Hackfix for RegisterCallbacks.

libmulti.gmx/extensions/libmulti.extension.gmx

@@ -45,6 +45,20 @@
       </ConfigOptions>
       <ProxyFiles/>
       <functions>
+        <function>
+          <name>RegisterCallbacks</name>
+          <externalName>RegisterCallbacks</externalName>
+          <kind>1</kind>
+          <help>RegisterCallbacks(please, dont, call, it) : Do not call this function at all.</help>
+          <returnType>1</returnType>
+          <argCount>4</argCount>
+          <args>
+            <arg>1</arg>
+            <arg>1</arg>
+            <arg>1</arg>
+            <arg>1</arg>
+          </args>
+        </function>
         <function>
           <name>libmulti_init</name>
           <externalName>libmulti_init</externalName>

libmulti/libmulti.cpp

@@ -378,11 +378,12 @@ static LRESULT WINAPI WindowProc(HWND hWnd, UINT Msg, WPARAM wParam, LPARAM lPar
 	return ret;
 }
 
-dllx void RegisterCallbacks(char* p1, char* p2, char* p3, char* p4) {
+dllx char* RegisterCallbacks(char* p1, char* p2, char* p3, char* p4) {
 	CBDispatch = reinterpret_cast<CBDispatch_t>(p1);
 	CBCreateDsMap = reinterpret_cast<CBCreateDsMap_t>(p2);
 	CBDsMapAddReal = reinterpret_cast<CBDsMapAddReal_t>(p3);
 	CBDsMapAddString = reinterpret_cast<CBDsMapAddString_t>(p4);
+	return nullptr; // TODO: Change this when GmxGen updates.
 }
 
 dllx double libmulti_init() {

libmulti/libmulti.h

@@ -35,6 +35,8 @@ void libmulti_legacy_mutex_quit();
 /* GmxGen stuff below, change as needed: */
 #define dllx extern "C" __declspec(dllexport)
 
+/// Do not call this function at all.
+dllx char* RegisterCallbacks(char* please, char* dont, char* call, char* it);
 ///->real : Initializes the library.
 dllx double libmulti_init();
 ///->real : Destroys all windows and frees the library resources.