public Vector3 getVector(NeighbourPosition position)
{
switch (position)
{
case NeighbourPosition.Top:
return(new Vector3(x, y + 1, z));
case NeighbourPosition.Bottom:
return(new Vector3(x, y - 1, z));
case NeighbourPosition.Left:
return(new Vector3(x - 1, y, z));
case NeighbourPosition.Right:
return(new Vector3(x + 1, y, z));
case NeighbourPosition.Front:
return(new Vector3(x, y, z + 1));
case NeighbourPosition.Back:
return(new Vector3(x, y, z - 1));
default:
return(new Vector3(x, y, z));
}
}
HexInfo GetNeighbourByPosition(NeighbourPosition position, HexInfo ActualHex)
{
HexInfo retVal = null;
switch (position)
{
case NeighbourPosition.Left:
retVal = GetLeftNeighbour (ActualHex);
break;
case NeighbourPosition.UpLeft:
retVal = GetUpLeftNeighbour (ActualHex);
break;
case NeighbourPosition.UpRight:
retVal = GetUpRightNeighbour(ActualHex);
break;
case NeighbourPosition.Right:
retVal = GetRightNeighbour (ActualHex);
break;
case NeighbourPosition.DownRight:
retVal = GetDownRightNeighbour(ActualHex);
break;
case NeighbourPosition.DownLeft:
retVal = GetDownLeftNeighbour (ActualHex);
break;
default:
break;
}
return retVal;
}
/// <summary>
/// Gets a edge bounds, i.e. a side of a grid 1 cell size wide.
/// </summary>
/// <param name="grid">The grid.</param>
/// <param name="pos">The position.</param>
/// <returns>The bounds representing a side of the grid.</returns>
/// <exception cref="System.ArgumentException">Only direct neighbours, i.e. Left, Right, Top or Bottom are supported.</exception>
public static Bounds GetEdge(this IGrid grid, NeighbourPosition pos)
{
Bounds edgeBounds = new Bounds();
var min = grid.bounds.min;
var max = grid.bounds.max;
min.y = grid.origin.y;
max.y = Mathf.Min(0.1f, max.y);
//First we establish an origin based bounds on the appropriate side of the grid
switch (pos)
{
case NeighbourPosition.Bottom:
{
max.z = min.z + grid.cellSize;
edgeBounds.SetMinMax(min, max);
return(edgeBounds);
}
case NeighbourPosition.Top:
{
min.z = max.z - grid.cellSize;
edgeBounds.SetMinMax(min, max);
return(edgeBounds);
}
case NeighbourPosition.Left:
{
max.x = min.x + grid.cellSize;
edgeBounds.SetMinMax(min, max);
return(edgeBounds);
}
case NeighbourPosition.Right:
{
min.x = max.x - grid.cellSize;
edgeBounds.SetMinMax(min, max);
return(edgeBounds);
}
default:
{
throw new ArgumentException("Only direct neighbours, i.e. Left, Right, Top or Bottom are supported.");
}
}
}
/// <summary>
/// Initializes a new instance of the <see cref="Cell"/> class.
/// </summary>
/// <param name="parent">The cell matrix that owns this cell.</param>
/// <param name="position">The position.</param>
/// <param name="matrixPosX">The matrix position x.</param>
/// <param name="matrixPosZ">The matrix position z.</param>
/// <param name="blocked">if set to <c>true</c> the cell will appear permanently blocked.</param>
public Cell(CellMatrix parent, Vector3 position, int matrixPosX, int matrixPosZ, bool blocked)
{
Ensure.ArgumentNotNull(parent, "parent");
this.position = position;
this.matrixPosX = matrixPosX;
this.matrixPosZ = matrixPosZ;
_parent = parent;
_permanentlyBlocked = blocked;
_neighbours = NeighbourPosition.None;
if (matrixPosX < (parent.columns - 1))
{
_neighbours |= NeighbourPosition.Right;
if (matrixPosZ < (parent.rows - 1))
{
_neighbours |= (NeighbourPosition.Top | NeighbourPosition.TopRight);
}
if (matrixPosZ > 0)
{
_neighbours |= (NeighbourPosition.Bottom | NeighbourPosition.BottomRight);
}
}
if (matrixPosX > 0)
{
_neighbours |= NeighbourPosition.Left;
if (matrixPosZ < (parent.rows - 1))
{
_neighbours |= (NeighbourPosition.Top | NeighbourPosition.TopLeft);
}
if (matrixPosZ > 0)
{
_neighbours |= (NeighbourPosition.Bottom | NeighbourPosition.BottomLeft);
}
}
}
/// <summary>
/// Initializes a new instance of the <see cref="Cell"/> class.
