// feed.js
(function () {
/*global adventurejs A*/
/**
* @augments {adventurejs.Verb}
* @class feed
* @ajsnode game.dictionary.verbs.feed
* @ajsconstruct MyGame.createVerb({ "name": "feed", [...] });
* @ajsconstructedby adventurejs.Dictionary#createVerb
* @hideconstructor
* @ajsinstanceof Verb
* @ajsnavheading ConsumptionVerbs
* @summary Verb meaning feed a character.
* @todo Full logic, this is just a skeleton.
* @tutorial Scripting_VerbSubscriptions
* @tutorial Verbs_VerbAnatomy
* @tutorial Verbs_VerbProcess
* @tutorial Verbs_ModifyVerbs
* @tutorial Verbs_WriteVerbs
* @classdesc
* <pre class="display border outline">
* <span class="input">> feed lettuce to turtle</span>
* You feed the lettuce to the turtle. It chews contemplatively.
* </pre>
* <p>
* <strong>Feed</strong> a
* {@link adventurejs.Tangible|Tangible} or
* {@link adventurejs.Substance|Substance}
* {@link adventurejs.Asset|Asset} to an
* {@link adventurejs.NPC|NPC} Asset. Feed tries to recognize
* these sentence structures: "feed thing to character",
* "feed character thing", "feed character (infer thing)",
* and "feed thing (infer to character)". If the asset to be
* eaten is subscribed to verb eat and has its
* <code>asset.dov.eat.with_params.on_eat_destroy</code>
* property set to true, the asset will be destroyed.
* </p>
* @ajsverbreactions
* @ajsverbphases doBeforeTry, doAfterTry, doBeforeSuccess, doAfterSuccess
*/
A.Preverbs.feed = {
name: "feed",
prettyname: "feed",
past_tense: "fed",
synonyms: [],
gerund: "feeding",
/**
* @ajsverbstructures
* @memberof feed
*/
accepts_structures: [
"verb noun",
"verb noun noun",
"verb noun preposition noun",
],
/**
* @memberof feed
* @ajsverbphrase
* phrase1:
* {
* accepts_noun:true,
* requires_noun:true,
* noun_must_be:
* {
* known: true,
* tangible: true,
* present: true,
* reachable: true,
* },
* },
*/
phrase1: {
accepts_noun: true,
requires_noun: true,
noun_must_be: {
known: true,
tangible: true,
present: true,
reachable: true,
},
},
/**
* @memberof feed
* @ajsverbphrase
* phrase2:
* {
* accepts_noun:true,
* noun_must_be:
* {
* known: true,
* tangible: true,
* present: true,
* reachable: true,
* },
* accepts_preposition: true,
* requires_preposition: true,
* accepts_these_prepositions: ["with", "to"],
* },
*/
phrase2: {
accepts_noun: true,
noun_must_be: {
known: true,
tangible: true,
present: true,
reachable: true,
},
accepts_preposition: true,
accepts_these_prepositions: ["with", "to"],
},
/**
* @memberof feed
* @ajsverbparams
* with_params: {},
*/
with_params: {},
doTry: function () {
var input = this.game.getInput();
var subject = input.getSubject();
var verb_phrase = input.verb_phrase;
var direct_object = input.getAsset(1);
var indirect_object = input.getAsset(2);
var direct_preposition = input.getPreposition(1);
var indirect_preposition = input.getPreposition(2);
var indirect_inferred;
var results;
var msg = "";
// look for a character and a food
// feed thing to character
// feed character with thing
// feed character thing (feed horse oats)
// sentence structure: verb noun preposition noun
if (input.hasStructure("verb noun preposition noun")) {
// we prefer "feed character with food" but if player
// input "feed food to character" we'll allow it
if (
indirect_preposition === "to" &&
(indirect_object.hasClass("Character") ||
indirect_object.isDOV(this.name))
) {
input.swapPhrases(1, 2);
input.setPreposition(1, "");
input.setPreposition(2, "with");
direct_object = input.getAsset(1);
indirect_object = input.getAsset(2);
direct_preposition = input.getPreposition(1);
indirect_preposition = input.getPreposition(2);
}
}
// verb enabled?
if (!direct_object.isDOV(this.name)) {
this.game.debug(
`D2119 | ${this.name}.js | ${direct_object.id}.dov.${this.name}.enabled is false `
);
msg += `$(We) can't ${this.name} ${direct_object.articlename}. `;
this.handleFailure(msg);
return null;
}
// sentence structure: verb noun
if (input.hasStructure("verb noun")) {
// can verb act without an indirect object?
