rules

type BoardState struct {
	Turn    int32
	Height  int32
	Width   int32
	Food    []Point
	Snakes  []Snake
	Hazards []Point
}

type ConstrictorRuleset struct {
	StandardRuleset
}

type Point struct {
	X int32
	Y int32
}

type RoyaleRuleset struct {
	StandardRuleset

	Seed int64

	ShrinkEveryNTurns int32
}

type RoyaleSettings struct {
	ShrinkEveryNTurns int32 `json:"shrinkEveryNTurns"`
	// contains filtered or unexported fields
}

type Ruleset interface {
	Name() string
	ModifyInitialBoardState(initialState *BoardState) (*BoardState, error)
	CreateNextBoardState(prevState *BoardState, moves []SnakeMove) (*BoardState, error)
	IsGameOver(state *BoardState) (bool, error)
	// Settings provides the game settings that are relevant to the ruleset.
	Settings() Settings
}

type RulesetError string

type Settings struct {
	FoodSpawnChance     int32          `json:"foodSpawnChance"`
	MinimumFood         int32          `json:"minimumFood"`
	HazardDamagePerTurn int32          `json:"hazardDamagePerTurn"`
	HazardMap           string         `json:"hazardMap"`
	HazardMapAuthor     string         `json:"hazardMapAuthor"`
	RoyaleSettings      RoyaleSettings `json:"royale"`
	SquadSettings       SquadSettings  `json:"squad"`
}

type Snake struct {
	ID               string
	Body             []Point
	Health           int32
	EliminatedCause  string
	EliminatedOnTurn int32
	EliminatedBy     string
}

type SnakeMove struct {
	ID   string
	Move string
}

type SoloRuleset struct {
	StandardRuleset
}

type SquadRuleset struct {
	StandardRuleset

	SquadMap map[string]string

	// These are intentionally designed so that they default to a standard game.
	AllowBodyCollisions bool
	SharedElimination   bool
	SharedHealth        bool
	SharedLength        bool
}

type SquadSettings struct {
	AllowBodyCollisions bool `json:"allowBodyCollisions"`
	SharedElimination   bool `json:"sharedElimination"`
	SharedHealth        bool `json:"sharedHealth"`
	SharedLength        bool `json:"sharedLength"`
	// contains filtered or unexported fields
}

type StageFunc func(*BoardState, Settings, []SnakeMove) (bool, error)

type StandardRuleset struct {
	FoodSpawnChance     int32 // [0, 100]
	MinimumFood         int32
	HazardDamagePerTurn int32
	HazardMap           string // optional
	HazardMapAuthor     string // optional
}

type WrappedRuleset struct {
	StandardRuleset
}