// NeL - MMORPG Framework <http://dev.ryzom.com/projects/nel/>
// Copyright (C) 2010  Winch Gate Property Limited
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as
// published by the Free Software Foundation, either version 3 of the
// License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.


#include "std_afx.h"
#include "object_viewer.h"
#include "particle_system_edit.h"
#include "nel/3d/particle_system.h"
#include "nel/3d/particle_system_model.h"
#include "nel/3d/ps_color.h"
#include "editable_range.h"
#include "auto_lod_dlg.h"
#include "ps_global_color_dlg.h"
#include "choose_name.h"
#include "particle_tree_ctrl.h"
#include "particle_dlg.h"
#include "choose_frame_delay.h"

static	void concatEdit2Lines(CEdit &edit)
{
	const	uint lineLen= 1000;
	uint	n;
	// retrieve the 2 lines.
	TCHAR	tmp0[2*lineLen];
	TCHAR	tmp1[lineLen];
	n= edit.GetLine(0, tmp0, lineLen);	tmp0[n]= 0;
	n= edit.GetLine(1, tmp1, lineLen);	tmp1[n]= 0;
	// concat and update the CEdit.
	edit.SetWindowText(_tcscat(tmp0, tmp1));
}


/////////////////////////////////////////////////////////////////////////////
// CParticleSystemEdit dialog

CTimeThresholdWrapper CParticleSystemEdit::_TimeThresholdWrapper;

CMaxViewDistWrapper CParticleSystemEdit::_MaxViewDistWrapper;

CMaxNbIntegrationWrapper CParticleSystemEdit::_MaxNbIntegrationWrapper;

CLODRatioWrapper CParticleSystemEdit::_LODRatioWrapper;

CUserParamWrapper CParticleSystemEdit::_UserParamWrapper[4];

//=====================================================
CParticleSystemEdit::CParticleSystemEdit(CParticleWorkspace::CNode *ownerNode, CParticleTreeCtrl *ptc)
	: _Node(ownerNode),
	  _TimeThresholdDlg(NULL),
	  _MaxIntegrationStepDlg(NULL),
	  _MaxViewDistDlg(NULL),
	  _LODRatioDlg(NULL),
	  _AutoLODDlg(NULL),
	  _GlobalColorDlg(NULL),
	  _ParticleTreeCtrl(ptc)
{
	nlassert(ptc);
	//{{AFX_DATA_INIT(CParticleSystemEdit)
	m_AccurateIntegration = FALSE;
	m_EnableSlowDown = FALSE;
	m_DieWhenOutOfRange = FALSE;
	m_DieWhenOutOfFrustum = FALSE;
	m_EnableLoadBalancing = FALSE;
	m_BypassMaxNumSteps = FALSE;
	m_ForceLighting = FALSE;
	m_BBoxX = _T("");
	m_BBoxY = _T("");
	m_BBoxZ = _T("");
	//}}AFX_DATA_INIT
}


//=====================================================
CParticleSystemEdit::~CParticleSystemEdit()
{
	#define  REMOVE_WND(wnd) if (wnd) { wnd->DestroyWindow(); delete wnd; wnd = NULL; }
	REMOVE_WND(_TimeThresholdDlg);	
	REMOVE_WND(_MaxIntegrationStepDlg);
	REMOVE_WND(_MaxViewDistDlg);
	REMOVE_WND(_LODRatioDlg); 
	REMOVE_WND(_AutoLODDlg);
	REMOVE_WND(_GlobalColorDlg);
	//_ParticleTreeCtrl->getParticleDlg()->getObjectViewer()->getFrameDelayDlg()->lockToPS(false);

}

//=====================================================
void CParticleSystemEdit::init(CWnd *pParent)   // standard constructor
{
	Create(CParticleSystemEdit::IDD, pParent);

	// TODO : remove all ugly hardcoded values

	RECT r;

	const sint xPos = 80;
	sint yPos = 162;

	_MaxViewDistDlg = new CEditableRangeFloat (std::string("MAX VIEW DIST"), _Node, 0, 100.f);
	_MaxViewDistWrapper.PS = _Node->getPSPointer();
	_MaxViewDistDlg->enableLowerBound(0, true);
	_MaxViewDistDlg->setWrapper(&_MaxViewDistWrapper);
	_MaxViewDistDlg->init(87, 325, this);

	_LODRatioDlg = new CEditableRangeFloat (std::string("LOD RATIO"), _Node, 0, 1.f);
	_LODRatioWrapper.PS = _Node->getPSPointer();
	_LODRatioDlg->enableLowerBound(0, true);
	_LODRatioDlg->enableUpperBound(1, true);
	_LODRatioDlg->setWrapper(&_LODRatioWrapper);
	_LODRatioDlg->init(87, 357, this);


