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Positional audio support for Quake Live

With full extended support (context + identity)
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davidebeatrici authored and mkrautz committed Apr 18, 2016
1 parent b72a5a1 commit 4f7af5042071eff0d2ee31fa58f90c9229b14d88
Showing with 172 additions and 0 deletions.
  1. +167 −0 plugins/ql/ql.cpp
  2. +5 −0 plugins/ql/ql.pro
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// Copyright 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.h"

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;
}

char state, host[22];
BYTE team;
bool ok;

// Create containers to stuff our raw data into, so we can convert it to Mumble's coordinate system
float pos_corrector[3];
float viewHor, viewVer;

// Peekproc and assign game addresses to our containers, so we can retrieve positional data
ok = peekProc((BYTE *) pModule + 0x0188248, &state, 1) && // Magical state value: 1 when in-game and 0 when not
peekProc((BYTE *) pModule + 0x10728C4, &pos_corrector, 12) &&
peekProc((BYTE *) pModule + 0x1072954, &viewHor, 4) &&
peekProc((BYTE *) pModule + 0x1072950, &viewVer, 4) &&
peekProc((BYTE *) pModule + 0x0E4A638, host) && // Server value: "IP:Port" when in a remote server, "localhost" when on a local server.
peekProc((BYTE *) pModule + 0x106CE6C, team); // Team value: 0 when in a FFA game (no team); 1 when in Red team; 2 when in Blue team; 3 when in Spectators.

if (! ok) {
return false;
}

if (state == 0) { // If not in-game
context.clear(); // Clear context
identity.clear(); // Clear identity

return true; // This results in all vectors beeing zero which tells Mumble to ignore them.
}

if (state == 1 && team == 3) { // If in-game as spectator
/*
Set to 0 avatar and camera values.
*/
for (int i=0;i<3;i++) {
camera_pos[i] = camera_front[i] = camera_top[i] = avatar_pos[i] = avatar_front[i] = avatar_top[i] = 0.0f;
}
/*
Set team to SPEC.
*/
std::wostringstream oidentity;
oidentity << "{\"team\": \"SPEC\"}";
identity = oidentity.str();

return true; // This results in all vectors beeing zero which tells Mumble to ignore them.
}

host[sizeof(host) - 1] = '\0';
std::string Server(host);
// This string can be either "xxx.xxx.xxx.xxx:yyyyy" (or shorter), "localhost" or "" (empty) when loading. Hence 22 size for char.
if (!Server.empty()) {
if (Server.find("localhost") == std::string::npos) {
std::ostringstream newcontext;
newcontext << "{\"ipport\": \"" << Server << "\"}";
context = newcontext.str();
}

std::wostringstream oidentity;
if (team == 0)
oidentity << "{\"team\": \"FFA\"}";
else if (team == 1)
oidentity << "{\"team\": \"RED\"}";
else if (team == 2)
oidentity << "{\"team\": \"BLUE\"}";
else if (team == 3)
oidentity << "{\"team\": \"SPEC\"}";
identity = oidentity.str();
}

/*
Game | Mumble
X | Y
Y | Z
Z | X
*/
avatar_pos[0] = pos_corrector[1];
avatar_pos[1] = pos_corrector[2];
avatar_pos[2] = pos_corrector[0];

// Scale to meters
for (int i=0;i<3;i++)
avatar_pos[i]/=70.0f;

viewVer *= static_cast<float>(M_PI / 180.0f);
viewHor *= static_cast<float>(M_PI / 180.0f);

avatar_front[0] = -sin(viewHor) * cos(viewVer);
avatar_front[1] = -sin(viewVer);
avatar_front[2] = cos(viewHor) * cos(viewVer);

avatar_top[0] = -sin(viewHor) * cos(viewVer);
avatar_top[1] = -sin(viewVer);
avatar_top[2] = cos(viewHor) * cos(viewVer);

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) {

if (! initialize(pids, L"quakelive_steam.exe")) { // Link the game executable
return false;
}

// Check if we can get meaningful data from it
float apos[3], afront[3], atop[3], cpos[3], cfront[3], ctop[3];
std::wstring sidentity;
std::string scontext;

if (fetch(apos, afront, atop, cpos, cfront, ctop, scontext, sidentity)) {
return true;
} else {
generic_unlock();
return false;
}
}

static const std::wstring longdesc() {
return std::wstring(L"Supports Quake Live version 1067 with context and identity support."); // Plugin long description
}

static std::wstring description(L"Quake Live (v1067)"); // Plugin short description
static std::wstring shortname(L"Quake Live"); // Plugin short name

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

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

static MumblePlugin2 qlplug2 = {
MUMBLE_PLUGIN_MAGIC_2,
MUMBLE_PLUGIN_VERSION,
trylock
};

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

extern "C" __declspec(dllexport) MumblePlugin2 *getMumblePlugin2() {
return &qlplug2;
}
@@ -0,0 +1,5 @@
include(../plugins.pri)

TARGET = ql
SOURCES = ql.cpp
LIBS += -luser32

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