C_OP_RenderBlobs::Render

void C_OP_RenderBlobs::Render(IMatRenderContext *param_1,CParticleCollection *param_2, Vector4D *param_3,void *param_4)
{
  int iVar1;
  undefined4 uVar2;
  undefined4 uVar3;
  int iVar4;
  uint uVar5;
  void *pvVar6;
  undefined4 uVar7;
  ImpTiler *pIVar8;
  IMaterial *pIVar9;
  undefined8 *extraout_EAX;
  undefined8 *puVar10;
  int iVar11;
  ImpParticle *pIVar12;
  int iVar13;
  int iVar14;
  ImpTiler *pIStack108;
  int iStack100;
  int iStack96;
  int local_5c [2];
  ParticleRenderData_t *local_54;
  uint local_50;
  float local_4c;
  float local_48;
  float local_44;
  float local_40;
  float local_3c;
  float local_38;
  float local_34;
  float local_30;
  float local_2c;
  undefined4 uStack40;

  pIVar8 = ?getTiler@ImpTilerFactory@@QAEPAVImpTiler@@XZ(factory);
  if (*(char *)((int)param_4 + 8) != '\0') {
    SetupParticleVisibility
              (param_2,(CParticleVisibilityData *)param_4,(CParticleVisibilityInputs *)(this +0x58)
               ,(int *)((int)param_4 + 0xc),param_1);
  }
  if ((
      _?$S7@?4??Render@C_OP_RenderBlobs@@EBEXPAVIMatRenderContext@@PAVCParticleCollection@@ABVVector4D@@PAX@Z@4IA
      & 1) == 0) {

    _?$S7@?4??Render@C_OP_RenderBlobs@@EBEXPAVIMatRenderContext@@PAVCParticleCollection@@ABVVector4D@@PAX@Z@4IA
         =
           _?$S7@?4??Render@C_OP_RenderBlobs@@EBEXPAVIMatRenderContext@@PAVCParticleCollection@@ABVVector4D@@PAX@Z@4IA
           | 1;
    DAT_00002124 = 0;
    _DAT_00002128 = 0x10;
    _imp_particles_sa = _malloc(0x200);
    _atexit(`dynamic_atexit_destructor_for_'imp_particles_sa'');
  }
  ?setCubeWidth@SweepRenderer@@SAXM@Z(*(float *)(this + 0x8c));
  ?setRenderR@SweepRenderer@@SAXM@Z(*(float *)(this + 0x94));
  ?setCutoffR@SweepRenderer@@SAXM@Z(*(float *)(this + 0x90));
  ?setCalcSignFunc@SweepRenderer@@SAXP6A_NEEEMMMPAVProjectingParticleCache@@@Z@Z(calcSign);
  ?setCalcSign2Func@SweepRenderer@@SAXP6AXEEEMMMQAUCornerInfo@@PAVProjectingParticleCache@@@Z@Z
            (calcSign2);
  ?setCalcCornerFunc@SweepRenderer@@SAXHP6AXEEEMMMQAUCornerInfo@@PAVProjectingParticleCache@@@Z@Z
            (0x20,calcCornerNormal);
  ?setCalcVertexFunc@SweepRenderer@@SAXP6AXMMMHPBUCornerInfo@@0PAVIndexTriVertexBuffer@@@Z@Z
            (calcVertexNormalDebugColor);
  pIVar9 = ?GetMaterial@CParticleSystemDefinition@@QAEPAVIMaterial@@XZ
                     (*(CParticleSystemDefinition **)(param_2 + 0x48));
  local_54 =
             ?GetRenderList@CParticleCollection@@QAEPBUParticleRenderData_t@@PAVIMatRenderContext@@_NPAHPAUCParticleVisibilityData@@@Z
                       (param_2,param_1,false,local_5c,(CParticleVisibilityData *)param_4);
  iVar4 = *(int *)(param_2 + 0xe0);
  local_50 = *(uint *)(param_2 + 0x140) >> 2;
  ?GetBounds@CParticleCollection@@QAEXPAVVector@@0@Z
            (param_2,(Vector *)&local_34,(Vector *)&local_40);
  local_4c = (local_40 + local_34) * __real@3f000000;
  local_48 = (local_3c + local_30) * __real@3f000000;
  local_44 = (local_38 + local_2c) * __real@3f000000;
  (**(code **)(**(int **)(g_pParticleSystemMgr + 0xf0) + 100))(&local_4c);
  (**(code **)(*(int *)param_1 + 0x24))(pIVar9,&local_50);
  local_34 = 0.00000000;
  local_30 = 0.00000000;
  local_2c = 0.00000000;
  uStack40 = 0;
  ?beginFrame@ImpTiler@@QAEXAAVPoint3D@@PAX_N@Z(pIStack108,(Point3D *)&local_34,&param_1,true);
  while (DAT_00002124 < (int)pIVar8) {
    ??0ImpParticle@@QAE@XZ((ImpParticle *)&local_34);
    if (_DAT_00002128 <= DAT_00002124) {
      _DAT_00002128 = DAT_00002124 * 2 + 2;
      _imp_particles_sa = _realloc(_imp_particles_sa,_DAT_00002128 * 0x20);
    }
    puVar10 = (undefined8 *)(DAT_00002124 * 0x20 + (int)_imp_particles_sa);
    *puVar10 = *extraout_EAX;
    puVar10[1] = extraout_EAX[1];
    puVar10[2] = extraout_EAX[2];
    puVar10[3] = extraout_EAX[3];
    DAT_00002124 = DAT_00002124 + 1;
  }
  iVar13 = 0;
  iStack100 = 0;
  if (0 < (int)pIVar8) {
    iVar14 = iStack96 + 4;
    do {
      uVar7 = __real@3f800000;
      pvVar6 = _imp_particles_sa;
      uVar5 = *(uint *)(iVar14 + -0x10);
      iVar14 = iVar14 + -0x10;
      iVar11 = ((int)(uVar5 + ((int)uVar5 >> 0x1f & 3U)) >> 2) * local_5c[0];
      iVar1 = (uVar5 & 3) + iVar11 * 4;
      uVar2 = *(undefined4 *)(iVar4 + 0x10 + iVar1 * 4);
      uVar3 = *(undefined4 *)(iVar4 + ((uVar5 & 3) + 8 + iVar11 * 4) * 4);
      *(undefined4 *)((int)_imp_particles_sa + iVar13) = *(undefined4 *)(iVar4 + iVar1 * 4);
      pIVar12 = (ImpParticle *)((int)pvVar6 + iVar13);
      *(undefined4 *)(pIVar12 + 4) = uVar2;
      *(undefined4 *)(pIVar12 + 8) = uVar3;
      *(undefined4 *)(pIVar12 + 0x14) = uVar7;
      *(undefined4 *)(pIVar12 + 0x10) = uVar7;
      ?insertParticle@ImpTiler@@QAEXPAVImpParticle@@@Z(pIStack108,pIVar12);
      iStack100 = iStack100 + 1;
      iVar13 = iVar13 + 0x20;
    } while (iStack100 < (int)pIVar8);
  }
  ?drawSurface@ImpTiler@@QAEXXZ(pIStack108);
  ?endFrame@ImpTiler@@QAEXXZ(pIStack108);
  ?returnTiler@ImpTilerFactory@@QAEXPAVImpTiler@@@Z(factory,pIStack108);
  return;
}