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hammer/misc.cpp

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+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: Miscellaneous utility functions.
+//
+// $NoKeywords: $
+//=============================================================================//
+
+#include "stdafx.h"
+#include <direct.h>
+#include <time.h>
+#include "MapSolid.h"
+#include "mapworld.h"
+
+// memdbgon must be the last include file in a .cpp file!!!
+#include <tier0/memdbgon.h>
+
+
+static DWORD holdrand;
+
+
+void randomize()
+{
+	holdrand = DWORD(time(NULL));
+}
+
+
+DWORD random()
+{
+	return(holdrand = holdrand * 214013L + 2531011L);
+}
+
+
+// MapCheckDlg.cpp:
+BOOL DoesContainDuplicates(CMapSolid *pSolid);
+static BOOL bCheckDupes = FALSE;
+
+
+void NotifyDuplicates(CMapSolid *pSolid)
+{
+	if(!bCheckDupes)
+		return;	// stop that
+
+	if(DoesContainDuplicates(pSolid))
+	{
+		if(IDNO == AfxMessageBox("Duplicate Plane! Do you want more messages?", 
+			MB_YESNO))
+		{
+			bCheckDupes = FALSE;
+		}
+	}
+}
+
+
+void NotifyDuplicates(const CMapObjectList *pList)
+{
+	if(!bCheckDupes)
+		return;	// stop that
+
+	FOR_EACH_OBJ( *pList, pos )
+	{
+		CMapClass *pobj = pList->Element(pos);
+		if(!pobj->IsMapClass(MAPCLASS_TYPE(CMapSolid)))
+			continue;	// not a solid
+		NotifyDuplicates((CMapSolid*) pobj);
+	}
+}
+
+
+int mychdir(LPCTSTR pszDir)
+{
+	int curdrive = _getdrive();
+
+	// changes to drive/directory
+	if(pszDir[1] == ':' && _chdrive(toupper(pszDir[0]) - 'A' + 1) == -1)
+		return -1;
+	if(_chdir(pszDir) == -1)
+	{
+		// change back to original disk
+		_chdrive(curdrive);
+		return -1;
+	}
+
+	return 0;
+}
+
+
+void WriteDebug(char *pszStr)
+{
+#if 0
+	static BOOL bFirst = TRUE;
+	
+	if(bFirst)
+		remove("wcdebug.txt");
+
+	bFirst = FALSE;
+
+	FILE *fp = fopen("wcdebug.txt", "ab");
+	fprintf(fp, "%s\r\n", pszStr);
+	fclose(fp);
+#endif
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Adds the given object to the list if it is a leaf object (no children).
+// Input  : pObject - Object to add to the list.
+//			pList - List to put the children in.
+// Output : Returns TRUE to continue enumerating when called from EnumChildren.
+//-----------------------------------------------------------------------------
+BOOL AddLeavesToListCallback(CMapClass *pObject, CMapObjectList *pList)
+{
+	if (pObject->GetChildCount() == 0)
+	{
+		pList->AddToTail(pObject);
+	}
+
+	return(TRUE);
+}
+
+bool IsWorldObject(CMapAtom *pObject)
+{
+	return (dynamic_cast<CMapWorld*>(pObject) != NULL);
+}