static void UndoBlock(UndoFormatArgs args, Level lvl, UndoFormatEntry P)
{
byte lvlBlock = lvl.GetTile(P.X, P.Y, P.Z);
if (lvlBlock == P.NewBlock || Block.Convert(lvlBlock) == Block.water ||
Block.Convert(lvlBlock) == Block.lava || lvlBlock == Block.grass)
{
if (args.Player != null)
{
DrawOpBlock block;
block.X = P.X; block.Y = P.Y; block.Z = P.Z;
block.Block = P.Block; block.ExtBlock = P.ExtBlock;
args.Output(block);
}
else
{
Player.GlobalBlockchange(lvl, P.X, P.Y, P.Z, P.Block, P.ExtBlock); // TODO: rewrite this :/
lvl.SetTile(P.X, P.Y, P.Z, P.Block);
if (P.Block != Block.custom_block)
{
return;
}
lvl.SetExtTile(P.X, P.Y, P.Z, P.ExtBlock);
}
}
}
public static void DoUndoArea(Stream s, Vec3S32 min, Vec3S32 max,
UndoFormat format, UndoFormatArgs args)
{
Level lvl = args.Player == null ? null : args.Player.level;
string lastMap = null;
foreach (UndoFormatEntry P in format.GetEntries(s, args))
{
if (P.LevelName != lastMap)
{
lvl = LevelInfo.FindExact(P.LevelName);
}
if (lvl == null || P.Time > args.End)
{
continue;
}
if (P.X < min.X || P.Y < min.Y || P.Z < min.Z)
{
continue;
}
if (P.X > max.X || P.Y > max.Y || P.Z > max.Z)
{
continue;
}
UndoBlock(args, lvl, P);
}
}
public override void EnumerateEntries(Stream s, UndoFormatArgs args)
{
List <ChunkHeader> list = new List <ChunkHeader>();
UndoFormatEntry pos;
DateTime time;
ReadHeaders(list, s);
for (int i = list.Count - 1; i >= 0; i--)
{
ChunkHeader chunk = list[i];
// Can we safely discard the entire chunk?
bool inRange = chunk.BaseTime.AddTicks((65536 >> 2) * TimeSpan.TicksPerSecond) >= args.Start;
if (!inRange)
{
args.Finished = true; return;
}
if (!args.Map.CaselessEq(chunk.LevelName))
{
continue;
}
s.Seek(chunk.DataPosition, SeekOrigin.Begin);
if (args.Temp == null)
{
args.Temp = new byte[ushort.MaxValue * entrySize];
}
s.Read(args.Temp, 0, chunk.Entries * entrySize);
byte[] temp = args.Temp;
for (int j = chunk.Entries - 1; j >= 0; j--)
{
int offset = j * entrySize;
ushort flags = U16(temp, offset + 0);
// upper 2 bits for 'ext' or 'physics' type, lower 14 bits for time delta.
// TODO: should this be instead:
// int delta = Flags & 0x3FFF;
// timeDeltaSeconds = delta >= 0x2000 ? (short)(delta - 16384) : (short)delta;
time = chunk.BaseTime.AddTicks((flags & 0x3FFF) * TimeSpan.TicksPerSecond);
if (time < args.Start)
{
args.Finished = true; return;
}
if (time > args.End)
{
continue;
}
int index = I32(temp, offset + 2);
pos.X = (ushort)(index % chunk.Width);
pos.Y = (ushort)((index / chunk.Width) / chunk.Length);
pos.Z = (ushort)((index / chunk.Width) % chunk.Length);
pos.Block = Block.FromRaw(temp[offset + 6], (flags & (1 << 14)) != 0);
pos.NewBlock = Block.FromRaw(temp[offset + 7], (flags & (1 << 15)) != 0);
args.Output(pos);
}
}
}
protected override IEnumerable <UndoFormatEntry> GetEntries(Stream s, UndoFormatArgs args)
{
List <ChunkHeader> list = new List <ChunkHeader>();
UndoFormatEntry pos;
UndoCacheItem item = default(UndoCacheItem);
bool super = Player.IsSuper(args.Player);
DateTime start = args.Start;
ReadHeaders(list, s);
for (int i = list.Count - 1; i >= 0; i--)
{
ChunkHeader chunk = list[i];
// Can we safely discard the entire chunk?