	_TimeThresholdDlg = new CEditableRangeFloat (std::string("TIME THRESHOLD"), _Node, 0.005f, 0.3f);
	_TimeThresholdWrapper.PS = _Node->getPSPointer();
	_TimeThresholdDlg->enableLowerBound(0, true);
	_TimeThresholdDlg->setWrapper(&_TimeThresholdWrapper);
	GetDlgItem(IDC_TIME_THRESHOLD_PLACE_HOLDER)->GetWindowRect(&r);
	ScreenToClient(&r);
	_TimeThresholdDlg->init(r.left, r.top, this);


	_MaxIntegrationStepDlg = new CEditableRangeUInt (std::string("MAX INTEGRATION STEPS"), _Node, 0, 4);	
	_MaxNbIntegrationWrapper.PS = _Node->getPSPointer();
	_MaxIntegrationStepDlg->enableLowerBound(0, true);
	_MaxIntegrationStepDlg->setWrapper(&_MaxNbIntegrationWrapper);
	GetDlgItem(IDC_MAX_STEP_PLACE_HOLDER)->GetWindowRect(&r);
	ScreenToClient(&r);
	_MaxIntegrationStepDlg->init(r.left, r.top, this);


				
	for (uint k = 0; k < 4; ++k)
	{
		_UserParamWrapper[k].PS = _Node->getPSPointer();
		_UserParamWrapper[k].Index = k;
		CEditableRangeFloat *erf = new CEditableRangeFloat (std::string("USER PARAM") + (char) (k + 65), NULL, 0, 1.0f);
		erf->enableLowerBound(0, false);
		erf->enableUpperBound(1, false);
		pushWnd(erf);
		erf->setWrapper(&_UserParamWrapper[k]);	
		erf->init(xPos, yPos, this);
		yPos += 35;
	}


	NL3D::TAnimationTime t;
	uint32 max;
	bool csd;
	bool klt;
	_Node->getPSPointer()->getAccurateIntegrationParams(t, max, csd, klt);
	
	m_PrecomputeBBoxCtrl.SetCheck(_Node->getPSPointer()->getAutoComputeBBox() ? 0 : 1);
	((CButton *) GetDlgItem(IDC_AUTO_BBOX))->SetCheck(_ParticleTreeCtrl->getParticleDlg()->getAutoBBox() ? 1 : 0);
	
	m_EnableSlowDown = csd;	
	((CButton *)	GetDlgItem(IDC_SHARABLE))->SetCheck(_Node->getPSPointer()->isSharingEnabled());	

	m_AccurateIntegration = _Node->getPSPointer()->isAccurateIntegrationEnabled();

	BOOL bAutoLOD = _Node->getPSPointer()->isAutoLODEnabled();
	((CButton *)	GetDlgItem(IDC_ENABLE_AUTO_LOD))->SetCheck(bAutoLOD);
	GetDlgItem(IDC_EDIT_AUTO_LOD)->EnableWindow(bAutoLOD);


	/// global color
	int bGlobalColor = _Node->getPSPointer()->getColorAttenuationScheme() != NULL ?  1 : 0;
	((CButton *) GetDlgItem(IDC_GLOBAL_COLOR))->SetCheck(bGlobalColor);
	GetDlgItem(IDC_EDIT_GLOBAL_COLOR)->EnableWindow(bGlobalColor);



	updateIntegrationParams();
	updatePrecomputedBBoxParams();	
	updateLifeMgtPresets();

	m_EnableLoadBalancing = _Node->getPSPointer()->isLoadBalancingEnabled();
	_MaxIntegrationStepDlg->EnableWindow(_Node->getPSPointer()->getBypassMaxNumIntegrationSteps() ? FALSE : TRUE);
	m_ForceLighting = _Node->getPSPointer()->getForceGlobalColorLightingFlag();

	CString lockButtonStr;
	lockButtonStr.LoadString(IDS_LOCK_PS);
	GetDlgItem(IDC_LOCK_FRAME_DELAY)->SetWindowText(lockButtonStr);

	UpdateData(FALSE);
	ShowWindow(SW_SHOW);	

		
}

//=====================================================
void CParticleSystemEdit::updateIntegrationParams()
{
	BOOL ew = _Node->getPSPointer()->isAccurateIntegrationEnabled();
	_TimeThresholdDlg->EnableWindow(ew);
	_MaxIntegrationStepDlg->EnableWindow(ew);
	m_EnableSlowDownCtrl.EnableWindow(ew);
}


//=====================================================
void CParticleSystemEdit::updateDieOnEventParams()
{
	BOOL ew = _Node->getPSPointer()->getDestroyCondition() == NL3D::CParticleSystem::none ? FALSE : TRUE;
	GetDlgItem(IDC_AUTO_DELAY)->EnableWindow(ew);
	bool autoDelay = _Node->getPSPointer()->getAutoComputeDelayBeforeDeathConditionTest();
	if (autoDelay)
	{
		ew = FALSE;
	}

	GetDlgItem(IDC_APPLY_AFTER_DELAY)->EnableWindow(ew);
	
