// This name is a nice reminder of our origins. Never forget.
public IEnumerable <EntityCoordinates> GridCoordinates()
{
var placementdiff = MouseCoords.ToMapPos(pManager.EntityManager) - pManager.StartPoint.ToMapPos(pManager.EntityManager);
var distanceX = new Vector2(placementdiff.X > 0 ? 1 : -1, 0) * GridDistancing;
var distanceY = new Vector2(0, placementdiff.Y > 0 ? 1 : -1) * GridDistancing;
var iterationsX = Math.Abs(placementdiff.X / GridDistancing);
var iterationsY = Math.Abs(placementdiff.Y / GridDistancing);
for (var x = 0; x <= iterationsX; x++)
{
for (var y = 0; y <= iterationsY; y++)
{
yield return(new EntityCoordinates(pManager.StartPoint.EntityId, pManager.StartPoint.Position + distanceX * x + distanceY * y));
}
}
}
public IEnumerable<GridCoordinates> LineCoordinates()
{
var (x, y) = MouseCoords.ToMapPos(pManager.MapManager) - pManager.StartPoint.ToMapPos(pManager.MapManager);
float iterations;
Vector2 distance;
if (Math.Abs(x) > Math.Abs(y))
{
iterations = Math.Abs(x / GridDistancing);
distance = new Vector2(x > 0 ? 1 : -1, 0) * GridDistancing;
}
else
{
iterations = Math.Abs(y / GridDistancing);
distance = new Vector2(0, y > 0 ? 1 : -1) * GridDistancing;
}
for (var i = 0; i <= iterations; i++)
{
yield return new GridCoordinates(pManager.StartPoint.Position + distance * i, pManager.StartPoint.GridID);
}
}
public override void AlignPlacementMode(ScreenCoordinates mouseScreen)
{
MouseCoords = ScreenToCursorGrid(mouseScreen);
CurrentTile = GetTileRef(MouseCoords);
if (pManager.CurrentPermission !.IsTile)
{
return;
}
if (!RangeCheck(MouseCoords))
{
return;
}
var mapId = MouseCoords.GetMapId(pManager.EntityManager);
var snapToEntities = EntitySystem.Get <EntityLookupSystem>().GetEntitiesInRange(MouseCoords, SnapToRange)
.Where(entity => pManager.EntityManager.GetComponent <MetaDataComponent>(entity).EntityPrototype == pManager.CurrentPrototype && pManager.EntityManager.GetComponent <TransformComponent>(entity).MapID == mapId)
.OrderBy(entity => (pManager.EntityManager.GetComponent <TransformComponent>(entity).WorldPosition - MouseCoords.ToMapPos(pManager.EntityManager)).LengthSquared)
.ToList();
if (snapToEntities.Count == 0)
{
return;
}
var closestEntity = snapToEntities[0];
var closestTransform = pManager.EntityManager.GetComponent <TransformComponent>(closestEntity);
if (!pManager.EntityManager.TryGetComponent <ISpriteComponent?>(closestEntity, out var component) || component.BaseRSI == null)
{
return;
}
var closestBounds = component.BaseRSI.Size;
var closestRect =
Box2.FromDimensions(
closestTransform.WorldPosition.X - closestBounds.X / 2f,
closestTransform.WorldPosition.Y - closestBounds.Y / 2f,
closestBounds.X, closestBounds.Y);
var sides = new[]
{
new Vector2(closestRect.Left + closestRect.Width / 2f, closestRect.Top - closestBounds.Y / 2f),
new Vector2(closestRect.Left + closestRect.Width / 2f, closestRect.Bottom + closestBounds.Y / 2f),
new Vector2(closestRect.Left - closestBounds.X / 2f, closestRect.Top + closestRect.Height / 2f),
new Vector2(closestRect.Right + closestBounds.X / 2f, closestRect.Top + closestRect.Height / 2f)
};
var closestSide =
(from Vector2 side in sides orderby(side - MouseCoords.Position).LengthSquared select side).First();
MouseCoords = new EntityCoordinates(MouseCoords.EntityId, MouseCoords.Position);
}
public override void AlignPlacementMode(ScreenCoordinates mouseScreen)
{
MouseCoords = ScreenToCursorGrid(mouseScreen);
var mapGrid = pManager.MapManager.GetGrid(MouseCoords.GridID);
CurrentTile = mapGrid.GetTileRef(MouseCoords);
if (pManager.CurrentPermission !.IsTile)
{
return;
}
if (!RangeCheck(MouseCoords))
{
return;
}
var manager = IoCManager.Resolve <IClientEntityManager>();
var snapToEntities = manager.GetEntitiesInRange(MouseCoords, SnapToRange)
.Where(entity => entity.Prototype == pManager.CurrentPrototype && entity.Transform.MapID == mapGrid.ParentMapId)
.OrderBy(entity => (entity.Transform.WorldPosition - MouseCoords.ToMapPos(pManager.MapManager)).LengthSquared)
.ToList();
if (snapToEntities.Count == 0)
{
return;
}
var closestEntity = snapToEntities[0];
if (!closestEntity.TryGetComponent <ISpriteComponent>(out var component) || component.BaseRSI == null)
{
return;
}
var closestBounds = component.BaseRSI.Size;
var closestRect =
Box2.FromDimensions(
closestEntity.Transform.WorldPosition.X - closestBounds.X / 2f,
closestEntity.Transform.WorldPosition.Y - closestBounds.Y / 2f,
closestBounds.X, closestBounds.Y);
var sides = new[]
{
new Vector2(closestRect.Left + closestRect.Width / 2f, closestRect.Top - closestBounds.Y / 2f),
new Vector2(closestRect.Left + closestRect.Width / 2f, closestRect.Bottom + closestBounds.Y / 2f),
new Vector2(closestRect.Left - closestBounds.X / 2f, closestRect.Top + closestRect.Height / 2f),
new Vector2(closestRect.Right + closestBounds.X / 2f, closestRect.Top + closestRect.Height / 2f)
};
var closestSide =
(from Vector2 side in sides orderby(side - MouseCoords.Position).LengthSquared select side).First();
MouseCoords = new GridCoordinates(closestSide, MouseCoords.GridID);
}