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.Config;
  20 using Vintagestory.API.MathTools;
  21 using Vintagestory.Common;
  22
  23 namespace Automap
  24 {
  25         public class AutomapSystem
  26         {
  27                 private Thread cartographer_thread;
  28                 private ICoreClientAPI ClientAPI { get; set; }
  29                 private ILogger Logger { get; set; }
  30                 private IChunkRenderer ChunkRenderer { get; set; }
  31
  32                 private const string _mapPath = @"Maps";
  33                 private const string _chunkPath = @"Chunks";
  34                 private const string _domain = @"automap";
  35                 private const string chunkFile_filter = @"*_*.png";
  36                 private static Regex chunkShardRegex = new Regex(@"(?<X>[\d]+)_(?<Z>[\d]+).png", RegexOptions.Singleline);
  37
  38                 private ConcurrentDictionary<Vec2i, uint> columnCounter = new ConcurrentDictionary<Vec2i, uint>(3, 150 );
  39                 private ColumnsMetadata chunkTopMetadata;
  40                 private PointsOfInterest POIs;
  41                 private EntitiesOfInterest EOIs;
  42
  43                 internal Dictionary<int, BlockDesignator> BlockID_Designators { get; private set;}
  44                 internal Dictionary<AssetLocation, EntityDesignator> Entity_Designators { get; private set; }
  45                 internal Dictionary<int, string> RockIdCodes { get; private set; }
  46
  47                 internal bool Enabled { get; set; }
  48                 //Run status, Chunks processed, stats, center of map....
  49                 private uint nullChunkCount, updatedChunksTotal;
  50                 private Vec2i startChunkColumn;
  51
  52                 private readonly int chunkSize;
  53                 private string path;
  54                 private IAsset stylesFile;
  55
  56                 public static string automapStatusEventKey = @"AutomapStatus";
  57
  58
  59                 public AutomapSystem(ICoreClientAPI clientAPI, ILogger logger)
  60                 {
  61                 this.ClientAPI = clientAPI;
  62                 this.Logger = logger;
  63                 chunkSize = ClientAPI.World.BlockAccessor.ChunkSize;
  64                 ClientAPI.Event.LevelFinalize += EngageAutomap;
  65
  66                 //TODO:Choose which one from GUI
  67                 this.ChunkRenderer = new StandardRenderer(clientAPI, logger);
  68                 }
  69
  70
  71                 #region Internals
  72                 private void EngageAutomap( )
  73                 {
  74                 path = ClientAPI.GetOrCreateDataPath(_mapPath);
  75                 path = ClientAPI.GetOrCreateDataPath(Path.Combine(path, "World_" + ClientAPI.World.Seed));//Add name of World too...'ServerApi.WorldManager.CurrentWorldName'
  76
  77                 stylesFile = ClientAPI.World.AssetManager.Get(new AssetLocation(_domain, "config/automap_format.css"));
  78                 Logger.VerboseDebug("CSS loaded: {0} size: {1}",stylesFile.IsLoaded() ,stylesFile.ToText( ).Length);
  79
  80                 Prefill_POI_Designators( );
  81                 startChunkColumn = new Vec2i((ClientAPI.World.Player.Entity.LocalPos.AsBlockPos.X / chunkSize), (ClientAPI.World.Player.Entity.LocalPos.AsBlockPos.Z / chunkSize));
  82                 chunkTopMetadata = new ColumnsMetadata(startChunkColumn);
  83
  84                 Logger.Notification("AUTOMAP Start {0}", startChunkColumn);
  85                 Reload_Metadata( );
  86
  87                 ClientAPI.Event.ChunkDirty += ChunkAChanging;
  88
  89                 cartographer_thread = new Thread(Cartographer);
  90                 cartographer_thread.Name = "Cartographer";
  91                 cartographer_thread.Priority = ThreadPriority.Lowest;
  92                 cartographer_thread.IsBackground = true;
  93
