X-Git-Url: https://plomlompom.com/repos/?a=blobdiff_plain;f=src%2Fmap_objects.h;h=a905b7bc48f4f788729fc886fe6fa9f37d15fc17;hb=9b4365470d74903c6c5e78a964cf11cd64e5f839;hp=f39df0daedf99ff059778a2f21cd035bb4c727d3;hpb=2e690e2500e66535018bb6e01222442c074cb298;p=plomrogue

diff --git a/src/map_objects.h b/src/map_objects.h
index f39df0d..a905b7b 100644
--- a/src/map_objects.h
+++ b/src/map_objects.h
@@ -1,49 +1,104 @@
+/* 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 <stdio.h>
-#include "yx_uint16.h"
 
+
+#include <stdio.h> /* for FILE typedef */
+#include <stdint.h> /* for uint8_t */
+#include "yx_uint16.h" /* for yx_uint16 coordinates */
 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);
+
+
+/* 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;
+};
+
+
+
+/* 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;
+};
+
+struct MonsterDef
+{
+    struct MapObjDef map_obj_def;
+    uint8_t hitpoints_start; /* Hitpoints each monster starts with. */
+};
+
+
+
+/* Initialize map object type definitions from file at path "filename". */
+extern void init_map_object_defs(struct World * world, char * filename);
+
+
+
+/* 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,
+                                uint8_t n);
+
+
+
+/* Write to/read from file chain of map objects starting/to start in memory at
+ * "start".
+ */
+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);
+
+
+
+/* Get pointer to the map object definition of identifier "def_id". */
+extern struct MapObjDef * get_map_obj_def(struct World * world, char def_id);
+
+
 
 #endif