449 lines
17 KiB
C#
449 lines
17 KiB
C#
using System.Collections.Generic;
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using Server.Regions;
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using Server.Spells;
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namespace Server.Multis
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{
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public enum HousePlacementResult
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{
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Valid,
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BadRegion,
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BadLand,
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BadStatic,
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BadItem,
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NoSurface,
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BadRegionHidden,
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BadRegionTemp,
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InvalidCastleKeep,
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BadRegionRaffle
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}
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public class HousePlacement
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{
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private const int YardSize = 5;
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// Any land tile which matches one of these ID numbers is considered a road and cannot be placed over.
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private static readonly int[] m_RoadIDs =
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{
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0x0071, 0x0078,
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0x00E8, 0x00EB,
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0x07AE, 0x07B1,
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0x3FF4, 0x3FF4,
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0x3FF8, 0x3FFB,
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0x0442, 0x0479, // Sand stones
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0x0501, 0x0510, // Sand stones
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0x0009, 0x0015, // Furrows
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0x0150, 0x015C // Furrows
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};
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public static HousePlacementResult Check(Mobile from, int multiID, Point3D center, out List<IEntity> toMove)
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{
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// If this spot is considered valid, every item and mobile in this list will be moved under the house sign
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toMove = new List<IEntity>();
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var map = from.Map;
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if (map == null || map == Map.Internal)
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{
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return HousePlacementResult.BadLand; // A house cannot go here
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}
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if (from.AccessLevel >= AccessLevel.GameMaster)
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{
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return HousePlacementResult.Valid; // Staff can place anywhere
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}
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if (map == Map.Ilshenar || SpellHelper.IsFeluccaT2A(map, center))
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{
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return HousePlacementResult.BadRegion; // No houses in Ilshenar/T2A
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}
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if (map == Map.Malas && (multiID == 0x007C || multiID == 0x007E))
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{
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return HousePlacementResult.InvalidCastleKeep;
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}
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if (Region.Find(center, map).IsPartOf<NoHousingRegion>())
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{
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return HousePlacementResult.BadRegion;
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}
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// This holds data describing the internal structure of the house
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var mcl = MultiData.GetComponents(multiID);
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if (multiID >= 0x13EC && multiID < 0x1D00)
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{
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HouseFoundation.AddStairsTo(ref mcl); // this is a AOS house, add the stairs
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}
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// Location of the nortwest-most corner of the house
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var start = new Point3D(center.X + mcl.Min.X, center.Y + mcl.Min.Y, center.Z);
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// These are storage lists. They hold items and mobiles found in the map for further processing
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var items = new List<Item>();
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var mobiles = new List<Mobile>();
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// These are also storage lists. They hold location values indicating the yard and border locations.
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List<Point2D> yard = new List<Point2D>(), borders = new List<Point2D>();
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/* RULES:
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*
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* 1) All tiles which are around the -outside- of the foundation must not have anything impassable.
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* 2) No impassable object or land tile may come in direct contact with any part of the house.
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* 3) Five tiles from the front and back of the house must be completely clear of all house tiles.
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* 4) The foundation must rest flatly on a surface. Any bumps around the foundation are not allowed.
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* 5) No foundation tile may reside over terrain which is viewed as a road.
