package {
import flash.display.*;
import flash.events.*;
import flash.text.*;
import flash.utils.getTimer;

public class Jack2 extends MovieClip {

// screen constants

static const edgeDistance:Number = 100;

// object arrays

private var fixedObjects:Array;
private var otherObjects:Array;

private var hero:Object;

// game state

private var playerObjects:Array;
private var gameMode:String = "start";
private var lastTime:Number = 0;

// start game

public function startJack2() {
playerObjects = new Array();
gameMode = "play";
}

// start level

public function startgamelevel() {

// create characters

createhero();

// examine level and note all objects

examineLevel();

// add listeners

this.addEventListener(Event.ENTER_FRAME,gameLoop);
stage.addEventListener(KeyboardEvent.KEY_DOWN,keyDownFunction);
stage.addEventListener(KeyboardEvent.KEY_UP,keyUpFunction);

// set game state

gameMode = "play";
}

public function createhero() {
hero = new Object();
hero.mc = gamelevel.hero;
hero.dx = 0.0;
hero.dy = 0.0;
hero.direction = 1;
hero.animstate = "stand";
hero.attackAnimation = new Array(13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33);
hero.walkAnimation = new Array(2,3,4,5,6,7,8,9,10);
hero.animstep = 0;
hero.moveLeft = false;
hero.moveRight = false;
hero.walkSpeed = .20;
hero.swingSword = false;
hero.attackSpeed = 0;
hero.width = 15.0;
hero.height = 10.0;
hero.startx = hero.mc.x;
hero.starty = hero.mc.y;
}

public function keyDownFunction(event:KeyboardEvent) {
if (gameMode != "play") return; // don't move until in play mode

if (event.keyCode == 37) {
hero.moveLeft = true;
} else if (event.keyCode == 39) {
hero.moveRight = true;
} else if (event.keyCode == 32) {
hero.swingSword = true;

} else if (event.keyCode == 40) {
hero.attack2 = true;
} else if (event.keyCode == 42) {
if (!hero.inAir) {
hero.jump = true;
}
}
}

public function keyUpFunction(event:KeyboardEvent) {
if (event.keyCode == 37) {
hero.moveLeft = false;
} else if (event.keyCode == 39) {
hero.moveRight = false;
} else if (event.keyCode == 32) {
hero.swingSword = false;
}
}

// perform all game tasks

public function gameLoop(event:Event) {

// get time difference

if (lastTime == 0) lastTime = getTimer();
var timeDiff:int = getTimer()-lastTime;
lastTime += timeDiff;

// only perform tasks if in play mode

if (gameMode == "play") {
  moveCharacter(hero,timeDiff);

}
}

public function moveCharacter(char:Object,timeDiff:Number) {
if (timeDiff < 1) return;

var verticalChange:Number = char.dy*timeDiff;

// react to changes from key presses

var horizontalChange = 0;
var newAnimState:String = "stand";

var newDirection:int = char.direction;
if (char.moveLeft) {

// walk left

horizontalChange = -char.walkSpeed*timeDiff;
newAnimState = "walk";
newDirection = -1;
} else if (char.moveRight) {

// walk right

horizontalChange = char.walkSpeed*timeDiff;
newAnimState = "walk";
newDirection = 1;
}

if (char.swingSword) {

// start attack

horizontalChange = char.attackSpeed*timeDiff;
newAnimState = "attack";
}

var newX:Number = char.mc.x + horizontalChange;
var newY:Number = char.mc.y + verticalChange;

// set position of character

char.mc.x = newX;
char.mc.y = newY;
char.animstate = newAnimState;

// move along attack cycle

if (char.animstate == "attack") {
char.animstep += timeDiff/20;
if (char.animstep > char.attackAnimation.length) {
char.animstep = 0;
}
char.mc.gotoAndStop(char.attackAnimation[Math.floor(char.animstep)]);

// not walking, show stand or jump state

} else {
char.mc.gotoAndStop(char.animstate);
}

// move along walk cycle

char.animstate = newAnimState;
if(char.animstate == "walk") {
char.animstep += timeDiff/120;
if (char.animstep > char.walkAnimation.length) {
char.animstep = 0;
}
char.mc.gotoAndStop(char.walkAnimation[Math.floor(char.animstep)]);
}

// changed directions

if (newDirection != char.direction) {
char.direction = newDirection;
char.mc.scaleX = char.direction;
}
}