public Button(float x, float y, float width, float height, string name)
{
location = new PointF(x, y);
this.width = width;
this.height = height;
this.name = name;
}
/// <summary>
/// Give selected units a move command
/// </summary>
/// <param name="point">Destination</param>
public void MoveSelectedUnitsToPoint(PointF point)
{
List<ModelComponent> selectedEntities = ((XnaUITestGame)Game).Model.GetSelectionState().SelectedEntities;
// Ensure each component is a Unit.
bool allAreUnits = true;
bool playerEntities = false;
foreach (ModelComponent component in selectedEntities)
{
if (entityBelongsToPlayer(component))
{
playerEntities = true;
if (!(component is UnitComponent))
{
allAreUnits = false;
break;
}
}
}
if (allAreUnits && playerEntities)
{
foreach (UnitComponent unit in selectedEntities)
{
MoveAction moveAction = new MoveAction(point.X, point.Y,getMap() , unit);
ActionQueue aq = unit.GetActionQueue();
aq.GetChildren().Clear();
aq.AddChild(moveAction);
}
}
}
/// <summary>
/// find the closest cell from the specified destination
/// </summary>
/// <param name="point">Destination</param>
/// <returns>Closest cell</returns>
private CellComponent findClosestCell(PointF point)
{
double distanceSquared = Math.Pow(map.GetWidth(), 2.0) + Math.Pow(map.GetHeight(), 2.0);
CellComponent cell = null;
for (int i = Math.Max((int)building.PointLocation.X - 1, 0); i <= building.PointLocation.X + building.Width + 1; i++)
{
for (int j = Math.Max((int)building.PointLocation.Y - 1, 0); j <= building.PointLocation.Y + building.Height + 1; j++)
{
// Ignore cases in the middle of the proposed building site.
if (!(i >= (int)building.PointLocation.X && i < (int)building.PointLocation.X + building.Width && j >= (int)building.PointLocation.Y && j < (int)building.PointLocation.Y + building.Height))
{
double calculatedDistanceSquared = findDistanceSquared(point.X, point.Y, i, j);
if (calculatedDistanceSquared <= distanceSquared)
{
if (map.GetCellAt(i, j) != null)
{
cell = map.GetCellAt(i, j);
distanceSquared = calculatedDistanceSquared;
}
}
}
}
}
return cell;
}
/// <summary>
/// Tell selected units to harvest (TODO)
/// </summary>
public void TellSelectedUnitsToHarvest(PointF destination)
{
List<ModelComponent> selectedEntities = getGameModel().GetSelectionState().SelectedEntities;
foreach (ModelComponent entity in selectedEntities)
{
if (entityBelongsToPlayer(entity))
{
if (!(entity is UnitComponent))
{
break;
}
else
{
UnitComponent u = entity as UnitComponent;
if (!u.CanHarvest)
{
continue;
}
else
{
System.Console.Out.WriteLine("NOT IMPLEMENT YET: harvest at " + destination.X + " : " + destination.Y);
}
}
}// if
}
}
private void stopListeningToCells(PointF oldPoint)
{
int startX = getStartX();
int endX = getEndX();
int startY = getStartX();
int endY = getEndY();
ModelComponent gameWorldComponent = location;
while (!(gameWorldComponent is Gameworld))
gameWorldComponent = gameWorldComponent.Parent;
Map map = ((Gameworld)(gameWorldComponent)).GetMap();
for (int i = startX; i < endX; i++)
{
for (int j = startY; j < endY; j++)
{
CellComponent cell = map.GetCellAt(i, j);
cell.UnitAddedEvent -= new EntityInCellChangedHandler(handleUnitAddedToCell);
}
}
}
/// <summary>
/// Determines if two entities will overlap each other. This is called before committing any change to the model to ensure that the moving/new entity
/// does not in any way overlap with any other entities on the map.
