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Use ANSI background color for telnet package
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parent
fd606be15c
commit
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@ -2,6 +2,7 @@
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package telnet
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import (
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"fmt"
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"io"
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"log"
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"net"
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@ -15,8 +16,6 @@ var (
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Cfg *Options
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currentMessage map[string]*string
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clientCount map[string]int
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asciiChars = []byte{' ', '.', ',', ':', ';', '+', '*', '?', '%', '$', '#', '@'}
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)
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// Options holds telnet package configuration
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@ -99,6 +98,9 @@ func Serve(config *Options) {
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clientCount[streamID]++
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// Hide terminal cursor
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_, _ = s.Write([]byte("\033[?25l"))
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for {
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n, err := s.Write([]byte(*currentMessage[streamID]))
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if err != nil {
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@ -152,7 +154,7 @@ func StartASCIIArtStream(streamID string, reader io.ReadCloser) {
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// Header
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textBuff.Reset()
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textBuff.Grow((2*Cfg.Width + 1) * Cfg.Height)
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textBuff.Grow((40*Cfg.Width+6)*Cfg.Height + 47)
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for i := 0; i < 42; i++ {
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textBuff.WriteByte('\n')
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}
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@ -161,13 +163,15 @@ func StartASCIIArtStream(streamID string, reader io.ReadCloser) {
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for i, pixel := range pixelBuff {
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if i%Cfg.Width == 0 {
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// New line
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textBuff.WriteByte('\n')
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textBuff.WriteString("\033[49m\n")
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}
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// Print two times the character to make a square
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textBuff.WriteByte(asciiChars[pixel/22])
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textBuff.WriteByte(asciiChars[pixel/22])
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text := fmt.Sprintf("\033[48;2;%d;%d;%dm ", pixel, pixel, pixel)
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textBuff.WriteString(text)
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textBuff.WriteString(text)
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}
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textBuff.WriteString("\033[49m")
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*(currentMessage[streamID]) = textBuff.String()
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}
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