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// Copyright 2009-2023 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>.
#define MUMBLE_ALLOW_DEPRECATED_LEGACY_PLUGIN_API
#include "mumble_legacy_plugin.h"
#include "mumble_positional_audio_main.h"
using namespace std;
procptr_t posptr, rotptr, stateptr, hostptr;
static bool calcout(float *pos, float *rot, float *opos, float *front, float *top) {
float v = rot[0];
float h = rot[1];
if ((v < -360.0f) || (v > 360.0f) || (h < -360.0f) || (h > 360.0f))
return false;
v *= static_cast< float >(M_PI / 180.0f);
h *= static_cast< float >(M_PI / 180.0f);
// Seems Gmod is in inches. INCHES?!?
opos[0] = pos[0] / 39.37f;
opos[1] = pos[2] / 39.37f;
opos[2] = pos[1] / 39.37f;
front[0] = cos(h) * cos(v);
front[1] = -sin(v);
front[2] = sin(h) * cos(v);
v -= static_cast< float >(M_PI / 2.0f);
top[0] = cos(h) * cos(v);
top[1] = -sin(v);
top[2] = sin(h) * cos(v);
return true;
}
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;
float ipos[3], rot[3];
bool ok;
// char state;
char chHostStr[40];
string sHost;
ostringstream new_context;
ok = peekProc(posptr, ipos, 12)
&& peekProc(rotptr, rot, 12)
//&& peekProc(stateptr, &state, 1)
&& peekProc(hostptr, chHostStr, 40);
if (!ok)
return false;
chHostStr[39] = 0;
sHost.assign(chHostStr);
if (sHost.find(':') == string::npos)
sHost.append(":27015");
new_context << "<context>"
<< "<game>gmod</game>"
<< "<hostport>" << sHost << "</hostport>"
<< "</context>";
context = new_context.str();
/*
// Check to see if you are spawned
if (state != 18)
return true; // Deactivate plugin
*/
ok = calcout(ipos, rot, avatar_pos, avatar_front, avatar_top);
if (ok) {
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;
}
return false;
}
static int trylock(const std::multimap< std::wstring, unsigned long long int > &pids) {
posptr = rotptr = 0;
if (!initialize(pids, L"hl2.exe", L"client.dll"))
return false;
procptr_t mod_engine = getModuleAddr(L"engine.dll");
if (!mod_engine)
return false;
// Remember addresses for later
// position tuple: x,y,z, float
// client.dll+0x6856B8
posptr = pModule + 0x6856B8;
// orientation tuple: v,h,? float
// v: up = -90°, down = 90°; h (rotation): -180 - 180°
// client.dll+0x5B5914
rotptr = pModule + 0x5B5914;
// spawn state: client.dll+0x?????? - 0 when at main menu, 2 when not spawned, 15 to 14 when spawned, byte
// This could not be verified/found by Kissaki
stateptr = mod_engine + 0x375565;
// ID string; Game name "garrysmod"
// engine.dll+0x6622DC
procptr_t idptr = mod_engine + 0x6622DC;
// host string: String in form "ip:port".
// engine.dll+0x49176C
hostptr = mod_engine + 0x49176C;
// Gamecheck
const char ID[] = "garrysmod";
char sMagic[18];
if (!peekProc(idptr, sMagic, sizeof(ID)) || strncmp(ID, sMagic, sizeof(ID)) != 0)
return false;
// Check if we can get meaningful data from it
float apos[3], afront[3], atop[3];
float cpos[3], cfront[3], ctop[3];
wstring sidentity;
string scontext;
if (fetch(apos, afront, atop, cpos, cfront, ctop, scontext, sidentity)) {
return true;
} else {
generic_unlock();
return false;
}
}
static const std::wstring longdesc() {
// Exe build: 20:55:48 Jun 17 2014 (5692) (4000)
return std::wstring(L"Supports Gmod 11 build 4426. No identity support yet.");
}
static std::wstring description(L"Garry's Mod 11 (Build 5692)");
static std::wstring shortname(L"Garry's Mod 11");
static int trylock1() {
return trylock(std::multimap< std::wstring, unsigned long long int >());
}
static MumblePlugin gmodplug = { MUMBLE_PLUGIN_MAGIC, description, shortname, nullptr, nullptr, trylock1,
generic_unlock, longdesc, fetch };
static MumblePlugin2 gmodplug2 = { MUMBLE_PLUGIN_MAGIC_2, MUMBLE_PLUGIN_VERSION, trylock };
extern "C" MUMBLE_PLUGIN_EXPORT MumblePlugin *getMumblePlugin() {
return &gmodplug;
}
extern "C" MUMBLE_PLUGIN_EXPORT MumblePlugin2 *getMumblePlugin2() {
return &gmodplug2;
}
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