minecraftconsoles-lce

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name: minecraftconsoles-lce description: Expert skill for building, running, and extending MinecraftConsoles (Minecraft Legacy Console Edition) — a C++ multi-platform reimplementation with dedicated server, LAN multiplayer, and modding support. triggers:

• "help me build MinecraftConsoles"
• "how do I run the Minecraft Legacy Console Edition project"
• "set up dedicated server for MinecraftConsoles"
• "add keyboard mouse controls to LCE"
• "configure server.properties for MinecraftConsoles"
• "compile MinecraftConsoles with CMake or Visual Studio"
• "how do I mod or contribute to MinecraftConsoles"
• "fix build errors in MinecraftConsoles C++ project"

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MinecraftConsoles (Legacy Console Edition) Skill

Skill by ara.so — Daily 2026 Skills collection.

What This Project Is

MinecraftConsoles is a C++ reimplementation/continuation of Minecraft Legacy Console Edition v1.6.0560.0 (TU19), targeting modern Windows (and unofficially macOS/Linux via Wine). Goals include:

• Multi-platform base for modding, backports, and LCE development
• Quality desktop experience with keyboard/mouse and controller support
• LAN multiplayer and dedicated server software
• Splitscreen multiplayer support

Repository: smartcmd/MinecraftConsoles
Primary language: C++
Build system: Visual Studio 2022 solution (.sln) + CMake support

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Quick Start

Prerequisites

• Windows (primary supported platform)
• Visual Studio 2022 with C++ desktop workload
• Git

Clone

git clone https://github.com/smartcmd/MinecraftConsoles.git
cd MinecraftConsoles

Build with Visual Studio

1. Open MinecraftConsoles.sln in Visual Studio 2022
2. Set Startup Project to Minecraft.Client
3. Set configuration to Debug (or Release), platform to Windows64
4. Press F5 or Ctrl+F5 to build and run

Build with CMake (Windows x64)

# Configure
cmake -S . -B build -G "Visual Studio 17 2022" -A x64

# Build the client
cmake --build build --config Debug --target MinecraftClient

# Build the dedicated server
cmake --build build --config Debug --target MinecraftServer

See COMPILE.md in the repo for additional platform-specific notes.

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Running the Client

Nightly Build (No Compile Needed)

Download the .zip from the Nightly Release, extract, and run Minecraft.Client.exe.

Setting Your Username

Create username.txt in the same directory as the executable:

Steve

Or use a launch argument:

Minecraft.Client.exe -name Steve
Minecraft.Client.exe -name Steve -fullscreen

Client Launch Arguments

Argument	Description
-name <username>	Override in-game username
-fullscreen	Launch in fullscreen mode

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Keyboard & Mouse Controls

Action	Key/Button
Move	W A S D
Jump / Fly Up	Space
Sneak / Fly Down	Shift (hold)
Sprint	Ctrl (hold) or double-tap W
Inventory	E
Chat	T
Drop Item	Q
Crafting	C (tabs: Q / E)
Attack / Destroy	Left Click
Use / Place	Right Click
Select hotbar slot	1–9 or Mouse Wheel
Pause	Esc
Fullscreen	F11
Toggle HUD	F1
Toggle Debug Info	F3
Debug Overlay	F4
Toggle Debug Console	F6
Toggle FPS/TPS view	F5
Player list / Host Options	Tab
Accept tutorial hint	Enter
Decline tutorial hint	B

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LAN Multiplayer

LAN multiplayer works automatically on the Windows build:

• Hosting a world auto-advertises it on the local network
• Other players discover sessions via Join Game menu
• TCP port: 25565 (game connections)
• UDP port: 25566 (LAN discovery)
• Use the Add Server button to connect to known IPs
• Username changes are safe — keep uid.dat to preserve your data across renames
• Splitscreen players can join LAN/multiplayer sessions

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Dedicated Server

Download Nightly Server Build

Nightly Dedicated Server

Run Directly (Windows)

Minecraft.Server.exe -name MyServer -port 25565 -ip 0.0.0.0 -maxplayers 8 -loglevel info
Minecraft.Server.exe -seed 123456789

Server CLI Arguments

Argument	Description
-port <1-65535>	Override server-port
-ip <addr>	Override server-ip (bind address)
-bind <addr>	Alias of -ip
-name <name>	Override server-name (max 16 chars)
-maxplayers <1-8>	Override max-players
-seed <int64>	Override level-seed
-loglevel <level>	debug, info, warn, error
-help / --help / -h	Print usage and exit

server.properties Configuration

Located in the same directory as Minecraft.Server.exe. Auto-generated with defaults if missing.

server-name=DedicatedServer
server-port=25565
server-ip=0.0.0.0
max-players=8
level-name=world
level-id=world
level-seed=
world-size=classic
log-level=info
white-list=false
lan-advertise=false
autosave-interval=60

Key property notes:

Key	Values	Default	Notes
server-port	1–65535	25565	TCP listen port
server-ip	string	0.0.0.0	Bind address
server-name	string	DedicatedServer	Max 16 chars
max-players	1–8	8	Player slots
level-seed	int64 or empty	empty	Empty = random
world-size	classic|small|medium|large	classic	New world size
log-level	debug|info|warn|error	info	Verbosity
autosave-interval	5–3600	60	Seconds between autosaves
white-list	true/false	false	Enable whitelist
lan-advertise	true/false	false	LAN advertisement

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Dedicated Server in Docker (Linux/Wine)

Recommended: Pull from GHCR (No Local Build)

# Start (pulls latest image automatically)
./start-dedicated-server.sh

# Start without pulling
./start-dedicated-server.sh --no-pull

# Equivalent manual command
docker compose -f docker-compose.dedicated-server.ghcr.yml up -d

Local Build Mode (Optional)

