The big NULL replacement party part 1.

This is meant to be a safer alternative since
NULL can often be 0. Let's not rely on that.

And yes, I know this is a lot of files. This is
a safer thing to do in big commits vs for loops.

src/RageTexturePreloader.cpp

@@ -1,74 +1,74 @@
-/*
- * Preemptively load textures before use, by loading it and keeping
- * a reference to it.  By putting a RageTexturePreloader inside the
- * object doing the preloading, the preload will exist for the lifetime
- * of that object.
- */
-
-#include "global.h"
-#include "RageTexturePreloader.h"
-#include "RageTextureManager.h"
-
-RageTexturePreloader &RageTexturePreloader::operator=( const RageTexturePreloader &rhs )
-{
-	if( &rhs == this )
-		return *this;
-
-	UnloadAll();
-
-	for( unsigned i = 0; i < rhs.m_apTextures.size(); ++i )
-	{
-		RageTexture *pTexture = TEXTUREMAN->CopyTexture( rhs.m_apTextures[i] );
-		m_apTextures.push_back( pTexture );
-	}
-
-	return *this;
-}
-
-void RageTexturePreloader::Load( const RageTextureID &ID )
-{
-	ASSERT( TEXTUREMAN != NULL );
-
-	RageTexture *pTexture = TEXTUREMAN->LoadTexture( ID );
-	m_apTextures.push_back( pTexture );
-}
-
-void RageTexturePreloader::UnloadAll()
-{
-	if( TEXTUREMAN == NULL )
-		return;
-
-	for( unsigned i = 0; i < m_apTextures.size(); ++i )
-		TEXTUREMAN->UnloadTexture( m_apTextures[i] );
-	m_apTextures.clear();
-}
-
-RageTexturePreloader::~RageTexturePreloader()
-{
-	UnloadAll();
-}
-
-/*
- * (c) 2005 Glenn Maynard
- * All rights reserved.
- * 
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the
- * "Software"), to deal in the Software without restriction, including
- * without limitation the rights to use, copy, modify, merge, publish,
- * distribute, and/or sell copies of the Software, and to permit persons to
- * whom the Software is furnished to do so, provided that the above
- * copyright notice(s) and this permission notice appear in all copies of
- * the Software and that both the above copyright notice(s) and this
- * permission notice appear in supporting documentation.
- * 
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF
- * THIRD PARTY RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR HOLDERS
- * INCLUDED IN THIS NOTICE BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL INDIRECT
- * OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
- * OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
- * OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
- * PERFORMANCE OF THIS SOFTWARE.
- */
+/*
+ * Preemptively load textures before use, by loading it and keeping
+ * a reference to it.  By putting a RageTexturePreloader inside the
+ * object doing the preloading, the preload will exist for the lifetime
+ * of that object.
+ */
+
+#include "global.h"
+#include "RageTexturePreloader.h"
+#include "RageTextureManager.h"
+
+RageTexturePreloader &RageTexturePreloader::operator=( const RageTexturePreloader &rhs )
+{
+	if( &rhs == this )
+		return *this;
+
+	UnloadAll();
+
+	for( unsigned i = 0; i < rhs.m_apTextures.size(); ++i )
+	{
+		RageTexture *pTexture = TEXTUREMAN->CopyTexture( rhs.m_apTextures[i] );
+		m_apTextures.push_back( pTexture );
+	}
+
+	return *this;
+}
+
+void RageTexturePreloader::Load( const RageTextureID &ID )
+{
+	ASSERT( TEXTUREMAN != nullptr );
+
+	RageTexture *pTexture = TEXTUREMAN->LoadTexture( ID );
+	m_apTextures.push_back( pTexture );
+}
+
+void RageTexturePreloader::UnloadAll()
+{
+	if( TEXTUREMAN == NULL )
+		return;
+
+	for( unsigned i = 0; i < m_apTextures.size(); ++i )
+		TEXTUREMAN->UnloadTexture( m_apTextures[i] );
+	m_apTextures.clear();
+}
+
+RageTexturePreloader::~RageTexturePreloader()
+{
+	UnloadAll();
+}
+
+/*
+ * (c) 2005 Glenn Maynard
+ * All rights reserved.
+ * 
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, and/or sell copies of the Software, and to permit persons to
+ * whom the Software is furnished to do so, provided that the above
+ * copyright notice(s) and this permission notice appear in all copies of
+ * the Software and that both the above copyright notice(s) and this
+ * permission notice appear in supporting documentation.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF
+ * THIRD PARTY RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR HOLDERS
+ * INCLUDED IN THIS NOTICE BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL INDIRECT
+ * OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
+ * OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
+ * OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */