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* Parsing playlist from keyvalues now.
* When hosting a server it will ask for a playlist to be chosen.
* Load playlist on demand into memory.
* Load playlist from disk.
* Added LoadPlaylist hook to clear the MapVPKCache that causes crashes with launchplaylist concommand
* KeyValues class is useable now.
This commit is contained in:
IcePixelx 2021-08-20 23:40:44 +02:00
parent 7dfddb71d7
commit 8496ccc417
13 changed files with 174 additions and 45 deletions
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14
r5dev/include/gameclasses.h
View File

@ -34,6 +34,8 @@ public:
typedef int HKeySymbol;
#define MAKE_3_BYTES_FROM_1_AND_2( x1, x2 ) (( (( std::uint16_t )x2) << 8 ) | (std::uint8_t)(x1))
class CKeyValuesSystem // VTABLE @ 0x1413AA1E8 in R5pc_r5launch_N1094_CL456479_2019_10_30_05_20_PM
{
public:
@ -140,11 +142,12 @@ public:
KeyValues* FindKey(const char* keyName, bool bCreate)
{
// static auto func = reinterpret_cast<KeyValues*(__thiscall*)(KeyValues*, const char*, bool)>(p_KeyValues_FindKey);
// return func(this, keyName, bCreate);
return nullptr;
static auto func = reinterpret_cast<KeyValues*(__thiscall*)(KeyValues*, const char*, bool)>(addr_KeyValues_FindKey);
return func(this, keyName, bCreate);
}
const char* GetName();
int GetInt(const char* keyName, int defaultValue)
{
KeyValues* dat = FindKey(keyName, false);
@ -368,8 +371,13 @@ namespace GameGlobals
extern CHostState* HostState;
extern CInputSystem* InputSystem;
extern CCVar* Cvar;
extern KeyValues** PlaylistKeyValues;
extern CKeyValuesSystem* KeyValuesSystem;
extern std::vector<std::string> allPlaylists;
ConVar* CreateCustomConVar(const char* name, const char* defaultValue, int flags, const char* helpString, bool bMin, float fMin, bool bMax, float fMax, void* callback, void* unk);
void InitGameGlobals();
void InitConVars();
void InitPlaylist();
extern bool IsInitialized;
}

4
r5dev/include/hooks.h
View File

@ -103,9 +103,13 @@ namespace Hooks
#pragma region Other
int MSG_EngineError(char* fmt, va_list args);
bool LoadPlaylist(const char* playlist);
using MSG_EngineErrorFn = int(*)(char*, va_list);
extern MSG_EngineErrorFn originalMSG_EngineError;
using LoadPlaylistFn = bool(*)(const char*);
extern LoadPlaylistFn originalLoadPlaylist;
#pragma endregion
void InstallHooks();