	CString out;

	if (_Node->getPSPointer()->getDelayBeforeDeathConditionTest() >= 0)
	{	
		out.Format(_T("%.2g"), _Node->getPSPointer()->getDelayBeforeDeathConditionTest());
	}
	else
	{
		out = _T("???");
	}

	GetDlgItem(IDC_APPLY_AFTER_DELAY)->SetWindowText(out);
	((CButton *) GetDlgItem(IDC_AUTO_DELAY))->SetCheck(autoDelay ? 1 : 0);
}

//=====================================================
void CParticleSystemEdit::OnPrecomputeBbox() 
{
	UpdateData();
	_Node->getPSPointer()->setAutoComputeBBox(!_Node->getPSPointer()->getAutoComputeBBox() ? true : false);
	if (!_Node->getPSPointer()->getAutoComputeBBox())
	{
		_ParticleTreeCtrl->getParticleDlg()->setAutoBBox(true);
		_ParticleTreeCtrl->getParticleDlg()->resetAutoBBox();
		((CButton *) GetDlgItem(IDC_AUTO_BBOX))->SetCheck(1);
	}
	else
	{
		_ParticleTreeCtrl->getParticleDlg()->setAutoBBox(false);
		((CButton *) GetDlgItem(IDC_AUTO_BBOX))->SetCheck(0);
	}
	updatePrecomputedBBoxParams();	
	updateModifiedFlag();
}

//=====================================================
void CParticleSystemEdit::updatePrecomputedBBoxParams()
{
	nlassert(_ParticleTreeCtrl);
	BOOL ew = !_ParticleTreeCtrl->getParticleDlg()->getAutoBBox() && !_Node->getPSPointer()->getAutoComputeBBox();
		
	m_BBoxXCtrl.EnableWindow(ew);
	m_BBoxYCtrl.EnableWindow(ew);
	m_BBoxZCtrl.EnableWindow(ew);
	GetDlgItem(IDC_DEC_BBOX)->EnableWindow(!_Node->getPSPointer()->getAutoComputeBBox());
	GetDlgItem(IDC_INC_BBOX)->EnableWindow(!_Node->getPSPointer()->getAutoComputeBBox());
	GetDlgItem(IDC_AUTO_BBOX)->EnableWindow(!_Node->getPSPointer()->getAutoComputeBBox());
	
	if (!ew)
	{
		m_BBoxX.Empty();
		m_BBoxY.Empty();
		m_BBoxZ.Empty();
	}
	else
	{
		NLMISC::CAABBox b;
		_Node->getPSPointer()->computeBBox(b);
		char out[128];
		sprintf(out, "%.3g", b.getHalfSize().x); m_BBoxX = out;
		sprintf(out, "%.3g", b.getHalfSize().y); m_BBoxY = out;
		sprintf(out, "%.3g", b.getHalfSize().z); m_BBoxZ = out;
	}

	GetDlgItem(IDC_RESET_BBOX)->EnableWindow(_ParticleTreeCtrl->getParticleDlg()->getAutoBBox() && !_Node->getPSPointer()->getAutoComputeBBox());

	UpdateData(FALSE);
}

//=====================================================
void CParticleSystemEdit::OnSelchangePsDieOnEvent() 
{
	UpdateData();
	_Node->getPSPointer()->setDestroyCondition((NL3D::CParticleSystem::TDieCondition) m_DieOnEvent.GetCurSel());
	updateDieOnEventParams();
	updateModifiedFlag();
	updateModifiedFlag();
}

//=====================================================
void CParticleSystemEdit::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CParticleSystemEdit)
	DDX_Control(pDX, IDC_BYPASS_MAX_NUM_STEPS, m_BypassMaxNumStepsCtrl);
	DDX_Control(pDX, IDC_FORCE_LIFE_TIME_UPDATE, m_ForceLifeTimeUpdate);
	DDX_Control(pDX, IDC_DIE_WHEN_OUT_OF_FRUSTRUM, m_DieWhenOutOfFrustumCtrl);
	DDX_Control(pDX, IDC_DIE_WHEN_OUT_OF_RANGE, m_DieWhenOutOfRangeCtrl);
	DDX_Control(pDX, IDC_ANIM_TYPE_CTRL, m_AnimTypeCtrl);
	DDX_Control(pDX, IDC_LIFE_MGT_PRESETS, m_PresetCtrl);
	DDX_Control(pDX, IDC_PS_DIE_ON_EVENT, m_DieOnEvent);
	DDX_Control(pDX, IDC_PRECOMPUTE_BBOX, m_PrecomputeBBoxCtrl);
	DDX_Control(pDX, IDC_BB_Z, m_BBoxZCtrl);
	DDX_Control(pDX, IDC_BB_Y, m_BBoxYCtrl);
	DDX_Control(pDX, IDC_BB_X, m_BBoxXCtrl);
	DDX_Control(pDX, IDC_ENABLE_SLOW_DOWN, m_EnableSlowDownCtrl);
	DDX_Check(pDX, IDC_ACCURATE_INTEGRATION, m_AccurateIntegration);
	DDX_Check(pDX, IDC_ENABLE_SLOW_DOWN, m_EnableSlowDown);
	DDX_Check(pDX, IDC_DIE_WHEN_OUT_OF_RANGE, m_DieWhenOutOfRange);
	DDX_Check(pDX, IDC_DIE_WHEN_OUT_OF_FRUSTRUM, m_DieWhenOutOfFrustum);
	DDX_Check(pDX, IDC_ENABLE_LOAD_BALANCING, m_EnableLoadBalancing);
	DDX_Check(pDX, IDC_BYPASS_MAX_NUM_STEPS, m_BypassMaxNumSteps);
	DDX_Check(pDX, IDC_FORCE_GLOBAL_LIGHITNG, m_ForceLighting);
	DDX_Text(pDX, IDC_BB_X, m_BBoxX);
	DDX_Text(pDX, IDC_BB_Y, m_BBoxY);
	DDX_Text(pDX, IDC_BB_Z, m_BBoxZ);
	//}}AFX_DATA_MAP
}


