123

2023-08-07 19:29:24 +08:00
commit 34d6c5d489
4832 changed files with 1389451 additions and 0 deletions
--- a/RenderDll/Common/pip_addons.cpp
+++ b/RenderDll/Common/pip_addons.cpp
@@ -0,0 +1,98 @@
+/////////////////////////////////////////////////////////////////////////////////////
+// Buffer optimizer
+/////////////////////////////////////////////////////////////////////////////////////
+
+#include "RenderPCH.h"
+
+////////////////////////////////////////////////////////////////////////////////////////////////////
+// PipVertex 
+////////////////////////////////////////////////////////////////////////////////////////////////////
+
+#define PIP_TEX_EPS 0.001f
+#define PIP_VER_EPS 0.001f
+
+bool struct_VERTEX_FORMAT_P3F_N_COL4UB_TEX2F::operator == (struct_VERTEX_FORMAT_P3F_N_COL4UB_TEX2F & other)
+{
+  assert(this != &other);
+
+	// do y check first since x was used for hash
+  return fabs(xyz.y-other.xyz.y)<PIP_VER_EPS && fabs(xyz.x-other.xyz.x)<PIP_VER_EPS && fabs(xyz.z-other.xyz.z)<PIP_VER_EPS &&
+         fabs(normal.x-other.normal.x)<PIP_VER_EPS && fabs(normal.y-other.normal.y)<PIP_VER_EPS && fabs(normal.z-other.normal.z)<PIP_VER_EPS &&
+         fabs(st[0]-other.st[0])<PIP_TEX_EPS && fabs(st[1]-other.st[1])<PIP_TEX_EPS &&
+         (color.dcolor&0xffffff) == (other.color.dcolor&0xffffff);
+}
+
+int CLeafBuffer::FindInBuffer(struct_VERTEX_FORMAT_P3F_N_COL4UB_TEX2F &opt, SPipTangents &origBasis, uint nMatInfo, uint *uiInfo, struct_VERTEX_FORMAT_P3F_N_COL4UB_TEX2F* _vbuff, SPipTangents *_vbasis, int _vcount, list2<unsigned short> * pHash, TArray<uint>& ShareNewInfo)
+{
+  for(int i=0; i<pHash->Count(); i++) 
+  {
+    int id = (*pHash)[i];
+    if(_vbuff[id] == opt) 
+    {
+      if (ShareNewInfo[id] != nMatInfo)
+        continue;
+      if (CRenderer::CV_r_indexingWithTangents)
+      {
+        if (origBasis.m_Binormal.Dot(_vbasis[id].m_Binormal) > 0.005f && origBasis.m_Tangent.Dot(_vbasis[id].m_Tangent) > 0.005f)
+          return (*pHash)[i];  
+      }
+      else
+        return (*pHash)[i];  
+    }
+  }
+
+  return -1;
+}
+
+void CLeafBuffer::CompactBuffer(struct_VERTEX_FORMAT_P3F_N_COL4UB_TEX2F * _vbuff, SPipTangents *_tbuff, int * _vcount, TArray<unsigned short> * pindices, bool bShareVerts[128], uint *uiInfo)
+{
+  //assert(*_vcount);
+  if(!*_vcount)
+  {
+//    iLog->Log("CLeafBuffer::CompactBuffer: Mesh has no geometry for rendering");
+    return;
+  }
+  
+  int vert_num_before = *_vcount;
+
+  struct_VERTEX_FORMAT_P3F_N_COL4UB_TEX2F * tmp_vbuff = new struct_VERTEX_FORMAT_P3F_N_COL4UB_TEX2F[*_vcount];
+  SPipTangents *tmp_tbuff = new SPipTangents[*_vcount];
+  unsigned int tmp_count = 0;
+  pindices->Free();
+  TArray<uint> ShareNewInfo;
+
+  list2<unsigned short> hash_table[256];//[256];
+
+  for(unsigned int v=0; v<(unsigned int)(*_vcount); v++)
+  {
+    int nHashInd = (unsigned char)(_vbuff[v].xyz.x*100);
+    uint nMInfo = uiInfo[v];
+    uint nMatId = nMInfo & 255;
+		int find = bShareVerts[nMatId] ? FindInBuffer( _vbuff[v], _tbuff[v], nMInfo, uiInfo, tmp_vbuff, tmp_tbuff, tmp_count, &hash_table[nHashInd], ShareNewInfo/*[(unsigned char)(_vbuff[v].pos.y*100)]*/) : -1;
+    if(find < 0)
+    { // not found
+      tmp_vbuff[tmp_count] = _vbuff[v];
+      tmp_tbuff[tmp_count] = _tbuff[v];
+      pindices->AddElem(tmp_count);
+      ShareNewInfo.AddElem(uiInfo[v]);
+
+      hash_table[(unsigned char)(_vbuff[v].xyz.x*100)]/*[(unsigned char)(_vbuff[v].pos.y*100)]*/.Add(tmp_count);
+
+      tmp_count++;
+    }
+    else
+    { // found
+      pindices->AddElem(find);
+    }
+  }
+
+  *_vcount = tmp_count;
+  cryMemcpy(_vbuff, tmp_vbuff, tmp_count*sizeof(struct_VERTEX_FORMAT_P3F_N_COL4UB_TEX2F));
+  cryMemcpy(_tbuff, tmp_tbuff, tmp_count*sizeof(SPipTangents));
+
+  SAFE_DELETE_ARRAY (tmp_vbuff);
+  SAFE_DELETE_ARRAY (tmp_tbuff);
+
+  int ratio = 100*(*_vcount)/vert_num_before;
+  CryLogComment("  Size after compression = %d %s ( %d -> %d )", ratio, "%", vert_num_before, *_vcount); 
+}