Automap/Subsystems/AutomapSystem.cs

   1 using System;
   2 using System.Collections.Concurrent;
   3 using System.Collections.Generic;
   4 using System.Collections.ObjectModel;
   5
   6 using System.IO;
   7 using System.Linq;
   8 using System.Text;
   9 using System.Text.RegularExpressions;
  10 using System.Threading;
  11 using System.Web.UI;
  12
  13 using Hjg.Pngcs;
  14 using Hjg.Pngcs.Chunks;
  15
  16 using Vintagestory.API.Client;
  17 using Vintagestory.API.Common;
  18 using Vintagestory.API.Common.Entities;
  19 using Vintagestory.API.MathTools;
  20 using Vintagestory.Common;
  21
  22 namespace Automap
  23 {
  24         public class AutomapSystem
  25         {
  26                 private Thread cartographer_thread;
  27                 private ICoreClientAPI ClientAPI { get; set; }
  28                 private ILogger Logger { get; set; }
  29                 private IChunkRenderer ChunkRenderer { get; set; }
  30
  31                 private const string _mapPath = @"Maps";
  32                 private const string _chunkPath = @"Chunks";
  33                 private const string _domain = @"automap";
  34                 private const string chunkFile_filter = @"*_*.png";
  35                 private static Regex chunkShardRegex = new Regex(@"(?<X>[\d]+)_(?<Z>[\d]+).png", RegexOptions.Singleline);
  36
  37                 private ConcurrentDictionary<Vec2i, uint> columnCounter = new ConcurrentDictionary<Vec2i, uint>(3, 150 );
  38                 private ColumnsMetadata chunkTopMetadata;
  39                 private PointsOfInterest POIs;
  40                 private EntitiesOfInterest EOIs;
  41
  42                 internal Dictionary<int, BlockDesignator> BlockID_Designators { get; private set;}
  43                 internal Dictionary<AssetLocation, EntityDesignator> Entity_Designators { get; private set; }
  44
  45                 internal bool Enabled { get; set; }
  46                 //Run status, Chunks processed, stats, center of map....
  47                 internal uint nullChunkCount, updatedChunksTotal;
  48                 internal Vec2i startChunkColumn;
  49
  50                 private readonly int chunkSize;
  51                 private string path;
  52                 private IAsset stylesFile;
  53
  54
  55                 public AutomapSystem(ICoreClientAPI clientAPI, ILogger logger)
  56                 {
  57                 this.ClientAPI = clientAPI;
  58                 this.Logger = logger;
  59                 chunkSize = ClientAPI.World.BlockAccessor.ChunkSize;
  60                 ClientAPI.Event.LevelFinalize += EngageAutomap;
  61
  62                 //TODO:Choose which one from GUI
  63                 this.ChunkRenderer = new StandardRenderer(clientAPI, logger);
  64                 }
  65
  66
  67                 #region Internals
  68                 private void EngageAutomap( )
  69                 {
  70                 path = ClientAPI.GetOrCreateDataPath(_mapPath);
  71                 path = ClientAPI.GetOrCreateDataPath(Path.Combine(path, "World_" + ClientAPI.World.Seed));//Add name of World too...'ServerApi.WorldManager.CurrentWorldName'
  72
  73                 stylesFile = ClientAPI.World.AssetManager.Get(new AssetLocation(_domain, "config/automap_format.css"));
  74                 Logger.VerboseDebug("CSS loaded: {0} size: {1}",stylesFile.IsLoaded() ,stylesFile.ToText( ).Length);
  75
  76                 Prefill_POI_Designators( );
  77                 startChunkColumn = new Vec2i((ClientAPI.World.Player.Entity.LocalPos.AsBlockPos.X / chunkSize), (ClientAPI.World.Player.Entity.LocalPos.AsBlockPos.Z / chunkSize));
  78                 chunkTopMetadata = new ColumnsMetadata(startChunkColumn);
  79
  80                 Logger.Notification("AUTOMAP Start {0}", startChunkColumn);
  81                 Reload_Metadata( );
  82
  83                 ClientAPI.Event.ChunkDirty += ChunkAChanging;
  84
  85                 cartographer_thread = new Thread(Cartographer);
  86                 cartographer_thread.Name = "Cartographer";
  87                 cartographer_thread.Priority = ThreadPriority.Lowest;