  94                 ClientAPI.Event.RegisterGameTickListener(AwakenCartographer, 6000);
  95                 }
  96
  97                 private void ChunkAChanging(Vec3i chunkCoord, IWorldChunk chunk, EnumChunkDirtyReason reason)
  98                 {
  99                 Vec2i topPosition = new Vec2i(chunkCoord.X, chunkCoord.Z);
 100
 101                         columnCounter.AddOrUpdate(topPosition, 1, (key, colAct) => colAct + 1);
 102                 }
 103
 104                 private void AwakenCartographer(float delayed)
 105                 {
 106
 107                 if (Enabled && (ClientAPI.IsGamePaused != false || ClientAPI.IsShuttingDown != true)) {
 108                 #if DEBUG
 109                 Logger.VerboseDebug("Cartographer re-trigger from [{0}]", cartographer_thread.ThreadState);
 110                 #endif
 111
 112                 if (cartographer_thread.ThreadState.HasFlag(ThreadState.Unstarted)) {
 113                 cartographer_thread.Start( );
 114                 }
 115                 else if (cartographer_thread.ThreadState.HasFlag(ThreadState.WaitSleepJoin)) {
 116                 //Time to (re)write chunk shards
 117                 cartographer_thread.Interrupt( );
 118                 }
 119                 #if DEBUG
 120                 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})");
 121                 #endif
 122                 }
 123
 124                 }
 125
 126
 127                 private void Cartographer( )
 128                 {
 129         wake:
 130                 Logger.VerboseDebug("Cartographer thread awoken");
 131
 132                 try {
 133                 uint ejectedItem = 0;
 134                 uint updatedChunks = 0;
 135
 136                 //-- Should dodge enumerator changing underfoot....at a cost.
 137                 if (!columnCounter.IsEmpty) {
 138                 var tempSet = columnCounter.ToArray( ).OrderByDescending(kvp => kvp.Value);
 139                 foreach (var mostActiveCol in tempSet) {
 140
 141                 var mapChunk = ClientAPI.World.BlockAccessor.GetMapChunk(mostActiveCol.Key);
 142
 143                 if (mapChunk == null) {
 144                 Logger.Warning("SKIP CHUNK: ({0}) - Map Chunk NULL!", mostActiveCol.Key);
 145                 nullChunkCount++;
 146                 columnCounter.TryRemove(mostActiveCol.Key, out ejectedItem );
 147                 continue;
 148                 }
 149
 150                 ColumnMeta chunkMeta = CreateColumnMetadata(mostActiveCol,mapChunk);
 151                 PngWriter pngWriter = SetupPngImage(mostActiveCol.Key, chunkMeta);
 152                 UpdateEntityMetadata( );
 153                 ProcessChunkBlocks(mostActiveCol.Key, mapChunk, chunkMeta);
 154
 155                 uint updatedPixels = 0;
 156
 157                 ChunkRenderer.GenerateChunkPngShard(mostActiveCol.Key, mapChunk, chunkMeta, pngWriter , out updatedPixels);
 158
 159                 if (updatedPixels > 0) {
 160
 161                 #if DEBUG
 162                 Logger.VerboseDebug("Wrote chunk shard: ({0}) - Edits#:{1}, Pixels#:{2}", mostActiveCol.Key, mostActiveCol.Value, updatedPixels);
 163                 #endif
 164                 updatedChunks++;
 165                 chunkTopMetadata.Update(chunkMeta);
 166                 columnCounter.TryRemove(mostActiveCol.Key, out ejectedItem);
 167                 }
 168                 else {
 169                 columnCounter.TryRemove(mostActiveCol.Key, out ejectedItem);
 170                 Logger.VerboseDebug("Un-painted chunk: ({0}) ", mostActiveCol.Key);
 171                 }
 172
 173                 }
 174                 }
 175
 176                 UpdateStatus(this.updatedChunksTotal, this.nullChunkCount, updatedChunks);
 177
 178                 if (updatedChunks > 0) {
 179                 //What about chunk updates themselves; a update bitmap isn't kept...
