genesis-3d_engine/Engine/app/scriptfeature/script_root_instance.cc

/****************************************************************************
Copyright (c) 2011-2013,WebJet Business Division,CYOU
 
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#include "stdneb.h"
#include "foundation/util/array.h"
#include "scriptfeature/script_root_instance.h"
#include "scriptfeature/mono_script.h"
#include "scriptfeature/inc/script_utility.h"
#include "scriptfeature/script_general_manager.h"

namespace App
{
	__ImplementClass( App::ScriptRootInstance, 'SRIN', Core::RefCounted );
	__ImplementImageSingleton( App::ScriptRootInstance );
	
	enum RootInstanceMethodIndex
	{
		RootInstanceMethodIndex_Begin = 0,
		RootInstanceMethodIndex_OnLoad = RootInstanceMethodIndex_Begin,
		RootInstanceMethodIndex_OnTick,
		RootInstanceMethodIndex_Exit,
		RootInstanceMethodIndex_OnStopped,
		RootInstanceMethodIndex_OnResumed,
		RootInstanceMethodIndex_OnExited,
		RootInstanceMethodIndex_Count,
	};

	
	static const char* gRootInstanceMethod[] = 
	{
		"*:Load()",
		"*:Tick()",
		"*:Exit()",
		"*:Stopped()",
		"*:Resumed()",
		"*:OnExited()",
	};

	const Util::String& ScriptRootInstance::s_csRootClassName = "ScriptRoot";		

	const Util::String& ScriptRootInstance::s_csParentRootClassName = "RuntimeScriptRoot";		
	
	ScriptRootInstance::ScriptRootInstance()
		: m_ArrEntryMethods()
		, m_bInit( false )
		, m_pRootClass( NULL )
		, m_pRootObj( NULL )
		, m_uiRootRefID( c_iInvalidMonoRefID )
	{
		__ConstructImageSingleton
	}

	ScriptRootInstance::~ScriptRootInstance()
	{
		__DestructImageSingleton

		if ( c_iInvalidMonoRefID!=m_uiRootRefID )
		{
			mono_gchandle_free( m_uiRootRefID );
			m_uiRootRefID = c_iInvalidMonoRefID;
		}

		m_pRootClass  = NULL;
		m_pRootObj    = NULL;
		m_bInit       = false;
	}

	void ScriptRootInstance::CreateSingleton( void )
	{
		ScriptRootInstance::Create();
		ScriptRootInstance::Instance()->AddRef();
	}

	void ScriptRootInstance::DestorySingleton( void )
	{
		ScriptRootInstance::Instance()->Release();
	}

	void ScriptRootInstance::Init()
	{
		ScriptGeneralManager* manager = ScriptGeneralManager::Instance(); n_assert(manager);
		m_pRootClass = manager->GetMonoClassByName( s_csRootClassName, s_csScriptRuntimeNamespace, s_cpUserDefCSharpLibName );

		MonoClass* m_pParentRootClass = manager->GetMonoClassByName( s_csParentRootClassName, s_csScriptRuntimeNamespace, s_cpScriptRuntimeLibraryName );
		n_assert(m_pParentRootClass);

		if ( m_pRootClass==NULL )
		{
			n_warning("this app have no root class,maybe user don't need it.so root class's init will be canceled here");
			m_bInit = false;
			return;
		}

		mono_bool bParent = mono_class_is_subclass_of(m_pRootClass, m_pParentRootClass, true);

		if(!bParent)
		{
			n_warning("user don't inherit the script root in run time libery,but this will not cause any trouble at this moment");
			m_bInit = false;
			return;
		}

		MonoDomain* mono_domain = mono_domain_get();
		m_pRootObj  = mono_object_new( mono_domain, m_pRootClass );
		n_assert(NULL != m_pRootObj);
		mono_runtime_object_init(m_pRootObj);
		m_uiRootRefID = mono_gchandle_new ( m_pRootObj, 1 );
		n_assert(NULL != m_pRootObj);
		
		GetEntryMethods();
		m_bInit = true;
	}

	void ScriptRootInstance::OnLoad()
	{
		if( !m_bInit )
		{
			return;
		}

		MonoMethod* pMethod = m_ArrEntryMethods[RootInstanceMethodIndex_OnLoad];
		if ( NULL==pMethod )
		{
			return; 
		}

		Utility_MonoRuntimeInvoke( pMethod, m_pRootObj, NULL );
	}

	void ScriptRootInstance::OnTick()
	{
			if( !m_bInit )
			{
				return;
			}
			
			MonoMethod* pMethod = m_ArrEntryMethods[RootInstanceMethodIndex_OnTick];
			if ( NULL==pMethod )
			{
					return;
			}
			Utility_MonoRuntimeInvoke( pMethod, m_pRootObj, NULL );
	}

	void ScriptRootInstance::OnExit()
	{
		if( !m_bInit )
		{
			return;
		}

		MonoMethod* pMethod = m_ArrEntryMethods[RootInstanceMethodIndex_Exit];
		if ( NULL==pMethod )
		{
			return; 
		}

		Utility_MonoRuntimeInvoke( pMethod, m_pRootObj, NULL );
	}

	void ScriptRootInstance::OnStopped()
	{
		if( !m_bInit )
		{
			return;
		}

		MonoMethod* pMethod = m_ArrEntryMethods[RootInstanceMethodIndex_OnStopped];
		if ( NULL==pMethod )
		{
			return; 
		}

		Utility_MonoRuntimeInvoke( pMethod, m_pRootObj, NULL );
	}

	void ScriptRootInstance::OnResumed()
	{
		if( !m_bInit )
		{
			return;
		}

		MonoMethod* pMethod = m_ArrEntryMethods[RootInstanceMethodIndex_OnResumed];
		if ( NULL==pMethod )
		{
			return; 
		}

		Utility_MonoRuntimeInvoke( pMethod, m_pRootObj, NULL );
	}

	void ScriptRootInstance::OnExited()
	{
		if( !m_bInit )
		{
			return;
		}

		MonoMethod* pMethod = m_ArrEntryMethods[RootInstanceMethodIndex_OnExited];
		if ( NULL==pMethod )
		{
			return; 
		}

		Utility_MonoRuntimeInvoke( pMethod, m_pRootObj, NULL );
	}

	void ScriptRootInstance::GetEntryMethods()
	{
		for (int i = RootInstanceMethodIndex_Begin; i < RootInstanceMethodIndex_Count; ++i)
		{
			MonoMethodDesc*	pDesc = NULL;
			MonoMethod*  pMethod = NULL;

			pDesc = mono_method_desc_new( gRootInstanceMethod[i], false ); n_assert( pDesc );
			pMethod	=  mono_method_desc_search_in_class( pDesc, m_pRootClass );
			mono_method_desc_free(pDesc);
			if( pMethod==NULL )
			{
				n_warning( "root class didn't implement this method,maybe user don't need it" );
			}
			m_ArrEntryMethods.Append(pMethod);
		}
	}
}