ConsoleCmd.cpp

Go to the documentation of this file.

/*
    This source file is part of Rigs of Rods
    Copyright 2005-2012 Pierre-Michel Ricordel
    Copyright 2007-2012 Thomas Fischer
    Copyright 2013-2020 Petr Ohlidal
 
    For more information, see http://www.rigsofrods.org/
 
    Rigs of Rods is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License version 3, as
    published by the Free Software Foundation.
 
    Rigs of Rods is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
    GNU General Public License for more details.
 
    You should have received a copy of the GNU General Public License
    along with Rigs of Rods. If not, see <http://www.gnu.org/licenses/>.
*/
 
#include "Application.h"
#include "Actor.h"
#include "ActorManager.h"
#include "CameraManager.h"
#include "Character.h"
#include "Console.h"
#include "GameContext.h"
#include "GfxScene.h"
#include "GUIManager.h"
#include "IGfxWater.h"
#include "Language.h"
#include "Network.h"
#include "OverlayWrapper.h"
#include "RoRnet.h"
#include "RoRVersion.h"
#include "ScriptEngine.h"
#include "Terrain.h"
#include "TerrainObjectManager.h"
#include "Utils.h"
 
#include <algorithm>
#include <Ogre.h>
#include <fmt/core.h>
 
 
using namespace RoR;
 
 
// -------------------------------------------------------------------------------------
// Builtin console commands.
 
 
class GravityCmd: public ConsoleCmd
{
public:
    GravityCmd(): ConsoleCmd("gravity", "[<number> or <constant>]", _L("Get or set terrain gravity. Constants: earth/moon/mars/jupiter.")) {}
 
    void Run(Ogre::StringVector const& args) override
    {
        if (!this->CheckAppState(AppState::SIMULATION))
            return;
 
        Str<200> reply;
        if (args.size() == 1)
        {
            reply << _L("Current gravity is: ") << App::GetGameContext()->GetTerrain()->getGravity();
        }
        else
        {
                 if (args[1] == "earth")    { App::GetGameContext()->GetTerrain()->setGravity(DEFAULT_GRAVITY);    }
            else if (args[1] == "moon")     { App::GetGameContext()->GetTerrain()->setGravity(-1.62f);             }
            else if (args[1] == "mars")     { App::GetGameContext()->GetTerrain()->setGravity(-3.711f);            }
            else if (args[1] == "jupiter")  { App::GetGameContext()->GetTerrain()->setGravity(-24.8f);             }
            else                            { App::GetGameContext()->GetTerrain()->setGravity(PARSEREAL(args[1])); }
 
            reply << _L("Gravity set to: ") << App::GetGameContext()->GetTerrain()->getGravity();
        }
 
        App::GetConsole()->putMessage(Console::CONSOLE_MSGTYPE_INFO, Console::CONSOLE_SYSTEM_REPLY, reply.ToCStr());
    }
    void Run(Ogre::StringVector const& args) override {…}
};
class GravityCmd: public ConsoleCmd {…};
 
class WaterlevelCmd: public ConsoleCmd
{
public:
    WaterlevelCmd(): ConsoleCmd("waterlevel", "[<number>]", _L("Get or set water level.")) {}
 
    void Run(Ogre::StringVector const& args) override
    {
        if (!this->CheckAppState(AppState::SIMULATION))
            return;
 
        Str<200> reply;
        Console::MessageType reply_type;
        reply << m_name << ": ";
        if (!App::GetGameContext()->GetTerrain()->getWater())
        {
            reply_type = Console::CONSOLE_SYSTEM_ERROR;
            reply << _L("This terrain does not have water.");
        }
        else
        {
            reply_type = Console::CONSOLE_SYSTEM_REPLY;
            if (args.size() > 1)
            {
                auto water = App::GetGameContext()->GetTerrain()->getWater();
                float height = (args[1] == "default") ? App::GetGameContext()->GetTerrain()->getWaterHeight() : PARSEREAL(args[1]);
                water->SetStaticWaterHeight(height);
            }
            reply << _L ("Water level set to: ") << App::GetGameContext()->GetTerrain()->getWater()->GetStaticWaterHeight();
        }
        App::GetConsole()->putMessage(Console::CONSOLE_MSGTYPE_INFO, reply_type, reply.ToCStr());
    }
    void Run(Ogre::StringVector const& args) override {…}
};
class WaterlevelCmd: public ConsoleCmd {…};
 
