public void Render()
{
Point topLeft = new Point(int.MaxValue, int.MaxValue);
Point bottomRight = new Point(int.MinValue, int.MinValue);
if (LowerLimit > UpperLimit)
{
int temp = LowerLimit;
LowerLimit = UpperLimit;
UpperLimit = temp;
}
if (Only != null && Exclude != null)
{
foreach (byte b in Exclude)
{
if (Only.Contains(b))
Only.Remove(b);
}
Exclude = null;
}
String[] paths = Directory.GetFiles(regionDir, "*.mca", SearchOption.TopDirectoryOnly);
foreach (String path in paths)
{
Match m = Regex.Match(path, @"r\.(-?\d+)\.(-?\d+)\.mca");
Coord c = new Coord(int.Parse(m.Groups[1].Value), int.Parse(m.Groups[2].Value));
c.RegiontoAbsolute();
if (c.X < topLeft.X)
topLeft.X = c.X;
if (c.Z < topLeft.Y)
topLeft.Y = c.Z;
c.Add(REGIONWIDTH, REGIONHEIGHT);
if (c.X > bottomRight.X)
bottomRight.X = c.X;
if (c.Z > bottomRight.Y)
bottomRight.Y = c.Z;
}
String format = String.Format("Reading region {{0}} of {0}", paths.Length);
int count = 0;
if (LessMemory)
{
int regionsWide = (bottomRight.X - topLeft.X) / REGIONWIDTH;
int regionsTall = (bottomRight.Y - topLeft.Y) / REGIONHEIGHT;
Point regionTopLeft = new Point(topLeft.X / REGIONWIDTH, topLeft.Y / REGIONHEIGHT);
String[,] regions = new String[regionsWide, regionsTall];
foreach (String path in paths)
{
Match m = Regex.Match(path, @"r\.(-?\d+)\.(-?\d+)\.mc[ar]");
Coord c = new Coord(int.Parse(m.Groups[1].Value), int.Parse(m.Groups[2].Value));
c.Add(-regionTopLeft.X, -regionTopLeft.Y);
regions[c.X, c.Z] = path;
}
Bitmap strip = new Bitmap(bottomRight.X - topLeft.X, REGIONHEIGHT, PixelFormat.Format32bppArgb);
PngWriter writer = new PngWriter(outPath, bottomRight.X - topLeft.X, bottomRight.Y - topLeft.Y);
for (int y = 0; y < regionsTall; y++)
{
using (Graphics g = Graphics.FromImage(strip))
{
g.Clear(Color.Transparent);
}
for (int x = 0; x < regionsWide; x++)
{
if (regions[x, y] != null)
{
count++;
if (updateStatus != null)
updateStatus(String.Format(format, count));
if (log != null)
{
log.Write(String.Format(format, count));
log.WriteLine(String.Format(" :: {0}", Path.GetFileName(regions[x, y])));
}
RegionFile region = new RegionFile(regions[x, y]);
Coord offset = new Coord(region.Coords);
offset.RegiontoAbsolute();
offset.X -= topLeft.X;
if (BiomeOverlay)
RenderRegionBiomes(region, strip, offset.X, 0);
else
RenderRegion(region, strip, offset.X, 0);
}
}
writer.WriteBitmap(strip);
}
writer.Close();
strip.Dispose();
}
else
{
Bitmap map = new Bitmap(bottomRight.X - topLeft.X, bottomRight.Y - topLeft.Y);
foreach (String path in paths)
{
count++;
if (updateStatus != null)
updateStatus(String.Format(format, count));
if (log != null)
{
log.Write(String.Format(format, count));
log.WriteLine(String.Format(" :: {0}", Path.GetFileName(path)));
}
RegionFile region = new RegionFile(path);
Coord offset = new Coord(region.Coords);
offset.RegiontoAbsolute();
offset.Add(-topLeft.X, -topLeft.Y);
if (BiomeOverlay)
RenderRegionBiomes(region, map, offset.X, offset.Z);
else
RenderRegion(region, map, offset.X, offset.Z);
}
