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2023-08-07 19:29:24 +08:00
commit 34d6c5d489
4832 changed files with 1389451 additions and 0 deletions
--- a/ResourceCompilerPC/StatCGFCompiler/StatCGFShadVol.cpp
+++ b/ResourceCompilerPC/StatCGFCompiler/StatCGFShadVol.cpp
@@ -0,0 +1,100 @@
+#include "StdAfx.h"
+#include "statcgfshadvol.h"
+
+#include "meshidx.h"
+#include "IEdgeConnectivityBuilder.h"
+#include "..\StencilShadowConnectivity.h"
+#include "..\StencilShadowConnectivityBuilder.h"
+
+CStatCGFShadVol::CStatCGFShadVol(ILog * pLog, CIndexedMesh * pIndexedMesh)
+{
+  m_pShadowVolObject = new CShadowVolObject( pLog );
+
+  for (int i=0; i<pIndexedMesh->m_nFaceCount; i++)
+  {
+    CObjFace *cf=&pIndexedMesh->m_pFaces[i];		
+
+    for (int v=0; v<3; v++)
+    {			
+      cf->m_Vecs[v].x=pIndexedMesh->m_pVerts[pIndexedMesh->m_pFaces[i].v[v]].x;
+      cf->m_Vecs[v].y=pIndexedMesh->m_pVerts[pIndexedMesh->m_pFaces[i].v[v]].y;
+      cf->m_Vecs[v].z=pIndexedMesh->m_pVerts[pIndexedMesh->m_pFaces[i].v[v]].z;			
+    } //v					
+
+    //calc plane equation
+    cf->m_Plane.CalcPlane(cf->m_Vecs[2],cf->m_Vecs[1],cf->m_Vecs[0]);			
+  } //i
+
+  //precalc edges
+  m_pShadowVolObject->CreateConnectivityInfo(pIndexedMesh, pLog);					
+}
+
+CStatCGFShadVol::~CStatCGFShadVol()
+{
+  delete m_pShadowVolObject;
+}
+
+#define FLAG_SKIP_SHADOWVOLUME 1 // todo: share this flag
+
+void CShadowVolObject::CreateConnectivityInfo( CIndexedMesh * pIndexedMesh, ILog * pLog )
+{
+	//list of faces is shared from statobj
+  m_pFaceList = pIndexedMesh->m_pFaces;
+	m_nNumFaces = pIndexedMesh->m_nFaceCount;
+	Vec3d *pVert = pIndexedMesh->m_pVerts;
+ 
+  IEdgeConnectivityBuilder * iBuilder = new CStencilShadowStaticConnectivityBuilder();
+  iBuilder->Reinit();
+
+	assert(iBuilder);
+
+	iBuilder->ReserveForTriangles(m_nNumFaces,pIndexedMesh->m_nVertCount);
+
+	for(int i=0;i<m_nNumFaces;i++)
+	{
+		CObjFace *cf = &m_pFaceList[i];
+
+		if(cf->m_dwFlags & FLAG_SKIP_SHADOWVOLUME)
+			continue;
+
+    // with welding
+		unsigned short a=cf->v[0],b=cf->v[1],c=cf->v[2];
+		iBuilder->AddTriangleWelded(a,b,c,pVert[a],pVert[b],pVert[c]);
+	}
+
+	m_pEdgeConnectivity = iBuilder->ConstructConnectivity();
+
+#ifdef _DEBUG
+	if(m_pEdgeConnectivity)
+	{
+		DWORD dwVertCount,dwTriCount;
+
+		m_pEdgeConnectivity->GetStats(dwVertCount,dwTriCount);
+
+		pLog->Log(" StencilEdgeConnectivity Stats:");
+		pLog->Log("  %d/%d Vertices %d/%d Faces",dwVertCount,pIndexedMesh->m_nVertCount,dwTriCount,m_nNumFaces);
+	}
+#endif
+
+	delete iBuilder;
+}
+
+CShadowVolObject::~CShadowVolObject()
+{
+  if(m_pEdgeConnectivity)
+  {
+    m_pEdgeConnectivity->Release();
+    m_pEdgeConnectivity=0;
+  }
+}
+
+void CStatCGFShadVol::Serialize(int & nPos, void * pStream, bool bSave)
+{
+	byte* pTarget = pStream ? (byte*)pStream+nPos : NULL;
+	IStencilShadowConnectivity* pConnectivity = m_pShadowVolObject->GetEdgeConnectivity();
+	// NOTE: passing a big number is not a good practice here, because in debug mode
+	// it validates the buffers size and can detect buffer overruns early and painlessly.
+	// a good practice is passing the actual number of bytes available in ths target buffer
+
+  nPos += pConnectivity->Serialize(bSave, pTarget, 100000000);
+}