Exemple #1
0
        public void Generate()
        {
            var navMesh = new NavMesh(this.game);

            var intersectionMap     = new Dictionary <Intersection, MergedIntersection>();
            var intersectionSideMap = new Dictionary <MergedIntersection, Game.Street[]>();
            var intersectionQuadMap = new Dictionary <MergedIntersection, NavQuad>();

            foreach (var mergedIntersection in this.game.GetList <MergedIntersection>())
            {
                var streets = new Game.Street[4];

                foreach (var street in mergedIntersection.Streets)
                {
                    var thisNode = mergedIntersection
                                   .Intersections.First(i => i == street.Node1 || i == street.Node2);
                    var otherNode = street.OtherNode(thisNode);

                    var diff = otherNode.Position - thisNode.Position;

                    if (diff.X == 0.U())
                    {
                        streets[diff.Y > 0.U() ? Block.Side.North : Block.Side.South] = street;
                    }
                    else if (diff.Y == 0.U())
                    {
                        streets[diff.X > 0.U() ? Block.Side.East : Block.Side.West] = street;
                    }
                    else
                    {
                        throw new Exception("");
                    }
                }

                var padding = 0.3.U();

                var cornerSW = getIntersectionCorner(streets, Block.Corner.SouthWest);
                var cornerSE = getIntersectionCorner(streets, Block.Corner.SouthEast);
                var cornerNW = getIntersectionCorner(streets, Block.Corner.NorthWest);
                var cornerNE = getIntersectionCorner(streets, Block.Corner.NorthEast);

                var navQuad = new NavQuad(
                    cornerSW + new Difference2(padding, padding),
                    cornerSE + new Difference2(-padding, padding),
                    cornerNW + new Difference2(padding, -padding),
                    cornerNE + new Difference2(-padding, -padding)
                    );

                navMesh.Add(navQuad);

                intersectionSideMap.Add(mergedIntersection, streets);
                intersectionQuadMap.Add(mergedIntersection, navQuad);

                foreach (var intersection in mergedIntersection.Intersections)
                {
                    intersectionMap.Add(intersection, mergedIntersection);
                }
            }

            foreach (var mergedIntersection in this.game.GetList <MergedIntersection>())
            {
                var intersectionQuad = intersectionQuadMap[mergedIntersection];

                foreach (var street in mergedIntersection.Streets
                         .Where(s => mergedIntersection.Intersections.Contains(s.Node1)))
                {
                    var side = (Block.Side)Array.IndexOf(intersectionSideMap[mergedIntersection], street);

                    var quad1 = intersectionQuad;
                    var quad2 = intersectionQuadMap[intersectionMap[street.Node2]];

                    if (side == Block.Side.East || side == Block.Side.West)
                    {
                        if (side == Block.Side.East)
                        {
                            Do.Swap(ref quad1, ref quad2);
                        }

                        var navQuad = new NavQuad(quad2.SE, quad1.SW, quad2.NE, quad1.NW);

                        NavLink.CreatePair(navQuad, quad1, quad1.SW, quad1.NW);
                        NavLink.CreatePair(navQuad, quad2, quad2.SE, quad2.NE);

                        navMesh.Add(navQuad);
                    }
                    else if (side == Block.Side.South || side == Block.Side.North)
                    {
                        if (side == Block.Side.South)
                        {
                            Do.Swap(ref quad1, ref quad2);
                        }

                        var navQuad = new NavQuad(quad1.NW, quad1.NE, quad2.SW, quad2.SE);

                        NavLink.CreatePair(navQuad, quad1, quad1.NW, quad1.NE);
                        NavLink.CreatePair(navQuad, quad2, quad2.SW, quad2.SE);

                        navMesh.Add(navQuad);
                    }
                }
            }
        }
Exemple #2
0
        public void Generate()
        {
            var navMesh = new NavMesh(this.game);

            var intersectionMap = new Dictionary<Intersection, MergedIntersection>();
            var intersectionSideMap = new Dictionary<MergedIntersection, Game.Street[]>();
            var intersectionQuadMap = new Dictionary<MergedIntersection, NavQuad>();

            foreach (var mergedIntersection in this.game.GetList<MergedIntersection>())
            {
                var streets = new Game.Street[4];

                foreach (var street in mergedIntersection.Streets)
                {
                    var thisNode = mergedIntersection
                        .Intersections.First(i => i == street.Node1 || i == street.Node2);
                    var otherNode = street.OtherNode(thisNode);

                    var diff = otherNode.Position - thisNode.Position;

                    if (diff.X == 0.U())
                    {
                        streets[diff.Y > 0.U() ? Block.Side.North : Block.Side.South] = street;
                    }
                    else if (diff.Y == 0.U())
                    {
                        streets[diff.X > 0.U() ? Block.Side.East : Block.Side.West] = street;
                    }
                    else
                    {
                        throw new Exception("");
                    }

                }

                var padding = 0.3.U();

                var cornerSW = getIntersectionCorner(streets, Block.Corner.SouthWest);
                var cornerSE = getIntersectionCorner(streets, Block.Corner.SouthEast);
                var cornerNW = getIntersectionCorner(streets, Block.Corner.NorthWest);
                var cornerNE = getIntersectionCorner(streets, Block.Corner.NorthEast);

                var navQuad = new NavQuad(
                    cornerSW + new Difference2(padding, padding),
                    cornerSE + new Difference2(-padding, padding),
                    cornerNW + new Difference2(padding, -padding),
                    cornerNE + new Difference2(-padding, -padding)
                );

                navMesh.Add(navQuad);

                intersectionSideMap.Add(mergedIntersection, streets);
                intersectionQuadMap.Add(mergedIntersection, navQuad);

                foreach (var intersection in mergedIntersection.Intersections)
                {
                    intersectionMap.Add(intersection, mergedIntersection);
                }
            }

            foreach (var mergedIntersection in this.game.GetList<MergedIntersection>())
            {
                var intersectionQuad = intersectionQuadMap[mergedIntersection];

                foreach (var street in mergedIntersection.Streets
                         .Where(s => mergedIntersection.Intersections.Contains(s.Node1)))
                {
                    var side = (Block.Side)Array.IndexOf(intersectionSideMap[mergedIntersection], street);

                    var quad1 = intersectionQuad;
                    var quad2 = intersectionQuadMap[intersectionMap[street.Node2]];

                    if (side == Block.Side.East || side == Block.Side.West)
                    {
                        if (side == Block.Side.East)
                        {
                            Do.Swap(ref quad1, ref quad2);
                        }

                        var navQuad = new NavQuad(quad2.SE, quad1.SW, quad2.NE, quad1.NW);

                        NavLink.CreatePair(navQuad, quad1, quad1.SW, quad1.NW);
                        NavLink.CreatePair(navQuad, quad2, quad2.SE, quad2.NE);

                        navMesh.Add(navQuad);
                    }
                    else if (side == Block.Side.South || side == Block.Side.North)
                    {
                        if (side == Block.Side.South)
                        {
                            Do.Swap(ref quad1, ref quad2);
                        }

                        var navQuad = new NavQuad(quad1.NW, quad1.NE, quad2.SW, quad2.SE);

                        NavLink.CreatePair(navQuad, quad1, quad1.NW, quad1.NE);
                        NavLink.CreatePair(navQuad, quad2, quad2.SW, quad2.SE);

                        navMesh.Add(navQuad);
                    }
                }
            }
        }