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diff --git a/src/server/map_objects.c b/src/server/map_objects.c
index 05cfc9a..50f372f 100644
--- a/src/server/map_objects.c
+++ b/src/server/map_objects.c
@@ -3,23 +3,23 @@
 #include "map_objects.h"
 #include <stddef.h> /* NULL */
 #include <stdio.h> /* FILE typedef */
-#include <stdint.h> /* uint8_t, uint16_t, UINT8_MAX */
+#include <stdint.h> /* uint8_t, uint16_t */
 #include <stdlib.h> /* free(), atoi() */
 #include <string.h> /* strlen(), memcpy(), memset() */
 #include "../common/err_try_fgets.h" /* err_try_fgets(), err_line(),
                                       * reset_err_try_fgets_counter()
                                       */
 #include "../common/readwrite.h" /* try_fopen(), try_fclose(), try_fgetc(),
-                                  * textfile_sizes()
+                                  * textfile_width()
                                   */
 #include "../common/rexit.h" /* exit_err(), exit_trouble() */
 #include "../common/try_malloc.h" /* try_malloc() */
-#include "../common/yx_uint16.h" /* yx_uint16 struct */
+#include "../common/yx_uint8.h" /* yx_uint8 struct */
 #include "cleanup.h" /* set_cleanup_flag() */
 #include "map.h" /* is_passable() */
 #include "rrand.h" /* rrand() */
 #include "world.h" /* global world */
-#include "yx_uint16.h" /* yx_uint16_cmp() */
+#include "yx_uint8.h" /* yx_uint8_cmp() */
 
 
 
@@ -27,7 +27,7 @@
 static struct MapObj * get_map_object(struct MapObj * ptr, uint8_t id);
 
 /* Return random passable (as by is_passable()) position on world.map. */
-static struct yx_uint16 find_passable_pos();
+static struct yx_uint8 find_passable_pos();
 
 /* Add object of "type" to map on random position. Don't place actor on actor.*/
 static void add_map_object(uint8_t type);
@@ -53,9 +53,9 @@ static struct MapObj * get_map_object(struct MapObj * ptr, uint8_t id)
 
 
 
-static struct yx_uint16 find_passable_pos()
+static struct yx_uint8 find_passable_pos()
 {
-    struct yx_uint16 pos;
+    struct yx_uint8 pos;
     for (pos.y = pos.x = 0; 0 == is_passable(pos);)
     {
         pos.y = rrand() % world.map.size.y;
@@ -77,12 +77,12 @@ static void add_map_object(uint8_t type)
     mo->lifepoints = mod->lifepoints;
     while (1)
     {
-        struct yx_uint16 pos = find_passable_pos(world.map);
+        struct yx_uint8 pos = find_passable_pos(world.map);
         struct MapObj * mo_ptr;
         uint8_t clear = 1;
         for (mo_ptr = world.map_objs; mo_ptr != NULL; mo_ptr = mo_ptr->next)
         {
-            if (yx_uint16_cmp(&pos, &mo_ptr->pos) && 0 != mo_ptr->lifepoints)
+            if (yx_uint8_cmp(&pos, &mo_ptr->pos) && 0 != mo_ptr->lifepoints)
             {
                 clear = 0;
                 break;
@@ -101,14 +101,13 @@ static void add_map_object(uint8_t type)
 
 
 
-extern void init_map_object_defs(char * filename)
+extern void init_map_object_defs()
 {
     char * f_name = "init_map_object_defs()";
     char * context = "Failed reading map object definitions file. ";
-    char * err_toolarge = "Value is too large.";
-    char * err_uniq     = "Declaration of ID already used.";
-    FILE * file = try_fopen(filename, "r", f_name);
-    uint16_t linemax = textfile_sizes(file, NULL);
+    char * err_uniq = "Declaration of ID already used.";
+    FILE * file = try_fopen(world.path_map_obj_defs, "r", f_name);
+    uint32_t linemax = textfile_width(file);
     struct MapObjDef ** last_mod_ptr_ptr = &world.map_obj_defs;
     char line[linemax + 1];
     reset_err_try_fgets_counter();
@@ -122,26 +121,25 @@ extern void init_map_object_defs(char * filename)
         exit_trouble(EOF == ungetc(test_for_end, file), f_name, "ungetc()");
         struct MapObjDef * mod = try_malloc(sizeof(struct MapObjDef), f_name);
         mod->next = NULL;
-        err_try_fgets(line, linemax, file, context, "nfi");
-        err_line(atoi(line) > UINT8_MAX, line, context, err_toolarge);
+        err_try_fgets(line, linemax, file, context, "nfi8");
         mod->id = atoi(line);
         struct MapObjDef * mod_test = world.map_obj_defs;
         for (; NULL != mod_test; mod_test = mod_test->next)
         {
             err_line(mod->id == mod_test->id, line, context, err_uniq);
         }
-        err_try_fgets(line, linemax, file, context, "0nfi");
-        err_line(atoi(line) > UINT8_MAX, line, context, err_toolarge);
+        err_try_fgets(line, linemax, file, context, "0nfi8");
         mod->corpse_id = atoi(line);
         err_try_fgets(line, linemax, file, context, "0nfs");
         mod->char_on_map = line[0];
-        err_try_fgets(line, linemax, file, context, "0nfi");
-        err_line(atoi(line) > UINT8_MAX, line, context, err_toolarge);
+        err_try_fgets(line, linemax, file, context, "0nfi8");
         mod->lifepoints = atoi(line);
         err_try_fgets(line, linemax, file, context, "0nf");
         line[strlen(line) - 1] = '\0';
         mod->name = try_malloc(strlen(line) + 1, f_name);
         memcpy(mod->name, line, strlen(line) + 1);
+        err_try_fgets(line, linemax, file, context, "0nfi8");
+        mod->consumable = atoi(line);
         * last_mod_ptr_ptr = mod;
         last_mod_ptr_ptr = &mod->next;
         err_try_fgets(line, linemax, file, context, "d");
@@ -244,7 +242,7 @@ extern struct MapObjDef * get_map_object_def(uint8_t id)
 
 
 
-extern void set_object_position(struct MapObj * mo, struct yx_uint16 pos)
+extern void set_object_position(struct MapObj * mo, struct yx_uint8 pos)
 {
     mo->pos = pos;
     struct MapObj * owned = mo->owns;