bool inRange = chunk.BaseTime.AddTicks((65536 >> 2) * TimeSpan.TicksPerSecond) >= start;
if (!inRange)
{
args.Stop = true; yield break;
}
if (!super && !args.Player.level.name.CaselessEq(chunk.LevelName))
{
continue;
}
pos.LevelName = chunk.LevelName;
s.Seek(chunk.DataPosition, SeekOrigin.Begin);
if (args.Temp == null)
{
args.Temp = new byte[ushort.MaxValue * entrySize];
}
s.Read(args.Temp, 0, chunk.Entries * entrySize);
byte[] temp = args.Temp;
for (int j = chunk.Entries - 1; j >= 0; j--)
{
int offset = j * entrySize;
item.Flags = U16(temp, offset + 0);
pos.Time = chunk.BaseTime.AddTicks((item.Flags & 0x3FFF) * TimeSpan.TicksPerSecond);
if (pos.Time < start)
{
args.Stop = true; yield break;
}
int index = I32(temp, offset + 2);
pos.X = (ushort)(index % chunk.Width);
pos.Y = (ushort)((index / chunk.Width) / chunk.Length);
pos.Z = (ushort)((index / chunk.Width) % chunk.Length);
item.Type = temp[offset + 6];
item.NewType = temp[offset + 7];
item.GetBlock(out pos.Block, out pos.ExtBlock);
item.GetNewBlock(out pos.NewBlock, out pos.NewExtBlock);
yield return(pos);
}
}
}
public override void EnumerateEntries(Stream s, UndoFormatArgs args)
{
List <ChunkHeader> list = new List <ChunkHeader>();
UndoFormatEntry pos;
DateTime time;
ReadHeaders(list, s);
for (int i = list.Count - 1; i >= 0; i--)
{
ChunkHeader chunk = list[i];
// Can we safely discard the entire chunk?
bool inRange = chunk.BaseTime.AddTicks(65536 * TimeSpan.TicksPerSecond) >= args.Start;
if (!inRange)
{
args.Stop = true; return;
}
if (!args.LevelName.CaselessEq(chunk.LevelName))
{
continue;
}
s.Seek(chunk.DataPosition, SeekOrigin.Begin);
if (args.Temp == null)
{
args.Temp = new byte[ushort.MaxValue * entrySize];
}
s.Read(args.Temp, 0, chunk.Entries * entrySize);
byte[] temp = args.Temp;
for (int j = chunk.Entries - 1; j >= 0; j--)
{
int offset = j * entrySize;
time = chunk.BaseTime.AddTicks(U16(temp, offset + 0) * TimeSpan.TicksPerSecond);
if (time < args.Start)
{
args.Stop = true; return;
}
if (time > args.End)
{
continue;
}
pos.X = U16(temp, offset + 2);
pos.Y = U16(temp, offset + 4);
pos.Z = U16(temp, offset + 6);
pos.Block.BlockID = temp[offset + 8];
pos.Block.ExtID = temp[offset + 9];
pos.NewBlock.BlockID = temp[offset + 10];
pos.NewBlock.ExtID = temp[offset + 11];
args.Output(pos);
}
}
}
protected override IEnumerable <UndoFormatEntry> GetEntries(Stream s, UndoFormatArgs args)
{
List <ChunkHeader> list = new List <ChunkHeader>();
UndoFormatEntry pos;
bool super = Player.IsSuper(args.Player);
DateTime start = args.Start;
ReadHeaders(list, s);
for (int i = list.Count - 1; i >= 0; i--)
{
ChunkHeader chunk = list[i];
// Can we safely discard the entire chunk?
