mirror of
https://github.com/OpenDiablo2/OpenDiablo2
synced 2025-02-06 00:26:40 -05:00
63aa1eebe9
* Fixed bad capitalization in names * More bad name fixes * temp rename for case sensitivity issues * Temporary rename to fix capitalization
71 lines
1.8 KiB
Go
71 lines
1.8 KiB
Go
package d2debugutil
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import (
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"image"
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"github.com/OpenDiablo2/OpenDiablo2/d2common/d2debugutil/internal/assets"
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"github.com/hajimehoshi/ebiten"
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)
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var (
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debugPrintTextImage *ebiten.Image
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debugPrintTextSubImages = map[rune]*ebiten.Image{}
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)
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func init() {
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img := assets.CreateTextImage()
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debugPrintTextImage, _ = ebiten.NewImageFromImage(img, ebiten.FilterDefault)
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}
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// DebugPrint draws the string str on the image on left top corner.
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//
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// The available runes are in U+0000 to U+00FF, which is C0 Controls and Basic Latin and C1 Controls and Latin-1 Supplement.
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//
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// DebugPrint always returns nil as of 1.5.0-alpha.
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func D2DebugPrint(image *ebiten.Image, str string) error {
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D2DebugPrintAt(image, str, 0, 0)
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return nil
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}
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// DebugPrintAt draws the string str on the image at (x, y) position.
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//
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// The available runes are in U+0000 to U+00FF, which is C0 Controls and Basic Latin and C1 Controls and Latin-1 Supplement.
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func D2DebugPrintAt(image *ebiten.Image, str string, x, y int) {
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drawDebugText(image, str, x, y, false)
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}
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func drawDebugText(rt *ebiten.Image, str string, ox, oy int, shadow bool) {
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op := &ebiten.DrawImageOptions{}
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if shadow {
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op.ColorM.Scale(0, 0, 0, 0.5)
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}
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x := 0
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y := 0
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w, _ := debugPrintTextImage.Size()
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for _, c := range str {
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const (
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cw = assets.CharWidth
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ch = assets.CharHeight
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)
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if c == '\n' {
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x = 0
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y += ch
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continue
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}
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s, ok := debugPrintTextSubImages[c]
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if !ok {
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n := w / cw
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sx := (int(c) % n) * cw
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sy := (int(c) / n) * ch
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s = debugPrintTextImage.SubImage(image.Rect(sx, sy, sx+cw, sy+ch)).(*ebiten.Image)
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debugPrintTextSubImages[c] = s
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}
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op.GeoM.Reset()
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op.GeoM.Translate(float64(x), float64(y))
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op.GeoM.Translate(float64(ox+1), float64(oy))
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op.CompositeMode = ebiten.CompositeModeLighter
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_ = rt.DrawImage(s, op)
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x += cw
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}
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}
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