Initial android support (#17)

* Upload Android armv7 libs

* Fix debug build

* utlvector: fix undefined behavior

* wscript: add --use-ccache option

* wscript: store ccache in a separate directory

* Propertly use gl4es

* fontconfig: fix font detection

* [android]remove fontconfig dependency

* Add build guide for other platforms

Co-authored-by: JusicP <slender87844@gmail.com>
Co-authored-by: nillerusr <nillerusr@users.noreply.github.com>

public/filesystem_init.cpp

@@ -341,29 +341,40 @@ bool FileSystem_GetExecutableDir( char *exedir, int exeDirLen )
 
 	Q_FixSlashes( exedir );
 
+#ifdef ANDROID
+	const char* libDir = "lib";
+#else
+	const char* libDir = "bin";
+#endif
+
 	// Return the bin directory as the executable dir if it's not in there
 	// because that's really where we're running from...
 	char ext[MAX_PATH];
 	Q_StrRight( exedir, 4, ext, sizeof( ext ) );
-	if ( ext[0] != CORRECT_PATH_SEPARATOR || Q_stricmp( ext+1, "bin" ) != 0 )
+	if ( ext[0] != CORRECT_PATH_SEPARATOR || Q_stricmp( ext+1, libDir ) != 0 )
 	{
 		Q_strncat( exedir, CORRECT_PATH_SEPARATOR_S, exeDirLen, COPY_ALL_CHARACTERS );
-		Q_strncat( exedir, "bin", exeDirLen, COPY_ALL_CHARACTERS );
+		Q_strncat( exedir, libDir, exeDirLen, COPY_ALL_CHARACTERS );
 		Q_FixSlashes( exedir );
 	}
-	
+
 	return true;
 }
 
 static bool FileSystem_GetBaseDir( char *baseDir, int baseDirLen )
 {
+#ifdef ANDROID
+	strncpy(baseDir, getenv("VALVE_GAME_PATH"), baseDirLen);
+	return true;
+#else
 	if ( FileSystem_GetExecutableDir( baseDir, baseDirLen ) )
 	{
 		Q_StripFilename( baseDir );
 		return true;
 	}
-	
+
 	return false;
+#endif
 }
 
 void LaunchVConfig()
@@ -543,6 +554,8 @@ FSReturnCode_t FileSystem_LoadSearchPaths( CFSSearchPathsInit &initInfo )
 	if ( !FileSystem_GetBaseDir( baseDir, sizeof( baseDir ) ) )
 		return SetupFileSystemError( false, FS_INVALID_PARAMETERS, "FileSystem_GetBaseDir failed." );
 
+	Msg("filesystem BaseDir: %s\n", baseDir);
+
 	// The MOD directory is always the one that contains gameinfo.txt
 	Q_strncpy( initInfo.m_ModPath, initInfo.m_pDirectoryName, sizeof( initInfo.m_ModPath ) );
 

public/tier0/memdbgon.h

@@ -39,7 +39,9 @@
 		#define _NORMAL_BLOCK 1
 		
 		#include <cstddef>
+		#ifndef ANDROID
 		#include <glob.h>
+		#endif
 		#include <new>
 		#include <sys/types.h>
 		#if !defined( DID_THE_OPERATOR_NEW )

public/tier0/memoverride.cpp

@@ -390,7 +390,7 @@ extern "C"
 // ensures they are here even when linking against debug or release static libs
 //-----------------------------------------------------------------------------
 #ifndef NO_MEMOVERRIDE_NEW_DELETE
-#ifdef OSX
+#if defined (OSX) || defined (ANDROID)
 void *__cdecl operator new( size_t nSize ) throw (std::bad_alloc)
 #else
 void *__cdecl operator new( size_t nSize )
@@ -404,7 +404,7 @@ void *__cdecl operator new( size_t nSize, int nBlockUse, const char *pFileName,
 	return g_pMemAlloc->Alloc(nSize, pFileName, nLine);
 }
 
-#ifdef OSX
+#if defined (OSX) || defined (ANDROID)
 void __cdecl operator delete( void *pMem ) throw()
 #else
 void __cdecl operator delete( void *pMem )
@@ -412,8 +412,7 @@ void __cdecl operator delete( void *pMem )
 {
 	g_pMemAlloc->Free( pMem );
 }
-
-#ifdef OSX
+#if defined (OSX) || defined (ANDROID)
 void operator delete(void*pMem, std::size_t)
 #else
 void operator delete(void*pMem, std::size_t) throw()
@@ -422,7 +421,7 @@ void operator delete(void*pMem, std::size_t) throw()
 	g_pMemAlloc->Free( pMem );
 }
 
-#ifdef OSX
+#if defined (OSX) || defined (ANDROID)
 void *__cdecl operator new[]( size_t nSize ) throw (std::bad_alloc)
 #else
 void *__cdecl operator new[]( size_t nSize )
@@ -436,7 +435,7 @@ void *__cdecl operator new[] ( size_t nSize, int nBlockUse, const char *pFileNam
 	return g_pMemAlloc->Alloc(nSize, pFileName, nLine);
 }
 
-#ifdef OSX
+#if defined (OSX) || defined (ANDROID)
 void __cdecl operator delete[]( void *pMem ) throw()
 #else
 void __cdecl operator delete[]( void *pMem )

public/tier1/utlvector.h

@@ -182,6 +182,7 @@ public:
 
 	// Purges the list and calls delete on each element in it.
 	void PurgeAndDeleteElements();
+	void PurgeAndDeleteElementsArray();
 
 	// Compacts the vector to the number of elements actually in use 
 	void Compact();
@@ -475,6 +476,18 @@ public:
 		}
 	}
 
+	void PurgeAndDeleteElementsArray()
+	{
+		if ( m_pData != StaticData() )
+		{
+			for( int i=0; i < m_pData->m_Size; i++ )
+			{
+				delete[] Element(i);
+			}
+			RemoveAll();
+		}
+	}
+
 	void FastRemove( int elem )
 	{
 		Assert( IsValidIndex(elem) );
@@ -1413,6 +1426,17 @@ inline void CUtlVector<T, A>::PurgeAndDeleteElements()
 	Purge();
 }
 
+template< typename T, class A >
+inline void CUtlVector<T, A>::PurgeAndDeleteElementsArray()
+{
+	for( int i=0; i < m_Size; i++ )
+	{
+		delete[] Element(i);
+	}
+	RemoveAll();
+}
+
+
 template< typename T, class A >
 inline void CUtlVector<T, A>::Compact()
 {
@@ -1441,23 +1465,16 @@ void CUtlVector<T, A>::Validate( CValidator &validator, char *pchName )
 }
 #endif // DBGFLAG_VALIDATE
 
-// A vector class for storing pointers, so that the elements pointed to by the pointers are deleted
-// on exit.
-template<class T> class CUtlVectorAutoPurge : public CUtlVector< T, CUtlMemory< T, int> >
-{
-public:
-	~CUtlVectorAutoPurge( void )
-	{
-		this->PurgeAndDeleteElements();
-	}
-
-};
-
 // easy string list class with dynamically allocated strings. For use with V_SplitString, etc.
 // Frees the dynamic strings in destructor.
-class CUtlStringList : public CUtlVectorAutoPurge< char *>
+class CUtlStringList : public CUtlVector< char*, CUtlMemory< char*, int > >
 {
 public:
+	~CUtlStringList( void )
+	{
+		PurgeAndDeleteElementsArray();
+	}
+
 	void CopyAndAddToTail( char const *pString )			// clone the string and add to the end
 	{
 		char *pNewStr = new char[1 + strlen( pString )];