319 lines
No EOL
12 KiB
C#
319 lines
No EOL
12 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Runtime.Remoting.Messaging;
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using MIConvexHull;
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using UniRx;
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using UnityEngine;
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using UnityEditor;
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[CustomEditor(typeof(Galaxy))]
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public class GalaxyEditor : Editor
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{
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private int _width = 0;
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private bool _showResourceMaps;
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private GalaxyMapLayerData _currentLayer;
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private string _currentLayerName = "Star Density";
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private bool _showStarEditor;
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private int _hilbertOrder = 6;
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private ulong _hilbertIndex;
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private int _starCount = 1;
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private float _maxLinkLength = .1f;
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private float _linkFilter = .5f;
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private IEnumerable<Vector2> _stars = new Vector2[0];
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private bool _drawStars;
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private bool _drawResource;
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private bool _drawLinks;
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private VoronoiMesh< Vertex2, Cell2, VoronoiEdge<Vertex2, Cell2>> _voronoiMesh;
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private List<VoronoiLink> _starLinks = new List<VoronoiLink>();
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private Texture2D _white;
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private Texture2D _starTex;
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private Texture2D _linkTex;
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private Material _galaxyMat;
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private Material _transparent;
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private void OnEnable()
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{
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_white = Color.white.ToTexture();
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_galaxyMat = new Material(Shader.Find("Unlit/GalaxyMap"));
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_transparent = new Material(Shader.Find("Unlit/Transparent"));
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_width = Screen.width;
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_starTex = new Texture2D(_width,_width, TextureFormat.ARGB32, false);
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_linkTex = new Texture2D(_width,_width, TextureFormat.ARGB32, false);
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}
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public override void OnInspectorGUI()
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{
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var galaxy = target as Galaxy;
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if (_currentLayer == null)
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_currentLayer = galaxy.MapData.StarDensity;
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if (Screen.width != _width)
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{
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_width = Screen.width;
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_starTex = new Texture2D(_width,_width, TextureFormat.ARGB32, false);
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_linkTex = new Texture2D(_width,_width, TextureFormat.ARGB32, false);
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RenderStars();
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RenderLinks();
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}
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GUILayout.Label("Preview", EditorStyles.boldLabel);
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_galaxyMat.SetFloat("Arms", galaxy.MapData.Arms);
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_galaxyMat.SetFloat("Twist", galaxy.MapData.Twist);
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_galaxyMat.SetFloat("TwistPower", galaxy.MapData.TwistPower);
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_galaxyMat.SetFloat("Arms", galaxy.MapData.Arms);
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_galaxyMat.SetFloat("SpokeOffset", _currentLayer.SpokeOffset);
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_galaxyMat.SetFloat("SpokeScale", _currentLayer.SpokeScale);
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_galaxyMat.SetFloat("CoreBoost", _currentLayer.CoreBoost);
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_galaxyMat.SetFloat("CoreBoostOffset", _currentLayer.CoreBoostOffset);
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_galaxyMat.SetFloat("CoreBoostPower", _currentLayer.CoreBoostPower);
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_galaxyMat.SetFloat("EdgeReduction", _currentLayer.EdgeReduction);
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_galaxyMat.SetFloat("NoisePosition", _currentLayer.NoisePosition);
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_galaxyMat.SetFloat("NoiseAmplitude", _currentLayer.NoiseAmplitude);
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_galaxyMat.SetFloat("NoiseOffset", _currentLayer.NoiseOffset);
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_galaxyMat.SetFloat("NoiseGain", _currentLayer.NoiseGain);
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_galaxyMat.SetFloat("NoiseLacunarity", _currentLayer.NoiseLacunarity);
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_galaxyMat.SetFloat("NoiseFrequency", _currentLayer.NoiseFrequency);
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var rect = EditorGUILayout.GetControlRect(false, _width);
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EditorGUI.DrawPreviewTexture(rect, _white, _galaxyMat);
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if(_drawLinks)
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EditorGUI.DrawPreviewTexture(rect, _linkTex, _transparent);
