Added AddScrap callback

Author: VTrider

ExtraUtilities.vcxproj

@@ -138,6 +138,7 @@
     </Link>
   </ItemDefinitionGroup>
   <ItemGroup>
+    <ClCompile Include="src\AddScrapCallback.cpp" />
     <ClCompile Include="src\BulletHitCallback.cpp" />
     <ClCompile Include="src\BulletInitCallback.cpp" />
     <ClCompile Include="src\Camera.cpp" />
@@ -164,6 +165,7 @@
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="src\About.h" />
+    <ClInclude Include="src\AddScrapCallback.h" />
     <ClInclude Include="src\BulletHitCallback.h" />
     <ClInclude Include="src\BulletInitCallback.h" />
     <ClInclude Include="src\BZR.h" />

ExtraUtilities.vcxproj.filters

@@ -99,6 +99,9 @@
     <ClCompile Include="src\OrdnanceVelocity.cpp">
       <Filter>Source Files\Patches</Filter>
     </ClCompile>
+    <ClCompile Include="src\AddScrapCallback.cpp">
+      <Filter>Source Files\Patches</Filter>
+    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="src\About.h">
@@ -194,5 +197,8 @@
     <ClInclude Include="src\Ogre.h">
       <Filter>Header Files</Filter>
     </ClInclude>
+    <ClInclude Include="src\AddScrapCallback.h">
+      <Filter>Header Files\Patches</Filter>
+    </ClInclude>
   </ItemGroup>
 </Project>

src/AddScrapCallback.cpp

@@ -0,0 +1,80 @@
+/* Copyright (C) 2023-2025 VTrider
+ *
+ * This file is part of Extra Utilities.
+ *
+ * Extra Utilities is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as published by the
+ * Free Software Foundation, either version 3 of the License, or (at your
+ * option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+ * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
+ * details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "AddScrapCallback.h"
+
+#include "Hook.h"
+#include "LuaState.h"
+
+namespace ExtraUtilities::Patch
+{
+	static void __cdecl LuaCallback(uint32_t teamNumber, uint32_t scrapAmount)
+	{
+		lua_State* L = Lua::state;
+
+		lua_getglobal(L, "exu");
+		lua_getfield(L, -1, "AddScrap");
+
+		if (!lua_isfunction(L, -1))
+		{
+			return;
+		}
+
+		lua_pushinteger(L, teamNumber);
+		lua_pushinteger(L, scrapAmount);
+
+		lua_call(L, 2, 0);
+
+		lua_pop(L, -1);
+	}
+
+	static void __declspec(naked) AddScrapCallback()
+	{
+		__asm
+		{
+			/*
+			* Notes:
+			* 
+			* Team object in ecx
+			* team number in ecx+0x180
+			* 
+			* Scrap amount to add in param 1/ebp+0x08
+			*/
+
+			// Game code - side note why tf is it doing this lol
+			mov [ebp-0x04], ecx
+			mov ecx, [ebp-0x04]
+
+			pushad
+			pushfd
+
+			mov eax, [ebp+0x08] // scrap amount
+			push eax
+			mov ecx, [ecx+0x180] // team number
+			push ecx
+			call LuaCallback
+			add esp, 0x08
+
+			popfd
+			popad
+		
+			ret
+		}
+	}
+	Hook addScrapHook(addScrap, &AddScrapCallback, 6, BasicPatch::Status::ACTIVE);
+}

src/AddScrapCallback.h

@@ -0,0 +1,26 @@
+/* Copyright (C) 2023-2025 VTrider
+ *
+ * This file is part of Extra Utilities.
+ *
+ * Extra Utilities is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as published by the
+ * Free Software Foundation, either version 3 of the License, or (at your
+ * option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+ * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
+ * details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#pragma once
+
+#include <cstdint>
+
+namespace ExtraUtilities::Patch
+{
+	constexpr uintptr_t addScrap = 0x005E1016;
+}