//
// Common functions for Object DLL capabilities
// C. Beaudet
//

#include "stdafx.h"
#include "afxdllx.h"    
#include "ACP_Base.h"
#include "ITF.h"
#include "SNinterf.hpp"
#include "x:\cpa\main\inc\_editid.h"


//------------------------------------------------------------------------
// Global vars
static char                         *gs_p_szCPAVersion = C_szCPAVersion;
static AFX_EXTENSION_MODULE NEAR    extensionDLL = { NULL, NULL };

#ifdef DLL_ONLY_ONE_INSTANCE
static SNDEDIT_Interface g_oSNDEDITInterface; 
/*
#else
SNDEDIT_Interface* g_poSNDEDITInterface=NULL; 
*/
#endif

//------------------------------------------------------------------------
// functions that are present in all DLL :
//------------------------------------------------------------------------

static CList<CPA_DLLBase*,CPA_DLLBase*> g_oListOfInstances;	//private internal

//========================================================================
// Get current CPA version
//========================================================================
/*extern "C"*/ char __declspec(dllexport) *fn_p_szGetCPAVersion(void)
{
    return gs_p_szCPAVersion;
}

//========================================================================
// Get type of this DLL
//========================================================================
extern "C" tdstDLLIdentity __declspec(dllexport) *fn_p_stGetDLLIdentity(void)
{
    g_stSNDEDITIdentity . eType                 = TOOL_DLL;
    g_stSNDEDITIdentity . csName                = C_szDLLSoundName;
    g_stSNDEDITIdentity . hModule               = NULL;
    g_stSNDEDITIdentity . p_oListOfInstances    = &g_oListOfInstances;
	return &g_stSNDEDITIdentity;
}



//========================================================================
// DLL int function
//========================================================================
extern "C" void __declspec(dllexport) fn_vInitDll(void)
{
	new CDynLinkLibrary(extensionDLL);
}



//========================================================================
// DLL entry point
//========================================================================
extern "C" int __stdcall DllMain(HINSTANCE hInstance, DWORD dwReason, LPVOID lpReserved)
{
	if (dwReason == DLL_PROCESS_ATTACH)
	{
//		SND_hGlobalInst=hInstance;
		if (!AfxInitExtensionModule(extensionDLL, hInstance))
		   return 0;
	}
	return 1;
}

//========================================================================
// Get the DLL
//========================================================================
extern "C" CPA_ToolDLLBase __declspec(dllexport) *fn_p_oGetDLL(long lKey)
{
#ifdef DLL_ONLY_ONE_INSTANCE

	switch(lKey)
	{
	case 0:	// the game world
		if (g_poSNDEDITInterface == NULL)
		{
			g_poSNDEDITInterface = new SNDEDIT_Interface();
			ASSERT(g_poSNDEDITInterface != NULL);
		}
		return g_poSNDEDITInterface;
		break;

	default:
		return NULL;
	}

#else //DLL_ONLY_ONE_INSTANCE

	switch(lKey)
	{
	case 0:	// the game world
/*
		ASSERT(g_poSNDEDITInterface==NULL);
		g_poSNDEDITInterface=new SNDEDIT_Interface();
		return g_poSNDEDITInterface;
*/
		return new SNDEDIT_Interface();
		break;

	default:
		return NULL;
	}

#endif //DLL_ONLY_ONE_INSTANCE
}








//------------------------------------------------------------------------
// functions that are present in this type of DLL only :
//------------------------------------------------------------------------

#undef DLL_ONLY_ONE_INSTANCE