123

2023-08-07 19:29:24 +08:00
commit 34d6c5d489
4832 changed files with 1389451 additions and 0 deletions
--- a/Cry3DEngine/ObjManStreaming.cpp
+++ b/Cry3DEngine/ObjManStreaming.cpp
@@ -0,0 +1,120 @@
+////////////////////////////////////////////////////////////////////////////
+//
+//  Crytek Engine Source File.
+//  Copyright (C), Crytek Studios, 2002.
+// -------------------------------------------------------------------------
+//  File name:   statobjman.cpp
+//  Version:     v1.00
+//  Created:     28/5/2001 by Vladimir Kajalin
+//  Compilers:   Visual Studio.NET
+//  Description: Loading trees, buildings, ragister/unregister entities for rendering
+// -------------------------------------------------------------------------
+//  History:
+//
+////////////////////////////////////////////////////////////////////////////
+
+#include "stdafx.h"
+
+#include "StatObj.h"
+#include "objman.h"
+#include "visareas.h"
+#include "terrain_sector.h"
+#include "cbuffer.h"
+#include "3DEngine.h"
+#include "meshidx.h"
+#include "watervolumes.h"
+#include "brush.h"
+#include "LMCompStructures.h"
+
+void CObjManager::PreloadNearObjects()
+{
+//  if(!GetCVars()->e_stream_cgf)
+    return;
+
+  CVisAreaManager * pVisAreaManager = GetVisAreaManager();
+//  CVisArea * pVisArea = pVisAreaManager->m_pCurArea ? pVisAreaManager->m_pCurArea : pVisAreaManager->m_pCurPortal;
+  if(CStatObj::m_fStreamingTimePerFrame<CGF_STREAMING_MAX_TIME_PER_FRAME)// && pVisArea)
+  { // mark this and neighbor sectors
+/*    pVisArea->MarkForStreaming();
+    CVisArea * areaArray[8]={0,0,0,0,0,0,0,0};
+    int nCount = pVisArea->GetVisAreaConnections((IVisArea **)&areaArray,8);
+    for(int n=0; n<nCount; n++)
+      areaArray[n]->MarkForStreaming();
+  */
+    // load marked objects
+    for (ObjectsMap::iterator it = m_lstLoadedObjects.begin(); it != m_lstLoadedObjects.end(); ++it)
+    {
+      if((*it)->m_bUseStreaming && !(*it)->GetLeafBuffer() &&	(*it)->m_nMarkedForStreamingFrameId > GetFrameID()+10)
+      {	// streaming
+        CStatObj::m_fStreamingTimePerFrame -= GetTimer()->GetAsyncCurTime();
+        bool bRes = (*it)->Load((*it)->m_szFileName, (*it)->m_szGeomName[0] ? (*it)->m_szGeomName : 0, 
+          (*it)->m_eVertsSharing, (*it)->m_bLoadAdditinalInfo, (*it)->m_bKeepInLocalSpace, false);
+        (*it)->m_bUseStreaming=true;
+        CStatObj::m_fStreamingTimePerFrame += GetTimer()->GetAsyncCurTime();
+      }
+
+      if(CStatObj::m_fStreamingTimePerFrame>CGF_STREAMING_MAX_TIME_PER_FRAME)
+        break;
+    }
+  }
+}
+
+void CObjManager::CheckUnload()
+{
+  if(GetCVars()->e_stream_cgf)
+  for (ObjectsMap::iterator it = m_lstLoadedObjects.begin(); it != m_lstLoadedObjects.end(); ++it)
+  {
+    CStatObj * pStatObj = (*it);
+    if(pStatObj->m_bUseStreaming && pStatObj->GetLeafBuffer() &&
+      max(pStatObj->m_nLastRendFrameId, pStatObj->m_nMarkedForStreamingFrameId) < GetFrameID()-100)
+    {
+			int p;
+      for(p=0; p<2; p++)
+      { // check is phys geometry still in use
+        phys_geometry * pPhysGeom = pStatObj->GetPhysGeom(p);
+        if(pPhysGeom && pPhysGeom->nRefCount>1)
+          break;
+      }
+
+      if(p==2)
+      {
+        pStatObj->ShutDown();
+        pStatObj->Init();
+        GetLog()->Log("Unloaded: %s", pStatObj->m_szFileName);
+        break;
+      }
+    }
+  }
+
+  if(GetFrameID()%32==0)
+  for (ObjectsMap::iterator it = m_lstLoadedObjects.begin(); it != m_lstLoadedObjects.end(); ++it)
+  {
+    if((*it)->GetLeafBuffer() && (*it)->GetShadowVolume())
+      (*it)->GetShadowVolume()->CheckUnload();
+  }
+}
+
+void CObjManager::GetObjectsStreamingStatus(int & nReady, int & nTotalInStreaming, int & nTotal)
+{
+  nReady=nTotalInStreaming=nTotal=0;
+  for (ObjectsMap::iterator it = m_lstLoadedObjects.begin(); it != m_lstLoadedObjects.end(); ++it)
+  {
+    nTotal++;
+    if((*it)->m_bUseStreaming)
+    {
+      nTotalInStreaming++;
+      if((*it)->GetLeafBuffer())
+      {
+        CStatObj * p = (*it);
+        nReady++;
+      }
+    }
+    else
+    {
+      CStatObj * p = (*it);
+      p=p;
+      p->m_szFileName;
+    }
+  }
+}
+