Add utility AI (#806)

Co-authored-by: Pieter-Jan Briers <pieterjan.briers@gmail.com> Co-authored-by: Metal Gear Sloth <metalgearsloth@gmail.com> Co-authored-by: Pieter-Jan Briers <pieterjan.briers+git@gmail.com>
2020-06-18 22:52:44 +10:00
parent 9b8cedf6c6
commit 5391d3c72a
211 changed files with 10335 additions and 527 deletions
--- a/Content.Server/AI/Operators/Movement/MoveToGridOperator.cs
+++ b/Content.Server/AI/Operators/Movement/MoveToGridOperator.cs
@@ -0,0 +1,94 @@
+using Content.Server.GameObjects.EntitySystems.JobQueues;
+using Robust.Shared.Interfaces.GameObjects;
+using Robust.Shared.Interfaces.Map;
+using Robust.Shared.IoC;
+using Robust.Shared.Map;
+
+namespace Content.Server.AI.Operators.Movement
+{
+    public class MoveToGridOperator : BaseMover
+    {
+        private IMapManager _mapManager;
+        private float _desiredRange;
+
+        public MoveToGridOperator(
+            IEntity owner,
+            GridCoordinates gridPosition,
+            float desiredRange = 1.5f)
+        {
+            Setup(owner);
+            TargetGrid = gridPosition;
+            _mapManager = IoCManager.Resolve<IMapManager>();
+            PathfindingProximity = 0.2f; // Accept no substitutes
+            _desiredRange = desiredRange;
+        }
+
+        public void UpdateTarget(GridCoordinates newTarget)
+        {
+            TargetGrid = newTarget;
+            HaveArrived();
+            GetRoute();
+        }
+
+        public override Outcome Execute(float frameTime)
+        {
+            var baseOutcome = base.Execute(frameTime);
+
+            if (baseOutcome == Outcome.Failed ||
+                TargetGrid.GridID != Owner.Transform.GridID)
+            {
+                HaveArrived();
+                return Outcome.Failed;
+            }
+
+            if (RouteJob != null)
+            {
+                if (RouteJob.Status != JobStatus.Finished)
+                {
+                    return Outcome.Continuing;
+                }
+                ReceivedRoute();
+                return Route.Count == 0 ? Outcome.Failed : Outcome.Continuing;
+            }
+
+            var targetRange = (TargetGrid.Position - Owner.Transform.GridPosition.Position).Length;
+
+            // We there
+            if (targetRange <= _desiredRange)
+            {
+                HaveArrived();
+                return Outcome.Success;
+            }
+
+            // No route
+            if (Route.Count == 0 && RouteJob == null)
+            {
+                GetRoute();
+                return Outcome.Continuing;
+            }
+
+            AntiStuck(frameTime);
+
+            if (IsStuck)
+            {
+                return Outcome.Continuing;
+            }
+
+            if (TryMove())
+            {
+                return Outcome.Continuing;
+            }
+
+            if (Route.Count == 0 && targetRange > 1.5f)
+            {
+                HaveArrived();
+                return Outcome.Failed;
+            }
+
+            var nextTile = Route.Dequeue();
+            NextTile();
+            NextGrid = _mapManager.GetGrid(nextTile.GridIndex).GridTileToLocal(nextTile.GridIndices);
+            return Outcome.Continuing;
+        }
+    }
+}