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/Intersection.h

@@ -0,0 +1,34 @@
+// Intersection.h: interface for the CIntersection class.
+//
+//////////////////////////////////////////////////////////////////////
+
+#if !defined(AFX_INTERSECTION_H__2C579563_8B13_41AA_BD24_5DF348664376__INCLUDED_)
+#define AFX_INTERSECTION_H__2C579563_8B13_41AA_BD24_5DF348664376__INCLUDED_
+
+#if _MSC_VER > 1000
+#pragma once
+#endif // _MSC_VER > 1000
+#include "3DMath.h"
+
+
+class CIntersection  
+{
+public:
+	static int PlaneSphereNormal(vector3 &vecPos,float &fRad,vector3 &vecNormal,vector3 &vecPoly);
+	static float PointFromPlane(vector3 &pNormal,vector3 &pPlaneOrigin,vector3 &vecPoint);
+	static float PointFromPlane(vector3 *pPlane,vector3 &vecPoint);
+	static float PlaneAABBBox(vector3 *vecPlane,vector3 &vecNormal,vector3 &vecMaxBox,vector3 &vecMinBox);
+	static int PolygonSphere(vector3 &vecCenter,float fRad,vector3 *pPoly,vector3 *vecIntersect,int &cIntersect);
+	static int SplitPolygonPolygon(vector3 *pPolySour,vector3 *pPolyDest,vector3 *pPolyResult);
+	static int PlaneSphere(vector3 &vecLoc,float &fRad,vector3 *pPoly);
+	static float PolygonRay2(vector3 vecStart, vector3 vecEnd, vector3 *poly,float &fInterLens);
+	static int PolygonQuad(vector3 *vecPoly,vector3 *vecQuad);
+	static bool PlanePoint(vector3 *pPlane,vector3 &vecPoint);
+	static int BoxToRay(vector3 vecStart,vector3 vecEnd,vector3 *poly[4],float &fIntersection);
+	static int PolygonToPolygon(vector3 *vecPoly1,vector3 *vecPoly2);
+	static int PolygonRay(vector3 vecStart, vector3 vecEnd, vector3 *poly,float &fInterLens);
+	CIntersection();
+	virtual ~CIntersection();
+};
+
+#endif // !defined(AFX_INTERSECTION_H__2C579563_8B13_41AA_BD24_5DF348664376__INCLUDED_)