  88                 cartographer_thread.IsBackground = true;
  89
  90                 ClientAPI.Event.RegisterGameTickListener(AwakenCartographer, 6000);
  91                 }
  92
  93                 private void ChunkAChanging(Vec3i chunkCoord, IWorldChunk chunk, EnumChunkDirtyReason reason)
  94                 {
  95                 Vec2i topPosition = new Vec2i(chunkCoord.X, chunkCoord.Z);
  96
  97                         columnCounter.AddOrUpdate(topPosition, 1, (key, colAct) => colAct + 1);
  98                 }
  99
 100                 private void AwakenCartographer(float delayed)
 101                 {
 102
 103                 if (Enabled && (ClientAPI.IsGamePaused != false || ClientAPI.IsShuttingDown != true)) {
 104                 #if DEBUG
 105                 Logger.VerboseDebug("Cartographer re-trigger from [{0}]", cartographer_thread.ThreadState);
 106                 #endif
 107
 108                 if (cartographer_thread.ThreadState.HasFlag(ThreadState.Unstarted)) {
 109                 cartographer_thread.Start( );
 110                 }
 111                 else if (cartographer_thread.ThreadState.HasFlag(ThreadState.WaitSleepJoin)) {
 112                 //Time to (re)write chunk shards
 113                 cartographer_thread.Interrupt( );
 114                 }
 115                 #if DEBUG
 116                 ClientAPI.TriggerChatMessage($"Automap {updatedChunksTotal} Updates - MAX (N:{chunkTopMetadata.North_mostChunk},S:{chunkTopMetadata.South_mostChunk},E:{chunkTopMetadata.East_mostChunk}, W:{chunkTopMetadata.West_mostChunk} - TOTAL: {chunkTopMetadata.Count})");
 117                 #endif
 118                 }
 119
 120                 }
 121
 122
 123                 private void Cartographer( )
 124                 {
 125         wake:
 126                 Logger.VerboseDebug("Cartographer thread awoken");
 127
 128                 try {
 129                 uint ejectedItem = 0;
 130                 uint updatedChunks = 0;
 131
 132                 //-- Should dodge enumerator changing underfoot....at a cost.
 133                 if (!columnCounter.IsEmpty) {
 134                 var tempSet = columnCounter.ToArray( ).OrderByDescending(kvp => kvp.Value);
 135                 foreach (var mostActiveCol in tempSet) {
 136
 137                 var mapChunk = ClientAPI.World.BlockAccessor.GetMapChunk(mostActiveCol.Key);
 138
 139                 if (mapChunk == null) {
 140                 Logger.Warning("SKIP CHUNK: ({0}) - Map Chunk NULL!", mostActiveCol.Key);
 141                 nullChunkCount++;
 142                 columnCounter.TryRemove(mostActiveCol.Key, out ejectedItem );
 143                 continue;
 144                 }
 145
 146                 ColumnMeta chunkMeta = CreateColumnMetadata(mostActiveCol,mapChunk);
 147                 PngWriter pngWriter = SetupPngImage(mostActiveCol.Key, chunkMeta);
 148                 UpdateEntityMetadata( );
 149                 ProcessChunkBlocks(mostActiveCol.Key, mapChunk, chunkMeta);
 150
 151                 uint updatedPixels = 0;
 152
 153                 ChunkRenderer.GenerateChunkPngShard(mostActiveCol.Key, mapChunk, chunkMeta, pngWriter , out updatedPixels);
 154
 155                 if (updatedPixels > 0) {
 156
 157                 #if DEBUG
 158                 Logger.VerboseDebug("Wrote chunk shard: ({0}) - Edits#:{1}, Pixels#:{2}", mostActiveCol.Key, mostActiveCol.Value, updatedPixels);
 159                 #endif
 160                 updatedChunks++;
 161                 chunkTopMetadata.Update(chunkMeta);
 162                 columnCounter.TryRemove(mostActiveCol.Key, out ejectedItem);
 163                 }
 164                 else {
 165                 columnCounter.TryRemove(mostActiveCol.Key, out ejectedItem);
 166                 Logger.VerboseDebug("Un-painted chunk: ({0}) ", mostActiveCol.Key);
 167                 }
 168
 169                 }
 170                 }
 171
 172                 if (updatedChunks > 0) {
 173                 //What about chunk updates themselves; a update bitmap isn't kept...
