public void Write()
{
TAG_Compound data;
using (FileStream level = new FileStream(LevelDatPath, FileMode.Open))
{
using (GZipStream decompress = new GZipStream(level, CompressionMode.Decompress))
{
MemoryStream mem = new MemoryStream();
decompress.CopyTo(mem);
mem.Seek(0, SeekOrigin.Begin);
data = new TAG_Compound(mem);
}
}
((TAG_Long)data["Data"]["RandomSeed"]).Payload = Seed;
using (FileStream level = new FileStream(LevelDatPath, FileMode.Truncate))
{
MemoryStream mem = new MemoryStream();
GZipStream compress = new GZipStream(mem, CompressionMode.Compress);
data.Write(compress);
compress.Close();
byte[] buffer = mem.ToArray();
level.Write(buffer, 0, buffer.Length);
}
}
public static void AddorRemoveBlocksSelection(RegionFile region, Bitmap b, Color selectionColor, int[] blockIds, bool add)
{
if (blockIds == null || blockIds.Length == 0)
return;
List<int> ids = new List<int>(blockIds);
foreach (Chunk c in region.Chunks)
{
if (c.Root == null)
continue;
Coord chunkOffset = new Coord(region.Coords);
chunkOffset.RegiontoChunk();
chunkOffset = new Coord(c.Coords.X - chunkOffset.X, c.Coords.Z - chunkOffset.Z);
chunkOffset.ChunktoAbsolute();
TAG_Compound[] sections = new TAG_Compound[16];
int highest = -1;
foreach (TAG t in (TAG[])c.Root["Level"]["Sections"])
{
byte index = (byte)t["Y"];
if (index > highest)
highest = index;
sections[index] = (TAG_Compound)t;
}
//chunk exists but all blocks are air
if (highest < 0)
return;
highest = ((highest + 1) * 16) - 1;
for (int z = 0; z < 16; z++)
{
for (int x = 0; x < 16; x++)
{
int y;
if (c.ManualHeightmap[x + z * 16] >= 0)
y = c.ManualHeightmap[x + z * 16];
else
{
y = GetHeight(sections, x, z, highest);
c.ManualHeightmap[x + z * 16] = y;
}
if (y < 0)
continue;
if (ids.Contains(GetBlock(sections, x, y, z)))
{
b.SetPixel(OFFSETX + chunkOffset.X + x, OFFSETY + chunkOffset.Z + z, add ? selectionColor : Color.Transparent);
}
}
}
}
}
public World(String path)
{
TAG_Compound data;
LevelDatPath = path;
using (FileStream level = new FileStream(path, FileMode.Open))
{
using (GZipStream decompress = new GZipStream(level, CompressionMode.Decompress))
{
MemoryStream mem = new MemoryStream();
decompress.CopyTo(mem);
mem.Seek(0, SeekOrigin.Begin);
data = new TAG_Compound(mem);
}
}
Seed = (long)data["Data"]["RandomSeed"];
OriginalSeed = Seed;
Version = (int)data["Data"]["version"];
WorldName = (String)data["Data"]["LevelName"];
WorldDir = Path.GetDirectoryName(path);
}
public World(String path)
{
TAG_Compound data;
LevelDatPath = path;
using (FileStream level = new FileStream(path, FileMode.Open))
{
using (GZipStream decompress = new GZipStream(level, CompressionMode.Decompress))
{
MemoryStream mem = new MemoryStream();
decompress.CopyTo(mem);
mem.Seek(0, SeekOrigin.Begin);
data = new TAG_Compound(mem);
}
}
Seed = (long)data["Data"]["RandomSeed"];
OriginalSeed = Seed;
Version = (int)data["Data"]["version"];
WorldName = (String)data["Data"]["LevelName"];
WorldDir = Path.GetDirectoryName(path);
}
private void RenderChunk(Chunk c, Bitmap b, int offsetX, int offsetY)
{
int[] heightmap = (int[])c.Root["Level"]["HeightMap"];
TAG_Compound[] sections = new TAG_Compound[16];
int highest = -1;
foreach (TAG t in (TAG[])c.Root["Level"]["Sections"])
{
byte index = (byte)t["Y"];
if (index > highest)
highest = index;
sections[index] = (TAG_Compound)t;
}
//chunk exists but all blocks are air
