Add RoomFill markers (#22293)
* Add RoomFill markers * weh * Also deez * Working * Randomised fills working * Fixes * Fix lack of prototypes * Fix tests * Fix tests?
This commit is contained in:
metalgearsloth
240
Content.Server/Procedural/DungeonSystem.Rooms.cs
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240
Content.Server/Procedural/DungeonSystem.Rooms.cs
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using System.Numerics;
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using Content.Shared.Decals;
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using Content.Shared.Procedural;
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using Content.Shared.Random.Helpers;
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using Content.Shared.Whitelist;
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using Robust.Shared.Map;
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using Robust.Shared.Map.Components;
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using Robust.Shared.Utility;
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namespace Content.Server.Procedural;
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public sealed partial class DungeonSystem
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{
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// Temporary caches.
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private readonly HashSet<EntityUid> _entitySet = new();
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private readonly List<DungeonRoomPrototype> _availableRooms = new();
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/// <summary>
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/// Gets a random dungeon room matching the specified area and whitelist.
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/// </summary>
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public DungeonRoomPrototype? GetRoomPrototype(Vector2i size, Random random, EntityWhitelist? whitelist = null)
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{
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// Can never be true.
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if (whitelist is { Tags: null })
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{
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return null;
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}
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_availableRooms.Clear();
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foreach (var proto in _prototype.EnumeratePrototypes<DungeonRoomPrototype>())
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{
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if (proto.Size != size)
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continue;
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if (whitelist == null)
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{
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_availableRooms.Add(proto);
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continue;
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}
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foreach (var tag in whitelist.Tags)
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{
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if (!proto.Tags.Contains(tag))
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continue;
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_availableRooms.Add(proto);
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break;
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}
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}
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if (_availableRooms.Count == 0)
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return null;
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var room = _availableRooms[random.Next(_availableRooms.Count)];
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return room;
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}
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public void SpawnRoom(
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EntityUid gridUid,
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MapGridComponent grid,
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Vector2i origin,
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DungeonRoomPrototype room,
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Random random,
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bool clearExisting = false,
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bool rotation = false)
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{
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var originTransform = Matrix3.CreateTranslation(origin);
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SpawnRoom(gridUid, grid, originTransform, room, random, clearExisting, rotation);
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}
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public void SpawnRoom(
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EntityUid gridUid,
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MapGridComponent grid,
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Matrix3 transform,
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DungeonRoomPrototype room,
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Random random,
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bool clearExisting = false,
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bool rotation = false)
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{
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// Ensure the underlying template exists.
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var roomMap = GetOrCreateTemplate(room);
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var templateMapUid = _mapManager.GetMapEntityId(roomMap);
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var templateGrid = Comp<MapGridComponent>(templateMapUid);
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var roomRotation = Angle.Zero;
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var roomDimensions = room.Size;
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if (rotation)
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{
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if (roomDimensions.X == roomDimensions.Y)
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{
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// Give it a random rotation
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roomRotation = random.Next(4) * Math.PI / 2;
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}
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else if (random.Next(2) == 1)
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{
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roomRotation += Math.PI;
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}
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}
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var roomTransform = Matrix3.CreateTransform((Vector2) room.Size / 2f, roomRotation);
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Matrix3.Multiply(roomTransform, transform, out var finalTransform);
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var finalRoomRotation = finalTransform.Rotation();
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// go BRRNNTTT on existing stuff
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if (clearExisting)
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{
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var gridBounds = new Box2(transform.Transform(Vector2.Zero), transform.Transform(room.Size));
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_entitySet.Clear();
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// Polygon skin moment
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gridBounds = gridBounds.Enlarged(-0.05f);
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_lookup.GetLocalEntitiesIntersecting(gridUid, gridBounds, _entitySet, LookupFlags.Uncontained);
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foreach (var templateEnt in _entitySet)
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{
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Del(templateEnt);
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}
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if (TryComp(gridUid, out DecalGridComponent? decalGrid))
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{
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foreach (var decal in _decals.GetDecalsIntersecting(gridUid, gridBounds, decalGrid))
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{
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_decals.RemoveDecal(gridUid, decal.Index, decalGrid);
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}
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}
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}
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var roomCenter = (room.Offset + room.Size / 2f) * grid.TileSize;
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var tileOffset = -roomCenter + grid.TileSizeHalfVector;
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_tiles.Clear();
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// Load tiles
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for (var x = 0; x < roomDimensions.X; x++)
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{
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for (var y = 0; y < roomDimensions.Y; y++)
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{
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var indices = new Vector2i(x + room.Offset.X, y + room.Offset.Y);
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var tileRef = _maps.GetTileRef(templateMapUid, templateGrid, indices);
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var tilePos = finalTransform.Transform(indices + tileOffset);
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var rounded = tilePos.Floored();
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_tiles.Add((rounded, tileRef.Tile));
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}
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}
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var bounds = new Box2(room.Offset, room.Offset + room.Size);
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_maps.SetTiles(gridUid, grid, _tiles);
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// Load entities
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// TODO: I don't think engine supports full entity copying so we do this piece of shit.
