Different descriptions for the same room

01_text_adventure/Makefile

@@ -3,7 +3,7 @@ CFLAGS=-Wall -lraylib -lGL -lm -lpthread -ldl -lrt -lX11
 
 .PHONY: clean run
 
-game: data/actions.c data/rooms.c data/words.c data/flags.c *.c
+game: data/actions.c data/rooms.c data/room_ins.c data/words.c data/flags.c *.c
 	$(CC) *.c $(CFLAGS) -o game
 
 data/%.c: data/%.txt

01_text_adventure/data/actions.txt

@@ -6,9 +6,10 @@ EAST | * | 1 | You can't go east from here. |
 WEST | * | 1 | You can't go west from here. |
 NORTH | IN(FIRST_ROOM) | 10 | You head through the door. | GOTO(SECOND_ROOM)
 SOUTH | IN(SECOND_ROOM) | 10 | You head back through the door. | GOTO(FIRST_ROOM)
-EAST | IN(FIRST_ROOM) | 10 | You crouch under the beam and enter the room. | GOTO(LAST_ROOM)
-WEST | IN(LAST_ROOM) | 10 | You crouch under the beam and return to the room. | GOTO(FIRST_ROOM)
+EAST | IN(FIRST_ROOM) & ENABLED(LEVER_PULLED) | 20 | You crouch under the portcullis and enter the room. | GOTO(LAST_ROOM)
+EAST | IN(FIRST_ROOM) | 10 | There is a portcullis in the way. |
+WEST | IN(LAST_ROOM) | 10 | You crouch under the portcullis and return to the room. | GOTO(FIRST_ROOM)
 PULL       | *                                      | 1    | You don't see anything to pull |
 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)                         | 100  | You pull the lever and the portcullis raises up most of the way. | ENABLE(LEVER_PULLED)
 PULL LEVER | IN(FIRST_ROOM) & ENABLED(LEVER_PULLED) | 1000 | You already pulled it.    |

01_text_adventure/data/room_ins.txt

@@ -0,0 +1,4 @@
+FIRST_ROOM  | *                     | 1  | This is a plain room. A doorway is on the north wall, and a portcullis obstructing a doorway to the east.
+FIRST_ROOM  | ENABLED(LEVER_PULLED) | 10 | This is a plain room. A doorway is on the north wall, and the doorway once obstructed by the portcullis is to the east.
+SECOND_ROOM | *                     | 1 | This is a small room. It's painted blue. There's a doorway on the south wall.
+LAST_ROOM   | *                     | 1 | This room is in disrepair. A doorway is open to the west.

01_text_adventure/data/rooms.txt

@@ -1,3 +1,3 @@
-FIRST_ROOM|This is a plain room. A wooden door is on the north wall, and a beam semi-obstructs an open doorway to the east.
-SECOND_ROOM|This is a small room. It's painted blue. There's a door on the south wall.
-LAST_ROOM|This room is in disrepair. A beam partially blocks the doorway to the west.
+FIRST_ROOM
+SECOND_ROOM
+LAST_ROOM

01_text_adventure/effect.c

@@ -4,6 +4,7 @@
 #include "game.h"
 #include "flag.h"
 #include "effect.h"
+#include "room_in.h"
 
 void cause_effect(Game *g, Effect *e) {
   if (e == NULL) return;
@@ -30,7 +31,8 @@ void cause_effect(Game *g, Effect *e) {
     g->should_close = true;
     break;
   case EFFECT_LOOK_ROOM:
-    push_line_to_log(g->input->log, g->current_room->description);
+    // TODO 
+    push_line_to_log(g->input->log, find_room_in(g)->description);
     break;
   }
 }

01_text_adventure/game.c

@@ -20,6 +20,7 @@ Game *game_create(void) {
   game_load_flags(g);
   game_load_actions(g);
   game_load_rooms(g);
+  game_load_room_ins(g);
 
   Log *log = create_log();
   g->log = log;

01_text_adventure/game.h

@@ -17,6 +17,7 @@ typedef enum CommandType {
 
 #include "input.h"
 #include "room.h"
+#include "room_in.h"
 #include "log.h"
 #include "word.h"
 #include "flag.h"
@@ -27,6 +28,7 @@ struct Game {
   Input *input;
   Log *log;
   Rooms *rooms;
+  RoomIns *room_ins;
   Room *current_room;
   Words *words;
   Flags *flags;

