TarnaWijaya
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62 lines
2.0 KiB
Go
62 lines
2.0 KiB
Go
package bossbar
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import (
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"fmt"
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"strings"
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)
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// BossBar represents a boss bar that may be sent to a player. It is shown as a purple bar with text above
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// it. The health shown by the bar may be changed.
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type BossBar struct {
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text string
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health float64
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c Colour
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}
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// New creates a new boss bar with the text passed. The text is formatted according to the rules of
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// fmt.Sprintln.
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// By default, the boss bar will have a full health bar. To change this, use BossBar.WithHealthPercentage().
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// The default colour of the BossBar is Purple. This can be changed using BossBar.WithColour.
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func New(text ...any) BossBar {
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return BossBar{text: format(text), health: 1, c: Purple()}
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}
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// Text returns the text of the boss bar: The text passed when creating the bar using New().
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func (bar BossBar) Text() string {
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return bar.text
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}
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// WithHealthPercentage sets the health percentage of the boss bar. The value passed must be between 0 and 1.
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// If a value out of that range is passed, WithHealthPercentage panics.
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// The new BossBar with the changed health percentage is returned.
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func (bar BossBar) WithHealthPercentage(v float64) BossBar {
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if v < 0 || v > 1 {
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panic("boss bar: value out of range: health percentage must be between 0.0 and 1.0")
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}
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bar.health = v
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return bar
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}
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// WithColour returns a copy of the BossBar with the Colour passed.
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func (bar BossBar) WithColour(c Colour) BossBar {
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bar.c = c
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return bar
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}
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// HealthPercentage returns the health percentage of the boss bar. The number returned is a value between 0
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// and 1, with 0 being an empty boss bar and 1 being a full one.
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func (bar BossBar) HealthPercentage() float64 {
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return bar.health
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}
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// Colour returns the colour of the BossBar.
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func (bar BossBar) Colour() Colour {
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return bar.c
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}
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// format is a utility function to format a list of values to have spaces between them, but no newline at the
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// end, which is typically used for sending messages, popups and tips.
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func format(a []any) string {
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return strings.TrimSuffix(fmt.Sprintln(a...), "\n")
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}
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