X-Git-Url: https://plomlompom.com/repos/foo.html?a=blobdiff_plain;f=src%2Fmap_objects.h;h=6342f4b1db39a8f87558838d556b7a86de94d626;hb=350ef2e2d17e8122e2991466f76a9a083a6303e7;hp=ced2ab3f161b4cc237d642bc0fabd28effe1ce14;hpb=9d35a239f47714198b942deca3171334409a27bb;p=plomrogue diff --git a/src/map_objects.h b/src/map_objects.h index ced2ab3..6342f4b 100644 --- a/src/map_objects.h +++ b/src/map_objects.h @@ -7,35 +7,22 @@ #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; -}; struct MapObj { 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 */ }; - - struct MapObjDef { struct MapObjDef * next; @@ -49,39 +36,41 @@ struct MapObjDef /* Initialize map object defnitions chain from file at path "filename". */ -extern void init_map_object_defs(struct World * world, char * filename); - - +extern void init_map_object_defs(char * filename); /* Free map object definitions chain starting at "mod_start". */ extern void free_map_object_defs(struct MapObjDef * mod_start); - - -/* Add new object(s) ("n": how many?) of "type" to map on random position(s). */ -extern void add_map_object(struct World * world, uint8_t type); -extern void add_map_objects(struct World * world, uint8_t type, uint8_t n); - - +/* Add new 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 animated + * ones. + */ +extern void add_map_object(uint8_t type); +extern void add_map_objects(uint8_t type, uint8_t n); /* Write map objects chain to "file". */ -extern void write_map_objects(struct World * world, FILE * file); +extern void write_map_objects(FILE * file); /* Read from "file" map objects chain; use "line" as char array for fgets() and * expect strings of max. "linemax" length. */ -extern void read_map_objects(struct World * world, FILE * file, - char * line, int linemax); - - +extern void read_map_objects(FILE * file, char * line, int linemax); /* 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_object_def(struct World * w, uint8_t 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);