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*/
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for (var x = 0; x < mcl.Width; ++x)
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{
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for (var y = 0; y < mcl.Height; ++y)
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{
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var tileX = start.X + x;
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var tileY = start.Y + y;
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var addTiles = mcl.Tiles[x][y];
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if (addTiles.Length == 0)
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{
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continue; // There are no tiles here, continue checking somewhere else
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}
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var testPoint = new Point3D(tileX, tileY, center.Z);
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var reg = Region.Find(testPoint, map);
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if (!reg.AllowHousing(from, testPoint)) // Cannot place houses in dungeons, towns, treasure map areas etc
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{
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if (reg.IsPartOf<TempNoHousingRegion>())
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{
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return HousePlacementResult.BadRegionTemp;
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}
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if (reg.IsPartOf<TreasureRegion>() || reg.IsPartOf<HouseRegion>())
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{
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return HousePlacementResult.BadRegionHidden;
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}
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if (reg.IsPartOf<HouseRaffleRegion>())
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{
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return HousePlacementResult.BadRegionRaffle;
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}
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return HousePlacementResult.BadRegion;
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}
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var landTile = map.Tiles.GetLandTile(tileX, tileY);
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var landID = landTile.ID & TileData.MaxLandValue;
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var oldTiles = map.Tiles.GetStaticTiles(tileX, tileY, true);
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var sector = map.GetSector(tileX, tileY);
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items.Clear();
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for (var i = 0; i < sector.Items.Count; ++i)
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{
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var item = sector.Items[i];
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if (item.Visible && item.X == tileX && item.Y == tileY)
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{
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items.Add(item);
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}
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}
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mobiles.Clear();
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for (var i = 0; i < sector.Mobiles.Count; ++i)
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{
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var m = sector.Mobiles[i];
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if (m.X == tileX && m.Y == tileY)
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{
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mobiles.Add(m);
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}
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}
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int landStartZ = 0, landAvgZ = 0, landTopZ = 0;
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map.GetAverageZ(tileX, tileY, ref landStartZ, ref landAvgZ, ref landTopZ);
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var hasFoundation = false;
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for (var i = 0; i < addTiles.Length; ++i)
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{
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var addTile = addTiles[i];
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if (addTile.ID == 0x1) // Nodraw
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{
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continue;
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}
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var addTileFlags = TileData.ItemTable[addTile.ID & TileData.MaxItemValue].Flags;
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var isFoundation = addTile.Z == 0 && (addTileFlags & TileFlag.Wall) != 0;
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var hasSurface = false;
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if (isFoundation)
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{
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hasFoundation = true;
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}
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var addTileZ = center.Z + addTile.Z;
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var addTileTop = addTileZ + addTile.Height;
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if ((addTileFlags & TileFlag.Surface) != 0)
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{
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addTileTop += 16;
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}
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if (addTileTop > landStartZ && landAvgZ > addTileZ)
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{
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return HousePlacementResult.BadLand; // Broke rule #2
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}
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if (isFoundation &&
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(TileData.LandTable[landTile.ID & TileData.MaxLandValue].Flags & TileFlag.Impassable) == 0 &&
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landAvgZ == center.Z)
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{
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hasSurface = true;
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}
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for (var j = 0; j < oldTiles.Length; ++j)
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{
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var oldTile = oldTiles[j];
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var id = TileData.ItemTable[oldTile.ID & TileData.MaxItemValue];
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if ((id.Impassable || id.Surface && (id.Flags & TileFlag.Background) == 0) &&
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addTileTop > oldTile.Z && oldTile.Z + id.CalcHeight > addTileZ)
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{
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return HousePlacementResult.BadStatic; // Broke rule #2
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}
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/*else if (isFoundation && !hasSurface && (id.Flags & TileFlag.Surface) != 0 && (oldTile.Z + id.CalcHeight) == center.Z)
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hasSurface = true;*/
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}
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for (var j = 0; j < items.Count; ++j)
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{
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var item = items[j];
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var id = item.ItemData;
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if (addTileTop > item.Z && item.Z + id.CalcHeight > addTileZ)
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{
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if (item.Movable)
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{
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toMove.Add(item);
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}
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else if (id.Impassable || id.Surface && (id.Flags & TileFlag.Background) == 0)
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{
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return HousePlacementResult.BadItem; // Broke rule #2
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}
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}
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/*else if (isFoundation && !hasSurface && (id.Flags & TileFlag.Surface) != 0 && (item.Z + id.CalcHeight) == center.Z)
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{
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hasSurface = true;
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}*/
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}
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if (isFoundation && !hasSurface)
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{
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return HousePlacementResult.NoSurface; // Broke rule #4
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}
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for (var j = 0; j < mobiles.Count; ++j)
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{
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var m = mobiles[j];
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if (addTileTop > m.Z && m.Z + 16 > addTileZ)
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{
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toMove.Add(m);
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}
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}
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}
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for (var i = 0; i < m_RoadIDs.Length; i += 2)
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{
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if (landID >= m_RoadIDs[i] && landID <= m_RoadIDs[i + 1])
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{
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return HousePlacementResult.BadLand; // Broke rule #5
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}
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}
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if (hasFoundation)
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{
