Esempio n. 1
0
 public void PlaceSprites(int amount)
 {
     backgroundSpriteManager.PlaceSprites(level, amount);
 }
Esempio n. 2
0
        public void Generate(bool mirror = false)
        {
            if (backgroundSpriteManager == null)
            {
                var files = GameMain.SelectedPackage.GetFilesOfType(ContentType.BackgroundSpritePrefabs);
                if (files.Count > 0)
                {
                    backgroundSpriteManager = new BackgroundSpriteManager(files);
                }
                else
                {
                    backgroundSpriteManager = new BackgroundSpriteManager("Content/BackgroundSprites/BackgroundSpritePrefabs.xml");
                }
            }
#if CLIENT
            if (backgroundCreatureManager == null)
            {
                var files = GameMain.SelectedPackage.GetFilesOfType(ContentType.BackgroundCreaturePrefabs);
                if (files.Count > 0)
                {
                    backgroundCreatureManager = new BackgroundCreatureManager(files);
                }
                else
                {
                    backgroundCreatureManager = new BackgroundCreatureManager("Content/BackgroundSprites/BackgroundCreaturePrefabs.xml");
                }
            }
#endif

            Stopwatch sw = new Stopwatch();
            sw.Start();

            if (loaded != null)
            {
                loaded.Unload();
            }
            loaded = this;

            positionsOfInterest = new List <InterestingPosition>();

            Voronoi voronoi = new Voronoi(1.0);

            List <Vector2> sites = new List <Vector2>();

            bodies = new List <Body>();

            Rand.SetSyncedSeed(ToolBox.StringToInt(seed));

#if CLIENT
            renderer = new LevelRenderer(this);

            backgroundColor = generationParams.BackgroundColor;
            float avgValue = (backgroundColor.R + backgroundColor.G + backgroundColor.G) / 3;
            GameMain.LightManager.AmbientLight = new Color(backgroundColor * (10.0f / avgValue), 1.0f);
#endif

            SeaFloorTopPos = generationParams.SeaFloorDepth + generationParams.MountainHeightMax + generationParams.SeaFloorVariance;

            float minWidth = 6500.0f;
            if (Submarine.MainSub != null)
            {
                Rectangle dockedSubBorders = Submarine.MainSub.GetDockedBorders();
                minWidth = Math.Max(minWidth, Math.Max(dockedSubBorders.Width, dockedSubBorders.Height));
            }

            Rectangle pathBorders = borders;
            pathBorders.Inflate(-minWidth * 2, -minWidth * 2);

            startPosition = new Vector2(
                Rand.Range(minWidth, minWidth * 2, Rand.RandSync.Server),
                Rand.Range(borders.Height * 0.5f, borders.Height - minWidth * 2, Rand.RandSync.Server));

            endPosition = new Vector2(
                borders.Width - Rand.Range(minWidth, minWidth * 2, Rand.RandSync.Server),
                Rand.Range(borders.Height * 0.5f, borders.Height - minWidth * 2, Rand.RandSync.Server));

            //----------------------------------------------------------------------------------
            //generate the initial nodes for the main path and smaller tunnels
            //----------------------------------------------------------------------------------

            List <Vector2> pathNodes = new List <Vector2>();
            pathNodes.Add(new Vector2(startPosition.X, borders.Height));

            Vector2 nodeInterval = generationParams.MainPathNodeIntervalRange;

            for (float x = startPosition.X + nodeInterval.X;
                 x < endPosition.X - nodeInterval.X;
                 x += Rand.Range(nodeInterval.X, nodeInterval.Y, Rand.RandSync.Server))
            {
                pathNodes.Add(new Vector2(x, Rand.Range(pathBorders.Y, pathBorders.Bottom, Rand.RandSync.Server)));
            }

            pathNodes.Add(new Vector2(endPosition.X, borders.Height));

            if (pathNodes.Count <= 2)
            {
                pathNodes.Insert(1, borders.Center.ToVector2());
            }

            GenerateTunnels(pathNodes, minWidth);

            //----------------------------------------------------------------------------------
            //generate voronoi sites
            //----------------------------------------------------------------------------------

