From 393b5cd1dc438872af89d334ef6e5fcc59f27d47 Mon Sep 17 00:00:00 2001
From: David Walter Seikel
Date: Sun, 13 Jan 2013 17:24:39 +1000
Subject: Added Irrlicht 1.8, but without all the Windows binaries.

---
 .../tools/GUIEditor/CMemoryReadWriteFile.cpp       | 95 ++++++++++++++++++++++
 1 file changed, 95 insertions(+)
 create mode 100644 libraries/irrlicht-1.8/tools/GUIEditor/CMemoryReadWriteFile.cpp

(limited to 'libraries/irrlicht-1.8/tools/GUIEditor/CMemoryReadWriteFile.cpp')

diff --git a/libraries/irrlicht-1.8/tools/GUIEditor/CMemoryReadWriteFile.cpp b/libraries/irrlicht-1.8/tools/GUIEditor/CMemoryReadWriteFile.cpp
new file mode 100644
index 0000000..0a69587
--- /dev/null
+++ b/libraries/irrlicht-1.8/tools/GUIEditor/CMemoryReadWriteFile.cpp
@@ -0,0 +1,95 @@
+// Copyright (C) 2002-2012 Nikolaus Gebhardt
+// This file is part of the "Irrlicht Engine".
+// For conditions of distribution and use, see copyright notice in irrlicht.h
+
+#include "CMemoryReadWriteFile.h"
+
+using namespace irr;
+using namespace io;
+
+CMemoryReadWriteFile::CMemoryReadWriteFile(const c8* filename)
+:  Data(), FileName(filename), Pos(0)
+{
+}
+
+
+s32 CMemoryReadWriteFile::write(const void* buffer, u32 sizeToWrite)
+{
+	// no point in writing 0 bytes
+	if (sizeToWrite < 1)
+		return 0;
+
+	// expand size
+	if (Pos + sizeToWrite > Data.size())
+		Data.set_used(Pos+sizeToWrite);
+
+	// copy data
+	memcpy( (void*) &Data[Pos], buffer, (size_t) sizeToWrite);
+
+	Pos += sizeToWrite;
+
+	return sizeToWrite;
+
+}
+
+bool CMemoryReadWriteFile::seek(long finalPos, bool relativeMovement)
+{
+	if (relativeMovement)
+	{
+		if (finalPos + Pos < 0)
+			return 0;
+		else
+			Pos += finalPos;
+	}
+	else
+	{
+		Pos = finalPos;
+	}
+
+	if (Pos > (s32)Data.size())
+		Data.set_used(Pos+1);
+
+	return true;
+
+}
+
+const io::path& CMemoryReadWriteFile::getFileName() const
+{
+	return FileName;
+}
+
+long CMemoryReadWriteFile::getPos() const
+{
+	return Pos;
+}
+
+core::array<c8>& CMemoryReadWriteFile::getData()
+{
+	return Data;
+}
+
+
+long CMemoryReadWriteFile::getSize() const
+{
+	return Data.size();
+}
+
+
+s32 CMemoryReadWriteFile::read(void* buffer, u32 sizeToRead)
+{
+	// cant read past the end
+	if (Pos + sizeToRead >= Data.size())
+		sizeToRead = Data.size() - Pos;
+
+	// cant read 0 bytes
+	if (!sizeToRead)
+		return 0;
+
+	// copy data
+	memcpy( buffer, (void*) &Data[Pos], (size_t) sizeToRead);
+
+	Pos += sizeToRead;
+
+	return sizeToRead;
+}
+
-- 
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