Individual map objects are now identified by unique numbers stored in the savefiles...

[plomrogue] / src / map_objects.h

diff --git a/src/map_objects.h b/src/map_objects.h
index d5985148a04707f3c4b0a89697e36de8d6c2db9c..2307fb51fe776bb09f52e816b7294be86554dd49 100644 (file)
--- a/src/map_objects.h
+++ b/src/map_objects.h
@@ -10,6 +10,7 @@
 
 
 #include <stdio.h> /* for FILE typedef */
+#include <stdint.h> /* for uint8_t */
 #include "yx_uint16.h" /* for yx_uint16 coordinates */
 struct World;
 
@@ -19,7 +20,7 @@ struct World;
 struct Player
 {
     struct yx_uint16 pos;
-    unsigned char hitpoints;
+    uint8_t hitpoints;
 };
 
 
@@ -29,6 +30,7 @@ struct Player
 struct MapObj
 {
     void * next;
+    uint8_t id;           /* Unique identifier of individual map object. */
     char type;            /* Map object type identifier (see MapObjDef.id). */
     struct yx_uint16 pos; /* Coordinate of object on map. */
 };
@@ -41,7 +43,7 @@ struct Item
 struct Monster
 {
     struct MapObj map_obj;
-    unsigned char hitpoints;
+    uint8_t hitpoints;
 };
 
 
@@ -53,6 +55,7 @@ struct Monster
 struct MapObjDef
 {
     struct MapObjDef * next;
+    char m_or_i;  /* Is it item or monster? "i" for items, "m" for monsters. */
     char id;      /* Unique identifier of the map object type to describe. */
     char mapchar; /* Map object symbol to appear on map.*/
     char * desc;  /* String describing map object in the game log. */
@@ -66,7 +69,8 @@ struct ItemDef
 struct MonsterDef
 {
     struct MapObjDef map_obj_def;
-    unsigned char hitpoints_start; /* Hitpoints each monster starts with. */
+    uint8_t corpse_id;       /* ID of object type killed monster changes to. */
+    uint8_t hitpoints_start; /* Hitpoints each monster starts with. */
 };
 
 
@@ -76,44 +80,34 @@ extern void init_map_object_defs(struct World * world, char * filename);
 
 
 
+/* Free item / monster definitions in map object chain starting at "md_start" /
+ * "id_start".
+ */
+extern void free_item_defs(struct ItemDef * id_start);
+extern void free_monster_defs(struct MonsterDef * md_start);
+
+
+
 /* Build into memory starting at "start" chain of "n" map objects of type
- * "def_id", pass either "build_map_objects_itemdata" or
- * "build_map_objects_monsterdata" as "b_typedata"() to build data specific
- * to monsters or items (or more forms if they ever get invented).
- *
- * TODO: function should decide by itself what "b_typedata"() to call based
- * on monster-or-item info in MapObjDef struct or from a table mapping type
- * identifiers to these.
+ * "def_id".
  */
 extern void * build_map_objects(struct World * world, void * start, char def_id,
-                                 unsigned char n, size_t size,
-                                 void (*) (struct MapObjDef *, void *));
-extern void build_map_objects_itemdata(struct MapObjDef * map_obj_def,
-                                       void * start);
-extern void build_map_objects_monsterdata(struct MapObjDef * map_obj_def,
-                                          void * start);
+                                uint8_t n);
 
 
 
 /* Write to/read from file chain of map objects starting/to start in memory at
- * "start", use "w_typedata"()"/"r_typedata" for data specific to monsters
- * (pass "write_map_objects_monsterdata"/"read_map_objects_itemdata") or items
- * (currently they have no data specific only to them, so pass NULL). Use "size"
- * in read_map_objects() to pass the size of structs of the affected map object
- * type.
- *
- * TODO: the size of these structs should not need to be passed but instead be
- * available via the type id of the affected map object type. The TODO above
- * towards the function deciding its helper function by itself also applies.
+ * "start".
  */
-extern void write_map_objects(void * start, FILE * file,
-                              void (* w_typedata) (void *, FILE *) );
-extern void read_map_objects(void * start, FILE * file, size_t size,
-                             void (* w_typedata) (void *, FILE *) );
-extern void write_map_objects_monsterdata(void * start, FILE * file);
-extern void read_map_objects_monsterdata( void * start, FILE * file);
+extern uint8_t write_map_objects(struct World * world, void * start,
+                                 FILE * file);
+extern uint8_t read_map_objects(struct World * world, void * start,
+                                FILE * file);
 
 
+/* Free items / monsters in map object chain starting at "item" / "monster". */
+extern void free_items(struct Item * item);
+extern void free_monsters(struct Monster * monster);
 
 /* Get pointer to the map object definition of identifier "def_id". */
 extern struct MapObjDef * get_map_obj_def(struct World * world, char def_id);