if (highest < 0)
return;
highest = ((highest + 1) * 16) - 1;
if (highest > UpperLimit)
highest = UpperLimit;
if (highest < LowerLimit)
highest = LowerLimit;
TAG biomes = null;
c.Root["Level"].TryGetValue("Biomes", out biomes);
for (int z = 0; z < 16; z++)
{
for (int x = 0; x < 16; x++)
{
int y = GetHeight(sections, x, z, highest, LowerLimit, Only, Exclude);
if (y < LowerLimit)
continue;
byte id, data;
GetBlock(sections, x, y, z, out id, out data);
byte biome = 255;
if(ConsiderBiomes && biomes != null)
biome = ((byte[])biomes)[x + z * 16];
Color color = ColorPalette.Lookup(id, data, biome);
if (Transparency)
{
y--;
while (color.A < 255 && y >= LowerLimit)
{
GetBlock(sections, x, y, z, out id, out data);
if (Only != null && !Only.Contains(id))
id = 0;
if (Exclude != null && Exclude.Contains(id))
id = 0;
Color c2 = ColorPalette.Lookup(id, data, biome);
color = Blend(color, c2);
y--;
}
}
else
color = Color.FromArgb(255, color.R, color.G, color.B);
if (ShowHeight)
{
//brighten/darken by height; arbitrary value, but /seems/ to look okay
color = AddtoColor(color, (int)(y / 1.7 - 42));
}
b.SetPixel(offsetX + x, offsetY + z, color);
}
}
}
private static byte GetLight(TAG_Compound[] sections, int x, int y, int z)
{
byte light = 15;
int section = (int)Math.Floor(y / 16.0);
if (sections[section] != null)
{
int offset = ((y % 16) * 16 + z) * 16 + x;
light = ((byte[])sections[section]["BlockLight"])[offset >> 1];
if (offset % 2 == 0)
light = (byte)(light & 0x0F);
else
light = (byte)((light >> 4) & 0x0F);
}
if (light > 15)
light = 15;
else if (light < 4)
light = 4;
return light;
}
private static int GetHeight(TAG_Compound[] sections, int x, int z, int yStart = 255, int yEnd = 0, HashSet<byte> only = null, HashSet<byte> exclude = null)
{
int h = yStart;
for (; h >= yEnd; h--)
{
byte b = GetBlock(sections, x, h, z);
if (b != 0)
{
if(only != null && only.Contains(b))
return h;
else if(exclude != null && !exclude.Contains(b))
return h;
else if(only == null && exclude == null)
return h;
}
}
return yEnd - 1;
}
private static void GetBlock(TAG_Compound[] sections, int x, int y, int z, out byte id, out byte data)
{
id = 0;
data = 0;
int section = (int)Math.Floor(y / 16.0);
if (sections[section] != null)
{
int offset = ((y % 16) * 16 + z) * 16 + x;
id = ((byte[])sections[section]["Blocks"])[offset];
data = ((byte[])sections[section]["Data"])[offset >> 1];
if (offset % 2 == 0)
data = (byte)(data & 0x0F);
else
data = (byte)((data >> 4) & 0x0F);
}
}
private static byte GetBlock(TAG_Compound[] sections, int x, int y, int z)
{
byte id, data;
GetBlock(sections, x, y, z, out id, out data);
return id;
}
public void Write()
{
TAG_Compound data;
using (FileStream level = new FileStream(LevelDatPath, FileMode.Open))
{
using (GZipStream decompress = new GZipStream(level, CompressionMode.Decompress))
{
MemoryStream mem = new MemoryStream();
decompress.CopyTo(mem);
mem.Seek(0, SeekOrigin.Begin);
data = new TAG_Compound(mem);
}
}
((TAG_Long)data["Data"]["RandomSeed"]).Payload = Seed;
using (FileStream level = new FileStream(LevelDatPath, FileMode.Truncate))
{
MemoryStream mem = new MemoryStream();
GZipStream compress = new GZipStream(mem, CompressionMode.Compress);
data.Write(compress);
compress.Close();
byte[] buffer = mem.ToArray();
level.Write(buffer, 0, buffer.Length);
}
}
private void openToolStripMenuItem_Click(object sender, EventArgs e)
