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move registerComponent

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This commit is contained in:
Josh Deprez 2021-08-27 16:59:20 +10:00
parent d564ee08d4
commit ee12b90f1e
1 changed files with 30 additions and 30 deletions
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60
engine/game.go
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@ -55,36 +55,6 @@ func (g *Game) Update() error {
return g.Root.Update() return g.Root.Update()
} }
func (g *Game) registerComponent(c interface{}, path []interface{}) error {
// register in g.dex
ct := reflect.TypeOf(c)
for _, b := range Behaviours {
if !ct.Implements(b) {
continue
}
// TODO: sub-quadratic?
for _, p := range append(path, c) {
k := dexKey{p, b}
g.dex[k] = append(g.dex[k], c)
}
}
// register in g.db
i, ok := c.(Identifier)
if !ok {
return nil
}
id := i.Ident()
if id == "" {
return nil
}
if _, exists := g.db[id]; exists {
return fmt.Errorf("duplicate id %q", id)
}
g.db[id] = i
return nil
}
// Component returns the component with a given ID, or nil if there is none. // Component returns the component with a given ID, or nil if there is none.
// This only returns sensible values after LoadAndPrepare. // This only returns sensible values after LoadAndPrepare.
func (g *Game) Component(id string) Identifier { func (g *Game) Component(id string) Identifier {
@ -160,3 +130,33 @@ func (g *Game) LoadAndPrepare(assets fs.FS) error {
} }
return nil return nil
} }
func (g *Game) registerComponent(c interface{}, path []interface{}) error {
// register in g.dex
ct := reflect.TypeOf(c)
for _, b := range Behaviours {
if !ct.Implements(b) {
continue
}
// TODO: sub-quadratic?
for _, p := range append(path, c) {
k := dexKey{p, b}
g.dex[k] = append(g.dex[k], c)
}
}
// register in g.db
i, ok := c.(Identifier)
if !ok {
return nil
}
id := i.Ident()
if id == "" {
return nil
}
if _, exists := g.db[id]; exists {
return fmt.Errorf("duplicate id %q", id)
}
g.db[id] = i
return nil
}