curltastic/frontend/src/protocol.ts

export const TICK_RATE_HZ = 120
export const SAMPLE_RATE_HZ = 40
export const STONES_PER_TEAM = 8
export const ENDS = 10
export const SHEET_WIDTH = 5.0
export const SHEET_LENGTH = 45.0
export const HOUSE_CENTER = { x: 0, y: 38.5 }
export const HOUSE_RADIUS = 1.83
export const BUTTON_RADIUS = 0.1524
export const FOUR_FT_RADIUS = 0.6096
export const EIGHT_FT_RADIUS = 1.2192
export const TWELVE_FT_RADIUS = 1.8288
export const HOG_LINE_Y = 21.0
export const BACK_LINE_Y = 42.0
export const HACK_Y = 2.0
export const STONE_RADIUS = 0.15
export const MIN_SPEED = 3.0
export const MAX_SPEED = 6.45

export interface StoneState {
  id: number
  team: Team
  x: number
  y: number
  rotation: number
  active: boolean
}

export interface ClientThrowMessage {
  type: 'throw'
  broom_x: number
  broom_y: number
  weight: number
  curl: number
  friction: number
}

export interface ServerJoinedMessage {
  type: 'joined'
  room: string
  team: Team
}

export interface ServerWaitingMessage {
  type: 'waiting'
  message: string
}

export interface ServerGameStateMessage {
  type: 'game_state'
  end: number
  scores: number[]
  hammer: Team
  turn_team: Team
  stones: StoneState[]
  phase: Phase
}

export interface ServerTrajectoryMessage {
  type: 'trajectory'
  path: [number, number, number][]
}

export interface ServerEndScoredMessage {
  type: 'end_scored'
  end: number
  points: number
  scoring_team?: Team
}

export interface ServerGameOverMessage {
  type: 'game_over'
  scores: number[]
  winner: Team | null
}

export interface ServerErrorMessage {
  type: 'error'
  message: string
}

export type ServerMessageTyped =
  | ServerJoinedMessage
  | ServerWaitingMessage
  | ServerGameStateMessage
  | ServerTrajectoryMessage
  | ServerEndScoredMessage
  | ServerGameOverMessage
  | ServerErrorMessage

export type Team = 'red' | 'yellow'
export type Phase = 'waiting' | 'playing' | 'simulating' | 'scoring' | 'end_complete' | 'game_complete'
export type ServerMessage = ServerMessageTyped

export function isTeam(value: unknown): value is Team {
  return value === 'red' || value === 'yellow'
}