/// </summary>
/// <param name="parent">The cell matrix that owns this cell.</param>
/// <param name="position">The position.</param>
/// <param name="matrixPosX">The matrix position x.</param>
/// <param name="matrixPosZ">The matrix position z.</param>
/// <param name="blocked">if set to <c>true</c> the cell will appear permanently blocked.</param>
public Cell(CellMatrix parent, Vector3 position, int matrixPosX, int matrixPosZ, bool blocked)
{
Ensure.ArgumentNotNull(parent, "parent");
this.position = position;
this.matrixPosX = matrixPosX;
this.matrixPosZ = matrixPosZ;
_parent = parent;
_permanentlyBlocked = blocked;
_neighbours = NeighbourPosition.None;
if (matrixPosX < (parent.columns - 1))
{
_neighbours |= NeighbourPosition.Right;
if (matrixPosZ < (parent.rows - 1))
{
_neighbours |= (NeighbourPosition.Top | NeighbourPosition.TopRight);
}
if (matrixPosZ > 0)
{
_neighbours |= (NeighbourPosition.Bottom | NeighbourPosition.BottomRight);
}
}
if (matrixPosX > 0)
{
_neighbours |= NeighbourPosition.Left;
if (matrixPosZ < (parent.rows - 1))
{
_neighbours |= (NeighbourPosition.Top | NeighbourPosition.TopLeft);
}
if (matrixPosZ > 0)
{
_neighbours |= (NeighbourPosition.Bottom | NeighbourPosition.BottomLeft);
}
}
}
public PositionEstimationView(NeighbourPosition positionEstimation)
{
this.positionEstimation = positionEstimation;
}
private void UpdateCellHeightData(StandardCell reference, StandardCell neighbour, NeighbourPosition neighbourPos, float maxHeightDiff, float ledgeThreshold, bool testForPermanentBlock)
{
var heightSampler = GetHeightSampler();
var dir = reference.GetDirectionTo(neighbour);
var offsets = GetPerpendicularOffsets(dir.x, dir.z);
var granularity = _matrix.granularity;
var steps = _matrix.cellSize / granularity;
var maxClimb = 0f;
var maxDrop = 0f;
for (int o = 0; o < 3; o++)
{
var samplePos = reference.position + offsets[o];
var fromHeight = heightSampler.SampleHeight(samplePos, _matrix);
var climbAccumulator = 0.0f;
var dropAccumulator = 0.0f;
for (int i = 0; i < steps; i++)
{
samplePos.x += (dir.x * granularity);
samplePos.z += (dir.z * granularity);
var toHeight = heightSampler.SampleHeight(samplePos, _matrix);
var heightDiff = toHeight - fromHeight;
var absDiff = Mathf.Abs(heightDiff);
bool ledgeEncountered = absDiff < ledgeThreshold;
if (absDiff <= maxHeightDiff || ledgeEncountered)
{
if (climbAccumulator > maxClimb)
{
maxClimb = climbAccumulator;
}
else if (dropAccumulator > maxDrop)
{
maxDrop = dropAccumulator;
}
climbAccumulator = 0f;
dropAccumulator = 0f;
}
else if (heightDiff > 0f)
{
climbAccumulator += heightDiff;
if (dropAccumulator > maxDrop)
{
maxDrop = dropAccumulator;
}
dropAccumulator = 0f;
}
else if (heightDiff < 0f)
{
dropAccumulator += absDiff;
if (climbAccumulator > maxClimb)
{
maxClimb = climbAccumulator;
}
climbAccumulator = 0f;
}
fromHeight = toHeight;
} /* end steps */
maxClimb = Mathf.Max(climbAccumulator, maxClimb);
maxDrop = Mathf.Max(dropAccumulator, maxDrop);
}
var refPos = reference.GetRelativePositionTo(neighbour);
if (maxClimb > _maxClimbHeight || maxDrop > _maxDropHeight)
{
neighbour.heightBlockedFrom |= refPos;
}
if (maxClimb > _maxDropHeight || maxDrop > _maxClimbHeight)
{
reference.heightBlockedFrom |= neighbourPos;
}
reference.heightIntializedFrom |= neighbourPos;
neighbour.heightIntializedFrom |= refPos;
} /* end method */
/// <summary>
/// Gets a edge bounds, i.e. a side of a grid 1 cell size wide.
