public static TileNodeNetwork CreateFromNames(LayeredTileMap layeredTileMap, DirectionalType directionalType,
ICollection <string> names)
{
Func <List <TMXGlueLib.DataTypes.NamedValue>, bool> predicate = (list) =>
{
var toReturn = false;
foreach (var namedValue in list)
{
if (namedValue.Name == "Name")
{
var valueAsString = namedValue.Value as string;
if (!string.IsNullOrEmpty(valueAsString) && names.Contains(valueAsString))
{
toReturn = true;
break;
}
}
}
return(toReturn);
};
return(CreateFrom(layeredTileMap, directionalType, predicate));
}
public PositionedNode AddAndLinkTiledNode(int x, int y, DirectionalType directionalType)
{
PositionedNode node = null;
if (mTiledNodes[x][y] != null)
{
node = mTiledNodes[x][y];
}
else
{
node = base.AddNode();
mTiledNodes[x][y] = node;
}
node.Position.X = mXSeed + x * mGridSpacing;
node.Position.Y = mYSeed + y * mGridSpacing;
// Now attach to the adjacent tiles
AttachNodeToNodeAtIndex(node, x, y + 1);
AttachNodeToNodeAtIndex(node, x + 1, y);
AttachNodeToNodeAtIndex(node, x, y - 1);
AttachNodeToNodeAtIndex(node, x - 1, y);
if (directionalType == DirectionalType.Eight)
{
AttachNodeToNodeAtIndex(node, x - 1, y + 1);
AttachNodeToNodeAtIndex(node, x + 1, y + 1);
AttachNodeToNodeAtIndex(node, x + 1, y - 1);
AttachNodeToNodeAtIndex(node, x - 1, y - 1);
}
return(node);
}
public static TileNodeNetwork CreateFromTypes(LayeredTileMap layeredTileMap, DirectionalType directionalType, ICollection <string> types)
{
bool CreateFromTypesPredicate(List <NamedValue> list)
{
var toReturn = false;
foreach (var namedValue in list)
{
if (namedValue.Name == "Type")
{
var valueAsString = namedValue.Value as string;
if (!string.IsNullOrEmpty(valueAsString) && types.Contains(valueAsString))
{
toReturn = true;
break;
}
}
}
return(toReturn);
}
return(CreateFrom(layeredTileMap, directionalType, CreateFromTypesPredicate));
}
public static TileNodeNetwork CreateFrom(LayeredTileMap layeredTileMap, DirectionalType directionalType,
Func <List <TMXGlueLib.DataTypes.NamedValue>, bool> predicate)
{
var numberOfTilesWide =
MathFunctions.RoundToInt(layeredTileMap.Width / layeredTileMap.WidthPerTile.Value);
var numberOfTilesTall =
MathFunctions.RoundToInt(layeredTileMap.Height / layeredTileMap.HeightPerTile.Value);
var tileWidth = layeredTileMap.WidthPerTile.Value;
var dimensionHalf = tileWidth / 2.0f;
TileNodeNetwork nodeNetwork = new TileNodeNetwork(
0 + dimensionHalf,
-layeredTileMap.Height + tileWidth / 2.0f,
tileWidth,
numberOfTilesWide,
numberOfTilesTall,
directionalType);
var properties = layeredTileMap.TileProperties;
foreach (var kvp in properties)
{
string name = kvp.Key;
var namedValues = kvp.Value;
if (predicate(namedValues))
{
foreach (var layer in layeredTileMap.MapLayers)
{
var dictionary = layer.NamedTileOrderedIndexes;
if (dictionary.ContainsKey(name))
{
var indexList = dictionary[name];
foreach (var index in indexList)
{
float left;
float bottom;
layer.GetBottomLeftWorldCoordinateForOrderedTile(index, out left, out bottom);
var centerX = left + dimensionHalf;
var centerY = bottom + dimensionHalf;
nodeNetwork.AddAndLinkTiledNodeWorld(centerX, centerY);
}
}
}
}
}
nodeNetwork.Visible = true;
return(nodeNetwork);
}
public static TileNodeNetwork CreateFrom(LayeredTileMap layeredTileMap, DirectionalType directionalType,
Func <List <TMXGlueLib.DataTypes.NamedValue>, bool> predicate)
{
TileNodeNetwork nodeNetwork = CreateTileNodeNetwork(layeredTileMap, directionalType);
FillFromPredicate(nodeNetwork, layeredTileMap, predicate);
nodeNetwork.Visible = true;
return(nodeNetwork);
}
/// <summary>
/// Creates a new, empty TileNodeNetwork matching the arguments.
/// </summary>
/// <param name="xOrigin">The X position of the left-most nodes. This, along with the ySeed, define the bottom-left of the node network.
/// For tile maps this should be the center X of the first tile column (typically TileWidth / 2).</param>
/// <param name="yOrigin">The y position of the bottom-most nodes. This, along with xSeed, define the bottom-left of the node network.
/// For tile maps this should be the center Y of the bottom tile row.