 180                 updatedChunksTotal += updatedChunks;
 181                 GenerateMapHTML( );
 182                 updatedChunks = 0;
 183                 }
 184
 185                 //Then sleep until interupted again, and repeat
 186
 187                 Logger.VerboseDebug("Thread '{0}' about to sleep indefinitely.", Thread.CurrentThread.Name);
 188
 189                 Thread.Sleep(Timeout.Infinite);
 190
 191                 } catch (ThreadInterruptedException) {
 192
 193                 Logger.VerboseDebug("Thread '{0}' interupted [awoken]", Thread.CurrentThread.Name);
 194                 goto wake;
 195
 196                 } catch (ThreadAbortException) {
 197                 Logger.VerboseDebug("Thread '{0}' aborted.", Thread.CurrentThread.Name);
 198
 199                 } finally {
 200                 Logger.VerboseDebug("Thread '{0}' executing finally block.", Thread.CurrentThread.Name);
 201                 }
 202                 }
 203
 204                 private void UpdateStatus( uint totalUpdates, uint voidChunks,  uint delta)
 205                 {
 206                 StatusData updateData = new StatusData(totalUpdates, voidChunks, delta);
 207
 208                 this.ClientAPI.Event.PushEvent(automapStatusEventKey, updateData);
 209                 }
 210
 211                 private void Prefill_POI_Designators( )
 212                 {
 213                 this.POIs = new PointsOfInterest( );
 214                 this.EOIs = new EntitiesOfInterest( );
 215                 this.BlockID_Designators = new Dictionary<int, BlockDesignator>( );
 216                 this.Entity_Designators = new Dictionary<AssetLocation, EntityDesignator>( );
 217                 this.RockIdCodes = Helpers.ArbitrarytBlockIdHunter(ClientAPI, new AssetLocation(GlobalConstants.DefaultDomain, "rock"), EnumBlockMaterial.Stone);
 218
 219                 //Add special marker types for BlockID's of "Interest", overwrite colour, and method
 220
 221                 Install_POI_Designators(DefaultDesignators.DefaultBlockDesignators(), DefaultDesignators.DefaultEntityDesignators());
 222                 }
 223
 224                 private void Install_POI_Designators(ICollection<BlockDesignator> blockDesig, List<EntityDesignator> entDesig)
 225                 {
 226                 Logger.VerboseDebug("Connecting {0} standard Block-Designators", blockDesig.Count);
 227                 foreach (var designator in blockDesig) {
 228                         var blockIDs = Helpers.ArbitrarytBlockIdHunter(ClientAPI, designator.Pattern, designator.Material);
 229                                 if (blockIDs.Count > 0) { Logger.VerboseDebug("Designator {0} has {1} associated blockIDs", designator.ToString( ), blockIDs.Count); }
 230                         foreach (var entry in blockIDs) {
 231                         BlockID_Designators.Add(entry.Key, designator);
 232                         }
 233                 }
 234                 this.ChunkRenderer.BlockID_Designators = BlockID_Designators;
 235
 236
 237                 Logger.VerboseDebug("Connecting {0} standard Entity-Designators", entDesig.Count);
 238                 foreach (var designator in entDesig) {
 239                 //Get Variants first, from EntityTypes...better be populated!