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if(_drawStars)
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EditorGUI.DrawPreviewTexture(rect, _starTex, _transparent);
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_drawStars = EditorGUILayout.ToggleLeft($"Display {_stars.Count()} Stars", _drawStars);
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_drawResource = EditorGUILayout.ToggleLeft("Display Resources", _drawResource);
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_drawLinks = EditorGUILayout.ToggleLeft($"Display {_starLinks.Count} Links", _drawLinks);
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GUILayout.Space(10);
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// Show default inspector property editor
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DrawDefaultInspector ();
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EditorGUILayout.BeginVertical("Box");
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EditorGUI.indentLevel++;
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GUILayout.Label(_currentLayerName);
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Inspect(_currentLayer);
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EditorGUI.indentLevel--;
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EditorGUILayout.EndVertical();
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EditorGUILayout.BeginVertical("Box");
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EditorGUI.indentLevel++;
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_showResourceMaps = EditorGUILayout.Foldout(_showResourceMaps, "Resource Density Maps");
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if (_showResourceMaps)
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{
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EditorGUI.indentLevel++;
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foreach (var resourceDensity in galaxy.MapData.ResourceDensities.ToArray())
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{
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EditorGUILayout.BeginHorizontal();
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var newName = EditorGUILayout.DelayedTextField(resourceDensity.Key);
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if (newName != resourceDensity.Key)
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{
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galaxy.MapData.ResourceDensities.Remove(resourceDensity.Key);
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galaxy.MapData.ResourceDensities[newName] = resourceDensity.Value;
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}
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if (GUILayout.Button("Inspect"))
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{
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_currentLayerName = resourceDensity.Key;
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_currentLayer = resourceDensity.Value;
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}
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EditorGUILayout.EndHorizontal();
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}
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EditorGUI.indentLevel--;
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if (GUILayout.Button("Add New Resource"))
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{
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galaxy.MapData.ResourceDensities["New Resource"] = new GalaxyMapLayerData();
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}
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}
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else if(_currentLayer != galaxy.MapData.StarDensity)
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{
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_currentLayerName = "Star Density";
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_currentLayer = galaxy.MapData.StarDensity;
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}
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EditorGUI.indentLevel--;
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EditorGUILayout.EndVertical();
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EditorGUILayout.BeginVertical("Box");
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EditorGUI.indentLevel++;
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_showStarEditor = EditorGUILayout.Foldout(_showStarEditor, "Star Tools");
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if (_showStarEditor)
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{
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_hilbertOrder = EditorGUILayout.IntField("Hilbert Order", _hilbertOrder);
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_starCount = EditorGUILayout.IntField("Star Count", _starCount);
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//_hilbertIndex = (ulong) EditorGUILayout.IntField("Hilbert Index", (int) _hilbertIndex);
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if (GUILayout.Button("Evaluate Hilbert Curve"))
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{
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var points = EvaluateHilbert(_hilbertOrder,false);
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Debug.Log($"Hilbert curve has {points.Count()} points, resolution {Mathf.RoundToInt(points.Max(p=>p.x))+1}");
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}
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if (GUILayout.Button("Generate Stars"))
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{
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var points = EvaluateHilbert(_hilbertOrder).ToArray();
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var stars = new List<Vector2>();
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int bail = 0;
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while (stars.Count < _starCount && bail < 10)
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{
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var accum = 0f;
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foreach (var hp in points.Select(p=>p+UnityEngine.Random.insideUnitCircle * ((points[0]-points[1]).magnitude/2)))
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{
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var den = galaxy.MapData.StarDensity.Evaluate(hp, galaxy.MapData);
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if(!float.IsNaN(den))
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accum += den * UnityEngine.Random.value;
