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a357bbd1f8
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a357bbd1f8 | |||
cc4f2584ed |
218
src/interact.c
218
src/interact.c
@ -102,71 +102,128 @@ int read_from_stdin(char *str, int length)
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void interact(int width)
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{
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/* Avant de permettre à l'utilisateur d'intéragir
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* avec la grille, encore faut-il la générer ! */
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grid *gd = init_grid(width);
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printf("Welcome to Catwalk CLI. Type 'help' or '?' to see all available commands.\n");
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char prompt[COMMAND_MAX_SIZE] = "";
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char buffer[COMMAND_MAX_SIZE] = "";
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refresh_grid(gd);
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init_player_route(gd);
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// Afficher un message de bienvenue et d'aide courte
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printf("Welcome to Catwalk CLI. Type 'help' or '?' to see all available commands.\n");
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/* Création des deux tableaux de caractères contenant les
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* entrées de l'utilisateur. Le premier sert à stocker
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* directement les entrées de l'utilisateur. Le second est
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* utilisé pour permettre la copie et la modification
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* du premier. */
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char prompt[COMMAND_MAX_SIZE] = "";
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char buffer[COMMAND_MAX_SIZE] = "";
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// Boucle principale
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for(;;)
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{
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// vérification de la non-vacuité de prompt
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if (is_whitespace(prompt))
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{
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printf("catwalk> ");
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printf("catwalk> "); // affichage
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// on met dans "prompt" l'entrée de l'utilisateur
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read_from_stdin(prompt, COMMAND_MAX_SIZE);
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/* on met une copie de "prompt" dans
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* "buffer" sans les espaces */
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ltrim(buffer, prompt);
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// on remet tout dans "prompt"
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strcpy(prompt, buffer);
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}
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else
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{
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/* Succession d'expressions conditionnelles.
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* Fonctionnement de l'entrée : l'utilisateur
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* entre une suite de commandes; elles sont
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* éxécutées successivement : par exemple,
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* "llurus" est éxécuté comme cela :
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* - "l" comme "left" (X2)
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* - "u" comme "up"
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* - "r" comme "right"
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* - "u" comme "up"
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* - "s" comme "show"
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* Pour éviter les problèmes du type :
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* prompt = "undo" : j'éxécute "u" pour "up"
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* -> prompt = "ndo": commande inconnue,
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* Les commandes en toutes lettres sont testées
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* avant les commandes abrégées. */
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if STR_STARTS_WITH(prompt, "help")
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{
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print_help();
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print_help(); // action correspondante
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/* on enlève "help" de prompt et décale
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* les caractères en conséquence */
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strcpy(buffer, prompt+strlen("help"));
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ltrim(prompt, buffer);
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}
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else if STR_STARTS_WITH(prompt, "?")
