89 lines
2.4 KiB
Go
89 lines
2.4 KiB
Go
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package maps
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import (
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"math"
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"github.com/BattlesnakeOfficial/rules"
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)
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type SinkholesMap struct{}
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func init() {
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globalRegistry.RegisterMap("sinkholes", SinkholesMap{})
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}
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func (m SinkholesMap) ID() string {
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return "sinkholes"
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}
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func (m SinkholesMap) Meta() Metadata {
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return Metadata{
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Name: "Sinkholes",
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Description: "Spawns a rounded sinkhole on the board that grows every N turns, layering additional hazard squares over previously spawned ones.",
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Author: "Battlesnake",
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Version: 1,
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MinPlayers: 1,
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MaxPlayers: 8,
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BoardSizes: FixedSizes(Dimensions{7, 7}, Dimensions{11, 11}, Dimensions{19, 19}),
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}
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}
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func (m SinkholesMap) SetupBoard(initialBoardState *rules.BoardState, settings rules.Settings, editor Editor) error {
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return (StandardMap{}).SetupBoard(initialBoardState, settings, editor)
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}
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func (m SinkholesMap) UpdateBoard(lastBoardState *rules.BoardState, settings rules.Settings, editor Editor) error {
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err := StandardMap{}.UpdateBoard(lastBoardState, settings, editor)
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if err != nil {
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return err
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}
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currentTurn := lastBoardState.Turn
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startTurn := 1
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spawnEveryNTurns := 10
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if settings.RoyaleSettings.ShrinkEveryNTurns > 0 {
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spawnEveryNTurns = settings.RoyaleSettings.ShrinkEveryNTurns
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}
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maxRings := 5
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if lastBoardState.Width == 7 {
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maxRings = 3
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} else if lastBoardState.Width == 19 {
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maxRings = 7
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}
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spawnLocation := rules.Point{X: lastBoardState.Width / 2, Y: lastBoardState.Height / 2}
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if currentTurn == startTurn {
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editor.AddHazard(spawnLocation)
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return nil
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}
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// Are we at max size, if so stop try to generate hazards
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if currentTurn > spawnEveryNTurns*maxRings {
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return nil
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}
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// Is this a turn to grow the sinkhole?
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if (currentTurn-startTurn)%spawnEveryNTurns != 0 {
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return nil
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}
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offset := int(math.Floor(float64(currentTurn-startTurn) / float64(spawnEveryNTurns)))
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if offset > 0 && offset <= maxRings {
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for x := spawnLocation.X - offset; x <= spawnLocation.X+offset; x++ {
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for y := spawnLocation.Y - offset; y <= spawnLocation.Y+offset; y++ {
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// don't draw in the corners of the square so we get a rounded effect
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if !(x == spawnLocation.X-offset && y == spawnLocation.Y-offset) &&
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!(x == spawnLocation.X+offset && y == spawnLocation.Y-offset) &&
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!(x == spawnLocation.X-offset && y == spawnLocation.Y+offset) &&
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!(x == spawnLocation.X+offset && y == spawnLocation.Y+offset) {
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editor.AddHazard(rules.Point{X: x, Y: y})
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}
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}
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}
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}
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return nil
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}
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