 174                 updatedChunksTotal += updatedChunks;
 175                 GenerateMapHTML( );
 176                 updatedChunks = 0;
 177                 }
 178
 179                 //Then sleep until interupted again, and repeat
 180
 181                 Logger.VerboseDebug("Thread '{0}' about to sleep indefinitely.", Thread.CurrentThread.Name);
 182
 183                 Thread.Sleep(Timeout.Infinite);
 184
 185                 } catch (ThreadInterruptedException) {
 186
 187                 Logger.VerboseDebug("Thread '{0}' interupted [awoken]", Thread.CurrentThread.Name);
 188                 goto wake;
 189
 190                 } catch (ThreadAbortException) {
 191                 Logger.VerboseDebug("Thread '{0}' aborted.", Thread.CurrentThread.Name);
 192
 193                 } finally {
 194                 Logger.VerboseDebug("Thread '{0}' executing finally block.", Thread.CurrentThread.Name);
 195                 }
 196                 }
 197
 198                 private void Prefill_POI_Designators( )
 199                 {
 200                 this.POIs = new PointsOfInterest( );
 201                 this.EOIs = new EntitiesOfInterest( );
 202                 this.BlockID_Designators = new Dictionary<int, BlockDesignator>( );
 203                 this.Entity_Designators = new Dictionary<AssetLocation, EntityDesignator>( );
 204
 205                 //Add special marker types for BlockID's of "Interest", overwrite colour, and method
 206
 207                 Install_POI_Designators(DefaultDesignators.DefaultBlockDesignators(), DefaultDesignators.DefaultEntityDesignators());
 208                 }
 209
 210                 private void Install_POI_Designators(ICollection<BlockDesignator> blockDesig, List<EntityDesignator> entDesig)
 211                 {
 212                 Logger.VerboseDebug("Connecting {0} standard Block-Designators", blockDesig.Count);
 213                 foreach (var designator in blockDesig) {
 214                         var blockIDs = Helpers.ArbitrarytBlockIdHunter(ClientAPI, designator.Pattern, designator.Material);
 215                                 if (blockIDs.Count > 0) { Logger.VerboseDebug("Designator {0} has {1} associated blockIDs", designator.ToString( ), blockIDs.Count); }
 216                         foreach (var entry in blockIDs) {
 217                         BlockID_Designators.Add(entry.Key, designator);
 218                         }
 219                 }
 220                 this.ChunkRenderer.BlockID_Designators = BlockID_Designators;
 221
 222
 223                 Logger.VerboseDebug("Connecting {0} standard Entity-Designators", entDesig.Count);
 224                 foreach (var designator in entDesig) {
 225                 //Get Variants first, from EntityTypes...better be populated!
 226                 var matched = ClientAPI.World.EntityTypes.FindAll(entp => entp.Code.BeginsWith(designator.Pattern.Domain, designator.Pattern.Path));
 227
 228                 foreach (var match in matched) {
 229                 Logger.VerboseDebug("Linked Entity: {0} Designator: {1}", match.Code, designator);
 230                 this.Entity_Designators.Add(match.Code, designator);
 231                 }
 232
 233
 234
 235                 //EntityProperties props = ClientAPI.World.GetEntityType(designator.Pattern);
 236                 }
 237
 238
 239                 }
 240
 241                 //TODO: Convert to RAZOR model
 242                 private void GenerateMapHTML( )
 243                 {
 244                 string mapFilename = Path.Combine(path, "Automap.html");
 245
 246                 int TopNorth = chunkTopMetadata.North_mostChunk;
 247                 int TopSouth = chunkTopMetadata.South_mostChunk;
 248                 int TopEast = chunkTopMetadata.East_mostChunk;
 249                 int TopWest = chunkTopMetadata.West_mostChunk;
 250
 251                 using (StreamWriter outputText = new StreamWriter(File.Open(mapFilename, FileMode.Create, FileAccess.Write, FileShare.ReadWrite))) {
 252                 using (HtmlTextWriter tableWriter = new HtmlTextWriter(outputText)) {
 253                 tableWriter.BeginRender( );
 254                 tableWriter.RenderBeginTag(HtmlTextWriterTag.Html);
 255