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foreach (var templateEnt in _lookup.GetEntitiesIntersecting(templateMapUid, bounds, LookupFlags.Uncontained))
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{
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var templateXform = _xformQuery.GetComponent(templateEnt);
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var childPos = finalTransform.Transform(templateXform.LocalPosition - roomCenter);
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var childRot = templateXform.LocalRotation + finalRoomRotation;
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var protoId = _metaQuery.GetComponent(templateEnt).EntityPrototype?.ID;
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// TODO: Copy the templated entity as is with serv
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var ent = Spawn(protoId, new EntityCoordinates(gridUid, childPos));
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var childXform = _xformQuery.GetComponent(ent);
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var anchored = templateXform.Anchored;
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_transform.SetLocalRotation(ent, childRot, childXform);
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// If the templated entity was anchored then anchor us too.
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if (anchored && !childXform.Anchored)
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_transform.AnchorEntity(ent, childXform, grid);
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else if (!anchored && childXform.Anchored)
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_transform.Unanchor(ent, childXform);
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}
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// Load decals
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if (TryComp<DecalGridComponent>(templateMapUid, out var loadedDecals))
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{
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EnsureComp<DecalGridComponent>(gridUid);
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foreach (var (_, decal) in _decals.GetDecalsIntersecting(templateMapUid, bounds, loadedDecals))
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{
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// Offset by 0.5 because decals are offset from bot-left corner
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// So we convert it to center of tile then convert it back again after transform.
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// Do these shenanigans because 32x32 decals assume as they are centered on bottom-left of tiles.
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var position = finalTransform.Transform(decal.Coordinates + Vector2Helpers.Half - roomCenter);
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position -= Vector2Helpers.Half;
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// Umm uhh I love decals so uhhhh idk what to do about this
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var angle = (decal.Angle + finalRoomRotation).Reduced();
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// Adjust because 32x32 so we can't rotate cleanly
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// Yeah idk about the uhh vectors here but it looked visually okay but they may still be off by 1.
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// Also EyeManager.PixelsPerMeter should really be in shared.
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if (angle.Equals(Math.PI))
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{
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position += new Vector2(-1f / 32f, 1f / 32f);
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}
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else if (angle.Equals(-Math.PI / 2f))
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{
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position += new Vector2(-1f / 32f, 0f);
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}
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else if (angle.Equals(Math.PI / 2f))
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{
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position += new Vector2(0f, 1f / 32f);
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}
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else if (angle.Equals(Math.PI * 1.5f))
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{
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// I hate this but decals are bottom-left rather than center position and doing the
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// matrix ops is a PITA hence this workaround for now; I also don't want to add a stupid
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// field for 1 specific op on decals
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if (decal.Id != "DiagonalCheckerAOverlay" &&
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decal.Id != "DiagonalCheckerBOverlay")
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{
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position += new Vector2(-1f / 32f, 0f);
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}
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}
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var tilePos = position.Floored();
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// Fallback because uhhhhhhhh yeah, a corner tile might look valid on the original
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// but place 1 nanometre off grid and fail the add.
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if (!_maps.TryGetTileRef(gridUid, grid, tilePos, out var tileRef) || tileRef.Tile.IsEmpty)
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{
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_maps.SetTile(gridUid, grid, tilePos, _tileDefManager.GetVariantTile(FallbackTileId, _random));
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}
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var result = _decals.TryAddDecal(
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decal.Id,
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new EntityCoordinates(gridUid, position),
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out _,
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decal.Color,
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angle,
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decal.ZIndex,
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decal.Cleanable);
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DebugTools.Assert(result);
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}
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}
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}
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}
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