Requires a locally compiled Minecraft.Server.exe:

docker compose -f docker-compose.dedicated-server.yml up -d --build

Docker Persistent Volumes

Host Path	Container Path	Purpose
./server-data/server.properties	/srv/mc/server.properties	Server config
./server-data/GameHDD	/srv/mc/Windows64/GameHDD	World save data

Docker Environment Variables

Variable	Default	Description
XVFB_DISPLAY	:99	Virtual display number
XVFB_SCREEN	64x64x16	Virtual screen size (tiny, Wine needs it)

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Project Structure (Key Areas)

MinecraftConsoles/
├── MinecraftConsoles.sln       # Visual Studio solution
├── CMakeLists.txt              # CMake build definition
├── COMPILE.md                  # Detailed compile instructions
├── CONTRIBUTING.md             # Contributor guide and project goals
├── docker-compose.dedicated-server.ghcr.yml  # Docker (GHCR image)
├── docker-compose.dedicated-server.yml       # Docker (local build)
├── start-dedicated-server.sh   # Quick-start script
├── server-data/
│   ├── server.properties       # Server config (auto-generated)
│   └── GameHDD/                # World save data
└── .github/
    └── banner.png

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Common C++ Patterns in This Codebase

Adding a New Key Binding (Keyboard Input)

The project added keyboard/mouse support on top of the original controller-only code. When extending input:

// Typical pattern for checking key state in the input handler
// Find the keyboard input processing file and add your key check:

bool isKeyPressed(int virtualKey) {
    return (GetAsyncKeyState(virtualKey) & 0x8000) != 0;
}

// Example: adding a new toggle key
if (isKeyPressed(VK_F7)) {
    // toggle your feature
    myFeatureEnabled = !myFeatureEnabled;
}

Registering a Launch Argument

Follow the existing -name / -fullscreen pattern:

// In the argument parsing section (typically in main or init):
for (int i = 1; i < argc; i++) {
    std::string arg = argv[i];

    if (arg == "-name" && i + 1 < argc) {
        username = argv[++i];
    }
    else if (arg == "-fullscreen") {
        launchFullscreen = true;
    }
    // Add your argument:
    else if (arg == "-myoption" && i + 1 < argc) {
        myOption = argv[++i];
    }
}

Reading server.properties

#include <fstream>
#include <sstream>
#include <map>
#include <string>

std::map<std::string, std::string> loadServerProperties(const std::string& path) {
    std::map<std::string, std::string> props;
    std::ifstream file(path);
    std::string line;

    while (std::getline(file, line)) {
        if (line.empty() || line[0] == '#') continue;
        auto eq = line.find('=');
        if (eq == std::string::npos) continue;
        std::string key = line.substr(0, eq);
        std::string val = line.substr(eq + 1);
        props[key] = val;
    }
    return props;
}

// Usage:
auto props = loadServerProperties("server.properties");
int port = std::stoi(props.count("server-port") ? props["server-port"] : "25565");
std::string serverName = props.count("server-name") ? props["server-name"] : "DedicatedServer";

Writing server.properties (Normalize / Auto-generate)

void writeServerProperties(const std::string& path,
                            const std::map<std::string, std::string>& props) {
    std::ofstream file(path);
    for (auto& [key, val] : props) {
        file << key << "=" << val << "\n";
    }
}

// Normalize level-id from level-name
std::string normalizeLevelId(const std::string& levelName) {
    std::string id = levelName;
    // Remove unsafe characters, lowercase, replace spaces with underscores
    for (char& c : id) {
        if (!std::isalnum(c) && c != '_' && c != '-') c = '_';
    }
    return id;
}

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Troubleshooting

Build Fails: Missing Windows SDK

• Open Visual Studio Installer → Modify → add Windows 10/11 SDK
• Make sure the platform is set to Windows64 (not x86)

CMake Can't Find Visual Studio Generator

# Confirm VS 2022 is installed, then:
cmake -S . -B build -G "Visual Studio 17 2022" -A x64
# "17 2022" is the generator name for VS 2022

Game Launches But No Display / Crashes Immediately

• Ensure you're running from the directory containing all game assets
• Check that your GPU drivers support the required DirectX version
• Try Debug build for more verbose error output

Server Not Visible on LAN

• Check firewall rules allow TCP 25565 and UDP 25566
• Verify lan-advertise=true is NOT required for dedicated servers (it's for LAN broadcast; clients discover via Join Game)
• Ensure both client and server are on the same subnet

Docker Server: Wine Can't Display

• The XVFB_DISPLAY env var must match what Wine uses
• The container uses a minimal 64x64x16 virtual framebuffer — don't change this unless you have a reason

Username Reset / UID Issues

• Do not delete uid.dat — it stores your unique player ID
• If you rename yourself via -name or username.txt, your existing uid.dat keeps world data linked to your account

macOS / Linux (Wine)

• Download the Windows nightly .zip
• Run via wine Minecraft.Client.exe or CrossOver
• Stability issues (frametime pacing) are known and community-reported; not officially supported

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Contributing

Read CONTRIBUTING.md before submitting PRs. Key points:

• Follow existing code style and naming conventions
• Console build compatibility should not be broken without discussion
• Security fixes are always welcome
• Check open issues (535+) for good first tasks
• Join the Discord for contributor discussion

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Platform Support Summary

Platform	Status
Windows (VS 2022)	✅ Fully supported
macOS / Linux (Wine)	⚠️ Community-reported working, unofficial
Android (Wine)	⚠️ Runs with frametime issues
iOS	❌ No support
Consoles	⚠️ Code present, not actively maintained