = (UInt16)i;
objects[i].OwnerState = reader.ReadByte();
}
for (int i = 0; i < itemsCount; i++)
{
objects[i].ClassData = reader.ReadUInt32();
}
}
else if (blockType == "AARY")
{
}
else
{
//throw new InvalidOperationException(string.Format("Cannot read block of type '{0}' in the index file.", blockType));
}
}
private void ReadSMAP(ScummBinaryReader reader, Image image, Color[] roomPalette)
{
var smapStartOffset = reader.BaseStream.Position;
var stripesCount = image.Width / 8;
// Create the texture data array
var textureData = new byte[image.Width * image.Height * 4];
var stripeOffsets = new uint[stripesCount];
// Read the offset table
for (int i = 0; i < stripesCount; i++)
{
var offset = reader.ReadUInt32() - 8;
stripeOffsets[i] = offset;
}
// Read and decode each stripes
for (int i = 0; i < stripesCount; i++)
{
reader.BaseStream.Position = smapStartOffset + stripeOffsets[i];
var stripeHeader = reader.ReadByte();
var codingShift = (byte)(stripeHeader % 10);
var encoderType = stripeHeader / 10;
byte[] decodedData = null;
if (encoderType == (int)EncoderType.UnkAOpaque)
{
decodedData = DecodeUnkAStripe(reader, codingShift, image.Height, roomPalette);
}
else if (encoderType == (int)EncoderType.UnkBOpaque)
{
decodedData = DecodeUnkBStripe(reader, codingShift, image.Height, roomPalette);
}
else if (encoderType == (int)EncoderType.UnkCOpaque)
{
decodedData = DecodeUnkCStripe(reader, codingShift, image.Height, roomPalette);
}
if (decodedData != null)
{
int decodedDataIndex = 0;
for (int j = 0; j < image.Height; j++)
{
for (int k = 0; k < 8; k++)
{
var pixelIndex = i * 32 + j * image.Width * 4 + k * 4;
textureData[pixelIndex] = decodedData[decodedDataIndex];
textureData[pixelIndex + 1] = decodedData[decodedDataIndex + 1];
textureData[pixelIndex + 2] = decodedData[decodedDataIndex + 2];
textureData[pixelIndex + 3] = decodedData[decodedDataIndex + 3];
decodedDataIndex += 4;
}
}
}
}
image.Texture = new Microsoft.Xna.Framework.Graphics.Texture2D(graphicsDevice, image.Width, image.Height, false, Microsoft.Xna.Framework.Graphics.SurfaceFormat.Color);
image.Texture.SetData(textureData);
}
private byte[] DecodeUnkAStripe(ScummBinaryReader reader, byte codingShift, int stripHeight, Color[] roomPalette)
{
var data = new byte[32 * stripHeight];
var color = reader.ReadByte();
var stripePixelsLeft = 8 * stripHeight;
data[0] = roomPalette[color].R;
data[1] = roomPalette[color].G;
data[2] = roomPalette[color].B;
data[3] = 255;
var pixelIndex = 1;
stripePixelsLeft--;
while (stripePixelsLeft > 0)
{
var pixelsCount = 1;
if (reader.ReadBit() > 0)
{
if (reader.ReadBit() == 0)
{
color = reader.ReadBits(codingShift);
}
else
{
var inc = (reader.ReadBits(3) - 4);
if (inc != 0)
{
color += (byte)inc;
}
else
{
pixelsCount = reader.ReadBits(8);
}
}
}
for (int j = 0; j < pixelsCount; j++)
{
var x = pixelIndex % 8;
var y = pixelIndex / 8;
var pixelAddress = y * 32 + x * 4;
data[pixelAddress] = roomPalette[color].R;
data[pixelAddress + 1] = roomPalette[color].G;
data[pixelAddress + 2] = roomPalette[color].B;
data[pixelAddress + 3] = 255;
stripePixelsLeft--;
pixelIndex++;
if (stripePixelsLeft == 0)
{
break;
}
}
}
reader.ResetBitCursor();
return(data);
}
public override Resource LoadResourceData(ScummBinaryReader reader, string resourceId, IDictionary <string, object> parameters)
{
var room = new Room(resourceId);
var roomOffset = (uint)reader.BaseStream.Position;
// Read Room Header information
if (reader.FindDataBlock("RMHD", roomOffset) == 0)
{
throw new InvalidOperationException("Could not find the room header block.");
}
var width = reader.ReadUInt16();
var height = reader.ReadUInt16();
var objectsCount = reader.ReadUInt16();
// Read palette data
if (reader.FindDataBlock("CLUT", roomOffset) == 0)
{
throw new InvalidOperationException("Could not find the room palette block.");
}
// Load only the first palette for now
room.Palette = new Color[256];
for (int i = 0; i < 256; ++i)
{
room.Palette[i].R = reader.ReadByte();
room.Palette[i].G = reader.ReadByte();
room.Palette[i].B = reader.ReadByte();
}
// Read background image
room.BackgroundImage = ResourceManager.Load <Image>("RMIM", new Dictionary <string, object>()
{
{ "Width", (int)width }, { "Height", (int)height }, { "RoomOffset", roomOffset }, { "RoomPalette", room.Palette }
});
room.Objects = new Object[objectsCount];
Image[] images = new Image[objectsCount];
if (objectsCount == 13)
{
objectsCount -= 1;
}
if (objectsCount == 90)
{
objectsCount -= 7;
}
for (int i = 0; i < objectsCount; ++i)
{
ResourceManager.Load <Image>("OBIM", new Dictionary <string, object>()
{
{ "RoomPalette", room.Palette }
});
}
if (objectsCount == 12)
{
objectsCount += 1;
}
if (objectsCount == 83)
{
objectsCount += 7;
}
for (int i = 0; i < objectsCount; ++i)
{
ResourceManager.Load <Object>("OBJC", new Dictionary <string, object>());
}
// Read entry/exit scripts
room.ExitScript = ResourceManager.Load <Script>("SCRP", new Dictionary <string, object>()
{
{ "Type", "EXCD" }
});
room.EntryScript = ResourceManager.Load <Script>("SCRP", new Dictionary <string, object>()
{
{ "Type", "ENCD" }
});
// Read local script
if (reader.FindDataBlock("NLSC") != 0)
{
byte totalLocal = reader.ReadByte();
byte padding = reader.ReadByte();
if (totalLocal != 0)
{
room.Scripts = new Script[totalLocal];
for (int i = 0; i < totalLocal; ++i)
{
room.Scripts[i] = resourceManager.Load <Script>("SCRP", new Dictionary <string, object>()
{
{ "Type", "LSCR" }
});
}
}
}
return(room);
}