 240                 var matched = ClientAPI.World.EntityTypes.FindAll(entp => entp.Code.BeginsWith(designator.Pattern.Domain, designator.Pattern.Path));
 241
 242                 foreach (var match in matched) {
 243                 Logger.VerboseDebug("Linked Entity: {0} Designator: {1}", match.Code, designator);
 244                 this.Entity_Designators.Add(match.Code, designator);
 245                 }
 246
 247
 248
 249                 //EntityProperties props = ClientAPI.World.GetEntityType(designator.Pattern);
 250                 }
 251
 252
 253                 }
 254
 255                 //TODO: Convert to RAZOR model
 256                 private void GenerateMapHTML( )
 257                 {
 258                 string mapFilename = Path.Combine(path, "Automap.html");
 259
 260                 int TopNorth = chunkTopMetadata.North_mostChunk;
 261                 int TopSouth = chunkTopMetadata.South_mostChunk;
 262                 int TopEast = chunkTopMetadata.East_mostChunk;
 263                 int TopWest = chunkTopMetadata.West_mostChunk;
 264
 265                 using (StreamWriter outputText = new StreamWriter(File.Open(mapFilename, FileMode.Create, FileAccess.Write, FileShare.ReadWrite))) {
 266                 using (HtmlTextWriter tableWriter = new HtmlTextWriter(outputText)) {
 267                 tableWriter.BeginRender( );
 268                 tableWriter.RenderBeginTag(HtmlTextWriterTag.Html);
 269
 270                 tableWriter.RenderBeginTag(HtmlTextWriterTag.Head);
 271                 tableWriter.RenderBeginTag(HtmlTextWriterTag.Title);
 272                 tableWriter.WriteEncodedText("Generated Automap");
 273                 tableWriter.RenderEndTag( );
 274                 //CSS  style  here
 275                 tableWriter.RenderBeginTag(HtmlTextWriterTag.Style);
 276                 tableWriter.Write(stylesFile.ToText( ));
 277                 tableWriter.RenderEndTag( );//</style>
 278
 279                 //## JSON map-state data ######################
 280                 tableWriter.AddAttribute(HtmlTextWriterAttribute.Type, "text/javascript");
 281                 tableWriter.RenderBeginTag(HtmlTextWriterTag.Script);
 282
 283                 tableWriter.Write("var available_images = [");
 284
 285                 foreach (var shard in this.chunkTopMetadata) {
 286                 tableWriter.Write("{{X:{0},Y:{1} }}, ", shard.Location.X, shard.Location.Y);
 287                 }
 288
 289                 tableWriter.Write(" ];\n");
 290
 291                 tableWriter.RenderEndTag( );
 292
 293                 tableWriter.RenderEndTag( );
 294
 295                 tableWriter.RenderBeginTag(HtmlTextWriterTag.Body);
 296                 tableWriter.RenderBeginTag(HtmlTextWriterTag.P);
 297                 tableWriter.WriteEncodedText($"Created {DateTimeOffset.UtcNow.ToString("u")}");
 298                 tableWriter.RenderEndTag( );
 299                 tableWriter.RenderBeginTag(HtmlTextWriterTag.P);
 300                 tableWriter.WriteEncodedText($"W:{TopWest}, E: {TopEast}, N:{TopNorth}, S:{TopSouth} ");
 301                 tableWriter.RenderEndTag( );
 302                 tableWriter.WriteLine( );
 303                 tableWriter.RenderBeginTag(HtmlTextWriterTag.Table);
 304                 tableWriter.RenderBeginTag(HtmlTextWriterTag.Caption);
 305                 tableWriter.WriteEncodedText($"Start: {startChunkColumn}, Seed: {ClientAPI.World.Seed}\n");
 306                 tableWriter.RenderEndTag( );
 307
 308                 //################ X-Axis <thead> #######################
 309                 tableWriter.RenderBeginTag(HtmlTextWriterTag.Thead);
 310                 tableWriter.RenderBeginTag(HtmlTextWriterTag.Tr);
 311
