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2023-08-07 19:29:24 +08:00
commit 34d6c5d489
4832 changed files with 1389451 additions and 0 deletions
--- a/Cry3DEngine/StatObjShadow.cpp
+++ b/Cry3DEngine/StatObjShadow.cpp
@@ -0,0 +1,95 @@
+////////////////////////////////////////////////////////////////////////////
+//
+//  Crytek Engine Source File.
+//  Copyright (C), Crytek Studios, 2002.
+// -------------------------------------------------------------------------
+//  File name:   statobjshadow.cpp
+//  Version:     v1.00
+//  Created:     28/5/2001 by Vladimir Kajalin
+//  Compilers:   Visual Studio.NET
+//  Description: shadow maps
+// -------------------------------------------------------------------------
+//  History:
+//
+////////////////////////////////////////////////////////////////////////////
+
+#include "stdafx.h"
+#include "StatObj.h"
+#include "../RenderDll/Common/shadow_renderer.h"
+
+void CStatObj::PrepareShadowMaps(const Vec3d & obj_pos, ShadowMapLightSource * pLSource)
+{
+	if(!GetCVars()->e_shadow_maps)
+		return;
+
+  // reset frustums
+  int f;
+  for(f=0; f<pLSource->m_LightFrustums.Count(); f++)
+  { delete pLSource->m_LightFrustums[f].pModelsList; pLSource->m_LightFrustums[f].pModelsList=0; }
+  pLSource->m_LightFrustums.Reset();
+
+  { // define new frustum
+    ShadowMapFrustum new_lof;
+//    memset(&new_lof,0,sizeof(ShadowMapFrustum));
+
+    new_lof.pModelsList = new list2<IStatObj*>;
+    new_lof.pModelsList->PreAllocate(128);
+    
+    list2<IStatObj*> so;
+    so.Add(this);
+
+    ShadowMapFrustum * lof = GetRenderer()->MakeShadowMapFrustum(&new_lof, pLSource, obj_pos+GetCenter()/*Vec3d(0,0,GetCenterZ())*/, &so, EST_DEPTH_BUFFER);
+
+		lof->pOwnerGroup = this;
+
+    if(lof)
+    {
+      pLSource->m_LightFrustums.Add(*lof);
+    }
+
+    // this lists are in another object now
+    new_lof.pModelsList=0;
+    new_lof.pEntityList=0;
+  }
+ 
+  int nTexSize = GetCVars()->e_max_shadow_map_size;
+  while(nTexSize > GetRadius()*200)
+    nTexSize/=2;
+
+  if(nTexSize<16)
+    nTexSize=16; // in case of error
+
+  pLSource->m_LightFrustums[f].nTexSize = nTexSize;
+
+  // make depth textures
+  //for( f=0; f<pLSource->m_LightFrustums.Count(); f++)
+  //  GetRenderer()->PrepareDepthMap(&pLSource->m_LightFrustums[f], true);
+}
+
+void CStatObj::MakeShadowMaps(const Vec3d vSunPos)
+{
+  if(m_pSMLSource)
+  {
+    for(int f=0; f<m_pSMLSource->m_LightFrustums.Count(); f++)
+    { 
+      if(m_pSMLSource->m_LightFrustums[f].depth_tex_id)
+      {
+				// shadow maps can be deleted only on smaps pool destruction
+//        GetRenderer()->RemoveTexture(m_pSMLSource->m_LightFrustums[f].depth_tex_id);
+        m_pSMLSource->m_LightFrustums[f].depth_tex_id=0;
+      }
+    }
+    m_pSMLSource->m_LightFrustums.Reset();
+  }
+
+  delete m_pSMLSource;
+  m_pSMLSource = new ShadowMapLightSource;
+  memset(m_pSMLSource,0,sizeof(ShadowMapLightSource));
+
+  m_pSMLSource->fRadius = 500000;  
+
+  m_pSMLSource->vSrcPos = GetNormalized(vSunPos)*10000;//0;
+
+  if(GetCVars()->e_shadow_maps)
+    PrepareShadowMaps(Vec3d(0,0,0), m_pSMLSource);
+}