            Vector2 siteInterval = generationParams.VoronoiSiteInterval;
            Vector2 siteVariance = generationParams.VoronoiSiteVariance;
            for (float x = siteInterval.X / 2; x < borders.Width; x += siteInterval.X)
            {
                for (float y = siteInterval.Y / 2; y < borders.Height; y += siteInterval.Y)
                {
                    Vector2 site = new Vector2(
                        x + Rand.Range(-siteVariance.X, siteVariance.X, Rand.RandSync.Server),
                        y + Rand.Range(-siteVariance.Y, siteVariance.Y, Rand.RandSync.Server));

                    if (smallTunnels.Any(t => t.Any(node => Vector2.Distance(node, site) < siteInterval.Length())))
                    {
                        //add some more sites around the small tunnels to generate more small voronoi cells
                        if (x < borders.Width - siteInterval.X)
                        {
                            sites.Add(new Vector2(x, y) + Vector2.UnitX * siteInterval * 0.5f);
                        }
                        if (y < borders.Height - siteInterval.Y)
                        {
                            sites.Add(new Vector2(x, y) + Vector2.UnitY * siteInterval * 0.5f);
                        }
                        if (x < borders.Width - siteInterval.X && y < borders.Height - siteInterval.Y)
                        {
                            sites.Add(new Vector2(x, y) + Vector2.One * siteInterval * 0.5f);
                        }
                    }

                    if (mirror)
                    {
                        site.X = borders.Width - site.X;
                    }

                    sites.Add(site);
                }
            }


            //----------------------------------------------------------------------------------
            // construct the voronoi graph and cells
            //----------------------------------------------------------------------------------

            Stopwatch sw2 = new Stopwatch();
            sw2.Start();

            List <GraphEdge> graphEdges = voronoi.MakeVoronoiGraph(sites, borders.Width, borders.Height);

            Debug.WriteLine("MakeVoronoiGraph: " + sw2.ElapsedMilliseconds + " ms");
            sw2.Restart();

            //construct voronoi cells based on the graph edges
            cells = CaveGenerator.GraphEdgesToCells(graphEdges, borders, GridCellSize, out cellGrid);

            Debug.WriteLine("find cells: " + sw2.ElapsedMilliseconds + " ms");
            sw2.Restart();

            //----------------------------------------------------------------------------------
            // generate a path through the initial path nodes
            //----------------------------------------------------------------------------------

            List <VoronoiCell> mainPath = CaveGenerator.GeneratePath(pathNodes, cells, cellGrid, GridCellSize,
                                                                     new Rectangle(pathBorders.X, pathBorders.Y, pathBorders.Width, borders.Height), 0.5f, mirror);

            for (int i = 2; i < mainPath.Count; i += 3)
            {
                positionsOfInterest.Add(new InterestingPosition(mainPath[i].Center, PositionType.MainPath));
            }

            List <VoronoiCell> pathCells = new List <VoronoiCell>(mainPath);

            //make sure the path is wide enough to pass through
            EnlargeMainPath(pathCells, minWidth);

            foreach (InterestingPosition positionOfInterest in positionsOfInterest)
            {
                WayPoint wayPoint = new WayPoint(positionOfInterest.Position, SpawnType.Enemy, null);
                wayPoint.MoveWithLevel = true;
            }

            startPosition.X = pathCells[0].Center.X;

            //----------------------------------------------------------------------------------
            // tunnels through the tunnel nodes
            //----------------------------------------------------------------------------------

            foreach (List <Vector2> tunnel in smallTunnels)
            {
                if (tunnel.Count < 2)
                {
                    continue;
                }

                //find the cell which the path starts from
                int startCellIndex = CaveGenerator.FindCellIndex(tunnel[0], cells, cellGrid, GridCellSize, 1);
                if (startCellIndex < 0)
                {
                    continue;
                }

                //if it wasn't one of the cells in the main path, don't create a tunnel
                if (cells[startCellIndex].CellType != CellType.Path)
                {
                    continue;
                }

                var newPathCells = CaveGenerator.GeneratePath(tunnel, cells, cellGrid, GridCellSize, pathBorders);

                positionsOfInterest.Add(new InterestingPosition(tunnel.Last(), PositionType.Cave));

                if (tunnel.Count > 4)
                {
                    positionsOfInterest.Add(new InterestingPosition(tunnel[tunnel.Count / 2], PositionType.Cave));
                }

                pathCells.AddRange(newPathCells);
            }

            Debug.WriteLine("path: " + sw2.ElapsedMilliseconds + " ms");
            sw2.Restart();


