// Prototypes
var gs_wait = function() {
    this.name = "gs_wait";
    this.enter = function() {
        debugPrint("Enter: " + this.name);
    };
    this.update = function(deltaTime) {
        // Listen for connection from player client
        // Wait some time for all players to log-in and join the group.
        debugPrint("update: " + this.name + " d=" + deltaTime);
    };
    this.exit = function() {
        debugPrint("Exit: " + this.name);
    };
};

var gs_missionBrief = function() {
    this.name = "gs_missionBrief";
    this.enter = function() {
        debugPrint("Enter: " + "gs_missionBrief");
        // Reset mission parameters: targets, etc.
    };

    this.update = function(deltaTime) {
        // Wait for explanation of mission to finish.
    };

    this.exit = function() {
        // Load new features of landscape based on chosen mission.
        // Enable player scanning/manipulation/game play features.
    };
};

var gs_missionRunning = function() {
    this.name = "gs_missionRunning";
    this.enter = function() {
        debugPrint("Enter: " + this.name);
    };
    this.update = function(deltaTime) {
        // Check for number of targets acquired.
        // Check for environmental changes
    };
    this.exit = function() {
        debugPrint("Exit: " + this.name);
    };
};

function inheritsFrom(child, parent) {
    child.prototype = Object.create(parent.prototype);
};

// Helpers

function changeGameState(newState) {
    if (_gameState != undefined)
        _gameState.exit();

    _gameState = newState;
    _gameState.enter();
}

function debugPrint(message) {
    //console.log(message);
    print(message);
}

var eMissionType = {
    water : 0,
    mineral : 1,
    plant : 2,
    animal : 3
};

var Mission = {
    name : "",
    introAudioUrl : "",
    targetPoints : [],
    targetModelUrl : ""
};

var _gameState = null;

// Initialize everything
function gameInit() {
    changeGameState(new gs_wait());
}

function checkAvatars() {
    
}

function onUpdate(deltaTime) {
    
    _gameState.update(deltaTime);
}

gameInit();
Script.update.connect(onUpdate);