/// </summary>
/// <param name="e"></param>
/// <returns></returns>
public bool Overlaps(Entity e)
{
PointF offset = new PointF(e.PointLocation.X - pointLocation.X, e.PointLocation.Y - pointLocation.Y);
return shape.Overlaps(e.Shape, offset);
}
/// <summary>
/// Trigger function in the event of selected unit is told to harvest
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void tellSelectedUnitsToHarvestAt(object sender, XnaMouseEventArgs e)
{
if (e.Bubbled && !e.Handled && e.ButtonPressed == MouseButton.Right)
{
PointF gamePoint = new PointF((float)(e.ClickLocation.X + ScrollX) / (float)cellDimension, (float)(e.ClickLocation.Y + ScrollY) / (float)cellDimension);
((XnaUITestGame)Game).Controller.TellSelectedUnitsToHarvest(gamePoint);
e.Handled = true;
}
}
/// <summary>
/// Tell selected units to harvest (TODO)
/// </summary>
public void TellSelectedUnitsToHarvest(PointF destination)
{
List<ModelComponent> selectedEntities = getGameModel().GetSelectionState().SelectedEntities;
foreach (ModelComponent entity in selectedEntities)
{
if (entityBelongsToPlayer(entity))
{
if (!(entity is UnitComponent))
{
break;
}
else
{
UnitComponent u = entity as UnitComponent;
if (!u.CanHarvest)
{
continue;
}
else
{
// DO SOMETHING TO HARVEST!!!!!
System.Console.Out.WriteLine("NOT IMPLEMENT YET: harvest at " + destination.X + " : " + destination.Y);
//u.GetActionQueue().GetChildren().Clear();
//u.GetActionQueue().AddChild(new AttackAction
}
}
}// if
}
//throw new NotImplementedException();
}
private void updateUnitOrientation()
{
PointF directionVector = new PointF((target.PointLocation.X - unit.PointLocation.X), (target.PointLocation.Y - unit.PointLocation.Y));
//unit.Orientation = (int)Math.Atan2((double)directionVector.Y, (double)directionVector.X);
}
/// <summary>
/// Move the unit towards the center of targetCell.
/// </summary>
private void moveMiddle(UnitComponent unit)
{
float speed = (unit.Speed);
if (path[0].Y + CENTER > unit.PointLocation.Y)
{
if (path[0].X + CENTER> unit.PointLocation.X)
{
unit.UnitOrient = UnitComponent.Orient.SE;
}
else if (path[0].X + CENTER < unit.PointLocation.X)
{
unit.UnitOrient = UnitComponent.Orient.SW;
}
else
{
unit.UnitOrient = UnitComponent.Orient.S;
}
}
else if (path[0].Y + CENTER < unit.PointLocation.Y)
{
if (path[0].X + CENTER> unit.PointLocation.X)
{
unit.UnitOrient = UnitComponent.Orient.NE;
}
else if (path[0].X + CENTER< unit.PointLocation.X)
{
unit.UnitOrient = UnitComponent.Orient.NW;
}
else
{
unit.UnitOrient = UnitComponent.Orient.N;
}
}
else if (path[0].X + CENTER< unit.PointLocation.X)
{
unit.UnitOrient = UnitComponent.Orient.W;
}
else if (path[0].X + CENTER> unit.PointLocation.X)
{
unit.UnitOrient = UnitComponent.Orient.E;
}
// If we are within the range of the destination point, simply move there
if (Math.Sqrt(Math.Pow(path[0].Y + CENTER - unit.PointLocation.Y, 2) + Math.Pow(path[0].X + CENTER - unit.PointLocation.X, 2)) <= speed)
{
PointF directionVector = new PointF(path[0].X + CENTER - unit.PointLocation.X, path[0].Y + CENTER - unit.PointLocation.Y);
// We are within |unit.speed| of the targetCell's center, set unit's position to center.
unit.PointLocation = new PointF(path[0].X + CENTER, path[0].Y + CENTER);
}
else
{
PointF directionVector = new PointF(path[0].X + CENTER - unit.PointLocation.X, path[0].Y + CENTER - unit.PointLocation.Y);
float magnitude = (float)Math.Sqrt(Math.Pow((double)directionVector.X, 2.0) + Math.Pow((double)directionVector.Y, 2.0));
directionVector.X = directionVector.X / magnitude * unit.Speed;
directionVector.Y = directionVector.Y / magnitude * unit.Speed;
unit.PointLocation = new PointF(unit.PointLocation.X + directionVector.X, unit.PointLocation.Y + directionVector.Y);
}
}