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for (var xOffset = -1; xOffset <= 1; ++xOffset)
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{
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for (var yOffset = -YardSize; yOffset <= YardSize; ++yOffset)
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{
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var yardPoint = new Point2D(tileX + xOffset, tileY + yOffset);
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if (!yard.Contains(yardPoint))
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{
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yard.Add(yardPoint);
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}
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}
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}
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for (var xOffset = -1; xOffset <= 1; ++xOffset)
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{
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for (var yOffset = -1; yOffset <= 1; ++yOffset)
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{
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if (xOffset == 0 && yOffset == 0)
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{
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continue;
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}
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// To ease this rule, we will not add to the border list if the tile here is under a base floor (z<=8)
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var vx = x + xOffset;
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var vy = y + yOffset;
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if (vx >= 0 && vx < mcl.Width && vy >= 0 && vy < mcl.Height)
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{
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var breakTiles = mcl.Tiles[vx][vy];
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var shouldBreak = false;
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for (var i = 0; !shouldBreak && i < breakTiles.Length; ++i)
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{
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var breakTile = breakTiles[i];
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if (breakTile.Height == 0 && breakTile.Z <= 8 &&
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TileData.ItemTable[breakTile.ID & TileData.MaxItemValue].Surface)
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{
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shouldBreak = true;
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}
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}
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if (shouldBreak)
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{
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continue;
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}
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}
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var borderPoint = new Point2D(tileX + xOffset, tileY + yOffset);
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if (!borders.Contains(borderPoint))
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{
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borders.Add(borderPoint);
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}
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}
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}
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}
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}
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}
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for (var i = 0; i < borders.Count; ++i)
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{
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var borderPoint = borders[i];
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var landTile = map.Tiles.GetLandTile(borderPoint.X, borderPoint.Y);
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var landID = landTile.ID & TileData.MaxLandValue;
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if ((TileData.LandTable[landID].Flags & TileFlag.Impassable) != 0)
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{
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return HousePlacementResult.BadLand;
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}
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for (var j = 0; j < m_RoadIDs.Length; j += 2)
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{
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if (landID >= m_RoadIDs[j] && landID <= m_RoadIDs[j + 1])
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{
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return HousePlacementResult.BadLand; // Broke rule #5
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}
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}
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var tiles = map.Tiles.GetStaticTiles(borderPoint.X, borderPoint.Y, true);
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for (var j = 0; j < tiles.Length; ++j)
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{
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var tile = tiles[j];
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var id = TileData.ItemTable[tile.ID & TileData.MaxItemValue];
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if (id.Impassable || id.Surface && (id.Flags & TileFlag.Background) == 0 &&
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tile.Z + id.CalcHeight > center.Z + 2)
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{
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return HousePlacementResult.BadStatic; // Broke rule #1
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}
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}
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var sector = map.GetSector(borderPoint.X, borderPoint.Y);
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var sectorItems = sector.Items;
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for (var j = 0; j < sectorItems.Count; ++j)
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{
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var item = sectorItems[j];
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if (item.X != borderPoint.X || item.Y != borderPoint.Y || item.Movable)
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{
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continue;
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}
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var id = item.ItemData;
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if (id.Impassable || id.Surface && (id.Flags & TileFlag.Background) == 0 &&
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item.Z + id.CalcHeight > center.Z + 2)
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{
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return HousePlacementResult.BadItem; // Broke rule #1
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}
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}
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}
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var _sectors = new List<Sector>();
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var _houses = new List<BaseHouse>();
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for (var i = 0; i < yard.Count; i++)
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{
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var sector = map.GetSector(yard[i]);
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if (!_sectors.Contains(sector))
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{
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_sectors.Add(sector);
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for (var j = 0; j < sector.Multis?.Count; j++)
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{
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if (sector.Multis[j] is BaseHouse)
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{
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var _house = (BaseHouse)sector.Multis[j];
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if (!_houses.Contains(_house))
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{
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_houses.Add(_house);
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}
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}
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}
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}
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}
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for (var i = 0; i < yard.Count; ++i)
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{
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foreach (var b in _houses)
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{
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if (b.Contains(yard[i]))
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{
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return HousePlacementResult.BadStatic; // Broke rule #3
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}
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}
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}
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/*Point2D yardPoint = yard[i];
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IPooledEnumerable eable = map.GetMultiTilesAt( yardPoint.X, yardPoint.Y );
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foreach ( StaticTile[] tile in eable )
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{
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for ( int j = 0; j < tile.Length; ++j )
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{
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if ((TileData.ItemTable[tile[j].ID & TileData.MaxItemValue].Flags & (TileFlag.Impassable | TileFlag.Surface)) != 0)
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{
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eable.Free();
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return HousePlacementResult.BadStatic; // Broke rule #3
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}
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}
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}
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eable.Free();*/
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return HousePlacementResult.Valid;
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}
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}
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}
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