Battlesnake/Byte-snake-engine
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DEV 1303: Add empty and royale maps and update game map interface (#72)

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* move random generator into Settings

* add empty and royale maps

* place snakes on either cardinal or corner positions first
This commit is contained in:
Rob O'Dwyer 2022-05-17 15:45:56 -07:00 • committed by GitHub
parent 6fa2da2f01
commit e94d758a9b
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GPG key ID: 4AEE18F83AFDEB23
12 changed files with 479 additions and 52 deletions
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15
maps/standard.go
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@ -23,12 +23,14 @@ func (m StandardMap) Meta() Metadata {
}
func (m StandardMap) SetupBoard(initialBoardState *rules.BoardState, settings rules.Settings, editor Editor) error {
rand := settings.GetRand(0)
snakeIDs := make([]string, 0, len(initialBoardState.Snakes))
for _, snake := range initialBoardState.Snakes {
snakeIDs = append(snakeIDs, snake.ID)
}
tempBoardState, err := rules.CreateDefaultBoardState(editor.Random(), initialBoardState.Width, initialBoardState.Height, snakeIDs)
tempBoardState, err := rules.CreateDefaultBoardState(rand, initialBoardState.Width, initialBoardState.Height, snakeIDs)
if err != nil {
return err
}
@ -47,30 +49,31 @@ func (m StandardMap) SetupBoard(initialBoardState *rules.BoardState, settings ru
}
func (m StandardMap) UpdateBoard(lastBoardState *rules.BoardState, settings rules.Settings, editor Editor) error {
rand := settings.GetRand(lastBoardState.Turn)
minFood := int(settings.MinimumFood)
foodSpawnChance := int(settings.FoodSpawnChance)
numCurrentFood := len(lastBoardState.Food)
if numCurrentFood < minFood {
placeFoodRandomly(lastBoardState, editor, minFood-numCurrentFood)
placeFoodRandomly(rand, lastBoardState, editor, minFood-numCurrentFood)
return nil
}
if foodSpawnChance > 0 && (100-editor.Random().Intn(100)) < foodSpawnChance {
placeFoodRandomly(lastBoardState, editor, 1)
if foodSpawnChance > 0 && (100-rand.Intn(100)) < foodSpawnChance {
placeFoodRandomly(rand, lastBoardState, editor, 1)
return nil
}
return nil
}
func placeFoodRandomly(b *rules.BoardState, editor Editor, n int) {
func placeFoodRandomly(rand rules.Rand, b *rules.BoardState, editor Editor, n int) {
unoccupiedPoints := rules.GetUnoccupiedPoints(b, false)
if len(unoccupiedPoints) < n {
n = len(unoccupiedPoints)
}
editor.Random().Shuffle(len(unoccupiedPoints), func(i int, j int) {
rand.Shuffle(len(unoccupiedPoints), func(i int, j int) {
unoccupiedPoints[i], unoccupiedPoints[j] = unoccupiedPoints[j], unoccupiedPoints[i]
})