From 9482040d082619a49c04251b21d0a5f9a19e524e Mon Sep 17 00:00:00 2001
From: Dev <dev@dev.sp-tarkov.com>
Date: Mon, 17 Jul 2023 13:11:22 +0100
Subject: [PATCH] Resolve issue with bots spawning well beyond the maxbotcap
 value

---
 .../Aki.SinglePlayer/AkiSingleplayerPlugin.cs |  1 +
 .../RaidFix/SpawnProcessNegativeValuePatch.cs | 41 +++++++++++++++++++
 2 files changed, 42 insertions(+)
 create mode 100644 project/Aki.SinglePlayer/Patches/RaidFix/SpawnProcessNegativeValuePatch.cs

diff --git a/project/Aki.SinglePlayer/AkiSingleplayerPlugin.cs b/project/Aki.SinglePlayer/AkiSingleplayerPlugin.cs
index 8b5f43a..e6e4b5a 100644
--- a/project/Aki.SinglePlayer/AkiSingleplayerPlugin.cs
+++ b/project/Aki.SinglePlayer/AkiSingleplayerPlugin.cs
@@ -50,6 +50,7 @@ namespace Aki.SinglePlayer
                 new SmokeGrenadeFuseSoundFixPatch().Enable();
                 new PlayerToggleSoundFixPatch().Enable();
                 new PluginErrorNotifierPatch().Enable();
+                new SpawnProcessNegativeValuePatch().Enable();
             }
             catch (Exception ex)
             {
diff --git a/project/Aki.SinglePlayer/Patches/RaidFix/SpawnProcessNegativeValuePatch.cs b/project/Aki.SinglePlayer/Patches/RaidFix/SpawnProcessNegativeValuePatch.cs
new file mode 100644
index 0000000..dec3ec5
--- /dev/null
+++ b/project/Aki.SinglePlayer/Patches/RaidFix/SpawnProcessNegativeValuePatch.cs
@@ -0,0 +1,41 @@
+using Aki.Common.Http;
+using Aki.Reflection.Patching;
+using Aki.Reflection.Utils;
+using System.Linq;
+using System.Reflection;
+
+namespace Aki.SinglePlayer.Patches.RaidFix
+{
+    /// <summary>
+    /// Prevent BotSpawnerClass from adjusting the spawn process value to be below 0
+    /// This fixes aiamount = high spawning 80+ bots on maps like streets/customs
+    /// int_0 = all bots alive
+    /// int_1 = followers alive
+    /// int_2 = bosses currently alive
+    /// int_3 = spawn process? - current guess is open spawn positions - bsg doesnt seem to handle negative vaues well
+    /// int_4 = max bots
+    /// </summary>
+    class SpawnProcessNegativeValuePatch : ModulePatch
+    {
+        protected override MethodBase GetTargetMethod()
+        {
+            var desiredType = typeof(BotSpawnerClass);
+            var desiredMethod = desiredType.GetMethod("CheckOnMax", PatchConstants.PublicFlags);
+
+            Logger.LogDebug($"{this.GetType().Name} Type: {desiredType?.Name}");
+            Logger.LogDebug($"{this.GetType().Name} Method: {desiredMethod?.Name}");
+
+            return desiredMethod;
+        }
+
+        [PatchPrefix]
+        private static void PatchPreFix(ref int ___int_3)
+        {
+            // Spawn process
+            if (___int_3 < 0)
+            {
+                ___int_3 = 0;
+            }
+        }
+    }
+}
\ No newline at end of file