class TerrainheightCmd: public ConsoleCmd
{
public:
    TerrainheightCmd(): ConsoleCmd("terrainheight", "[]", _L("Get elevation of terrain at current position")) {}
 
    void Run(Ogre::StringVector const& args) override
    {
        if (!this->CheckAppState(AppState::SIMULATION))
            return;
 
        ROR_ASSERT(App::GetGameContext()->GetTerrain());
 
        Str<200> reply;
        reply << m_name << ": ";
        Console::MessageType reply_type = Console::CONSOLE_SYSTEM_REPLY;
        Ogre::Vector3 pos;
        ActorPtr const actor = App::GetGameContext()->GetPlayerActor();
        if (actor)
        {
            pos = actor->getPosition();
 
        }
        else
        {
            ROR_ASSERT(App::GetGameContext()->GetPlayerCharacter());
            pos = App::GetGameContext()->GetPlayerCharacter()->getPosition();
        }
        reply << _L("Terrain height at position: ")
              << "x: " << pos.x << " z: " << pos.z << " = "
              <<  App::GetGameContext()->GetTerrain()->getHeightAt(pos.x, pos.z);
        App::GetConsole()->putMessage(Console::CONSOLE_MSGTYPE_INFO, reply_type, reply.ToCStr());
    }
    void Run(Ogre::StringVector const& args) override {…}
};
class TerrainheightCmd: public ConsoleCmd {…};
 
class SpawnobjectCmd: public ConsoleCmd
{
public:
    SpawnobjectCmd(): ConsoleCmd("spawnobject", "<odef name>", _L("spawnobject  - spawn a object at the player position")) {}
 
    void Run(Ogre::StringVector const& args) override
    {
        if (!this->CheckAppState(AppState::SIMULATION))
            return;
 
        ROR_ASSERT(App::GetGameContext()->GetPlayerCharacter());
        ROR_ASSERT(App::GetGameContext()->GetTerrain());
 
        Str<200> reply;
        reply << m_name << ": ";
        Console::MessageType reply_type;
 
        try
        {
            if (args.size() == 1)
            {
                reply_type = Console::CONSOLE_SYSTEM_ERROR;
                reply << _L("Missing parameter: ") << m_usage;
            }
            else
            {
                Ogre::Vector3 pos = App::GetGameContext()->GetPlayerCharacter()->getPosition();
                if (App::GetGameContext()->GetTerrain()->getObjectManager()->LoadTerrainObject(args[1], pos, Ogre::Vector3::ZERO, "Console", ""))
                {
                    reply_type = Console::CONSOLE_SYSTEM_REPLY;
                    reply << _L("Spawned object at position: ") << "x: " << pos.x << " z: " << pos.z;
                }
                else
                {
                    reply_type = Console::CONSOLE_SYSTEM_ERROR;
                    reply << _L("Could not spawn object");
                }
            }
        }
        catch (std::exception& e)
        {
            reply_type = Console::CONSOLE_SYSTEM_ERROR;
            reply << e.what();
        }
        App::GetConsole()->putMessage(Console::CONSOLE_MSGTYPE_INFO, reply_type, reply.ToCStr());
    }
    void Run(Ogre::StringVector const& args) override {…}
};
class SpawnobjectCmd: public ConsoleCmd {…};
 
class LogCmd: public ConsoleCmd
{
public:
    LogCmd(): ConsoleCmd("log", "[]", _L("log - toggles log output on the console")) {}
 
    void Run(Ogre::StringVector const& args) override
    {
        Str<200> reply;
        reply << m_name << ": ";
        Console::MessageType reply_type = Console::CONSOLE_SYSTEM_REPLY;
 
