Path 资产引用

Texture2D A = Path(Game, "Textures/T_X");
Texture2D B = Path("Plugin.MyPlugin", "Textures/T_X");
Texture2D C = Path("/Game/Textures/T_X");
Texture2D D = "/Game/Textures/T_X";              // 裸引号形式

Shader(Name="Docs/M_Paths")
{
    Properties = {
        // root + 相对路径 —— 标准写法。
        Texture2D A = Path(Game, "Textures/T_White");

        // 带引号的 root，并由 root 携带额外的文件夹段。
        Texture2D B = Path("Game/Textures", "T_Noise");

        // 引擎内容。
        TextureCube C = Path(Engine, "EngineResources/DefaultTextureCube");

        // 插件内容：两种拼写解析结果一致。
        Texture2D D = Path(Plugin.DreamShader, "Textures/T_Probe");
        Texture2D E = Path("Plugins/DreamShader", "Textures/T_Probe");

        // 单实参与裸引号形式 —— 都必须是绝对路径。
        Texture2D F = Path("/Game/Textures/T_White");
        Texture2D G = "/Game/Textures/T_White";

        // 通过元数据走到资产引用解析器。
        CurveAtlasRowParameter Row = float3(0.5, 0.5, 0.5) [
            Curve = Path(Game, "Curves/CV_Ramp");
            Atlas = Path(Game, "Curves/CA_Ramps")
        ];

        // 通过 UE 内置节点实参走到资产引用解析器。
        UE.CollectionParam(Collection = Path(Game, "Collections/MPC_World"),
                           Parameter  = "WindStrength") Wind;
    }

    Settings = { Domain = "Surface"; ShadingModel = "Unlit"; BlendMode = "Opaque"; }
    Outputs  = { vec3 Color; Base.EmissiveColor = Color; }

    Graph = {
        Color = vec3(Wind, Wind, Wind);
    }
}

A  /Game/Textures/T_White.T_White
B  /Game/Textures/T_Noise.T_Noise
C  /Engine/EngineResources/DefaultTextureCube.DefaultTextureCube
D  /DreamShader/Textures/T_Probe.T_Probe          （插件挂载的资产路径）
E  /DreamShader/Textures/T_Probe.T_Probe
F  /Game/Textures/T_White.T_White
G  /Game/Textures/T_White.T_White