HRESULT CPigEngine::CreatePig(BSTR bstrType, BSTR bstrCommandLine, IPig** ppPig)
{
// Initialize the [out] parameter
CLEAROUT(ppPig, (IPig*)NULL);
// Lock the object for the following validation checks
{
XLock lock(this);
// Ensure that the scripts have been loaded
RETURN_FAILED(EnsureScriptsAreLoaded());
// Ensure that the MissionServer property is not empty
if (!m_bstrMissionServer.Length())
return AtlReportError(CLSID_PigSession, IDS_E_NO_MISSIONSRV,
IID_IPigSession, 0, _Module.GetResourceInstance());
// Get the number of pigs that exist
long cPigs = 0;
if (m_pPigs)
_SVERIFYE(m_pPigs->get_Count(&cPigs));
// Get the maximum number of pigs allowed
long nMaxPigs = 0;
_SVERIFYE(get_MaxPigs(&nMaxPigs));
// Check for maximum pigs
if (nMaxPigs >= 0 && cPigs >= nMaxPigs)
return AtlReportError(CLSID_PigSession, IDS_E_TOOMANYPIGS,
IID_IPigSession, 0, _Module.GetResourceInstance());
}
// bstrType is optional, so assign a default value if not specified
CComBSTR bstrTheType(bstrType);
if (!bstrTheType.Length())
bstrTheType = L"Default";
// Find the specified behavior type
CPigBehaviorScriptType* pBehaviorType = GetBehaviorType(bstrTheType);
if (!pBehaviorType)
return AtlReportError(CLSID_PigSession, IDS_E_CREATE_BEHAVIOR_TYPE,
IID_IPigSession, 0, _Module.GetResourceInstance());
// Create a new pig thread object and it's associated pig player object
DWORD dwGITCookie;
RETURN_FAILED(CPig::Create(pBehaviorType, bstrCommandLine, &dwGITCookie));
// Get an apartment-safe pointer to the pig object
RETURN_FAILED(GetInterfaceFromGlobal(dwGITCookie, IID_IPig, (void**)ppPig));
assert(*ppPig);
// Indicate success
return S_OK;
}
ezParticleBehavior* ezParticleBehaviorFactory::CreateBehavior(ezParticleSystemInstance* pOwner) const
{
const ezRTTI* pRtti = GetBehaviorType();
ezParticleBehavior* pBehavior = pRtti->GetAllocator()->Allocate<ezParticleBehavior>();
pBehavior->Reset(pOwner);
CopyBehaviorProperties(pBehavior, true);
pBehavior->CreateRequiredStreams();
return pBehavior;
}
