/// <summary>
/// Initializes a new instance of the <see cref="FullGridVectorField"/> class.
/// </summary>
/// <param name="group">The transient unit group.</param>
/// <param name="path">The path.</param>
/// <param name="options">The vector field options.</param>
public FullGridVectorField(TransientGroup <IUnitFacade> group, Path path, VectorFieldOptions options)
{
Ensure.ArgumentNotNull(group, "group");
this.group = group;
_currentPath = path;
var modelUnit = group.modelUnit;
_unitProperties = modelUnit;
var pathOptions = modelUnit.pathFinderOptions;
// cache options locally
_obstacleStrengthFactor = options.obstacleStrengthFactor;
_allowCornerCutting = pathOptions.allowCornerCutting;
_allowDiagonals = !pathOptions.preventDiagonalMoves;
_announceAllNodes = modelUnit.pathNavigationOptions.announceAllNodes;
_builtInContainment = options.builtInContainment;
_updateInterval = options.updateInterval;
// pre-allocate lists
_openSet = new SimpleQueue <Cell>(31);
_tempWalkableNeighbours = new DynamicArray <Cell>(8);
_extraTempWalkableNeighbours = new DynamicArray <Cell>(8);
_grid = GridManager.instance.GetGrid(group.modelUnit.position);
if (_grid != null)
{
_fastMarchedCells = new PlaneVector[_grid.sizeX, _grid.sizeZ];
_cellDirs = new VectorFieldCell[_grid.sizeX, _grid.sizeZ];
}
}
/// <summary>
/// Initializes a new instance of the <see cref="CrossGridVectorField"/> class.
/// </summary>
/// <param name="group">The group.</param>
/// <param name="path">The path.</param>
/// <param name="options">The options.</param>
public CrossGridVectorField(TransientGroup <IUnitFacade> group, Path path, VectorFieldOptions options)
{
Ensure.ArgumentNotNull(group, "group");
this.group = group;
_currentPath = path;
var modelUnit = group.modelUnit;
_unitProperties = modelUnit;
var pathOptions = modelUnit.pathFinderOptions;
// cache options locally
_allowCornerCutting = pathOptions.allowCornerCutting;
_allowDiagonals = !pathOptions.preventDiagonalMoves;
_announceAllNodes = modelUnit.pathNavigationOptions.announceAllNodes;
_obstacleStrengthFactor = options.obstacleStrengthFactor;
_builtInContainment = options.builtInContainment;
_updateInterval = options.updateInterval;
_paddingIncrease = options.paddingIncrease;
_maxExtraPadding = options.maxExtraPadding;
_boundsPadding = options.boundsPadding;
_boundsRecalculateThreshold = options.boundsRecalculateThreshold;
_expectedGroupGrowthFactor = 1f + options.expectedGroupGrowthFactor;
// pre-allocate lists
_openSet = new SimpleQueue <Cell>(31);
_tempWalkableNeighbours = new DynamicArray <Cell>(8);
_extraTempWalkableNeighbours = new DynamicArray <Cell>(8);
_groupBounds = new RectangleXZ(group.centerOfGravity, _boundsPadding, _boundsPadding);
_grids = new List <IGrid>(4);
}
/// <summary>
/// Initializes a new instance of the <see cref="FullGridVectorField"/> class.
/// </summary>
/// <param name="group">The transient unit group.</param>
/// <param name="path">The path.</param>
/// <param name="options">The vector field options.</param>
public FullGridVectorField(TransientGroup<IUnitFacade> group, Path path, VectorFieldOptions options)
{
Ensure.ArgumentNotNull(group, "group");
this.group = group;
_currentPath = path;
var modelUnit = group.modelUnit;
_unitProperties = modelUnit;
var pathOptions = modelUnit.pathFinderOptions;
// cache options locally
_obstacleStrengthFactor = options.obstacleStrengthFactor;
_allowCornerCutting = pathOptions.allowCornerCutting;
_allowDiagonals = !pathOptions.preventDiagonalMoves;
_announceAllNodes = modelUnit.pathNavigationOptions.announceAllNodes;
_builtInContainment = options.builtInContainment;
_updateInterval = options.updateInterval;
// pre-allocate lists
_openSet = new SimpleQueue<Cell>(31);
_tempWalkableNeighbours = new DynamicArray<Cell>(8);
_extraTempWalkableNeighbours = new DynamicArray<Cell>(8);
_grid = GridManager.instance.GetGrid(group.modelUnit.position);
if (_grid != null)
{
_fastMarchedCells = new PlaneVector[_grid.sizeX, _grid.sizeZ];
_cellDirs = new VectorFieldCell[_grid.sizeX, _grid.sizeZ];
}
}
/// <summary>
/// Initializes a new instance of the <see cref="ProgressiveVectorField"/> class.
