83 lines
1.8 KiB
Go
83 lines
1.8 KiB
Go
// Package scripting manages the JavaScript VMs for Doodad
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// scripts.
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package scripting
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import (
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"errors"
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"fmt"
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"time"
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"git.kirsle.net/apps/doodle/pkg/level"
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"git.kirsle.net/apps/doodle/pkg/log"
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)
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// Supervisor manages the JavaScript VMs for each doodad by its
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// unique ID.
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type Supervisor struct {
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scripts map[string]*VM
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}
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// NewSupervisor creates a new JavaScript Supervior.
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func NewSupervisor() *Supervisor {
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return &Supervisor{
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scripts: map[string]*VM{},
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}
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}
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// Loop the supervisor to invoke timer events in any running scripts.
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func (s *Supervisor) Loop() error {
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now := time.Now()
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for _, vm := range s.scripts {
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vm.TickTimer(now)
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}
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return nil
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}
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// InstallScripts loads scripts for all actors in the level.
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func (s *Supervisor) InstallScripts(level *level.Level) error {
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for _, actor := range level.Actors {
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if err := s.AddLevelScript(actor.ID()); err != nil {
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return err
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}
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}
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return nil
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}
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// AddLevelScript adds a script to the supervisor with level hooks.
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func (s *Supervisor) AddLevelScript(id string) error {
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log.Debug("InstallScripts: load script from Actor %s", id)
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if _, ok := s.scripts[id]; ok {
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return fmt.Errorf("duplicate actor ID %s in level", id)
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}
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s.scripts[id] = NewVM(id)
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if err := s.scripts[id].RegisterLevelHooks(); err != nil {
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return err
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}
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return nil
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}
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// To returns the VM for a named script.
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func (s *Supervisor) To(name string) *VM {
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if vm, ok := s.scripts[name]; ok {
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return vm
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}
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// TODO: put this log back in, but add PLAYER script so it doesn't spam
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// the console for missing PLAYER.
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// log.Error("scripting.Supervisor.To(%s): no such VM but returning blank VM",
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// name,
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// )
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return NewVM(name)
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}
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// GetVM returns a script VM from the supervisor.
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func (s *Supervisor) GetVM(name string) (*VM, error) {
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if vm, ok := s.scripts[name]; ok {
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return vm, nil
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}
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return nil, errors.New("not found")
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}
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