Tank

An Online Command-Line Game

Intro

In Tank, you will take control of a powerful tank in a maze, showcasing your strategic skills on the infinite map and overcome unpredictable obstacles. You can play solo or team up with friends.

Example

Tutorial

Control

• Move: WASD or direction keys
• Attack: space
• Tank Status: 'o' or 'O'
• Command: '/'

Tank

User's Tank:

• HP: 10000, ATK: 100

Auto Tank:

• HP: (11 - lvl) * 150, ATK: (11 - lvl) * 15
• The higher level the tank is, the faster it moves.

Command

help [line]

• Get this help.
• Use 'Enter' to return game.

quit

• Quit Tank.

pause

• Pause.

continue

• Continue.

fill [Status] [A x,y] [B x,y optional]

• Status: [0] Empty [1] Wall
• Fill the area from A to B as the given Status.
• B defaults to the same as A
• e.g. fill 1 0 0 10 10 | fill 1 0 0

tp [A id] ([B id] or [B x,y])

• Teleport A to B
• A should be alive, and there should be space around B.
• e.g. tp 0 1 | tp 0 1 1

revive [A id optional]

• Revive A.
• Default to revive all tanks.

summon [n] [level]

• Summon n tanks with the given level.
• e.g. summon 50 10

kill [A id optional]

• Kill A.
• Default to kill all tanks.

clear [A id optional]

• Clear A.(only Auto Tank)
• Default to clear all auto tanks.

clear death

• Clear all the died Auto Tanks
  Note: Clear is to delete rather than to kill, so the cleared tank can't revive. And the bullets of the cleared tank will also be cleared.

set [A id] [key] [value]

• Set A's attribute below:
• max_hp (int): Max hp of A. This will take effect when A is revived.
• hp (int): hp of A. This takes effect immediately but won't last when A is revived.
• target (id, int): Auto Tank's target. Target should be alive.
• name (string): Name of A.

set [A id] bullet [key] [value]

• hp (int): hp of A's bullet.
• lethality (int): lethality of A's bullet. (negative to increase hp)
• range (int): range of A's bullet.
• e.g. set 0 max_hp 1000 | set 0 bullet lethality 10
  Note: When a bullet hits the wall, its hp decreases by one. That means it can bounce "hp - 1" times.

set tick [tick]

• tick (int, milliseconds): minimum time of the game's(or server's) mainloop.

set msg_ttl [ttl]

• ttl (int, milliseconds): a message's time to live.

set seed [seed]

• seed (unsigned long long): the game map's seed.

tell [A id optional] [msg]

• Send a message to A.
• id defaults to be -1, in which case all the players will receive the message.
• msg (string): the message's content.

observe [A id]

• Observe A.

server start [port]

• Start Tank Server.
• port (int): the server's port.

server stop

• Stop Tank Server.

connect [ip] [port]

• Connect to Tank Server.
• ip (string): the server's IP.
• port (int): the server's port.

disconnect

• Disconnect from the Server.

Build

Requires C++ 20

CMake

mkdir build && cd build
cmake .. && make

G++

g++ src/* -I include -lpthread -O2 -std=c++20 -o tank