116 lines
2.2 KiB
TypeScript
116 lines
2.2 KiB
TypeScript
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module mod_vtm_aufbau
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{
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/**
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* @author kcf <vidofnir@folksprak.org>
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*/
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export class klasse_leser
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implements schnittstelle_aktor
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{
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/**
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* @author kcf <vidofnir@folksprak.org>
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*/
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private richtung : typ_richtung;
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/**
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* @author kcf <vidofnir@folksprak.org>
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*/
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private symbol_links : typ_symbol;
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/**
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* @author kcf <vidofnir@folksprak.org>
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*/
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private symbol_rechts : typ_symbol;
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/**
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* @author kcf <vidofnir@folksprak.org>
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*/
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public constructor(richtung : typ_richtung = 0, symbol_links : typ_symbol = 0, symbol_rechts : typ_symbol = 1)
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{
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this.richtung = richtung;
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this.symbol_links = symbol_links;
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this.symbol_rechts = symbol_rechts;
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}
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/**
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* @author kcf <vidofnir@folksprak.org>
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*/
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public richtung_lesen() : typ_richtung
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{
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return this.richtung;
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}
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/**
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* @author kcf <vidofnir@folksprak.org>
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*/
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public symbol_links_lesen() : typ_symbol
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{
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return this.symbol_links;
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}
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/**
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* @author kcf <vidofnir@folksprak.org>
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*/
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public symbol_rechts_lesen() : typ_symbol
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{
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return this.symbol_rechts;
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}
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/**
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* @author kcf <vidofnir@folksprak.org>
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* @implementation
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*/
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public drehen() : void
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{
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this.richtung = richtung_addieren(this.richtung, +1);
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}
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/**
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* @author kcf <vidofnir@folksprak.org>
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* @implementation
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*/
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public verwenden(figur : klasse_figur) : void
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{
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let symbol_ : schnittstelle_fehlermonade<typ_symbol> = figur.lesen();
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let summand : typ_richtung;
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if (symbol_.ist_schlicht())
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{
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let symbol : typ_symbol = symbol_.lesen();
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figur.schieben();
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if (symbol === this.symbol_links)
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{
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summand = +2;
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}
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else if (symbol === this.symbol_rechts)
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{
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summand = -2;
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}
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else
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{
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summand = 0;
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}
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}
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else
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{
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summand = 0;
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}
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let richtung : typ_richtung = richtung_addieren(this.richtung, summand);
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figur.bewegen(richtung);
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}
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}
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}
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