eu07.idl

namespace eu07;

struct Vertex {
  x: float;
  y: float;
  z: float;
}

struct Quaternion {
  x: float;
  y: float;
  z: float;
  w: float;
}

table Texture {
  name: string;
}

table Program {
  geometry: string;
  fragment: string;
}

enum NormalFormat: byte = { DISABLED = 0, FLOAT = 1, INT_2_10_10_10 = 2 }
enum TexCoordFormat: byte = { FLOAT = 0, HALF_FLOAT = 2, SHORT = 3, BYTE = 4 }

struct VertexFormat {
  normal: NormalFormat;
  texCoord: TexCoordFormat;
  texCoordCount: byte;
}

table Header {
  version: uint;
  textures: [Texture];
  programs: [Program];
}

table Mesh {
  position: Vertex;
  orientation: Quaternion;
  format: VertexFormat;
  data: [ubyte]; // vertex data
  uniforms: [ubyte];
  textures: [ubyte]; // texture index in header, UCHAR_MAX - n for replaceable textures
  program: ubyte; // GLSL program index in header
}

table InstancedMesh {
  mesh: Mesh;
  count: uint;
}

table AnimatedMesh {
  mesh: Mesh;
}

union AnyMesh { Mesh, InstancedMesh, AnimatedMesh }