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FAST vqa render

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This commit is contained in:
Paul Chote
2010-08-11 19:54:24 +12:00
parent 96f9f33776
commit 514c92a998
5 changed files with 71 additions and 38 deletions
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69
OpenRA.FileFormats/Graphics/VqaReader.cs
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@@ -33,7 +33,7 @@ namespace OpenRA.FileFormats
byte cbParts;
int2 blocks;
UInt32[] offsets;
Color[] palette;
int[] palette;
// Stores a list of subpixels, referenced by the VPTZ chunk
byte[] cbf;
@@ -42,8 +42,11 @@ namespace OpenRA.FileFormats
int cbOffset = 0;
// Top half contains block info, bottom half contains references to cbf array
byte[] framedata;
byte[] origData;
// Final frame output
int[,] frameData;
public VqaReader( Stream stream )
{
this.stream = stream;
@@ -81,12 +84,12 @@ namespace OpenRA.FileFormats
/*var bits = */reader.ReadByte();
/*var unknown3 = */reader.ReadChars(14);
var frameSize = NextPowerOf2(Math.Max(Width,Height));
cbf = new byte[Width*Height];
cbp = new byte[Width*Height];
palette = new Color[numColors];
framedata = new byte[2*blocks.X*blocks.Y];
palette = new int[numColors];
origData = new byte[2*blocks.X*blocks.Y];
frameData = new int[frameSize,frameSize];
// Decode FINF chunk
if (new String(reader.ReadChars(4)) != "FINF")
@@ -187,13 +190,13 @@ namespace OpenRA.FileFormats
byte r = reader.ReadByte();
byte g = reader.ReadByte();
byte b = reader.ReadByte();
palette[i] = Color.FromArgb(255,ToColorByte(r),ToColorByte(g),ToColorByte(b));
palette[i] = Color.FromArgb(255,ToColorByte(r),ToColorByte(g),ToColorByte(b)).ToArgb();
}
break;
// Frame data
case "VPTZ":
Format80.DecodeInto( reader.ReadBytes(subchunkLength), framedata );
Format80.DecodeInto( reader.ReadBytes(subchunkLength), origData );
// This is the last subchunk
return;
default:
@@ -202,29 +205,33 @@ namespace OpenRA.FileFormats
}
}
public void FrameData(ref Bitmap frame)
public int[,] FrameData()
{
var bitmapData = frame.LockBits(new Rectangle(0, 0, Width, Height),
ImageLockMode.ReadWrite, PixelFormat.Format32bppArgb);
unsafe
{
int* c = (int*)bitmapData.Scan0;
for (var y = 0; y < blocks.Y; y++)
for (var x = 0; x < blocks.X; x++)
{
var px = framedata[x + y*blocks.X];
var mod = framedata[x + (y + blocks.Y)*blocks.X];
for (var j = 0; j < blockHeight; j++)
for (var i = 0; i < blockWidth; i++)
{
var cbfi = (mod*256 + px)*8 + j*blockWidth + i;
byte color = (mod == 0x0f) ? px : cbf[cbfi];
*(c + ((y*blockHeight + j) * bitmapData.Stride >> 2) + x*blockWidth + i) = palette[color].ToArgb();
}
}
}
frame.UnlockBits(bitmapData);
for (var y = 0; y < blocks.Y; y++)
for (var x = 0; x < blocks.X; x++)
{
var px = origData[x + y*blocks.X];
var mod = origData[x + (y + blocks.Y)*blocks.X];
for (var j = 0; j < blockHeight; j++)
for (var i = 0; i < blockWidth; i++)
{
var cbfi = (mod*256 + px)*8 + j*blockWidth + i;
byte color = (mod == 0x0f) ? px : cbf[cbfi];
frameData[y*blockHeight + j, x*blockWidth + i] = palette[color];
}
}
return frameData;
}
int NextPowerOf2(int v)
{
--v;
v |= v >> 1;
v |= v >> 2;
v |= v >> 4;
v |= v >> 8;
++v;
return v;
}
public byte ToColorByte(byte b)