func init() {
renderVSync.Callback(func() {
if glfw.GetCurrentContext() == nil {
return
}
if renderVSync.Value() {
glfw.SwapInterval(1)
} else {
glfw.SwapInterval(0)
}
})
}
// GetTexture returns the related TextureInfo for the requested texture.
// If the texture isn't found a placeholder is returned instead.
// The plugin prefix of 'minecraft:' is default
func GetTexture(name string) TextureInfo {
textureLock.RLock()
defer textureLock.RUnlock()
t, ok := textureMap[name]
if !ok {
textureLock.RUnlock()
ret := make(chan struct{}, 1)
f := func() {
textureLock.Lock()
defer textureLock.Unlock()
// Check to see if it was already loaded between
// requesting it
if _, ok = textureMap[name]; ok {
t = textureMap[name]
ret <- struct{}{}
return
}
ns := name
plugin := "minecraft"
if pos := strings.IndexRune(name, ':'); pos != -1 {
plugin = name[:pos]
ns = name[pos+1:]
}
r, err := resource.Open(plugin, "textures/"+ns+".png")
if err == nil {
defer r.Close()
img, err := png.Decode(r)
if err != nil {
panic(fmt.Sprintf("(%s): %s", name, err))
}
s := &loadedTexture{
Plugin: plugin,
File: "textures/" + ns + ".png",
Image: img,
}
loadedTextures = append(loadedTextures, s)
loadTexFile(s)
}
t, ok = textureMap[name]
if !ok {
ti := *textureMap["missing_texture"]
t = &ti
textureMap[name] = t
s := &loadedTexture{
Plugin: plugin,
File: "textures/" + ns + ".png",
Image: nil,
}
loadedTextures = append(loadedTextures, s)
}
ret <- struct{}{}
}
if w := glfw.GetCurrentContext(); w == nil {
syncChan <- f
} else {
f()
}
<-ret
textureLock.RLock()
}
return t
}