OpenDiablo2/d2core/d2asset/asset_manager.go

126 lines
4.5 KiB
Go

package d2asset
import (
"log"
"github.com/OpenDiablo2/OpenDiablo2/d2common/d2enum"
"github.com/OpenDiablo2/OpenDiablo2/d2common/d2interface"
)
// AssetManager loads files and game objects
type AssetManager struct {
archiveManager d2interface.ArchiveManager
archivedFileManager d2interface.FileManager
paletteManager d2interface.PaletteManager
paletteTransformManager *paletteTransformManager
animationManager d2interface.AnimationManager
fontManager d2interface.FontManager
}
// LoadFileStream streams an MPQ file from a source file path
func (am *AssetManager) LoadFileStream(filePath string) (d2interface.ArchiveDataStream, error) {
data, err := am.archivedFileManager.LoadFileStream(filePath)
if err != nil {
log.Printf("error loading file stream %s (%v)", filePath, err.Error())
}
return data, err
}
// LoadFile loads an entire file from a source file path as a []byte
func (am *AssetManager) LoadFile(filePath string) ([]byte, error) {
data, err := am.archivedFileManager.LoadFile(filePath)
if err != nil {
log.Printf("error loading file %s (%v)", filePath, err.Error())
}
return data, err
}
// FileExists checks if a file exists on the underlying file system at the given file path.
func (am *AssetManager) FileExists(filePath string) (bool, error) {
return am.archivedFileManager.FileExists(filePath)
}
// LoadAnimation loads an animation by its resource path and its palette path
func (am *AssetManager) LoadAnimation(animationPath, palettePath string) (d2interface.Animation, error) {
return am.LoadAnimationWithEffect(animationPath, palettePath, d2enum.DrawEffectNone)
}
// LoadAnimationWithEffect loads an animation by its resource path and its palette path with a given transparency value
func (am *AssetManager) LoadAnimationWithEffect(animationPath, palettePath string,
drawEffect d2enum.DrawEffect) (d2interface.Animation, error) {
return am.animationManager.LoadAnimation(animationPath, palettePath, drawEffect)
}
// LoadComposite creates a composite object from a ObjectLookupRecord and palettePath describing it
func (am *AssetManager) LoadComposite(baseType d2enum.ObjectType, token, palettePath string) (*Composite, error) {
c := &Composite{
AssetManager: am,
baseType: baseType,
basePath: baseString(baseType),
token: token,
palettePath: palettePath,
}
return c, nil
}
// LoadFont loads a font the resource files
func (am *AssetManager) LoadFont(tablePath, spritePath, palettePath string) (d2interface.Font, error) {
return am.fontManager.LoadFont(tablePath, spritePath, palettePath)
}
// LoadPalette loads a palette from a given palette path
func (am *AssetManager) LoadPalette(palettePath string) (d2interface.Palette, error) {
return am.paletteManager.LoadPalette(palettePath)
}
func (am *AssetManager) BindTerminalCommands(term d2interface.Terminal) error {
if err := term.BindAction("assetspam", "display verbose asset manager logs", func(verbose bool) {
if verbose {
term.OutputInfof("asset manager verbose logging enabled")
} else {
term.OutputInfof("asset manager verbose logging disabled")
}
am.archiveManager.GetCache().SetVerbose(verbose)
am.archivedFileManager.GetCache().SetVerbose(verbose)
am.paletteManager.GetCache().SetVerbose(verbose)
am.paletteTransformManager.cache.SetVerbose(verbose)
am.animationManager.GetCache().SetVerbose(verbose)
}); err != nil {
return err
}
if err := term.BindAction("assetstat", "display asset manager cache statistics", func() {
var cacheStatistics = func(c d2interface.Cache) float64 {
const percent = 100.0
return float64(c.GetWeight()) / float64(c.GetBudget()) * percent
}
term.OutputInfof("archive cache: %f", cacheStatistics(am.archiveManager.GetCache()))
term.OutputInfof("file cache: %f", cacheStatistics(am.archivedFileManager.GetCache()))
term.OutputInfof("palette cache: %f", cacheStatistics(am.paletteManager.GetCache()))
term.OutputInfof("palette transform cache: %f", cacheStatistics(am.paletteTransformManager.
cache))
term.OutputInfof("animation cache: %f", cacheStatistics(am.animationManager.GetCache()))
term.OutputInfof("font cache: %f", cacheStatistics(am.fontManager.GetCache()))
}); err != nil {
return err
}
if err := term.BindAction("assetclear", "clear asset manager cache", func() {
am.archiveManager.ClearCache()
am.archivedFileManager.GetCache().Clear()
am.paletteManager.ClearCache()
am.paletteTransformManager.cache.Clear()
am.animationManager.ClearCache()
am.fontManager.ClearCache()
}); err != nil {
return err
}
return nil
}