            //----------------------------------------------------------------------------------
            // remove unnecessary cells and create some holes at the bottom of the level
            //----------------------------------------------------------------------------------

            cells = CleanCells(pathCells);
            pathCells.AddRange(CreateBottomHoles(generationParams.BottomHoleProbability, new Rectangle(
                                                     (int)(borders.Width * 0.2f), 0,
                                                     (int)(borders.Width * 0.6f), (int)(borders.Height * 0.8f))));

            foreach (VoronoiCell cell in cells)
            {
                if (cell.Center.Y < borders.Height / 2)
                {
                    continue;
                }
                cell.edges.ForEach(e => e.OutsideLevel = true);
            }

            //----------------------------------------------------------------------------------
            // initialize the cells that are still left and insert them into the cell grid
            //----------------------------------------------------------------------------------

            foreach (VoronoiCell cell in pathCells)
            {
                cell.edges.ForEach(e => e.OutsideLevel = false);

                cell.CellType = CellType.Path;
                cells.Remove(cell);
            }

            for (int x = 0; x < cellGrid.GetLength(0); x++)
            {
                for (int y = 0; y < cellGrid.GetLength(1); y++)
                {
                    cellGrid[x, y].Clear();
                }
            }

            foreach (VoronoiCell cell in cells)
            {
                int x = (int)Math.Floor(cell.Center.X / GridCellSize);
                int y = (int)Math.Floor(cell.Center.Y / GridCellSize);

                if (x < 0 || y < 0 || x >= cellGrid.GetLength(0) || y >= cellGrid.GetLength(1))
                {
                    continue;
                }

                cellGrid[x, y].Add(cell);
            }


            //----------------------------------------------------------------------------------
            // create some ruins
            //----------------------------------------------------------------------------------

            ruins = new List <Ruin>();
            for (int i = 0; i < generationParams.RuinCount; i++)
            {
                GenerateRuin(mainPath);
            }


            //----------------------------------------------------------------------------------
            // generate the bodies and rendered triangles of the cells
            //----------------------------------------------------------------------------------

            startPosition.Y = borders.Height;
            endPosition.Y   = borders.Height;

            List <VoronoiCell> cellsWithBody = new List <VoronoiCell>(cells);

            List <Vector2[]> triangles;
            bodies = CaveGenerator.GeneratePolygons(cellsWithBody, out triangles);

#if CLIENT
            renderer.SetBodyVertices(CaveGenerator.GenerateRenderVerticeList(triangles).ToArray(), generationParams.WallColor);
            renderer.SetWallVertices(CaveGenerator.GenerateWallShapes(cells), generationParams.WallColor);
#endif

            TopBarrier = BodyFactory.CreateEdge(GameMain.World,
                                                ConvertUnits.ToSimUnits(new Vector2(borders.X, 0)),
                                                ConvertUnits.ToSimUnits(new Vector2(borders.Right, 0)));

            TopBarrier.SetTransform(ConvertUnits.ToSimUnits(new Vector2(0.0f, borders.Height)), 0.0f);
            TopBarrier.BodyType            = BodyType.Static;
            TopBarrier.CollisionCategories = Physics.CollisionLevel;

            bodies.Add(TopBarrier);

            GenerateSeaFloor();

            backgroundSpriteManager.PlaceSprites(this, generationParams.BackgroundSpriteAmount);
#if CLIENT
            backgroundCreatureManager.SpawnSprites(80);
#endif

            foreach (VoronoiCell cell in cells)
            {
                foreach (GraphEdge edge in cell.edges)
                {
                    edge.cell1 = null;
                    edge.cell2 = null;
                    edge.site1 = null;
                    edge.site2 = null;
                }
            }

            //initialize MapEntities that aren't in any sub (e.g. items inside ruins)
            MapEntity.MapLoaded(null);

            Debug.WriteLine("Generatelevel: " + sw2.ElapsedMilliseconds + " ms");
            sw2.Restart();

            if (mirror)
            {
                Vector2 temp = startPosition;
                startPosition = endPosition;
                endPosition   = temp;
            }

            Debug.WriteLine("**********************************************************************************");
            Debug.WriteLine("Generated a map with " + sites.Count + " sites in " + sw.ElapsedMilliseconds + " ms");
            Debug.WriteLine("Seed: " + seed);
            Debug.WriteLine("**********************************************************************************");

            if (GameSettings.VerboseLogging)
            {
                DebugConsole.NewMessage("Generated level with the seed " + seed + " (type: " + generationParams.Name + ")", Color.White);
            }
        }