62 lines
1.3 KiB
Go
62 lines
1.3 KiB
Go
package d2asset
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import (
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"errors"
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"fmt"
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"path/filepath"
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"strings"
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)
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type animationManager struct {
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cache *cache
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}
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func createAnimationManager() *animationManager {
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return &animationManager{cache: createCache(AnimationBudget)}
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}
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func (sm *animationManager) loadAnimation(animationPath, palettePath string, transparency int) (*Animation, error) {
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cachePath := fmt.Sprintf("%s;%s;%d", animationPath, palettePath, transparency)
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if animation, found := sm.cache.retrieve(cachePath); found {
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return animation.(*Animation).clone(), nil
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}
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var animation *Animation
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switch strings.ToLower(filepath.Ext(animationPath)) {
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case ".dc6":
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dc6, err := loadDC6(animationPath, palettePath)
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if err != nil {
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return nil, err
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}
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animation, err = createAnimationFromDC6(dc6)
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if err != nil {
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return nil, err
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}
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case ".dcc":
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dcc, err := loadDCC(animationPath)
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if err != nil {
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return nil, err
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}
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palette, err := loadPalette(palettePath)
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if err != nil {
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return nil, err
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}
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animation, err = createAnimationFromDCC(dcc, palette, transparency)
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if err != nil {
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return nil, err
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}
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default:
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return nil, errors.New("unknown animation format")
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}
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if err := sm.cache.insert(cachePath, animation.clone(), 1); err != nil {
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return nil, err
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}
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return animation, nil
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}
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