if (CropMap)
map = Crop(map);
Rotate = (Rotate % 360) / 90;
if (Rotate == 1)
map.RotateFlip(RotateFlipType.Rotate90FlipNone);
else if (Rotate == 2)
map.RotateFlip(RotateFlipType.Rotate180FlipNone);
else if (Rotate == 3)
map.RotateFlip(RotateFlipType.Rotate270FlipNone);
map.Save(outPath, ImageFormat.Png);
map.Dispose();
}
if (updateStatus != null)
updateStatus("Done");
if (log != null)
log.WriteLine("Done");
if (callback != null)
callback();
}
private static void RenderRegionChunkstobePopulated(RegionFile region, int chunkStartX, int chunkEndX, int chunkStartZ, int chunkEndZ, int offsetX, int offsetY, Bitmap populate)
{
using (Graphics g = Graphics.FromImage(populate))
{
Brush brush = new SolidBrush(Color.Yellow);
for (int x = chunkStartX; x <= chunkEndX; x++)
{
for (int z = chunkStartZ; z <= chunkEndZ; z++)
{
Chunk c = region.Chunks[x, z];
if (c == null || c.Root == null)
continue;
Coord chunkOffset = new Coord(c.Coords);
chunkOffset.ChunktoRegionRelative();
chunkOffset = new Coord(chunkOffset.X - chunkStartX, chunkOffset.Z - chunkStartZ);
chunkOffset.ChunktoAbsolute();
chunkOffset.Add(offsetX, offsetY);
RenderChunktobePopulated(c, g, brush, chunkOffset.X, chunkOffset.Z);
}
}
brush.Dispose();
}
}
private static void RenderRegionTerrain(RegionFile region, int chunkStartX, int chunkEndX, int chunkStartZ, int chunkEndZ, int offsetX, int offsetY, Bitmap map)
{
if (signal != null || mutex != null || taskCount > 0)
throw new Exception("RenderRegionTerrain re-entered, shouldn't be possible.");
signal = new ManualResetEvent(false);
taskCount = (chunkEndX - chunkStartX + 1) * (chunkEndZ - chunkStartZ + 1);
mutex = new Mutex();
for (int x = chunkStartX; x <= chunkEndX; x++)
{
for (int z = chunkStartZ; z <= chunkEndZ; z++)
{
Chunk c = region.Chunks[x, z];
if (c == null || c.Root == null)
{
if (Interlocked.Decrement(ref taskCount) == 0)
signal.Set();
continue;
}
Coord chunkOffset = new Coord(c.Coords);
chunkOffset.ChunktoRegionRelative();
chunkOffset = new Coord(chunkOffset.X - chunkStartX, chunkOffset.Z - chunkStartZ);
chunkOffset.ChunktoAbsolute();
chunkOffset.Add(offsetX, offsetY);
ThreadPool.QueueUserWorkItem(RenderChunkTerrain, new Object[]{c, map, chunkOffset.X, chunkOffset.Z});
}
}
signal.WaitOne();
signal.Dispose();
signal = null;
mutex.WaitOne();
mutex.ReleaseMutex();
mutex.Dispose();
mutex = null;
}
private static void RenderRegionBiomes(RegionFile region, int chunkStartX, int chunkEndX, int chunkStartZ, int chunkEndZ, int offsetX, int offsetY, Bitmap biomes, String[,] toolTips)
{
for (int x = chunkStartX; x <= chunkEndX; x++)
{
for (int z = chunkStartZ; z <= chunkEndZ; z++)
{
Chunk c = region.Chunks[x, z];
if (c == null || c.Root == null)
continue;
Coord chunkOffset = new Coord(c.Coords);
chunkOffset.ChunktoRegionRelative();
chunkOffset = new Coord(chunkOffset.X - chunkStartX, chunkOffset.Z - chunkStartZ);
chunkOffset.ChunktoAbsolute();
chunkOffset.Add(offsetX, offsetY);
RenderChunkBiomes(c, biomes, toolTips, chunkOffset.X, chunkOffset.Z);
}
}
}