69 lines
1.5 KiB
Go
69 lines
1.5 KiB
Go
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package game
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import (
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"log"
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"path"
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"strconv"
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"git.tuxpa.in/a/card_id/common/data"
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"git.tuxpa.in/a/card_id/common/game/level"
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"git.tuxpa.in/a/card_id/common/game/table"
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"lukechampine.com/frand"
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)
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type Game struct {
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Levels map[string]*level.Level
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TotalProbability float64
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}
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func NewFromRoot(datadir string) (*Game, error) {
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out := &Game{
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Levels: make(map[string]*level.Level, 12),
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}
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if datadir == "" {
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datadir = "./data"
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}
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grades, err := data.NewGradesFromFile(path.Join(datadir, "GradeInfo.yaml"))
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if err != nil {
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return nil, err
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}
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for _, v := range grades {
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lvl := &level.Level{}
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lvl.Name = strconv.Itoa(v.Grade)
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out.Levels[lvl.Name] = lvl
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lvl.SelectionWeight = v.Rate
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out.TotalProbability = out.TotalProbability + v.Rate
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rres, err := data.NewResultsFromFile(path.Join(datadir, "ResultTable", lvl.Name+".yaml"))
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if err != nil {
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return nil, err
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}
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lvl.RewardTable = table.New(rres)
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if v.SpecialRate > 0 {
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lvl.SpecialChance = v.SpecialRate
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sres, err := data.NewResultsFromFile(path.Join(datadir, "SpecialTable", lvl.Name+".yaml"))
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if err != nil {
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return nil, err
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}
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lvl.SpecialTable = table.New(sres)
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}
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}
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return out, nil
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}
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func (g *Game) RandomLevel() *level.Level {
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selector := frand.Float64() * g.TotalProbability
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sofar := 0.0
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if len(g.Levels) == 0 {
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return nil
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}
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for _, v := range g.Levels {
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sofar = sofar + v.SelectionWeight
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if sofar >= selector-0.000000001 {
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return v
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}
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}
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log.Println("BAD BAD BAD BAD BAD BAD PLEASE REPORT OH NO OH NO OH FISJAFIJNSAF")
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return g.RandomLevel()
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}
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