// SPDX-License-Identifier: MIT
// Copyright (c) 2026 Incoprea
// Waterline clearance gauge
// Not compiled or tested in-world
// Setup: Owner-touch a rezzed prop. Read the two measurements in owner chat.
// Stop / restore: Remove/disable; this only reads environment data.
// Notes: Measures simulator terrain/water at the object position, not a mesh pool or animated decorative water surface. Negative water depth means terrain is above water.
// License: see LICENSE in this distribution.
// Original Incoprea. MIT. Not compiled or tested in-world.
default
{
    touch_start(integer n)
    {
        if(llDetectedKey(0)!=llGetOwner())return;
        vector p=llGetPos();
        float water=llWater(ZERO_VECTOR);
        float ground=llGround(ZERO_VECTOR);
        llOwnerSay("Center above water: "+(string)(p.z-water)+" m; water above terrain: "+(string)(water-ground)+" m.");
    }
}