Initial commit: ROW Client source code

Game client codebase including:
- CharacterActionControl: Character and creature management
- GlobalScript: Network, items, skills, quests, utilities
- RYLClient: Main client application with GUI and event handlers
- Engine: 3D rendering engine (RYLGL)
- MemoryManager: Custom memory allocation
- Library: Third-party dependencies (DirectX, boost, etc.)
- Tools: Development utilities

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

Engine/Zalla3D Base Class/RenderTexture.h

@@ -0,0 +1,39 @@
+// RenderTexture.h: interface for the CRenderTexture class.
+//
+//////////////////////////////////////////////////////////////////////
+
+#if !defined(AFX_RENDERTEXTURE_H__0EC50F46_F5C3_4873_AC41_9702AF503767__INCLUDED_)
+#define AFX_RENDERTEXTURE_H__0EC50F46_F5C3_4873_AC41_9702AF503767__INCLUDED_
+
+#if _MSC_VER > 1000
+#pragma once
+#endif // _MSC_VER > 1000
+
+#include <d3dx8.h>
+
+class CRenderTexture  
+{	
+	LPDIRECT3DTEXTURE8 m_pRenderTexture;	
+	LPDIRECT3DSURFACE8 m_pRenderSurface;		
+	static LPDIRECT3DSURFACE8 m_pRenderZBuffer;	
+
+	static LPDIRECT3DTEXTURE8 m_pCopyLockTexture;
+	static LPDIRECT3DSURFACE8 m_pCopyLockSurface;	
+
+	LPDIRECT3DSURFACE8 m_pTempRenderSurface;		
+	LPDIRECT3DSURFACE8 m_pTempRenderZBuffer;
+	D3DVIEWPORT8 m_pTempViewPort;	
+public:
+	void Unlock();
+	void* Lock();
+	void Begin(LPDIRECT3DDEVICE8 pd3dDevice);	
+	void End(LPDIRECT3DDEVICE8 pd3dDevice);	
+	LPDIRECT3DTEXTURE8 GetTexture(){return m_pRenderTexture;};
+	LPDIRECT3DSURFACE8 GetSurface(){return m_pRenderSurface;};
+	long m_SizeX,m_Sizey;
+	void Create(long SizeX,long SizeY);
+	CRenderTexture();
+	virtual ~CRenderTexture();
+};
+
+#endif // !defined(AFX_RENDERTEXTURE_H__0EC50F46_F5C3_4873_AC41_9702AF503767__INCLUDED_)