A game about forced loneliness, made by TACStudios
tacstudios.tngl.sh
1using System.IO;
2using UnityEditor;
3using UnityEngine;
4
5namespace UnityEditor.Rendering
6{
7 /// <summary>
8 /// Various possible type for IES, in HDRP for Rectangular light we use spot version
9 /// </summary>
10 public enum IESLightType
11 {
12 /// <summary>
13 /// Point for the IES
14 /// </summary>
15 Point,
16 /// <summary>
17 /// Spot for IES (compatible with Area Light)
18 /// </summary>
19 Spot,
20 }
21
22 /// <summary>
23 /// Possible values for the IES Size.
24 /// </summary>
25 public enum IESResolution
26 {
27 /// <summary>Size 16</summary>
28 IESResolution16 = 16,
29 /// <summary>Size 32</summary>
30 IESResolution32 = 32,
31 /// <summary>Size 64</summary>
32 IESResolution64 = 64,
33 /// <summary>Size 128</summary>
34 IESResolution128 = 128,
35 /// <summary>Size 256</summary>
36 IESResolution256 = 256,
37 /// <summary>Size 512</summary>
38 IESResolution512 = 512,
39 /// <summary>Size 1024</summary>
40 IESResolution1024 = 1024,
41 /// <summary>Size 2048</summary>
42 IESResolution2048 = 2048,
43 /// <summary>Size 4096</summary>
44 IESResolution4096 = 4096
45 }
46
47 /// <summary>
48 /// Common class to store metadata of an IES file
49 /// </summary>
50 [System.Serializable]
51 public class IESMetaData
52 {
53 /// <summary>
54 /// Version of the IES File
55 /// </summary>
56 public string FileFormatVersion;
57 /// <summary>
58 /// Total light intensity (in Lumens) stored on the file, usage of it is optional (through the prefab subasset inside the IESObject)
59 /// </summary>
60 public string IESPhotometricType;
61 /// <summary>
62 /// IES Max Intensity depends on the various information stored on the IES file
63 /// </summary>
64 public float IESMaximumIntensity;
65 /// <summary>
66 /// Unit used to measure the IESMaximumIntensity
67 /// </summary>
68 public string IESMaximumIntensityUnit;
69
70 // IES luminaire product information.
71 /// <summary>
72 /// Manufacturer of the current IES file
73 /// </summary>
74 public string Manufacturer; // IES keyword MANUFAC
75 /// <summary>
76 /// Luninaire Catalog Number
77 /// </summary>
78 public string LuminaireCatalogNumber; // IES keyword LUMCAT
79 /// <summary>
80 /// Luminaire Description
81 /// </summary>
82 public string LuminaireDescription; // IES keyword LUMINAIRE
83 /// <summary>
84 /// Lamp Catalog Number
85 /// </summary>
86 public string LampCatalogNumber; // IES keyword LAMPCAT
87 /// <summary>
88 /// Lamp Description
89 /// </summary>
90 public string LampDescription; // IES keyword LAMP
91
92 /// <summary>
93 /// Prefab Light Type (optional to generate the texture used by the renderer)
94 /// </summary>
95 public IESLightType PrefabLightType = IESLightType.Point;
96
97 /// <summary>
98 /// Spot angle used for the Gnomonic projection of the IES. This parameter will be responsible of the pixel footprint in the 2D Texture
99 /// https://en.wikipedia.org/wiki/Gnomonic_projection
100 /// </summary>
101 [Range(1f, 179f)]
102 public float SpotAngle = 120f;
103
104 /// <summary>
105 /// IES Size of the texture used (same parameter for Point and Spot)
106 /// </summary>
107 public IESResolution iesSize = IESResolution.IESResolution128;
108
109 /// <summary>
110 /// Enable attenuation used for Spot recommanded to be true, particulary with large angle of "SpotAngle" (cf. Gnomonic Projection)
111 /// </summary>
112 public bool ApplyLightAttenuation = true;
113 /// <summary>
114 /// Enable max intensity for the texture generation
115 /// </summary>
116 public bool UseIESMaximumIntensity = true;
117
118 /// <summary>
119 /// Compression used to generate the texture (CompressedHQ by default (BC7))
120 /// </summary>
121 public TextureImporterCompression CookieCompression = TextureImporterCompression.CompressedHQ;
122
123 /// <summary>
124 /// Internally we use 2D projection, we have to choose one axis to project the IES propertly
125 /// </summary>
126 [Range(-180f, 180f)]
127 public float LightAimAxisRotation = -90f;
128
129 /// <summary>
130 /// Get Hash describing an unique IES
131 /// </summary>
132 /// <returns>The Hash of the IES Object</returns>
133 public override int GetHashCode()
134 {
135 int hash = base.GetHashCode();
136
137 hash = hash * 23 + FileFormatVersion.GetHashCode();
138 hash = hash * 23 + IESPhotometricType.GetHashCode();
139 hash = hash * 23 + IESMaximumIntensity.GetHashCode();
140 hash = hash * 23 + IESMaximumIntensityUnit.GetHashCode();
141
142 hash = hash * 23 + Manufacturer.GetHashCode();
143 hash = hash * 23 + LuminaireCatalogNumber.GetHashCode();
144 hash = hash * 23 + LuminaireDescription.GetHashCode();
145 hash = hash * 23 + LampCatalogNumber.GetHashCode();
146 hash = hash * 23 + LampDescription.GetHashCode();
147
148 hash = hash * 23 + PrefabLightType.GetHashCode();
149
150 hash = hash * 23 + SpotAngle.GetHashCode();
151
152 hash = hash * 23 + iesSize.GetHashCode();
153 hash = hash * 23 + ApplyLightAttenuation.GetHashCode();
154 hash = hash * 23 + UseIESMaximumIntensity.GetHashCode();
155
156 return hash;
157 }
158 }
159
160 /// <summary>
161 /// IESObject manipulated internally (in the UI)
162 /// </summary>
163 [System.Serializable]
164 public class IESObject : ScriptableObject
165 {
166 /// <summary>
167 /// Metadata of the IES file
168 /// </summary>
169 public IESMetaData iesMetaData = new IESMetaData();
170 }
171}