lib/ui/gfx/resources/snapshot/snapshot.fbs

// Flatbuffer schema for snapshot of scenic nodes.

namespace snapshot;

struct Vec3 {
  x:float = 0;
  y:float = 0;
  z:float = 0;
}

struct Quat {
  x:float = 0;
  y:float = 0;
  z:float = 0;
  w:float = 1;
}

union Shape { Mesh, Circle, Rectangle, RoundedRectangle }

table Mesh {
}

table Circle {
  radius:float;
}

table Rectangle {
  width:float;
  height:float;
}

table RoundedRectangle {
  width:float;
  height:float;

  top_left_radius:float;
  top_right_radius:float;
  bottom_right_radius:float;
  bottom_left_radius:float;
}

table Color {
  red:float;
  green:float;
  blue:float;
  alpha:float;
}

table Image {
  format:int;
  width:int;
  height:int;

  data:[ubyte];
}

union Material { Color, Image }

table AttributeBuffer {
  buffer:[ubyte];
  vertex_count:int;
  stride:int;
}

table IndexBuffer {
  buffer:[ubyte];
  index_count:int;
}

table Geometry {
  attributes:[AttributeBuffer];
  indices:IndexBuffer;
  bbox_min:Vec3;
  bbox_max:Vec3;
}

table Transform {
  translation:Vec3;
  scale:Vec3;
  rotation:Quat;
  anchor:Vec3;
}

table Node {
  name:string;
  transform:Transform;

  shape:Shape;
  mesh:Geometry;
  material:Material;

  children:[Node];
}

table Scene {
  camera:Vec3;
  nodes:[Node];
}

table Scenes {
  scenes:[Scene];
}

root_type Scenes;