23
r5dev/include/patterns.h
View File

@ -16,7 +16,7 @@ namespace
FUNC_AT_ADDRESS(addr_ConCommand_IsFlagSet, bool(*)(int*, int), r5_patterns.PatternSearch("85 51 38 0F 95 C0 C3").GetPtr());
/*0x140279CE0*/
FUNC_AT_ADDRESS(addr_downloadPlaylists_Callback, void*, r5_patterns.PatternSearch("33 C9 C6 05 ? ? ? ? ? E9 ? ? ? ?").GetPtr());
FUNC_AT_ADDRESS(addr_downloadPlaylists_Callback, void(*)(), r5_patterns.PatternSearch("33 C9 C6 05 ? ? ? ? ? E9 ? ? ? ?").GetPtr());
#pragma endregion
#pragma region Squirrel
@ -74,9 +74,23 @@ namespace
/*0x1401B31C0*/
FUNC_AT_ADDRESS(addr_MemAlloc_Wrapper, void*(*)(__int64), r5_patterns.StringSearch("ConversionModeMenu").FindPatternSelf("E8 ? ? ? ? 48", MemoryAddress::Direction::UP).FollowNearCallSelf().GetPtr());
/*0x14B37DE80 has current loaded playlist name*/
/*0x1402790C0*/
FUNC_AT_ADDRESS(addr_LoadPlaylist, bool(*)(const char*), r5_patterns.PatternSearch("E8 ? ? ? ? 80 3D ? ? ? ? ? 74 0C").FollowNearCallSelf().GetPtr());
/*0x1671060C0*/
FUNC_AT_ADDRESS(addr_MapVPKCache, void*, r5_patterns.StringSearch("PrecacheMTVF").FindPatternSelf("48 8D 1D ? ? ? ? 4C", MemoryAddress::Direction::UP, 900).OffsetSelf(0x3).ResolveRelativeAddress().GetPtr());
/*0x140278C50*/
FUNC_AT_ADDRESS(addr_mp_gamemode_Callback, bool(*)(const char*), r5_patterns.StringSearch("Failed to load playlist data\n").FindPatternSelf("E8 ? ? ? ? B0 01", MemoryAddress::Direction::DOWN, 200).FollowNearCallSelf().GetPtr());
#pragma endregion
// Un-used atm.
// DWORD64 p_KeyValues_FindKey = /*1404744E0*/ reinterpret_cast<DWORD64>(PatternScan("r5apex.exe", "40 56 57 41 57 48 81 EC ?? ?? ?? ?? 45"));
#pragma region KeyValues
/*0x1404744E0*/
FUNC_AT_ADDRESS(addr_KeyValues_FindKey, void*(*)(void*, const char*, bool), r5_patterns.PatternSearch("40 56 57 41 57 48 81 EC ?? ?? ?? ?? 45").GetPtr());
#pragma endregion
void PrintHAddress() // Test the sigscan results
{
@ -85,6 +99,7 @@ namespace
PRINT_ADDRESS("ConVar_IsFlagSet", addr_ConVar_IsFlagSet);
PRINT_ADDRESS("ConCommand_IsFlagSet", addr_ConCommand_IsFlagSet);
PRINT_ADDRESS("Downloadplaylists_Callback", addr_downloadPlaylists_Callback);
PRINT_ADDRESS("MP_gamemode_Callback", addr_mp_gamemode_Callback);
PRINT_ADDRESS("SQVM_Print", addr_SQVM_Print);
PRINT_ADDRESS("SQVM_LoadScript", addr_SQVM_LoadScript);
PRINT_ADDRESS("SQVM_LoadRson", addr_SQVM_LoadRson);
@ -98,6 +113,8 @@ namespace
PRINT_ADDRESS("CVEngineServer::IsPersistenceDataAvailable", addr_CVEngineServer_IsPersistenceDataAvailable);
PRINT_ADDRESS("CBaseFileSystem::FileSystemWarning", addr_CBaseFileSystem_FileSystemWarning);
PRINT_ADDRESS("MSG_EngineError", addr_MSG_EngineError);
PRINT_ADDRESS("LoadPlaylist", addr_LoadPlaylist);
PRINT_ADDRESS("MapVPKCache", addr_MapVPKCache);
PRINT_ADDRESS("MemAlloc_Wrapper", addr_MemAlloc_Wrapper);
std::cout << "+--------------------------------------------------------+" << std::endl;
// TODO implement error handling when sigscan fails or result is 0

1
r5dev/r5dev.vcxproj
View File

@ -382,6 +382,7 @@ if not EXIST $(SolutionDir)r5net\lib\$(Configuration)\r5net.lib (
<ClCompile Include="src\hooks\cvengineserver.cpp" />
<ClCompile Include="src\hooks\hooks.cpp" />
<ClCompile Include="src\hooks\iconvar.cpp" />
<ClCompile Include="src\hooks\loadplaylist.cpp" />
<ClCompile Include="src\hooks\msgbox.cpp" />
<ClCompile Include="src\hooks\net.cpp" />
<ClCompile Include="src\hooks\netchannel.cpp" />

3
r5dev/r5dev.vcxproj.filters
View File

@ -192,6 +192,9 @@
<ClCompile Include="src\hooks\netchannel.cpp">
<Filter>hooks\src\netchannel</Filter>
</ClCompile>
<ClCompile Include="src\hooks\loadplaylist.cpp">
<Filter>hooks\src\other</Filter>
</ClCompile>
</ItemGroup>
<ItemGroup>
<ClInclude Include="..\external\imgui\include\imgui_impl_win32.h">