BEGIN_MESSAGE_MAP(CParticleSystemEdit, CDialog)
	//{{AFX_MSG_MAP(CParticleSystemEdit)
	ON_BN_CLICKED(IDC_ACCURATE_INTEGRATION, OnAccurateIntegration)
	ON_BN_CLICKED(IDC_ENABLE_SLOW_DOWN, OnEnableSlowDown)
	ON_BN_CLICKED(IDC_PRECOMPUTE_BBOX, OnPrecomputeBbox)	
	ON_BN_CLICKED(IDC_INC_BBOX, OnIncBbox)
	ON_BN_CLICKED(IDC_DEC_BBOX, OnDecBbox)
	ON_BN_CLICKED(IDC_DIE_WHEN_OUT_OF_RANGE, OnDieWhenOutOfRange)
	ON_CBN_SELCHANGE(IDC_PS_DIE_ON_EVENT, OnSelchangePsDieOnEvent)
	ON_EN_CHANGE(IDC_APPLY_AFTER_DELAY, OnChangeApplyAfterDelay)
	ON_BN_CLICKED(IDC_DIE_WHEN_OUT_OF_FRUSTRUM, OnDieWhenOutOfFrustum)	
	ON_CBN_SELCHANGE(IDC_LIFE_MGT_PRESETS, OnSelchangeLifeMgtPresets)
	ON_CBN_SELCHANGE(IDC_ANIM_TYPE_CTRL, OnSelchangeAnimTypeCtrl)
	ON_BN_CLICKED(IDC_SHARABLE, OnSharable)
	ON_BN_CLICKED(IDC_EDIT_AUTO_LOD, OnEditAutoLod)
	ON_BN_CLICKED(IDC_ENABLE_AUTO_LOD, OnEnableAutoLod)
	ON_BN_CLICKED(IDC_FORCE_LIFE_TIME_UPDATE, OnForceLifeTimeUpdate)
	ON_BN_CLICKED(IDC_EDIT_GLOBAL_COLOR, OnEditGlobalColor)
	ON_BN_CLICKED(IDC_GLOBAL_COLOR, OnGlobalColor)
	ON_BN_CLICKED(IDC_ENABLE_LOAD_BALANCING, OnEnableLoadBalancing)
	ON_BN_CLICKED(IDC_GLOBAL_USER_PARAM_1, OnGlobalUserParam1)
	ON_BN_CLICKED(IDC_GLOBAL_USER_PARAM_2, OnGlobalUserParam2)
	ON_BN_CLICKED(IDC_GLOBAL_USER_PARAM_3, OnGlobalUserParam3)
	ON_BN_CLICKED(IDC_GLOBAL_USER_PARAM_4, OnGlobalUserParam4)
	ON_BN_CLICKED(IDC_BYPASS_MAX_NUM_STEPS, OnBypassMaxNumSteps)
	ON_BN_CLICKED(IDC_FORCE_GLOBAL_LIGHITNG, OnForceGlobalLighitng)
	ON_BN_CLICKED(IDC_AUTO_DELAY, OnAutoDelay)
	ON_EN_CHANGE(IDC_BB_Z, OnChangeBBZ)
	ON_EN_CHANGE(IDC_BB_X, OnChangeBBX)
	ON_EN_CHANGE(IDC_BB_Y, OnChangeBBY)
	ON_BN_CLICKED(IDC_AUTO_BBOX, OnAutoBbox)
	ON_BN_CLICKED(IDC_RESET_BBOX, OnResetBBox)
	ON_BN_CLICKED(IDC_LOCK_FRAME_DELAY, OnLockFrameDelay)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CParticleSystemEdit message handlers

//=====================================================
void CParticleSystemEdit::OnAccurateIntegration() 
{
	UpdateData();
	_Node->getPSPointer()->enableAccurateIntegration(m_AccurateIntegration ? true : false);
	updateIntegrationParams();
	updateModifiedFlag();
}

