64 lines
1.4 KiB
Go
64 lines
1.4 KiB
Go
package system
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import (
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"image/color"
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_ "image/png"
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"strings"
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"code.rocketnine.space/tslocum/doctorlectro/component"
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"code.rocketnine.space/tslocum/doctorlectro/world"
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"code.rocketnine.space/tslocum/gohan"
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"github.com/hajimehoshi/ebiten/v2"
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"github.com/hajimehoshi/ebiten/v2/ebitenutil"
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)
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type RenderMessageSystem struct {
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Player *component.Player
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op *ebiten.DrawImageOptions
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debugImg *ebiten.Image
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}
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func NewRenderMessageSystem() *RenderMessageSystem {
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s := &RenderMessageSystem{
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op: &ebiten.DrawImageOptions{},
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debugImg: ebiten.NewImage(94, 114),
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}
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return s
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}
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func (s *RenderMessageSystem) Update(_ gohan.Entity) error {
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return gohan.ErrUnregister
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}
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func (s *RenderMessageSystem) Draw(e gohan.Entity, screen *ebiten.Image) error {
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if world.MessageText == "" {
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return nil
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}
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message := world.MessageText
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split := strings.Split(message, "\n")
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lines := len(split)
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var maxLength int
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for _, line := range split {
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l := len(line)
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if l > maxLength {
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maxLength = l
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}
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}
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w, h := maxLength*6, (lines)*16
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w, h = w+10, h+6
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s.debugImg = ebiten.NewImage(w, h)
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s.debugImg.Fill(color.RGBA{80, 80, 80, 255})
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ebitenutil.DebugPrintAt(s.debugImg, message, 4, 2)
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x, y := world.ScreenWidth/2-float64(w)/2, world.ScreenHeight/2-float64(h)/2
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op := &ebiten.DrawImageOptions{}
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op.GeoM.Translate(x, y)
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screen.DrawImage(s.debugImg, op)
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return nil
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}
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