/* global randInt b:true*/
/* global randFloat b:true*/
Script.include("/~/system/libraries/utils.js");
(function () {
    var DEBUG = false;

    // var BASE_HEIGHT = 1.911; // Hips to foot distance = 0.82
    var BASE_CHECK_DISTANCE = 0.43;
    var BASE_RESET_DISTANCE = 0.155;
    var BASE_SHIFT = 0.0;


    var soundFileName = 'sounds/shoestep';
    var soundFileTypes = ['a', 'b'];
    var numberOfSounds = 2;
    var soundPitchWobble = 0.5;
    var volumeBase = 0.01;
    var volumeWobble = 0.0401;
    var feetBones = ['RightFoot', 'LeftFoot'];


    var sndHooves = [];
    var feetBonesDownStatus = [];
    var soundTypePos = 0;

    function initialize() {
        loadSounds();
        BASE_CHECK_DISTANCE += BASE_SHIFT;
        BASE_RESET_DISTANCE += BASE_SHIFT;

        for (var iTemp = 0; iTemp < feetBones.length; ++iTemp) {
            feetBonesDownStatus[iTemp] = true;
        }
        Script.update.connect(eventTimer);

        print("Therion Hoof Script Started...");
    }

    function loadSounds() {
        var filePath; var soundHandle;
        for (var iTemp = 1; iTemp < numberOfSounds + 1; ++iTemp) {
            for (var iSoundType = 0; iSoundType < soundFileTypes.length; ++iSoundType) {
                filePath = Script.resolvePath(soundFileName + "_" + soundFileTypes[iSoundType] + "_" + iTemp + ".wav");
                // print("Loading "+filePath);
                soundHandle = SoundCache.getSound(filePath);
                sndHooves.push(soundHandle);
            }
        }
    }

    function checkFeet() {
        var results = [];
        var groundPosition = MyAvatar.getWorldFeetPosition();

        if (DEBUG) {
            DebugDraw.addMarker("hoofDbg_Ground",
                { x: 0, y: 0, z: 0, w: 1 },
                MyAvatar.getWorldFeetPosition(),
                { x: 0, y: 1, z: 0, w: 1 });
        }

        var footPosition, footDistanceFromGround, footDownResult, footResetResult;

        for (var iTemp = 0; iTemp < feetBones.length; ++iTemp) {
            footPosition = MyAvatar.getJointPosition(feetBones[iTemp]);
            footDistanceFromGround = footPosition.y - groundPosition.y;

            results[iTemp] = 0;
            // Are we down?
            footResetResult = footDistanceFromGround > BASE_RESET_DISTANCE;
            footDownResult = footDistanceFromGround < BASE_CHECK_DISTANCE;

            if (footResetResult) {
                results[iTemp] = 1;
            } else if (footDownResult) {
                results[iTemp] = 2;
            }
        }

        return results;
    }

    function eventTimer(delta) {
        var results = checkFeet();
        var footPosition, footRotation;
        for (var iTemp = 0; iTemp < feetBones.length; ++iTemp) {
            footPosition = MyAvatar.getJointPosition(feetBones[iTemp]);
            // footPosition = Vec3.sum(footPosition,{x:5,y:0,z:0});
            if (!feetBonesDownStatus[iTemp] && results[iTemp] === 2) {
                // Play the sound
                Audio.playSound(sndHooves[(randInt(0, 2) * numberOfSounds) + soundTypePos], {
                    position: footPosition,
                    volume: volumeBase + randFloat(0, volumeWobble),
                    pitch: 4.0 + randFloat(1, soundPitchWobble)
                });/**/
                ++soundTypePos;
                if (soundTypePos === soundFileTypes.length) {
                    soundTypePos = 0;
                }

                if (DEBUG) {
                    DebugDraw.addMarker("hoofSnd",
                        { x: 0, y: 0, z: 0, w: 1 },
                        footPosition,
                        { x: 0, y: 2, z: 2, w: 1 });
                }
                // print("Stepped");
                feetBonesDownStatus[iTemp] = true;
            } else if (feetBonesDownStatus[iTemp] && results[iTemp] === 1) {
                // print("Reset");
                feetBonesDownStatus[iTemp] = false;
            }
            if (DEBUG) {
                DebugDraw.addMarker("hoofDbg_" + feetBones[iTemp],
                    { x: 0, y: 0, z: 0, w: 1 },
                    MyAvatar.getJointPosition(feetBones[iTemp]),
                    { x: feetBonesDownStatus[iTemp], y: 0, z: !feetBonesDownStatus[iTemp], w: 1 });
            }
        }
    }

    initialize();
    Script.scriptEnding.connect(function () {
        Script.update.disconnect(eventTimer);

        // Entities.deleteEntity(leftFootEntity);
        // Entities.deleteEntity(rightFootEntity);
    });
}());