public static void AddCollisionFrom(this TileShapeCollection tileShapeCollection, LayeredTileMap layeredTileMap,
Func<List<TMXGlueLib.DataTypes.NamedValue>, bool> predicate)
{
var properties = layeredTileMap.Properties;
foreach (var kvp in properties)
{
string name = kvp.Key;
var namedValues = kvp.Value;
if (predicate(namedValues))
{
float dimension = float.NaN;
float dimensionHalf = 0;
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);
if (float.IsNaN(dimension))
{
dimension = layer.Vertices[(index * 4) + 1].Position.X - left;
dimensionHalf = dimension / 2.0f;
tileShapeCollection.GridSize = dimension;
}
tileShapeCollection.AddCollisionAtWorld(left + dimensionHalf,
bottom + dimensionHalf);
}
}
}
}
}
}
static void AddCollisionFrom(this TileShapeCollection tileShapeCollection,
Scene scene, IEnumerable<string> namesToUse)
{
// prob need to clear out the tileShapeCollection
float dimension = float.NaN;
float dimensionHalf = 0;
for (int i = 0; i < scene.Sprites.Count; i++)
{
if (namesToUse.Contains(scene.Sprites[i].Name))
{
if (float.IsNaN(dimension))
{
dimension = scene.Sprites[i].Width;
dimensionHalf = dimension / 2.0f;
tileShapeCollection.GridSize = dimension;
}
tileShapeCollection.AddCollisionAtWorld(scene.Sprites[i].X, scene.Sprites[i].Y);
}
}
}
// This was not originally public but made public for situations where users want to
// manually specify which tiles to use rather than relying on the HasCollision methods.
public static void AddCollisionFrom(this TileShapeCollection tileShapeCollection,
LayeredTileMap layeredTileMap, IEnumerable<string> namesToUse)
{
// prob need to clear out the tileShapeCollection
float dimension = float.NaN;
float dimensionHalf = 0;
foreach (var layer in layeredTileMap.MapLayers)
{
var dictionary = layer.NamedTileOrderedIndexes;
foreach (var name in namesToUse)
{
if (dictionary.ContainsKey(name))
{
var indexList = dictionary[name];
foreach (var index in indexList)
{
float left;
float bottom;
layer.GetBottomLeftWorldCoordinateForOrderedTile(index, out left, out bottom);
if (float.IsNaN(dimension))
{
dimension = layer.Vertices[(index*4) + 1].Position.X - left;
dimensionHalf = dimension / 2.0f;
tileShapeCollection.GridSize = dimension;
}
tileShapeCollection.AddCollisionAtWorld(left + dimensionHalf,
bottom + dimensionHalf);
}
}
}
}
}
