99 lines
3.6 KiB
C++
99 lines
3.6 KiB
C++
/////////////////////////////////////////////////////////////////////////////////////
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// Buffer optimizer
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/////////////////////////////////////////////////////////////////////////////////////
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#include "RenderPCH.h"
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////////////////////////////////////////////////////////////////////////////////////////////////////
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// PipVertex
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////////////////////////////////////////////////////////////////////////////////////////////////////
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#define PIP_TEX_EPS 0.001f
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#define PIP_VER_EPS 0.001f
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bool struct_VERTEX_FORMAT_P3F_N_COL4UB_TEX2F::operator == (struct_VERTEX_FORMAT_P3F_N_COL4UB_TEX2F & other)
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{
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assert(this != &other);
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// do y check first since x was used for hash
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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 &&
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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 &&
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fabs(st[0]-other.st[0])<PIP_TEX_EPS && fabs(st[1]-other.st[1])<PIP_TEX_EPS &&
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(color.dcolor&0xffffff) == (other.color.dcolor&0xffffff);
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}
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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)
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{
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for(int i=0; i<pHash->Count(); i++)
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{
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int id = (*pHash)[i];
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if(_vbuff[id] == opt)
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{
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if (ShareNewInfo[id] != nMatInfo)
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continue;
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if (CRenderer::CV_r_indexingWithTangents)
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{
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if (origBasis.m_Binormal.Dot(_vbasis[id].m_Binormal) > 0.005f && origBasis.m_Tangent.Dot(_vbasis[id].m_Tangent) > 0.005f)
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return (*pHash)[i];
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}
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else
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return (*pHash)[i];
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}
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}
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return -1;
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}
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void CLeafBuffer::CompactBuffer(struct_VERTEX_FORMAT_P3F_N_COL4UB_TEX2F * _vbuff, SPipTangents *_tbuff, int * _vcount, TArray<unsigned short> * pindices, bool bShareVerts[128], uint *uiInfo)
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{
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//assert(*_vcount);
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if(!*_vcount)
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{
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// iLog->Log("CLeafBuffer::CompactBuffer: Mesh has no geometry for rendering");
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return;
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}
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int vert_num_before = *_vcount;
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struct_VERTEX_FORMAT_P3F_N_COL4UB_TEX2F * tmp_vbuff = new struct_VERTEX_FORMAT_P3F_N_COL4UB_TEX2F[*_vcount];
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SPipTangents *tmp_tbuff = new SPipTangents[*_vcount];
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unsigned int tmp_count = 0;
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pindices->Free();
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TArray<uint> ShareNewInfo;
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list2<unsigned short> hash_table[256];//[256];
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for(unsigned int v=0; v<(unsigned int)(*_vcount); v++)
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{
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int nHashInd = (unsigned char)(_vbuff[v].xyz.x*100);
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uint nMInfo = uiInfo[v];
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uint nMatId = nMInfo & 255;
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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;
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if(find < 0)
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{ // not found
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tmp_vbuff[tmp_count] = _vbuff[v];
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tmp_tbuff[tmp_count] = _tbuff[v];
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pindices->AddElem(tmp_count);
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ShareNewInfo.AddElem(uiInfo[v]);
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hash_table[(unsigned char)(_vbuff[v].xyz.x*100)]/*[(unsigned char)(_vbuff[v].pos.y*100)]*/.Add(tmp_count);
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tmp_count++;
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}
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else
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{ // found
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pindices->AddElem(find);
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}
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}
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*_vcount = tmp_count;
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cryMemcpy(_vbuff, tmp_vbuff, tmp_count*sizeof(struct_VERTEX_FORMAT_P3F_N_COL4UB_TEX2F));
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cryMemcpy(_tbuff, tmp_tbuff, tmp_count*sizeof(SPipTangents));
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SAFE_DELETE_ARRAY (tmp_vbuff);
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SAFE_DELETE_ARRAY (tmp_tbuff);
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int ratio = 100*(*_vcount)/vert_num_before;
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CryLogComment(" Size after compression = %d %s ( %d -> %d )", ratio, "%", vert_num_before, *_vcount);
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}
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