64 lines
1.1 KiB
Go
64 lines
1.1 KiB
Go
package dice
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import (
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"fmt"
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"math/rand"
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"regexp"
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"sort"
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"strconv"
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)
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type FudgeRoller struct{}
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var fudgePattern = regexp.MustCompile(`([0-9]+)df?([+-][0-9]+)?($|\s)`)
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func (FudgeRoller) Pattern() *regexp.Regexp { return fudgePattern }
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type FudgeResult struct {
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basicRollResult
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Rolls []int
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Total int
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}
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func (r FudgeResult) String() string {
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return fmt.Sprintf("%d %v", r.Total, r.Rolls)
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}
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func (r FudgeResult) Int() int {
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return r.Total
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}
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func (FudgeRoller) Roll(matches []string) (RollResult, error) {
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dice, err := strconv.ParseInt(matches[1], 10, 0)
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if err != nil {
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return nil, err
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}
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result := FudgeResult{
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basicRollResult: basicRollResult{matches[0]},
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Rolls: make([]int, dice),
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Total: 0,
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}
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if matches[2] != "" {
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bonus, err := strconv.ParseInt(matches[2], 10, 0)
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if err != nil {
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return nil, err
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}
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result.Total += int(bonus)
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}
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for i := 0; i < len(result.Rolls); i++ {
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result.Rolls[i] = rand.Intn(3) - 1
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result.Total += result.Rolls[i]
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}
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sort.Ints(result.Rolls)
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return result, nil
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}
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func init() {
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addRollHandler(FudgeRoller{})
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}
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