X-Git-Url: https://plomlompom.com/repos/?a=blobdiff_plain;f=src%2Fmap_objects.h;h=6342f4b1db39a8f87558838d556b7a86de94d626;hb=350ef2e2d17e8122e2991466f76a9a083a6303e7;hp=d5985148a04707f3c4b0a89697e36de8d6c2db9c;hpb=f2a7bc28be634fde4dfe4bde4c83395cab9efa91;p=plomrogue diff --git a/src/map_objects.h b/src/map_objects.h index d598514..6342f4b 100644 --- a/src/map_objects.h +++ b/src/map_objects.h @@ -7,116 +7,70 @@ #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; - unsigned char 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 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 Item -{ - struct MapObj map_obj; -}; - -struct Monster -{ - struct MapObj map_obj; - unsigned char hitpoints; -}; - - - -/* 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 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. */ + uint8_t id; /* unique identifier of map object type */ + uint8_t corpse_id; /* id of type to change 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 value for map object lifepoints member */ }; -struct ItemDef -{ - struct MapObjDef map_obj_def; -}; - -struct MonsterDef -{ - struct MapObjDef map_obj_def; - unsigned char hitpoints_start; /* Hitpoints each monster starts with. */ -}; +/* Initialize map object defnitions 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); +/* 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(FILE * file); -/* 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. +/* Read from "file" map objects chain; use "line" as char array for fgets() and + * expect strings of max. "linemax" length. */ -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); - - - -/* 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. - */ -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 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_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);