/// <see cref="ITerrainObjectType.CheckTerrainObjectIntersections"/>
public RCSet <RCIntVector> CheckTerrainObjectIntersections(IMapAccess map, RCIntVector position)
{
if (map == null)
{
throw new ArgumentNullException("map");
}
if (position == RCIntVector.Undefined)
{
throw new ArgumentNullException("position");
}
RCSet <RCIntVector> retList = new RCSet <RCIntVector>();
for (int quadX = 0; quadX < this.quadraticSize.X; quadX++)
{
for (int quadY = 0; quadY < this.quadraticSize.Y; quadY++)
{
RCIntVector relQuadCoords = new RCIntVector(quadX, quadY);
RCIntVector absQuadCoords = position + relQuadCoords;
if (absQuadCoords.X >= 0 && absQuadCoords.X < map.Size.X &&
absQuadCoords.Y >= 0 && absQuadCoords.Y < map.Size.Y)
{
/// Check intersection with other terrain object at the current quadratic tile.
ITerrainObject objToCheck = map.GetQuadTile(absQuadCoords).TerrainObject;
if (objToCheck != null && !this.IsExcluded(relQuadCoords) && objToCheck.GetQuadTile(absQuadCoords - objToCheck.MapCoords) != null)
{
retList.Add(relQuadCoords);
}
}
}
}
return(retList);
}
/// <summary>
/// Detaches the given terrain object from the map structure.
/// </summary>
/// <param name="terrainObj">The terrain object to be detached.</param>
/// <exception cref="InvalidOperationException">If the given terrain object was not attached to this map.</exception>
public void DetachTerrainObject(ITerrainObject terrainObj)
{
if (!this.terrainObjects.Remove(terrainObj))
{
throw new InvalidOperationException("The given terrain object was not attached to this map!");
}
for (int x = 0; x < terrainObj.Type.QuadraticSize.X; x++)
{
for (int y = 0; y < terrainObj.Type.QuadraticSize.Y; y++)
{
IQuadTile quadTile = terrainObj.GetQuadTile(new RCIntVector(x, y));
if (quadTile != null)
{
QuadTile quadTileObj = this.mapStructure.GetQuadTile(quadTile.MapCoords);
quadTileObj.DetachTerrainObject();
}
}
}
}
/// <summary>
/// Adds the given terrain object and all of its cutting quadratic tiles into the update lists.
/// </summary>
/// <param name="terrainObj">The terrain object to add.</param>
/// <param name="terrainObjUpdateList">The terrain object update list.</param>
/// <param name="quadTileUpdateList">The quadratic update list.</param>
private void AddTerrainObjectToUpdate(ITerrainObject terrainObj, RCSet <ITerrainObject> terrainObjUpdateList, RCSet <IQuadTile> quadTileUpdateList)
{
if (terrainObj != null && terrainObjUpdateList.Add(terrainObj))
{
for (int col = 0; col < terrainObj.Type.QuadraticSize.X; col++)
{
for (int row = 0; row < terrainObj.Type.QuadraticSize.Y; row++)
{
IQuadTile quadTileToUpdate = terrainObj.GetQuadTile(new RCIntVector(col, row));
if (quadTileToUpdate != null &&
(this.fowCacheMatrix.GetFullFowFlagsAtQuadTile(quadTileToUpdate.MapCoords) != FOWTileFlagsEnum.None ||
this.fowCacheMatrix.GetPartialFowFlagsAtQuadTile(quadTileToUpdate.MapCoords) != FOWTileFlagsEnum.None))
{
quadTileUpdateList.Add(quadTileToUpdate);
}
}
}
}
}