 312                 tableWriter.RenderBeginTag(HtmlTextWriterTag.Th);
 313                 tableWriter.Write("N, W");
 314                 tableWriter.RenderEndTag( );
 315
 316                 for (int xAxisT = TopWest; xAxisT <= TopEast; xAxisT++) {
 317                 tableWriter.RenderBeginTag(HtmlTextWriterTag.Th);
 318                 tableWriter.Write(xAxisT);
 319                 tableWriter.RenderEndTag( );
 320                 }
 321
 322                 tableWriter.RenderBeginTag(HtmlTextWriterTag.Th);
 323                 tableWriter.Write("N, E");
 324                 tableWriter.RenderEndTag( );
 325
 326                 tableWriter.RenderEndTag( );
 327                 tableWriter.RenderEndTag( );
 328                 //###### </thead> ################################
 329
 330                 //###### <tbody> - Chunk rows & Y-axis cols
 331                 tableWriter.RenderBeginTag(HtmlTextWriterTag.Tbody);
 332
 333                 //######## <tr> for every vertical row
 334                 for (int yAxis = TopNorth; yAxis <= TopSouth; yAxis++) {
 335                 tableWriter.RenderBeginTag(HtmlTextWriterTag.Tr);
 336                 tableWriter.RenderBeginTag(HtmlTextWriterTag.Td);
 337                 tableWriter.Write(yAxis);//legend: Y-axis
 338                 tableWriter.RenderEndTag( );
 339
 340                 for (int xAxis = TopWest; xAxis <= TopEast; xAxis++) {
 341                 //###### <td>  #### for chunk shard
 342                 tableWriter.RenderBeginTag(HtmlTextWriterTag.Td);
 343                 var colLoc = new Vec2i(xAxis, yAxis);
 344                 if (chunkTopMetadata.Contains( colLoc)){
 345                 ColumnMeta meta = chunkTopMetadata[colLoc];
 346                 //Tooltip first
 347                 tableWriter.AddAttribute(HtmlTextWriterAttribute.Class, "tooltip");
 348                 tableWriter.RenderBeginTag(HtmlTextWriterTag.Div);
 349
 350                 tableWriter.AddAttribute(HtmlTextWriterAttribute.Src, $"{xAxis}_{yAxis}.png");
 351                 tableWriter.RenderBeginTag(HtmlTextWriterTag.Img);
 352                 tableWriter.RenderEndTag( );
 353                 // <span class="tooltiptext">Tooltip text
 354                 tableWriter.AddAttribute(HtmlTextWriterAttribute.Class, "tooltiptext");
 355                 tableWriter.RenderBeginTag(HtmlTextWriterTag.Span);
 356
 357                 StringBuilder tooltipText = new StringBuilder( );
 358                 tooltipText.Append($"{meta.Location.PrettyCoords(ClientAPI)} ");
 359                 tooltipText.Append($" Max-Height: {meta.YMax}, Temp: {meta.Temperature.ToString("F1")} " );
 360                 tooltipText.Append($" Rainfall: {meta.Rainfall.ToString("F1")}, ");
 361                 tooltipText.Append($" Shrubs: {meta.ShrubDensity.ToString("F1")}, ");
 362                 tooltipText.Append($" Forest: {meta.ForestDensity.ToString("F1")}, ");
 363                 tooltipText.Append($" Fertility: {meta.Fertility.ToString("F1")}, ");
 364
 365                 if (meta.RockRatio != null) {
 366                 foreach (KeyValuePair<int, uint> blockID in meta.RockRatio) {
 367                 var block = ClientAPI.World.GetBlock(blockID.Key);
 368                 tooltipText.AppendFormat(" {0} × {1},\t", block.Code.GetName( ), meta.RockRatio[blockID.Key]);
 369                 }
 370                 }
 371
 372                 tableWriter.WriteEncodedText(tooltipText.ToString() );
 373
 374                 tableWriter.RenderEndTag( );//</span>
 375
 376
 377                 tableWriter.RenderEndTag( );//</div> --tooltip enclosure
 378                 }
 379                 else {
 380                 tableWriter.Write("?");
 381                 }
 382
 383                 tableWriter.RenderEndTag( );
