BF4 x64 Positional Audio - Mumble plugin file

/*
   Copyright (C) 2014, Hattiwatti
   Copyright (C) 2010-2011, Snares <[email protected]>
   Copyright (C) 2005-2011, Thorvald Natvig <[email protected]>
   Copyright (C) 2011, Ryan Austin <[email protected]>
   Copyright (C) 2012, Bojan Hartmann <[email protected]>

   All rights reserved.

   Redistribution and use in source and binary forms, with or without
   modification, are permitted provided that the following conditions
   are met:

   - Redistributions of source code must retain the above copyright notice,
     this list of conditions and the following disclaimer.
   - Redistributions in binary form must reproduce the above copyright notice,
     this list of conditions and the following disclaimer in the documentation
     and/or other materials provided with the distribution.
   - Neither the name of the Mumble Developers nor the names of its
     contributors may be used to endorse or promote products derived from this
     software without specific prior written permission.

   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
   ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
   A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR
   CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
   EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
   PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
   PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
   LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
   NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
   SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/

#include "../mumble_plugin_win32.h"
#include <tchar.h>
#include <vector>


// Pipe stuff
#define BUF_SIZE 256
TCHAR szName[]=TEXT("Global\\BFmumble");

static int fetch(float *avatar_pos, float *avatar_front, float *avatar_top, float *camera_pos, float *camera_front, float *camera_top, std::string &context, std::wstring &identity) {
    for (int i=0;i<3;i++)
        avatar_pos[i] = avatar_front[i] = avatar_top[i] = camera_pos[i] = camera_front[i] = camera_top[i] = 0.0f;

    BYTE state;
    BYTE squad_state;
    BYTE is_squadleader;
    BYTE team_state;
    bool ok;

    char* pBuf;

    // Get values from the mapped memory file

    HANDLE hMapFile = OpenFileMapping(
                    FILE_MAP_ALL_ACCESS,   // read/write access
                    FALSE,                 // do not inherit the name
                    szName);               // name of mapping object

    if(hMapFile == NULL)
        return false;

    pBuf = (char*)MapViewOfFile(hMapFile, // handle to map object
               FILE_MAP_ALL_ACCESS,  // read/write permission
               0,
               0,
               BUF_SIZE);

    if(pBuf == NULL)
        return false;

    std::string csMsg = "";
    std::vector<std::string> args;

    //Parse the message
    for(int i=0;i<strlen(pBuf);i++)
    {
        if(pBuf[i] != ' ' )
        {
            csMsg += pBuf[i];
            if(i == strlen(pBuf)-1)
                args.push_back(csMsg);
        }
        else
        {
            args.push_back(csMsg);
            csMsg = "";
        }
    }

    UnmapViewOfFile(pBuf);
    CloseHandle(hMapFile);

    context = "{ \"ipport\": \"" + args[0] +  "\" }";

    /*
        Get identity string.
    */

    std::string oidentity = "{\"squad\":" + args[2] + "," + "\"squad_leader\":" + (atoi(args[3].c_str()) ? "true" : "false") + ",\"team\":" + args[1].c_str() + "}";
    identity = std::wstring(oidentity.begin(), oidentity.end());

    avatar_top[0] = atof(args[4].c_str());
    avatar_top[1] = atof(args[5].c_str());
    avatar_top[2] = atof(args[6].c_str());

    avatar_front[0] = atof(args[7].c_str());
    avatar_front[1] = atof(args[8].c_str());
    avatar_front[2] = atof(args[9].c_str());

    avatar_pos[0] = atof(args[10].c_str());
    avatar_pos[1] = atof(args[11].c_str());
    avatar_pos[2] = atof(args[12].c_str());

    // Flip our front vector
    for (int i=0;i<3;i++) {
        avatar_front[i] = -avatar_front[i];
    }


    // Convert from right to left handed
    avatar_pos[0] = -avatar_pos[0];
    avatar_front[0] = -avatar_front[0];
    avatar_top[0] = -avatar_top[0];

    for (int i=0;i<3;i++) {
        camera_pos[i] = avatar_pos[i];
        camera_front[i] = avatar_front[i];
        camera_top[i] = avatar_top[i];
    }
    printf("Returning true\n");
    return true;
}


static int trylock(const std::multimap<std::wstring, unsigned long long int> &pids)
{

    float apos[3], afront[3], atop[3], cpos[3], cfront[3], ctop[3];
    std::string context;
    std::wstring identity;

    if (!fetch(apos, afront, atop, cpos, cfront, ctop, context, identity)) {
        generic_unlock();
        return false;
    }
    return true;
}

static const std::wstring longdesc() {
    return std::wstring(L"Supports Battlefield 4 with context and identity support.");
}

static std::wstring description(L"Battlefield 4 64-bit v1147186");
static std::wstring shortname(L"Battlefield 4 64-bit");

static int trylock1() {
    return trylock(std::multimap<std::wstring, unsigned long long int>());
}

static MumblePlugin bf4plug = {
    MUMBLE_PLUGIN_MAGIC,
    description,
    shortname,
    NULL,
    NULL,
    trylock1,
    generic_unlock,
    longdesc,
    fetch
};

static MumblePlugin2 bf4plug2 = {
    MUMBLE_PLUGIN_MAGIC_2,
    MUMBLE_PLUGIN_VERSION,
    trylock
};

extern "C" __declspec(dllexport) MumblePlugin *getMumblePlugin() {
    return &bf4plug;
}

extern "C" __declspec(dllexport) MumblePlugin2 *getMumblePlugin2() {
    return &bf4plug2;
}