63 lines
1.2 KiB
Go
63 lines
1.2 KiB
Go
package sceneio
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import (
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"aego/format/aetext"
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"aego/scene"
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"aego/schema"
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)
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type UnknownComponent struct {
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TypeName string
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Version int
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Fields []aetext.Field
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Blocks []*aetext.Node
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}
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type Unknown struct {
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Components []UnknownComponent `aego:"-"`
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}
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func RegisterUnknown(t *scene.Types) error {
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if err := scene.RegisterComponent[Unknown](t,
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schema.Name("engine.Unknown"),
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schema.Doc("holds components whose type is not registered in this build"), schema.Clone(cloneUnknown)); err != nil {
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return err
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}
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return RegisterPrefab(t)
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}
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func cloneUnknown(dst, src *Unknown) {
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if src.Components == nil {
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dst.Components = nil
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return
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}
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dst.Components = make([]UnknownComponent, len(src.Components))
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for i, c := range src.Components {
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c.Fields = cloneFields(c.Fields)
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c.Blocks = cloneNodes(c.Blocks)
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dst.Components[i] = c
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}
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}
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func cloneFields(fs []aetext.Field) []aetext.Field {
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if fs == nil {
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return nil
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}
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out := make([]aetext.Field, len(fs))
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for i, f := range fs {
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out[i] = aetext.Field{Name: f.Name, Value: f.Value.Clone(), Pos: f.Pos}
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}
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return out
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}
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func cloneNodes(ns []*aetext.Node) []*aetext.Node {
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if ns == nil {
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return nil
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}
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out := make([]*aetext.Node, len(ns))
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for i, n := range ns {
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out[i] = n.Clone()
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}
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return out
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}
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