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app.go
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package flow
import (
"github.com/unitoftime/ecs"
)
// type Stage uint8
// const (
// StageStartup Stage = iota
// StagePreFixedUpdate
// StageFixedUpdate
// StagePostFixedUpdate
// StageUpdate
// )
type App struct {
world *ecs.World
scheduler *ecs.Scheduler
}
func NewApp() *App {
world := ecs.NewWorld()
scheduler := ecs.NewScheduler(world)
ecs.PutResource(world, scheduler)
// scheduler.SetFixedTimeStep(4 * time.Millisecond)
app := &App{
world: world,
scheduler: scheduler,
}
return app
}
func (a *App) Run() {
// fmt.Printf("%+v", a.startupSystems)
// fmt.Printf("%+v", a.scheduler)
a.scheduler.Run()
}
type Plugin interface {
Initialize(world *ecs.World)
}
func (a *App) AddPlugin(plugin Plugin) {
plugin.Initialize(a.world)
}
func (a *App) AddSystems(stage ecs.Stage, systems ...ecs.SystemBuilder) {
a.scheduler.AddSystems(stage, systems...)
// for _, sys := range systems {
// system := sys.Build(a.world)
// switch stage {
// case StageStartup:
// a.startupSystems = append(a.startupSystems, system)
// case StageFixedUpdate:
// a.scheduler.AppendPhysics(system)
// case StageUpdate:
// a.scheduler.AppendRender(system)
// }
// }
}
// func (a *App) AddSystems2(stage Stage, systems ...ecs.System) {
// for _, system := range systems {
// switch stage {
// case StageStartup:
// a.startupSystems = append(a.startupSystems, system)
// case StageFixedUpdate:
// a.scheduler.AppendPhysics(system)
// case StageUpdate:
// a.scheduler.AppendRender(system)
// }
// }
// }
// func (a *App) AddSystems(stage Stage, systems ...func(*ecs.World) ecs.System) {
// for _, sys := range systems {
// system := sys(a.world)
// switch stage {
// case StageStartup:
// a.startupSystems = append(a.startupSystems, system)
// case StageFixedUpdate:
// a.scheduler.AppendPhysics(system)
// case StageUpdate:
// a.scheduler.AppendRender(system)
// }
// }
// }
// func (a *App) SetSystems(stage Stage, systems ...func(*ecs.World) ecs.System) {
// for _, sys := range systems {
// system := sys(a.world)
// switch stage {
// case StageStartup:
// a.startupSystems = append(a.startupSystems, system)
// case StageFixedUpdate:
// a.scheduler.AppendPhysics(system)
// case StageUpdate:
// a.scheduler.AppendRender(system)
// }
// }
// }
// // func AddSystems1[A ecs.Initializer](a *App, stage Stage, lambda func(time.Duration, A)) {
// // system := ecs.NewSystem1(a.world, lambda)
// // switch stage {
// // case StageStartup:
// // a.startupSystems = append(a.startupSystems, system)
// // case StageFixedUpdate:
// // a.scheduler.AppendPhysics(system)
// // case StageUpdate:
// // a.scheduler.AppendRender(system)
// // }
// // }
// func AddResource[T any](a *App, t *T) {
// ecs.PutResource(a.world, t)
// }
// func System1[A ecs.Initializer](sysFunc func(time.Duration, A)) func(*ecs.World) ecs.System {
// return func(world *ecs.World) ecs.System {
// ecs.NewSystem1(world, sysFunc)
// }
// }
// func System[A, B ecs.Initializer](sysFunc func(time.Duration, A, B)) func(*ecs.World) ecs.System {
// return func(world *ecs.World) ecs.System {
// ecs.NewSystem2(world, sysFunc)
// }
// }