jsonapp

Documentation

Overview

Jsonapp contains an example of a simple game application that uses JSON as inputs and outputs.

Index

• type AddMonsterPayload
• type AttackMonsterPayload
• type GameApplication
  • func NewGameApplication(gm common.Address) *GameApplication
  • func (a *GameApplication) Advance(env rollmelette.Env, metadata rollmelette.Metadata, ...) error
  • func (a *GameApplication) Inspect(env rollmelette.EnvInspector, payload []byte) error
• type GameState
• type Input
• type InputKind
• type Monster

Types

type AddMonsterPayload

type AddMonsterPayload = Monster

AddMonsterPayload is the payload for the AddMonster input.

type AttackMonsterPayload

type AttackMonsterPayload struct {
	MonsterName string `json:"monsterName"`
	Damage      int    `json:"damage"`
}

AttackMonsterPayload is the payload for the AttackMonster input.

type GameApplication

type GameApplication struct {
	// contains filtered or unexported fields
}

GameApplication is an application for a simple RPG game. The GM can add monsters and the players can attack them. Anyone can attack the the monsters. For each input, the application emits a report with the current game state.

func NewGameApplication

func NewGameApplication(gm common.Address) *GameApplication

func (*GameApplication) Advance

func (a *GameApplication) Advance(
	env rollmelette.Env,
	metadata rollmelette.Metadata,
	deposit rollmelette.Deposit,
	payload []byte,
) error

func (*GameApplication) Inspect

func (a *GameApplication) Inspect(env rollmelette.EnvInspector, payload []byte) error

type GameState

type GameState struct {
	Monsters map[string]Monster `json:"monsters"`
}

GameState is represents the state of the game.

type Input

type Input struct {
	Kind    InputKind       `json:"kind"`
	Payload json.RawMessage `json:"payload"`
}

Input has a kind and a payload with specific data.

type InputKind

type InputKind string

InputKind is an enum that represents the kind of input.

const (
	// AddMonster adds a monster to the game. It should be called by the GM.
	AddMonster InputKind = "AddMonster"

	// AttackMonster attacks the given monster.
	AttackMonster InputKind = "AttackMonster"
)

type Monster

type Monster struct {
	Name      string `json:"name"`
	HitPoints int    `json:"hitPoints"`
}

Monster represents a monster in the game.