 384                 }//############ </td> ###########
 385
 386                 tableWriter.RenderBeginTag(HtmlTextWriterTag.Td);
 387                 tableWriter.Write(yAxis);//legend: Y-axis
 388                 tableWriter.RenderEndTag( );
 389
 390                 tableWriter.RenderEndTag( );
 391
 392                 }
 393                 tableWriter.RenderEndTag( );
 394
 395                 //################ X-Axis <tfoot> #######################
 396                 tableWriter.RenderBeginTag(HtmlTextWriterTag.Tfoot);
 397                 tableWriter.RenderBeginTag(HtmlTextWriterTag.Tr);
 398
 399                 tableWriter.RenderBeginTag(HtmlTextWriterTag.Td);
 400                 tableWriter.Write("S, W");
 401                 tableWriter.RenderEndTag( );
 402
 403                 for (int xAxisB = TopWest; xAxisB <= TopEast; xAxisB++) {
 404                 tableWriter.RenderBeginTag(HtmlTextWriterTag.Td);
 405                 tableWriter.Write(xAxisB);
 406                 tableWriter.RenderEndTag( );
 407                 }
 408
 409                 tableWriter.RenderBeginTag(HtmlTextWriterTag.Td);
 410                 tableWriter.Write("S, E");
 411                 tableWriter.RenderEndTag( );
 412
 413                 tableWriter.RenderEndTag( );
 414                 tableWriter.RenderEndTag( );
 415                 //###### </tfoot> ################################
 416
 417
 418                 tableWriter.RenderEndTag( );//</table>
 419
 420                 //############## POI list #####################
 421                 tableWriter.RenderBeginTag(HtmlTextWriterTag.P);
 422                 tableWriter.WriteLine("Points of Interest");
 423                 tableWriter.RenderEndTag( );
 424                 tableWriter.RenderBeginTag(HtmlTextWriterTag.Ul);
 425                 foreach (var poi in this.POIs) {
 426                 tableWriter.RenderBeginTag(HtmlTextWriterTag.Li);
 427                 tableWriter.WriteEncodedText(poi.Location.PrettyCoords(this.ClientAPI)+"\t");
 428                 tableWriter.WriteEncodedText(poi.Notes+ "\t");
 429                 tableWriter.WriteEncodedText(poi.Timestamp.ToString("u"));
 430                 tableWriter.RenderEndTag( );
 431                 }
 432
 433                 foreach (var eoi in this.EOIs.PointsList) {
 434                 tableWriter.RenderBeginTag(HtmlTextWriterTag.Li);
 435                 tableWriter.WriteEncodedText(eoi.Location.PrettyCoords(this.ClientAPI)+ "\t");
 436                 tableWriter.WriteEncodedText(eoi.Notes+ "\t");
 437                 tableWriter.WriteEncodedText(eoi.Timestamp.ToString("u") );
 438                 tableWriter.RenderEndTag( );
 439                 }
 440
 441                 tableWriter.RenderEndTag( );
 442
 443
 444
 445
 446                 tableWriter.RenderEndTag( );//### </BODY> ###
 447
 448                 tableWriter.EndRender( );
 449                 tableWriter.Flush( );
 450                 }
 451                 outputText.Flush( );
 452                 }
 453
 454                 Logger.VerboseDebug("Generated HTML map");
 455                 }
 456
 457
 458
 459                 private ColumnMeta CreateColumnMetadata(KeyValuePair<Vec2i, uint> mostActiveCol, IMapChunk mapChunk)
 460                 {
 461                 ColumnMeta data = new ColumnMeta(mostActiveCol.Key.Copy(), chunkSize);
 462                 BlockPos equivBP = new BlockPos(mostActiveCol.Key.X * chunkSize,
 463                                                                                 mapChunk.YMax,
 464                                                                                 mostActiveCol.Key.Y * chunkSize);
 465
 466                 var climate = ClientAPI.World.BlockAccessor.GetClimateAt(equivBP);