{
OpenFileDialog dialog = new OpenFileDialog();
dialog.InitialDirectory = lastPath;
dialog.Filter = "Minecraft (*.dat, mcr, mca)|*.dat;*.mcr;*.mca";
if (dialog.ShowDialog() != DialogResult.OK)
return;
lastPath = Path.GetDirectoryName(dialog.FileName);
lastFile = Path.GetFileName(dialog.FileName);
txtOutput.Text = "";
if (Path.GetExtension(dialog.FileName) == ".dat")
{
MemoryStream data = new MemoryStream();
using (GZipStream decompress = new GZipStream(dialog.OpenFile(), CompressionMode.Decompress))
{
decompress.CopyTo(data);
decompress.Close();
}
data.Seek(0, SeekOrigin.Begin);
TAG_Compound rootContainer = new TAG_Compound(data);
txtOutput.Text += rootContainer.ToString();
}
else
{
txtOutput.Text = new RegionFile(dialog.FileName).ToString();
}
int indent = 0;
StringBuilder sb = new StringBuilder();
foreach (String line in txtOutput.Lines)
{
if (line.Length > 0 && line[0] == '{')
{
sb.Append(new String('\t', indent)).AppendLine(line);
indent++;
}
else if (line.Length > 0 && line[0] == '}')
{
indent--;
sb.Append(new String('\t', indent)).AppendLine(line);
}
else
sb.Append(new String('\t', indent)).AppendLine(line);
}
txtOutput.Text = sb.ToString();
}
private static void RenderChunkTerrain(Object state)
{
Object[] parameters = (Object[])state;
Chunk c = (Chunk)parameters[0];
Bitmap b = (Bitmap)parameters[1];
int offsetX = (int)parameters[2];
int offsetY = (int)parameters[3];
TAG_Compound[] sections = new TAG_Compound[16];
int highest = -1;
foreach (TAG t in (TAG[])c.Root["Level"]["Sections"])
{
byte index = (byte)t["Y"];
if (index > highest)
highest = index;
sections[index] = (TAG_Compound)t;
}
if (c.ManualHeightmap == null)
{
c.ManualHeightmap = new int[256];
for (int i = 0; i < c.ManualHeightmap.Length; i++)
c.ManualHeightmap[i] = -1;
}
//chunk exists but all blocks are air
if (highest < 0)
{
if (Interlocked.Decrement(ref taskCount) == 0)
signal.Set();
return;
}
Color[,] pixels = new Color[16, 16];
highest = ((highest + 1) * 16) - 1;
TAG biomes = null;
c.Root["Level"].TryGetValue("Biomes", out biomes);
for (int z = 0; z < 16; z++)
{
for (int x = 0; x < 16; x++)
{
int y;
if (c.ManualHeightmap[x + z * 16] >= 0)
y = c.ManualHeightmap[x + z * 16];
else
{
y = GetHeight(sections, x, z, highest);
c.ManualHeightmap[x + z * 16] = y;
}
if (y < 0)
continue;
byte id, data;
GetBlock(sections, x, y, z, out id, out data);
byte biome = (byte)Biome.Unspecified;
if(biomes != null && Settings.BiomeFoliage)
biome = ((byte[])biomes)[x + z * 16];
Color color = ColorPalette.Lookup(id, data, biome);
if (Settings.Transparency)
{
y--;
while (color.A < 255 && y >= 0)
{
GetBlock(sections, x, y, z, out id, out data);
Color c2 = ColorPalette.Lookup(id, data, biome);
color = Blend(color, c2);
y--;
}
}
else
color = Color.FromArgb(255, color.R, color.G, color.B);
//brighten/darken by height; arbitrary value, but /seems/ to look okay
color = AddtoColor(color, (int)(y / 1.7 - 42));
pixels[x, z] = color;
}
}
mutex.WaitOne();
for (int z = 0; z < 16; z++)
{
for (int x = 0; x < 16; x++)
{
b.SetPixel(offsetX + x, offsetY + z, pixels[x, z]);
}
}
mutex.ReleaseMutex();
if (Interlocked.Decrement(ref taskCount) == 0)
signal.Set();
}
private static int GetHeight(TAG_Compound[] sections, int x, int z, int yStart = 255)
{
int h = yStart;
for (; h >= 0; h--)
{
byte b = GetBlock(sections, x, h, z);
if (b != 0)
return h;
}
return -1;
}