//=====================================================
void CParticleSystemEdit::OnEnableSlowDown() 
{
	UpdateData();
	NL3D::TAnimationTime t;
	uint32 max;
	bool csd;
	bool klt;
	_Node->getPSPointer()->getAccurateIntegrationParams(t, max, csd, klt);
	_Node->getPSPointer()->setAccurateIntegrationParams(t, max, m_EnableSlowDown ? true : false, klt);
	updateModifiedFlag();
}

//=====================================================
void CParticleSystemEdit::updateBBoxFromText()
{
	NLMISC::CVector h;
	TCHAR inX[128], inY[128], inZ[128];
	m_BBoxXCtrl.GetWindowText(inX, 128);
	m_BBoxYCtrl.GetWindowText(inY, 128);
	m_BBoxZCtrl.GetWindowText(inZ, 128);

	if (_tcscanf(inX, "%f", &h.x) == 1
		&& _tcscanf(inY, "%f", &h.y) == 1
		&& _tcscanf(inZ, "%f", &h.z) == 1
	   )
	{
		NLMISC::CAABBox b;
		b.setHalfSize(h);
		_Node->getPSPointer()->setPrecomputedBBox(b);
	}
	else
	{
		MessageBox(_T("Invalid entry"), _T("error"), MB_OK);
	}
}

//=====================================================
void CParticleSystemEdit::OnIncBbox() 
{
	NLMISC::CAABBox b;
	_Node->getPSPointer()->computeBBox(b);
	b.setHalfSize(1.1f * b.getHalfSize());
	_Node->getPSPointer()->setPrecomputedBBox(b);
	updatePrecomputedBBoxParams();
	updateModifiedFlag();
}

//=====================================================
void CParticleSystemEdit::OnDecBbox() 
{
	NLMISC::CAABBox b;
	_Node->getPSPointer()->computeBBox(b);	 
	b.setHalfSize(0.9f * b.getHalfSize());
	_Node->getPSPointer()->setPrecomputedBBox(b);
	updatePrecomputedBBoxParams();	
	updateModifiedFlag();
}

//=====================================================
void CParticleSystemEdit::OnDieWhenOutOfRange() 
{
	UpdateData();
	_Node->getPSPointer()->setDestroyModelWhenOutOfRange(m_DieWhenOutOfRange ? true : false);
	updateModifiedFlag();
}

//=====================================================
void CParticleSystemEdit::OnDieWhenOutOfFrustum() 
{
	UpdateData();
	_Node->getPSPointer()->destroyWhenOutOfFrustum(m_DieWhenOutOfFrustum ? true : false);
	m_AnimTypeCtrl.EnableWindow(!m_DieWhenOutOfFrustum);
	updateModifiedFlag();
}

//=====================================================
void CParticleSystemEdit::OnChangeApplyAfterDelay() 
{
	if (_Node->getPSPointer()->getAutoComputeDelayBeforeDeathConditionTest()) return;

	TCHAR in[128];
	GetDlgItem(IDC_APPLY_AFTER_DELAY)->GetWindowText(in, 128);

	float value;
	if (_tcscanf(in, "%f", &value) == 1)
	{
		if (_Node->getPSPointer()->getDelayBeforeDeathConditionTest() != value)
		{
			_Node->getPSPointer()->setDelayBeforeDeathConditionTest(value);
			updateModifiedFlag();
		}
	}	
}

//=====================================================
void CParticleSystemEdit::OnSelchangeLifeMgtPresets() 
{
	UpdateData(TRUE);
	if (m_PresetCtrl.GetCurSel() == NL3D::CParticleSystem::SpellFX ||
		m_PresetCtrl.GetCurSel() == NL3D::CParticleSystem::SpawnedEnvironmentFX)
	{
		NL3D::CPSLocatedBindable *lb;
		if (!_Node->getPSPointer()->canFinish(&lb))
		{
			m_PresetCtrl.SetCurSel((int) _Node->getPSPointer()->getBehaviourType());
			CString mess;
			CString err;
			err.LoadString(IDS_ERROR);
			if (!lb)
			{			
				mess.LoadString(IDS_NO_FINITE_DURATION);
				MessageBox((LPCTSTR) mess, (LPCTSTR) err, MB_ICONEXCLAMATION);
			}
			else
			{
				mess.LoadString(IDS_NO_FINITE_DURATION_FOR_OBJ);
				mess += lb->getName().c_str();
				MessageBox((LPCTSTR) mess, (LPCTSTR) err, MB_ICONEXCLAMATION);
			}
			return;
		}
	}
	_Node->getPSPointer()->activatePresetBehaviour((NL3D::CParticleSystem::TPresetBehaviour) m_PresetCtrl.GetCurSel());	
	updateLifeMgtPresets();
	updateModifiedFlag();
}

//=====================================================
void CParticleSystemEdit::OnSelchangeAnimTypeCtrl() 
{
	UpdateData(TRUE);
	_Node->getPSPointer()->setAnimType((NL3D::CParticleSystem::TAnimType) m_AnimTypeCtrl.GetCurSel());
	updateModifiedFlag();
}

