mumble/plugins/bf2142/bf2142.cpp

124 lines
3.2 KiB
C++

// Copyright 2005-2016 The Mumble Developers. All rights reserved.
// Use of this source code is governed by a BSD-style license
// that can be found in the LICENSE file at the root of the
// Mumble source tree or at <https://www.mumble.info/LICENSE>.
#include "../mumble_plugin_win32_x86.h"
procptr32_t posptr, faceptr, topptr;
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 &) {
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;
char ccontext[128];
char state;
char logincheck;
bool ok;
ok = peekProc(0x00A1D908, &logincheck, 1);
if (! ok)
return false;
if (logincheck == 0)
return false;
/*
state value is:
0 while not in game
usually 1, never 0 if you create your own server ingame; this value will switch to 1 the instant you click "Join Game"
usually 3, never 0 if you load into a server; this value will switch to 3 the instant you click "Join Game"
*/
ok = peekProc(0x00B47968, &state, 1); // Magical state value
if (! ok)
return false;
ok = peekProc(posptr, avatar_pos, 12) &&
peekProc(faceptr, avatar_front, 12) &&
peekProc(topptr, avatar_top, 12) &&
peekProc(0x00B527B8, ccontext, 128);
if (! ok)
return false;
/*
Get context string; in this plugin this will be an
ip:port (char 256 bytes) string
*/
ccontext[127] = 0;
context = std::string(ccontext);
if (state == 0)
return true; // This results in all vectors beeing zero which tells Mumble to ignore them.
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];
}
return true;
}
static int trylock(const std::multimap<std::wstring, unsigned long long int> &pids) {
posptr = faceptr = topptr = NULL;
if (! initialize(pids, L"BF2142.exe", L"BF2142Audio.dll"))
return false;
procptr32_t cacheaddr = pModule + 0x4745c;
procptr32_t cache = peekProc<procptr32_t>(cacheaddr);
posptr = peekProc<procptr32_t>(cache + 0xc0);
faceptr = peekProc<procptr32_t>(cache + 0xc4);
topptr = peekProc<procptr32_t>(cache + 0xc8);
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)) {
return true;
} else {
generic_unlock();
return false;
}
}
static const std::wstring longdesc() {
return std::wstring(L"Supports Battlefield 2142 v1.50. No identity support yet.");
}
static std::wstring description(L"Battlefield 2142 v1.50");
static std::wstring shortname(L"Battlefield 2142");
static int trylock1() {
return trylock(std::multimap<std::wstring, unsigned long long int>());
}
static MumblePlugin bf2142plug = {
MUMBLE_PLUGIN_MAGIC,
description,
shortname,
NULL,
NULL,
trylock1,
generic_unlock,
longdesc,
fetch
};
static MumblePlugin2 bf2142plug2 = {
MUMBLE_PLUGIN_MAGIC_2,
MUMBLE_PLUGIN_VERSION,
trylock
};
extern "C" __declspec(dllexport) MumblePlugin *getMumblePlugin() {
return &bf2142plug;
}
extern "C" __declspec(dllexport) MumblePlugin2 *getMumblePlugin2() {
return &bf2142plug2;
}