 256                 tableWriter.RenderBeginTag(HtmlTextWriterTag.Head);
 257                 tableWriter.RenderBeginTag(HtmlTextWriterTag.Title);
 258                 tableWriter.WriteEncodedText("Generated Automap");
 259                 tableWriter.RenderEndTag( );
 260                 //CSS  style  here
 261                 tableWriter.RenderBeginTag(HtmlTextWriterTag.Style);
 262                 tableWriter.Write(stylesFile.ToText( ));
 263                 tableWriter.RenderEndTag( );//</style>
 264
 265                 //## JSON map-state data ######################
 266                 tableWriter.AddAttribute(HtmlTextWriterAttribute.Type, "text/javascript");
 267                 tableWriter.RenderBeginTag(HtmlTextWriterTag.Script);
 268
 269                 tableWriter.Write("var available_images = [");
 270
 271                 foreach (var shard in this.chunkTopMetadata) {
 272                 tableWriter.Write("{{X:{0},Y:{1} }}, ", shard.Location.X, shard.Location.Y);
 273                 }
 274
 275                 tableWriter.Write(" ];\n");
 276
 277                 tableWriter.RenderEndTag( );
 278
 279                 tableWriter.RenderEndTag( );
 280
 281                 tableWriter.RenderBeginTag(HtmlTextWriterTag.Body);
 282                 tableWriter.RenderBeginTag(HtmlTextWriterTag.P);
 283                 tableWriter.WriteEncodedText($"Created {DateTimeOffset.UtcNow.ToString("u")}");
 284                 tableWriter.RenderEndTag( );
 285                 tableWriter.RenderBeginTag(HtmlTextWriterTag.P);
 286                 tableWriter.WriteEncodedText($"W:{TopWest}, E: {TopEast}, N:{TopNorth}, S:{TopSouth} ");
 287                 tableWriter.RenderEndTag( );
 288                 tableWriter.WriteLine( );
 289                 tableWriter.RenderBeginTag(HtmlTextWriterTag.Table);
 290                 tableWriter.RenderBeginTag(HtmlTextWriterTag.Caption);
 291                 tableWriter.WriteEncodedText($"Start: {startChunkColumn}, Seed: {ClientAPI.World.Seed}\n");
 292                 tableWriter.RenderEndTag( );
 293
 294                 //################ X-Axis <thead> #######################
 295                 tableWriter.RenderBeginTag(HtmlTextWriterTag.Thead);
 296                 tableWriter.RenderBeginTag(HtmlTextWriterTag.Tr);
 297
 298                 tableWriter.RenderBeginTag(HtmlTextWriterTag.Th);
 299                 tableWriter.Write("N, W");
 300                 tableWriter.RenderEndTag( );
 301
 302                 for (int xAxisT = TopWest; xAxisT <= TopEast; xAxisT++) {
 303                 tableWriter.RenderBeginTag(HtmlTextWriterTag.Th);
 304                 tableWriter.Write(xAxisT);
 305                 tableWriter.RenderEndTag( );
 306                 }
 307
 308                 tableWriter.RenderBeginTag(HtmlTextWriterTag.Th);
 309                 tableWriter.Write("N, E");
 310                 tableWriter.RenderEndTag( );
 311
 312                 tableWriter.RenderEndTag( );
 313                 tableWriter.RenderEndTag( );
 314                 //###### </thead> ################################
 315
 316                 //###### <tbody> - Chunk rows & Y-axis cols
 317                 tableWriter.RenderBeginTag(HtmlTextWriterTag.Tbody);
 318
 319                 //######## <tr> for every vertical row
 320                 for (int yAxis = TopNorth; yAxis <= TopSouth; yAxis++) {
 321                 tableWriter.RenderBeginTag(HtmlTextWriterTag.Tr);
 322                 tableWriter.RenderBeginTag(HtmlTextWriterTag.Td);
 323                 tableWriter.Write(yAxis);//legend: Y-axis
 324                 tableWriter.RenderEndTag( );
 325
 326                 for (int xAxis = TopWest; xAxis <= TopEast; xAxis++) {
 327                 //###### <td>  #### for chunk shard
 328                 tableWriter.RenderBeginTag(HtmlTextWriterTag.Td);
 329                 var colLoc = new Vec2i(xAxis, yAxis);
 330                 if (chunkTopMetadata.Contains( colLoc)){
 331                 ColumnMeta meta = chunkTopMetadata[colLoc];
 332                 //Tooltip first
 333                 tableWriter.AddAttribute(HtmlTextWriterAttribute.Class, "tooltip");
 334                 tableWriter.RenderBeginTag(HtmlTextWriterTag.Div);
 335
