1 /* src/server/map_objects.h
3 * Structs for objects on the map and their type definitions, and routines to
4 * initialize these and load and save them from/to files.
10 #include <stdint.h> /* uint8_t */
11 #include "../common/yx_uint16.h" /* yx_uint16 structs */
17 struct MapObj * next; /* pointer to next one in map object chain */
18 struct MapObj * owns; /* chain of map objects owned / in inventory */
19 struct yx_uint16 pos; /* coordinate on map */
20 uint8_t id; /* individual map object's unique identifier */
21 uint8_t type; /* ID of appropriate map object definition */
22 uint8_t lifepoints; /* 0: object is inanimate; >0: hitpoints */
23 uint8_t command; /* map object's current action */
24 uint8_t arg; /* optional field for .command argument */
25 uint8_t progress; /* turns already passed to realize .command */
30 struct MapObjDef * next;
31 char char_on_map; /* map object symbol to appear on map */
32 char * name; /* string to describe object in game log */
33 uint8_t id; /* map object definition identifier / sets .type */
34 uint8_t corpse_id; /* type to change map object into upon destruction */
35 uint8_t lifepoints; /* default start value for map object's .lifepoints */
40 /* Initialize map object definitions chain. */
41 extern void init_map_object_defs();
43 /* Free map object definitions chain starting at "mod_start". */
44 extern void free_map_object_defs(struct MapObjDef * mod_start);
46 /* Add object(s) ("n": how many?) of "type" to map on random position(s). New
47 * animate objects are never placed in the same square with other animate ones.
49 extern void add_map_objects(uint8_t type, uint8_t n);
51 /* Free map objects in map object chain starting at "mo_start. */
52 extern void free_map_objects(struct MapObj * mo_start);
54 /* Move object of "id" from "source" inventory to "target" inventory. */
55 extern void own_map_object(struct MapObj ** target, struct MapObj ** source,
58 /* Get pointer to the MapObj struct that represents the player. */
59 extern struct MapObj * get_player();
61 /* Get pointer to the map object definition of identifier "def_id". */
62 extern struct MapObjDef * get_map_object_def(uint8_t id);
64 /* Move not only "mo" to "pos", but also all map objects owned by it. */
65 extern void set_object_position(struct MapObj * mo, struct yx_uint16 pos);