01_text_adventure/room.c

@@ -11,10 +11,6 @@ void load_room(Game *g, char *line) {
   g->rooms->rooms[g->rooms->count].name = malloc(strlen(token) + 1);
   strcpy(g->rooms->rooms[g->rooms->count].name, token);
 
-  token = strtok(NULL, "|");
-  g->rooms->rooms[g->rooms->count].description = malloc(strlen(token) + 1);
-  strcpy(g->rooms->rooms[g->rooms->count].description, token);
-
   g->rooms->count++;
 }
 
@@ -29,7 +25,6 @@ void game_load_rooms(Game *g) {
 
 void free_room(Room r) {
   free(r.name);
-  free(r.description);
 }
 
 void free_rooms(Rooms r) {

01_text_adventure/room.h

@@ -6,7 +6,6 @@ typedef struct Rooms Rooms;
 
 struct Room {
   char *name;
-  char *description;
 };
 
 struct Rooms {

01_text_adventure/room_in.c

@@ -0,0 +1,71 @@
+#include <string.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "game.h"
+#include "room_in.h"
+#include "util.h"
+
+void load_room_in(Game *g, char *line) {
+  RoomIn *ri = &g->room_ins->room_ins[g->room_ins->count];
+  ri->predicates_count = 0;
+
+  char *line_token_guy;
+  char *line_token = strtok_r(line, "|", &line_token_guy);
+
+  Room *r = find_room(g->rooms, line_token);
+  g->room_ins->room_ins[g->room_ins->count].room = r;
+
+  line_token = strtok_r(NULL, "|", &line_token_guy);
+
+  char *room_in_token_guy;
+  char room_in_buffer[200];
+  strcpy(room_in_buffer, line_token);
+  char *room_in_word = strtok_r(room_in_buffer, " &", &room_in_token_guy);
+  while (room_in_word != NULL) {
+    Predicate *p = create_predicate(g, room_in_word);
+    ri->predicates[ri->predicates_count++] = p;
+    room_in_word = strtok_r(NULL, " &", &room_in_token_guy);
+  }
+
+  line_token = strtok_r(NULL, "|", &line_token_guy);
+  ri->priority = atoi(line_token);
+
+  line_token = strtok_r(NULL, "|", &line_token_guy);
+  g->room_ins->room_ins[g->room_ins->count].description = malloc(strlen(line_token) + 1);
+  strcpy(g->room_ins->room_ins[g->room_ins->count].description, line_token);
+
+  g->room_ins->count++;
+}
+
+#include "data/room_ins.c"
+void game_load_room_ins(Game *g) {
+  g->room_ins = malloc(sizeof(RoomIns));
+  g->room_ins->count = 0;
+  parse_multiline_string(g, data_room_ins_txt, &load_room_in);
+  printf("loaded room ins\n");
+}
+
+RoomIn *find_room_in(Game *g) {
+  RoomIn *ri;
+  int priority = -1;
+  bool failed_predicate;
+  for (int i = 0; i < g->room_ins->count; i++) {
+    RoomIn *cri = &g->room_ins->room_ins[i];
+    if (cri->priority < priority) continue;
+    if (cri->room != g->current_room) continue;
+    failed_predicate = false;
+
+    for (int j = 0; j < cri->predicates_count; j++) {
+      if (!predicate_fulfilled(g, cri->predicates[j])) failed_predicate = true;
+    }
+    if (failed_predicate) break;
+    priority = cri->priority;
+    ri = cri;
+  }
+
+  if (ri) return ri;
+  
+  printf("Couldn't find a valid room_in\n");
+  return &g->room_ins->room_ins[0];
+}

01_text_adventure/room_in.h

@@ -0,0 +1,28 @@
+#ifndef _FD_ROOM_IN_
+#define _FD_ROOM_IN_
+
+typedef struct RoomIn RoomIn;
+typedef struct RoomIns RoomIns;
+
+#include "game.h"
+#include "room.h"
+#include "predicate.h"
+
+struct RoomIn {
+  Room *room;
+  Predicate *predicates[10];
+  int predicates_count;
+  int priority;
+  char *description;
+};
+
+struct RoomIns {
+  RoomIn room_ins[200];
+  int count;
+};
+
+void game_load_room_ins(Game *g);
+RoomIns *find_room_ins(Room *r);
+RoomIn *find_room_in(Game *g);
+
+#endif