101 lines
3.1 KiB
Go
101 lines
3.1 KiB
Go
package world
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import (
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"code.haedhutner.dev/mvv/LastMUD/internal/ecs"
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"code.haedhutner.dev/mvv/LastMUD/internal/game/data"
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"github.com/google/uuid"
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)
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// Rules for output:
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// - All server output is prepended with "< "
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// - Server output is max 80 characters per line ( including th above prefix )
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// - If longer than 80 characters, break up into multiple lines
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// - Following lines of same output are not prepended with "< ", but have an offset to account for it
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// - Bottom-most line of telnet must always start with "> ", and if input currently exists there, must be preserved in case of server output
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//const (
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// maxLineLength = 80
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// prefix = "< "
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// continuation = " " // 2-space offset to align with prefix
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//)
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//func formatServerOutput(text string) []string {
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// // Strip newline characters to avoid confusion
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// text = strings.ReplaceAll(text, "\n", " ")
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// words := strings.Fields(text)
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//
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// var lines []string
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// line := prefix
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//
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// for _, word := range words {
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// // Check if word fits on current line
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// if len(line)+len(word)+1 > maxLineLength {
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// lines = append(lines, line)
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// // Begin new line with continuation indent
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// line = continuation + word
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// } else {
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// if len(line) > len(continuation) {
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// line += " " + word
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// } else {
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// line += word
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// }
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// }
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// }
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//
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// if len(line) > 0 {
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// lines = append(lines, line)
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// }
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//
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// return lines
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//}
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//
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//func formatServerOutputPreservingInput(output string) []byte {
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// lines := formatServerOutput(output)
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//
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// saveCursor := "\x1b7"
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// restoreCursor := "\x1b8"
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// moveCursorUp := func(n int) string {
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// return fmt.Sprintf("\x1b[%dA", n)
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// }
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// eraseLine := "\x1b[2K"
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// carriageReturn := "\r"
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//
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// // Build the full output string
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// var builder strings.Builder
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//
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// builder.WriteString(saveCursor) // Save cursor (input line)
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// builder.WriteString(moveCursorUp(1)) // Move up to output line
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//
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// for _, line := range lines {
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// builder.WriteString(eraseLine) // Clear line
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// builder.WriteString(carriageReturn) // Reset to beginning
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// builder.WriteString(line) // Write output line
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// builder.WriteString("\n") // Move to next line
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// }
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//
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// builder.WriteString(restoreCursor) // Return to input line
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//
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// // Send the whole update in one write
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// return []byte(builder.String())
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//}
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func CreateGameOutput(w *ecs.World, connectionId uuid.UUID, contents string) ecs.Entity {
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gameOutput := ecs.NewEntity()
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ecs.SetComponent(w, gameOutput, data.IsOutputComponent{})
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ecs.SetComponent(w, gameOutput, data.ConnectionIdComponent{ConnectionId: connectionId})
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ecs.SetComponent(w, gameOutput, data.ContentsComponent{Contents: []byte(contents)})
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return gameOutput
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}
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func CreateClosingGameOutput(w *ecs.World, connectionId uuid.UUID, contents []byte) ecs.Entity {
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gameOutput := ecs.NewEntity()
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ecs.SetComponent(w, gameOutput, data.IsOutputComponent{})
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ecs.SetComponent(w, gameOutput, data.ConnectionIdComponent{ConnectionId: connectionId})
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ecs.SetComponent(w, gameOutput, data.ContentsComponent{Contents: contents})
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ecs.SetComponent(w, gameOutput, data.CloseConnectionComponent{})
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return gameOutput
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}
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