retromc

A Mincraft Beta 1.7.3 server written in Go I forked.

Plan

• Create a functional Minecraft Beta 1.7.3 version
• Fiddle with world generation to create interesting worlds
• Play and have fun on that server

Side goals

• Learn more about Minecraft networking

Emojis

• 🆗: Works mostly, has some bugs with low priority.
• ✔️: Seems to work properly
• ❌: Considered not ready/done
• 🚧: Working on it right now
• 🐞: Temporary tracking of bugs that should be fixed
• 🕸️: Low priority bugs that will be fixed eventually/later
• 🎯: Temporary goals that should be implemented during 🚧 state to get to 🆗/✔️ states
• ℹ️: Information

Status

• 🆗: Inventory Management (Clicking & Moving)
  • 🕸️: Issue involving Beta Tweaks, too many packets sends and visible in client.
• ✔️: Crafting
• ✔️: Multiplayer
  • ℹ️: Two client POV match what is happening on individual client (hopefully...)
• 🆗: Block Placement & Mining
  • 🕸️: Some delays and undos of block placement
• ❌: Physics
  • 🚧: Minecart
    • 🐞: Lighting issues
    • 🐞: Player is moving inside minecart when entering from further distance
    • 🐞: Collision still not "smooth" enough but not high priority
    • 🎯: Should work with powered rails
    • 🎯: Should be breakable & collectable
  • ❌: Boat
  • ❌: Water/Lava
  • ❌: Sand/Gravel gravity
• ❌: World Generation
  • ℹ️: Right now it's 16x16 stone platform, so a sand stone box.
• ❌: Dropping Items (Entity Rendering)

References

• https://pixelbrush.dev/beta-wiki/ (has protocol information; may help in improving this build)
• https://minecraft.wiki/w/Java_Edition_protocol?oldid=2769711 (more accurate protocol information)
• https://github.com/OfficialPixelBrush/BetrockServer (a functional Beta 1.7.3 server written in C++; may be a good reference)
• https://wiki.retromc.org/B1.7.3_data_values (beta 1.7.3 block ids)
• https://github.com/MCPHackers/RetroMCP-Java (decompiling beta 1.7.3 server and playing with code)
• https://github.com/p2r3/bareiron (minimalist C Minecraft server, inspiration / some parts copied)
• https://web.archive.org/web/20110902073903/http://www.minecraftwiki.net/wiki/Crafting (Crafting recipes for Beta 1.7.3)
• https://github.com/jacobo-mc/mc_b1.7.3_release/blob/main/1.7.3-LTS/src/minecraft_server/net/minecraft/src/CraftingManager.java (Crafting recipes, how they were implemented in decompiled code)
• Packet Inspection with tshark
  • Run sudo tshark -i lo -f "host 127.0.0.1 and tcp port 25565" on a detached screen
  • Run python3 BetaPacketPlainTextifier.py -v (tool can be found here)
  • Allows you to inspects packets between client & server