mumble/plugins/bfbc2/bfbc2.cpp

// 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>.

/* Copyright (C) 2010-2012, Snares <snares@users.sourceforge.net>
   Copyright (C) 2005-2012, Thorvald Natvig <thorvald@natvig.com>

   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"

bool is_steam = false;

static int fetch(float *avatar_pos, float *avatar_front, float *avatar_top, float *camera_pos, float *camera_front, float *camera_top, std::string &, 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;
	bool ok;

	/*
	ok = peekProc((BYTE *) 0x0, &state, 1); // Magical state value
	if (! ok)
		return false;
	*/

	// Find out whether this is the steam version
	char sMagic[6];
	if (!peekProc((BYTE *) 0x015715b4, sMagic, 6)) {
		generic_unlock();
		return false;
	}

	is_steam = (strncmp("Score:", sMagic, 6) == 0);

	if (is_steam) {
		ok = peekProc((BYTE *) 0x01571E90, avatar_pos, 12) &&
		     peekProc((BYTE *) 0x01571E80, avatar_front, 12) &&
		     peekProc((BYTE *) 0x01571E70, avatar_top, 12);
	} else {
		ok = peekProc((BYTE *) 0x01579600, avatar_pos, 12) &&
		     peekProc((BYTE *) 0x015795F0, avatar_front, 12) &&
		     peekProc((BYTE *) 0x015795E0, avatar_top, 12);
	}

	if (! ok)
		return false;

	// Disable when not in game
	if (avatar_pos[1] == 9999)
		return true;

	/*
	    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 ok;
}

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

	if (! initialize(pids, L"BFBC2Game.exe"))
		return false;

	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 Bad Company 2 build 795745. No identity or context support.");
}

static std::wstring description(L"Battlefield Bad Company 2 build 795745");
static std::wstring shortname(L"Battlefield Bad Company 2");

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

static MumblePlugin bfbc2plug = {
	MUMBLE_PLUGIN_MAGIC,
	description,
	shortname,
	NULL,
	NULL,
	trylock1,
	generic_unlock,
	longdesc,
	fetch
};

static MumblePlugin2 bfbc2plug2 = {
	MUMBLE_PLUGIN_MAGIC_2,
	MUMBLE_PLUGIN_VERSION,
	trylock
};

extern "C" __declspec(dllexport) MumblePlugin *getMumblePlugin() {
	return &bfbc2plug;
}

extern "C" __declspec(dllexport) MumblePlugin2 *getMumblePlugin2() {
	return &bfbc2plug2;
}