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Remove BinaryReader from VqaReader.

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This commit is contained in:
Paul Chote
2013-05-31 20:01:10 +12:00
parent 6d8df80664
commit edf604e080
1 changed files with 58 additions and 60 deletions
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118
OpenRA.FileFormats/Graphics/VqaReader.cs
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@@ -46,67 +46,66 @@ namespace OpenRA.FileFormats
public byte[] AudioData { get { return audioData; } } public byte[] AudioData { get { return audioData; } }
public int CurrentFrame { get { return currentFrame; } } public int CurrentFrame { get { return currentFrame; } }
public VqaReader( Stream stream ) public VqaReader(Stream stream)
{ {
this.stream = stream; this.stream = stream;
BinaryReader reader = new BinaryReader( stream );
// Decode FORM chunk // Decode FORM chunk
if (new String(reader.ReadChars(4)) != "FORM") if (stream.ReadASCII(4) != "FORM")
throw new InvalidDataException("Invalid vqa (invalid FORM section)"); throw new InvalidDataException("Invalid vqa (invalid FORM section)");
/*var length = */ reader.ReadUInt32(); /*var length = */ stream.ReadUInt32();
if (new String(reader.ReadChars(8)) != "WVQAVQHD") if (stream.ReadASCII(8) != "WVQAVQHD")
throw new InvalidDataException("Invalid vqa (not WVQAVQHD)"); throw new InvalidDataException("Invalid vqa (not WVQAVQHD)");
/* var length = */reader.ReadUInt32(); /* var length = */stream.ReadUInt32();
/*var version = */reader.ReadUInt16(); /*var version = */stream.ReadUInt16();
/*var flags = */reader.ReadUInt16(); /*var flags = */stream.ReadUInt16();
Frames = reader.ReadUInt16(); Frames = stream.ReadUInt16();
Width = reader.ReadUInt16(); Width = stream.ReadUInt16();
Height = reader.ReadUInt16(); Height = stream.ReadUInt16();
blockWidth = reader.ReadByte(); blockWidth = stream.ReadUInt8();
blockHeight = reader.ReadByte(); blockHeight = stream.ReadUInt8();
Framerate = reader.ReadByte(); Framerate = stream.ReadUInt8();
cbParts = reader.ReadByte(); cbParts = stream.ReadUInt8();
blocks = new int2(Width / blockWidth, Height / blockHeight); blocks = new int2(Width / blockWidth, Height / blockHeight);
numColors = reader.ReadUInt16(); numColors = stream.ReadUInt16();
/*var maxBlocks = */reader.ReadUInt16(); /*var maxBlocks = */stream.ReadUInt16();
/*var unknown1 = */reader.ReadUInt16(); /*var unknown1 = */stream.ReadUInt16();
/*var unknown2 = */reader.ReadUInt32(); /*var unknown2 = */stream.ReadUInt32();
// Audio // Audio
/*var freq = */reader.ReadUInt16(); /*var freq = */stream.ReadUInt16();
/*var channels = */reader.ReadByte(); /*var channels = */stream.ReadByte();
/*var bits = */reader.ReadByte(); /*var bits = */stream.ReadByte();
/*var unknown3 = */reader.ReadChars(14); /*var unknown3 = */stream.ReadBytes(14);
var frameSize = Exts.NextPowerOf2(Math.Max(Width, Height));
var frameSize = Exts.NextPowerOf2(Math.Max(Width,Height));
cbf = new byte[Width*Height]; cbf = new byte[Width*Height];
cbp = new byte[Width*Height]; cbp = new byte[Width*Height];
palette = new uint[numColors]; palette = new uint[numColors];
origData = new byte[2*blocks.X*blocks.Y]; origData = new byte[2*blocks.X*blocks.Y];
frameData = new uint[frameSize,frameSize]; frameData = new uint[frameSize, frameSize];
var type = new String(reader.ReadChars(4)); var type = stream.ReadASCII(4);
if (type != "FINF") if (type != "FINF")
{ {
reader.ReadBytes(27); stream.Seek(27, SeekOrigin.Current);
type = new String(reader.ReadChars(4)); type = stream.ReadASCII(4);
} }
/*var length = */reader.ReadUInt16(); /*var length = */stream.ReadUInt16();
/*var unknown4 = */reader.ReadUInt16(); /*var unknown4 = */stream.ReadUInt16();
// Frame offsets // Frame offsets
offsets = new UInt32[Frames]; offsets = new UInt32[Frames];
for (int i = 0; i < Frames; i++) for (int i = 0; i < Frames; i++)
{ {
offsets[i] = reader.ReadUInt32(); offsets[i] = stream.ReadUInt32();
if (offsets[i] > 0x40000000) offsets[i] -= 0x40000000; if (offsets[i] > 0x40000000)
offsets[i] -= 0x40000000;
offsets[i] <<= 1; offsets[i] <<= 1;
} }
@@ -130,28 +129,28 @@ namespace OpenRA.FileFormats
for (var i = 0; i < Frames; i++) for (var i = 0; i < Frames; i++)
{ {
stream.Seek(offsets[i], SeekOrigin.Begin); stream.Seek(offsets[i], SeekOrigin.Begin);
BinaryReader reader = new BinaryReader(stream);
