X-Git-Url: https://plomlompom.com/repos/?a=blobdiff_plain;f=src%2Fmap_objects.h;h=fd7a8191739ccb9d8d69214972e06007d4b455b4;hb=e9ee94eeb27e1121f8383cb6fc3775f18261df75;hp=4804033d1002fe17499242046fdd5ff804d12f30;hpb=e9282787cecf5439513dbfaedeac235cdc841e91;p=plomrogue diff --git a/src/map_objects.h b/src/map_objects.h index 4804033..fd7a819 100644 --- a/src/map_objects.h +++ b/src/map_objects.h @@ -7,98 +7,72 @@ #ifndef MAP_OBJECTS_H #define MAP_OBJECTS_H - - #include /* for FILE typedef */ #include /* for uint8_t */ #include "yx_uint16.h" /* for yx_uint16 coordinates */ -struct World; - - - -/* Player is non-standard: single and of a hard-coded type. */ -struct Player -{ - struct yx_uint16 pos; - uint8_t hitpoints; -}; -/* Structs for standard map objects. */ - struct MapObj { - void * next; - char type; /* Map object type identifier (see MapObjDef.id). */ - struct yx_uint16 pos; /* Coordinate of object on map. */ -}; - -struct Item -{ - struct MapObj map_obj; -}; - -struct Monster -{ - struct MapObj map_obj; - uint8_t hitpoints; + struct MapObj * next; /* pointer to next one in map object chain */ + struct MapObj * owns; /* chain of map objects owned / in inventory */ + uint8_t id; /* individual map object's unique identifier */ + uint8_t type; /* ID of appropriate map object definition */ + uint8_t lifepoints; /* 0: object is inanimate; >0: hitpoints */ + struct yx_uint16 pos; /* coordinate on map */ + uint8_t command; /* map object's current action */ + uint8_t arg; /* optional field for .command argument */ + uint8_t progress; /* turns already passed to realize .command */ }; - - -/* Structs for map object *type* definitions. Values common to all members of - * a single monster or item type are harvested from these. - */ - 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 ItemDef -{ - struct MapObjDef map_obj_def; + uint8_t id; /* map object definition identifier / sets .type */ + uint8_t corpse_id; /* type to change map object into upon destruction */ + char char_on_map; /* map object symbol to appear on map */ + char * name; /* string to describe object in game log */ + uint8_t lifepoints; /* default start value for map object's .lifepoints */ }; -struct MonsterDef -{ - struct MapObjDef map_obj_def; - uint8_t corpse_id; /* ID of object type killed monster changes to. */ - uint8_t hitpoints_start; /* Hitpoints each monster starts with. */ -}; +/* Initialize map object definitions chain from file at path "filename". */ +extern void init_map_object_defs(char * filename); -/* Initialize map object type definitions from file at path "filename". */ -extern void init_map_object_defs(struct World * world, char * filename); +/* Free map object definitions chain starting at "mod_start". */ +extern void free_map_object_defs(struct MapObjDef * mod_start); +/* Write map objects chain to "file". */ +extern void write_map_objects(FILE * file); - -/* Build into memory starting at "start" chain of "n" map objects of type - * "def_id". +/* Read map objects chain from "file"; use "line" as char array for fgets() and + * expect line strings of max. "linemax" length to be read by it. */ -extern void * build_map_objects(struct World * world, void * start, char def_id, - uint8_t n); - +extern void read_map_objects(FILE * file, char * line, int linemax); - -/* Write to/read from file chain of map objects starting/to start in memory at - * "start". +/* Add object(s) ("n": how many?) of "type" to map on random position(s). New + * animate objects are never placed in the same square with other animate ones. */ -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); +extern void add_map_object(uint8_t type); +extern void add_map_objects(uint8_t type, uint8_t n); + +/* Free map objects in map object chain starting at "mo_start. */ +extern void free_map_objects(struct MapObj * mo_start); +/* Move object of "id" from "source" inventory to "target" inventory. */ +extern void own_map_object(struct MapObj ** target, struct MapObj ** source, + uint8_t id); +/* Get pointer to the MapObj struct that represents the player. */ +extern struct MapObj * get_player(); /* Get pointer to the map object definition of identifier "def_id". */ -extern struct MapObjDef * get_map_obj_def(struct World * world, char def_id); +extern struct MapObjDef * get_map_object_def(uint8_t id); + +/* Move not only "mo" to "pos", but also all map objects owned by it. */ +extern void set_object_position(struct MapObj * mo, struct yx_uint16 pos);