37 lines
1.0 KiB
Go
37 lines
1.0 KiB
Go
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package block
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import (
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"fmt"
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"github.com/df-mc/dragonfly/server/internal/nbtconv"
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"github.com/df-mc/dragonfly/server/item"
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)
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// BannerPatternLayer is a wrapper over BannerPatternType with a colour property.
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type BannerPatternLayer struct {
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// Type represents the type of banner pattern.
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Type BannerPatternType
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// Colour is the colour the pattern should be rendered in.
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Colour item.Colour
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}
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// EncodeNBT encodes the given BannerPatternLayer into an NBT map.
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func (b BannerPatternLayer) EncodeNBT() map[string]any {
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return map[string]any{
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"Pattern": bannerPatternID(b.Type),
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"Color": int32(invertColour(b.Colour)),
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}
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}
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// DecodeNBT decodes the given NBT map into a BannerPatternLayer and returns it.
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func (b BannerPatternLayer) DecodeNBT(data map[string]any) any {
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id := nbtconv.String(data, "Pattern")
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pattern, exists := BannerPatternByID(id)
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if !exists {
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panic(fmt.Errorf("unknown banner pattern id %q", id))
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}
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b.Type = pattern
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b.Colour = invertColourID(int16(nbtconv.Int32(data, "Color")))
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return b
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}
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