user: What would the C source look like for the assembly code provided here?

```asm
<draw_bullseye>:
  endbr64
  push   %r15
  movaps %xmm0,%xmm1
  pxor   %xmm0,%xmm0
  pxor   %xmm2,%xmm2
  push   %r14
  cvtsi2ss %r9d,%xmm2
  push   %r13
  mov    %edx,%r13d
  push   %r12
  mov    %esi,%r12d
  push   %rbp
  mov    %rdi,%rbp
  push   %rbx
  mov    %ecx,%ebx
  cvtsi2ss %ebx,%xmm0
  sub    $0x28,%rsp
  mov    0x60(%rsp),%edx
  mov    0x68(%rsp),%ecx
  mov    %r8d,0x1c(%rsp)
  mulss  D6(%rip),%xmm0
  mov    0x78(%rsp),%r15d
  movss  %xmm1,0xc(%rsp)
  mov    %edx,0x18(%rsp)
  mov    %ecx,0x10(%rsp)
  subss  %xmm2,%xmm0
  pxor   %xmm2,%xmm2
  cvtsi2ssl 0x70(%rsp),%xmm2
  mulss  %xmm1,%xmm2
  addss  %xmm2,%xmm0
  call   <floorf@plt>
  mov    0x10(%rsp),%ecx
  pxor   %xmm2,%xmm2
  movss  0xc(%rsp),%xmm1
  cvtsi2ss %r15d,%xmm2
  mov    %eax,%r14d
  pxor   %xmm0,%xmm0
  mov    %ecx,%eax
  shr    $0x1f,%eax
  add    %ecx,%eax
  mulss  %xmm2,%xmm1
  sar    %eax
  cvtsi2ss %eax,%xmm0
  addss  %xmm1,%xmm0
  cvttss2si %xmm0,%edi
  call   <ceilf@plt>
  mov    0x1c(%rsp),%r8d
  pxor   %xmm0,%xmm0
  mov    %rax,%r15
  cvtsi2ss %r8d,%xmm0
  mulss  D19(%rip),%xmm0
  cvttss2si %xmm0,%edi
  call   <ceilf@plt>
  mov    0x18(%rsp),%edx
  mov    %r15d,%r8d
  mov    %r14d,%ecx
  mov    %rax,%r10
  lea    (%rbx,%rbx,8),%eax
  mov    %r12d,%esi
  mov    %rbp,%rdi
  sub    %r10d,%eax
  mov    %r10,0x10(%rsp)
  movslq %eax,%rbx
  sar    $0x1f,%eax
  imul   $0x66666667,%rbx,%rbx
  sar    $0x22,%rbx
  sub    %eax,%ebx
  mov    %ebx,%eax
  sub    %edx,%eax
  cmp    %edx,%ebx
  mov    %r13d,%edx
  cmovg  %eax,%ebx
  sub    $0x8,%rsp
  push   $0x31
  lea    (%rbx,%rbx,4),%r9d
  add    %r10d,%r9d
  mov    %r9d,0x1c(%rsp)
  call   <draw_mp_circle@plt>
  mov    0x1c(%rsp),%r9d
  mov    %r15d,%r8d
  mov    %r14d,%ecx
  mov    %r13d,%edx
  mov    %r12d,%esi
  mov    %rbp,%rdi
  movl   $0x30,(%rsp)
  sub    %ebx,%r9d
  mov    %r9d,0x1c(%rsp)
  call   <draw_mp_circle@plt>
  mov    0x1c(%rsp),%r9d
  mov    %r15d,%r8d
  mov    %r14d,%ecx
  mov    %r13d,%edx
  mov    %r12d,%esi
  mov    %rbp,%rdi
  movl   $0x31,(%rsp)
  sub    %ebx,%r9d
  mov    %r9d,0x1c(%rsp)
  call   <draw_mp_circle@plt>
  mov    0x1c(%rsp),%r9d
  mov    %r15d,%r8d
  mov    %r14d,%ecx
  mov    %r13d,%edx
  mov    %r12d,%esi
  mov    %rbp,%rdi
  movl   $0x30,(%rsp)
  sub    %ebx,%r9d
  mov    %r9d,0x1c(%rsp)
  call   <draw_mp_circle@plt>
  mov    0x1c(%rsp),%r9d
  mov    %r15d,%r8d
  mov    %r14d,%ecx
  mov    %r13d,%edx
  mov    %r12d,%esi
  mov    %rbp,%rdi
  movl   $0x31,(%rsp)
  sub    %ebx,%r9d
  call   <draw_mp_circle@plt>
  mov    0x20(%rsp),%r10
  mov    %r15d,%r8d
  mov    %r14d,%ecx
  movl   $0x30,0x70(%rsp)
  add    $0x38,%rsp
  mov    %r13d,%edx
  mov    %r12d,%esi
  pop    %rbx
  mov    %rbp,%rdi
  mov    %r10d,%r9d
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  jmp    1070 <draw_mp_circle@plt>
```

tool_calls: name: read_data
arguments: label: D6
data_type: byte[4]
name: read_data
arguments: label: D19
data_type: byte[4]

tool: {"D6": [0x00,0x00,0x68,0x41]}

tool: {"D19": [0x00,0x00,0x00,0x3f]}

assistant: ```c
void draw_bullseye(unsigned char *pixelbuf, const int image_width, const int image_height, const int hex_width, const int hex_height, const int hx_start, const int hx_end, const int hex_image_height, const int xoffset, const int yoffset, const float scaler) {
  const int x = (int)floorf(14.5f * hex_width - hx_start + xoffset * scaler);
  const int y = (int)ceilf(hex_image_height / 2 + yoffset * scaler);
  const int r1 = (int)ceilf(hex_height / 2.0f);
  int r_incr = ((hex_width * 9 - r1) / 5) / 2;
  if (r_incr > hx_end) {
    r_incr -= hx_end;
  }
  draw_mp_circle(pixelbuf, image_width, image_height, x, y, r1 + r_incr * 5, '1');
  draw_mp_circle(pixelbuf, image_width, image_height, x, y, r1 + r_incr * 4, '0');
  draw_mp_circle(pixelbuf, image_width, image_height, x, y, r1 + r_incr * 3, '1');
  draw_mp_circle(pixelbuf, image_width, image_height, x, y, r1 + r_incr * 2, '0');
  draw_mp_circle(pixelbuf, image_width, image_height, x, y, r1 + r_incr, '1');
  draw_mp_circle(pixelbuf, image_width, image_height, x, y, r1, '0');
}
```