// TRITIUM-PROVENANCE sha256=f23e8cd9f535cc89a3227bcaabd2097b4f5756699b3e29a9bc80ca4fc209bdad lang=rust
// TRITIUM-HEIGHT high=0.00 mid=0.47 low=0.53 fns=3
// TRITIUM-PSEUDO fn=transform3d
//| fn transform3d(x, y, z, r00, r01, r02, r10, r11, r12, r20, r21, r22, tx, ty, tz, out):
//|   out[0] = ((((r00 * x) + (r01 * y)) + (r02 * z)) + tx)
//|   out[1] = ((((r10 * x) + (r11 * y)) + (r12 * z)) + ty)
//|   out[2] = ((((r20 * x) + (r21 * y)) + (r22 * z)) + tz)
//|   1
// TRITIUM-HEIGHT fn=transform3d high=0.00 mid=0.33 low=0.67 role=leaf_charset
fn transform3d(x: f64, y: f64, z: f64, r00: f64, r01: f64, r02: f64, r10: f64, r11: f64, r12: f64, r20: f64, r21: f64, r22: f64, tx: f64, ty: f64, tz: f64, out: &mut [f64]) -> i64 {

    out[0] = ((((r00 * x) + (r01 * y)) + (r02 * z)) + tx);
    out[1] = ((((r10 * x) + (r11 * y)) + (r12 * z)) + ty);
    out[2] = ((((r20 * x) + (r21 * y)) + (r22 * z)) + tz);
    1
}

// TRITIUM-PSEUDO fn=project3d
//| fn project3d(x, y, z, f, out):
//|     return 0
//|     return 1
// TRITIUM-HEIGHT fn=project3d high=0.00 mid=0.48 low=0.52 role=leaf_charset
fn project3d(x: f64, y: f64, z: f64, f: f64, out: &mut [f64]) -> i64 {

    let mut fcmp6 = ((z) == (0.0)) as i64;
    if (fcmp6) != 0 {
        out[0] = 0.0;
        out[1] = 0.0;
        return 0;
    } else {
        out[0] = ((f * x) / z);
        out[1] = ((f * y) / z);
        return 1;
    }
}

// TRITIUM-PSEUDO fn=viewport
//| fn viewport(u, v, w, h, out):
//|   let mut x_3 = u + 1.0
//|   let mut x_4 = x_3 * 0.5
//|   out[0] = x_4 * w
//|   let mut x = 1.0 - v
//|   let mut x_2 = x * 0.5
//|   out[1] = x_2 * h
//|   1
// TRITIUM-HEIGHT fn=viewport high=0.00 mid=0.60 low=0.40 role=leaf_charset
fn viewport(u: f64, v: f64, w: f64, h: f64, out: &mut [f64]) -> i64 {

    let mut x_3 = u + 1.0;
    let mut x_4 = x_3 * 0.5;
    out[0] = x_4 * w;
    let mut x = 1.0 - v;
    let mut x_2 = x * 0.5;
    out[1] = x_2 * h;
    1
}