80 lines
2.8 KiB
TypeScript
80 lines
2.8 KiB
TypeScript
import {MutableSignal, mutableSignal} from "@/utils/mutable-signal";
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import {
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Command,
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CommandRegistry, CommandResult,
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CommandRunnerContextExport,
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CommandSchema,
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createCommandRegistry,
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createCommandRunnerContext, parseCommandSchema,
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} from "@/utils/command";
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import {PromptValidator} from "@/utils/command/command-runner";
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import {Mulberry32RNG, ReadonlyRNG, RNG} from "@/utils/rng";
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export interface IGameContext<TState extends Record<string, unknown> = {} > {
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get value(): TState;
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get rng(): ReadonlyRNG;
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produce(fn: (draft: TState) => void): void;
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produceAsync(fn: (draft: TState) => void): Promise<void>;
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run<T>(input: string): Promise<CommandResult<T>>;
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runParsed<T>(command: Command): Promise<CommandResult<T>>;
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prompt: <TResult,TArgs extends any[]=any[]>(def: PromptDef<TArgs>, validator: PromptValidator<TResult,TArgs>, currentPlayer?: string | null) => Promise<TResult>;
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// test only
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_state: MutableSignal<TState>;
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_commands: CommandRunnerContextExport<IGameContext<TState>>;
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_rng: RNG;
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}
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export function createGameContext<TState extends Record<string, unknown> = {} >(
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commandRegistry: CommandRegistry<IGameContext<TState>>,
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initialState?: TState | (() => TState)
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): IGameContext<TState> {
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const stateValue = typeof initialState === 'function' ? initialState() : initialState ?? {} as TState;
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const state = mutableSignal(stateValue);
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let commands: CommandRunnerContextExport<IGameContext<TState>> = null as any;
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const context: IGameContext<TState> = {
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get value(): TState {
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return state.value;
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},
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get rng() {
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return this._rng;
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},
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produce(fn) {
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return state.produce(fn);
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},
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produceAsync(fn) {
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return state.produceAsync(fn);
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},
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run<T>(input: string) {
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return commands.run<T>(input);
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},
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runParsed<T>(command: Command) {
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return commands.runParsed<T>(command);
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},
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prompt(def, validator, currentPlayer) {
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return commands.prompt(def.schema, validator, def.hintText, currentPlayer);
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},
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_state: state,
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_commands: commands,
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_rng: new Mulberry32RNG(),
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};
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context._commands = commands = createCommandRunnerContext(commandRegistry, context);
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return context;
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}
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export type PromptDef<TArgs extends any[]=any[]> = {
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schema: CommandSchema,
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hintText?: string,
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}
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export function createPromptDef<TArgs extends any[]=any[]>(schema: CommandSchema | string, hintText?: string): PromptDef<TArgs> {
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schema = typeof schema === 'string' ? parseCommandSchema(schema) : schema;
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return { schema, hintText };
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}
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export function createGameCommandRegistry<TState extends Record<string, unknown> = {} >() {
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return createCommandRegistry<IGameContext<TState>>();
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} |