/// </summary>
/// <param name="group">The group.</param>
/// <param name="path">The path.</param>
/// <param name="options">The options.</param>
public ProgressiveVectorField(TransientGroup<IUnitFacade> group, Path path, VectorFieldOptions options)
{
Ensure.ArgumentNotNull(group, "group");
this.group = group;
_currentPath = path;
var modelUnit = group.modelUnit;
_unitProperties = modelUnit;
var pathOptions = modelUnit.pathFinderOptions;
// cache options locally
_allowCornerCutting = pathOptions.allowCornerCutting;
_allowDiagonals = !pathOptions.preventDiagonalMoves;
_announceAllNodes = modelUnit.pathNavigationOptions.announceAllNodes;
_obstacleStrengthFactor = options.obstacleStrengthFactor;
_builtInContainment = options.builtInContainment;
_updateInterval = options.updateInterval;
_paddingIncrease = options.paddingIncrease;
_maxExtraPadding = options.maxExtraPadding;
_boundsPadding = options.boundsPadding;
_boundsRecalculateThreshold = options.boundsRecalculateThreshold;
_expectedGroupGrowthFactor = 1f + options.expectedGroupGrowthFactor;
// pre-allocate lists memory
_openSet = new SimpleQueue<Cell>(31);
_tempWalkableNeighbours = new DynamicArray<Cell>(8);
_extraTempWalkableNeighbours = new DynamicArray<Cell>(8);
_groupBounds = new RectangleXZ(group.centerOfGravity, _boundsPadding, _boundsPadding);
}
private void Start()
{
//Create the AI group. In this case we just explicitly create one group
//but the group strategy could also be used to create a grouping
_aiGroup = new DefaultTransientUnitGroup(4);
var aiStartPos = new Vector3(-20f, 0f, 0f);
for (int i = 0; i < 4; i++)
{
var unitGO = Instantiate(this.unitMold, aiStartPos, Quaternion.identity) as GameObject;
unitGO.SetActive(true);
_aiGroup.Add(unitGO.GetUnitFacade());
}
}
/// <summary>
/// Creates a vector field using the VectorFieldOptions exposed on this component.
/// </summary>
/// <param name="group">The transient unit group.</param>
/// <param name="path">The path.</param>
/// <returns>A new vector field, or null on error</returns>
public IVectorField CreateVectorField(TransientGroup <IUnitFacade> group, Path path)
{
IVectorField newField = null;
switch (vectorFieldOptions.vectorFieldType)
{
case VectorFieldType.FullGridField:
{
newField = new FullGridVectorField(group, path, vectorFieldOptions);
break;
}
case VectorFieldType.ProgressiveField:
{
newField = new ProgressiveVectorField(group, path, vectorFieldOptions);
break;
}
case VectorFieldType.CrossGridField:
{
newField = new CrossGridVectorField(group, path, vectorFieldOptions);
break;
}
default:
case VectorFieldType.FunnelField:
{
newField = new FunnelVectorField(group, path, vectorFieldOptions);
break;
}
}
if (newField == null)
{
return(null);
}
newField.Initialize();
return(newField);
}
/// <summary>
/// Creates a vector field using the VectorFieldOptions exposed on this component.