        // switch to console logging
        bool now_logging = !App::diag_log_console_echo->getBool();
        const char* msg = (now_logging) ? " logging to console enabled" : " logging to console disabled";
        reply << _L(msg);
        App::diag_log_console_echo->setVal(now_logging);
 
        App::GetConsole()->putMessage(Console::CONSOLE_MSGTYPE_INFO, reply_type, reply.ToCStr());
    }
    void Run(Ogre::StringVector const& args) override {…}
};
class LogCmd: public ConsoleCmd {…};
 
class VerCmd: public ConsoleCmd
{
public:
    VerCmd(): ConsoleCmd("ver", "[]", _L("ver - shows the Rigs of Rods version")) {}
 
    void Run(Ogre::StringVector const& args) override
    {
        Str<200> reply;
        reply << m_name << ": ";
        Console::MessageType reply_type = Console::CONSOLE_SYSTEM_REPLY;
 
        reply << "Rigs of Rods " << ROR_VERSION_STRING 
              << " (" << RORNET_VERSION << ") [" 
              << ROR_BUILD_DATE << ", " << ROR_BUILD_TIME << "]";
 
        App::GetConsole()->putMessage(Console::CONSOLE_MSGTYPE_INFO, reply_type, reply.ToCStr());
    }
    void Run(Ogre::StringVector const& args) override {…}
};
class VerCmd: public ConsoleCmd {…};
 
class PosCmd: public ConsoleCmd
{
public:
    PosCmd(): ConsoleCmd("pos", "[]", _L("pos - outputs the current position")) {}
 
    void Run(Ogre::StringVector const& args) override
    {
        if (!this->CheckAppState(AppState::SIMULATION))
            return;
 
        Str<200> reply;
        reply << m_name << ": ";
        Console::MessageType reply_type = Console::CONSOLE_SYSTEM_REPLY;
 
        ActorPtr b = App::GetGameContext()->GetPlayerActor();
        if (!b && App::GetGameContext()->GetPlayerCharacter())
        {
            Ogre::Vector3 pos = App::GetGameContext()->GetPlayerCharacter()->getPosition();
            reply << _L("Character position: ") << "x: " << pos.x << " y: " << pos.y << " z: " << pos.z;
        }
        else if (b)
        {
            Ogre::Vector3 pos = b->getPosition();
            reply << _L("Vehicle position: ") << "x: " << pos.x << " y: " << pos.y << " z: " << pos.z;
        }
 
        App::GetConsole()->putMessage(Console::CONSOLE_MSGTYPE_INFO, reply_type, reply.ToCStr());
    }
    void Run(Ogre::StringVector const& args) override {…}
};
class PosCmd: public ConsoleCmd {…};
 
class GotoCmd: public ConsoleCmd
{
public:
    GotoCmd(): ConsoleCmd("goto", "<x> <y> <z>", _L("goto <x> <y> <z> - jumps to the mentioned position")) {}
 
    void Run(Ogre::StringVector const& args) override
    {
        if (!this->CheckAppState(AppState::SIMULATION))
            return;
 
        Str<200> reply;
        reply << m_name << ": ";
        Console::MessageType reply_type;
 
        if (args.size() != 4)
        {
            reply_type = Console::CONSOLE_HELP;
            reply <<_L("usage: goto x y z");
        }
        else
        {
            reply_type = Console::CONSOLE_SYSTEM_REPLY;
            Ogre::Vector3 pos(PARSEREAL(args[1]), PARSEREAL(args[2]), PARSEREAL(args[3]));
 
