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hammer/op_flags.cpp

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+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: Implements the spawnflags page of the Entity Properties dialog.
+//
+//=============================================================================//
+
+#include "stdafx.h"
+#include "hammer.h"
+#include "OP_Flags.h"
+#include "OP_Entity.h"
+#include "ObjectProperties.h"
+
+// memdbgon must be the last include file in a .cpp file!!!
+#include <tier0/memdbgon.h>
+
+/////////////////////////////////////////////////////////////////////////////
+// COP_Flags property page
+
+IMPLEMENT_DYNCREATE(COP_Flags, CObjectPage)
+
+COP_Flags::COP_Flags() : CObjectPage(COP_Flags::IDD)
+{
+	//{{AFX_DATA_INIT(COP_Flags)
+		// NOTE: the ClassWizard will add member initialization here
+	//}}AFX_DATA_INIT
+	m_pEditObjectRuntimeClass = RUNTIME_CLASS(editCEditGameClass);
+	m_nNumSelectedObjects = 0;
+	m_pEntityPage = NULL;
+}
+
+COP_Flags::~COP_Flags()
+{
+}
+
+void COP_Flags::SetEntityPage( COP_Entity *pPage )
+{
+	m_pEntityPage = pPage;
+}
+
+void COP_Flags::DoDataExchange(CDataExchange* pDX)
+{
+	CObjectPage::DoDataExchange(pDX);
+	//{{AFX_DATA_MAP(COP_Flags)
+		// NOTE: the ClassWizard will add DDX and DDV calls here
+	//}}AFX_DATA_MAP
+}
+
+BEGIN_MESSAGE_MAP(COP_Flags, CObjectPage)
+	//{{AFX_MSG_MAP(COP_Flags)
+	ON_CLBN_CHKCHANGE(IDC_CHECKLIST, OnCheckListChange)
+	ON_WM_SIZE()
+	//}}AFX_MSG_MAP
+END_MESSAGE_MAP()
+
+/////////////////////////////////////////////////////////////////////////////
+// COP_Flags message handlers
+
+void COP_Flags::UpdateData( int Mode, PVOID pData, bool bCanEdit )
+{
+	__super::UpdateData( Mode, pData, bCanEdit );
+
+	if(!IsWindow(m_hWnd) || !pData)
+	{
+		return;
+	}
+	
+	CEditGameClass *pObj = (CEditGameClass*) pData;
+
+	if (Mode == LoadFirstData)
+	{
+		UpdateForClass(pObj);
+		
+	}
+	else if (Mode == LoadData)
+	{
+		MergeForClass(pObj);
+	}
+    CreateCheckList();
+
+	m_CheckList.EnableWindow( m_bCanEdit ? TRUE : FALSE );
+}
+
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+// Output : Returns true on success, false on failure.
+//-----------------------------------------------------------------------------
+bool COP_Flags::SaveData(void)
+{
+	if (!IsWindow(m_hWnd))
+	{
+		return(false);
+	}
+
+	//
+	// Apply the dialog data to all the objects being edited.
+	//
+	FOR_EACH_OBJ( *m_pObjectList, pos )
+	{
+		CMapClass *pObject = m_pObjectList->Element(pos);
+		CEditGameClass *pEdit = dynamic_cast <CEditGameClass *>(pObject);
+		Assert(pEdit != NULL);
+
+		if ( pEdit != NULL )
+		{
+			for ( int i = 0; i < m_CheckListItems.Count(); i++ )
+			{
+				CheckListItem currentItem = m_CheckListItems.Element( i );
+				// don't save tri-stated bit
+				if ( m_CheckList.GetCheck(i) != 2 )
+				{
+					pEdit->SetSpawnFlag( currentItem.nItemBit, m_CheckList.GetCheck(i) ? TRUE : FALSE );
+				}
+			}
+		}
+	}
+
+	return(true);
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: This function is used to initialize the flag checklist.
+//			It is called to place all the flags belonging to the first
+//			selected object into the temporary CheckListItems vector
+//-----------------------------------------------------------------------------
+
+void COP_Flags::UpdateForClass(CEditGameClass* pObj)
+{
+	extern GameData *pGD;
+
+	GDclass * pClass = pGD->ClassForName(pObj->GetClassName());
+
+	if(!IsWindow(m_hWnd))
+		return;
+
+	m_nNumSelectedObjects = 1;
+
+	m_CheckListItems.RemoveAll();
+
+	if(pClass)
+	{
+		GDinputvariable *pVar = pClass->VarForName("spawnflags");
+
+		if (pVar)
+		{
+			int nItems = pVar->GetFlagCount();		
+
+			for ( int i = 0; i < nItems; i++ )
+			{
+				CheckListItem newItem;
+				newItem.nItemBit = pVar->GetFlagMask( i );
+				newItem.pszItemString = pVar->GetFlagCaption( i );
+				newItem.state = pObj->GetSpawnFlag( newItem.nItemBit ) ? 1 : 0;
+				m_CheckListItems.AddToTail( newItem );			
+			}
+		}
+	}
+
+	Assert( m_CheckListItems.Count() <= 32 );
+
+	for ( int i = 0; i < 32; i++ )
+	{
+		int nBitPattern = 1 << i;
+		// is spawnflag for this bit set?
