units.md

Unit messages

On every tick in the server, the server will send many messages about unit moves, spawning bullet/npc or destroying tank/bullet/wall.

Type of message is field status with value "data" To determine action of object (destroy/move/change/spawn) you can use action field.

Move status

Sends only basic information about movement

{
    "status": "data",
    "action": "move",
    "id": HEX,
    "position": {"x": X, "y": Y}
}

Spawn/Change/Freeze

When unit is spawned or changed (direction, speed or sth) then server sends all info about object.

{
    "status": "data",
    "action": "change"|"spawn"|"freeze"|"unfreeze",
    "id": HEX,
    "type": TYPE,
    "speed": SPEED, // int
    "position": {"x": X, "y": Y},
    "direction": "up"|"down"|"left"|"right",
    "parent": null|PARENT_HEX,  // used to detect friendly/own/enemy bullet
    "is_freeze": true|false // tank can be freeze max to 15 ticks of game.
}

Possible actions

• change - when object is changed - like another speed or direction.
• spawn - when object is created - shot bullet or new NPC in the area
• freeze - when player was shot by another player. This player can't move.
• unfreeze - when is player is not freezed and can move.

Destroy

{
    "status": "data",
    "action": "destroy",
    "id": HEX
}