73
r5dev/src/CCompanion.cpp
View File

@ -191,7 +191,7 @@ void CCompanion::ServerBrowserSection()
ImGui::TableSetupColumn("Name", ImGuiTableColumnFlags_WidthStretch, 20);
ImGui::TableSetupColumn("Map", ImGuiTableColumnFlags_WidthStretch, 25);
ImGui::TableSetupColumn("Port", ImGuiTableColumnFlags_WidthStretch, 5);
ImGui::TableSetupColumn("Gamemode", ImGuiTableColumnFlags_WidthStretch, 5);
ImGui::TableSetupColumn("Playlist", ImGuiTableColumnFlags_WidthStretch, 5);
ImGui::TableSetupColumn("", ImGuiTableColumnFlags_WidthStretch, 5);
ImGui::TableHeadersRow();
@ -200,7 +200,7 @@ void CCompanion::ServerBrowserSection()
const char* name = server.name.c_str();
const char* map = server.map.c_str();
const char* port = server.port.c_str();
const char* gamemode = server.gamemode.c_str();
const char* playlist = server.playlist.c_str();
if (ServerBrowserFilter.PassFilter(name)
|| ServerBrowserFilter.PassFilter(map)
@ -216,7 +216,7 @@ void CCompanion::ServerBrowserSection()
ImGui::Text(port);
ImGui::TableNextColumn();
ImGui::Text(gamemode);
ImGui::Text(playlist);
ImGui::TableNextColumn();
std::string selectButtonText = "Connect##";
@ -309,9 +309,9 @@ void CCompanion::ServerBrowserSection()
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};
// ^^^^
// this definitely wont reach the final commit lmao
@ -328,7 +328,7 @@ void CCompanion::ServerBrowserSection()
}
ImGui::EndChild();
ImGui::PopStyleColor(); // Pop the override for the child bg.
ImGui::SameLine();
ImGui::Text("Enter the following details to continue");
@ -398,6 +398,17 @@ void CCompanion::HostServerSection()
}
ImGui::EndCombo();
}
if (ImGui::BeginCombo("Playlist##ServerHost_PlaylistBox", MyServer.playlist.c_str()))
{
for (auto& item : GameGlobals::allPlaylists)
{
if (ImGui::Selectable(item.c_str(), item == MyServer.playlist))
{
MyServer.playlist = item;
}
}
ImGui::EndCombo();
}
ImGui::Spacing();
ImGui::Checkbox("Start as Dedicated Server (HACK)##ServerHost_DediCheckbox", &StartAsDedi);
@ -408,24 +419,36 @@ void CCompanion::HostServerSection()
ImGui::Separator();
if (ImGui::Button("Start Server##ServerHost_StartServerButton", ImVec2(ImGui::GetWindowSize().x, 32)))
if (!GameGlobals::HostState->m_bActiveGame)
{
if (!MyServer.name.empty())
if (ImGui::Button("Start Server##ServerHost_StartServerButton", ImVec2(ImGui::GetWindowSize().x, 32)))
{
ServerNameErr = std::string();
UpdateHostingStatus();
std::stringstream cmd;
cmd << "map " << ServerMap;
ProcessCommand(cmd.str().c_str());
if (StartAsDedi)
if (!MyServer.name.empty() && !MyServer.playlist.empty())
{
Hooks::ToggleDevCommands();
ServerNameErr = std::string();
UpdateHostingStatus();
/*
* Playlist gets parsed in two instances, first in LoadPlaylist all the neccessary values.
* Then when you would normally call launchplaylist which calls StartPlaylist it would cmd call mp_gamemode which parses the gamemode specific part of the playlist..
*/
addr_LoadPlaylist(MyServer.playlist.c_str());
addr_mp_gamemode_Callback(MyServer.playlist.c_str());
GameGlobals::Cvar->FindVar("mp_gamemode")->m_pzsCurrentValue = MyServer.playlist.c_str(); // Since we call the callback of the cmd, set the playlist name manually here.
std::stringstream cmd;
cmd << "map " << ServerMap;
ProcessCommand(cmd.str().c_str());
if (StartAsDedi)
{
Hooks::ToggleDevCommands();
}
}
else
{
ServerNameErr = "No Server Name assigned. Or playlist assigned.";
}
}
else
{
ServerNameErr = "No Server Name assigned.";
}
}
@ -462,6 +485,14 @@ void CCompanion::HostServerSection()
GameGlobals::HostState->m_iNextState = HostStates_t::HS_GAME_SHUTDOWN; // Force CHostState::FrameUpdate to shutdown the server for dedicated.
}
}
else
{
if (ImGui::Button("Reload Playlist from Disk##ServerHost_ReloadPlaylist", ImVec2(ImGui::GetWindowSize().x, 32)))
{
addr_downloadPlaylists_Callback();
GameGlobals::InitPlaylist(); // Re-Init playlist.
}
}
}
void CCompanion::SettingsSection()