//=====================================================
void CParticleSystemEdit::updateLifeMgtPresets()
{
	m_PresetCtrl.SetCurSel((int) _Node->getPSPointer()->getBehaviourType());
	m_DieWhenOutOfRange = _Node->getPSPointer()->getDestroyModelWhenOutOfRange();
	m_DieWhenOutOfFrustum = _Node->getPSPointer()->doesDestroyWhenOutOfFrustum();
	m_BypassMaxNumSteps = _Node->getPSPointer()->getBypassMaxNumIntegrationSteps();
	m_DieOnEvent.SetCurSel((int) _Node->getPSPointer()->getDestroyCondition());
	m_AnimTypeCtrl.SetCurSel((int) _Node->getPSPointer()->getAnimType());
	updateDieOnEventParams();

	NL3D::TAnimationTime t;
	uint32 max;
	bool csd;
	bool klt;
	_Node->getPSPointer()->getAccurateIntegrationParams(t, max, csd, klt);
	((CButton *)	GetDlgItem(IDC_FORCE_LIFE_TIME_UPDATE))->SetCheck(klt);

	BOOL bEnable =  _Node->getPSPointer()->getBehaviourType() == NL3D::CParticleSystem::UserBehaviour ? TRUE :  FALSE;
	
	m_DieWhenOutOfRangeCtrl.EnableWindow(bEnable);
	m_DieWhenOutOfFrustumCtrl.EnableWindow(bEnable);
	m_DieOnEvent.EnableWindow(bEnable);
	m_AnimTypeCtrl.EnableWindow(bEnable);
	m_ForceLifeTimeUpdate.EnableWindow(bEnable);
	m_BypassMaxNumStepsCtrl.EnableWindow(bEnable);
	_MaxIntegrationStepDlg->EnableWindow(_Node->getPSPointer()->getBypassMaxNumIntegrationSteps() ? FALSE : TRUE);

	UpdateData(FALSE);
}



//=====================================================
void CParticleSystemEdit::OnSharable() 
{
	bool shared = ((CButton *)	GetDlgItem(IDC_SHARABLE))->GetCheck() != 0;
	_Node->getPSPointer()->enableSharing(shared);	
	updateModifiedFlag();
}

//=====================================================
void CParticleSystemEdit::OnEditAutoLod() 
{
	GetDlgItem(IDC_EDIT_AUTO_LOD)->EnableWindow(FALSE);
	GetDlgItem(IDC_ENABLE_AUTO_LOD)->EnableWindow(FALSE);
	GetDlgItem(IDC_SHARABLE)->EnableWindow(FALSE);	
	nlassert(_AutoLODDlg == NULL);
	CAutoLODDlg *autoLODDlg = new CAutoLODDlg(_Node, _Node->getPSPointer(), this);	
	autoLODDlg->init(this);
	_AutoLODDlg = autoLODDlg;
}

//=====================================================
void CParticleSystemEdit::childPopupClosed(CWnd *child)
{
	if (child == _AutoLODDlg)
	{
		GetDlgItem(IDC_EDIT_AUTO_LOD)->EnableWindow(TRUE);
		GetDlgItem(IDC_ENABLE_AUTO_LOD)->EnableWindow(TRUE);
		GetDlgItem(IDC_SHARABLE)->EnableWindow(TRUE);
		REMOVE_WND(_AutoLODDlg);
	}
	else
	if (child == _GlobalColorDlg)
	{
		GetDlgItem(IDC_GLOBAL_COLOR)->EnableWindow(TRUE);
		GetDlgItem(IDC_EDIT_GLOBAL_COLOR)->EnableWindow(TRUE);
		REMOVE_WND(_GlobalColorDlg);
	}
			
}

//=====================================================
void CParticleSystemEdit::OnEnableAutoLod() 
{
	BOOL bEnable = ((CButton *) GetDlgItem(IDC_ENABLE_AUTO_LOD))->GetCheck() != 0;
	GetDlgItem(IDC_EDIT_AUTO_LOD)->EnableWindow(bEnable);
	_Node->getPSPointer()->enableAutoLOD(bEnable ? true : false /* performance warning */);
	updateModifiedFlag();
}

///=====================================================================
void CParticleSystemEdit::OnEditGlobalColor() 
{
	nlassert(!_GlobalColorDlg);
	GetDlgItem(IDC_GLOBAL_COLOR)->EnableWindow(FALSE);
	GetDlgItem(IDC_EDIT_GLOBAL_COLOR)->EnableWindow(FALSE);
	CPSGlobalColorDlg *gcd = new CPSGlobalColorDlg(_Node, this, this);
	gcd->init(this);
	_GlobalColorDlg = gcd;
	updateModifiedFlag();
}

