protected override void Update(GameTime gameTime)
{
#region GUI
if (_guiVisible)
{
GUI.Update(gameTime);
}
Cursor.Update(gameTime);
#endregion GUI
#region Cursor Actions
MouseState mouse = Mouse.GetState();
switch (Cursor.CurrentState)
{
case CursorState.Build:
if (mouse.LeftButton == ButtonState.Pressed || mouse.RightButton == ButtonState.Pressed)
{
var quad = GameParameters.CurrentMap.GetQuadrant(Cursor.Position);
GameParameters.CurrentMap.ChangeQuadrant(quad, mouse.LeftButton == ButtonState.Pressed ? Tile.Wall : Tile.Ground);
}
break;
case CursorState.AddEntity:
if (mouse.LeftButton == ButtonState.Pressed)
{
Vector2 position = new Vector2(Cursor.Position.X, Cursor.Position.Y);
if (_currentEntity != null && _currentTag != TypeTag.None &&
!GameParameters.CurrentMap.CollidesWithMap(Cursor.CollisionRect) &&
!_mousePressed)
{
AddEntity(_currentEntity, position, _currentTag);
_mousePressed = true;
}
}
else if (mouse.RightButton == ButtonState.Pressed)
{
_mousePressed = true;
}
else
{
_mousePressed = false;
}
break;
default:
break;
}
#endregion Cursor Actions
#region Keyboard Shortcuts
KeyboardState keys = Keyboard.GetState();
if (keys.IsKeyDown(Keys.Tab))
{
if (!_tabPressed && _sandbox)
{
_guiVisible = !_guiVisible;
Cursor.CurrentState = CursorState.Normal;
_tabPressed = true;
}
}
else
{
_tabPressed = false;
}
if (keys.IsKeyDown(Keys.Escape))
{
Exit(Result.ReturnToTitle);
}
#endregion Keyboard Shortcuts
#region Lifetime
if (State == RunState.Initializing)
{
return;
}
if (CheckFinish(gameTime))
{
_parameterUpdateCounter = 0.0f;
return;
}
#endregion Lifetime
#region Parameter Update
_parameterUpdateCounter += gameTime.ElapsedGameTime.Milliseconds;
if (_parameterUpdateCounter >= ParameterUpdateTime)
{
_parameterUpdateCounter -= ParameterUpdateTime;
GameParameters.UpdateEntities(Entities);
}
#endregion Parameter Update
#region Messages
MessageManager.ProcessMessages((message) =>
{
if (message.Receiver == -1)
{
foreach (var entity in Entities.OfType <BaseEntity>())
{
if (entity.Id != message.Sender)
{
entity.ReceiveMessage(message);
}
}
}
else
{
var entity = Entities.OfType <BaseEntity>().FirstOrDefault(e => message.Receiver == e.Id);
if (entity != null)
{
entity.ReceiveMessage(message);
}
}
});
#endregion Messages
#region Entity Update
if (!_isPaused)
{
foreach (var entity in Entities)
{
TryUpdateEntity(gameTime, entity);
}
#region Entities Check
var entities = Entities.OfType <BaseEntity>();
foreach (var entity in entities)
{
if (_toRemove.Contains(entity))
{
continue;
}
var bbox = entity.BoundingBox;
if (GameParameters.CurrentMap.CollidesWithMap(bbox))
{
_toRemove.Push(entity);
continue;
}
var intersect = entities.Where(e => e.BoundingBox.Intersects(bbox));
foreach (var intersection in intersect)
{
if (entity.TargetTag == intersection.Tag)
{
intersection.GetHit();
if (intersection.Health <= 0)
{
_toRemove.Push(intersection);
}
if (entity.Tag == TypeTag.Bullet)
{
_toRemove.Push(entity);
}
}
}
}
CleanEntities();
#endregion Entities Check
#region Endgame Check
if (!_sandbox)
{
if (entities.Where(e => e.Tag == TypeTag.Player).Count() == 0)
{
Exit(Result.GameOver);
}
else if (entities.Where(e => e.Tag == TypeTag.Objective).Count() == 0)
{
Exit(Result.LoadNext);
}
}
#endregion Endgame Check
}
#endregion Entity Update
base.Update(gameTime);
}
