remove demo game

state.def.go

@@ -0,0 +1,27 @@
+package pncdsl
+
+type State struct {
+	flags   map[string]bool
+	vars    map[string]any
+	visited map[string]int
+	talked  map[string]int
+}
+
+func NewState() *State {
+	return &State{
+		flags:   make(map[string]bool),
+		vars:    make(map[string]any),
+		visited: make(map[string]int),
+		talked:  make(map[string]int),
+	}
+}
+
+func (s *State) Flag(name string) bool    { return s.flags[name] }
+func (s *State) SetFlag(name string)      { s.flags[name] = true }
+func (s *State) ClearFlag(name string)    { delete(s.flags, name) }
+func (s *State) Var(name string) any      { return s.vars[name] }
+func (s *State) SetVar(name string, v any) { s.vars[name] = v }
+func (s *State) Visited(name string) int  { return s.visited[name] }
+func (s *State) NoteVisit(name string)    { s.visited[name]++ }
+func (s *State) Talked(node string) int   { return s.talked[node] }
+func (s *State) NoteTalked(node string)   { s.talked[node]++ }