# 

# This example demonstrates how to create a dynamic shader definition 

# with an input array parameter and then populate the array using the

# ValueMap object created via the ItemInitialValues property.

# 

from win32com.client import constants as si

app = Application

app.NewScene("", False)

oShaderDef = XSIFactory.CreateShaderDef("MyParser", "MyArrayDemo", 1, 0)

oShaderDef.AddShaderFamily(si.siShaderFamilyTexture)

app.LogMessage("Shader definition name: " + oShaderDef.Name)

# Add input parameter to definition

oShaderParamDefOptions = XSIFactory.CreateShaderParamDefOptions()

oShaderParamDefOptions.SetTexturable(True)

oInputParams = oShaderDef.InputParamDefs

oParamDef = oInputParams.AddParamDef("flurry", si.siScalarParameterType, oShaderParamDefOptions)

# Add output parameter

oShaderParamDefOptions = XSIFactory.CreateShaderParamDefOptions()

oShaderParamDefOptions.SetTexturable(True)

oOutputParams = oShaderDef.OutputParamDefs

oParamDef = oOutputParams.AddParamDef("blizzard", si.siScalarParameterType, oShaderParamDefOptions)

# Add renderer

oRendererDef = oShaderDef.AddRendererDef("bogus")

oRendererDef.SymbolName = "Poof"

oRendererDef.CodePath = "{LIBS}/dummy.{EXT}"

# Set the version option

oRendererOpts = oRendererDef.RendererOptions

oRendererOpts.Set("rendition", 1)

# Expected result:

# INFO : Shader definition name: MyParser.MyArrayDemo.1.0