public static WWObject Instantiate(WWObjectData objectData)
{
Vector3 spawnPos = CoordinateHelper.WWCoordToUnityCoord(objectData.wwTransform.coordinate);
// Load resource and check to see if it is valid.
WWResource resource = WWResourceController.GetResource(objectData.resourceTag);
GameObject gameObject;
WWResourceMetadata resourceMetadata = resource.GetMetaData();
if (resource.GetPrefab() == null)
{
gameObject = GameObject.CreatePrimitive(PrimitiveType.Cube);
resourceMetadata = gameObject.AddComponent <WWResourceMetadata>();
gameObject.transform.Translate(spawnPos);
}
else
{
if (resource.GetMetaData() == null)
{
Debug.Log("There is no metadata for this resource, so it cannot be instantiated.");
return(null);
}
// Create a GameObject at the correct location and rotation.
gameObject = Object.Instantiate(resource.GetPrefab(), spawnPos,
Quaternion.Euler(0, objectData.wwTransform.rotation, 0));
}
// Use ResourceMetaData to construct the object.
WWObject wwObject = ConstructWWObject(gameObject, resourceMetadata);
// Give the new WWObject the data used to create it.
wwObject.Init(objectData, resourceMetadata);
wwObject.SetTransform(objectData.wwTransform);
return(wwObject);
}
/// <summary>
/// Loads from the resourceTag a WWObject, then attempts to find a valid rotation for the WWObject,
/// such that it fits with existing Objects at the specified Coordinate Index, and finally places and
/// adds the WWObject wall to the active Scene Graph.
/// </summary>
/// <param name="coordIndex">The coordinate index for this perimeter wall</param>
/// <param name="perimeterWallOpening">The direction for the perimeter wall</param>
/// <param name="resourceTag">The resource tag for of the WWObject to place as the perimeter wall.</param>
private static void TryToPlaceWall(IntVector3 coordIndex, WWWalls perimeterWallOpening, string resourceTag)
{
// the collisions that need to be taken into account to see if the WWObject belonging to resourceTag can fit
WWWalls wallsToFit = ~perimeterWallOpening |
ManagerRegistry.Instance.GetAnInstance <SceneGraphManager>().
GetWallsAtCoordinate(new Coordinate(coordIndex));
WWResource resource = WWResourceController.GetResource(resourceTag);
WWResourceMetadata resourceMetadata = resource.GetMetaData();
// Try possible rotations for the resource, and place the resource at the first rotation that fits.
for (var r = 0; r < 360; r += 90) // only rotations of 90 degrees are valid
{
WWWalls wallToPlace = WWWallsHelper.GetRotatedWWWalls(resourceMetadata, r);
bool doesCollide = Convert.ToBoolean(wallToPlace & wallsToFit); // should be 0 or False if no collision
if (!doesCollide)
{
PlaceWallObject(coordIndex, r, resourceTag); // add the wall to the active Scene Graph
return; // a valid rotation was found for the WWObject, no need to try further rotations
}
}
}
/// <summary>
/// Given a resourceTag, loads the WWObject belonging to the resource and returns a list of all possible
/// valid rotations for the WWObject that do not collide with existing WWObjects at the given position
/// in the active Scene Graph. Useful for assisting the player with auto rotation of tiles.
/// </summary>
/// <param name="position">The Unity Space position to convert to Coordinate Index to determine valid rotations in.</param>
/// <param name="resourceTag">The resourceTag belonging to the desired WWObject.</param>
/// <returns></returns>
public static List <int> GetPossibleRotations(Vector3 position, string resourceTag)
{
var result = new List <int>(); // the resulting list of possible rotations, currently empty
Coordinate coordinate = CoordinateHelper.UnityCoordToWWCoord(position);
WWWalls wallsToFit = ManagerRegistry.Instance.GetAnInstance <SceneGraphManager>().GetWallsAtCoordinate(coordinate);
// check to see if any of the 4 possible rotations would fit given resource's walls
WWResource resource = WWResourceController.GetResource(resourceTag);
WWResourceMetadata resourceMetadata = resource.GetMetaData();
for (var r = 0; r < 360; r += 90) // only rotations of 90 degrees are valid
{
WWWalls newWalls = WWWallsHelper.GetRotatedWWWalls(resourceMetadata, r);
bool doesCollide = Convert.ToBoolean(newWalls & wallsToFit); // should be 0 or False if no collision
if (!doesCollide)
{
result.Add(r);
}
}
return(result);
}