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// else
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// Debug.Log($"Density at ({hp.x},{hp.y}) is NaN");
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if (accum > 1)
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{
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stars.Add(hp);
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accum = 0;
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}
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//Debug.Log($"Accumulator: {accum}");
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}
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bail++;
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}
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Debug.Log($"Generated {stars.Count} stars.");
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_stars = stars;
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RenderStars();
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}
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if (_stars.Any())
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{
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_maxLinkLength = EditorGUILayout.FloatField("Max Link Length", _maxLinkLength);
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if (GUILayout.Button("Generate Star Links"))
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{
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_voronoiMesh = VoronoiMesh<Vertex2, Cell2, VoronoiEdge<Vertex2, Cell2>>.Create(_stars.Select(s=>new Vertex2(s.x,s.y)).ToList());
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_starLinks.Clear();
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// Each cell in this collection represents one of the triangle faces of the Delaunay Triangulation
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foreach (var cell in _voronoiMesh.Vertices)
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{
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var links = new[] {new VoronoiLink(cell.Vertices[0], cell.Vertices[1]),
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new VoronoiLink(cell.Vertices[0], cell.Vertices[2]),
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new VoronoiLink(cell.Vertices[2], cell.Vertices[1])};
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_starLinks.AddRange(links.Where(l=>!_starLinks.ContainsLine(l) && l.Length < _maxLinkLength));
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RenderLinks();
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}
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}
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if (_starLinks.Any())
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{
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_linkFilter = EditorGUILayout.FloatField("Link Filter Percentage", _linkFilter);
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if (GUILayout.Button("Filter Star Links"))
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{
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var bail = 0;
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var count = _starLinks.Count * Mathf.Clamp01(_linkFilter);
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var deadLinks = new List<VoronoiLink>();
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for (int i = 0; i < count && bail < count*10; bail++)
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{
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var link = _starLinks.ElementAt(UnityEngine.Random.Range(0, _starLinks.Count));
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if (deadLinks.Contains(link)) continue;
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var mapMinusLink = _starLinks.Where(l => !l.Equals(link)).ToArray();
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if (!mapMinusLink.ConnectedRegion(link.point1).Contains(link.point2))
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deadLinks.Add(link);
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else
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{
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_starLinks.Remove(link);
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i++;
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}
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//if (_starLinks.Count(sl => sl.ContainsPoint(link.point1)) > 1 && _starLinks.Count(sl => sl.ContainsPoint(link.point2)) > 1)
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}
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RenderLinks();
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}
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if (GUILayout.Button("Save Star Data"))
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{
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galaxy.MapData.Stars = _stars.Select(s => new StarData {Position = s}).ToList();
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foreach (var star in galaxy.MapData.Stars)
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{
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star.Links.Clear();
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star.Links.AddRange(_starLinks.Where(sl => (sl.point1.ToVector2() - star.Position).sqrMagnitude < float.Epsilon)
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.Select(sl => galaxy.MapData.Stars.IndexOf(galaxy.MapData.Stars.First(s => (sl.point2.ToVector2() - s.Position).sqrMagnitude < float.Epsilon))));
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star.Links.AddRange(_starLinks.Where(sl => (sl.point2.ToVector2() - star.Position).sqrMagnitude < float.Epsilon)
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.Select(sl => galaxy.MapData.Stars.IndexOf(galaxy.MapData.Stars.First(s => (sl.point1.ToVector2() - s.Position).sqrMagnitude < float.Epsilon))));
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}
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}
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}
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}
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}
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EditorGUI.indentLevel--;
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EditorGUILayout.EndVertical();
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EditorUtility.SetDirty(target);
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}
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private IEnumerable<Vector2> EvaluateHilbert(int order, bool normalized = true)
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{
