/// <summary>
/// Constructs a cell.
/// </summary>
/// <param name="map">The map that this cell belongs to.</param>
/// <param name="quadCoords">The coordinates of this cell inside it's parent quadratic tile.</param>
public Cell(MapStructure map, QuadTile quadTile, RCIntVector quadCoords)
{
if (map == null)
{
throw new ArgumentNullException("map");
}
if (quadTile == null)
{
throw new ArgumentNullException("quadTile");
}
if (quadCoords == RCIntVector.Undefined)
{
throw new ArgumentNullException("quadCoords");
}
if (quadCoords.X < 0 || quadCoords.X >= MapStructure.NAVCELL_PER_QUAD || quadCoords.Y < 0 || quadCoords.Y >= MapStructure.NAVCELL_PER_QUAD)
{
throw new ArgumentOutOfRangeException("mapCoords");
}
this.parentMap = map;
this.parentQuadTile = quadTile;
this.quadCoords = quadCoords;
this.walkabilityFlag = new Stack <bool>();
this.buildabilityFlag = new Stack <bool>();
this.groundLevel = new Stack <int>();
this.isLocked = false;
this.mapCoords = this.parentQuadTile.MapCoords * (new RCIntVector(MapStructure.NAVCELL_PER_QUAD, MapStructure.NAVCELL_PER_QUAD)) + this.quadCoords;
this.neighbours = new Cell[8];
this.detachedNeighbours = new List <Tuple <Cell, MapDirection> >();
this.parentIsoTile = null; /// will be set later
this.isoIndices = RCIntVector.Undefined; /// will be set later
}
/// <summary>
/// Sets the given quadratic tile as a cutting quadratic tile for this isometric tile.
/// </summary>
/// <param name="quadTile">The quadratic tile to set.</param>
public void SetCuttingQuadTile(QuadTile quadTile)
{
if (quadTile == null)
{
throw new ArgumentNullException("quadTile");
}
this.cuttingQuadTiles.Add(quadTile);
}
/// <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>
/// Sets the given quadratic tile as a neighbour of this quadratic tile in the given direction.
/// </summary>
/// <param name="neighbour">The quadratic tile to be set as a neighbour of this.</param>
/// <param name="direction">The direction of the new neighbour.</param>
public void SetNeighbour(QuadTile neighbour, MapDirection direction)
{
if (neighbour == null)
{
throw new ArgumentNullException("neighbour");
}
if (neighbour.parentMap != this.parentMap)
{
throw new InvalidOperationException("Neighbour quadratic tiles must have the same parent map!");
}
if (this.parentMap.Status != MapStructure.MapStatus.Initializing)
{
throw new InvalidOperationException(string.Format("Invalid operation! Map status: {0}", this.parentMap.Status));
}
if (this.neighbours[(int)direction] != null)
{
throw new InvalidOperationException(string.Format("Neighbour in direction {0} already set!", direction));
}
this.neighbours[(int)direction] = neighbour;
}
/// <summary>
/// Initializes the structure of this map.
/// </summary>
public void Initialize()
{
if (this.status != MapStatus.Initializing)
{
throw new InvalidOperationException(string.Format("Invalid operation! Map status: {0}", this.status));
}
/// Create the quadratic and isometric tiles.
RCIntVector navCellPerQuadVect = new RCIntVector(NAVCELL_PER_QUAD, NAVCELL_PER_QUAD);
for (int col = 0; col < MAX_MAPSIZE; col++)
{
for (int row = 0; row < MAX_MAPSIZE; row++)
{
/// Calculate the coordinates of the isometric tiles that contain the corner cells of the current quadratic tile.
/// Order of the cornerIsoCoords array: NorthWest, NorthEast, SouthEast, SouthWest.
RCIntVector quadTileCoords = new RCIntVector(col, row);
RCIntVector[] cornerIsoCoords = new RCIntVector[4]
{
MapStructure.NavCellIsoTransform.TransformAB(quadTileCoords * navCellPerQuadVect + new RCIntVector(0, 0)).Round(),
MapStructure.NavCellIsoTransform.TransformAB(quadTileCoords * navCellPerQuadVect + new RCIntVector(NAVCELL_PER_QUAD - 1, 0)).Round(),
MapStructure.NavCellIsoTransform.TransformAB(quadTileCoords * navCellPerQuadVect + new RCIntVector(NAVCELL_PER_QUAD - 1, NAVCELL_PER_QUAD - 1)).Round(),
MapStructure.NavCellIsoTransform.TransformAB(quadTileCoords * navCellPerQuadVect + new RCIntVector(0, NAVCELL_PER_QUAD - 1)).Round()
};
/// Create the isometric tiles.
int isoTileACount = 0, isoTileBCount = 0;
IsoTile isoTileA = null, isoTileB = null;
for (int cornerIdx = 0; cornerIdx < 4; cornerIdx++)
{
if (isoTileA == null)
{
isoTileA = this.isometricTiles.ContainsKey(cornerIsoCoords[cornerIdx])
? this.isometricTiles[cornerIsoCoords[cornerIdx]]
: new IsoTile(this, cornerIsoCoords[cornerIdx]);
this.isometricTiles[cornerIsoCoords[cornerIdx]] = isoTileA;
isoTileACount++;
}
else if (cornerIsoCoords[cornerIdx] == isoTileA.MapCoords)
{
isoTileACount++;
}
else if (isoTileB == null)
{
isoTileB = this.isometricTiles.ContainsKey(cornerIsoCoords[cornerIdx])
? this.isometricTiles[cornerIsoCoords[cornerIdx]]
: new IsoTile(this, cornerIsoCoords[cornerIdx]);
this.isometricTiles[cornerIsoCoords[cornerIdx]] = isoTileB;
isoTileBCount++;
}
else if (cornerIsoCoords[cornerIdx] == isoTileB.MapCoords)
{
isoTileBCount++;
}
else
{
throw new InvalidOperationException("Unexpected case!");
}
}
QuadTile quadTile = new QuadTile(this,
isoTileACount >= isoTileBCount ? isoTileA : isoTileB,
isoTileACount < isoTileBCount ? isoTileA : isoTileB,
quadTileCoords);
this.quadTiles[quadTileCoords.X, quadTileCoords.Y] = quadTile;
}
}
/// Buildup the structure of the map.
this.SetIsoNeighbours();
this.SetQuadNeighbours();
this.SetNavCellNeighbours();
this.SetNavCellIsoIndices();
this.status = MapStatus.Closed;
}