More anomalies (#13766)

2023-02-06 00:03:53 -05:00
parent 3656d3cc21
commit f450398df7
41 changed files with 855 additions and 47 deletions
--- a/Content.Server/Anomaly/Effects/FleshAnomalySystem.cs
+++ b/Content.Server/Anomaly/Effects/FleshAnomalySystem.cs
@@ -0,0 +1,97 @@
+using System.Linq;
+using Content.Server.Maps;
+using Content.Shared.Anomaly.Components;
+using Content.Shared.Anomaly.Effects.Components;
+using Content.Shared.Maps;
+using Content.Shared.Physics;
+using Robust.Shared.Map;
+using Robust.Shared.Physics;
+using Robust.Shared.Physics.Components;
+using Robust.Shared.Random;
+
+namespace Content.Server.Anomaly.Effects;
+
+public sealed class FleshAnomalySystem : EntitySystem
+{
+    [Dependency] private readonly IMapManager _map = default!;
+    [Dependency] private readonly IRobustRandom _random = default!;
+    [Dependency] private readonly ITileDefinitionManager _tiledef = default!;
+    [Dependency] private readonly TileSystem _tile = default!;
+
+    /// <inheritdoc/>
+    public override void Initialize()
+    {
+        SubscribeLocalEvent<FleshAnomalyComponent, AnomalyPulseEvent>(OnPulse);
+        SubscribeLocalEvent<FleshAnomalyComponent, AnomalySupercriticalEvent>(OnSupercritical);
+        SubscribeLocalEvent<FleshAnomalyComponent, AnomalyStabilityChangedEvent>(OnSeverityChanged);
+    }
+
+    private void OnPulse(EntityUid uid, FleshAnomalyComponent component, ref AnomalyPulseEvent args)
+    {
+        var range = component.SpawnRange * args.Stability;
+        var amount = (int) (component.MaxSpawnAmount * args.Severity + 0.5f);
+
+        var xform = Transform(uid);
+        SpawnMonstersOnOpenTiles(component, xform, amount, range);
+    }
+
+    private void OnSupercritical(EntityUid uid, FleshAnomalyComponent component, ref AnomalySupercriticalEvent args)
+    {
+        var xform = Transform(uid);
+        SpawnMonstersOnOpenTiles(component, xform, component.MaxSpawnAmount, component.SpawnRange);
+        Spawn(component.SupercriticalSpawn, xform.Coordinates);
+    }
+
+    private void OnSeverityChanged(EntityUid uid, FleshAnomalyComponent component, ref AnomalyStabilityChangedEvent args)
+    {
+        var xform = Transform(uid);
+        if (!_map.TryGetGrid(xform.GridUid, out var grid))
+            return;
+
+        var radius = component.SpawnRange * args.Stability;
+        var fleshTile = (ContentTileDefinition) _tiledef[component.FleshTileId];
+        var localpos = xform.Coordinates.Position;
+        var tilerefs = grid.GetLocalTilesIntersecting(
+            new Box2(localpos + (-radius, -radius), localpos + (radius, radius)));
+        foreach (var tileref in tilerefs)
+        {
+            if (!_random.Prob(0.33f))
+                continue;
+            _tile.ReplaceTile(tileref, fleshTile);
+        }
+    }
+
+    private void SpawnMonstersOnOpenTiles(FleshAnomalyComponent component, TransformComponent xform, int amount, float radius)
+    {
+        if (!_map.TryGetGrid(xform.GridUid, out var grid))
+            return;
+
+        var localpos = xform.Coordinates.Position;
+        var tilerefs = grid.GetLocalTilesIntersecting(
+            new Box2(localpos + (-radius, -radius), localpos + (radius, radius))).ToArray();
+        _random.Shuffle(tilerefs);
+        var physQuery = GetEntityQuery<PhysicsComponent>();
+        var amountCounter = 0;
+        foreach (var tileref in tilerefs)
+        {
+            var valid = true;
+            foreach (var ent in grid.GetAnchoredEntities(tileref.GridIndices))
+            {
+                if (!physQuery.TryGetComponent(ent, out var body))
+                    continue;
+                if (body.BodyType != BodyType.Static ||
+                    !body.Hard ||
+                    (body.CollisionLayer & (int) CollisionGroup.Impassable) == 0)
+                    continue;
+                valid = false;
+                break;
+            }
+            if (!valid)
+                continue;
+            amountCounter++;
+            Spawn(_random.Pick(component.Spawns), tileref.GridIndices.ToEntityCoordinates(xform.GridUid.Value, _map));
+            if (amountCounter >= amount)
+                return;
+        }
+    }
+}