private static void DrawPolygon(NavigationPolygon region, Color color)
{
Gizmos.color = color;
var p0 = region[region.Count - 1];
var p1 = region[0];
Gizmos.DrawLine(new Vector3(p0.X.ToFloat(), 0, p0.Y.ToFloat()), new Vector3(p1.X.ToFloat(), 0, p1.Y.ToFloat()));
for (int i = 1; i < region.Count; i++)
{
p0 = region[i - 1];
p1 = region[i];
Gizmos.DrawLine(new Vector3(p0.X.ToFloat(), 0, p0.Y.ToFloat()), new Vector3(p1.X.ToFloat(), 0, p1.Y.ToFloat()));
}
}
/// <summary>
/// Fills list of TilePerims of tiles in a TileMap.
/// </summary>
/// <param name="tileMap">The TileMap which we are grabbing tiles from</param>
/// <returns>A list containing the TilePerims in the input TileMap</returns>
private static List <TilePerim> _FillTiles(TileMap tileMap)
{
var tilePerims = new List <TilePerim>();
var usedCells = new List <Vector2>(tileMap.GetUsedCells().OfType <Vector2>()); //thanks to godot's C# api array being non-typed i have to commit this atrocity
for (int i = 0; i < usedCells.Count; i++)
{
Vector2 cell = usedCells[i];
Vector2 botCoord = tileMap.MapToWorld(cell); //Thanks to graphics in general using reverse Y axis, the bottom coordinate actually has the HIGHEST y-value
int cellID = tileMap.GetCellv(cell);
Vector2 originCoord = botCoord - (new Vector2((float)Globals.TileWidth / 2, 0)) + tileMap.TileSet.TileGetTextureOffset(cellID);
NavigationPolygon navPoly = tileMap.TileSet.TileGetNavigationPolygon(cellID);
Vector2[] vertices = _ShiftVertices(navPoly.Vertices, originCoord);
var tilePerim = new TilePerim(vertices, cell, i);
tilePerims.Add(tilePerim);
}
return(tilePerims);
}
public override void _Ready()
{
var navPoly = new NavigationPolygon();
var offset = new Vector2(0, -Globals.TileHeight);
foreach (int tileID in this.TileSet.GetTilesIds())
{
this.TileSet.TileSetTextureOffset(tileID, offset);
if (tileID == 0)
{
navPoly = this.TileSet.TileGetNavigationPolygon(tileID);
}
else
{
this.TileSet.TileSetNavigationPolygon(tileID, navPoly);
}
}
}
private NavigationPolygon ToPolygon(GameObject go, int funnelSize)
{
var points = new NavigationPolygon();
var mesh = go.GetComponent <BoxCollider>();
Vector3 p1 = new Vector3(-mesh.size.x, 0, -mesh.size.z) * 0.5f;
Vector3 p2 = new Vector3(mesh.size.x, 0, -mesh.size.z) * 0.5f;
Vector3 p3 = new Vector3(mesh.size.x, 0, mesh.size.z) * 0.5f;
Vector3 p4 = new Vector3(-mesh.size.x, 0, mesh.size.z) * 0.5f;
p1 = go.transform.TransformPoint(p1);
p2 = go.transform.TransformPoint(p2);
p3 = go.transform.TransformPoint(p3);
p4 = go.transform.TransformPoint(p4);
points.Add(new DeterministicVector2()
{
X = (int)p1.x - funnelSize,
Y = (int)p1.z - funnelSize
});
points.Add(new DeterministicVector2()
{
X = (int)p2.x + funnelSize,
Y = (int)p2.z - funnelSize
});
points.Add(new DeterministicVector2()
{
X = (int)p3.x + funnelSize,
Y = (int)p3.z + funnelSize
});
points.Add(new DeterministicVector2()
{
X = (int)p4.x - funnelSize,
Y = (int)p4.z + funnelSize
});
return(points);
}
private void ProzessFloorAndStaticObjects(NavigationFloorComponent floorObject,
NavigationStaticObjectComponent[] staticObjects, out NavigationPolygons staticObjectsPoly, out NavigationPolygon floorObjectsPoly)
{
floorObjectsPoly = ToPolygon(floorObject.gameObject, 0);
staticObjectsPoly = new NavigationPolygons();
foreach (var staticObj in staticObjects)
{
staticObjectsPoly.Add(ToPolygon(staticObj.gameObject, 0));
}
}
