Initial Combat Implementation

2026-05-31 21:35:12 -07:00
parent 7fa77ce821
commit 1f647dd5e1
166 changed files with 93337 additions and 91 deletions
@@ -0,0 +1,52 @@
+using ProjectM.Simulation;
+using Unity.Burst;
+using Unity.Collections;
+using Unity.Entities;
+using Unity.Mathematics;
+using Unity.Transforms;
+
+namespace ProjectM.Server
+{
+    /// <summary>
+    /// Server-only, one-shot upgrade-pickup spawner (mirrors TrainingDummySpawnSystem). On its first
+    /// update it reads the baked <see cref="UpgradePickupSpawner"/> singleton and instantiates
+    /// <c>Count</c> pickup ghosts in a row, spaced <c>Spacing</c> world-units apart along +X starting at
+    /// <c>Origin</c>, then destroys the singleton so the system idles (spawned exactly once). Runs in the
+    /// default <see cref="SimulationSystemGroup"/> (NOT the prediction loop); pickups replicate to clients
+    /// as interpolated ghosts. Structural changes are batched through an <see cref="EntityCommandBuffer"/>.
+    /// </summary>
+    [BurstCompile]
+    [WorldSystemFilter(WorldSystemFilterFlags.ServerSimulation)]
+    public partial struct UpgradePickupSpawnSystem : ISystem
+    {
+        [BurstCompile]
+        public void OnCreate(ref SystemState state)
+        {
+            state.RequireForUpdate<UpgradePickupSpawner>();
+        }
+
+        [BurstCompile]
+        public void OnUpdate(ref SystemState state)
+        {
+            var spawnerEntity = SystemAPI.GetSingletonEntity<UpgradePickupSpawner>();
+            var spawner = SystemAPI.GetComponent<UpgradePickupSpawner>(spawnerEntity);
+
+            var ecb = new EntityCommandBuffer(Allocator.Temp);
+
+            if (spawner.Prefab != Entity.Null)
+            {
+                for (int i = 0; i < spawner.Count; i++)
+                {
+                    var pickup = ecb.Instantiate(spawner.Prefab);
+                    var position = spawner.Origin + new float3(i * spawner.Spacing, 0f, 0f);
+                    ecb.SetComponent(pickup, LocalTransform.FromPosition(position));
+                }
+            }
+
+            // One-shot: remove the spawner so RequireForUpdate fails and the system idles.
+            ecb.DestroyEntity(spawnerEntity);
+
+            ecb.Playback(state.EntityManager);
+        }
+    }
+}