template.usda

template.usda

#usda 1.0
(
    endTimeCode = 241
    framesPerSecond = 24
    metersPerUnit = 1
    startTimeCode = 101
    timeCodesPerSecond = 24
    upAxis = "Y"
)

def Scope "Templates" (
    def Xform "Card" (
        kind = "component"
        customData = {
            string templateKind = "create"
            string[] recipe = [
                "(print 'Creating a card for' ${IMAGE_FILE} `\n`)",
                "(connectMaterial ${SCOPE}/cardMaterial ${SCOPE}/cardMaterial/PBRShader)",
                "(bindMaterial ${SCOPE}/cardMesh ${SCOPE}/cardMaterial)",
                "(connect ${SCOPE}/cardMaterial/PBRShader diffuseColor ${SCOPE}/cardMaterial/diffuseTexture rgb c3)",
                "(connect ${SCOPE}/cardMaterial/diffuseTexture st ${SCOPE}/cardMaterial/stReader result f2)",
                "(connect ${SCOPE}/cardMaterial/stReader varname ${SCOPE}/cardMaterial frame:stPrimvarName token)",
                "(setShaderInput ${SCOPE}/cardMaterial/diffuseTexture file ${IMAGE_FILE})",
                "(createImageQuad ${SCOPE}/cardMesh ${IMAGE_FILE})",
                "(computeExtent ${SCOPE}/cardMesh)"
            ]
        }
    )
    {
        def Mesh "cardMesh" (
            apiSchemas = ["MaterialBindingAPI"]
        )
        {
            float3[] extent = [(-430, -145, 0), (430, 145, 0)]
            int[] faceVertexCounts = [4]
            int[] faceVertexIndices = [0, 1, 2, 3]
            point3f[] points = [(-430, -145, 0), (430, -145, 0), (430, 145, 0), (-430, 145, 0)]
            texCoord2f[] primvars:st = [(0, 0), (1, 0), (1, 1), (0, 1)] (
                interpolation = "varying"
            )
        }

        def Material "cardMaterial"
        {
            token inputs:frame:stPrimvarName = "st"

            def Shader "PBRShader"
            {
                uniform token info:id = "UsdPreviewSurface"
                float inputs:metallic = 0
                float inputs:roughness = 0.4
                token outputs:surface
            }

            def Shader "stReader"
            {
                uniform token info:id = "UsdPrimvarReader_float2"
                float2 outputs:result
            }

            def Shader "diffuseTexture"
            {
                uniform token info:id = "UsdUVTexture"
                #asset inputs:file = @IMAGE_FILE@
                float3 outputs:rgb
            }
        }
    }
}