Restructure repository to include all source folders

Move git root from Client/ to src/ to track all source code:
- Client: Game client source (moved to Client/Client/)
- Server: Game server source
- GameTools: Development tools
- CryptoSource: Encryption utilities
- database: Database scripts
- Script: Game scripts
- rylCoder_16.02.2008_src: Legacy coder tools
- GMFont, Game: Additional resources

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

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

GameTools/Zallad3D SceneClass/ShadowVolume.cpp

@@ -0,0 +1,103 @@
+// ShadowVolume.cpp: implementation of the CShadowVolume class.
+//
+//////////////////////////////////////////////////////////////////////
+
+#include "ShadowVolume.h"
+
+//////////////////////////////////////////////////////////////////////
+// Construction/Destruction
+//////////////////////////////////////////////////////////////////////
+
+CShadowVolume::CShadowVolume()
+{
+
+}
+
+CShadowVolume::~CShadowVolume()
+{
+
+}
+
+
+void CShadowVolume::MakeShadowVolumeDirectionLight(vector3 *pVertex, int nVertex, WORD *pIndices, int nIndices,vector3 vecLightDir)
+{	
+	vector3 vecPoly[3];
+	vector3 vecNormal;
+
+	WORD *pEdges=new WORD[nIndices*6];
+	int nEdges=0;
+
+	vecLightDir.Normalize();
+
+	for(int i=0;i<nIndices;i++)
+	{
+		vecPoly[0]=pVertex[pIndices[3*i+0]];
+		vecPoly[1]=pVertex[pIndices[3*i+1]];
+		vecPoly[2]=pVertex[pIndices[3*i+2]];		
+
+		vecNormal=(vecPoly[2]-vecPoly[1])^(vecPoly[1]-vecPoly[0]);
+		vecNormal.Normalize();
+
+		if(vecNormal*vecLightDir >=0.0f)
+		{
+			AddEdge(pEdges,nEdges,pIndices[3*i+0],pIndices[3*i+1]);
+			AddEdge(pEdges,nEdges,pIndices[3*i+1],pIndices[3*i+2]);
+			AddEdge(pEdges,nEdges,pIndices[3*i+2],pIndices[3*i+0]);
+		}
+	}
+
+	vector3 vecVol[4];
+	for(i=0;i<nEdges;i++)
+	{
+		vecVol[0]=pVertex[pEdges[2*i+0]];
+		vecVol[1]=pVertex[pEdges[2*i+1]];
+
+		vecVol[2]=vecVol[0]+vecLightDir*50000.0f;
+		vecVol[3]=vecVol[1]+vecLightDir*50000.0f;
+
+		m_ShadowVolumeVertexList.Add(vecVol[0]);
+		m_ShadowVolumeVertexList.Add(vecVol[1]);
+		m_ShadowVolumeVertexList.Add(vecVol[2]);
+
+		m_ShadowVolumeVertexList.Add(vecVol[1]);
+		m_ShadowVolumeVertexList.Add(vecVol[3]);
+		m_ShadowVolumeVertexList.Add(vecVol[2]);
+
+	}
+	delete [] pEdges;    
+}
+
+
+void CShadowVolume::AddEdge(WORD *pEdges, int &nEdges, WORD v0, WORD v1)
+{
+	for(int i=0;i<nEdges;i++)
+	{
+		if( (pEdges[2*i+0]==v0 && pEdges[2*i+1]==v1) ||
+			(pEdges[2*i+0]==v1 && pEdges[2*i+1]==v0) )
+		{
+			if(nEdges>1)
+			{
+				pEdges[2*i+0]=pEdges[2*(nEdges-1)+0];
+				pEdges[2*i+1]=pEdges[2*(nEdges-1)+1];
+			}
+			nEdges--;
+			return;
+		}
+			 
+	}
+	pEdges[2*nEdges+0]=v0;
+	pEdges[2*nEdges+1]=v1;
+    nEdges++;    
+}
+
+void CShadowVolume::Render(LPDIRECT3DDEVICE8 pd3dDevice)
+{
+	pd3dDevice->SetVertexShader(D3DFVF_XYZ);
+	if(m_ShadowVolumeVertexList.num>0)
+		pd3dDevice->DrawPrimitiveUP(D3DPT_TRIANGLELIST,m_ShadowVolumeVertexList.num/3,m_ShadowVolumeVertexList.element,sizeof(vector3));
+}
+
+void CShadowVolume::Reset()
+{
+	m_ShadowVolumeVertexList.num=0;
+}