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Code Issues Releases Wiki Activity

More sprite optimizations. (#141)

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This commit is contained in:
Tim Sarbin 2019-11-10 20:44:51 -05:00 committed by GitHub
parent 352ff81b72
commit f81eb5764d
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 20 additions and 34 deletions
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1
.gitignore vendored
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@ -5,3 +5,4 @@
.idea/**/*
.vs/**/*
/OpenDiablo2.exe
**/*.pprof

53
d2render/sprite.go
View File

@ -20,7 +20,6 @@ type Sprite struct {
Directions uint32
FramesPerDirection uint32
atlas *ebiten.Image
atlasBytes []byte
Frames []SpriteFrame
SpecialFrameTime int
StopOnLastFrame bool
@ -46,7 +45,6 @@ type SpriteFrame struct {
ImageData []int16
FrameData []byte
Image *ebiten.Image
cached bool
atlasX int
atlasY int
}
@ -182,16 +180,33 @@ func CreateSprite(data []byte, palette d2datadict.PaletteRec) Sprite {
}
atlasHeight = p2
result.atlas, _ = ebiten.NewImage(atlasWidth, atlasHeight, ebiten.FilterNearest)
result.atlasBytes = make([]byte, atlasWidth*atlasHeight*4)
atlasBytes := make([]byte, atlasWidth*atlasHeight*4)
frame = 0
for d := 0; d < int(result.Directions); d++ {
for f := 0; f < int(result.FramesPerDirection); f++ {
f := &result.Frames[frame]
f.Image = result.atlas.SubImage(image.Rect(f.atlasX, f.atlasY, f.atlasX+int(f.Width), f.atlasY+int(f.Height))).(*ebiten.Image)
ox := f.atlasX
oy := f.atlasY
for y := 0; y < int(f.Height); y++ {
for x := 0; x < int(f.Width); x++ {
pix := (x + (y * int(f.Width))) * 4
idx := (ox + x + ((oy + y) * atlasWidth)) * 4
atlasBytes[idx] = f.FrameData[pix]
atlasBytes[idx+1] = f.FrameData[pix+1]
atlasBytes[idx+2] = f.FrameData[pix+2]
atlasBytes[idx+3] = f.FrameData[pix+3]
}
}
curY += int(result.Frames[frame].Height)
frame++
}
}
if err := result.atlas.ReplacePixels(atlasBytes); err != nil {
log.Panic(err.Error())
}
atlasBytes = []byte{}
result.valid = true
return result
@ -201,30 +216,6 @@ func (v Sprite) IsValid() bool {
return v.valid
}
func (v *Sprite) cacheFrame(frame int) {
if v.Frames[frame].cached {
return
}
totalWidth := v.atlas.Bounds().Max.X
ox := v.Frames[frame].atlasX
oy := v.Frames[frame].atlasY
for y := 0; y < int(v.Frames[frame].Height); y++ {
for x := 0; x < int(v.Frames[frame].Width); x++ {
pix := (x + (y * int(v.Frames[frame].Width))) * 4
idx := (ox + x + ((oy + y) * totalWidth)) * 4
v.atlasBytes[idx] = v.Frames[frame].FrameData[pix]
v.atlasBytes[idx+1] = v.Frames[frame].FrameData[pix+1]
v.atlasBytes[idx+2] = v.Frames[frame].FrameData[pix+2]
v.atlasBytes[idx+3] = v.Frames[frame].FrameData[pix+3]
}
}
if err := v.atlas.ReplacePixels(v.atlasBytes); err != nil {
log.Panic(err.Error())
}
v.Frames[frame].cached = true
v.Frames[frame].FrameData = []byte{}
}
// GetSize returns the size of the sprite
func (v Sprite) GetSize() (uint32, uint32) {
frame := v.Frames[uint32(v.Frame)+(uint32(v.Direction)*v.FramesPerDirection)]
@ -281,12 +272,9 @@ func (v *Sprite) Draw(target *ebiten.Image) {
v.updateAnimation()
opts := &ebiten.DrawImageOptions{}
frame := v.Frames[uint32(v.Frame)+(uint32(v.Direction)*v.FramesPerDirection)]
if !frame.cached {
v.cacheFrame(int(v.Frame) + (int(v.Direction) * int(v.FramesPerDirection)))
}
opts.GeoM.Translate(
float64(int32(v.X)+frame.OffsetX),
float64((int32(v.Y) - int32(frame.Height) + frame.OffsetY)),
float64(int32(v.Y)-int32(frame.Height)+frame.OffsetY),
)
if v.Blend {
opts.CompositeMode = ebiten.CompositeModeLighter
@ -310,9 +298,6 @@ func (v *Sprite) DrawSegments(target *ebiten.Image, xSegments, ySegments, offset
biggestYOffset := int32(0)
for x := 0; x < xSegments; x++ {
frame := v.Frames[uint32(x+(y*xSegments)+(offset*xSegments*ySegments))]
if !frame.cached {
v.cacheFrame(x + (y * xSegments) + (offset * xSegments * ySegments))
}
opts := &ebiten.DrawImageOptions{}
opts.GeoM.Translate(
float64(int32(v.X)+frame.OffsetX+xOffset),