            ActorPtr b = App::GetGameContext()->GetPlayerActor();
            if (!b && App::GetGameContext()->GetPlayerCharacter())
            {
                App::GetGameContext()->GetPlayerCharacter()->setPosition(pos);
                reply << _L("Character position set to: ") << "x: " << pos.x << " y: " << pos.y << " z: " << pos.z;
            }
            else if (b)
            {
                b->resetPosition(pos, false);
                TRIGGER_EVENT_ASYNC(SE_TRUCK_TELEPORT, b->ar_instance_id);
                reply << _L("Vehicle position set to: ") << "x: " << pos.x << " y: " << pos.y << " z: " << pos.z;
            }
        }
 
        App::GetConsole()->putMessage(Console::CONSOLE_MSGTYPE_INFO, reply_type, reply.ToCStr());
    }
    void Run(Ogre::StringVector const& args) override {…}
};
class GotoCmd: public ConsoleCmd {…};
 
 
class AsCmd: public ConsoleCmd
{
public:
    AsCmd(): ConsoleCmd("as", "<code>", _L("Run AngelScript code snippet")) {}
 
    void Run(Ogre::StringVector const& args) override
    {
        if (!this->CheckAppState(AppState::SIMULATION))
            return;
 
        Str<200> reply;
        reply << m_name << ": ";
        Console::MessageType reply_type;
 
#ifdef USE_ANGELSCRIPT
        // we want to notify any running scripts that we might change something (prevent cheating)
        App::GetScriptEngine()->triggerEvent(SE_ANGELSCRIPT_MANIPULATIONS, ASMANIP_CONSOLE_SNIPPET_EXECUTED);
 
        // Re-compose the code snippet
        Str<1000> code;
        for (int i = 1; i < args.size(); ++i)
        {
            code << " " << args[i];
        }
 
        // Echo the code back to console user.
        reply_type = Console::CONSOLE_SYSTEM_REPLY;
        reply << " >>> " << code.ToCStr();
        App::GetConsole()->putMessage(Console::CONSOLE_MSGTYPE_INFO, reply_type, reply.ToCStr());
 
        // Run the code - will output script messages/AngelScript errors.
        App::GetScriptEngine()->executeString(code.ToCStr());
#else
        reply_type = Console::CONSOLE_SYSTEM_ERROR;
        reply << _L("Scripting disabled in this build");
        App::GetConsole()->putMessage(Console::CONSOLE_MSGTYPE_INFO, reply_type, reply.ToCStr());
#endif
    }
    void Run(Ogre::StringVector const& args) override {…}
};
class AsCmd: public ConsoleCmd {…};
 
class SpeedOfSoundCmd: public ConsoleCmd
{
public:
    SpeedOfSoundCmd(): ConsoleCmd("speedofsound", "[]", _L("speedofsound - outputs the current speed of sound")) {}
 
    void Run(Ogre::StringVector const& args) override
    {
        if (!this->CheckAppState(AppState::SIMULATION))
            return;
 
        Str<200> reply;
        reply << m_name << ": ";
        Console::MessageType reply_type = Console::CONSOLE_SYSTEM_REPLY;
 
        SoundManager* sound_manager = App::GetSoundScriptManager()->getSoundManager();
        if (sound_manager == nullptr)
        {
            reply << _L("unable to get sound manager");
        }
        else
        {
            reply << _L("Current speed of sound: ") << sound_manager->GetSpeedOfSound();
        }
 
        App::GetConsole()->putMessage(Console::CONSOLE_MSGTYPE_INFO, reply_type, reply.ToCStr());
    }
    void Run(Ogre::StringVector const& args) override {…}
};
class SpeedOfSoundCmd: public ConsoleCmd {…};
 
class QuitCmd: public ConsoleCmd
{
public:
    QuitCmd(): ConsoleCmd("quit", "[]", _L("quit - exit Rigs of Rods")) {}
 
    void Run(Ogre::StringVector const& args) override
    {
        App::GetGameContext()->PushMessage(Message(MSG_APP_SHUTDOWN_REQUESTED));
    }
    void Run(Ogre::StringVector const& args) override {…}
};
class QuitCmd: public ConsoleCmd {…};
 
class HelpCmd: public ConsoleCmd
{
public:
    HelpCmd(): ConsoleCmd("help", "[]", _L("help - information on commands (this)")) {}
 
    void Run(Ogre::StringVector const& args) override
    {
        App::GetConsole()->putMessage(Console::CONSOLE_MSGTYPE_INFO,
            Console::CONSOLE_TITLE, _L("Available commands:"));
 
