Code:
1. string search "animset_version" in client.dll
2. go to to any of those subs (those are the same)
3. xref the sub (should only have 1)
4. Now you're in CCSGOAnimState::Update
5. Jump to xref and choose the first one. Its a void type.
.text:1038F170 C_CSPlayer__Spawn proc near ; DATA XREF: .rdata:10AFCC04↓o
.text:1038F170
.text:1038F170 var_4 = dword ptr -4
.text:1038F170
.text:1038F170 push ebp
.text:1038F171 mov ebp, esp
.text:1038F173 and esp, 0FFFFFFF8h
.text:1038F176 push ecx
.text:1038F177 mov eax, off_10C908D8
.text:1038F17C push esi
.text:1038F17D mov esi, ecx
.text:1038F17F mov eax, [eax+10h]
.text:1038F182 mov [esi+0A350h], eax
.text:1038F188 call C_BasePlayer__Spawn
.text:1038F18D cmp byte ptr [esi+3AA4h], 0
.text:1038F194 jz short loc_1038F1DE
.text:1038F196 mov ecx, [esi+3900h]
.text:1038F19C test ecx, ecx
.text:1038F19E jz short loc_1038F1DE
.text:1038F1A0 call CCSGOPlayerAnimState__Reset
.text:1038F1A5 mov eax, [esi]
.text:1038F1A7 mov ecx, esi
.text:1038F1A9 mov eax, [eax+294h]
.text:1038F1AF call eax
.text:1038F1B1 mov ecx, esi
.text:1038F1B3 movss xmm0, dword ptr [eax]
.text:1038F1B7 mov eax, [esi]
.text:1038F1B9 movss [esp+8+var_4], xmm0
.text:1038F1BF mov eax, [eax+294h]
.text:1038F1C5 call eax
.text:1038F1C7 movss xmm2, [esp+8+var_4]
.text:1038F1CD push ecx
.text:1038F1CE mov ecx, [esi+3900h] <---- theres your offset
.text:1038F1D4 movss xmm1, dword ptr [eax+4]
.text:1038F1D9 call CCSGOPlayerAnimState__Update
.text:1038F1DE
.text:1038F1DE loc_1038F1DE: ; CODE XREF: C_CSPlayer__Spawn+24↑j
.text:1038F1DE ; C_CSPlayer__Spawn+2E↑j
.text:1038F1DE xorps xmm0, xmm0
.text:1038F1E1 mov dword ptr [esi+0A3ACh], 0
.text:1038F1EB movups xmmword ptr [esi+0BBBCh], xmm0
.text:1038F1F2 pop esi
.text:1038F1F3 mov esp, ebp
.text:1038F1F5 pop ebp
.text:1038F1F6 retn
.text:1038F1F6 C_CSPlayer__Spawn endp
