public override void AddDefaultProperty(PropertyCollector properties, GenerationMode generationMode)
{
if (!generationMode.IsPreview())
{
return;
}
var matOwner = owner as AbstractMaterialNode;
if (matOwner == null)
{
throw new Exception(string.Format("Slot {0} either has no owner, or the owner is not a {1}", this, typeof(AbstractMaterialNode)));
}
IShaderProperty property;
switch (concreteValueType)
{
case ConcreteSlotValueType.Vector4:
property = new Vector4ShaderProperty();
break;
case ConcreteSlotValueType.Vector3:
property = new Vector3ShaderProperty();
break;
case ConcreteSlotValueType.Vector2:
property = new Vector2ShaderProperty();
break;
case ConcreteSlotValueType.Vector1:
property = new FloatShaderProperty();
break;
default:
throw new ArgumentOutOfRangeException();
}
property.overrideReferenceName = matOwner.GetVariableNameForSlot(id);
property.generatePropertyBlock = false;
properties.AddShaderProperty(property);
}
public override void AddDefaultProperty(PropertyCollector properties, GenerationMode generationMode)
{
if (!generationMode.IsPreview())
{
return;
}
var matOwner = owner as AbstractMaterialNode;
if (matOwner == null)
{
throw new Exception(string.Format("Slot {0} either has no owner, or the owner is not a {1}", this, typeof(AbstractMaterialNode)));
}
var property = new FloatShaderProperty()
{
overrideReferenceName = matOwner.GetVariableNameForSlot(id),
generatePropertyBlock = false,
value = value
};
properties.AddShaderProperty(property);
}
internal static void GenerateSurfaceDescription(
List <INode> activeNodeList,
AbstractMaterialNode masterNode,
AbstractMaterialGraph graph,
ShaderGenerator surfaceDescriptionFunction,
FunctionRegistry functionRegistry,
PropertyCollector shaderProperties,
ShaderGraphRequirements requirements,
GenerationMode mode,
string functionName = "PopulateSurfaceData",
string surfaceDescriptionName = "SurfaceDescription",
FloatShaderProperty outputIdProperty = null,
IEnumerable <MaterialSlot> slots = null)
{
if (graph == null)
{
return;
}
surfaceDescriptionFunction.AddShaderChunk(String.Format("{0} {1}(SurfaceInputs IN) {{", surfaceDescriptionName, functionName), false);
surfaceDescriptionFunction.Indent();
surfaceDescriptionFunction.AddShaderChunk(String.Format("{0} surface = ({0})0;", surfaceDescriptionName), false);
graph.CollectShaderProperties(shaderProperties, mode);
foreach (var activeNode in activeNodeList.OfType <AbstractMaterialNode>())
{
if (activeNode is IGeneratesFunction)
{
functionRegistry.builder.currentNode = activeNode;
(activeNode as IGeneratesFunction).GenerateNodeFunction(functionRegistry, mode);
}
if (activeNode is IGeneratesBodyCode)
{
(activeNode as IGeneratesBodyCode).GenerateNodeCode(surfaceDescriptionFunction, mode);
}
if (masterNode == null && activeNode.hasPreview)
{
var outputSlot = activeNode.GetOutputSlots <MaterialSlot>().FirstOrDefault();
if (outputSlot != null)
{
surfaceDescriptionFunction.AddShaderChunk(String.Format("if ({0} == {1}) {{ surface.PreviewOutput = {2}; return surface; }}", outputIdProperty.referenceName, activeNode.tempId.index, ShaderGenerator.AdaptNodeOutputForPreview(activeNode, outputSlot.id, activeNode.GetVariableNameForSlot(outputSlot.id))), false);
}
}
activeNode.CollectShaderProperties(shaderProperties, mode);
}
functionRegistry.builder.currentNode = null;
if (masterNode != null)
{
if (masterNode is IMasterNode)
{
var usedSlots = slots ?? masterNode.GetInputSlots <MaterialSlot>();
foreach (var input in usedSlots)
{
var foundEdges = graph.GetEdges(input.slotReference).ToArray();
if (foundEdges.Any())
{
surfaceDescriptionFunction.AddShaderChunk(string.Format("surface.{0} = {1};", NodeUtils.GetHLSLSafeName(input.shaderOutputName), masterNode.GetSlotValue(input.id, mode)), true);
}
else
{
surfaceDescriptionFunction.AddShaderChunk(string.Format("surface.{0} = {1};", NodeUtils.GetHLSLSafeName(input.shaderOutputName), input.GetDefaultValue(mode)), true);
}
}
}
else if (masterNode.hasPreview)
{
foreach (var slot in masterNode.GetOutputSlots <MaterialSlot>())
{
surfaceDescriptionFunction.AddShaderChunk(string.Format("surface.{0} = {1};", NodeUtils.GetHLSLSafeName(slot.shaderOutputName), masterNode.GetSlotValue(slot.id, mode)), true);
}
}
}
surfaceDescriptionFunction.AddShaderChunk("return surface;", false);
surfaceDescriptionFunction.Deindent();
surfaceDescriptionFunction.AddShaderChunk("}", false);
}