bool inRange = chunk.BaseTime.AddTicks(65536 * TimeSpan.TicksPerSecond) >= start;
if (!inRange)
{
args.Stop = true; yield break;
}
if (!super && !args.Player.level.name.CaselessEq(chunk.LevelName))
{
continue;
}
pos.LevelName = chunk.LevelName;
s.Seek(chunk.DataPosition, SeekOrigin.Begin);
if (args.Temp == null)
{
args.Temp = new byte[ushort.MaxValue * entrySize];
}
s.Read(args.Temp, 0, chunk.Entries * entrySize);
byte[] temp = args.Temp;
for (int j = chunk.Entries - 1; j >= 0; j--)
{
int offset = j * entrySize;
pos.Time = chunk.BaseTime.AddTicks(U16(temp, offset + 0) * TimeSpan.TicksPerSecond);
if (pos.Time < start)
{
args.Stop = true; yield break;
}
pos.X = U16(temp, offset + 2);
pos.Y = U16(temp, offset + 4);
pos.Z = U16(temp, offset + 6);
pos.Block = temp[offset + 8]; pos.ExtBlock = temp[offset + 9];
pos.NewBlock = temp[offset + 10]; pos.NewExtBlock = temp[offset + 11];
yield return(pos);
}
}
}
public static void DoRedo(Stream s, UndoFormat format, UndoFormatArgs args)
{
DrawOpBlock block;
foreach (UndoFormatEntry P in format.GetEntries(s, args))
{
if (P.Time > args.End)
{
continue;
}
block.X = P.X; block.Y = P.Y; block.Z = P.Z;
block.Block = P.Block; block.ExtBlock = P.ExtBlock;
args.Output(block);
}
}
public static void DoHighlight(Stream s, UndoFormat format, UndoFormatArgs args)
{
BufferedBlockSender buffer = new BufferedBlockSender(args.Player);
Level lvl = args.Player.level;
foreach (UndoFormatEntry P in format.GetEntries(s, args))
{
byte block = P.Block, newBlock = P.NewBlock;
byte highlight = (newBlock == Block.air ||
Block.Convert(block) == Block.water || block == Block.waterstill ||
Block.Convert(block) == Block.lava || block == Block.lavastill)
? Block.red : Block.green;
buffer.Add(lvl.PosToInt(P.X, P.Y, P.Z), highlight, 0);
}
buffer.Send(true);
}
static void UpgradeFiles(string dir, string name)
{
string path = Path.Combine(dir, name);
if (!Directory.Exists(path))
{
return;
}
string[] files = Directory.GetFiles(path);
List <Player.UndoPos> buffer = new List <Player.UndoPos>();
UndoFormatArgs args = new UndoFormatArgs(null, DateTime.MinValue, DateTime.MaxValue, null);
for (int i = 0; i < files.Length; i++)
{
path = files[i];
if (!path.EndsWith(BinFormat.Ext) && !path.EndsWith(TxtFormat.Ext))
{
continue;
}
IEnumerable <UndoFormatEntry> data = null;
Player.UndoPos pos;
using (FileStream s = File.OpenRead(path)) {
data = path.EndsWith(BinFormat.Ext)
? BinFormat.GetEntries(s, args) : TxtFormat.GetEntries(s, args);
foreach (UndoFormatEntry P in data)
{
pos.x = P.X; pos.y = P.Y; pos.z = P.Z;
pos.type = P.Block; pos.extType = P.ExtBlock;
pos.newtype = P.NewBlock; pos.newExtType = P.NewExtBlock;
pos.timeDelta = (int)P.Time.Subtract(Server.StartTimeLocal).TotalSeconds;
pos.mapName = P.LevelName;
buffer.Add(pos);
}
buffer.Reverse();
string newPath = Path.ChangeExtension(path, NewFormat.Ext);
NewFormat.Save(buffer, newPath);
}
File.Delete(path);
}
}
public static void DoUndo(Stream s, UndoFormat format, UndoFormatArgs args)
{
Level lvl = args.Player == null ? null : args.Player.level;
string lastMap = null;
foreach (UndoFormatEntry P in format.GetEntries(s, args))
{
if (P.LevelName != lastMap)
{
lvl = LevelInfo.FindExact(P.LevelName);
}
if (lvl == null || P.Time > args.End)
{
continue;
}
UndoBlock(args, lvl, P);
}
}
protected override IEnumerable <UndoFormatEntry> GetEntries(Stream s, UndoFormatArgs args)
{
UndoCacheNode node = cache.Tail;
if (node == null)
{
