WorldGenerator.cs

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using System.Collections.Generic;
using System.Diagnostics;
using Terraria.Utilities;
 
namespace Terraria.WorldBuilding;
 
public class WorldGenerator
{
    private readonly List<GenPass> _passes = new List<GenPass>();
 
    private double _totalLoadWeight;
 
    private readonly int _seed;
 
    private readonly WorldGenConfiguration _configuration;
 
    public static GenerationProgress CurrentGenerationProgress;
 
    public WorldGenerator(int seed, WorldGenConfiguration configuration)
    {
        _seed = seed;
        _configuration = configuration;
    }
 
    public void Append(GenPass pass)
    {
        _passes.Add(pass);
        _totalLoadWeight += pass.Weight;
    }
 
    public void GenerateWorld(GenerationProgress progress = null)
    {
        Stopwatch stopwatch = new Stopwatch();
        double num = 0.0;
        foreach (GenPass pass in _passes)
        {
            num += pass.Weight;
        }
        if (progress == null)
        {
            progress = new GenerationProgress();
        }
        CurrentGenerationProgress = progress;
        progress.TotalWeight = num;
        foreach (GenPass pass2 in _passes)
        {
            WorldGen._genRand = new UnifiedRandom(_seed);
            Main.rand = new UnifiedRandom(_seed);
            stopwatch.Start();
            progress.Start(pass2.Weight);
            pass2.Apply(progress, _configuration.GetPassConfiguration(pass2.Name));
            progress.End();
            stopwatch.Reset();
        }
        CurrentGenerationProgress = null;
    }
}