123

RenderDll/XRenderNULL/NULL_REOcean.cpp

@@ -0,0 +1,104 @@
+/*=============================================================================
+  PS2_REOcean.cpp : implementation of the Ocean Rendering.
+  Copyright (c) 2001 Crytek Studios. All Rights Reserved.
+
+  Revision history:
+    * Created by Honitch Andrey
+
+=============================================================================*/
+
+#include "RenderPCH.h"
+#include "NULL_Renderer.h"
+#include "I3dengine.h"
+
+#undef THIS_FILE
+static char THIS_FILE[] = __FILE__;
+
+//=======================================================================
+
+void CREOcean::mfReset()
+{
+}
+
+bool CREOcean::mfPreDraw(SShaderPass *sl)
+{
+  return true;
+}
+
+void CREOcean::UpdateTexture()
+{
+}
+
+void CREOcean::DrawOceanSector(SOceanIndicies *oi)
+{
+}
+
+static _inline int Compare(SOceanSector *& p1, SOceanSector *& p2)
+{
+  if(p1->m_Flags > p2->m_Flags)
+    return 1;
+  else
+  if(p1->m_Flags < p2->m_Flags)
+    return -1;
+  
+  return 0;
+}
+
+static _inline float sCalcSplash(SSplash *spl, float fX, float fY)
+{
+  CNULLRenderer *r = gcpNULL;
+
+  float fDeltaTime = r->m_RP.m_RealTime - spl->m_fStartTime;
+  float fScaleFactor = 1.0f / (r->m_RP.m_RealTime - spl->m_fLastTime + 1.0f);
+
+  float vDelt[2];
+
+  // Calculate 2D distance
+  vDelt[0] = spl->m_Pos[0] - fX; vDelt[1] = spl->m_Pos[1] - fY;
+  float fSqDist = vDelt[0]*vDelt[0] + vDelt[1]*vDelt[1];
+
+  // Inverse square root
+  unsigned int *n1 = (unsigned int *)&fSqDist;
+  unsigned int nn = 0x5f3759df - (*n1 >> 1);
+  float *n2 = (float *)&nn;
+  float fDistSplash = 1.0f / ((1.5f - (fSqDist * 0.5f) * *n2 * *n2) * *n2);
+
+  // Emulate sin waves
+  float fDistFactor = fDeltaTime*10.0f - fDistSplash + 4.0f;
+  fDistFactor = CLAMP(fDistFactor, 0.0f, 1.0f);
+  float fRad = (fDistSplash - fDeltaTime*10) * 0.4f / 3.1416f * 1024.0f;
+  float fSin = gRenDev->m_RP.m_tSinTable[QRound(fRad)&0x3ff] * fDistFactor;
+
+  return fSin * fScaleFactor * spl->m_fForce;
+}
+
+float *CREOcean::mfFillAdditionalBuffer(SOceanSector *os, int nSplashes, SSplash *pSplashes[], int& nCurSize, int nLod, float fSize)
+{
+  return NULL;
+}
+
+void CREOcean::mfDrawOceanSectors()
+{ 
+}
+
+
+void CREOcean::mfDrawOceanScreenLod()
+{ 
+}
+
+bool CREOcean::mfDraw(SShader *ef, SShaderPass *sfm)
+{ 
+  double time0 = 0;
+  ticks(time0);
+
+  if (CRenderer::CV_r_oceanrendtype == 0)
+    mfDrawOceanSectors();
+  else
+    mfDrawOceanScreenLod();
+  unticks(time0);
+  m_RS.m_StatsTimeRendOcean = (float)(time0*1000.0*g_SecondsPerCycle);
+
+  return true;
+}
+
+