///=====================================================================
void CParticleSystemEdit::OnGlobalColor() 
{	
	/// if the system hasn't a global color scheme, add one.
	if (_Node->getPSPointer()->getColorAttenuationScheme() == NULL)
	{
		static const NLMISC::CRGBA grad[] = { NLMISC::CRGBA::White, NLMISC::CRGBA::Black };
		_Node->getPSPointer()->setColorAttenuationScheme(new NL3D::CPSColorGradient(grad, 2, 64, 1.f));
		GetDlgItem(IDC_EDIT_GLOBAL_COLOR)->EnableWindow(TRUE);
	}
	else
	{
		_Node->getPSPointer()->setColorAttenuationScheme(NULL);
		GetDlgItem(IDC_EDIT_GLOBAL_COLOR)->EnableWindow(FALSE);
	}
	updateModifiedFlag();
}


/////////////////////////////
// WRAPPERS IMPLEMENTATION //
/////////////////////////////

//=====================================================
float CTimeThresholdWrapper::get(void) const
{
	NL3D::TAnimationTime t;
	uint32 max;
	bool csd;
	bool klt;
	PS->getAccurateIntegrationParams(t, max, csd, klt);
	return t;
}

//=====================================================
void CTimeThresholdWrapper::set(const float &tt)
{
	NL3D::TAnimationTime t;
	uint32 max;
	bool csd;
	bool klt;
	PS->getAccurateIntegrationParams(t, max, csd, klt);
	PS->setAccurateIntegrationParams(tt, max, csd, klt);	
}


//=====================================================
uint32 CMaxNbIntegrationWrapper::get(void) const
{
	NL3D::TAnimationTime t;
	uint32 max;
	bool csd;
	bool klt;
	PS->getAccurateIntegrationParams(t, max, csd, klt);
	return max;
}

//=====================================================
void CMaxNbIntegrationWrapper::set(const uint32 &nmax)
{
	NL3D::TAnimationTime t;
	uint32 max;
	bool csd;
	bool klt;
	PS->getAccurateIntegrationParams(t, max, csd, klt);
	PS->setAccurateIntegrationParams(t, nmax, csd, klt);	
}
	
//=====================================================
float CUserParamWrapper::get(void) const 
{ 
	return PS->getUserParam(Index); 
}

//=====================================================
void CUserParamWrapper::set(const float &v)
{
	PS->setUserParam(Index, v); 
}

//=====================================================
float CMaxViewDistWrapper::get(void) const
{
	return PS->getMaxViewDist();
}

//=====================================================
void CMaxViewDistWrapper::set(const float &d)
{
	PS->setMaxViewDist(d);
}

//=====================================================
float CLODRatioWrapper::get(void) const
{
	return PS->getLODRatio();
}

//=====================================================
void CLODRatioWrapper::set(const float &v)
{
	PS->setLODRatio(v);
}

//=====================================================
void CParticleSystemEdit::OnForceLifeTimeUpdate() 
{
	NL3D::TAnimationTime t;
	uint32 max;
	bool csd;
	bool klt;	
	_Node->getPSPointer()->getAccurateIntegrationParams(t, max, csd, klt);
	klt = ((CButton *)	GetDlgItem(IDC_FORCE_LIFE_TIME_UPDATE))->GetCheck() != 0;
	_Node->getPSPointer()->setAccurateIntegrationParams(t, max, csd, klt);
	updateModifiedFlag();
}

//=====================================================
void CParticleSystemEdit::OnEnableLoadBalancing() 
{
	UpdateData(TRUE);
	if (m_EnableLoadBalancing == FALSE)
	{
		int result = MessageBox(_T("Are you sure ?"), _T("Load balancing on/off"), MB_OKCANCEL);
		if (result == IDOK)
		{
			_Node->getPSPointer()->enableLoadBalancing(false);
		}
		else
		{
			m_EnableLoadBalancing = TRUE;
		}
	}
	else
	{
		_Node->getPSPointer()->enableLoadBalancing(false);
	}
	UpdateData(FALSE);
	updateModifiedFlag();
}

//=====================================================
static void chooseGlobalUserParam(uint userParam, NL3D::CParticleSystem *ps, CWnd *parent)
{
	nlassert(ps);
	CChooseName cn(!ps->getGlobalValueName(userParam).empty() ? ps->getGlobalValueName(userParam).c_str() : "", parent);
	if (cn.DoModal() == IDOK)
	{
		ps->bindGlobalValueToUserParam(cn.getName().c_str(), userParam);
	}
}	

//=====================================================
void CParticleSystemEdit::OnGlobalUserParam1() 
{
	nlassert(_Node->getPSPointer());
	chooseGlobalUserParam(0, _Node->getPSPointer(), this);
}

//=====================================================
void CParticleSystemEdit::OnGlobalUserParam2() 
{	
	chooseGlobalUserParam(1, _Node->getPSPointer(), this);
	updateModifiedFlag();
}

//=====================================================
void CParticleSystemEdit::OnGlobalUserParam3() 
{
	chooseGlobalUserParam(2, _Node->getPSPointer(), this);
	updateModifiedFlag();
}

