wehub-resource-sync
77 lines
2.2 KiB
C#
77 lines
2.2 KiB
C#
#nullable enable
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using T3.Core.DataTypes.ShaderGraph;
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namespace Lib.field.adjust;
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[Guid("0ff18a32-c1e9-406d-b3e3-23700e2453a0")]
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internal sealed class PushPullSDF : Instance<PushPullSDF>
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,IGraphNodeOp
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{
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[Output(Guid = "ffbb6690-d57e-4dea-8aa7-fbf0101b9c96")]
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public readonly Slot<ShaderGraphNode> Result = new();
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public PushPullSDF()
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{
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ShaderNode = new ShaderGraphNode(this, null, SdfField, AmountField);
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Result.Value = ShaderNode;
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Result.UpdateAction += Update;
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}
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private void Update(EvaluationContext context)
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{
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ShaderNode.Update(context);
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}
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public ShaderGraphNode ShaderNode { get; }
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bool IGraphNodeOp.TryBuildCustomCode(CodeAssembleContext c)
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{
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var fields = ShaderNode?.InputNodes;
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if (fields == null || fields.Count == 0)
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return true;
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var inputField = fields.Count > 0 ? fields[0] : null;
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var amountField = fields.Count > 1 ? fields[1] : null;
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inputField?.CollectEmbeddedShaderCode(c);
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c.AppendCall("{");
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c.Indent();
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if (amountField !=null)
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{
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c.PushContext(c.ContextIdStack.Count, "amount");
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var subContextId = c.ToString();
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amountField.CollectEmbeddedShaderCode(c);
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c.PopContext();
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c.AppendCall($"f{c}.w += f{subContextId}.r *{ShaderNode}Amount;");
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c.AppendCall($"f{c}.w /= 1 + {ShaderNode}StepScale;");
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}
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else
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{
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c.AppendCall($"f{c}.w += {ShaderNode}Amount;");
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}
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c.Unindent();
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c.AppendCall("}");
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return true;
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}
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[Input(Guid = "c57d91b6-a26a-4e69-be1f-dc04f86594b6")]
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public readonly InputSlot<ShaderGraphNode> SdfField = new();
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[Input(Guid = "91C09FAC-0B50-4F62-97CA-18461801B442")]
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public readonly InputSlot<ShaderGraphNode> AmountField = new();
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[GraphParam]
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[Input(Guid = "9cd1120d-81fa-43ab-b023-c462fe651ffb")]
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public readonly InputSlot<float> Amount = new();
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[GraphParam]
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[Input(Guid = "463149FA-B53B-4D43-B4E7-57DCB045BBA0")]
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public readonly InputSlot<float> StepScale = new();
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} |