78
r5dev/src/gameclasses.cpp
View File

@ -2,8 +2,26 @@
#include "gameclasses.h"
#include "id3dx.h"
// Need this for a re-factor later.
// Interface* interfaces = *reinterpret_cast<Interface**>(0x167F4FA48);
// for (Interface* current = interfaces; current; current = reinterpret_cast<Interface*>(current->NextInterfacePtr))
// {
// printf("%s: %p\n", current->InterfaceName, current->InterfacePtr);
// }
namespace GameGlobals
{
bool IsInitialized = false;
CHostState* HostState = nullptr;
CInputSystem* InputSystem = nullptr;
CCVar* Cvar = nullptr;
CKeyValuesSystem* KeyValuesSystem = nullptr;
KeyValues** PlaylistKeyValues = nullptr;
std::vector<std::string> allPlaylists = { "none" };
namespace CustomConVar
{
void CGameConsole_Callback(void* cmd)
@ -55,12 +73,7 @@ namespace GameGlobals
}
}
bool IsInitialized = false;
CHostState* HostState = nullptr;
CInputSystem* InputSystem = nullptr;
CCVar* Cvar = nullptr;
void EmptyHostNames()
void NullHostNames()
{
const char* hostnameArray[] =
{
@ -95,17 +108,45 @@ namespace GameGlobals
HostState = reinterpret_cast<CHostState*>(0x141736120); // Get CHostState from memory.
InputSystem = *reinterpret_cast<CInputSystem**>(0x14D40B380); // Get IInputSystem from memory.
Cvar = *reinterpret_cast<CCVar**>(0x14D40B348); // Get CCVar from memory.
// Interface* interfaces = *reinterpret_cast<Interface**>(0x167F4FA48);
KeyValuesSystem = reinterpret_cast<CKeyValuesSystem*>(0x141F105C0); // Get CKeyValuesSystem from memory.
PlaylistKeyValues = reinterpret_cast<KeyValues**>(0x16705B980); // Get the KeyValue for the playlist file.
// for (Interface* current = interfaces; current; current = reinterpret_cast<Interface*>(current->NextInterfacePtr))
// {
// printf("%s: %p\n", current->InterfaceName, current->InterfacePtr);
// }
NullHostNames(); // Null all hostnames.
InitConVars(); // Initialize our custom ConVars.
std::thread t1(InitPlaylist); // Start thread to grab playlists.
t1.detach(); // Detach thread from current one.
IsInitialized = true;
}
void InitPlaylist()
{
while (true)
{
if ((*PlaylistKeyValues))
{
KeyValues* playlists = (*PlaylistKeyValues)->FindKey("Playlists", false); // Find playlists key.
if (playlists)
{
allPlaylists.clear();
for (KeyValues* dat = playlists->m_pSub; dat != nullptr; dat = dat->m_pPeer) // Parse through all sub keys.
{
allPlaylists.push_back(dat->GetName()); // Get all playlist names.
}
break; // Break if playlist got filled.
}
std::this_thread::sleep_for(std::chrono::milliseconds(50));
}
std::this_thread::sleep_for(std::chrono::milliseconds(50));
}
}
void InitConVars()
{
ConVar* CGameConsoleConVar = CreateCustomConVar("cgameconsole", "0", 0, "Opens the R5 Reloaded Console", false, 0.f, false, 0.f, CustomConVar::CGameConsole_Callback, nullptr);
ConVar* CCompanionConVar = CreateCustomConVar("ccompanion", "0", 0, "Opens the R5 Reloaded Server Browser", false, 0.f, false, 0.f, CustomConVar::CCompanion_Callback, nullptr);
EmptyHostNames();
IsInitialized = true;
}
ConVar* CreateCustomConVar(const char* name, const char* defaultValue, int flags, const char* helpString, bool bMin, float fMin, bool bMax, float fMax, void* callback, void* unk)
@ -126,4 +167,13 @@ namespace GameGlobals
return allocatedConvar; // Return allocated ConVar.
}
}
}
#pragma region KeyValues
const char* KeyValues::GetName()
{
return GameGlobals::KeyValuesSystem->GetStringForSymbol(MAKE_3_BYTES_FROM_1_AND_2(m_iKeyNameCaseSensitive, m_iKeyNameCaseSensitive2));
}
#pragma endregion

