Function at 0x421c80
Capabilities:
Resolve function by parsing pe exports

Disassembly:
push 0xffffffffffffffff
push 0x501640
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x50
mov ecx, dword [esp + 0x68]
xor eax, eax
cmp ecx, eax
mov dword [esp + 0x3c], eax
mov dword [esp + 0x38], eax
mov dword [esp + 0x48], eax
mov dword [esp + 0x4c], eax
mov dword [esp + 0x40], eax
mov dword [esp + 0x44], eax
je 0x421fbe
lea eax, [esp + 0x38]
push eax
push ecx
mov ecx, dword [esp + 0x6c]
push ecx
call fcn.0043fa70
cmp eax, 1
jne 0x421fbe
mov edx, dword [esp + 0x60]
push ebx
push ebp
mov ebp, dword [esp + 0x74]
push esi
push edi
mov eax, dword [ebp]
mov ebx, dword [ebp + 8]
mov esi, dword [ebp + 4]
mov ecx, dword [ebp + 0xc]
sub ebx, eax
sub ecx, esi
sub edx, 0
mov dword [esp + 0x10], ebx
mov dword [esp + 0x74], ecx
mov edi, eax
je 0x421f27
dec edx
je 0x421e5a
dec edx
jne 0x421fb0
mov eax, dword [esp + 0x78]
mov ebp, dword [eax + 4]
mov eax, dword [eax + 8]
cmp ebp, ebx
mov dword [esp + 0x70], ebp
mov dword [esp + 0x78], eax
mov dword [esp + 0x7c], eax
jg 0x421d3f
mov eax, ebx
mov ebx, ebp
sub eax, ebp
mov dword [esp + 0x10], ebx
cdq
sub eax, edx
sar eax, 1
add edi, eax
mov edx, dword [esp + 0x78]
cmp edx, ecx
jg 0x421d5c
mov eax, ecx
sub eax, edx
cdq
sub eax, edx
mov edx, dword [esp + 0x78]
sar eax, 1
add esi, eax
mov dword [esp + 0x74], edx
mov ecx, edx
cmp ebp, ebx
jg 0x421d66
cmp dword [esp + 0x78], ecx
jle 0x421dcb
fild dword [esp + 0x70]
fild dword [esp + 0x10]
fdiv st(1)
fild dword [esp + 0x78]
fst qword [esp + 0x18]
fild dword [esp + 0x74]
fdiv st(1)
fstp qword [esp + 0x10]
fstp st(0)
fcom qword [esp + 0x10]
fnstsw ax
test ah, 1
jne 0x421d95
fstp st(0)
fld qword [esp + 0x10]
fxch st(1)
fmul st(1)
call fcn.004c2488
fld qword [esp + 0x18]
fmul st(1)
mov ebp, eax
call fcn.004c2488
mov ecx, eax
mov eax, ebx
sub eax, ebp
mov dword [esp + 0x7c], ecx
cdq
fstp st(0)
sub eax, edx
sar eax, 1
add edi, eax
mov eax, dword [esp + 0x74]
sub eax, ecx
cdq
sub eax, edx
sar eax, 1
add esi, eax
mov eax, dword [esp + 0x7c]
push 0xcc0020
push eax
push ebp
push esi
lea ecx, [esp + 0x58]
push edi
push ecx
call fcn.0043fcd0
mov ebx, dword [esp + 0x84]
test ebx, ebx
je 0x421fb0
mov dword [esp + 0x14], 0
mov dword [esp + 0x10], vtable.CRgn.0
mov edx, dword [esp + 0x7c]
add ebp, edi
add edx, esi
mov dword [esp + 0x68], 2
push edx
push ebp
push esi
push edi
call dword [sym.imp.GDI32.dll_CreateRectRgn]
push eax
lea ecx, [esp + 0x14]
call fcn.004f9748
mov ebp, dword [esp + 0x14]
mov ecx, dword [ebx + 4]
lea eax, [esp + 0x10]
push 4
neg eax
sbb eax, eax
and eax, ebp
push eax
push ecx
push ecx
call dword [sym.imp.GDI32.dll_CombineRgn]
mov dword [esp + 0x10], vtable.CGdiObject.0
mov dword [esp + 0x68], 3
lea ecx, [esp + 0x10]
jmp 0x421fab
add ecx, esi
cmp esi, ecx
jge 0x421f13
mov ecx, dword [esp + 0x50]
mov edi, eax
lea edx, [eax + ebx]
cmp edi, edx
jge 0x421efc
mov eax, dword [esp + 0x54]
add ecx, edi
add eax, esi
push eax
push ecx
push esi
lea ecx, [esp + 0x44]
push edi
push ecx
call dword [sym.imp.USER32.dll_SetRect]
mov edx, dword [esp + 0x80]
lea eax, [esp + 0x38]
push edx
lea ecx, [esp + 0x1c]
push eax
push ecx
call dword [sym.imp.USER32.dll_IntersectRect]
mov eax, dword [esp + 0x1c]
mov edx, dword [esp + 0x18]
mov ecx, dword [esp + 0x20]
mov dword [esp + 0x2c], eax
mov dword [esp + 0x28], edx
mov edx, dword [esp + 0x24]
lea eax, [esp + 0x28]
mov dword [esp + 0x30], ecx
push eax
mov dword [esp + 0x38], edx
call dword [sym.imp.USER32.dll_IsRectEmpty]
test eax, eax
jne 0x421ee8
push 0xcc0020
push 0xffffffffffffffff
push 0xffffffffffffffff
push esi
lea ecx, [esp + 0x58]
push edi
push ecx
call fcn.0043fcd0
mov eax, dword [ebp]
mov ecx, dword [esp + 0x50]
add edi, ecx
lea edx, [eax + ebx]
cmp edi, edx
jl 0x421e75
mov edx, dword [esp + 0x54]
mov edi, dword [esp + 0x74]
add esi, edx
mov edx, dword [ebp + 4]
add edx, edi
cmp esi, edx
jl 0x421e68
mov ecx, dword [esp + 0x84]
test ecx, ecx
je 0x421fb0
jmp 0x421fab
push 0xcc0020
push 0xffffffffffffffff
push 0xffffffffffffffff
push esi
lea eax, [esp + 0x58]
push edi
push eax
call fcn.0043fcd0
mov ebx, dword [esp + 0x84]
xor eax, eax
cmp ebx, eax
je 0x421fb0
mov dword [esp + 0x14], eax
mov dword [esp + 0x10], vtable.CRgn.0
mov ecx, dword [esp + 0x54]
mov edx, dword [esp + 0x50]
mov dword [esp + 0x68], eax
lea eax, [ecx + esi]
lea ecx, [edx + edi]
push eax
push ecx
push esi
push edi
call dword [sym.imp.GDI32.dll_CreateRectRgn]
push eax
lea ecx, [esp + 0x14]
call fcn.004f9748
mov ebp, dword [esp + 0x14]
mov ecx, dword [ebx + 4]
lea eax, [esp + 0x10]
push 4
neg eax
sbb eax, eax
and eax, ebp
push eax
push ecx
push ecx
call dword [sym.imp.GDI32.dll_CombineRgn]
mov dword [esp + 0x10], vtable.CGdiObject.0
mov dword [esp + 0x68], 1
lea ecx, [esp + 0x10]
call fcn.004f979f
lea eax, [esp + 0x48]
push eax
call fcn.00440030
pop edi
pop esi
pop ebp
pop ebx
mov ecx, dword [esp + 0x50]
mov dword fs:[0], ecx
add esp, 0x5c
ret