/// </summary>
/// <param name="group">The transient unit group.</param>
/// <param name="path">The path.</param>
/// <returns>A new vector field, or null on error</returns>
public IVectorField CreateVectorField(TransientGroup<IUnitFacade> group, Path path)
{
IVectorField newField = null;
switch (vectorFieldOptions.vectorFieldType)
{
case VectorFieldType.FullGridField:
{
newField = new FullGridVectorField(group, path, vectorFieldOptions);
break;
}
case VectorFieldType.ProgressiveField:
{
newField = new ProgressiveVectorField(group, path, vectorFieldOptions);
break;
}
case VectorFieldType.CrossGridField:
{
newField = new CrossGridVectorField(group, path, vectorFieldOptions);
break;
}
default:
case VectorFieldType.FunnelField:
{
newField = new FunnelVectorField(group, path, vectorFieldOptions);
break;
}
}
if (newField == null)
{
return null;
}
newField.Initialize();
return newField;
}
/// <summary>
/// Initializes a new instance of the <see cref="FunnelVectorField"/> class.
/// </summary>
/// <param name="group">The group.</param>
/// <param name="path">The path.</param>
/// <param name="options">The options.</param>
public FunnelVectorField(TransientGroup <IUnitFacade> group, Path path, VectorFieldOptions options)
{
Ensure.ArgumentNotNull(group, "group");
this.group = group;
_currentPath = path;
var modelUnit = group.modelUnit;
_unitProperties = modelUnit;
var pathOptions = modelUnit.pathFinderOptions;
// cache options locally
_funnelWidth = options.funnelWidth;
_obstacleStrengthFactor = options.obstacleStrengthFactor;
_allowCornerCutting = pathOptions.allowCornerCutting;
_allowDiagonals = !pathOptions.preventDiagonalMoves;
_announceAllNodes = modelUnit.pathNavigationOptions.announceAllNodes;
_builtInContainment = options.builtInContainment;
_updateInterval = options.updateInterval;
// pre-allocate lists memory
_openSet = new SimpleQueue <Cell>(31);
_tempWalkableNeighbours = new DynamicArray <Cell>(8);
_extraTempWalkableNeighbours = new DynamicArray <Cell>(8);
_grid = GridManager.instance.GetGrid(group.modelUnit.position);
if (_grid != null)
{
// we allocate half of the grid's size in order to have a bit more allocated memory than we expect to actually use
int size = Mathf.CeilToInt((_grid.sizeX * _grid.sizeZ) / 2f);
float minF = 9.99999944E-11f;
_cellDirsSet = new Dictionary <Vector3, VectorFieldCell>(size, new Vector3EqualityComparer(minF));
_fastMarchedCellsSet = new Dictionary <Vector3, PlaneVector>(size, new Vector3EqualityComparer(minF));
}
_funnelWidthSqr = _funnelWidth * _funnelWidth;
}
/// <summary>
/// Initializes a new instance of the <see cref="FunnelVectorField"/> class.
/// </summary>
/// <param name="group">The group.</param>
/// <param name="path">The path.</param>
/// <param name="options">The options.</param>
public FunnelVectorField(TransientGroup<IUnitFacade> group, Path path, VectorFieldOptions options)
{
Ensure.ArgumentNotNull(group, "group");
this.group = group;
_currentPath = path;
var modelUnit = group.modelUnit;
_unitProperties = modelUnit;
var pathOptions = modelUnit.pathFinderOptions;
// cache options locally
_funnelWidth = options.funnelWidth;
_obstacleStrengthFactor = options.obstacleStrengthFactor;
_allowCornerCutting = pathOptions.allowCornerCutting;
_allowDiagonals = !pathOptions.preventDiagonalMoves;
_announceAllNodes = modelUnit.pathNavigationOptions.announceAllNodes;
_builtInContainment = options.builtInContainment;
_updateInterval = options.updateInterval;
// pre-allocate lists memory
_openSet = new SimpleQueue<Cell>(31);
_tempWalkableNeighbours = new DynamicArray<Cell>(8);
_extraTempWalkableNeighbours = new DynamicArray<Cell>(8);
_grid = GridManager.instance.GetGrid(group.modelUnit.position);
if (_grid != null)
{
// we allocate half of the grid's size in order to have a bit more allocated memory than we expect to actually use
int size = Mathf.CeilToInt((_grid.sizeX * _grid.sizeZ) / 2f);
float minF = 9.99999944E-11f;
_cellDirsSet = new Dictionary<Vector3, VectorFieldCell>(size, new Vector3EqualityComparer(minF));
_fastMarchedCellsSet = new Dictionary<Vector3, PlaneVector>(size, new Vector3EqualityComparer(minF));
}
_funnelWidthSqr = _funnelWidth * _funnelWidth;
}
