/*
 *=======================================================================================
 * Name        : dllcom.cpp
 * Author      : C. Beaudet                  Date :20/05/97
 * Description : Common functions for Object DLL capabilities
 *=======================================================================================
 * Modification -> Author : VL               Date : 20/05/97
 * Description : Common functions for Instanciated Physical Object DLL Test
 *=======================================================================================
 */

/*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/
#include "stdafx.h"
#include "acp_base.h"
#include "afxdllx.h"    
#include "ITF.h"
#include "IPO_intf.hpp"
/*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/


/*
 =======================================================================================
	Globals
 =======================================================================================
 */
static char							*gs_p_szCPAVersion = C_szCPAVersion;
static AFX_EXTENSION_MODULE NEAR    extensionDLL = { NULL, NULL };

static IPOInterface *gs_p_oIPOInterface = NULL;

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

/*
 =======================================================================================
	functions that are present in all DLL :
 =======================================================================================
 */

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

/*
 ----------------------------------------------------------------------------------------
  Description   : Get type of this DLL
  Returns (tdstDLLIdentity )
 ----------------------------------------------------------------------------------------
 */
extern "C" tdstDLLIdentity __declspec(dllexport) *fn_p_stGetDLLIdentity(void)
{
	g_stIPOIdentity.eType = OBJECT_DLL;								//object DLL type
	g_stIPOIdentity.csName = C_szDLLInstanciatedPhysicalObjectName;	//object DLL name (unique name)
	g_stIPOIdentity.hModule = NULL;									//********************** private internal
	g_stIPOIdentity.p_oListOfInstances = &g_oListOfInstances;		//********************** private internal
  
	return &g_stIPOIdentity;
}

/*
 ----------------------------------------------------------------------------------------
  Description   : Init DLL function
 ----------------------------------------------------------------------------------------
 */
extern "C" void WINAPI fn_vInitDll(void)
{
	new CDynLinkLibrary(extensionDLL);
}

/*
 ----------------------------------------------------------------------------------------
  Description   : DLL main function
  hInstance           -> DLL instance
  dwReason            -> reason of DLL loading
  lpReserved          ->
  Returns ( int )
 ----------------------------------------------------------------------------------------
 */
extern "C" int __stdcall DllMain(HINSTANCE hInstance, DWORD dwReason, LPVOID lpReserved)
{
	if (dwReason == DLL_PROCESS_ATTACH)
	{
		if (!AfxInitExtensionModule(extensionDLL, hInstance))
		   return 0;
	}
	return 1;
}

/*
 ----------------------------------------------------------------------------------------
  Description   : Get the DLL
  lKey				-> number of DLL
  Returns (CPA_DLLBase )
 ----------------------------------------------------------------------------------------
 */
extern "C" CPA_DLLBase __declspec(dllexport) *fn_p_oGetDLL(long lKey)
{
	switch(lKey)
	{
		case 0:	// the game world
			if (gs_p_oIPOInterface == NULL)
			{
				gs_p_oIPOInterface = new IPOInterface();
				ASSERT(gs_p_oIPOInterface != NULL);
			}
			return gs_p_oIPOInterface;
		break;

		default:
			return NULL;
	}
}