if (direct_object.allowVerbWithNothing(this.name, "dov")) {
return true;
}
// indirect objects available?
if (!direct_object.hasIndirectObjects(this.name)) {
this.game.debug(
`D2118 | ${this.name}.js | ${direct_object.id}.dov.${this.name}.with_nothing is false `
);
msg += `$(We) $(don't) know of anything to ${this.name} ${direct_object.articlename} with. `;
this.handleFailure(msg);
return false;
}
// infer food?
results = this.tryToInferIndirectObject({
direct_object: direct_object,
context: subject,
handle_input: true,
});
if (results.prompt) {
this.game.debug(`D2119 | ${this.name}.js | soft prompt for noun2 `);
msg += `What would $(we) like to ${this.name} ${direct_object.articlename} with? `;
this.handleFailure(msg);
return false;
} else if (results.success) {
indirect_object = results.indirect_object;
indirect_preposition = "with";
indirect_inferred = true;
input.setAsset(2, indirect_object);
input.setPreposition(2, indirect_preposition);
input.setStructure("verb noun preposition noun");
this.game.printInferred(
`${indirect_preposition} ${indirect_object.articlename}`
);
}
} // verb noun
// sentence structure: verb noun preposition noun
if (input.hasStructure("verb noun noun")) {
indirect_preposition = "with";
input.setPreposition(2, "with");
input.setStructure("verb noun preposition noun");
}
// sentence structure: verb noun preposition noun
if (input.hasStructure("verb noun preposition noun")) {
// if ("with" === indirect_preposition) {
// is subject holding asset?
if (!this.game.parser.selectInHands(indirect_object.id).length) {
this.game.debug(
`D1280 | ${this.name}.js | ${indirect_object.id}.$is("inhands") is false `
);
msg += `$(We're) not holding ${indirect_object.articlename}. `;
this.handleFailure(msg);
return null;
}
// }
// works with any indirect object?
if (direct_object.allowVerbWithAnything(this.name, "dov")) {
return true;
}
// indirect object not required?
if (direct_object.allowVerbWithNothing(this.name, "dov")) {
this.game.debug(
`D2120 | ${this.name}.js | ${direct_object.id}.dov.${this.name}.with_nothing `
);
msg += `$(We) can't ${this.name} ${direct_object.articlename} ${indirect_preposition} ${indirect_object.articlename}. `;
this.handleFailure(msg);
return null;
}
// indirect object usable with direct object?
if (
!direct_object.allowVerbWithAsset(this.name, indirect_object, "dov")
) {
this.game.debug(
`D2121 | ${this.name}.js | ${direct_object.id}.dov.${this.name}.with_assets/with_classes does not include ${indirect_object.id} `
);
msg += `$(We) can't ${this.name} ${direct_object.articlename} ${indirect_preposition} ${indirect_object.articlename}. `;
this.handleFailure(msg);
return null;
}
// can indirect object be used?
if (!indirect_object.isIOV(this.name)) {
this.game.debug(
`D2122 | ${this.name}.js | ${indirect_object.id}.iov.${this.name}.enabled is false `
);
msg += `${indirect_object.Articlename} doesn't appear to be edible. `;
this.handleFailure(msg);
return false;
}
// single use indirect object?
if (
indirect_object.allowVerbOnce(this.name, "iov") &&
indirect_object.iDidVerb(this.name, "iov")
) {
this.game.debug(
`D1959 | ${this.name}.js | ${indirect_object.id}.iov.${
this.name
}.once and ${indirect_object.id}.did.${this.name}.indirectly is ${
indirect_object.did[this.name].indirectly
} `
);
msg += `${indirect_object.Articlename} has already been eaten enough. `;
this.handleFailure(msg);
return null;
}
}
return true;
},
doSuccess: function () {
var input = this.game.getInput();
var subject = input.getSubject();
var verb_phrase = input.verb_phrase;
var direct_object = input.getAsset(1);
var direct_preposition = input.getPreposition(1);
var indirect_object = input.getAsset(2);
var indirect_preposition = input.getPreposition(2);
var results;
var msg = "";
if (direct_object.dov.eat?.with_params.on_eat_destroy) {
direct_object.destroy();
}
// compose output
msg +=
`$(We) ${this.agree()}` +
`${direct_preposition ? " " + direct_preposition : ""}` +
`${direct_object ? " " + direct_object.articlename : ""}` +
`${indirect_preposition ? " " + indirect_preposition : ""}` +
`${indirect_object ? " " + indirect_object.articlename : ""}` +
`. `;
// print output
return this.handleSuccess(msg, direct_object);
},
};
})(); // feed_to