var end = (i < Frames - 1) ? offsets[i + 1] : stream.Length; var end = (i < Frames - 1) ? offsets[i + 1] : stream.Length;
while (reader.BaseStream.Position < end) while (stream.Position < end)
{ {
var type = new String(reader.ReadChars(4)); var type = stream.ReadASCII(4);
var length = int2.Swap(reader.ReadUInt32()); var length = int2.Swap(stream.ReadUInt32());
switch (type) switch (type)
{ {
case "SND0": case "SND0":
case "SND2": case "SND2":
var rawAudio = reader.ReadBytes((int)length); var rawAudio = stream.ReadBytes((int)length);
ms.Write(rawAudio); ms.Write(rawAudio);
compressed = (type == "SND2"); compressed = (type == "SND2");
break; break;
default: default:
reader.ReadBytes((int)length); stream.ReadBytes((int)length);
break; break;
} }
if (reader.PeekChar() == 0) reader.ReadByte(); // Chunks are aligned on even bytes; advance by a byte if the next one is null
if (stream.Peek() == 0) stream.ReadByte();
} }
} }
@@ -171,48 +170,47 @@ namespace OpenRA.FileFormats
// Seek to the start of the frame // Seek to the start of the frame
stream.Seek(offsets[currentFrame], SeekOrigin.Begin); stream.Seek(offsets[currentFrame], SeekOrigin.Begin);
BinaryReader reader = new BinaryReader(stream);
var end = (currentFrame < Frames - 1) ? offsets[currentFrame+1] : stream.Length; var end = (currentFrame < Frames - 1) ? offsets[currentFrame+1] : stream.Length;
while(reader.BaseStream.Position < end) while (stream.Position < end)
{ {
var type = new String(reader.ReadChars(4)); var type = stream.ReadASCII(4);
var length = int2.Swap(reader.ReadUInt32()); var length = int2.Swap(stream.ReadUInt32());
switch(type) switch(type)
{ {
case "VQFR": case "VQFR":
DecodeVQFR(reader); DecodeVQFR(stream);
break; break;
default: default:
// Don't parse sound here. // Don't parse sound here.
reader.ReadBytes((int)length); stream.ReadBytes((int)length);
break; break;
} }
// Chunks are aligned on even bytes; advance by a byte if the next one is null // Chunks are aligned on even bytes; advance by a byte if the next one is null
if (reader.PeekChar() == 0) reader.ReadByte(); if (stream.Peek() == 0) stream.ReadByte();
} }
} }
// VQA Frame // VQA Frame
public void DecodeVQFR(BinaryReader reader) public void DecodeVQFR(Stream s)
{ {
while(true) while (true)
{ {
// Chunks are aligned on even bytes; may be padded with a single null // Chunks are aligned on even bytes; may be padded with a single null
if (reader.PeekChar() == 0) reader.ReadByte(); if (s.Peek() == 0) s.ReadByte();
var type = new String(reader.ReadChars(4)); var type = s.ReadASCII(4);
int subchunkLength = (int)int2.Swap(reader.ReadUInt32()); int subchunkLength = (int)int2.Swap(s.ReadUInt32());
switch(type) switch(type)
{ {
// Full frame-modifier // Full frame-modifier
case "CBFZ": case "CBFZ":
Format80.DecodeInto( reader.ReadBytes(subchunkLength), cbf ); Format80.DecodeInto(s.ReadBytes(subchunkLength), cbf);
break; break;
case "CBF0": case "CBF0":
cbf = reader.ReadBytes(subchunkLength); cbf = s.ReadBytes(subchunkLength);
break; break;
// frame-modifier chunk // frame-modifier chunk
@@ -224,12 +222,12 @@ namespace OpenRA.FileFormats
if (type == "CBP0") if (type == "CBP0")
cbf = (byte[])cbp.Clone(); cbf = (byte[])cbp.Clone();
else else
Format80.DecodeInto( cbp, cbf ); Format80.DecodeInto(cbp, cbf);
cbOffset = cbChunk = 0; cbOffset = cbChunk = 0;
} }
var bytes = reader.ReadBytes(subchunkLength); var bytes = s.ReadBytes(subchunkLength);
bytes.CopyTo(cbp,cbOffset); bytes.CopyTo(cbp,cbOffset);
cbOffset += subchunkLength; cbOffset += subchunkLength;
cbChunk++; cbChunk++;
@@ -239,16 +237,16 @@ namespace OpenRA.FileFormats
case "CPL0": case "CPL0":
for (int i = 0; i < numColors; i++) for (int i = 0; i < numColors; i++)
{ {
byte r = (byte)(reader.ReadByte() << 2); byte r = (byte)(s.ReadUInt8() << 2);
byte g = (byte)(reader.ReadByte() << 2); byte g = (byte)(s.ReadUInt8() << 2);
byte b = (byte)(reader.ReadByte() << 2); byte b = (byte)(s.ReadUInt8() << 2);
palette[i] = (uint)((255 << 24) | (r << 16) | (g << 8) | b); palette[i] = (uint)((255 << 24) | (r << 16) | (g << 8) | b);
} }
break; break;
// Frame data // Frame data
case "VPTZ": case "VPTZ":
Format80.DecodeInto( reader.ReadBytes(subchunkLength), origData ); Format80.DecodeInto(s.ReadBytes(subchunkLength), origData);
// This is the last subchunk // This is the last subchunk
return; return;
default: default: