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)
{
const float SearchBoxSize = 1.5f; // size of search box in meters
MouseCoords = ScreenToCursorGrid(mouseScreen);
var gridId = MouseCoords.GetGridId(pManager.EntityManager);
IMapGrid?mapGrid = null;
if (!gridId.IsValid() || !pManager.MapManager.TryGetGrid(gridId, out mapGrid))
{
// create a box around the cursor
var gridSearchBox = Box2.UnitCentered.Scale(SearchBoxSize).Translated(MouseCoords.Position);
// find grids in search box
var gridsInArea = pManager.MapManager.FindGridsIntersecting(MouseCoords.GetMapId(pManager.EntityManager), gridSearchBox);
// find closest grid intersecting our search box.
IMapGrid?closest = null;
var distance = float.PositiveInfinity;
var intersect = new Box2();
foreach (var grid in gridsInArea)
{
// figure out closest intersect
var gridIntersect = gridSearchBox.Intersect(grid.WorldBounds);
var gridDist = (gridIntersect.Center - MouseCoords.Position).LengthSquared;
if (gridDist >= distance)
{
continue;
}
distance = gridDist;
closest = grid;
intersect = gridIntersect;
}
if (closest != null) // stick to existing grid
{
// round to nearest cardinal dir
var normal = new Angle(MouseCoords.Position - intersect.Center).GetCardinalDir().ToVec();
// round coords to center of tile
var tileIndices = closest.WorldToTile(intersect.Center);
var tileCenterWorld = closest.GridTileToWorldPos(tileIndices);
// move mouse one tile out along normal
var newTilePos = tileCenterWorld + normal * closest.TileSize;
MouseCoords = new EntityCoordinates(closest.GridEntityId, closest.WorldToLocal(newTilePos));
mapGrid = closest;
}
//else free place
}
if (mapGrid == null)
{
return;
}
CurrentTile = mapGrid.GetTileRef(MouseCoords);
float tileSize = mapGrid.TileSize; //convert from ushort to float
GridDistancing = tileSize;
if (pManager.CurrentPermission !.IsTile)
{
MouseCoords = new EntityCoordinates(MouseCoords.EntityId, (CurrentTile.X + tileSize / 2,
CurrentTile.Y + tileSize / 2));
}