//=====================================================
void CParticleSystemEdit::OnGlobalUserParam4() 
{
	chooseGlobalUserParam(3, _Node->getPSPointer(), this);
	updateModifiedFlag();
}

//=====================================================
void CParticleSystemEdit::OnBypassMaxNumSteps() 
{ 
	UpdateData(TRUE);
	if (m_BypassMaxNumSteps && !_Node->getPSPointer()->canFinish())
	{		
		MessageBox(_T("The system must have a finite duration for this setting! Please check that."), _T("error"), MB_ICONEXCLAMATION);
		return;
	}
	_Node->getPSPointer()->setBypassMaxNumIntegrationSteps(m_BypassMaxNumSteps != FALSE);	
	_MaxIntegrationStepDlg->EnableWindow(_Node->getPSPointer()->getBypassMaxNumIntegrationSteps() ? FALSE : TRUE);
	updateModifiedFlag();
}

//=====================================================
void CParticleSystemEdit::OnForceGlobalLighitng() 
{
	UpdateData(TRUE);
	_Node->getPSPointer()->setForceGlobalColorLightingFlag(m_ForceLighting != 0);
	if (_Node && _Node->getPSModel())
	{	
		_Node->getPSModel()->touchLightableState();
	}
	updateModifiedFlag();
}

//=====================================================
void CParticleSystemEdit::OnAutoDelay() 
{
	UpdateData(TRUE);
	bool autoDelay = ((CButton *) GetDlgItem(IDC_AUTO_DELAY))->GetCheck() != 0;
	_Node->getPSPointer()->setAutoComputeDelayBeforeDeathConditionTest(autoDelay);
	GetDlgItem(IDC_APPLY_AFTER_DELAY)->EnableWindow(autoDelay ? FALSE : TRUE);
	updateModifiedFlag();
}

//=====================================================
void CParticleSystemEdit::refresh()
{
	updatePrecomputedBBoxParams();
	updateIntegrationParams();
	updateDieOnEventParams();
	updateLifeMgtPresets();
}

//=====================================================
void CParticleSystemEdit::OnChangeBBX() 
{
	UpdateData();	
	// Trick to track "Enter" keypress: CEdit are multiline. If GetLineCount()>1, then
	// user has press enter.
	if(m_BBoxXCtrl.GetLineCount()>1)
	{
		// must ccat 2 lines of the CEdit.
		concatEdit2Lines(m_BBoxXCtrl);
		m_BBoxXCtrl.GetWindowText(m_BBoxX);
		updateBBoxFromText();		
		updateModifiedFlag();
	}
}

//=====================================================
void CParticleSystemEdit::OnChangeBBY() 
{
	UpdateData();	
	// Trick to track "Enter" keypress: CEdit are multiline. If GetLineCount()>1, then
	// user has press enter.
	if(m_BBoxYCtrl.GetLineCount()>1)
	{
		// must ccat 2 lines of the CEdit.
		concatEdit2Lines(m_BBoxYCtrl);
		m_BBoxYCtrl.GetWindowText(m_BBoxY);
		updateBBoxFromText();
		updateModifiedFlag();
	}
}

//=====================================================
void CParticleSystemEdit::OnChangeBBZ() 
{
	UpdateData();	
	// Trick to track "Enter" keypress: CEdit are multiline. If GetLineCount()>1, then
	// user has press enter.
	if(m_BBoxZCtrl.GetLineCount()>1)
	{
		// must ccat 2 lines of the CEdit.
		concatEdit2Lines(m_BBoxZCtrl);
		m_BBoxZCtrl.GetWindowText(m_BBoxZ);
		updateBBoxFromText();
		updateModifiedFlag();
	}	
}

//=====================================================
void CParticleSystemEdit::OnAutoBbox() 
{
	nlassert(_ParticleTreeCtrl);
	_ParticleTreeCtrl->getParticleDlg()->setAutoBBox(!_ParticleTreeCtrl->getParticleDlg()->getAutoBBox());
	updatePrecomputedBBoxParams();
	updateModifiedFlag();
}

//=====================================================
void CParticleSystemEdit::OnResetBBox() 
{
	nlassert(_ParticleTreeCtrl);
	_ParticleTreeCtrl->getParticleDlg()->resetAutoBBox();
	updateModifiedFlag();
}

//=====================================================
void CParticleSystemEdit::OnLockFrameDelay() 
{
	bool locked = !_ParticleTreeCtrl->getParticleDlg()->getObjectViewer()->getFrameDelayDlg()->isLockedToPS();
	_ParticleTreeCtrl->getParticleDlg()->getObjectViewer()->getFrameDelayDlg()->lockToPS(locked);
	CString buttonStr;
	buttonStr.LoadString(locked ? IDS_UNLOCK_PS : IDS_LOCK_PS);
	GetDlgItem(IDC_LOCK_FRAME_DELAY)->SetWindowText(buttonStr);	
}