Halo Mumble Plugin(Code)

[Skarma]

By: Prolak aka Snarf
3d Positional Sound
http://mumble.sourceforge.net/FAQ#Ho..._sound_work.3F
"Still working on it if anyone has a good idea on how to scale the distance please post " I think it's because of the game units halo uses, but if anyone else knows, post please!

/*Credits: Skarma,Skillz and whoever wrote this skeleton base*/
 
#define _USE_MATH_DEFINES
#include <stdio.h>
#include <stdlib.h>
#include <windows.h>
#include <tlhelp32.h>
#include <math.h>
#include "mumble_plugin.h"
HANDLE h = NULL;
static DWORD getProcess(const wchar_t *exename) {
 PROCESSENTRY32 pe;
 DWORD pid = 0;
 pe.dwSize = sizeof(pe);
 HANDLE hSnap = CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0);
 if (hSnap != INVALID_HANDLE_VALUE) {
  BOOL ok = Process32First(hSnap, &pe);
  while (ok) {
   if (wcscmp(pe.szExeFile, exename)==0) {
    pid = pe.th32ProcessID;
    break;
   }
   ok = Process32Next(hSnap, &pe);
  }
  CloseHandle(hSnap);
 }
 return pid;
}
 
 
 
static bool peekProc(VOID *base, VOID *dest, SIZE_T len) {
 SIZE_T r;
 BOOL ok=ReadProcessMemory(h, base, dest, len, &r);
 return (ok && (r == len));
}
static void about(HWND h) {
 ::MessageBox(h, L"Reads audio position information from Halo", L"Mumble Halo Plugin", MB_OK);
}
 
static int fetch(float *pos, float *front, float *top) {
 float viewHor, viewVer;
 char state;
 for (int i=0;i<3;i++)
  pos[i]=front[i]=top[i]=0.0f;
 bool ok;
 
 ok = peekProc((BYTE *) 0x06AC4DE, &state, 1);
 if (! ok)
  return false;
 if (state == 3)
  return true; 
 
 
      DWORD addie;
      ok =
      peekProc((BYTE *) (0x6AC4E4) , pos,   4) && 
      peekProc((BYTE *) (0x6AC4E8) , pos+1, 4) && 
      peekProc((BYTE *) (0x6AC4EC) , pos+2, 4) && 
 
 
  peekProc((BYTE *) (0x6AC504) , front,   4) && 
  peekProc((BYTE *) (0x6AC508) , front+1, 4) &&
  peekProc((BYTE *) (0x6AC50C) , front+2, 4);
 
 
 
 
 
  if (! ok)
  return false;
 
    return ok;
}
static int trylock() {
 h = NULL;
 DWORD pid=getProcess(L"halo.exe");
 if (!pid)
  return false;
 h=OpenProcess(PROCESS_VM_READ, false, pid);
 if (!h)
  return false;
 float pos[3], front[3], top[3];
 if (fetch(pos, front, top))
  return true;
 CloseHandle(h);
 h = NULL;
 return false;
}
static void unlock() {
 if (h) {
  CloseHandle(h);
  h = NULL;
 }
}
static MumblePlugin AssaultCubePlug = {
 MUMBLE_PLUGIN_MAGIC,
 L"Halo",
 L"Halo",
 about,
 NULL,
 trylock,
 unlock,
 fetch
};
extern "C" __declspec(dllexport) MumblePlugin *getMumblePlugin() {
 return &AssaultCubePlug;
}