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register/unregister tweaks

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This commit is contained in:
Josh Deprez 2021-09-02 14:09:53 +10:00
parent d71db51d53
commit 60bbd14487
1 changed files with 11 additions and 15 deletions
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26
engine/game.go
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@ -319,6 +319,15 @@ func (g *Game) Register(component, parent interface{}) error {
}
func (g *Game) register(component, parent interface{}) error {
// register in g.byID if needed. nothing else errors so do this first
if i, ok := component.(Identifier); ok {
id := i.Ident()
if _, exists := g.byID[id]; exists {
return fmt.Errorf("duplicate id %q", id)
}
g.byID[id] = i
}
// register in g.par
if parent != nil {
g.par[component] = parent
@ -348,17 +357,6 @@ func (g *Game) register(component, parent interface{}) error {
g.byAB[k][component] = struct{}{}
}
}
// register in g.byID if needed
i, ok := component.(Identifier)
if !ok {
return nil
}
id := i.Ident()
if _, exists := g.byID[id]; exists {
return fmt.Errorf("duplicate id %q", id)
}
g.byID[id] = i
return nil
}
@ -408,11 +406,9 @@ func (g *Game) unregister(component interface{}) {
}
// unregister from g.byID if needed
i, ok := component.(Identifier)
if !ok {
return
}
if i, ok := component.(Identifier); ok {
delete(g.byID, i.Ident())
}
}
// --------- Helper stuff ---------