/// </summary>
/// <param name="grid">The grid.</param>
/// <param name="pos">The position.</param>
/// <returns>The bounds representing a side of the grid.</returns>
/// <exception cref="System.ArgumentException">Only direct neighbours, i.e. Left, Right, Top or Bottom are supported.</exception>
public static Bounds GetEdge(this IGrid grid, NeighbourPosition pos)
{
Bounds edgeBounds = new Bounds();
var min = grid.bounds.min;
var max = grid.bounds.max;
min.y = grid.origin.y;
max.y = Mathf.Min(0.1f, max.y);
//First we establish an origin based bounds on the appropriate side of the grid
switch (pos)
{
case NeighbourPosition.Bottom:
{
max.z = min.z + grid.cellSize;
edgeBounds.SetMinMax(min, max);
return edgeBounds;
}
case NeighbourPosition.Top:
{
min.z = max.z - grid.cellSize;
edgeBounds.SetMinMax(min, max);
return edgeBounds;
}
case NeighbourPosition.Left:
{
max.x = min.x + grid.cellSize;
edgeBounds.SetMinMax(min, max);
return edgeBounds;
}
case NeighbourPosition.Right:
{
min.x = max.x - grid.cellSize;
edgeBounds.SetMinMax(min, max);
return edgeBounds;
}
default:
{
throw new ArgumentException("Only direct neighbours, i.e. Left, Right, Top or Bottom are supported.");
}
}
}
/// <summary>
/// Connects the specified grid to its neighbour grid(s) using Connector Portals. Will only connect to initialized and enabled grids.
/// </summary>
/// <param name="grid">The grid.</param>
/// <param name="pos">The position to connect with neighbours. Valid options are Top, Bottom, Left and Right</param>
/// <returns>A list of portal components that represent the connections. If none are found the list will be empty.</returns>
/// <exception cref="System.ArgumentException">
/// Can only connect a grid component that has been initialized.
/// or
/// Only direct neighbours, i.e. Left, Right, Top or Bottom are supported.
/// </exception>
public static IList<GridPortalComponent> Connect(this GridComponent grid, NeighbourPosition pos)
{
if (grid.grid == null)
{
throw new ArgumentException("Can only connect a grid component that has been initialized.");
}
NeighbourPosition neighboursPos;
Vector3 translation;
Bounds explorerBounds;
//First we establish an origin based bounds on the appropriate side of the grid to check for neighbour grids
switch (pos)
{
case NeighbourPosition.Bottom:
{
neighboursPos = NeighbourPosition.Top;
translation = new Vector3(0f, 0f, grid.cellSize);
explorerBounds = GetEdge(grid.grid, NeighbourPosition.Bottom).Translate(-translation);
break;
}
case NeighbourPosition.Top:
{
neighboursPos = NeighbourPosition.Bottom;
translation = new Vector3(0f, 0f, -grid.cellSize);
explorerBounds = GetEdge(grid.grid, NeighbourPosition.Top).Translate(-translation);
break;
}
case NeighbourPosition.Left:
{
neighboursPos = NeighbourPosition.Right;
translation = new Vector3(grid.cellSize, 0f, 0f);
explorerBounds = GetEdge(grid.grid, NeighbourPosition.Left).Translate(-translation);
break;
}
case NeighbourPosition.Right:
{
neighboursPos = NeighbourPosition.Left;
translation = new Vector3(-grid.cellSize, 0f, 0f);
explorerBounds = GetEdge(grid.grid, NeighbourPosition.Right).Translate(-translation);
break;
}
default:
{
throw new ArgumentException("Only direct neighbours, i.e. Left, Right, Top or Bottom are supported.");
}
}
//Resize so the bounds are contained in the grid
explorerBounds = explorerBounds.DeltaSize(-0.05f, 0f, -0.05f);
var existingConnectors = GridManager.instance.GetAssociatedPortals(grid).Where(p => p.type == PortalType.Connector).ToArray();
var portals = new List<GridPortalComponent>();
var neighbours = GridManager.instance.GetGrids(explorerBounds);
foreach (var n in neighbours)
{
//Make sure a connection is not already in place
bool connect = true;
for (int i = 0; i < existingConnectors.Length; i++)
{
if (existingConnectors[i].Connects(grid.grid, n))
{
connect = false;
break;
}
}
if (connect)
{
//Get the edge on the neighbour grid and find the intersection between it and this grid
var p1 = GetEdge(n, neighboursPos).DeltaSize(-0.05f, 0f, -0.05f);
p1 = p1.Intersection(explorerBounds);
var p2 = p1.Translate(translation);
//TODO: revise this once the PortalActionNoneComponent is gone or made a default for connectors
var portal = GridPortalComponent.Create<PortalActionNoneComponent>(grid.gameObject, PortalType.Connector, p1, p2);
portals.Add(portal);
}
}
return portals;
}
bool IGridCell.isWalkableFrom(NeighbourPosition pos, AttributeMask mask)
{
return _parentPortal.IsUsableBy(mask);
}
/// <summary>
/// Connects the specified grid to its neighbour grid(s) using Connector Portals. Will only connect to initialized and enabled grids.
