riversong code showcase

2026-05-21 15:52:18 +02:00
commit 4c9eea1c02
462 changed files with 23406 additions and 0 deletions
--- a/Source/Riversong/Game/World/Agents/Critters/CritterSpawnSystem.cs
+++ b/Source/Riversong/Game/World/Agents/Critters/CritterSpawnSystem.cs
@@ -0,0 +1,80 @@
+using Unity.Mathematics;
+using UnityEngine;
+using UnityEngine.Pool;
+using Random = UnityEngine.Random;
+
+namespace DanieleMarotta.RiversongCodeShowcase
+{
+    [GameSystemGroup(typeof(EarlyAgentsSystemGroup))]
+    public class CritterSpawnSystem : GameSystem, IUpdatable
+    {
+        [InjectService]
+        private World _world;
+
+        [InjectService]
+        private IEntityCollection _entityCollection;
+
+        [InjectService]
+        private IAgentFactory _agentFactory;
+
+        [InjectService]
+        private ITileSpace _tileSpace;
+
+        public CritterSpawnSystem(IServiceLocator serviceLocator) : base(serviceLocator)
+        {
+        }
+
+        public void Update()
+        {
+            foreach (CritterHerd herd in _entityCollection.GetInternalEntityList(typeof(CritterHerd)))
+            {
+                ref var agentSourceState = ref herd.GetAgentSourceStateRW();
+
+                if (agentSourceState.AgentCount[(int)AgentJob.None] >= herd.MaxCritterCount)
+                {
+                    herd.SpawnTimer = float.MinValue;
+                    continue;
+                }
+
+                var critterDefinition = herd.CritterDefinition;
+
+                if (herd.SpawnTimer < 0) herd.SpawnTimer = Random.Range(critterDefinition.MinSpawningInterval, critterDefinition.MaxSpawningInterval);
+
+                herd.SpawnTimer -= Time.deltaTime;
+                if (herd.SpawnTimer <= 0)
+                {
+                    herd.SpawnTimer = float.MinValue;
+
+                    var wanderingRadius = critterDefinition.AgentDefinition.WanderingRadius;
+                    if (!TryFindRandomFreeTile(herd.Center - wanderingRadius, herd.Center + wanderingRadius, out var tile)) continue;
+
+                    var position = _tileSpace.TileToWorld(tile);
+                    var critter = _agentFactory.CreateCritter(critterDefinition, herd, position);
+                    critter.WanderingCenter = tile;
+
+                    ref var intentQueue = ref critter.GetIntentQueueRW();
+                    intentQueue.EnqueueIntent(AgentIntent.MakeLive());
+                    IntentQueue.LoopWandering(ref intentQueue, 0);
+                }
+            }
+        }
+
+        private bool TryFindRandomFreeTile(int2 min, int2 max, out int2 tile)
+        {
+            using var candidatesScope = ListPool<int2>.Get(out var candidates);
+
+            foreach (var candidate in TileRange.From(min, max))
+                if (!_world.BlockMap.IsBlocked(candidate, BlockReason.BlocksAgents))
+                    candidates.Add(candidate);
+
+            if (candidates.Count == 0)
+            {
+                tile = int2.zero;
+                return false;
+            }
+
+            tile = candidates[Random.Range(0, candidates.Count)];
+            return true;
+        }
+    }
+}