From bb19a9cbf66a30173a3180ea144791664275c9e6 Mon Sep 17 00:00:00 2001
From: Mitchell Monahan <soccermitchy@gmail.com>
Date: Tue, 20 Dec 2016 17:16:49 -0500
Subject: [PATCH] Add OnNpcVehicleDataUpdate

---
 gtaserver.core/GameServer.cs                  |  9 ++++++
 gtaserver.core/PluginAPI/Events/GameEvents.cs | 28 +++++++++++++++++++
 2 files changed, 37 insertions(+)

diff --git a/gtaserver.core/GameServer.cs b/gtaserver.core/GameServer.cs
index 3a53c5a..f53e5ba 100644
--- a/gtaserver.core/GameServer.cs
+++ b/gtaserver.core/GameServer.cs
@@ -441,6 +441,10 @@ private void HandleClientIncomingData(Client client, NetIncomingMessage msg)
                         var pedPosData = Util.DeserializeBinary<PedData>(msg.ReadBytes(len));
                         if (pedPosData != null)
                         {
+                            var pedPluginResult = GameEvents.PedDataUpdate(client, pedPosData);
+                            if (!pedPluginResult.ContinueServerProc) return;
+                            pedPosData = pedPluginResult.Data;
+
                             pedPosData.Id = client.NetConnection.RemoteUniqueIdentifier;
                             pedPosData.Name = client.DisplayName;
                             pedPosData.Latency = client.Latency;
@@ -457,8 +461,13 @@ private void HandleClientIncomingData(Client client, NetIncomingMessage msg)
                     {
                         var len = msg.ReadInt32();
                         var vehData = Util.DeserializeBinary<VehicleData>(msg.ReadBytes(len));
+
                         if (vehData != null)
                         {
+                            var pluginVehData = GameEvents.NpcVehicleDataUpdate(client, vehData);
+                            if (!pluginVehData.ContinueServerProc) return;
+                            vehData = pluginVehData.Data;
+
                             vehData.Id = client.NetConnection.RemoteUniqueIdentifier;
                             SendToAll(vehData, PacketType.NpcVehPositionData, false, client);
                         }
diff --git a/gtaserver.core/PluginAPI/Events/GameEvents.cs b/gtaserver.core/PluginAPI/Events/GameEvents.cs
index 6039378..d10471c 100644
--- a/gtaserver.core/PluginAPI/Events/GameEvents.cs
+++ b/gtaserver.core/PluginAPI/Events/GameEvents.cs
@@ -93,5 +93,33 @@ public static PluginResponse<PedData> PedDataUpdate(Client c, PedData p)
             }
             return result;
         }
+
+        /// <summary>
+        /// Called on every NPC vehicle update/creation
+        /// </summary>
+        public static List<Func<Client, VehicleData, PluginResponse<VehicleData>>> OnNpcVehicleDataUpdate
+                = new List<Func<Client, VehicleData, PluginResponse<VehicleData>>>();
+        /// <summary>
+        /// Internal method. Triggers OnNpcVehicleDataUpdate
+        /// </summary>
+        /// <param name="c">Client who sent the update</param>
+        /// <param name="v">PedData object</param>
+        /// <returns>A PluginResponse, with the ability to rewrite the received data.</returns>
+        public static PluginResponse<VehicleData> NpcVehicleDataUpdate(Client c, VehicleData v)
+        {
+            var result = new PluginResponse<VehicleData>()
+            {
+                ContinuePluginProc = true,
+                ContinueServerProc = true,
+                Data = v
+            };
+            foreach (var f in OnNpcVehicleDataUpdate)
+            {
+                result = f(c, v);
+                if (!result.ContinuePluginProc) return result;
+                v = result.Data;
+            }
+            return result;
+        }
     }
 }