 467                 data.UpdateFieldsFrom(climate, mapChunk,TimeSpan.FromHours(ClientAPI.World.Calendar.TotalHours));
 468
 469                 return data;
 470                 }
 471
 472                 /// <summary>
 473                 /// Reload chunk bounds from chunk shards
 474                 /// </summary>
 475                 /// <returns>The metadata.</returns>
 476                 private void Reload_Metadata( )
 477                 {
 478                 var worldmapDir = new DirectoryInfo(path);
 479
 480                 if (worldmapDir.Exists) {
 481
 482                 var files = worldmapDir.GetFiles(chunkFile_filter);
 483
 484                 if (files.Length > 0) {
 485                 #if DEBUG
 486                 Logger.VerboseDebug("{0} Existing world chunk shards", files.Length);
 487                 #endif
 488
 489
 490
 491                 foreach (var shardFile in files) {
 492
 493                 if (shardFile.Length < 512) continue;
 494                 var result = chunkShardRegex.Match(shardFile.Name);
 495                 if (result.Success) {
 496                 int X_chunk_pos = int.Parse(result.Groups["X"].Value );
 497                 int Z_chunk_pos = int.Parse(result.Groups["Z"].Value );
 498
 499                 //Parse PNG chunks for METADATA in shard
 500                 using (var fileStream = shardFile.OpenRead( ))
 501                 {
 502                 PngReader pngRead = new PngReader(fileStream );
 503                 pngRead.ReadSkippingAllRows( );
 504                 pngRead.End( );
 505
 506                 PngMetadataChunk metadataFromPng = pngRead.GetChunksList( ).GetById1(PngMetadataChunk.ID) as PngMetadataChunk;
 507
 508                 chunkTopMetadata.Add(metadataFromPng.ChunkMetadata);
 509                 }
 510
 511                 }
 512                 }
 513
 514                 }
 515                 }
 516                 else {
 517                 #if DEBUG
 518                 Logger.VerboseDebug("Could not open world map directory");
 519                 #endif
 520                 }
 521
 522
 523
 524                 }
 525
 526                 private PngWriter SetupPngImage(Vec2i coord, ColumnMeta metadata)
 527                 {
 528                 ImageInfo imageInf = new ImageInfo(chunkSize, chunkSize, 8, false);
 529
 530                 string filename = $"{coord.X}_{coord.Y}.png";
 531                 filename = Path.Combine(path, filename);
 532
 533                 PngWriter pngWriter = FileHelper.CreatePngWriter(filename, imageInf, true);
 534                 PngMetadata meta = pngWriter.GetMetadata( );
 535                 meta.SetTimeNow( );
 536                 meta.SetText("Chunk_X", coord.X.ToString("D"));
 537                 meta.SetText("Chunk_Y", coord.Y.ToString("D"));
 538                 //Setup specialized meta-data PNG chunks here...
 539                 PngMetadataChunk pngChunkMeta = new PngMetadataChunk(pngWriter.ImgInfo);
 540                 pngChunkMeta.ChunkMetadata = metadata;
 541                 pngWriter.GetChunksList( ).Queue(pngChunkMeta);
 542
 543                 return pngWriter;
 544                 }
 545
 546                 /// <summary>
 547                 /// Does the heavy lifting of Scanning columns of chunks - creates Heightmap and Processes POIs, Entities, and stats...
 548                 /// </summary>
 549                 /// <param name="key">Chunk Coordinate</param>
 550                 /// <param name="mapChunk">Map chunk.</param>
 551                 /// <param name="chunkMeta">Chunk metadata</param>
 552                 private void ProcessChunkBlocks(Vec2i key, IMapChunk mapChunk, ColumnMeta chunkMeta)
 553                 {
 554
 555                 int targetChunkY = mapChunk.YMax / chunkSize;//Surface ...