 336                 tableWriter.AddAttribute(HtmlTextWriterAttribute.Src, $"{xAxis}_{yAxis}.png");
 337                 tableWriter.RenderBeginTag(HtmlTextWriterTag.Img);
 338                 tableWriter.RenderEndTag( );
 339                 // <span class="tooltiptext">Tooltip text
 340                 tableWriter.AddAttribute(HtmlTextWriterAttribute.Class, "tooltiptext");
 341                 tableWriter.RenderBeginTag(HtmlTextWriterTag.Span);
 342
 343                 StringBuilder tooltipText = new StringBuilder( );
 344                 tooltipText.Append($"{meta.Location.PrettyCoords(ClientAPI)} ");
 345                 tooltipText.Append($" Max-Height: {meta.YMax}, Temp: {meta.Temperature.ToString("F1")} " );
 346                 tooltipText.Append($" Rainfall: {meta.Rainfall.ToString("F1")}, ");
 347                 tooltipText.Append($" Shrubs: {meta.ShrubDensity.ToString("F1")}, ");
 348                 tooltipText.Append($" Forest: {meta.ForestDensity.ToString("F1")}, ");
 349                 tooltipText.Append($" Fertility: {meta.Fertility.ToString("F1")}, ");
 350
 351                 if (meta.RockRatio != null) {
 352                 foreach (KeyValuePair<int, uint> blockID in meta.RockRatio) {
 353                 var block = ClientAPI.World.GetBlock(blockID.Key);
 354                 tooltipText.AppendFormat(" {0} × {1},\t", block.Code.GetName( ), meta.RockRatio[blockID.Key]);
 355                 }
 356                 }
 357
 358                 tableWriter.WriteEncodedText(tooltipText.ToString() );
 359
 360                 tableWriter.RenderEndTag( );//</span>
 361
 362
 363                 tableWriter.RenderEndTag( );//</div> --tooltip enclosure
 364                 }
 365                 else {
 366                 tableWriter.Write("?");
 367                 }
 368
 369                 tableWriter.RenderEndTag( );
 370                 }//############ </td> ###########
 371
 372                 tableWriter.RenderBeginTag(HtmlTextWriterTag.Td);
 373                 tableWriter.Write(yAxis);//legend: Y-axis
 374                 tableWriter.RenderEndTag( );
 375
 376                 tableWriter.RenderEndTag( );
 377
 378                 }
 379                 tableWriter.RenderEndTag( );
 380
 381                 //################ X-Axis <tfoot> #######################
 382                 tableWriter.RenderBeginTag(HtmlTextWriterTag.Tfoot);
 383                 tableWriter.RenderBeginTag(HtmlTextWriterTag.Tr);
 384
 385                 tableWriter.RenderBeginTag(HtmlTextWriterTag.Td);
 386                 tableWriter.Write("S, W");
 387                 tableWriter.RenderEndTag( );
 388
 389                 for (int xAxisB = TopWest; xAxisB <= TopEast; xAxisB++) {
 390                 tableWriter.RenderBeginTag(HtmlTextWriterTag.Td);
 391                 tableWriter.Write(xAxisB);
 392                 tableWriter.RenderEndTag( );
 393                 }
 394
 395                 tableWriter.RenderBeginTag(HtmlTextWriterTag.Td);
 396                 tableWriter.Write("S, E");
 397                 tableWriter.RenderEndTag( );
 398
 399                 tableWriter.RenderEndTag( );
 400                 tableWriter.RenderEndTag( );
 401                 //###### </tfoot> ################################
 402
 403
 404                 tableWriter.RenderEndTag( );//</table>
 405
 406                 //############## POI list #####################
 407                 tableWriter.RenderBeginTag(HtmlTextWriterTag.P);
 408                 tableWriter.WriteLine("Points of Interest");
 409                 tableWriter.RenderEndTag( );
 410                 tableWriter.RenderBeginTag(HtmlTextWriterTag.Ul);
 411                 foreach (var poi in this.POIs) {
 412                 tableWriter.RenderBeginTag(HtmlTextWriterTag.Li);
 413                 tableWriter.WriteEncodedText(poi.Location.PrettyCoords(this.ClientAPI)+"\t");
 414                 tableWriter.WriteEncodedText(poi.Notes+ "\t");
 415                 tableWriter.WriteEncodedText(poi.Timestamp.ToString("u"));
 416                 tableWriter.RenderEndTag( );
 417                 }
 418
 419                 foreach (var eoi in this.EOIs.PointsList) {
 420                 tableWriter.RenderBeginTag(HtmlTextWriterTag.Li);