        Str<500> line;
        for (auto& cmd_pair: App::GetConsole()->getCommands())
        {
            line.Clear() << cmd_pair.second->getName() << " "
                         << cmd_pair.second->GetUsage() << " - " << cmd_pair.second->GetDoc();
 
            App::GetConsole()->putMessage(Console::CONSOLE_MSGTYPE_INFO,
                Console::CONSOLE_HELP, line.ToCStr());
        }
 
        App::GetConsole()->putMessage(Console::CONSOLE_MSGTYPE_INFO,
            Console::CONSOLE_TITLE, _L("Tips:"));
        App::GetConsole()->putMessage(Console::CONSOLE_MSGTYPE_INFO,
            Console::CONSOLE_HELP, _L("- use Arrow Up/Down Keys in the InputBox to reuse old messages"));
    }
    void Run(Ogre::StringVector const& args) override {…}
};
class HelpCmd: public ConsoleCmd {…};
 
class LoadScriptCmd : public ConsoleCmd
{
public:
    LoadScriptCmd() : ConsoleCmd("loadscript", "[filename]", _L("Runs an AngelScript file")) {}
 
    void Run(Ogre::StringVector const& args) override
    {
        Str<200> reply;
        reply << m_name << ": ";
        Console::MessageType reply_type;
 
#ifdef USE_ANGELSCRIPT
        if (args.size() == 1)
        {
            reply_type = Console::CONSOLE_SYSTEM_ERROR;
            reply << _L("Missing parameter: ") << m_usage;
        }
        else
        {
            ScriptUnitID_t id = App::GetScriptEngine()->loadScript(args[1], ScriptCategory::CUSTOM);
            if (id == SCRIPTUNITID_INVALID)
            {
                reply_type = Console::CONSOLE_SYSTEM_ERROR;
                reply << _L("Failed to load script. See 'Angelscript.log' or use console command `log` and retry.");
            }
            else
            {
                reply_type = Console::CONSOLE_SYSTEM_REPLY;
                reply << fmt::format(_L("Script '{}' running with ID '{}'"), args[1], id);
            }
        }
#else
        reply_type = Console::CONSOLE_SYSTEM_ERROR;
        reply << _L("Scripting disabled in this build");
#endif
        
        App::GetConsole()->putMessage(Console::CONSOLE_MSGTYPE_INFO, reply_type, reply.ToCStr());
    }
    void Run(Ogre::StringVector const& args) override {…}
};
class LoadScriptCmd : public ConsoleCmd {…};
 
// -------------------------------------------------------------------------------------
// CVar (builtin) console commmands
 
class VarsCmd: public ConsoleCmd
{
public:
    VarsCmd(): ConsoleCmd("vars", "[<expr> ...]", _L("Print cvars with one of <expr> in name")) {}
 
    void Run(Ogre::StringVector const& args) override
    {
        for (auto& pair: App::GetConsole()->getCVars())
        {
            bool match = args.size() == 1;
            for (size_t i = 1; i < args.size(); ++i)
            {
                if (pair.first.find(args[i]) != std::string::npos)
                {
                    match = true;
                    break;
                }
            }
 
            if (match)
            {
                Str<200> reply;
                reply << "vars: " << pair.first << "=" << pair.second->getStr() << " (";
 
                if      (pair.second->hasFlag(CVAR_TYPE_BOOL))  { reply << "bool"; }
                else if (pair.second->hasFlag(CVAR_TYPE_INT))   { reply << "int"; }
                else if (pair.second->hasFlag(CVAR_TYPE_FLOAT)) { reply << "float"; }
                else                                            { reply << "string"; }
 
