Strongly overhauled keybinding managemment. Window-specific keybindings and a window...

[plomrogue] / src / map_objects.c

diff --git a/src/map_objects.c b/src/map_objects.c
index 4cd6cb0d8cae2a682196861a18e8a3292d3cd615..8d08ae04db1832e3222799df73278984aff731fb 100644 (file)
--- a/src/map_objects.c
+++ b/src/map_objects.c
@@ -1,20 +1,24 @@
 /* map_objects.c */
 
 #include "map_objects.h"
-#include <stdlib.h> /* for malloc(), calloc(), free(), atoi() */
+#include <stdlib.h> /* for free(), atoi() */
 #include <stdint.h> /* for uint8_t */
 #include <stdio.h> /* for FILE typedef */
 #include <string.h> /* for strchr(), strlen(), memcpy(), strtok() */
-#include "readwrite.h" /* for [read/write]_uint[8/16/23][_bigendian]() */
-#include "misc.h" /* for textfile_sizes(), find_passable_pos() */
+#include "readwrite.h" /* for get_linemax(), try_fopen(), try_fclose()
+                        * [read/write]_uint[8/16/23][_bigendian]()
+                        */
+#include "misc.h" /* for try_malloc(), try_calloc(), find_passable_pos() */
 #include "main.h" /* for World struct */
+#include "rexit.h" /* for err_exit() */
 
 
 
 /* Return pointer to newly allocated map object struct of size "size". If first
  * in map object chain ("first" pointing to !0), point "start" to it.
  */
-static struct MapObj * get_next_map_obj(void * start, char * first,
+static struct MapObj * get_next_map_obj(struct World * world,
+                                        void * start, char * first,
                                         size_t size, struct MapObj * map_obj);
 
 
@@ -29,19 +33,21 @@ static uint8_t read_map_objects_monsterdata( void * start, FILE * file);
 
 
 
-static struct MapObj * get_next_map_obj(void * start, char * first,
+static struct MapObj * get_next_map_obj(struct World * world,
+                                        void * start, char * first,
                                         size_t size, struct MapObj * map_obj)
 {
+    char * f_name = "get_next_map_obj()";
     if (* first)
     {
         struct MapObj * * z = start;
-        map_obj = malloc(size);
+        map_obj = try_malloc(size, world, f_name);
         * z = map_obj;
         * first = 0;
     }
     else
     {
-        map_obj->next = malloc(size);
+        map_obj->next = try_malloc(size, world, f_name);
         map_obj = map_obj->next;
     }
     return map_obj;
@@ -87,20 +93,20 @@ static uint8_t read_map_objects_monsterdata (void * start, FILE * file)
 
 extern void init_map_object_defs(struct World * world, char * filename)
 {
-    world->item_def    = 0;
-    world->monster_def = 0;
-    FILE * file = fopen(filename, "r");
-    uint16_t linemax;
-    textfile_sizes (file, &linemax, NULL);
+    char * f_name = "init_map_object_defs()";
+    FILE * file = try_fopen(filename, "r", world, f_name);
+    uint16_t linemax = get_linemax(file, world, f_name);
     struct MapObjDef  mod;
     struct ItemDef    id;
     struct MonsterDef md;
+    world->item_def    = 0;
+    world->monster_def = 0;
     struct ItemDef    * * p_p_id  = &world->item_def;
     struct MonsterDef * * p_p_md  = &world->monster_def;
-    char * defline = malloc(linemax);
+    char defline[linemax + 1];
     char * line_p;
     char * delim = " ";
-    while (fgets(defline, linemax, file))
+    while (fgets(defline, linemax + 1, file))
     {
         mod.next    = 0;
         mod.id      = atoi(strtok(defline, delim));
@@ -116,25 +122,24 @@ extern void init_map_object_defs(struct World * world, char * filename)
             md.hitpoints_start = atoi(strtok(NULL, delim));
             line_p             = strtok(NULL, delim);
         }
-        mod.desc = calloc(strlen(line_p), sizeof(char));
+        mod.desc = try_calloc(strlen(line_p), sizeof(char), world, f_name);
         memcpy(mod.desc, line_p, strlen(line_p) - 1);
         if ('i' == mod.m_or_i)
         {
             id.map_obj_def = mod;
-            * p_p_id       = malloc(sizeof(struct ItemDef));
+            * p_p_id       = try_malloc(sizeof(struct ItemDef), world, f_name);
             * * p_p_id     = id;
             p_p_id         = (struct ItemDef    * *) * p_p_id;
         }
         else
         {
             md.map_obj_def = mod;
-            * p_p_md       = malloc(sizeof(struct MonsterDef));
+            * p_p_md     = try_malloc(sizeof(struct MonsterDef), world, f_name);
             * * p_p_md     = md;
             p_p_md         = (struct MonsterDef * *) * p_p_md;
         }
     }
-    free(defline);
-    fclose(file);
+    try_fclose(file, world, f_name);
 }
 
 
@@ -193,6 +198,7 @@ extern uint8_t write_map_objects(struct World * world, void * start,
 
 extern uint8_t read_map_objects(struct World * world, void * start, FILE * file)
 {
+    char * err = "Trouble in read_map_objects() with get_next_map_obj().";
     struct MapObj * map_obj;
     struct MapObjDef * mod;
     size_t size;
@@ -225,7 +231,8 @@ extern uint8_t read_map_objects(struct World * world, void * start, FILE * file)
         {
             size = sizeof(struct Item);
         }
-        map_obj = get_next_map_obj(start, &first, size, map_obj);
+        map_obj = get_next_map_obj(world, start, &first, size, map_obj);
+        exit_err(NULL == map_obj, world, err);
         map_obj->type = type;
         if (   read_uint16_bigendian(file, &map_obj->pos.y)
             || read_uint16_bigendian(file, &map_obj->pos.x))
@@ -254,6 +261,7 @@ extern uint8_t read_map_objects(struct World * world, void * start, FILE * file)
 extern void * build_map_objects(struct World * world, void * start, char def_id,
                                 uint8_t n)
 {
+    char * err = "Trouble in build_map_objects() with get_next_map_obj().";
     uint8_t i;
     struct MapObj * mo;
     char first = 1;
@@ -269,7 +277,8 @@ extern void * build_map_objects(struct World * world, void * start, char def_id,
     }
     for (i = 0; i < n; i++)
     {
-        mo = get_next_map_obj(start, &first, size, mo);
+        mo = get_next_map_obj(world, start, &first, size, mo);
+        exit_err(NULL == mo, world, err);
         mo->pos = find_passable_pos(world->map);
         if ('i' == mod->m_or_i)
         {
@@ -290,7 +299,31 @@ extern void * build_map_objects(struct World * world, void * start, char def_id,
 
 
 
-extern struct MapObjDef * get_map_obj_def (struct World * world, char def_id)
+extern void free_items(struct Item * item)
+{
+    if (0 == item)
+    {
+        return;
+    }
+    free_items((struct Item *) item->map_obj.next);
+    free(item);
+}
+
+
+
+extern void free_monsters(struct Monster * monster)
+{
+    if (0 == monster)
+    {
+        return;
+    }
+    free_monsters((struct Monster *) monster->map_obj.next);
+    free(monster);
+}
+
+
+
+extern struct MapObjDef * get_map_obj_def(struct World * world, char def_id)
 {
     struct MapObjDef * d = NULL;
     for (d = (struct MapObjDef *) world->monster_def;