Data Types: Enums and Structs

public enum PlatformType { PC, Mac, Android, iOS, Pico, Quest, AVP, PicoSwan, OpenXR, PCVR }

public enum ActiveRenderMode { MultiRender, SingleRender }

public enum SourceType { LCC, PLY, SPLAT, TYY, None, SOG, SPZ, KSPLAT }

public enum DataType { L1, L2, L2Pro, K1, K2, Drone, Drone_L2, PortalCam, None }

public enum MipMode { Mip, Non_Mip }

public enum SnapType { None, Edge, Corner }

public enum SelectionMode { Auto, Normal, Large }

public enum RenderMode { PointCloud, LCCGS }

public enum SelectMode { normal, invert, clip }

public enum OperationMode { normal = 0, erase = 1 }

public enum EditType { Edit2D, Edit3D }

public enum ShapeType { box, sphere }

public struct HitResult {
    public bool isHit;             // Whether a hit occurred
    public float distance;         // Distance
    public Vector3 hitPos;         // Hit point in world coordinates
    public Vector3 normal;         // Hit normal
    public float hitAlpha;         // Alpha of the hit ellipsoid
    public float dist2Origin;      // Distance to the ray origin
    public float scale;            // Ellipsoid scale
    public SnapType snapType;      // Snap type (None / Edge / Corner)
    public Vector3 originalHitPos; // Original hit point before snapping
}

public struct SnapPreviewState {
    public bool hasTarget;          // Whether there is a snap target
    public SnapType snapType;       // None / Edge / Corner
    public Vector2 screenPos;       // Screen coordinates of the snap target
    public float distanceToMouse;   // Pixel distance to the mouse position
}

public struct Data2D {
    public Texture2D texture;  // R8 1024x1024 mask texture
    public Matrix4x4 mv;       // ModelView matrix
    public Matrix4x4 mvp;      // ModelViewProjection matrix
    public SelectMode mode;    // normal / invert
}

public struct Data3D {
    public ShapeType type;          // box / sphere
    public Matrix4x4 invMat;        // Inverse transform matrix of the geometry
    public OperationMode operation; // normal=union, erase=subtraction
    public SelectMode mode;         // normal / invert / clip
}

public struct DataMix {
    public EditType editType;       // Edit2D / Edit3D
    public ShapeType type;          // 3D geometry type
    public Matrix4x4 invMat;        // 3D inverse transform matrix
    public Texture2D texture;       // 2D mask texture
    public Matrix4x4 mv;            // 2D ModelView
    public Matrix4x4 mvp;           // 2D MVP
    public OperationMode operation;
    public SelectMode mode;
}

public struct ToneMix {
    public EditType editType;       // Edit2D / Edit3D
    public ShapeType type;          // 3D geometry type
    public Matrix4x4 invMat;        // 3D inverse transform matrix
    public Texture2D texture;       // 2D mask texture
    public Matrix4x4 mv;            // 2D ModelView
    public Matrix4x4 mvp;           // 2D MVP
    public OperationMode operation;
    public SelectMode mode;
    public float brightness;        // Brightness (default 1.0)
    public float saturation;        // Saturation (default 1.0)
    public float contrast;          // Contrast (default 1.0)
    public int lutid;               // LUT filter index (0 = not used)
}

public struct PointLightData {
    public float3 position;    // World coordinates
    public int lightType;      // 0=point light, 1=spot light
    public float3 color;       // RGB color (no alpha component)
    public float intensity;    // Light intensity
    public float3 direction;   // Spot light direction (ignored for point light)
    public float range;        // Light range
    public float spotAngle;    // Spot light cone angle (degrees, ignored for point light)
    public float3 pad;         // Alignment padding, no assignment needed
}

public struct DecalOcclusionSettings {
    public float opacityCutoff;   // Minimum opacity in [0,1] for a splat to participate in the depth map, default 0 (all participate)
    public float depthBias;       // Relative depth tolerance ratio, default 0.05
    public int   footprintMaxPx;  // Maximum square footprint radius (px), 0~16, default 2
    public int   resolution;      // Depth map resolution (px, power of 2, 256~4096), default 1024

    public static DecalOcclusionSettings Default { get; } // cutoff=0, bias=0.05, footprint=2, resolution=1024
}

public struct LCCMeshBlockInfo {
    public string id;           // Node id, corresponding to LCCMeshBlock.id
    public Bounds boundsWorld;  // World-space AABB, used to select ids
    public Bounds boundsLocal;  // Local-space AABB
    public int vertexCount;     // Vertex count
    public int faceCount;       // Face count
}

public struct LCCMeshBlock {
    public string id;           // Node id
    public Vector3[] vertices;  // Vertices, in local coordinates
    public int[] triangles;     // Triangle indices, three per group
    public Bounds boundsLocal;  // Bounding box in the same space as vertices
}