X-Git-Url: https://plomlompom.com/repos/index.html?a=blobdiff_plain;f=src%2Fmap_objects.h;h=5cc6ee4873792adb72907a0d39e180768c2287ca;hb=7290dec4219eaa2325aa00ef6139f715743dba3a;hp=f39df0daedf99ff059778a2f21cd035bb4c727d3;hpb=2e690e2500e66535018bb6e01222442c074cb298;p=plomrogue
diff --git a/src/map_objects.h b/src/map_objects.h
index f39df0d..5cc6ee4 100644
--- a/src/map_objects.h
+++ b/src/map_objects.h
@@ -1,49 +1,95 @@
+/* map_objects.h
+ *
+ * Structs for objects on the map and their type definitions, and routines to
+ * initialize these and load and save them from/to files.
+ */
+
#ifndef MAP_OBJECTS_H
#define MAP_OBJECTS_H
-#include
-#include "yx_uint16.h"
-
-struct World;
-
-struct Player {
- struct yx_uint16 pos;
- unsigned char hitpoints; };
-
-struct MapObj {
- void * next;
- char type;
- struct yx_uint16 pos; };
-
-struct MapObjDef {
- struct MapObjDef * next;
- char id;
- char mapchar;
- char * desc; };
-
-struct Item {
- struct MapObj map_obj; };
-
-struct Monster {
- struct MapObj map_obj;
- unsigned char hitpoints; };
-
-struct ItemDef {
- struct MapObjDef map_obj_def; };
-
-struct MonsterDef {
- struct MapObjDef map_obj_def;
- unsigned char hitpoints_start; };
-
-extern void init_map_object_defs (struct World *, char *);
-extern void write_map_objects_monsterdata (void *, FILE *);
-extern void write_map_objects (void * start, FILE *, void (*) (void *, FILE *) );
-extern void read_map_objects_monsterdata (void *, FILE *);
-extern void read_map_objects (void *, FILE *, size_t, void (*) (void *, FILE *) );
-extern void build_map_objects_monsterdata (struct MapObjDef *, void *);
-extern void build_map_objects_itemdata (struct MapObjDef *, void *);
-extern void * build_map_objects (struct World *, void *, char, unsigned char, size_t,
- void (*) (struct MapObjDef *, void *));
-extern struct MapObjDef * get_map_obj_def (struct World *, char);
+#include /* for FILE typedef */
+#include /* for uint8_t */
+#include "yx_uint16.h" /* for yx_uint16 coordinates */
+
+
+
+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;
+ 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 */
+};
+
+
+
+/* Initialize map object defnitions chain from file at path "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).
+ * 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);
+
+/* 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(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(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);
+
+
#endif