X-Git-Url: https://plomlompom.com/repos/?a=blobdiff_plain;f=src%2Fmap_objects.h;h=1489711279bb4d9e96cf9ce21e16c8e31cb69a7f;hb=657d5dbc6d362d7b20693c63b38d8d99f3d2dbbd;hp=9eb055c156ebd3d94090460d1ad8d228216ecdee;hpb=1afe61cf5429407b416177893c7c86424ba31ff4;p=plomrogue

diff --git a/src/map_objects.h b/src/map_objects.h
index 9eb055c..1489711 100644
--- a/src/map_objects.h
+++ b/src/map_objects.h
@@ -10,91 +10,89 @@
 
 
 #include <stdio.h> /* for FILE typedef */
+#include <stdint.h> /* 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 MapObj
 {
-    struct yx_uint16 pos;
-    unsigned char 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 */
 };
 
 
 
-/* Structs for standard map objects. */
-
-struct MapObj
+struct MapObjDef
 {
-    void * next;
-    char type;            /* Map object type identifier (see MapObjDef.id). */
-    struct yx_uint16 pos; /* Coordinate of object on map. */
+    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 */
 };
 
-struct Item
-{
-    struct MapObj map_obj;
-};
 
-struct Monster
-{
-    struct MapObj map_obj;
-    unsigned char hitpoints;
-};
+
+/* Initialize map object defnitions chain 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);
 
-/* Structs for map object *type* definitions. Values common to all members of
- * a single monster or item type are harvested from these.
+
+
+/* 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(struct World * world, uint8_t type);
+extern void add_map_objects(struct World * world, uint8_t type, uint8_t n);
 
-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;
-};
 
-struct MonsterDef
-{
-    struct MapObjDef map_obj_def;
-    unsigned char hitpoints_start; /* Hitpoints each monster starts with. */
-};
+/* Write map objects chain to "file". */
+extern void write_map_objects(struct World * world, 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);
 
 
-/* Initialize map object type definitions from file at path "filename". */
-extern void init_map_object_defs(struct World * world, char * filename);
 
+/* Free map objects in map object chain starting at "mo_start. */
+extern void free_map_objects(struct MapObj * mo_start);
 
 
-/* Build into memory starting at "start" chain of "n" map objects of type
- * "def_id".
- */
-extern void * build_map_objects(struct World * world, void * start, char def_id,
-                                 unsigned char n);
 
+/* Move object of "id" from "source" inventory to "target" inventory. */
+extern void own_map_object(struct MapObj ** target, struct MapObj ** source,
+                           uint8_t id);
 
 
-/* Write to/read from file chain of map objects starting/to start in memory at
- * "start".
- */
-extern void write_map_objects(struct World * world, void * start, FILE * file);
-extern void read_map_objects(struct World * world, void * start, FILE * file);
+
+/* Get pointer to the MapObj struct that represents the player. */
+extern struct MapObj * get_player(struct World * world);
 
 
 
 /* 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(struct World * w, 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);