                if (pair.second->hasFlag(CVAR_ARCHIVE)) { reply << ", archive"; }
                if (pair.second->hasFlag(CVAR_NO_LOG))  { reply << ", no log"; }
 
                reply << ")";
                App::GetConsole()->putMessage(Console::CONSOLE_MSGTYPE_INFO, Console::CONSOLE_SYSTEM_REPLY, reply.ToCStr());
            }
        }
    }
    void Run(Ogre::StringVector const& args) override {…}
};
class VarsCmd: public ConsoleCmd {…};
 
class SetCmd: public ConsoleCmd
{
public:
    SetCmd(): ConsoleCmd("set", "<cvar> [<flags>] [<value>]", _L("Get or set value of existing CVar")) {}
 
    void Run(Ogre::StringVector const& args) override
    {
        Str<200> reply;
        reply << m_name << ": ";
        Console::MessageType reply_type = Console::CONSOLE_SYSTEM_ERROR;
 
        if (args.size() == 1)
        {
            reply_type = Console::CONSOLE_HELP;
            reply << this->GetUsage() << " - " << this->GetDoc();
        }
        else
        {
            CVar* cvar = App::GetConsole()->cVarFind(args[1]);
            if (cvar)
            {
                if (args.size() > 2)
                {
                    App::GetConsole()->cVarAssign(cvar, args[2]);
                }
                reply_type = Console::CONSOLE_SYSTEM_REPLY;
                reply << cvar->getName() << " = " << cvar->getStr();
            }
            else
            {
                reply_type = Console::CONSOLE_SYSTEM_ERROR;
                reply << _L("No such CVar: ") << args[1];
            }
        }
 
        App::GetConsole()->putMessage(Console::CONSOLE_MSGTYPE_INFO, reply_type, reply.ToCStr());
    }
    void Run(Ogre::StringVector const& args) override {…}
};
class SetCmd: public ConsoleCmd {…};
 
class SetCVarCmd: public ConsoleCmd // Generic
{
public:
    SetCVarCmd(std::string const& name, std::string const& usage, std::string const& doc, int flag):
        ConsoleCmd(name, usage, doc), m_cvar_flag(flag)
    {}
    SetCVarCmd(std::string const& name, std::string const& usage, std::string const& doc, int flag): {…}
 
    void Run(Ogre::StringVector const& args) override
    {
        Str<200> reply;
        reply << m_name << ": ";
        Console::MessageType reply_type;
 
        if (args.size() == 1)
        {
            reply_type = Console::CONSOLE_HELP;
            reply << this->GetUsage() << " - " << this->GetDoc() << "Switches: --autoapply/--allowstore/--autostore";
        }
        else
        {
            int flags = m_cvar_flag;
            size_t i;
            for (i = 1; i < args.size(); ++i)
            {
                     if (args[i] == "--archive")  { flags |= CVAR_ARCHIVE; }
                else break; // Exit loop on first non-switch arg!
            }
 
            if (i == args.size()) // Only switches but no cvar?
            {
                reply_type = Console::CONSOLE_HELP;
                reply << this->GetUsage() << " - " << this->GetDoc() << "Switches: --archive";
            }
            else
            {
                CVar* cvar = App::GetConsole()->cVarGet(args[i], flags);
                if (args.size() > (i+1))
                {
                    App::GetConsole()->cVarAssign(cvar, args[i+1]);
                }
                reply_type = Console::CONSOLE_SYSTEM_REPLY;
                reply << cvar->getName() << " = " << cvar->getStr();
            }
        }
 
