A game about forced loneliness, made by TACStudios
tacstudios.tngl.sh
1using System.Collections.Generic;
2using System.Globalization;
3using UnityEditor.ShaderGraph.Drawing.Controls;
4using UnityEngine;
5using UnityEditor.Graphing;
6
7namespace UnityEditor.ShaderGraph
8{
9 enum ConstantType
10 {
11 PI,
12 TAU,
13 PHI,
14 E,
15 SQRT2
16 };
17
18 [Title("Input", "Basic", "Constant")]
19 class ConstantNode : AbstractMaterialNode, IGeneratesBodyCode
20 {
21 static Dictionary<ConstantType, float> m_constantList = new Dictionary<ConstantType, float>
22 {
23 {ConstantType.PI, 3.1415926f },
24 {ConstantType.TAU, 6.28318530f},
25 {ConstantType.PHI, 1.618034f},
26 {ConstantType.E, 2.718282f},
27 {ConstantType.SQRT2, 1.414214f},
28 };
29
30 [SerializeField]
31 private ConstantType m_constant = ConstantType.PI;
32
33 private const int kOutputSlotId = 0;
34 private const string kOutputSlotName = "Out";
35
36 [EnumControl("")]
37 public ConstantType constant
38 {
39 get { return m_constant; }
40 set
41 {
42 if (m_constant == value)
43 return;
44
45 m_constant = value;
46 Dirty(ModificationScope.Graph);
47 }
48 }
49
50 public ConstantNode()
51 {
52 name = "Constant";
53 synonyms = new string[] { "pi", "tau", "phi" };
54 UpdateNodeAfterDeserialization();
55 }
56
57 public sealed override void UpdateNodeAfterDeserialization()
58 {
59 AddSlot(new Vector1MaterialSlot(kOutputSlotId, kOutputSlotName, kOutputSlotName, SlotType.Output, 0));
60 RemoveSlotsNameNotMatching(new[] { kOutputSlotId });
61 }
62
63 public void GenerateNodeCode(ShaderStringBuilder sb, GenerationMode generationMode)
64 {
65 sb.AppendLine(string.Format("$precision {0} = {1};"
66 , GetVariableNameForNode()
67 , m_constantList[constant].ToString(CultureInfo.InvariantCulture)));
68 }
69
70 public override string GetVariableNameForSlot(int slotId)
71 {
72 return GetVariableNameForNode();
73 }
74 }
75}