 556                 for (; targetChunkY > 0; targetChunkY--) {
 557                 WorldChunk chunkData = ClientAPI.World.BlockAccessor.GetChunk(key.X, targetChunkY, key.Y) as WorldChunk;
 558
 559                 if (chunkData == null || chunkData.BlockEntities == null) {
 560                 #if DEBUG
 561                 Logger.VerboseDebug("Chunk null or empty X{0} Y{1} Z{2}", key.X,targetChunkY,key.Y);
 562                 #endif
 563                 continue;
 564                 }
 565
 566                 /*************** Chunk Entities Scanning *********************/
 567                 if (chunkData.BlockEntities != null && chunkData.BlockEntities.Length > 0) {
 568                 #if DEBUG
 569                 Logger.VerboseDebug("Surface@ {0} = BlockEntities: {1}", key, chunkData.BlockEntities.Length);
 570                 #endif
 571
 572                 foreach (var blockEnt in chunkData.BlockEntities) {
 573
 574                         if (blockEnt != null && blockEnt.Block != null && BlockID_Designators.ContainsKey(blockEnt.Block.BlockId))
 575                         {
 576                         var designator = BlockID_Designators[blockEnt.Block.BlockId];
 577                         designator.SpecialAction(ClientAPI, POIs, blockEnt.Pos.Copy( ), blockEnt.Block);
 578                         }
 579                 }
 580
 581                 }
 582                 /********************* Chunk/Column BLOCKs scanning ****************/
 583                 //Heightmap, Stats, block tally
 584                 chunkData.Unpack( );
 585
 586                 int X_index, Y_index, Z_index;
 587                 X_index = Y_index = Z_index = 0;
 588
 589                 do {
 590                 do {
 591                 do {
 592                 /* Encode packed indicie
 593                 (y * chunksize + z) * chunksize + x
 594                 */
 595                 var indicie = Helpers.ChunkBlockIndicie16(X_index, Y_index, Z_index);
 596                 int aBlockId = chunkData.Blocks[indicie];
 597
 598                 if (aBlockId == 0) {//Air
 599                 chunkMeta.AirBlocks++;
 600                 continue;
 601                 }
 602
 603                 if (RockIdCodes.ContainsKey(aBlockId)) {
 604                 if (chunkMeta.RockRatio.ContainsKey(aBlockId)) { chunkMeta.RockRatio[aBlockId]++; } else { chunkMeta.RockRatio.Add(aBlockId, 1); }
 605                 }
 606
 607                 chunkMeta.NonAirBlocks++;
 608
 609                 //Heightmap
 610                 if (chunkMeta.HeightMap[X_index, Z_index] == 0)
 611                 { chunkMeta.HeightMap[X_index, Z_index] = ( ushort )(Y_index + (targetChunkY * chunkSize)); }
 612
 613                 }
 614                 while (X_index++ < (chunkSize - 1));
 615                 X_index = 0;
 616                 }
 617                 while (Z_index++ < (chunkSize - 1));
 618                 Z_index = 0;
 619                 }
 620                 while (Y_index++ < (chunkSize - 1));
 621
 622                 }
 623                 }
 624
 625                 private void UpdateEntityMetadata( )
 626                 {
 627                 Logger.Debug("Presently {0} Entities", ClientAPI.World.LoadedEntities.Count);
 628                 //Mabey scan only for 'new' entities by tracking ID in set?
 629                 foreach (var loadedEntity in ClientAPI.World.LoadedEntities.ToList()) {
 630
 631                 #if DEBUG
 632                 //Logger.VerboseDebug($"ENTITY: ({loadedEntity.Value.Code}) = #{loadedEntity.Value.EntityId} {loadedEntity.Value.State} {loadedEntity.Value.LocalPos}    <<<<<<<<<<<<");
 633                 #endif
 634
 635                 var dMatch = Entity_Designators.SingleOrDefault(se => se.Key.Equals(loadedEntity.Value.Code));
 636                 if (dMatch.Value != null) {
 637                         dMatch.Value.SpecialAction(ClientAPI, this.EOIs, loadedEntity.Value.LocalPos.AsBlockPos.Copy( ), loadedEntity.Value);
 638                 }
 639
 640                 }
 641
 642
 643                 }
 644
 645
 646
 647
 648
 649                 #endregion
 650
 651
 652         }
 653
 654 }