/// </summary>
/// <param name="grid">The grid.</param>
/// <param name="pos">The position to connect with neighbours. Valid options are Top, Bottom, Left and Right</param>
/// <returns>A list of portal components that represent the connections. If none are found the list will be empty.</returns>
/// <exception cref="System.ArgumentException">
/// Can only connect a grid component that has been initialized.
/// or
/// Only direct neighbours, i.e. Left, Right, Top or Bottom are supported.
/// </exception>
public static IList <GridPortalComponent> Connect(this GridComponent grid, NeighbourPosition pos)
{
if (grid.grid == null)
{
throw new ArgumentException("Can only connect a grid component that has been initialized.");
}
NeighbourPosition neighboursPos;
Vector3 translation;
Bounds explorerBounds;
//First we establish an origin based bounds on the appropriate side of the grid to check for neighbour grids
switch (pos)
{
case NeighbourPosition.Bottom:
{
neighboursPos = NeighbourPosition.Top;
translation = new Vector3(0f, 0f, grid.cellSize);
explorerBounds = GetEdge(grid.grid, NeighbourPosition.Bottom).Translate(-translation);
break;
}
case NeighbourPosition.Top:
{
neighboursPos = NeighbourPosition.Bottom;
translation = new Vector3(0f, 0f, -grid.cellSize);
explorerBounds = GetEdge(grid.grid, NeighbourPosition.Top).Translate(-translation);
break;
}
case NeighbourPosition.Left:
{
neighboursPos = NeighbourPosition.Right;
translation = new Vector3(grid.cellSize, 0f, 0f);
explorerBounds = GetEdge(grid.grid, NeighbourPosition.Left).Translate(-translation);
break;
}
case NeighbourPosition.Right:
{
neighboursPos = NeighbourPosition.Left;
translation = new Vector3(-grid.cellSize, 0f, 0f);
explorerBounds = GetEdge(grid.grid, NeighbourPosition.Right).Translate(-translation);
break;
}
default:
{
throw new ArgumentException("Only direct neighbours, i.e. Left, Right, Top or Bottom are supported.");
}
}
//Resize so the bounds are contained in the grid
explorerBounds = explorerBounds.DeltaSize(-0.05f, 0f, -0.05f);
var existingConnectors = GridManager.instance.GetAssociatedPortals(grid).Where(p => p.type == PortalType.Connector).ToArray();
var portals = new List <GridPortalComponent>();
var neighbours = GridManager.instance.GetGrids(explorerBounds);
foreach (var n in neighbours)
{
//Make sure a connection is not already in place
bool connect = true;
for (int i = 0; i < existingConnectors.Length; i++)
{
if (existingConnectors[i].Connects(grid.grid, n))
{
connect = false;
break;
}
}
if (connect)
{
//Get the edge on the neighbour grid and find the intersection between it and this grid
var p1 = GetEdge(n, neighboursPos).DeltaSize(-0.05f, 0f, -0.05f);
p1 = p1.Intersection(explorerBounds);
var p2 = p1.Translate(translation);
//TODO: revise this once the PortalActionNoneComponent is gone or made a default for connectors
var portal = GridPortalComponent.Create <PortalActionNoneComponent>(grid.gameObject, PortalType.Connector, p1, p2);
portals.Add(portal);
}
}
return(portals);
}
public CellCoordinates GetNeighbourCoordinates(Cell cell, Generation generation, NeighbourPosition position)
{
var maxRow = generation.Rows - 1;
var maxColumn = generation.Columns - 1;
var row = 0;
var column = 0;
switch (position)