        App::GetConsole()->putMessage(Console::CONSOLE_MSGTYPE_INFO, reply_type, reply.ToCStr());
    }
    void Run(Ogre::StringVector const& args) override {…}
private:
    int m_cvar_flag;
};
class SetCVarCmd: public ConsoleCmd // Generic {…};
 
class SetstringCmd: public SetCVarCmd
{
public:
    SetstringCmd(): SetCVarCmd("setstring", "<cvar> [<value>]", _L("Set or create string CVar"), /*flag=*/0) {}
};
class SetstringCmd: public SetCVarCmd {…};
 
class SetboolCmd: public SetCVarCmd
{
public:
    SetboolCmd(): SetCVarCmd("setbool", "<cvar> [<value>]", _L("Set or create boolean CVar"), CVAR_TYPE_BOOL) {}
};
class SetboolCmd: public SetCVarCmd {…};
 
class SetintCmd: public SetCVarCmd
{
public:
    SetintCmd(): SetCVarCmd("setint", "<cvar> [<value>]", _L("Set or create integer CVar"), CVAR_TYPE_INT) {}
};
class SetintCmd: public SetCVarCmd {…};
 
class SetfloatCmd: public SetCVarCmd
{
public:
    SetfloatCmd(): SetCVarCmd("setfloat", "<cvar> [<value>]", _L("Set or create real-number CVar"), CVAR_TYPE_FLOAT) {}
};
class SetfloatCmd: public SetCVarCmd {…};
 
class ClearCmd: public ConsoleCmd
{
public:
    ClearCmd(): ConsoleCmd("clear", "[<type>]", _L("Clear console history. Types: all/info/net/chat/terrn/actor/script")) {}
 
    void Run(Ogre::StringVector const& args) override
    {
        if (args.size() < 2 || args[1] == "all")
        {
            Console::MsgLockGuard lock(App::GetConsole());
            lock.messages.clear();
        }
        else
        {
            // Create a predicate function
            std::function<bool(Console::Message const& m)> filter_fn;
            if (args[1] == "chat")
            {
                filter_fn = [](Console::Message const& m){ return m.cm_type == Console::CONSOLE_SYSTEM_NETCHAT; };
            }
            else if (args[1] == "net") // Chat and user notifications
            {
                filter_fn = [](Console::Message const& m){ return m.cm_net_userid != 0; };
            }
            else
            {
                Console::MessageArea area;
                bool valid = false;
                     if (args[1] == "info")   { area = Console::CONSOLE_MSGTYPE_INFO;   valid = true; }
                else if (args[1] == "terrn")  { area = Console::CONSOLE_MSGTYPE_TERRN;  valid = true; }
                else if (args[1] == "actor")  { area = Console::CONSOLE_MSGTYPE_ACTOR;  valid = true; }
                else if (args[1] == "script") { area = Console::CONSOLE_MSGTYPE_SCRIPT; valid = true; }
 
                if (valid)
                {
                    filter_fn = [area](Console::Message const& m) { return m.cm_area == area; };
                }
                else
                {
                    App::GetConsole()->putMessage(Console::CONSOLE_MSGTYPE_INFO, Console::CONSOLE_SYSTEM_ERROR,
                        fmt::format(_L("No such message type: {}"), args[1]));
                }
            }
 
            Console::MsgLockGuard lock(App::GetConsole());
            // Shove unwanted entries to the end
            auto erase_begin = std::remove_if(lock.messages.begin(), lock.messages.end(), filter_fn);
            // Erase unwanted
            lock.messages.erase(erase_begin, lock.messages.end());
        }
    }
    void Run(Ogre::StringVector const& args) override {…}
};
class ClearCmd: public ConsoleCmd {…};
 
 
// -------------------------------------------------------------------------------------
// Console integration
 
void Console::regBuiltinCommands()
{
    ConsoleCmd* cmd = nullptr;
 