1
r5dev/src/hooks/chlclient.cpp
View File

@ -20,6 +20,5 @@ void __fastcall Hooks::FrameStageNotify(CHLClient* rcx, ClientFrameStage_t curSt
default:
break;
}
originalFrameStageNotify(rcx, curStage);
}

3
r5dev/src/hooks/hooks.cpp
View File

@ -46,6 +46,7 @@ void Hooks::InstallHooks()
///////////////////////////////////////////////////////////////////////////////
// Hook Utility functions
MH_CreateHook(addr_MSG_EngineError, &Hooks::MSG_EngineError, reinterpret_cast<void**>(&originalMSG_EngineError));
MH_CreateHook(addr_LoadPlaylist, &Hooks::LoadPlaylist, reinterpret_cast<void**>(&originalLoadPlaylist));
///////////////////////////////////////////////////////////////////////////////
// Hook WinAPI
@ -98,6 +99,7 @@ void Hooks::InstallHooks()
///////////////////////////////////////////////////////////////////////////////
// Enabled Utility hooks
MH_EnableHook(addr_MSG_EngineError);
MH_EnableHook(addr_LoadPlaylist);
}
void Hooks::RemoveHooks()
@ -143,6 +145,7 @@ void Hooks::RemoveHooks()
///////////////////////////////////////////////////////////////////////////////
// Unhook Utility functions
MH_RemoveHook(addr_MSG_EngineError);
MH_RemoveHook(addr_LoadPlaylist);
///////////////////////////////////////////////////////////////////////////////
// Unhook CBaseFileSystem functions.

13
r5dev/src/hooks/loadplaylist.cpp Normal file
View File

@ -0,0 +1,13 @@
#include "pch.h"
#include "hooks.h"
namespace Hooks
{
LoadPlaylistFn originalLoadPlaylist = nullptr;
}
bool Hooks::LoadPlaylist(const char* playlist)
{
memset(addr_MapVPKCache, 0, 0x40); // Bye bye vpk cache, you only make us crash >:(.
return originalLoadPlaylist(playlist); // Parse playlist like normally..
}

2
r5dev/src/hooks/netchannel.cpp
View File

@ -8,6 +8,6 @@ namespace Hooks
void Hooks::NetChanShutdown(void* rcx, const char* reason, unsigned __int8 unk1, char unk2)
{
reinterpret_cast<void(*)()>(addr_downloadPlaylists_Callback)(); // Re-Load playlist from disk after getting dropped or disconnecting off a server.
addr_downloadPlaylists_Callback(); // Re-Load playlist from disk after getting dropped or disconnecting off a server.
originalNetChanShutDown(rcx, reason, unk1, unk2);
}

2
r5net/include/r5/serverlisting.h
View File

@ -6,7 +6,7 @@ struct ServerListing
std::string map;
std::string ip;
std::string port;
std::string gamemode;
std::string playlist;
std::string password;
std::string checksum;
std::string version;

2
r5net/src/r5net.cpp
View File

@ -84,7 +84,7 @@ bool R5Net::Client::PostServerHost(std::string& outMessage, std::string& outToke
reqBody["password"] = serverListing.password;
reqBody["remote_checksum"] = serverListing.checksum;
reqBody["version"] = GetVersionString();
reqBody["gamemode"] = serverListing.gamemode;
reqBody["gamemode"] = serverListing.playlist;
std::string reqBodyStr = reqBody.dump();