v0 source pure

1const (
2	BallRadius = 110   // mm
3	PostRadius = 60    // mm
4	Distance   = 11000 // penalty spot to goal line, mm
5	Gravity    = 9810  // mm/s²
6
7	AimMaxX = 6000 // the aim point must lie within ±6 m of the goal centre
8	AimMaxY = 4000 // and between the grass and 4 m up
9)

1const (
2	ForwardMax  = 220 // deci-degrees
3	CentreShare = 60  // per-mille of the direction range
4	StarMaxSpd  = 1150
5)

1const (
2	ChainAimInset = 250 // mm inside each post
3	ChainAimMinY  = 300 // mm
4	ChainAimOverY = 200 // mm above the bar at most
5	ChainPowerMin = 450 // per-mille
6	ChainContact  = 350 // milli-radii
7)

1const (
2	CurlPerMilliR = 45 // tenths of a mm of sideways travel per milli-radius of side contact
3	LiftPerMilliR = 28 // tenths of a mm of lift per milli-radius below centre
4	LaunchShare   = 20 // tenths of a mm of that sideways travel visible in the launch direction
5)

1const RegulationKicks = 5

1const (
2	ModeStar Mode = iota + 1 // spread into a star jump
3	ModeRead                 // hold and react to the shot
4	ModeDive                 // commit to a dive
5)

1const (
2	OutcomeGoal Outcome = iota + 1
3	OutcomeSave
4	OutcomeMiss
5	OutcomePost
6)

1const (
2	SidePlayer Side = iota + 1
3	SideChain
4)

1var (
2	ErrConfigRange   = errors.New("penalty: config value out of range")
3	ErrConfigOrder   = errors.New("penalty: config range is inverted")
4	ErrConfigShares  = errors.New("penalty: starShare + readShare must not exceed 900")
5	ErrConfigUnknown = errors.New("penalty: unknown config key")
6	ErrConfigSyntax  = errors.New("penalty: config must be key=value pairs separated by commas")
7)

1var ErrShotRange = errors.New("penalty: shot parameter out of range")

1func MishitHex(m [24]byte) string

1func ParseMishitHex(s string) ([24]byte, bool)

1func DefaultConfig() Config

1func ParseConfig(s string) (Config, error)

1func DecodePlan(p KeeperPlan, c Config) Plan

1func SimulateShot(shot ShotParams, plan KeeperPlan, c Config) Result

 1type Config struct {
 2	GoalWidth  int64 // inside width, mm
 3	GoalHeight int64 // inside height, mm
 4
 5	KeeperScale int64 // keeper size relative to a ~1.85 m keeper, per-mille
 6	ReactionMin int64 // keeper reaction delay range, ms
 7	ReactionMax int64
 8	StarShare   int64 // share of the keeper's speed range that means "star jump", per-mille
 9	ReadShare   int64 // share that means "wait and read the shot", per-mille
10	DiveMin     int64 // committed dive speed range, mm/s
11	DiveMax     int64
12	JumpMin     int64 // keeper vertical launch speed range, mm/s (negative = collapse low)
13	JumpMax     int64
14
15	BallMinSpeed int64 // ball speed at 0% power, mm/s
16	BallMaxSpeed int64 // ball speed at 100% power, mm/s
17	FuzzBase     int64 // std-dev of the mishit at 0% power, milli-radii
18	FuzzPower    int64 // extra std-dev at 100% power, milli-radii
19	MaxContact   int64 // farthest contact offset a taker may choose, milli-radii
20}

1type KeeperPlan struct {
2	Direction uint16
3	Speed     uint16
4	Jump      uint16
5	Reaction  uint16
6}

1type Mode uint8

1type Outcome uint8

1type Plan struct {
2	Mode     Mode
3	Heading  int64 // deci-degrees: 0 = along the line to the taker's right, 1800 = to the left, 900 = straight out
4	Speed    int64 // mm/s along the ground (0 for a read)
5	Jump     int64 // mm/s upwards (negative = collapse low)
6	Reaction int64 // ms after contact before moving
7}

1type Result struct {
2	Outcome   Outcome
3	X, Y      int64 // where the ball crosses (or would cross) the goal line, mm
4	ArrivalMS int64 // time from contact to the line
5	BallSpeed int64 // mm/s
6	MishitX   int64 // contact error the mishit seed added, milli-radii
7	MishitY   int64
8	Keeper    Mode
9}

1type Seed [32]byte

1type Shootout struct {
2	PlayerKicks int
3	PlayerGoals int
4	ChainKicks  int
5	ChainGoals  int
6}

1type ShotInput struct {
2	AimX     int64 // point on the goal plane the swing heads for, mm from the centre (+ = taker's right)
3	AimY     int64 // its height, mm
4	ContactX int64 // where the boot meets the ball, milli-radii from its centre (+ = right)
5	ContactY int64 // milli-radii (+ = above centre)
6	Power    int64 // per-mille
7}

1type ShotParams struct {
2	AimX     int64
3	AimY     int64
4	ContactX int64
5	ContactY int64
6	Power    int64
7	Mishit   [24]byte
8}

1type Side uint8