    // Classics
    cmd = new GravityCmd();               m_commands.insert(std::make_pair(cmd->getName(), cmd));
    cmd = new WaterlevelCmd();            m_commands.insert(std::make_pair(cmd->getName(), cmd));
    cmd = new TerrainheightCmd();         m_commands.insert(std::make_pair(cmd->getName(), cmd));
    cmd = new SpawnobjectCmd();           m_commands.insert(std::make_pair(cmd->getName(), cmd));
    cmd = new LogCmd();                   m_commands.insert(std::make_pair(cmd->getName(), cmd));
    cmd = new VerCmd();                   m_commands.insert(std::make_pair(cmd->getName(), cmd));
    cmd = new PosCmd();                   m_commands.insert(std::make_pair(cmd->getName(), cmd));
    cmd = new GotoCmd();                  m_commands.insert(std::make_pair(cmd->getName(), cmd));
    cmd = new AsCmd();                    m_commands.insert(std::make_pair(cmd->getName(), cmd));
    cmd = new QuitCmd();                  m_commands.insert(std::make_pair(cmd->getName(), cmd));
    cmd = new HelpCmd();                  m_commands.insert(std::make_pair(cmd->getName(), cmd));
    // Additions
    cmd = new ClearCmd();                 m_commands.insert(std::make_pair(cmd->getName(), cmd));
    cmd = new LoadScriptCmd();            m_commands.insert(std::make_pair(cmd->getName(), cmd));
    cmd = new SpeedOfSoundCmd();          m_commands.insert(std::make_pair(cmd->getName(), cmd));
    // CVars
    cmd = new SetCmd();                   m_commands.insert(std::make_pair(cmd->getName(), cmd));
    cmd = new SetstringCmd();             m_commands.insert(std::make_pair(cmd->getName(), cmd));
    cmd = new SetboolCmd();               m_commands.insert(std::make_pair(cmd->getName(), cmd));
    cmd = new SetintCmd();                m_commands.insert(std::make_pair(cmd->getName(), cmd));
    cmd = new SetfloatCmd();              m_commands.insert(std::make_pair(cmd->getName(), cmd));
    cmd = new VarsCmd();                  m_commands.insert(std::make_pair(cmd->getName(), cmd));
}
void Console::regBuiltinCommands() {…}
 
void Console::doCommand(std::string msg)
{
    if (msg[0] == '/' || msg[0] == '\\')
    {
        App::GetConsole()->putMessage(Console::CONSOLE_MSGTYPE_INFO, Console::CONSOLE_HELP, 
            _L("Using slashes before commands are deprecated, you can now type command without any slashes"));
        msg.erase(msg.begin());
    }
 
    if (msg[0] == '!')
    {
        // Server commands - pass through to multiplayer chat
        App::GetNetwork()->BroadcastChatMsg(msg.c_str());
        return;
    }
 
    Ogre::StringVector args = Ogre::StringUtil::split(msg, " ");
 
    auto found = m_commands.find(args[0]);
    if (found != m_commands.end())
    {
        found->second->Run(args);
        return;
    }
 
    CVar* cvar = this->cVarFind(args[0]);
    if (cvar)
    {
        Str<200> reply;
        reply << cvar->getName() << " = " << cvar->getStr();
        App::GetConsole()->putMessage(Console::CONSOLE_MSGTYPE_INFO, Console::CONSOLE_SYSTEM_REPLY, reply.ToCStr());
        return;
    }
 
    Str<200> reply;
    reply << _L("unknown command: ") << msg;
    App::GetConsole()->putMessage(Console::CONSOLE_MSGTYPE_INFO, Console::CONSOLE_SYSTEM_ERROR, reply.ToCStr());
}
void Console::doCommand(std::string msg) {…}
 
// -------------------------------------------------------------------------------------
// Helpers
 
bool ConsoleCmd::CheckAppState(AppState state)
{
    if (App::app_state->getEnum<AppState>() == state)
        return true;
 
    Str<200> reply;
    reply << m_name << ": ";
    if (state == AppState::SIMULATION)
    {
        reply << _L("Only allowed when simulation is running");
    }
    else
    {
        reply << _L("Not allowed in current app state");
    }
    App::GetConsole()->putMessage(Console::CONSOLE_MSGTYPE_INFO, Console::CONSOLE_SYSTEM_ERROR, reply.ToCStr());
    return false;
}
bool ConsoleCmd::CheckAppState(AppState state) {…}
 
     // Currently unused: _L("Please enter a correct value. ")