1 files changed, 88 insertions, 0 deletions
diff --git a/src/room.h b/src/room.h
new file mode 100644
index 0000000..ad7898f
--- /dev/null
+++ b/src/room.h
@@ -0,0 +1,88 @@
+/*
+ *   NetCosm - a MUD server
+ *   Copyright (C) 2016 Franklin Wei
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+
+typedef enum room_id { ROOM_NONE = -1 } room_id;
+
+typedef enum obj_id { OBJ_NONE = -1 } obj_id;
+
+enum direction_t { DIR_N = 0, DIR_NE, DIR_E, DIR_SE, DIR_S, DIR_SW, DIR_W, DIR_NW, DIR_UP, DIR_DN, DIR_IN, DIR_OT, NUM_DIRECTIONS };
+
+/* the data we get from a world module */
+struct roomdata_t {
+    /* the non-const pointers can be modified by the world module */
+    const char * const uniq_id;
+
+    /* mutable properties */
+    char *name;
+    char *desc;
+
+    const char * const adjacent[NUM_DIRECTIONS];
+
+    void (* const hook_init)(room_id id);
+    void (* const hook_enter)(room_id room, pid_t player);
+    void (* const hook_say)(room_id room, pid_t player, const char *msg);
+    void (* const hook_leave)(room_id room, pid_t player);
+};
+
+struct user_t {
+    struct child_data *data;
+    struct user_t *next;
+};
+
+struct object_t {
+    const char *class;
+    obj_id id;
+};
+
+struct verb_t {
+    const char *name;
+
+    /* toks is strtok_r's pointer */
+    void (*execute)(const char *toks);
+};
+
+struct room_t {
+    room_id id;
+    struct roomdata_t data;
+
+    room_id adjacent[NUM_DIRECTIONS];
+
+    /* arrays instead of linked lists because insertion should be rare for these */
+    size_t objects_sz;
+    struct object_t *objects;
+
+    size_t verbs_sz;
+    struct verb_t *verbs;
+
+    /* linked list for users, random access is rare */
+    struct user_t *users;
+    int num_users;
+};
+
+/* room/world */
+void world_init(const struct roomdata_t *data, size_t sz, const char *name);
+bool world_load(const char *fname, const struct roomdata_t *data, size_t data_sz, const char *world_name);
+void world_save(const char *fname);
+
+struct room_t *room_get(room_id id);
+bool room_user_add(room_id id, struct child_data *child);
+bool room_user_del(room_id id, struct child_data *child);
+
+void world_free(void);