Basic Chat

//****** Donations are greatly appreciated.  ******
//****** You can donate directly to Jesse through paypal at  https://www.paypal.me/JEtzler   ******

import Debug;

private var log:Array = new Array();
var maxLogMessages:int = 200;
var visible:boolean = true;
var stringToEdit : String = "";
var selectTextfield : boolean = true;

function Start() {

    Input.eatKeyPressOnTextFieldFocus = false;
        log.Add("Alpha Build 1.0");
}

function print(string:String)

    {

        log.push(string);
        if(log.length > maxLogMessages)
            log.RemoveAt(0);
    }

    private var scrollPos:Vector2 = Vector2(0, 0);
    private var lastLogLen:int = 0;
    var printGUIStyle:GUIStyle;
    var maxLogLabelHeight:float = 100.0f;

function OnGUI() {

        if(visible) {
        GUI.SetNextControlName ("chatWindow");
        stringToEdit = GUI.TextField (Rect (0.0, Screen.height - 50, 200, 20), stringToEdit, 25);

    if (!selectTextfield) {
            GUI.FocusControl ("chatWindow");

        }

    var logBoxWidth:float = 180.0;
    var logBoxHeights:float[] = new float[log.length];
    var totalHeight:float = 0.0;
    var i:int = 0;

        for(var string:String in log) {

                var logBoxHeight = Mathf.Min(maxLogLabelHeight, printGUIStyle.CalcHeight(GUIContent(string), logBoxWidth));
                logBoxHeights[i++] = logBoxHeight;
            totalHeight += logBoxHeight+10.0;
        }

    var innerScrollHeight:float = totalHeight;

    // if there's a new message, automatically scroll to bottom
    if(lastLogLen != log.length) {
        scrollPos = Vector2(0.0, innerScrollHeight);
                lastLogLen = log.length;
        }

    scrollPos = GUI.BeginScrollView(Rect(0.0, Screen.height-150.0-50.0, 200, 150), scrollPos, Rect(0.0, 0.0, 180, innerScrollHeight));

            var currY:float = 0.0;
            i = 0;

            for(var string:String in log) {

                logBoxHeight = logBoxHeights[i++];
                GUI.Label(Rect(10, currY, logBoxWidth, logBoxHeight), string, printGUIStyle);
                currY += logBoxHeight+10.0;
            }

            GUI.EndScrollView();
        }

}

function Update () {

    if(Input.GetKeyDown("return")) {
        if(selectTextfield) {
            selectTextfield = !selectTextfield;
        }
        if(stringToEdit != "") {
            log.Add("" + stringToEdit );
            stringToEdit = "";
        }
    }
}