CalcBoneQuaternion

/* CalcBoneQuaternion(int, float, Quaternion const&, RadianEuler const&, Vector const&, int,
   Quaternion const&, mstudio_rle_anim_t const*, Quaternion&) */

void CalcBoneQuaternion(int param_1,float param_2,Quaternion *param_3,RadianEuler *param_4,
                       Vector *param_5,int param_6,Quaternion *param_7,mstudio_rle_anim_t *param_8,
                       Quaternion *param_9)

{
  mstudio_rle_anim_t mVar1;
  short sVar2;
  mstudioanimvalue_t *pmVar3;
  RadianEuler *pRVar4;
  float fVar5;
  float fVar6;
  float fVar7;
  float fVar8;
  float local_54;
  float local_50;
  float local_4c;
  float local_48;
  float local_44;
  float local_40;
  Quaternion local_3c [16];
  float local_2c;
  float local_28;
  float local_24 [5];
  
  mVar1 = param_8[1];
  if (((byte)mVar1 & 2) != 0) {
    fVar5 = (float)(int)(*(ushort *)(param_8 + 4) - 0x8000) * 3.0517112e-05;
    fVar6 = (float)(int)(*(ushort *)(param_8 + 6) - 0x8000) * 3.0517112e-05;
    fVar7 = (float)(int)((*(ushort *)(param_8 + 8) & 0x7fff) - 0x4000) * 6.1033294e-05;
    fVar8 = SQRT(((1.0 - fVar7 * fVar7) - fVar6 * fVar6) - fVar5 * fVar5);
    if ((char)param_8[9] < '\0') {
      fVar8 = -fVar8;
    }
    *(float *)param_9 = fVar5;
    *(float *)(param_9 + 4) = fVar6;
    *(float *)(param_9 + 8) = fVar7;
    *(float *)(param_9 + 0xc) = fVar8;
    return;
  }
  if (((byte)mVar1 & 0x20) != 0) {
    fVar7 = (float)(int)((*(uint *)(param_8 + 4) & 0x1fffff) - 0x100000) * 9.5367386e-07;
    fVar6 = (float)(int)(((*(ushort *)(param_8 + 8) & 0x3ff) << 0xb |
                         (uint)(*(ushort *)(param_8 + 6) >> 5)) - 0x100000) * 9.5367386e-07;
    fVar5 = (float)(int)((*(uint *)(param_8 + 8) >> 10 & 0x1fffff) - 0x100000) * 9.5367386e-07;
    fVar8 = SQRT((1.0 - fVar5 * fVar5) - (fVar7 * fVar7 + fVar6 * fVar6));
    if ((char)param_8[0xb] < '\0') {
      fVar8 = -fVar8;
    }
    *(float *)param_9 = fVar7;
    *(float *)(param_9 + 4) = fVar6;
    *(float *)(param_9 + 8) = fVar5;
    *(float *)(param_9 + 0xc) = fVar8;
    return;
  }
  if (((byte)mVar1 & 8) == 0) {
    if (((byte)mVar1 & 0x10) != 0) {
      *(undefined4 *)param_9 = 0;
      *(undefined4 *)(param_9 + 4) = 0;
      *(undefined4 *)(param_9 + 8) = 0;
      *(undefined4 *)(param_9 + 0xc) = 0x3f800000;
      return;
    }
    *(undefined4 *)param_9 = *(undefined4 *)param_3;
    *(undefined4 *)(param_9 + 4) = *(undefined4 *)(param_3 + 4);
    *(undefined4 *)(param_9 + 8) = *(undefined4 *)(param_3 + 8);
    *(undefined4 *)(param_9 + 0xc) = *(undefined4 *)(param_3 + 0xc);
    return;
  }
  pmVar3 = (mstudioanimvalue_t *)0x0;
  sVar2 = *(short *)(param_8 + 4);
  if (param_2 <= 0.001) {
    if (0 < sVar2) {
      pmVar3 = (mstudioanimvalue_t *)(param_8 + sVar2 + 4);
    }
    pRVar4 = (RadianEuler *)&local_2c;
    ExtractAnimValue(param_1,pmVar3,*(float *)param_5,(float *)pRVar4);
    pmVar3 = (mstudioanimvalue_t *)0x0;
    if (0 < *(short *)(param_8 + 6)) {
      pmVar3 = (mstudioanimvalue_t *)(param_8 + *(short *)(param_8 + 6) + 4);
    }
    ExtractAnimValue(param_1,pmVar3,*(float *)(param_5 + 4),&local_28);
    pmVar3 = (mstudioanimvalue_t *)0x0;
    if (0 < *(short *)(param_8 + 8)) {
      pmVar3 = (mstudioanimvalue_t *)(param_8 + *(short *)(param_8 + 8) + 4);
    }
    ExtractAnimValue(param_1,pmVar3,*(float *)(param_5 + 8),local_24);
    if (((byte)param_8[1] & 0x10) == 0) {
      local_2c = local_2c + *(float *)param_4;
      local_28 = local_28 + *(float *)(param_4 + 4);
      local_24[0] = local_24[0] + *(float *)(param_4 + 8);
    }
  }
  else {
    if (0 < sVar2) {
      pmVar3 = (mstudioanimvalue_t *)(param_8 + sVar2 + 4);
    }
    pRVar4 = (RadianEuler *)&local_54;
    ExtractAnimValue(param_1,pmVar3,*(float *)param_5,(float *)pRVar4,&local_48);
    pmVar3 = (mstudioanimvalue_t *)0x0;
    if (0 < *(short *)(param_8 + 6)) {
      pmVar3 = (mstudioanimvalue_t *)(param_8 + *(short *)(param_8 + 6) + 4);
    }
    ExtractAnimValue(param_1,pmVar3,*(float *)(param_5 + 4),&local_50,&local_44);
    pmVar3 = (mstudioanimvalue_t *)0x0;
    if (0 < *(short *)(param_8 + 8)) {
      pmVar3 = (mstudioanimvalue_t *)(param_8 + *(short *)(param_8 + 8) + 4);
    }
    ExtractAnimValue(param_1,pmVar3,*(float *)(param_5 + 8),&local_4c,&local_40);
    if (((byte)param_8[1] & 0x10) == 0) {
      local_50 = local_50 + *(float *)(param_4 + 4);
      local_54 = local_54 + *(float *)param_4;
      local_44 = *(float *)(param_4 + 4) + local_44;
      local_48 = *(float *)param_4 + local_48;
      local_4c = local_4c + *(float *)(param_4 + 8);
      local_40 = *(float *)(param_4 + 8) + local_40;
    }
    if (((local_54 != local_48) || (local_50 != local_44)) || (local_4c != local_40)) {
      AngleQuaternion(pRVar4,local_3c);
      AngleQuaternion((RadianEuler *)&local_48,(Quaternion *)&local_2c);
      QuaternionBlend(local_3c,(Quaternion *)&local_2c,param_2,param_9);
      goto LAB_00b9862b;
    }
  }
  AngleQuaternion(pRVar4,param_9);
LAB_00b9862b:
  if ((((byte)param_8[1] & 0x10) == 0) && ((param_6 & 0x100000U) != 0)) {
    QuaternionAlign(param_7,param_9,param_9);
  }
  return;
}