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(Dev's note: While using classes, this loosely follows a functional programming approach which considers all methods as ideally stateless, allowing for a clean data model and processing approach that minimises bugs caused by retained state. FP is the ultimate MVC, since it achieves MVC's goal of separation of concerns explicitly. See this question.)

(Dev's note: While using classes, this loosely follows a functional programming approach which considers all methods as ideally stateless, allowing for a clean data model and processing approach that minimises bugs caused by retained state. FP is the ultimate MVC, since it achieves MVC's goal of separation of concerns explicitly. See this question.)

/*** Real time game code ***/

class Main
{

//...members variables...
var model:GameModel = new GameModel();

//...member functions...
function realTimeUpdate() //called x times per second, on a timer.
{
    for each (var entity in model.entities)
    {
        //command processing
        if (entity == player)
            decideActionsFromPlayerInput(entity);
        else //everyone else is your enemy!
            decideActionsThroughDeviousAI(entity);

        act(entity);
    }
}
//OR
function turnBasedUpdate()
{
    if (model.whoseTurn == "player")
    {
        decideActionsFromInput(model.player); //may be some movement or none at all
        act(player);
    }
    else
    {
        var enemy;
        for each (var entity in model.entities)
        {
            if (entity != model.player)
            {
                enemy = entity;
                decideActions(enemy);
                act(enemy);
            }
        }
    }
}

//AND THEN... (common to both turn-based and real-time)
function decideActionsThroughDeviousAI(enemy)
{
    if (distanceBetween(enemy, player) <= enemy.maximumAttackDistance)
        storeAttackCommand(enemy, "kidney punch", model.player);
    else
        storeMoveCommand(player, getVectorFromTo(enemy, model.player));

}

function decideActionsFromPlayerInput(player)
{
    //store commands to your player data based on keyboard input
    if (KeyManager.isKeyDown("A"))
        storeMoveCommand(player, getForwardVector(player));
    if (KeyManager.isKeyDown("space"))
        storeAttackCommand(player, "groin slam", currentlyHighlightedEnemy);
}
function storeAttackCommand(entity, attackType, target)
{
    entity.target = target;

    entity.currentAttack = attackType;
    //OR
    entity.attackQueue.add(attackType);
}
function storeMoveCommand(entity, motionVector)
{
    entity.motionVector = motionVector;
}
function act(entity)
{
    entity.position += entity.motionVector;
    attack(entity.target, entity.currentAttack);
}
}

class GameModel
{
    var entities:Array = []; //or List<Entity> or whatever!
    var player:Entity; //will often also appear in the entity list, above
    var difficultyLevel:int;
    var globalMaxAttackDamage:int;
    var whoseTurn:Boolean; //if turnbased
    //etc.

}

class Main
{

//...members variables...
var model:GameModel = new GameModel();

//...member functions...
function realTimeUpdate() //called x times per second, on a timer.
{
    for each (var entity in model.entities)
    {
        //command processing
        if (entity == player)
            decideActionsFromPlayerInput(entity);
        else //everyone else is your enemy!
            decideActionsThroughDeviousAI(entity);

        act(entity);
    }
}
//OR
function turnBasedUpdate()
{
    if (model.whoseTurn == "player")
    {
        decideActionsFromInput(model.player); //may be some movement or none at all
        act(player);
    }
    else
    {
        var enemy;
        for each (var entity in model.entities)
        {
            if (entity != model.player)
            {
                enemy = entity;
                decideActions(enemy);
                act(enemy);
            }
        }
    }
}

//AND THEN... (common to both turn-based and real-time)
function decideActionsThroughDeviousAI(enemy)
{
    if (distanceBetween(enemy, player) <= enemy.maximumAttackDistance)
        storeAttackCommand(enemy, "kidney punch", model.player);
    else
        storeMoveCommand(player, getVectorFromTo(enemy, model.player));

}

function decideActionsFromPlayerInput(player)
{
    //store commands to your player data based on keyboard input
    if (KeyManager.isKeyDown("A"))
        storeMoveCommand(player, getForwardVector(player));
    if (KeyManager.isKeyDown("space"))
        storeAttackCommand(player, "groin slam", currentlyHighlightedEnemy);
}
function storeAttackCommand(entity, attackType, target)
{
    entity.target = target;

    entity.currentAttack = attackType;
    //OR
    entity.attackQueue.add(attackType);
}
function storeMoveCommand(entity, motionVector)
{
    entity.motionVector = motionVector;
}
function act(entity)
{
    entity.position += entity.motionVector;
    attack(entity.target, entity.currentAttack);
}
}

class GameModel
{
    var entities:Array = []; //or List<Entity> or whatever!
    var player:Entity; //will often also appear in the entity list, above
    var difficultyLevel:int;
    var globalMaxAttackDamage:int;
    var whoseTurn:Boolean; //if turnbased
    //etc.

}

(Dev's note: While using classes, this loosely follows a functional programming approach which considers all methods as ideally stateless, allowing for a clean data model and processing approach that minimises bugs caused by retained state. FP is the ultimate MVC.)

(Dev's note: While using classes, this loosely follows a functional programming approach which considers all methods as ideally stateless, allowing for a clean data model and processing approach that minimises bugs caused by retained state. FP is the ultimate MVC, since it achieves MVC's goal of separation of concerns explicitly. See this question.)