yield break;
}
UndoFormatEntry pos;
bool super = Player.IsSuper(args.Player);
DateTime start = args.Start;
while (node != null)
{
Level lvl = LevelInfo.FindExact(node.MapName);
if (!super && !args.Player.level.name.CaselessEq(node.MapName))
{
node = node.Prev; continue;
}
List <UndoCacheItem> items = node.Items;
pos.LevelName = node.MapName;
for (int i = items.Count - 1; i >= 0; i--)
{
UndoCacheItem item = items[i];
DateTime time = node.BaseTime.AddTicks(item.TimeDelta * TimeSpan.TicksPerSecond);
if (time < start)
{
args.Stop = true; yield break;
}
pos.Time = time;
node.Unpack(item.Index, out pos.X, out pos.Y, out pos.Z);
item.GetBlock(out pos.Block, out pos.ExtBlock);
item.GetNewBlock(out pos.NewBlock, out pos.NewExtBlock);
yield return(pos);
}
node = node.Prev;
}
}
public static void DoUndo(string target, ref bool found, UndoFormatArgs args)
{
List <string> files = GetUndoFiles(target);
if (files.Count == 0)
{
return;
}
found = true;
foreach (string file in files)
{
using (Stream s = File.OpenRead(file)) {
DoUndo(s, GetFormat(file), args);
if (args.Stop)
{
break;
}
}
}
}
public override void EnumerateEntries(Stream s, UndoFormatArgs args)
{
UndoFormatEntry pos = default(UndoFormatEntry);
string[] lines = new StreamReader(s).ReadToEnd().SplitSpaces();
DateTime time;
// because we have space to end of each entry, need to subtract one otherwise we'll start at a "".
const int items = 7;
for (int i = (lines.Length - 1) / items; i > 0; i--)
{
// line format: mapName x y z date oldblock newblock
string timeRaw = lines[(i * items) - 3].Replace('&', ' ');
time = DateTime.Parse(timeRaw, CultureInfo.InvariantCulture);
if (time < args.Start)
{
args.Stop = true; return;
}
if (time > args.End)
{
continue;
}
string map = lines[(i * items) - 7];
if (!args.LevelName.CaselessEq(map))
{
continue;
}
pos.X = ushort.Parse(lines[(i * items) - 6]);
pos.Y = ushort.Parse(lines[(i * items) - 5]);
pos.Z = ushort.Parse(lines[(i * items) - 4]);
pos.Block.BlockID = byte.Parse(lines[(i * items) - 2]);
pos.NewBlock.BlockID = byte.Parse(lines[(i * items) - 1]);
args.Output(pos);
}
}
protected override IEnumerable <UndoFormatEntry> GetEntries(Stream s, UndoFormatArgs args)
{
UndoFormatEntry pos;
pos.NewExtBlock = 0; pos.ExtBlock = 0;
string[] lines = new StreamReader(s).ReadToEnd().Split(' ');
Player p = args.Player;
bool super = p == null || p.ircNick != null;
DateTime start = args.Start;
// because we have space to end of each entry, need to subtract one otherwise we'll start at a "".
const int items = 7;
for (int i = (lines.Length - 1) / items; i > 0; i--)
{
// line format: mapName x y z date oldblock newblock
string timeRaw = lines[(i * items) - 3].Replace('&', ' ');
pos.Time = DateTime.Parse(timeRaw, CultureInfo.InvariantCulture);
if (pos.Time < start)
{
args.Stop = true; yield break;
}
string map = lines[(i * items) - 7];
if (!super && !p.level.name.CaselessEq(map))
{
continue;
}
pos.LevelName = map;
pos.X = ushort.Parse(lines[(i * items) - 6]);
pos.Y = ushort.Parse(lines[(i * items) - 5]);
pos.Z = ushort.Parse(lines[(i * items) - 4]);
pos.Block = byte.Parse(lines[(i * items) - 2]);
pos.NewBlock = byte.Parse(lines[(i * items) - 1]);
yield return(pos);
}
}
/// <summary> Enumerates through all the entries in the undo file. </summary> public abstract void EnumerateEntries(Stream s, UndoFormatArgs args);
protected abstract IEnumerable <UndoFormatEntry> GetEntries(Stream s, UndoFormatArgs args);
