public static System.Drawing.Color[] QuantizeFrame(SPR2Frame frame, out byte[] bytes)
{
var bmps = frame.GetPixelAlpha(frame.Width, frame.Height, new Vector2());
/*
* SimplePaletteQuantizer.Quantizers.IColorQuantizer quantizer = new DistinctSelectionQuantizer();
*
* using (ImageBuffer buffer = new ImageBuffer(bmps[0], ImageLockMode.ReadOnly))
* {
* quantizer.Prepare(buffer);
* buffer.ScanColors(quantizer, 4); // 4 = parallel task count
* }
*
* Bitmap quantpx = new Bitmap(bmps[0].Width, bmps[0].Height, PixelFormat.Format8bppIndexed);
* ImageBuffer.DitherImage(bmps[0], quantpx, new JarvisJudiceNinkeDitherer(), quantizer, 255, 4);*/
var quantpx = (Bitmap)ImageBuffer.QuantizeImage(bmps[0], new DistinctSelectionQuantizer(), null, 255, 4);
var palt = quantpx.Palette.Entries;
var data = quantpx.LockBits(new System.Drawing.Rectangle(0, 0, quantpx.Width, quantpx.Height), ImageLockMode.ReadOnly, PixelFormat.Format8bppIndexed);
bytes = new byte[data.Height * data.Width];
// copy the bytes from bitmap to array
for (int i = 0; i < data.Height; i++)
{
Marshal.Copy(data.Scan0 + i * data.Stride, bytes, i * data.Width, data.Width);
}
return(palt);
}
/// <summary>
/// Reads a SPR2 chunk from a stream.
/// </summary>
/// <param name="iff">An Iff instance.</param>
/// <param name="stream">A Stream object holding a SPR2 chunk.</param>
public override void Read(IffFile iff, Stream stream)
{
using (var io = IoBuffer.FromStream(stream, ByteOrder.LITTLE_ENDIAN))
{
var version = io.ReadUInt32();
uint spriteCount = 0;
if (version == 1000)
{
spriteCount = io.ReadUInt32();
DefaultPaletteID = io.ReadUInt32();
var offsetTable = new uint[spriteCount];
for (var i = 0; i < spriteCount; i++)
{
offsetTable[i] = io.ReadUInt32();
}
Frames = new SPR2Frame[spriteCount];
for (var i = 0; i < spriteCount; i++)
{
var frame = new SPR2Frame(this);
io.Seek(SeekOrigin.Begin, offsetTable[i]);
var guessedSize = ((i + 1 < offsetTable.Length) ? offsetTable[i + 1] : (uint)stream.Length) - offsetTable[i];
frame.Read(version, io, guessedSize);
Frames[i] = frame;
}
}
else if (version == 1001)
{
DefaultPaletteID = io.ReadUInt32();
spriteCount = io.ReadUInt32();
Frames = new SPR2Frame[spriteCount];
for (var i = 0; i < spriteCount; i++)
{
var frame = new SPR2Frame(this);
frame.Read(version, io, 0);
Frames[i] = frame;
}
}
}
}
/// <summary>
/// Reads a SPR2 chunk from a stream.
/// </summary>
/// <param name="iff">An Iff instance.</param>
/// <param name="stream">A Stream object holding a SPR2 chunk.</param>
public override void Read(IffFile iff, Stream stream)
{
using (var io = IoBuffer.FromStream(stream, ByteOrder.LITTLE_ENDIAN))
{
var version = io.ReadUInt32();
uint spriteCount = 0;
if (version == 1000)
{
spriteCount = io.ReadUInt32();
DefaultPaletteID = io.ReadUInt32();
var offsetTable = new uint[spriteCount];
for (var i = 0; i < spriteCount; i++)
{
offsetTable[i] = io.ReadUInt32();
}
Frames = new SPR2Frame[spriteCount];
for (var i = 0; i < spriteCount; i++)
{
var frame = new SPR2Frame(this);
io.Seek(SeekOrigin.Begin, offsetTable[i]);
var guessedSize = ((i + 1 < offsetTable.Length) ? offsetTable[i + 1] : (uint)stream.Length) - offsetTable[i];
frame.Read(version, io, guessedSize);
Frames[i] = frame;
}
}
else if (version == 1001)
{
DefaultPaletteID = io.ReadUInt32();
spriteCount = io.ReadUInt32();
Frames = new SPR2Frame[spriteCount];
for (var i = 0; i < spriteCount; i++)
{
var frame = new SPR2Frame(this);
frame.Read(version, io, 0);
Frames[i] = frame;
}
}
}
}
private void NewRotation(int num)
{
Content.Content.Get().Changes.BlockingResMod(new ResAction(() =>
{
var oldToNew = new Dictionary<int, int>();
var old = GraphicChunk.Frames;
var oldLen = old.Length;
var result = new SPR2Frame[oldLen+num*3];
var index = 0;
for (int j = 0; j < 3; j++) {