+		if ( pObj->GetSpawnFlag(nBitPattern) )
+		{
+			int j;
+			// then see if its allowed to be
+			for ( j = 0; j < m_CheckListItems.Count(); j ++ )
+			{
+				int nCheckListPattern = m_CheckListItems.Element(j).nItemBit;
+				if ( nCheckListPattern == nBitPattern )
+					break;
+			}
+			// we fail to find it?
+			if ( j == m_CheckListItems.Count() )
+			{
+				CheckListItem newItem;
+				newItem.nItemBit = nBitPattern;
+				newItem.pszItemString = "????";
+				newItem.state = 1;
+				m_CheckListItems.AddToTail( newItem );
+			}				
+		}
+	}
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: This function is called to combine flags when multiple objects are selected
+//			It removes flags from the CheckListItem vector that are not present in all selected objects
+//-----------------------------------------------------------------------------
+void COP_Flags::MergeForClass(CEditGameClass* pObj)
+{
+	extern GameData *pGD;
+	GDclass * pClass = pGD->ClassForName(pObj->GetClassName());
+
+	if( !IsWindow(m_hWnd) )
+		return;
+
+	m_nNumSelectedObjects++;
+
+	if( pClass )
+	{
+		GDinputvariable *pVar = pClass->VarForName("spawnflags");
+
+		for ( int i = m_CheckListItems.Count() - 1; i >= 0; i-- )
+		{	
+			bool bFound = false;
+			CheckListItem currentItem = m_CheckListItems.Element( i ); 
+			if ( pVar )
+			{
+				for ( int j = 0; j < pVar->GetFlagCount(); j++ )
+				{
+					CheckListItem newItem;
+					newItem.nItemBit = pVar->GetFlagMask(j);
+					newItem.pszItemString = pVar->GetFlagCaption(j);
+					if ( newItem == currentItem )
+					{
+						bFound = true;
+						int nNewState = pObj->GetSpawnFlag( newItem.nItemBit ) ? 1 : 0;
+						if ( currentItem.state != nNewState )
+						{
+							m_CheckListItems.Element( i ).state = 2;
+						}
+						break;
+					}
+				}
+			}
+			if ( !bFound )
+			{
+				m_CheckListItems.FastRemove( i );
+			}
+		}
+	}
+	Assert( m_CheckListItems.Count() <= 32 );	
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Creates the checklist by stepping through the CheckListItems vector that
+//			was created during Update/MergeForClass
+//-----------------------------------------------------------------------------
+void COP_Flags::CreateCheckList()
+{
+	m_CheckList.ResetContent();
+	
+	if ( m_nNumSelectedObjects > 1 )
+	{
+		m_CheckList.SetCheckStyle(BS_AUTO3STATE);
+	}
+
+	for ( int i = 0; i < m_CheckListItems.Count(); i++ )
+	{
+		CheckListItem newItem = m_CheckListItems.Element(i);
+		m_CheckList.InsertString(i, newItem.pszItemString);
+		m_CheckList.SetCheck(i, newItem.state);
+	}
+}
+
+void COP_Flags::OnUpdateSpawnFlags( unsigned long value )
+{
+	for ( int i=0; i < m_CheckListItems.Count(); i++ )
+	{
+		CheckListItem &item = m_CheckListItems[i];
+		m_CheckList.SetCheck( i, (value & item.nItemBit) != 0 );
+	}
+}
+
+BOOL COP_Flags::OnInitDialog() 
+{	
+	CObjectPage::OnInitDialog();
+
+	m_nNumSelectedObjects = 0;
+
+	// Subclass checklistbox
+	m_CheckList.SubclassDlgItem(IDC_CHECKLIST, this);
+	m_CheckList.SetCheckStyle(BS_AUTOCHECKBOX);
+	m_CheckList.ResetContent();
+
+	CAnchorDef anchorDefs[] =
+	{
+		CAnchorDef( IDC_CHECKLIST, k_eSimpleAnchorAllSides )
+	};
+	m_AnchorMgr.Init( GetSafeHwnd(), anchorDefs, ARRAYSIZE( anchorDefs ) );
+	
+	return TRUE;	             
+}
+
+void COP_Flags::OnCheckListChange() 
+{
+	if ( !m_pEntityPage )
+		return;
+
+	unsigned long bitsSet = 0;
+	unsigned long triStateMask = 0;
+
+	// This is just like SaveData.. collect the state of all the checks.	
+	for ( int i = 0; i < m_CheckListItems.Count(); i++ )
+	{
+		CheckListItem currentItem = m_CheckListItems.Element( i );
+		
+		// If multiple of the selected entities have a different value for this flag,
+		// note that. The entity page will use triStateMask to denote flags that
+		// it should leave alone.
+		if ( m_CheckList.GetCheck(i) == 2 )
+			triStateMask |= currentItem.nItemBit;
+		else if ( m_CheckList.GetCheck( i ) )
+			bitsSet |= currentItem.nItemBit;
+	}
+
+	m_pEntityPage->OnUpdateSpawnFlags( triStateMask, bitsSet );    
+}
+
+void COP_Flags::OnSize( UINT nType, int cx, int cy )
+{
+	m_AnchorMgr.OnSize();
+}