Make actions work!!

01_text_adventure/action.c

@@ -1,9 +1,11 @@
 #include <stdlib.h>
 #include <string.h>
+#include <stdio.h>
 #include "action.h"
 #include "effect.h"
 #include "predicate.h"
 #include "game.h"
+#include "parse.h"
 #include "util.h"
 
 void load_action(Game *g, char *line) {
@@ -62,6 +64,27 @@ void game_load_actions(Game *g) {
   parse_multiline_string(g, data_actions_txt, &load_action);
 }
 
-Action *find_action(Actions *actions, char *command) {
-  return NULL;
+Action *find_action(Game *g, const char *command) {
+  Command *c = parse(g, command);
+  int priority = -1;
+  Action *a = NULL;
+  bool failed_predicate;
+  for (int i = 0; i < g->actions->count; i++) {
+    Action *ca = &g->actions->actions[i];
+    if (ca->priority < priority) continue;
+    for (int j = 0; j < ca->words_count; j++) {
+      if (c->words[j] == NULL) break;
+      if (c->words[j] != ca->words[j]) break;
+      failed_predicate = false;
+      for (int k = 0; k < ca->predicates_count; k++) {
+	if (!predicate_fulfilled(g, ca->predicates[k])) failed_predicate = true;
+      }
+      if (failed_predicate) break;
+      if (j == ca->words_count - 1) {
+	priority = ca->priority;
+	a = ca;
+      }
+    }
+  }
+  return a;
 }

01_text_adventure/action.h

@@ -26,6 +26,6 @@ struct Actions {
 };
 
 void game_load_actions(Game *g);
-Action *find_action(Actions *actions, char *command);
+Action *find_action(Game *g, const char *command);
 
 #endif

01_text_adventure/data/actions.txt

@@ -1,4 +1,4 @@
 PULL       | *                                      | 1    | You don't see anything to pull |
-PULL       | IN(LEVER_ROOM)                         | 10   | What do you want to pull? |
-PULL LEVER | IN(LEVER_ROOM)                         | 100  | You pull the lever. Nice. | ENABLE(LEVER_PULLED)
-PULL LEVER | IN(LEVER_ROOM) & ENABLED(LEVER_PULLED) | 1000 | You already pulled it.    |
+PULL       | IN(FIRST_ROOM)                         | 10   | What do you want to pull? |
+PULL LEVER | IN(FIRST_ROOM)                         | 100  | You pull the lever. Nice. | ENABLE(LEVER_PULLED)
+PULL LEVER | IN(FIRST_ROOM) & ENABLED(LEVER_PULLED) | 1000 | You already pulled it.    |

01_text_adventure/game.c

@@ -11,6 +11,7 @@
 #include "flag.h"
 #include "predicate.h"
 #include "action.h"
+#include "parse.h"
 
 Game *game_create(void) {
   Game *g = malloc(sizeof(Game));
@@ -108,6 +109,20 @@ void game_handle_directional_command(Game *g, const char *c) {
 
 #define INVALID_COMMAND "I don't know how to %s"
 void game_handle_command(Game *g, const char *command) {
+  Action *a = find_action(g, command);
+  if (a) {
+    push_line_to_log(g->input->log, a->description);
+    for (int i = 0; i < a->effects_count; i++) {
+      cause_effect(g, a->effects[i]);
+    }
+  } else {
+    char *response = malloc(strlen(INVALID_COMMAND) + strlen(command) + 1);
+    sprintf(response, INVALID_COMMAND, command);
+    push_line_to_log(g->input->log, response);
+    free(response);
+  }
+  return;
+
   Input *input = g->input;
 
   switch (command_from_string(command)) {

01_text_adventure/parse.c

@@ -3,28 +3,27 @@
 #include <string.h>
 #include "game.h"
 #include "word.h"
+#include "parse.h"
+
+Command *parse(Game *g, const char *typed_command) {
+  Command *c = malloc(sizeof(Command));
+  for (int i = 0; i < MAX_WORDS_IN_COMMAND; i++) {
+    c->words[i] = NULL;
+  }
 
-#define MAX_WORDS_IN_COMMAND 4
-void parse(Game *g, char *typed_command) {
-  printf("Typed command: %s\n", typed_command);
   char *bluh = malloc(strlen(typed_command) + 1);
   strcpy(bluh, typed_command);
 
-  Word **command = malloc(MAX_WORDS_IN_COMMAND * sizeof(Word));
   int word_count = 0;
   char *token = strtok(bluh, " ");
 
   while (word_count < MAX_WORDS_IN_COMMAND && token != NULL) {
-    command[word_count] = find_word(g->words, token);
+    c->words[word_count] = find_word(g->words, token);
 
     word_count++;
     token = strtok(NULL, " ");
   }
 
-  for(int i = 0; i < word_count; i++) {
-    printf("%s ", command[i]->word);
-  }
-  printf("\n");
-
   free(bluh);
+  return c;
 }

01_text_adventure/parse.h

@@ -1,7 +1,15 @@
 #ifndef _FD_PARSE_
 #define _FD_PARSE_
-#include "game.h"
 
-void parse(Game *g, char *typed_command);
+typedef struct Command Command;
+
+#include "game.h"
+#include "word.h"
+
+#define MAX_WORDS_IN_COMMAND 4
+struct Command {
+  Word *words[4];
+};
+Command *parse(Game *g, const char *typed_command);
 
 #endif