for (int i = 0; i < oldLen / 3; i++)
{
oldToNew.Add(j * (oldLen / 3) + i, index);
result[index++] = old[j * (oldLen / 3) + i];
}
for (int i=0; i<num; i++)
result[index++] = new SPR2Frame(GraphicChunk) { PaletteID = (ushort)GraphicChunk.DefaultPaletteID };
}
GraphicChunk.Frames = result;
foreach (var dgrp in GraphicChunk.ChunkParent.List<DGRP>())
{
foreach (var img in dgrp.Images)
{
foreach (var spr in img.Sprites)
{
if (spr.SpriteID == GraphicChunk.ChunkID)
{
var oldspr = spr.SpriteFrameIndex;
if (oldToNew.ContainsKey((int)spr.SpriteFrameIndex))
spr.SpriteFrameIndex = (uint)oldToNew[(int)spr.SpriteFrameIndex];
else
spr.SpriteFrameIndex = 0;
if (oldspr != spr.SpriteFrameIndex) Content.Content.Get().Changes.ChunkChanged(dgrp);
}
}
}
}
}, GraphicChunk));
SetActiveResource(GraphicChunk, ActiveIff);
FrameList.SelectedIndex = FrameList.Items.Count - 1;
}
public static void WriteFrame(SPR2Frame frame, IoWriter output)
{
var bytes = frame.PalData;
var col = frame.PixelData;
var zs = frame.ZBufferData;
int index = 0;
int blankLines = 0;
for (int y = 0; y < frame.Height; y++)
{
byte lastCmd = 0;
List <byte> dataBuf = new List <byte>();
int rlecount = 0;
bool anySolid = false;
var scanStream = new MemoryStream();
var scanOut = IoWriter.FromStream(scanStream, ByteOrder.LITTLE_ENDIAN);
for (int x = 0; x < frame.Width; x++)
{
byte plt = bytes[index];
byte a = col[index].A;
byte z = zs[index];
var cmd = getCmd(plt, a, z);
if (x == 0 || cmd != lastCmd)
{
if (x != 0)
{
//write a command to write the last sequence of pixels
scanOut.WriteUInt16((ushort)(((int)lastCmd << 13) | rlecount));
if ((dataBuf.Count % 2) != 0)
{
dataBuf.Add(0);
}
scanOut.WriteBytes(dataBuf.ToArray());
dataBuf.Clear();
}
lastCmd = cmd;
rlecount = 0;
}
switch (cmd)
{
case 0x1:
case 0x2:
dataBuf.Add(z);
dataBuf.Add(plt);
if (cmd == 0x2)
{
dataBuf.Add((byte)Math.Ceiling(a / 8.2258064516129032258064516129032));
}
anySolid = true;
break;
case 0x6:
dataBuf.Add(plt);
anySolid = true;
break;
default:
break;
}
rlecount++;
index++;
}
if (anySolid)
{
//write a command to write the last sequence of pixels
scanOut.WriteUInt16((ushort)(((int)lastCmd << 13) | rlecount));
if ((dataBuf.Count % 2) != 0)
{
dataBuf.Add(0);
}
scanOut.WriteBytes(dataBuf.ToArray());
dataBuf.Clear();
}
var scanData = scanStream.ToArray();
if (scanData.Length == 0)
{
blankLines++; //line is transparent
}
else
{
if (blankLines > 0)
{
//add transparent lines before our new command
output.WriteUInt16((ushort)((0x4 << 13) | blankLines));
blankLines = 0;
}
output.WriteUInt16((ushort)(scanData.Length + 2));
output.WriteBytes(scanData);
}
}
if (blankLines > 0)
{
//add transparent lines before our new command
output.WriteUInt16((ushort)((0x4 << 13) | blankLines));
blankLines = 0;
}
output.WriteUInt16((ushort)(0x5 << 13));
return;
}
public static void WriteFrame(SPR2Frame frame, IoWriter output)
{
var bytes = frame.PalData;
var col = frame.PixelData;
var zs = frame.ZBufferData;
int index = 0;
int blankLines = 0;
for (int y=0; y<frame.Height; y++)
{
byte lastCmd = 0;
List<byte> dataBuf = new List<byte>();
int rlecount = 0;
bool anySolid = false;
var scanStream = new MemoryStream();
var scanOut = IoWriter.FromStream(scanStream, ByteOrder.LITTLE_ENDIAN);
for (int x=0; x<frame.Width; x++)
{
byte plt = bytes[index];
byte a = col[index].A;
byte z = zs[index];
var cmd = getCmd(plt, a, z);
if (x == 0 || cmd != lastCmd)
{
if (x != 0)
{
//write a command to write the last sequence of pixels
scanOut.WriteUInt16((ushort)(((int)lastCmd<<13)|rlecount));
if ((dataBuf.Count % 2) != 0) dataBuf.Add(0);
scanOut.WriteBytes(dataBuf.ToArray());
dataBuf.Clear();
}
lastCmd = cmd;
rlecount = 0;
}
switch (cmd)
{
case 0x1:
case 0x2:
dataBuf.Add(z);
dataBuf.Add(plt);
