Byte-snake-engine/maps/empty.go
Rob O'Dwyer 82e1999126
DEV-1761: New rules API (#118)
* DEV-1761: Clean up Ruleset interface (#115)

* remove legacy ruleset types and simplify ruleset interface

* remove unnecessary settings argument from Ruleset interface

* decouple rules.Settings from client API and store settings as strings

* DEV 1761: Add new BoardState and Point fields (#117)

* add Point.TTL, Point.Value, GameState and PointState to BoardState

* allow maps to access BoardState.GameState,PointState

* add PreUpdateBoard and refactor snail_mode with it

* fix bug where an extra turn was printed to the console

* fix formatting

* fix lint errors

Co-authored-by: JonathanArns <jonathan.arns@googlemail.com>
2022-10-28 16:49:49 -07:00

62 lines
1.5 KiB
Go

package maps
import (
"github.com/BattlesnakeOfficial/rules"
)
type EmptyMap struct{}
func init() {
globalRegistry.RegisterMap("empty", EmptyMap{})
}
func (m EmptyMap) ID() string {
return "empty"
}
func (m EmptyMap) Meta() Metadata {
return Metadata{
Name: "Empty",
Description: "Default snake placement with no food",
Author: "Battlesnake",
Version: 2,
MinPlayers: 1,
MaxPlayers: 16,
BoardSizes: OddSizes(rules.BoardSizeSmall, rules.BoardSizeXXLarge),
Tags: []string{},
}
}
func (m EmptyMap) SetupBoard(initialBoardState *rules.BoardState, settings rules.Settings, editor Editor) error {
rand := settings.GetRand(0)
if len(initialBoardState.Snakes) > int(m.Meta().MaxPlayers) {
return rules.ErrorTooManySnakes
}
snakeIDs := make([]string, 0, len(initialBoardState.Snakes))
for _, snake := range initialBoardState.Snakes {
snakeIDs = append(snakeIDs, snake.ID)
}
tempBoardState := rules.NewBoardState(initialBoardState.Width, initialBoardState.Height)
err := rules.PlaceSnakesAutomatically(rand, tempBoardState, snakeIDs)
if err != nil {
return err
}
// Copy snakes from temp board state
for _, snake := range tempBoardState.Snakes {
editor.PlaceSnake(snake.ID, snake.Body, snake.Health)
}
return nil
}
func (m EmptyMap) PreUpdateBoard(lastBoardState *rules.BoardState, settings rules.Settings, editor Editor) error {
return nil
}
func (m EmptyMap) PostUpdateBoard(lastBoardState *rules.BoardState, settings rules.Settings, editor Editor) error {
return nil
}