IsVisible / SingleLineCheck

1143980E  |.  8946 14       MOV DWORD PTR DS:[ESI+14],EAX
11439811  |.  FF15 142C5412 CALL DWORD PTR DS:[12542C14]
11439817  |>  B8 86220000   MOV EAX,2286
1143981C  |.  397C24 0C     CMP DWORD PTR SS:[LOCAL.31],EDI
11439820  |.  74 05         JE SHORT 11439827
11439822  |.  B8 86220200   MOV EAX,22286
11439827  |>  0F57C0        XORPS XMM0,XMM0
1143982A  |.  83C9 FF       OR ECX,FFFFFFFF
1143982D  |.  57            PUSH EDI                                 ; /Arg7 -> DWORD unk
1143982E  |.  894C24 68     MOV DWORD PTR SS:[LOCAL.9],ECX           ; |
11439832  |.  898C24 880000 MOV DWORD PTR SS:[LOCAL.1],ECX           ; |
11439839  |.  8D4C24 20     LEA ECX,[LOCAL.27]                       ; |
1143983D  |.  51            PUSH ECX                                 ; |Arg6 ->  FVector *Extent
1143983E  |.  50            PUSH EAX                                 ; |Arg5 -> DWORD TraceFlags
1143983F  |.  8D5424 34     LEA EDX,[LOCAL.24]                       ; |
11439843  |.  52            PUSH EDX                                 ; |Arg4 -> FVector *Start
11439844  |.  8D4424 44     LEA EAX,[LOCAL.21]                       ; |
11439848  |.  50            PUSH EAX                                 ; |Arg3 -> FVector *End
11439849  |.  53            PUSH EBX                                 ; |Arg2 -> AActor *SourceActor
1143984A  |.  8D4C24 58     LEA ECX,[LOCAL.18]                       ; |
1143984E  |.  F30F114424 60 MOVSS DWORD PTR SS:[LOCAL.16],XMM0       ; |
11439854  |.  F30F114424 64 MOVSS DWORD PTR SS:[LOCAL.15],XMM0       ; |
1143985A  |.  F30F114424 68 MOVSS DWORD PTR SS:[LOCAL.14],XMM0       ; |
11439860  |.  F30F114424 6C MOVSS DWORD PTR SS:[LOCAL.13],XMM0       ; |
11439866  |.  F30F114424 70 MOVSS DWORD PTR SS:[LOCAL.12],XMM0       ; |
1143986C  |.  F30F114424 74 MOVSS DWORD PTR SS:[LOCAL.11],XMM0       ; |
11439872  |.  F30F1005 28C4 MOVSS XMM0,DWORD PTR DS:[11E4C428]       ; |FLOAT 1.000000
1143987A  |.  51            PUSH ECX                                 ; |Arg1 -> FAsyncLineCheckResult *Hit
1143987B  |.  8B0D 04EE5412 MOV ECX,DWORD PTR DS:[1254EE04]          ; | --> ULevel pointer
11439881  |.  897C24 5C     MOV DWORD PTR SS:[LOCAL.18],EDI          ; |
11439885  |.  897C24 60     MOV DWORD PTR SS:[LOCAL.17],EDI          ; |
11439889  |.  F30F114424 7C MOVSS DWORD PTR SS:[LOCAL.10],XMM0       ; |
1143988F  |.  89BC24 840000 MOV DWORD PTR SS:[LOCAL.8],EDI           ; |
11439896  |.  89BC24 880000 MOV DWORD PTR SS:[LOCAL.7],EDI           ; |
1143989D  |.  89BC24 8C0000 MOV DWORD PTR SS:[LOCAL.6],EDI           ; |
114398A4  |.  89BC24 900000 MOV DWORD PTR SS:[LOCAL.5],EDI           ; |
114398AB  |.  89BC24 940000 MOV DWORD PTR SS:[LOCAL.4],EDI           ; |
114398B2  |.  89BC24 980000 MOV DWORD PTR SS:[LOCAL.3],EDI           ; |
114398B9  |.  89BC24 9C0000 MOV DWORD PTR SS:[LOCAL.2],EDI           ; |
114398C0  |.  89BC24 A40000 MOV DWORD PTR SS:[LOCAL.0],EDI           ; |
114398C7  |.  E8 748DE6FF   CALL 112A2640                            ; \APB.112A2640, SingleLineCheck call
114398CC  |.  8B8424 940000 MOV EAX,DWORD PTR SS:[ARG.2]
114398D3  |.  33D2          XOR EDX,EDX

// Globally declared vars...

typedef BOOL (__thiscall *SingleLineCheck_t)
(DWORD dwCaller, FAsyncLineCheckResult *Hit, AActor *SourceActor, FVector *End, FVector *Start, DWORD TraceFlags, FVector *Extent, DWORD unk);
// TF = 2286, 22286

SingleLineCheck_t g_pSingleLineCheck = (SingleLineCheck_t)0x112A2640;

DWORD *dwULevel = (DWORD *)0x1254EE04;

FAsyncLineCheckResult Hit;
FVector vExtent = {0,0,0};
FColor color;

...
...

BOOL IsVisible(FVector *start, FVector *end)
{    
    return g_pSingleLineCheck(*dwULevel, &Hit, g_pPC->Pawn, end, start, 0x22286, &vExtent, 0);
}