if (cmd == 0x2) dataBuf.Add((byte)Math.Ceiling(a/ 8.2258064516129032258064516129032));
anySolid = true;
break;
case 0x6:
dataBuf.Add(plt);
anySolid = true;
break;
default:
break;
}
rlecount++;
index++;
}
if (anySolid)
{
//write a command to write the last sequence of pixels
scanOut.WriteUInt16((ushort)(((int)lastCmd << 13) | rlecount));
if ((dataBuf.Count % 2) != 0) dataBuf.Add(0);
scanOut.WriteBytes(dataBuf.ToArray());
dataBuf.Clear();
}
var scanData = scanStream.ToArray();
if (scanData.Length == 0)
blankLines++; //line is transparent
else
{
if (blankLines > 0)
{
//add transparent lines before our new command
output.WriteUInt16((ushort)((0x4<<13) | blankLines));
blankLines = 0;
}
output.WriteUInt16((ushort)(scanData.Length+2));
output.WriteBytes(scanData);
}
}
if (blankLines > 0)
{
//add transparent lines before our new command
output.WriteUInt16((ushort)((0x4 << 13) | blankLines));
blankLines = 0;
}
output.WriteUInt16((ushort)(0x5<<13));
return;
}
public static Microsoft.Xna.Framework.Color[] QuantizeFrame(SPR2Frame frame, out byte[] bytes)
{
var bmps = GetPixelAlpha(frame, frame.Width, frame.Height, new Vector2());
var quantpx = (Bitmap)ImageBuffer.QuantizeImage(bmps[0], new DistinctSelectionQuantizer(), null, 255, 4);
var palt = quantpx.Palette.Entries;
var data = quantpx.LockBits(new System.Drawing.Rectangle(0, 0, quantpx.Width, quantpx.Height), ImageLockMode.ReadOnly, PixelFormat.Format8bppIndexed);
bytes = new byte[data.Height * data.Width];
// copy the bytes from bitmap to array
for (int i = 0; i < data.Height; i++)
{
Marshal.Copy(data.Scan0 + i * data.Stride, bytes, i * data.Width, data.Width);
}
var result = new Microsoft.Xna.Framework.Color[palt.Length];
for (int i=0; i<palt.Length; i++)
{
var c = palt[i];
result[i] = new Microsoft.Xna.Framework.Color(c.R, c.G, c.B, c.A);
}
return result;
}
public static System.Drawing.Image[] GetPixelAlpha(SPR2Frame sprite, int tWidth, int tHeight, Vector2 pos)
{
var result = new System.Drawing.Bitmap[3];
var locks = new BitmapData[3];
var data = new byte[3][];
for (int i = 0; i < 3; i++)
{
result[i] = new System.Drawing.Bitmap(tWidth, tHeight, PixelFormat.Format24bppRgb);
locks[i] = result[i].LockBits(new System.Drawing.Rectangle(0, 0, tWidth, tHeight), ImageLockMode.ReadWrite, PixelFormat.Format32bppRgb);
data[i] = new byte[locks[i].Stride * locks[i].Height];
}
int index = 0;
for (int y = 0; y < tHeight; y++)
{
for (int x = 0; x < tWidth; x++)
{
Microsoft.Xna.Framework.Color col;
byte depth = 255;
if (x >= pos.X && x < pos.X + sprite.Width && y >= pos.Y && y < pos.Y + sprite.Height)
{
col = sprite.PixelData[(int)(x - pos.X) + (int)(y - pos.Y) * sprite.Width];
if (col.A == 0) col = new Microsoft.Xna.Framework.Color(0xFF, 0xFF, 0x00, 0x00);
if (sprite.ZBufferData != null)
{
depth = sprite.ZBufferData[(int)(x - pos.X) + (int)(y - pos.Y) * sprite.Width];
}
}
else
{
col = new Microsoft.Xna.Framework.Color(0xFF, 0xFF, 0x00, 0x00);
}
data[0][index] = col.B;
data[0][index + 1] = col.G;
data[0][index + 2] = col.R;
data[0][index + 3] = 255;
data[1][index] = col.A;
data[1][index + 1] = col.A;
data[1][index + 2] = col.A;
data[1][index + 3] = 255;
data[2][index] = depth;
data[2][index + 1] = depth;
data[2][index + 2] = depth;
data[2][index + 3] = 255;
index += 4;
}
}
for (int i = 0; i < 3; i++)
{
Marshal.Copy(data[i], 0, locks[i].Scan0, data[i].Length);
result[i].UnlockBits(locks[i]);
}
return result;
}
/// <summary>
/// Generates windows bitmaps for the appearance of this sprite.
/// </summary>
/// <param name="tWidth"></param>
/// <param name="tHeight"></param>
/// <returns>Array of three images, [Color, Alpha, Depth].</returns>
public static System.Drawing.Image[] GetPixelAlpha(SPR2Frame sprite, int tWidth, int tHeight)
{
return GetPixelAlpha(sprite, tWidth, tHeight, sprite.Position);
}