#include <stdio.h> /* for FILE typedef */
+#include <stdint.h> /* for uint8_t */
#include "yx_uint16.h" /* for yx_uint16 coordinates */
struct World;
struct Player
{
struct yx_uint16 pos;
- unsigned char hitpoints;
+ uint8_t hitpoints;
};
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. */
};
struct Monster
{
struct MapObj map_obj;
- unsigned char hitpoints;
+ uint8_t hitpoints;
};
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. */
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. */
};
+/* 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);