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{
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print_help();
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print_help(); // action correspondante
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/* on enlève "?" de prompt et décale
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* les caractères en conséquence */
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strcpy(buffer, prompt+strlen("?"));
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ltrim(prompt, buffer);
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}
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else if STR_STARTS_WITH(prompt, "show")
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{
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/* on affiche la grille, en précisant qu'elle
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* est interactive (afficher le chemin) */
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print_interactive_grid(gd);
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/* on enlève "show" de prompt et décale
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* les caractères en conséquence */
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strcpy(buffer, prompt+strlen("show"));
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ltrim(prompt, buffer);
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}
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else if STR_STARTS_WITH(prompt, "reset")
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{
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// Réinitialisation de la grille
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/* si le chemin du joueur ne
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* contient qu'un élément */
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if (gd->player_route->first->next == NULL)
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{
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// demander à jouer d'abord
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printf("Play first!\n");
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}
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else
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{
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/* supprimer récursivement tous les éléments
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* du chemin du joueur, sauf le premier */
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delete_element(gd->player_route->first->next);
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gd->player_route->first->next = NULL;
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gd->player_route->last = gd->player_route->first;
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}
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// supprimer "reset" de prompt
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strcpy(buffer, prompt+strlen("reset"));
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ltrim(prompt, buffer);
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}
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else if STR_STARTS_WITH(prompt, "route")
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{
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// afficher le chemin
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print_route(gd->player_route);
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// supprimer "route" de prompt
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strcpy(buffer, prompt+strlen("route"));
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ltrim(prompt, buffer);
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}
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else if (STR_STARTS_WITH(prompt, "exit") || STR_STARTS_WITH(prompt, "quit") || STR_STARTS_WITH(prompt, "q"))
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{
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// arrêter l'interaction
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break;
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}
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else if STR_STARTS_WITH(prompt, "undo")
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{
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// annulation imposible s'il n'y a qu'un unique élément
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if (gd->player_route->first->next == NULL)
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{
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printf("Can't undo! (single element)\n");
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@ -175,87 +232,129 @@ void interact(int width)
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{
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pop_back(gd->player_route);
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}
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strcpy(buffer, prompt+strlen("z"));
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// supprimer "undo" de prompt
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strcpy(buffer, prompt+strlen("undo"));
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ltrim(prompt, buffer);
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}
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else if STR_STARTS_WITH(prompt, "left")
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{
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/* tenter de se déplacer, et si erreur,
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* afficher le message correspondant */
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switch (move_left(gd->player_route))
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{
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case 1: puts("Cannot move: border of the grid"); break;
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case 2: puts("Cannot move: already went there"); break;
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}
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// supprimer "left" de prompt
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strcpy(buffer, prompt+strlen("left"));
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ltrim(prompt, buffer);
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}
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else if STR_STARTS_WITH(prompt, "right")
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{
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/* tenter de se déplacer, et si erreur,
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* afficher le message correspondant */
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switch (move_right(gd->player_route))
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{
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case 1: puts("Cannot move: border of the grid"); break;
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case 2: puts("Cannot move: already went there"); break;
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}
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// supprimer "right" de prompt
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strcpy(buffer, prompt+strlen("right"));
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ltrim(prompt, buffer);
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}
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else if STR_STARTS_WITH(prompt, "up")
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{
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/* tenter de se déplacer, et si erreur,
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* afficher le message correspondant */
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switch (move_up(gd->player_route))
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{
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case 1: puts("Cannot move: border of the grid"); break;
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case 2: puts("Cannot move: already went there"); break;
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}
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// supprimer "up" de prompt
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strcpy(buffer, prompt+strlen("up"));
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ltrim(prompt, buffer);
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}
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else if STR_STARTS_WITH(prompt, "down")
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{
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/* tenter de se déplacer, et si erreur,
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* afficher le message correspondant */
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switch (move_down(gd->player_route))
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{
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case 1: puts("Cannot move: border of the grid"); break;
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case 2: puts("Cannot move: already went there"); break;
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}
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// supprimer "down" de prompt
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strcpy(buffer, prompt+strlen("down"));
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ltrim(prompt, buffer);
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}
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else if STR_STARTS_WITH(prompt, "s")
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{
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// afficher la grille
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print_interactive_grid(gd);
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// supprimer "s" de prompt
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strcpy(buffer, prompt+strlen("s"));
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ltrim(prompt, buffer);
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}
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else if STR_STARTS_WITH(prompt, "l")
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{
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// se déplacer
