////////////////////////////////////////////////////////////
//~ Helpers

V_ParticleDesc V_DescFromParticleKind(V_ParticleKind kind)
{
  if (kind < 0 || kind >= V_ParticleKind_COUNT)
  {
    kind = V_ParticleKind_None;
  }

  V_ParticleDesc result;
  {
    PERSIST Readonly V_ParticleFlag flags[V_ParticleKind_COUNT] = {
      #define X(name, flags, stain_rate, pen_rate, r, g, b, a) flags,
        V_ParticlesXList(X)
      #undef X
    };
    PERSIST Readonly f32 stain_rates[V_ParticleKind_COUNT] = {
      #define X(name, flags, stain_rate, pen_rate, r, g, b, a) stain_rate,
        V_ParticlesXList(X)
      #undef X
    };
    PERSIST Readonly f32 pen_rates[V_ParticleKind_COUNT] = {
      #define X(name, flags, stain_rate, pen_rate, r, g, b, a) pen_rate,
        V_ParticlesXList(X)
      #undef X
    };
    PERSIST Readonly f32 r[V_ParticleKind_COUNT] = {
      #define X(name, flags, stain_rate, pen_rate, r, g, b, a) r,
        V_ParticlesXList(X)
      #undef X
    };
    PERSIST Readonly f32 g[V_ParticleKind_COUNT] = {
      #define X(name, flags, stain_rate, pen_rate, r, g, b, a) g,
        V_ParticlesXList(X)
      #undef X
    };
    PERSIST Readonly f32 b[V_ParticleKind_COUNT] = {
      #define X(name, flags, stain_rate, pen_rate, r, g, b, a) b,
        V_ParticlesXList(X)
      #undef X
    };
    PERSIST Readonly f32 a[V_ParticleKind_COUNT] = {
      #define X(name, flags, stain_rate, pen_rate, r, g, b, a) a,
        V_ParticlesXList(X)
      #undef X
    };
    result.flags = flags[kind];
    result.stain_rate = stain_rates[kind];
    result.pen_rate = pen_rates[kind];
    result.color = LinearFromSrgb(VEC4(r[kind], g[kind], b[kind], a[kind]));
  }
  return result;
}