mirror of
https://github.com/OpenDiablo2/OpenDiablo2
synced 2024-11-02 17:27:23 -04:00
783993470e
* fixed lint error in d2app/app.go * go fmt entire project * adding doc.go for d2records * fixed lint issues in d2core/d2map * fixed lint error in d2interface/palette.go * fixed lint error in d2core/d2hero/hero_state_factory.go * adding dov.go to d2common/d2geom * fixing lint errors in d2common/d2loader * adding doc.go to d2common/d2cache * adding doc files for d2datautils, d2util, d2path * adding package doc strings for mapgen, in-geam help screen, and tcp client connection * removed all cuddling lint errors * changed stamina equality check to '<=' instead of '<'
103 lines
2.3 KiB
Go
103 lines
2.3 KiB
Go
package d2util
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import (
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"image"
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"log"
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"github.com/OpenDiablo2/OpenDiablo2/d2common/d2util/assets"
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"github.com/hajimehoshi/ebiten"
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)
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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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// DebugPrinter is the global debug printer
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var DebugPrinter = NewDebugPrinter() //nolint:gochecknoglobals // currently global by design
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// NewDebugPrinter creates a new debug printer
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func NewDebugPrinter() *GlyphPrinter {
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img, err := ebiten.NewImageFromImage(assets.CreateTextImage(), ebiten.FilterDefault)
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if err != nil {
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return nil
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}
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printer := &GlyphPrinter{
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glyphImageTable: img,
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glyphs: make(map[rune]*ebiten.Image),
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}
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return printer
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}
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// GlyphPrinter uses an image containing glyphs to draw text onto ebiten images
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type GlyphPrinter struct {
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glyphImageTable *ebiten.Image
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glyphs map[rune]*ebiten.Image
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}
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// Print 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
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// 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 (p *GlyphPrinter) Print(target *ebiten.Image, str string) error {
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p.PrintAt(target, str, 0, 0)
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return nil
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}
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// PrintAt draws the string str on the image at (x, y) position.
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// The available runes are in U+0000 to U+00FF, which is C0 Controls and
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// Basic Latin and C1 Controls and Latin-1 Supplement.
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func (p *GlyphPrinter) PrintAt(target *ebiten.Image, str string, x, y int) {
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p.drawDebugText(target, str, x, y, false)
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}
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func (p *GlyphPrinter) drawDebugText(target *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, _ := p.glyphImageTable.Size()
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for _, c := range str {
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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 := p.glyphs[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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rect := image.Rect(sx, sy, sx+cw, sy+ch)
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s = p.glyphImageTable.SubImage(rect).(*ebiten.Image)
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p.glyphs[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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err := target.DrawImage(s, op)
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if err != nil {
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log.Print(err)
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}
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x += cw
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}
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}
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