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var points = new List<Vector2>();
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uint x = 0, y = 1;
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ulong i = 1;
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uint max = 0;
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while (x != 0 || y != 0)
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{
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Microsoft.SqlServer.Types.SpaceFillingCurve.ReverseHilbert(order, i, out x, out y);
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points.Add(new Vector2(x, y));
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if (x > max)
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max = x;
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i++;
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}
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return normalized ? points.Select(p => p / (max + 1)) : points;
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}
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void Inspect(GalaxyMapLayerData layer)
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{
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layer.EdgeReduction = EditorGUILayout.FloatField("Edge Reduction", layer.EdgeReduction);
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layer.CoreBoost = EditorGUILayout.FloatField("Core Boost", layer.CoreBoost);
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layer.CoreBoostOffset = EditorGUILayout.FloatField("Core Boost Offset", layer.CoreBoostOffset);
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layer.CoreBoostPower = EditorGUILayout.FloatField("Core Boost Power", layer.CoreBoostPower);
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layer.NoiseOffset = EditorGUILayout.FloatField("Noise Offset", layer.NoiseOffset);
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layer.NoiseAmplitude = EditorGUILayout.FloatField("Noise Amplitude", layer.NoiseAmplitude);
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layer.NoiseGain = EditorGUILayout.FloatField("Noise Gain", layer.NoiseGain);
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layer.NoiseLacunarity = EditorGUILayout.FloatField("Noise Lacunarity", layer.NoiseLacunarity);
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layer.NoiseOctaves = EditorGUILayout.IntField("Noise Octaves", layer.NoiseOctaves);
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layer.NoiseFrequency = EditorGUILayout.FloatField("Noise Frequency", layer.NoiseFrequency);
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layer.SpokeOffset = EditorGUILayout.FloatField("Spoke Offset", layer.SpokeOffset);
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layer.SpokeScale = EditorGUILayout.FloatField("Spoke Scale", layer.SpokeScale);
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}
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int UvToIndex(Vector2 v) => (int) (v.y * _width) * _width + (int) (v.x * _width);
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void RenderLinks()
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{
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Color[] pixels = new Color[_width*_width];
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for (var i = 0; i < pixels.Length; i++)
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{
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pixels[i] = Color.clear;
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}
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foreach (var l in _starLinks)
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{
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var pixelCount = Mathf.Max((int) (Mathf.Abs((float) (l.point1.x - l.point2.x)) * _width), (int) (Mathf.Abs((float) (l.point1.y - l.point2.y)) * _width));
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//Debug.Log($"Marching across {pixelCount} pixels!");
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for(int i=0;i<pixelCount;i++)
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pixels[UvToIndex(Vector2.Lerp(l.point1.ToVector2(),l.point2.ToVector2(),(float)i/pixelCount))] = XKCDColors.OrangeRed;
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}
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_linkTex.SetPixels(pixels);
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_linkTex.Apply();
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}
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void RenderStars()
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{
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Color[] pixels = new Color[_width*_width];
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for (var i = 0; i < pixels.Length; i++)
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{
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pixels[i] = Color.clear;
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}
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foreach (var s in _stars)
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{
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pixels[UvToIndex(s)] = Color.white;
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pixels[UvToIndex(s + Vector2.up / _width)] = new Color(.5f, .5f, .5f, 1);
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pixels[UvToIndex(s - Vector2.up / _width)] = new Color(.5f, .5f, .5f, 1);
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pixels[UvToIndex(s + Vector2.right / _width)] = new Color(.5f, .5f, .5f, 1);
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pixels[UvToIndex(s - Vector2.right / _width)] = new Color(.5f, .5f, .5f, 1);
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pixels[UvToIndex(s + Vector2.up / _width + Vector2.right / _width)] = new Color(0, 0, 0, 1);
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pixels[UvToIndex(s + Vector2.up / _width - Vector2.right / _width)] = new Color(0, 0, 0, 1);
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pixels[UvToIndex(s - Vector2.up / _width - Vector2.right / _width)] = new Color(0, 0, 0, 1);
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pixels[UvToIndex(s - Vector2.up / _width + Vector2.right / _width)] = new Color(0, 0, 0, 1);
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}
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_starTex.SetPixels(pixels);
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_starTex.Apply();
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}
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} |