{
case NeighbourPosition.TopLeft:
column = HandleOutOfBounds(cell.Coordinates.Column - 1, maxColumn);
row = HandleOutOfBounds(cell.Coordinates.Row - 1, maxRow);
break;
case NeighbourPosition.Top:
column = cell.Coordinates.Column;
row = HandleOutOfBounds(cell.Coordinates.Row - 1, maxRow);
break;
case NeighbourPosition.TopRight:
column = HandleOutOfBounds(cell.Coordinates.Column + 1, maxColumn);
row = HandleOutOfBounds(cell.Coordinates.Row - 1, maxRow);
break;
case NeighbourPosition.Right:
column = HandleOutOfBounds(cell.Coordinates.Column + 1, maxColumn);
row = cell.Coordinates.Row;
break;
case NeighbourPosition.BottomRight:
column = HandleOutOfBounds(cell.Coordinates.Column + 1, maxColumn);
row = HandleOutOfBounds(cell.Coordinates.Row + 1, maxRow);
break;
case NeighbourPosition.Bottom:
column = cell.Coordinates.Column;
row = HandleOutOfBounds(cell.Coordinates.Row + 1, maxRow);
break;
case NeighbourPosition.BottomLeft:
column = HandleOutOfBounds(cell.Coordinates.Column - 1, maxColumn);
row = HandleOutOfBounds(cell.Coordinates.Row + 1, maxRow);
break;
case NeighbourPosition.Left:
row = cell.Coordinates.Row;
column = HandleOutOfBounds(cell.Coordinates.Column - 1, maxColumn);
break;
}
return(new CellCoordinates(row, column));
}
private void UpdateCellHeightData(StandardCell reference, StandardCell neighbour, NeighbourPosition neighbourPos, float maxHeightDiff, float ledgeThreshold, bool testForPermanentBlock)
{
var heightSampler = GetHeightSampler();
var dir = reference.GetDirectionTo(neighbour);
var offsets = GetPerpendicularOffsets(dir.x, dir.z);
var granularity = _matrix.granularity;
var steps = _matrix.cellSize / granularity;
var maxClimb = 0f;
var maxDrop = 0f;
for (int o = 0; o < 3; o++)
{
var samplePos = reference.position + offsets[o];
var fromHeight = heightSampler.SampleHeight(samplePos, _matrix);
var climbAccumulator = 0.0f;
var dropAccumulator = 0.0f;
for (int i = 0; i < steps; i++)
{
samplePos.x += (dir.x * granularity);
samplePos.z += (dir.z * granularity);
var toHeight = heightSampler.SampleHeight(samplePos, _matrix);
var heightDiff = toHeight - fromHeight;
var absDiff = Mathf.Abs(heightDiff);
bool ledgeEncountered = absDiff < ledgeThreshold;
if (absDiff <= maxHeightDiff || ledgeEncountered)
{
if (climbAccumulator > maxClimb)
{
maxClimb = climbAccumulator;
}
else if (dropAccumulator > maxDrop)
{
maxDrop = dropAccumulator;
}
climbAccumulator = 0f;
dropAccumulator = 0f;
}
else if (heightDiff > 0f)
{
climbAccumulator += heightDiff;
if (dropAccumulator > maxDrop)
{
maxDrop = dropAccumulator;
}
dropAccumulator = 0f;
}
else if (heightDiff < 0f)
{
dropAccumulator += absDiff;
if (climbAccumulator > maxClimb)
{
maxClimb = climbAccumulator;
}
climbAccumulator = 0f;
}
fromHeight = toHeight;
} /* end steps */
maxClimb = Mathf.Max(climbAccumulator, maxClimb);
maxDrop = Mathf.Max(dropAccumulator, maxDrop);
}
var refPos = reference.GetRelativePositionTo(neighbour);
if (maxClimb > _maxClimbHeight || maxDrop > _maxDropHeight)
{
neighbour.heightBlockedFrom |= refPos;
}
if (maxClimb > _maxDropHeight || maxDrop > _maxClimbHeight)
{
reference.heightBlockedFrom |= neighbourPos;
}
reference.heightIntializedFrom |= neighbourPos;
neighbour.heightIntializedFrom |= refPos;
} /* end method */
