private static Dictionary <string, ColorDefinition> ParseColors(string text)
{
Dictionary <string, ColorDefinition> colors = new Dictionary <string, ColorDefinition>();
// Parse each line
StringReader strReader = new StringReader(text);
while (true)
{
string line = strReader.ReadLine();
// EOF
if (line == null)
{
break;
}
// Skip comment lines
if (line.StartsWith('#'))
{
continue;
}
// Skip empty lines
else if (string.IsNullOrWhiteSpace(line))
{
continue;
}
// Parse space delimited values
else
{
// Split
var values = line.Split(' ');
// Skip ill-formatted lines
if (values.Length != 4 && values.Length != 5)
{
Console.WriteLine($"Color definition line \"{line}\" is ill-formatted (`NodeName R G B (A)`); Skip.");
continue;
}
// Extract
string name = values[0];
int r = int.Parse(values[1]);
int g = int.Parse(values[2]);
int b = int.Parse(values[3]);
int a = values.Length == 5 ? int.Parse(values[4]) : byte.MaxValue;
// Save
colors[values[0]] = new ColorDefinition(name, r, g, b, a);
}
}
return(colors);
}
static int Main(string[] args)
{
// Exception handling
if (args.Length == 0)
{
Console.WriteLine("Not enough arguments.");
return(-1);
}
// Extract parameters
string sourcePath = args[0];
string targetPath = args[1];
Console.WriteLine($"Processing files: \n Input - {sourcePath} \n Output - {targetPath}");
// Start extraction
Console.WriteLine("Reading source region...");
Region region = ParseRegion(File.ReadAllLines(sourcePath));
Console.WriteLine($"{region.Nodes.Length} nodes loaded.");
// Read colors
Console.WriteLine("Read color definitions...");
string workingDirectory = Directory.GetCurrentDirectory();
string colorsFilePath = Path.Combine(workingDirectory, "Colors.txt");
Dictionary <string, ColorDefinition> presetColors;
if (File.Exists(colorsFilePath))
{
Console.WriteLine($"Custom color configuration file found ({colorsFilePath}), use custom colors.");
presetColors = ParseColors(File.ReadAllText(colorsFilePath));
}
else
{
Console.WriteLine($"No custom color configuration file is found in current working directory ({workingDirectory}), use internal colors.");
presetColors = ParseColors(ReadResource("Data.Colors.txt"));
}
// Colors preprocessing
Console.WriteLine("Preprocessing referenced colors...");
HashSet <string> uniqueNodes = region.Nodes.Select(n => n.Name).Distinct().ToHashSet();
var referencedColors = presetColors.Where(c => uniqueNodes.Contains(c.Key)).ToDictionary(p => p.Key, p => p.Value);
List <ColorDefinition> colorIndices = referencedColors.Values.ToList();
Dictionary <string, int> colorIndexDict = colorIndices.Select((c, i) => new KeyValuePair <string, int>(c.Name, i))
.ToDictionary(p => p.Key, p => p.Value);
// Exception handling
if (referencedColors.Count() > 255)
{
Console.WriteLine("[Error] More than 255 colors are used.");
return(-2);
}
// Missing color handling
var missingColors = uniqueNodes.Where(n => !presetColors.ContainsKey(n)).ToList();
if (referencedColors.Count == 0)
{
Console.WriteLine("[Warning] None of the node types are recognized in color file, please fix the following:");
foreach (string item in uniqueNodes)
{
if (item != "air" && item != "ignore")
{
Console.WriteLine($"\t{item}");
}
}
}
else if (missingColors.Count != 0)
{
Console.WriteLine($"[Warning] {missingColors.Count} colors are not fonud in color presets, please fix the following:");
foreach (var name in missingColors)
{
if (name == "air")
{
Console.WriteLine($" Node type \"{name}\" is not defined in color file - but it's also not needed; Will treat as empty (color index 0).");
}
else if (name == "ignore")
{
Console.WriteLine(" Exported region contains node type \"ignore\"; Will treat as empty (color index 0).");
}
else if (colorIndices.Count > 1)
{
Console.WriteLine($" Node type \"{name}\" is not defined in color file; Will use `{colorIndices[1].Name}` instead (color index 1).");
}
else
{
Console.WriteLine($" Node type \"{name}\" is not defined in color file; Will use color index value 1 instead.");
}
}
}
// Insert an empty color index
if (!colorIndexDict.ContainsKey("air"))
{
colorIndices.Add(new ColorDefinition("air", 0, 0, 0, 0));
colorIndexDict["air"] = colorIndices.Count - 1;
}
// Switch color index 0 with empty
int replaceLoc = colorIndexDict["air"];
ColorDefinition emptyColor = colorIndices[replaceLoc];
ColorDefinition replaceColor = colorIndices[0];
// Switch dict
colorIndexDict["air"] = 0;
colorIndexDict[replaceColor.Name] = replaceLoc;
// Switch color
colorIndices[0] = emptyColor;
colorIndices[replaceLoc] = replaceColor;
// Perform conversion
Console.WriteLine("Convert source to XRAW format...");
using (BinaryWriter writer = new BinaryWriter(File.Open(targetPath, FileMode.Create)))
{
// Header
// Magic Number
writer.Write(Encoding.ASCII.GetBytes("XRAW"));
// Color Meta: unsigned RGBA 8-bit 256-color palette
writer.Write((byte)0);
writer.Write((byte)4);
writer.Write((byte)8);
writer.Write((byte)8);
// Size: 2x2x1 - 256 Colors
writer.Write((int)region.SizeX);
writer.Write((int)region.SizeY);
writer.Write((int)region.SizeZ);
writer.Write((int)256);
// Voxel Buffer
Random random = new Random();
foreach (Node node in region.Nodes)
{
// Special handle air
if (node.Name == "air")
{
writer.Write((byte)0);
}
else if (colorIndexDict.ContainsKey(node.Name))
{
writer.Write((byte)colorIndexDict[node.Name]);
}
else
{
writer.Write((byte)1); // Use index 1 for absent node types
}
}
// Color Palette Buffer
for (int i = 0; i < 256; i++)
{
// Real colors
if (i < colorIndices.Count)
{
writer.Write((byte)colorIndices[i].R); // R
writer.Write((byte)colorIndices[i].G); // G
writer.Write((byte)colorIndices[i].B); // B
writer.Write((byte)colorIndices[i].A); // A
}
// Padding
else
{
writer.Write((byte)i); // R
writer.Write((byte)i); // G
writer.Write((byte)i); // B
writer.Write((byte)255); // A
}
}
// Dispose
writer.Flush();
writer.Close();
}
Console.WriteLine("Conversion finished.");
// Return success
return(0);
}