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switch (move_left(gd->player_route))
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{
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case 1: puts("Cannot move: border of the grid"); break;
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case 2: puts("Cannot move: already went there"); break;
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}
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// MàJ de prompt
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strcpy(buffer, prompt+strlen("l"));
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ltrim(prompt, buffer);
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}
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else if STR_STARTS_WITH(prompt, "r")
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{
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// se déplacer
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switch (move_right(gd->player_route))
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{
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case 1: puts("Cannot move: border of the grid"); break;
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case 2: puts("Cannot move: already went there"); break;
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}
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// MàJ de prompt
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strcpy(buffer, prompt+strlen("r"));
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ltrim(prompt, buffer);
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}
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else if STR_STARTS_WITH(prompt, "u")
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{
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// se déplacer
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switch (move_up(gd->player_route))
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{
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case 1: puts("Cannot move: border of the grid"); break;
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case 2: puts("Cannot move: already went there"); break;
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}
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// MàJ de prompt
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strcpy(buffer, prompt+strlen("u"));
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ltrim(prompt, buffer);
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}
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else if STR_STARTS_WITH(prompt, "d")
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{
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switch (move_down(gd->player_route))
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{
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case 1: puts("Cannot move: border of the grid"); break;
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case 2: puts("Cannot move: already went there"); break;
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}
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strcpy(buffer, prompt+strlen("down"));
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ltrim(prompt, buffer);
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strcpy(buffer, prompt+strlen("d"));
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}
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else if STR_STARTS_WITH(prompt, "s")
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{
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print_interactive_grid(gd);
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strcpy(buffer, prompt+strlen("s"));
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ltrim(prompt, buffer);
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}
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else if STR_STARTS_WITH(prompt, "l")
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{
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switch (move_left(gd->player_route))
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{
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case 1: puts("Cannot move: border of the grid"); break;
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case 2: puts("Cannot move: already went there"); break;
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}
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strcpy(buffer, prompt+strlen("l"));
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ltrim(prompt, buffer);
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}
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else if STR_STARTS_WITH(prompt, "r")
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{
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switch (move_right(gd->player_route))
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{
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case 1: puts("Cannot move: border of the grid"); break;
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case 2: puts("Cannot move: already went there"); break;
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}
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strcpy(buffer, prompt+strlen("r"));
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ltrim(prompt, buffer);
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}
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else if STR_STARTS_WITH(prompt, "u")
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{
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switch (move_up(gd->player_route))
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{
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case 1: puts("Cannot move: border of the grid"); break;
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case 2: puts("Cannot move: already went there"); break;
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}
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strcpy(buffer, prompt+strlen("u"));
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ltrim(prompt, buffer);
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}
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else if STR_STARTS_WITH(prompt, "d")
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else if STR_STARTS_WITH(prompt, "z")
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{
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// annuler, mais seulement si possible
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if (gd->player_route->first->next == NULL)
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{
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printf("Can't undo! (single element)\n");
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@ -264,30 +363,25 @@ void interact(int width)
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{
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pop_back(gd->player_route);
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}
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strcpy(buffer, prompt+strlen("undo"));
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ltrim(prompt, buffer);
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}
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else if STR_STARTS_WITH(prompt, "z")
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{
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switch (move_down(gd->player_route))
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{
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case 1: puts("Cannot move: border of the grid"); break;
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case 2: puts("Cannot move: already went there"); break;
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}
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strcpy(buffer, prompt+strlen("d"));
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// MàJ de prompt
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strcpy(buffer, prompt+strlen("z"));
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ltrim(prompt, buffer);
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}
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else
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{
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// afficher un message d'erreur
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printf("Unrecognized command : '%s'!\n", prompt);
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prompt[0] = '\0';
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prompt[0] = '\0'; // effacer prompt
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}
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}
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if (gd->player_route->last->x == gd->end[0] && gd->player_route->last->y == gd->end[1])
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{
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print_interactive_grid(gd);
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print_interactive_grid(gd); // afficher à nouveau la grille
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// afficher un message de fin
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if (verify(gd))
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{
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printf("You won!\n");
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@ -297,11 +391,13 @@ void interact(int width)
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printf("You lost!\n");
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}
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// régénérer la grille
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random_start(gd);
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refresh_grid(gd);
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reset_player_route(gd);
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}
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}
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// Pour finir, détruire la grille
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delete_grid(gd);
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}
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