From db63fdc00c0050b7f83bcd09d0a872442ce66f94 Mon Sep 17 00:00:00 2001
From: Michael Wilson <roflmuffin@users.noreply.github.com>
Date: Wed, 27 Dec 2023 14:32:37 +1000
Subject: [PATCH] feat: add `AcceptInput` method to `CEntityInstance` (#228)

---
 .../counterstrikesharp/gamedata/gamedata.json  |  7 +++++++
 .../Core/Model/CEntityInstance.cs              | 18 ++++++++++++++++++
 .../Modules/Memory/VirtualFunctions.cs         |  3 +++
 managed/TestPlugin/TestPlugin.cs               | 11 +++++++++++
 4 files changed, 39 insertions(+)

diff --git a/configs/addons/counterstrikesharp/gamedata/gamedata.json b/configs/addons/counterstrikesharp/gamedata/gamedata.json
index bef31da1e..8fdf7f78d 100644
--- a/configs/addons/counterstrikesharp/gamedata/gamedata.json
+++ b/configs/addons/counterstrikesharp/gamedata/gamedata.json
@@ -113,6 +113,13 @@
         "linux": "\\x48\\x85\\xFF\\x74\\x4B\\x55\\x48\\x89\\xE5\\x41\\x56"
       }
   },
+  "CEntityInstance_AcceptInput": {
+    "signatures": {
+      "library": "server",
+      "windows": "\\x48\\x89\\x5C\\x24\\x10\\x48\\x89\\x74\\x24\\x18\\x57\\x48\\x83\\xEC\\x40\\x49\\x8B\\xF0",
+      "linux": "\\x55\\x48\\x89\\xE5\\x41\\x57\\x49\\x89\\xFF\\x41\\x56\\x48\\x8D\\x7D\\xC0"
+    }
+  },
   "LegacyGameEventListener": {
     "signatures": {
       "library": "server",
diff --git a/managed/CounterStrikeSharp.API/Core/Model/CEntityInstance.cs b/managed/CounterStrikeSharp.API/Core/Model/CEntityInstance.cs
index ffd8c3392..4d5d74017 100644
--- a/managed/CounterStrikeSharp.API/Core/Model/CEntityInstance.cs
+++ b/managed/CounterStrikeSharp.API/Core/Model/CEntityInstance.cs
@@ -58,6 +58,24 @@ public override int GetHashCode()
     {
         return !Equals(left, right);
     }
+    
+    /// <summary>
+    /// Calls a named input method on an entity.
+    /// <example>
+    /// <code>
+    /// entity.AcceptInput("Break");
+    /// </code>
+    /// </example>
+    /// </summary>
+    /// <param name="inputName">Input action name</param>
+    /// <param name="activator">Entity which initiated the action, <see langword="null"/> for no entity</param>
+    /// <param name="caller">Entity that is sending the event, <see langword="null"/> for no entity</param>
+    /// <param name="value">String variant value to send with the event</param>
+    /// <param name="outputId">Unknown, defaults to 0</param>
+    public void AcceptInput(string inputName, CEntityInstance? activator = null, CEntityInstance? caller = null, string value = "", int outputId = 0)
+    {
+        VirtualFunctions.AcceptInput(Handle, inputName, activator?.Handle ?? IntPtr.Zero, caller?.Handle ?? IntPtr.Zero, value, 0);
+    }
 }
 
 public partial class CEntityIdentity
diff --git a/managed/CounterStrikeSharp.API/Modules/Memory/VirtualFunctions.cs b/managed/CounterStrikeSharp.API/Modules/Memory/VirtualFunctions.cs
index 3b9777e6b..82a072b4e 100644
--- a/managed/CounterStrikeSharp.API/Modules/Memory/VirtualFunctions.cs
+++ b/managed/CounterStrikeSharp.API/Modules/Memory/VirtualFunctions.cs
@@ -80,4 +80,7 @@ public static class VirtualFunctions
     public static MemoryFunctionVoid<IntPtr, IntPtr>  RemovePlayerItemFunc =
         new(GameData.GetSignature("CBasePlayerPawn_RemovePlayerItem"));
     public static Action<IntPtr, IntPtr> RemovePlayerItemVirtual = RemovePlayerItemFunc.Invoke;
+    
+    public static MemoryFunctionVoid<IntPtr, string, IntPtr, IntPtr, string, int> AcceptInputFunc = new(GameData.GetSignature("CEntityInstance_AcceptInput"));
+    public static Action<IntPtr, string, IntPtr, IntPtr, string, int> AcceptInput = AcceptInputFunc.Invoke;
 }
\ No newline at end of file
diff --git a/managed/TestPlugin/TestPlugin.cs b/managed/TestPlugin/TestPlugin.cs
index f737d4c1b..5486748ae 100644
--- a/managed/TestPlugin/TestPlugin.cs
+++ b/managed/TestPlugin/TestPlugin.cs
@@ -501,6 +501,17 @@ public void OnRespawn(CCSPlayerController? player, CommandInfo command)
             player.Respawn();
         }
 
+        [ConsoleCommand("css_break", "Breaks the breakable entities")]
+        public void OnBreakCommand(CCSPlayerController? player, CommandInfo command)
+        {
+            var entities = Utilities.FindAllEntitiesByDesignerName<CBreakable>("prop_dynamic")
+                .Concat(Utilities.FindAllEntitiesByDesignerName<CBreakable>("func_breakable"));
+            foreach (var entity in entities)
+            {
+                entity.AcceptInput("Break");
+            }
+        }
+
         [ConsoleCommand("cssharp_attribute", "This is a custom attribute event")]
         public void OnCommand(CCSPlayerController? player, CommandInfo command)
         {