stuff

1 files changed, 84 insertions, 0 deletions

diff --git a/src/room.c b/src/room.c
new file mode 100644
index 0000000..e459ac8
--- /dev/null
+++ b/src/room.c
@@ -0,0 +1,84 @@
+#include "netcosm.h"
+
+static struct room_t *world;
+static size_t world_sz;
+
+static struct room_t *room_linear_search(const char *id)
+{
+    printf("Looking for room with id '%s'\n", id);
+    for(size_t i = 0; i < world_sz; ++i)
+        if(!strcmp(world[i].data.uniq_id, id))
+            return world + i;
+        else
+            printf("Iterating over room '%s'\n", world[i].data.uniq_id);
+    return NULL;
+}
+
+struct room_t *room_get(room_id id)
+{
+    return world + id;
+}
+
+void world_free(void)
+{
+    free(world);
+}
+
+/* loads room data (supplied by the world module) into our internal format */
+void world_init(const struct roomdata_t *data, size_t sz)
+{
+    printf("Loading world with %lu rooms.\n", sz);
+    world = calloc(sz, sizeof(struct room_t));
+    world_sz = 0;
+
+    void *map = hash_init(1, hash_djb, strcmp);
+
+    for(size_t i = 0; i < sz; ++i)
+    {
+        world[i].id = i;
+        memcpy(&world[i].data, &data[i], sizeof(data[i]));
+        printf("Loading room '%s'\n", world[i].data.uniq_id);
+
+        if(hash_insert(map, world[i].data.uniq_id, world + i))
+            error("Duplicate room ID '%s'\n", world[i].data.uniq_id);
+
+        for(int dir = 0; dir < NUM_DIRECTIONS; ++dir)
+        {
+            const char *adjacent_room = world[i].data.adjacent[dir];
+            if(adjacent_room)
+            {
+                struct room_t *room = hash_lookup(map, adjacent_room);
+                if(room)
+                    world[i].adjacent[dir] = room->id;
+            }
+        }
+
+        world_sz = i + 1;
+    }
+
+    /* second pass to fill in missing references */
+    for(size_t i = 0; i < sz; ++i)
+    {
+        for(int dir = 0; dir < NUM_DIRECTIONS; ++dir)
+        {
+            const char *adjacent_room = world[i].data.adjacent[dir];
+            if(adjacent_room)
+            {
+                struct room_t *room = room_linear_search(adjacent_room);
+                if(room)
+                    world[i].adjacent[dir] = room->id;
+                else
+                    error("unknown room '%s' referenced from '%s'", adjacent_room, world[i].data.uniq_id);
+            }
+            else
+                world[i].adjacent[dir] = ROOM_NONE;
+        }
+    }
+
+    /* third pass to call all the init handlers */
+    for(size_t i = 0; i < world_sz; ++i)
+        if(world[i].data.hook_init)
+            world[i].data.hook_init(world[i].id);
+
+    hash_free(map);
+}