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42 lines
950 B
Go
42 lines
950 B
Go
10 years ago
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package main
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import (
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"fmt"
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"time"
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)
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type broadcast struct {
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start time.Time
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origin *System
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dist float64
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nextHitIndex int
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message string
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}
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func NewBroadcast(from *System, template string, args ...interface{}) *broadcast {
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return &broadcast{
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start: time.Now(),
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origin: from,
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message: fmt.Sprintf(template, args...),
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}
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}
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func (b *broadcast) Tick(frame int64) {
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b.dist += options.lightSpeed
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for ; b.nextHitIndex < len(b.origin.Distances()); b.nextHitIndex += 1 {
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candidate := b.origin.Distances()[b.nextHitIndex]
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if b.dist < candidate.dist {
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break
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}
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candidate.s.NotifyInhabitants("message received from system %s:\n\t%s\n", b.origin.Label(), b.message)
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}
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}
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func (b *broadcast) Dead() bool {
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return b.dist > b.origin.Distances()[len(b.origin.Distances())-1].dist
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}
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func (b *broadcast) String() string {
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return fmt.Sprintf("[broadcast origin: %s message: %s]", b.origin.name, b.message)
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}
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