/// If the top-left of the map is at 0,0, then this value would be (-EntireMapHeight + TileHeight/2)</param>
/// <param name="gridSpacing">The X and Y distance between each node. That is, the X distance between two adjacent nodes (assumed to be equal to the Y distance). For a tile map this will equal the width of a tile.</param>
/// <param name="numberOfXTiles">The number of nodes vertically.</param>
/// <param name="numberOfYTiles">The number of nodes horizontally.</param>
/// <param name="directionalType">Whether to create a Four-way or Eight-way node network. Eight creates diagonal links, enabling diagonal movement when following the node network.</param>
public TileNodeNetwork(float xOrigin, float yOrigin, float gridSpacing, int numberOfXTiles,
int numberOfYTiles, DirectionalType directionalType)
{
mCosts = new float[PropertyIndexSize]; // Maybe expand this to 64 if we ever move to a long bit field?
OccupiedCircleRadius = .5f;
mTiledNodes = new PositionedNode[numberOfXTiles][];
mNumberOfXTiles = numberOfXTiles;
mNumberOfYTiles = numberOfYTiles;
mDirectionalType = directionalType;
mXSeed = xOrigin;
mYSeed = yOrigin;
mGridSpacing = gridSpacing;
// Do an initial loop to create the arrays so that
// linking works properly
for (int x = 0; x < numberOfXTiles; x++)
{
mTiledNodes[x] = new PositionedNode[numberOfYTiles];
}
}
public TileNodeNetwork(float xSeed, float ySeed, float gridSpacing, int numberOfXTiles,
int numberOfYTiles, DirectionalType directionalType)
{
mCosts = new float[PropertyIndexSize]; // Maybe expand this to 64 if we ever move to a long bit field?
OccupiedCircleRadius = .5f;
mTiledNodes = new PositionedNode[numberOfXTiles][];
mNumberOfXTiles = numberOfXTiles;
mNumberOfYTiles = numberOfYTiles;
mDirectionalType = directionalType;
mXSeed = xSeed;
mYSeed = ySeed;
mGridSpacing = gridSpacing;
// Do an initial loop to create the arrays so that
// linking works properly
for (int x = 0; x < numberOfXTiles; x++)
{
mTiledNodes[x] = new PositionedNode[numberOfYTiles];
}
}
public static TileNodeNetwork CreateFromTilesWithProperties(LayeredTileMap layeredTileMap, DirectionalType directionalType,
ICollection <string> types)
{
Func <List <TMXGlueLib.DataTypes.NamedValue>, bool> predicate = (list) =>
{
var toReturn = false;
foreach (var namedValue in list)
{
if (types.Contains(namedValue.Name))
{
toReturn = true;
break;
}
}
return(toReturn);
};
return(CreateFrom(layeredTileMap, directionalType, predicate));
}
private static TileNodeNetwork CreateTileNodeNetwork(LayeredTileMap layeredTileMap, DirectionalType directionalType)
{
var numberOfTilesWide =
MathFunctions.RoundToInt(layeredTileMap.Width / layeredTileMap.WidthPerTile.Value);
var numberOfTilesTall =
MathFunctions.RoundToInt(layeredTileMap.Height / layeredTileMap.HeightPerTile.Value);
var tileWidth = layeredTileMap.WidthPerTile.Value;
var dimensionHalf = tileWidth / 2.0f;
TileNodeNetwork nodeNetwork = new TileNodeNetwork(
0 + dimensionHalf,
-layeredTileMap.Height + tileWidth / 2.0f,
tileWidth,
numberOfTilesWide,
numberOfTilesTall,
directionalType);
return(nodeNetwork);
}
public static TileNodeNetwork CreateFromEmptyTiles(MapDrawableBatch mapDrawableBatch, LayeredTileMap layeredTileMap, DirectionalType directionalType)
{
TileNodeNetwork toReturn = CreateTileNodeNetwork(layeredTileMap, directionalType);
toReturn.FillCompletely();
var offset = new Microsoft.Xna.Framework.Vector3(layeredTileMap.WidthPerTile.Value / 2, layeredTileMap.HeightPerTile.Value / 2, 0);
for (int i = 0; i < mapDrawableBatch.Vertices.Length; i += 4)
{
var position = mapDrawableBatch.Vertices[i].Position + offset;
var nodeToRemove = toReturn.TiledNodeAtWorld(position.X, position.Y);
if (nodeToRemove != null)
{
toReturn.Remove(nodeToRemove);
}
}
return(toReturn);
}
public PositionedNode AddAndLinkTiledNode(int x, int y, DirectionalType directionalType)
{
PositionedNode node = null;
if (mTiledNodes[x][y] != null)
{
node = mTiledNodes[x][y];
}
else
{
node = AddNode();
mTiledNodes[x][y] = node;
}
node.Position.X = mXSeed + x * mGridSpacing;
node.Position.Y = mYSeed + y * mGridSpacing;
// Now attach to the adjacent tiles
AttachNodeToNodeAtIndex(node, x, y + 1);
AttachNodeToNodeAtIndex(node, x + 1, y);
AttachNodeToNodeAtIndex(node, x, y - 1);
AttachNodeToNodeAtIndex(node, x - 1, y);
if (directionalType == DirectionalType.Eight)
{
AttachNodeToNodeAtIndex(node, x - 1, y + 1);
AttachNodeToNodeAtIndex(node, x + 1, y + 1);
AttachNodeToNodeAtIndex(node, x + 1, y - 1);
AttachNodeToNodeAtIndex(node, x - 1, y - 1);
}
return node;
}