 421                 tableWriter.WriteEncodedText(eoi.Location.PrettyCoords(this.ClientAPI)+ "\t");
 422                 tableWriter.WriteEncodedText(eoi.Notes+ "\t");
 423                 tableWriter.WriteEncodedText(eoi.Timestamp.ToString("u") );
 424                 tableWriter.RenderEndTag( );
 425                 }
 426
 427                 tableWriter.RenderEndTag( );
 428
 429
 430
 431
 432                 tableWriter.RenderEndTag( );//### </BODY> ###
 433
 434                 tableWriter.EndRender( );
 435                 tableWriter.Flush( );
 436                 }
 437                 outputText.Flush( );
 438                 }
 439
 440                 Logger.VerboseDebug("Generated HTML map");
 441                 }
 442
 443
 444
 445                 private ColumnMeta CreateColumnMetadata(KeyValuePair<Vec2i, uint> mostActiveCol, IMapChunk mapChunk)
 446                 {
 447                 ColumnMeta data = new ColumnMeta(mostActiveCol.Key.Copy(), chunkSize);
 448                 BlockPos equivBP = new BlockPos(mostActiveCol.Key.X * chunkSize,
 449                                                                                 mapChunk.YMax,
 450                                                                                 mostActiveCol.Key.Y * chunkSize);
 451
 452                 var climate = ClientAPI.World.BlockAccessor.GetClimateAt(equivBP);
 453                 data.UpdateFieldsFrom(climate, mapChunk,TimeSpan.FromHours(ClientAPI.World.Calendar.TotalHours));
 454
 455                 return data;
 456                 }
 457
 458                 /// <summary>
 459                 /// Reload chunk bounds from chunk shards
 460                 /// </summary>
 461                 /// <returns>The metadata.</returns>
 462                 private void Reload_Metadata( )
 463                 {
 464                 var worldmapDir = new DirectoryInfo(path);
 465
 466                 if (worldmapDir.Exists) {
 467
 468                 var files = worldmapDir.GetFiles(chunkFile_filter);
 469
 470                 if (files.Length > 0) {
 471                 #if DEBUG
 472                 Logger.VerboseDebug("{0} Existing world chunk shards", files.Length);
 473                 #endif
 474
 475
 476
 477                 foreach (var shardFile in files) {
 478
 479                 if (shardFile.Length < 1000) continue;
 480                 var result = chunkShardRegex.Match(shardFile.Name);
 481                 if (result.Success) {
 482                 int X_chunk_pos = int.Parse(result.Groups["X"].Value );
 483                 int Z_chunk_pos = int.Parse(result.Groups["Z"].Value );
 484
 485                 //Parse PNG chunks for METADATA in shard
 486                 using (var fileStream = shardFile.OpenRead( ))
 487                 {
 488                 PngReader pngRead = new PngReader(fileStream );
 489                 pngRead.ReadSkippingAllRows( );
 490                 pngRead.End( );
 491
 492                 PngMetadataChunk metadataFromPng = pngRead.GetChunksList( ).GetById1(PngMetadataChunk.ID) as PngMetadataChunk;
 493
 494                 chunkTopMetadata.Add(metadataFromPng.ChunkMetadata);
 495                 }
 496
 497                 }
 498                 }
 499
 500                 }
 501                 }
 502                 else {
 503                 #if DEBUG
 504                 Logger.VerboseDebug("Could not open world map directory");
 505                 #endif
 506                 }
 507
 508
 509
 510                 }
 511
 512                 private PngWriter SetupPngImage(Vec2i coord, ColumnMeta metadata)
 513                 {
 514                 ImageInfo imageInf = new ImageInfo(chunkSize, chunkSize, 8, false);
 515
 516                 string filename = $"{coord.X}_{coord.Y}.png";
 517                 filename = Path.Combine(path, filename);
 518
 519                 PngWriter pngWriter = FileHelper.CreatePngWriter(filename, imageInf, true);
 520                 PngMetadata meta = pngWriter.GetMetadata( );
 521                 meta.SetTimeNow( );
 522                 meta.SetText("Chunk_X", coord.X.ToString("D"));
 523                 meta.SetText("Chunk_Y", coord.Y.ToString("D"));
 524                 //Setup specialized meta-data PNG chunks here...
