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Feature pl2 asset manager (OpenDiablo2#319)
* adding pl2 as a fiel format and an asset manager for pl2 files * adding pl2 as a file format and an asset manager for pl2 files * pl2 asset manager and file format * added call in main.go to load palette transforms * removed incorrect PaletteTransformType declarations from main.go * removingn bad resource path for palette transform * PL2 file format added, added to asset management PL2 files are beside palette files in the mpq These files define palette transforms of their respective base palette. I've bound a command to d2term (in d2asset.go) load_pl2 <path> * Clean up PL2 asset stuff removed pl2 stuff from d2datadict, didn't belong in there removed d2term debug binding * minor cleanup for d2pl2
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,63 @@ | ||
| package d2pl2 | ||
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| import ( | ||
| "encoding/binary" | ||
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| "github.com/go-restruct/restruct" | ||
| ) | ||
|
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| type PL2File struct { | ||
| BasePalette PL2Palette | ||
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| LightLevelVariations [32]PL2PaletteTransform | ||
| InvColorVariations [16]PL2PaletteTransform | ||
| SelectedUintShift PL2PaletteTransform | ||
| AlphaBlend [3][256]PL2PaletteTransform | ||
| AdditiveBlend [256]PL2PaletteTransform | ||
| MultiplicativeBlend [256]PL2PaletteTransform | ||
| HueVariations [111]PL2PaletteTransform | ||
| RedTones PL2PaletteTransform | ||
| GreenTones PL2PaletteTransform | ||
| BlueTones PL2PaletteTransform | ||
| UnknownVariations [14]PL2PaletteTransform | ||
| MaxComponentBlend [256]PL2PaletteTransform | ||
| DarkendColorShift PL2PaletteTransform | ||
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| TextColors [13]PL2Color24Bits | ||
| TextColorShifts [13]PL2PaletteTransform | ||
| } | ||
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| type PL2Color struct { | ||
| R uint8 | ||
| G uint8 | ||
| B uint8 | ||
| _ uint8 | ||
| } | ||
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| type PL2Color24Bits struct { | ||
| R uint8 | ||
| G uint8 | ||
| B uint8 | ||
| } | ||
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| type PL2Palette struct { | ||
| Colors [256]PL2Color | ||
| } | ||
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| type PL2PaletteTransform struct { | ||
| Indices [256]uint8 | ||
| } | ||
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| // uses restruct to read the binary dc6 data into structs | ||
| func LoadPL2(data []byte) (*PL2File, error) { | ||
| result := &PL2File{} | ||
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| restruct.EnableExprBeta() | ||
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| err := restruct.Unpack(data, binary.LittleEndian, &result) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
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| return result, nil | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,37 @@ | ||
| package d2asset | ||
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| import ( | ||
| "github.com/OpenDiablo2/OpenDiablo2/d2common" | ||
| "github.com/OpenDiablo2/OpenDiablo2/d2common/d2fileformats/d2pl2" | ||
| ) | ||
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| type paletteTransformManager struct { | ||
| cache *d2common.Cache | ||
| } | ||
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| const ( | ||
| paletteTransformBudget = 64 | ||
| ) | ||
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| func createPaletteTransformManager() *paletteTransformManager { | ||
| return &paletteTransformManager{d2common.CreateCache(paletteTransformBudget)} | ||
| } | ||
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| func (pm *paletteTransformManager) loadPaletteTransform(path string) (*d2pl2.PL2File, error) { | ||
| if pl2, found := pm.cache.Retrieve(path); found { | ||
| return pl2.(*d2pl2.PL2File), nil | ||
| } | ||
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| data, err := LoadFile(path); | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
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| pl2, err := d2pl2.LoadPL2(data) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
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| pm.cache.Insert(path, pl2, 1) | ||
| return pl2, nil | ||
| } |