riversong code showcase

Source/Riversong/Game/World/Agents/Intents/MoveToHarvestPositionIntentExecutionLogic.cs

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+using Cysharp.Threading.Tasks;
+using Unity.Mathematics;
+using UnityEngine;
+using UnityEngine.Pool;
+
+namespace DanieleMarotta.RiversongCodeShowcase
+{
+    public class MoveToHarvestPositionIntentExecutionLogic : IntentExecutionLogic
+    {
+        private GameConfig _config;
+
+        private World _world;
+
+        private IAgentCommonLogic _agentCommonLogic;
+
+        public override UniTask InitializeAsync(IServiceLocator serviceLocator)
+        {
+            _config = serviceLocator.GetService<GameConfig>();
+            _world = serviceLocator.GetService<World>();
+            _agentCommonLogic = serviceLocator.GetService<IAgentCommonLogic>();
+
+            return UniTask.CompletedTask;
+        }
+
+        public override IntentExecutionResult OnStartingIntent(Agent agent, in AgentIntent intent)
+        {
+            ref var path = ref agent.GetPathRW();
+            var tile = path.Steps[^1];
+
+            using var resourceNodesScope = ListPool<(int, bool)>.Get(out var resourceNodeIds);
+            _world.RawResources.GetResourceNodes(TileRect.OneTile(tile), _config.GeneralSettings.BaseElevation, resourceNodeIds);
+
+            if (resourceNodeIds.Count <= 0) return IntentExecutionResult.Failure;
+
+            var (id, _) = resourceNodeIds[0];
+            _world.RawResources.TryGetResourceNode(id, out var resourceNode);
+
+            ref var jobState = ref agent.GetJobStateRW();
+            jobState.Harvester.ResourceNodeId = id;
+            jobState.Harvester.TargetPosition = resourceNode.Position + math.normalizesafe(agent.Position - resourceNode.Position) * intent.GenericFloatParam0;
+
+            return IntentExecutionResult.Success;
+        }
+
+        public override IntentExecutionResult Execute(Agent agent, in AgentIntent intent)
+        {
+            ref var jobState = ref agent.GetJobStateRW();
+
+            var targetReached = _agentCommonLogic.MoveAgent(agent, jobState.Harvester.TargetPosition, Time.deltaTime);
+            if (!targetReached) return IntentExecutionResult.InProgress;
+
+            if (!_world.RawResources.TryGetResourceNode(jobState.Harvester.ResourceNodeId, out var resourceNode)) return IntentExecutionResult.Failure;
+
+            var desiredHeading = math.normalizesafe(resourceNode.Position - agent.Position, agent.Heading);
+            return _agentCommonLogic.UpdateHeading(agent, desiredHeading, Time.deltaTime) ? IntentExecutionResult.Success : IntentExecutionResult.InProgress;
+        }
+    }
+}