 525                 PngMetadataChunk pngChunkMeta = new PngMetadataChunk(pngWriter.ImgInfo);
 526                 pngChunkMeta.ChunkMetadata = metadata;
 527                 pngWriter.GetChunksList( ).Queue(pngChunkMeta);
 528
 529                 return pngWriter;
 530                 }
 531
 532                 /// <summary>
 533                 /// Does the heavy lifting of Scanning columns of chunks - creates Heightmap and Processes POIs, Entities, and stats...
 534                 /// </summary>
 535                 /// <param name="key">Chunk Coordinate</param>
 536                 /// <param name="mapChunk">Map chunk.</param>
 537                 /// <param name="chunkMeta">Chunk metadata</param>
 538                 private void ProcessChunkBlocks(Vec2i key, IMapChunk mapChunk, ColumnMeta chunkMeta)
 539                 {
 540                 //TODO: build stack of chunk(s) - surface down to bedrock
 541                 int topChunkY = mapChunk.YMax / chunkSize;
 542                 WorldChunk chunkData = ( Vintagestory.Common.WorldChunk )ClientAPI.World.BlockAccessor.GetChunk(key.X, topChunkY, key.Y);
 543
 544                 if (chunkData.BlockEntities != null && chunkData.BlockEntities.Length > 0) {
 545                 #if DEBUG
 546                 Logger.VerboseDebug("Surface@ {0} = BlockEntities: {1}", key, chunkData.BlockEntities.Length);
 547
 548                 foreach (var blockEnt in chunkData.BlockEntities) {
 549                         if (BlockID_Designators.ContainsKey(blockEnt.Block.BlockId))
 550                         {
 551                         var designator = BlockID_Designators[blockEnt.Block.BlockId];
 552                         designator.SpecialAction(ClientAPI, POIs, blockEnt.Pos.Copy(), blockEnt.Block);
 553                         }
 554                 }
 555                 #endif
 556                 }
 557
 558                 }
 559
 560                 private void UpdateEntityMetadata( )
 561                 {
 562                 Logger.Debug("Presently {0} Entities", ClientAPI.World.LoadedEntities.Count);
 563                 //Mabey scan only for 'new' entities by tracking ID in set?
 564                 foreach (var loadedEntity in ClientAPI.World.LoadedEntities.ToList()) {
 565
 566                 #if DEBUG
 567                 //Logger.VerboseDebug($"ENTITY: ({loadedEntity.Value.Code}) = #{loadedEntity.Value.EntityId} {loadedEntity.Value.State} {loadedEntity.Value.LocalPos}    <<<<<<<<<<<<");
 568                 #endif
 569
 570                 var dMatch = Entity_Designators.SingleOrDefault(se => se.Key.Equals(loadedEntity.Value.Code));
 571                 if (dMatch.Value != null) {
 572                         if (dMatch.Value.Enabled) {
 573                         dMatch.Value.SpecialAction(ClientAPI, this.EOIs, loadedEntity.Value.LocalPos.AsBlockPos.Copy( ), loadedEntity.Value);
 574                         }
 575                 }
 576
 577                 }
 578
 579
 580                 }
 581
 582
 583
 584
 585
 586                 #endregion
 587
 588
 589         }
 590
 591 }