Convert non-CM spawn items in MP to be one-time sync'd spew pickup

GameMod/GameMod.csproj

@@ -138,6 +138,7 @@
     <Compile Include="MPErrorSmoothingFix.cs" />
     <Compile Include="MPFixGhostProjectiles.cs" />
     <Compile Include="MPHUDMessage.cs" />
+    <Compile Include="MPItemSpawns.cs" />
     <Compile Include="MPLongPwd.cs" />
     <Compile Include="MPMatchPresets.cs" />
     <Compile Include="MPMatchTimeLimits.cs" />

GameMod/MPItemSpawns.cs

@@ -0,0 +1,34 @@
+using HarmonyLib;
+using Overload;
+using UnityEngine;
+
+namespace GameMod
+{
+
+    /// <summary>
+    /// Issue 200
+    /// In multiplayer, non-CM item spawns cause unexpected behavior due to being unsync'd (e.g. Ascent health orbs).  Destroy these items and respawn as single-use sync'd spew.
+    /// </summary>
+    [HarmonyPatch(typeof(UpdateDynamicManager), "AddItem")]
+    public class UpdateDynamicManager_AddItem
+    {
+        static bool Prefix(Item item)
+        {
+            if (GameplayManager.IsMultiplayerActive)
+            {
+                if (item.netId.Value <= 0)
+                {
+                    UnityEngine.Object.Destroy(item.c_go);
+                    if (GameplayManager.IsDedicatedServer())
+                    {
+                        Item.Spew(item.c_go, item.c_transform.position, default(Vector3), -1, item.m_super);
+                    }
+                    return false;
+                }
+            }
+
+            return true;
+        }
+    }
+
+}