using UnityEngine.Graphing; namespace UnityEngine.MaterialGraph { public abstract class Function3Input : AbstractMaterialNode, IGeneratesBodyCode { protected const string kInputSlot1ShaderName = "Input1"; protected const string kInputSlot2ShaderName = "Input2"; protected const string kInputSlot3ShaderName = "Input3"; protected const string kOutputSlotShaderName = "Output"; public const int InputSlot1Id = 0; public const int InputSlot2Id = 1; public const int InputSlot3Id = 2; public const int OutputSlotId = 3; public override bool hasPreview { get { return true; } } protected Function3Input() { UpdateNodeAfterDeserialization(); } public sealed override void UpdateNodeAfterDeserialization() { AddSlot(GetInputSlot1()); AddSlot(GetInputSlot2()); AddSlot(GetInputSlot3()); AddSlot(GetOutputSlot()); RemoveSlotsNameNotMatching(validSlots); } protected int[] validSlots { get { return new[] {InputSlot1Id, InputSlot2Id, InputSlot3Id, OutputSlotId}; } } protected virtual MaterialSlot GetInputSlot1() { return new MaterialSlot(InputSlot1Id, GetInputSlot1Name(), kInputSlot1ShaderName, SlotType.Input, SlotValueType.Dynamic, Vector4.zero); } protected virtual MaterialSlot GetInputSlot2() { return new MaterialSlot(InputSlot2Id, GetInputSlot2Name(), kInputSlot2ShaderName, SlotType.Input, SlotValueType.Dynamic, Vector4.zero); } protected virtual MaterialSlot GetInputSlot3() { return new MaterialSlot(InputSlot3Id, GetInputSlot3Name(), kInputSlot3ShaderName, SlotType.Input, SlotValueType.Dynamic, Vector4.zero); } protected virtual MaterialSlot GetOutputSlot() { return new MaterialSlot(OutputSlotId, GetOutputSlotName(), kOutputSlotShaderName, SlotType.Output, SlotValueType.Dynamic, Vector4.zero); } protected virtual string GetInputSlot1Name() { return "Input1"; } protected virtual string GetInputSlot2Name() { return "Input2"; } protected virtual string GetInputSlot3Name() { return "Input3"; } protected virtual string GetOutputSlotName() { return "Output"; } protected abstract string GetFunctionName(); protected virtual string GetFunctionPrototype(string arg1Name, string arg2Name, string arg3Name) { return "inline " + precision + outputDimension + " " + GetFunctionName() + " (" + precision + input1Dimension + " " + arg1Name + ", " + precision + input2Dimension + " " + arg2Name + ", " + precision + input3Dimension + " " + arg3Name + ")"; } public void GenerateNodeCode(ShaderGenerator visitor, GenerationMode generationMode) { NodeUtils.SlotConfigurationExceptionIfBadConfiguration(this, new[] { InputSlot1Id, InputSlot2Id, InputSlot3Id }, new[] { OutputSlotId }); string input1Value = GetSlotValue(InputSlot1Id, generationMode); string input2Value = GetSlotValue(InputSlot2Id, generationMode); string input3Value = GetSlotValue(InputSlot3Id, generationMode); visitor.AddShaderChunk(precision + outputDimension + " " + GetVariableNameForSlot(OutputSlotId) + " = " + GetFunctionCallBody(input1Value, input2Value, input3Value) + ";", true); } protected virtual string GetFunctionCallBody(string inputValue1, string inputValue2, string inputValue3) { return GetFunctionName() + " (" + inputValue1 + ", " + inputValue2 + ", " + inputValue3 + ")"; } public string outputDimension { get { return ConvertConcreteSlotValueTypeToString(FindOutputSlot(OutputSlotId).concreteValueType); } } private string input1Dimension { get { return ConvertConcreteSlotValueTypeToString(FindInputSlot(InputSlot1Id).concreteValueType); } } private string input2Dimension { get { return ConvertConcreteSlotValueTypeToString(FindInputSlot(InputSlot2Id).concreteValueType); } } public string input3Dimension { get { return ConvertConcreteSlotValueTypeToString(FindInputSlot(InputSlot3Id).concreteValueType); } } } }