OnEntityCreated hooks

Game.Client/C_BaseEntity.cs

@@ -1474,6 +1474,7 @@ public virtual void Dispose() {
 
 	double flSpawnTime;
 	double LastMessageTime;
+	bool LuaEntityCreatedCalled;
 
 	public void MoveToLastReceivedPosition(bool force = false) {
 		if (force || (RenderFx)RenderFX != RenderFx.Ragdoll) {
@@ -1571,6 +1572,11 @@ public virtual void PostDataUpdate(DataUpdateType updateType) {
 			UpdateVisibility();
 		if (OldShouldDraw != ShouldDraw())
 			UpdateVisibility();
+
+		if (updateType == DataUpdateType.Created && GetRefEHandle().Index != Constants.INVALID_EHANDLE_INDEX && !LuaEntityCreatedCalled) {
+			LuaEntityCreatedCalled = true;
+			garrysmod.EntityCreated(this);
+		}
 	}
 	public ReadOnlySpan<char> GetModelName() => ModelName.SliceNullTerminatedString();
 	public void AllocateIntermediateData() {
@@ -1798,6 +1804,11 @@ public bool InitializeAsClientEntityByIndex(int index, RenderGroup renderGroup)
 
 		SpawnClientEntity();
 
+		if (!LuaEntityCreatedCalled) {
+			LuaEntityCreatedCalled = true;
+			garrysmod.EntityCreated(this);
+		}
+
 		return true;
 	}
 

Game.Server/MapEntities.cs

@@ -53,6 +53,8 @@ public static class MapEntities
 
 		BaseEntity? entity = (BaseEntity?)network.GetBaseEntity();
 		Assert(entity);
+		if (entity != null && entity.GetRefEHandle().Index != Constants.INVALID_EHANDLE_INDEX)
+			garrysmod.EntityCreated(entity);
 		return entity;
 	}
 

Game.Server/Util.cs

@@ -537,18 +537,26 @@ public static void TransmitShakeEvent(BasePlayer player, float localAmplitude, f
 	}
 
 	public static void PrecacheOther(ReadOnlySpan<char> className, ReadOnlySpan<char> modelName = default) {
+		bool precaching = s_RemoveImmediateSemaphore == 0;
+		if (precaching)
+			Game.Client.GarrysMod.GarrysMod.g_GModPrecaching++;
+		if (Game.Client.GarrysMod.GarrysMod.g_GModPrecaching > 0x20)
+			Error("Something seems to have gone wroong");
+
 		BaseEntity? entity = CreateEntityByName(className);
-		if (entity == null) {
+		if (entity == null)
 			Warning("NULL Ent in Util.PrecacheOther\n");
-			return;
-		}
+		else {
+			// If we have a specified model, set it before calling precache
+			if (!modelName.IsStringEmpty)
+				entity.SetModelName(modelName);
 
-		// If we have a specified model, set it before calling precache
-		if (!modelName.IsStringEmpty)
-			entity.SetModelName(modelName);
+			entity.Precache();
+			Util.RemoveImmediate(entity);
+		}
 
-		entity.Precache();
-		Util.RemoveImmediate(entity);
+		if (precaching)
+			Game.Client.GarrysMod.GarrysMod.g_GModPrecaching--;
 	}
 
 	public static void ClientPrintFilter<Filter>(scoped in Filter filter, HudPrint dest, ReadOnlySpan<char> msgName, ReadOnlySpan<char> param1 = default, ReadOnlySpan<char> param2 = default, ReadOnlySpan<char> param3 = default, ReadOnlySpan<char> param4 = default) where Filter : IRecipientFilter {

Game.Shared/GarrysMod/GarrysMod.cs

@@ -576,6 +576,38 @@ public void StartVideoScale(int unk1, int unk2) {
 		throw new NotImplementedException();
 	}
 
+	public static sbyte g_GModPrecaching;
+
+	public static void ResetLuaIteratorEntityCache(BaseEntity ent) {
+		if (g_Lua == null || g_Lua.Global() == null)
+			return;
+
+		LuaObject invalidate = new();
+		g_Lua.Global().GetMember("InvalidateInternalEntityCache", invalidate);
+		if (invalidate.isFunction()) {
+			invalidate.Push();
+			g_Lua.PushBool(ent.IsPlayer());
+			g_Lua.CallInternalNoReturns(1);
+		}
+		invalidate.UnReference();
+	}
+
+	public void EntityCreated(BaseEntity? ent) {
+		if (g_Lua == null || gGM == null || ent == null || g_GModPrecaching != 0)
+			return;
+
+		ResetLuaIteratorEntityCache(ent);
+		if (gGM == null || !gGM.CallWithArgs((int)LUA_POOLEDSTRING.OnEntityCreated))
+			return;
+
+#if CLIENT_DLL
+		LuaEntity.Push_Entity(ent);
+#else
+		Game.Server.GarrysMod.LuaEntity.Push_Entity(ent);
+#endif
+		gGM.CallNoReturns(1);
+	}
+
 	public void Think() {
 		if (g_Lua != null) {
 			// CheckForFilesystemChanges();

Game.Shared/PrecacheRegister.cs

@@ -36,8 +36,15 @@ public PrecacheRegister(PrecacheFn fn, object? userdata) {
 	public PrecacheRegister? Next;
 
 	public static void Precache() {
+#if GAME_DLL || CLIENT_DLL
+		if (++Game.Client.GarrysMod.GarrysMod.g_GModPrecaching > 0x20)
+			Error("Something seems to have gone wrong");
+#endif
 		for (PrecacheRegister? cur = PrecacheRegisters; cur != null; cur = cur.Next)
 			cur.Fn(cur.User);
+#if GAME_DLL || CLIENT_DLL
+		Game.Client.GarrysMod.GarrysMod.g_GModPrecaching--;
+#endif
 	}
 
 	public static void PrecacheFn_Other(object? userdata) {