COcclusionSystem::SetView

/* COcclusionSystem::SetView(Vector const&, float, VMatrix const&, VMatrix const&, VPlane const&) */

void __thiscall
COcclusionSystem::SetView
          (COcclusionSystem *this,Vector *param_1,float param_2,VMatrix *param_3,VMatrix *param_4,
          VPlane *param_5)

{
  float fVar1;
  float fVar2;
  float fVar3;
  int iVar4;
  undefined4 uVar5;
  float fVar6;
  double dVar7;
  
  *(undefined4 *)(this + 0x98) = *(undefined4 *)param_1;
  *(undefined4 *)(this + 0x9c) = *(undefined4 *)(param_1 + 4);
  *(undefined4 *)(this + 0xa0) = *(undefined4 *)(param_1 + 8);
  VMatrix::operator=((VMatrix *)(this + 0x48),param_3);
  *(float *)(this + 0x88) = -*(float *)(param_4 + 0x2c) / *(float *)param_4;
  *(float *)(this + 0x8c) = -*(float *)(param_4 + 0x2c) / *(float *)(param_4 + 0x14);
  *(uint *)(this + 0x90) = *(uint *)(param_4 + 0x2c) ^ 0x80000000;
  *(uint *)(this + 0x94) = *(uint *)(param_4 + 0x28) ^ 0x80000000;
  MatrixMultiply(param_4,param_3,(VMatrix *)(this + 8));
  fVar6 = *(float *)param_5;
  *(float *)(this + 0xa4) = fVar6;
  fVar1 = *(float *)(param_5 + 4);
  *(float *)(this + 0xa8) = fVar1;
  fVar2 = *(float *)(param_5 + 8);
  *(float *)(this + 0xac) = fVar2;
  fVar3 = *(float *)(param_5 + 0xc);
  this[0xb4] = (COcclusionSystem)0x3;
  this[4] = (COcclusionSystem)0x1;
  *(float *)(this + 0xb0) = fVar3;
  fVar6 = (fVar3 - (fVar6 * *(float *)param_1 + fVar2 * *(float *)(param_1 + 8))) -
          fVar1 * *(float *)(param_1 + 4);
  *(float *)(this + 0xb8) = fVar6;
  dVar7 = tan((double)(param_2 * 0.5) * 0.017453292519943295);
  uVar5 = r_occlusionspew._28_4_;
  fVar6 = fVar6 / (float)(dVar7 * (double)fVar6);
  *(float *)(this + 0xbc) = fVar6 * fVar6;
  if ((*(int *)(uVar5 + 0x30) != 0) && (iVar4 = *(int *)(this + 700), iVar4 != 0)) {
    Msg("Occl %.2f (%d/%d)\n",(double)(((float)*(int *)(this + 0x2c0) / (float)iVar4) * 100.0),
        *(int *)(this + 0x2c0),iVar4);
    *(undefined4 *)(this + 700) = 0;
    *(undefined4 *)(this + 0x2c0) = 0;
    return;
  }
  return;
}