Server: Internally, rename "map object" stuff to "thing" stuff.

[plomrogue] / src / server / things.h

diff --git a/src/server/things.h b/src/server/things.h
new file mode 100644 (file)
index 0000000..3040d04
--- /dev/null
+++ b/src/server/things.h
@@ -0,0 +1,69 @@
+/* src/server/things.h
+ *
+ * Structs for things and their type definitions, and routines to initialize
+ * these and load and save them from/to files.
+ */
+
+#ifndef THINGS_H
+#define THINGS_H
+
+#include <stdint.h> /* uint8_t */
+#include "../common/yx_uint8.h" /* yx_uint8 structs */
+
+
+
+struct Thing
+{
+    struct Thing * next;        /* pointer to next one in things chain */
+    struct Thing * owns;        /* chain of things owned / in inventory */
+    struct yx_uint8 pos;         /* coordinate on map */
+    uint8_t * fov_map;           /* map of the thing's field of view */
+    uint8_t id;                  /* individual thing's unique identifier */
+    uint8_t type;                /* ID of appropriate thing definition */
+    uint8_t lifepoints;          /* 0: thing is inanimate; >0: hitpoints */
+    uint8_t command;             /* thing's current action; 0 if none */
+    uint8_t arg;                 /* optional field for .command argument */
+    uint8_t progress;            /* turns already passed to realize .command */
+};
+
+struct ThingType
+{
+    uint8_t id;         /* thing type identifier / sets .type */
+    struct ThingType * next;
+    char char_on_map;   /* thing symbol to appear on map */
+    char * name;        /* string to describe thing in game log */
+    uint8_t corpse_id;  /* type to change thing into upon destruction */
+    uint8_t lifepoints; /* default start value for thing's .lifepoints */
+    uint8_t consumable; /* can be eaten if !0, for so much hitpoint win */
+    uint8_t start_n;    /* how many of these does the map start with? */
+};
+
+
+
+/* Free thing types chain starting at "tt_start". */
+extern void free_thing_types(struct ThingType * tt_start);
+
+/* Add thing(s) ("n": how many?) of "type" to map on random position(s). New
+ * animate things are never placed in the same square with other animate ones.
+ */
+extern void add_things(uint8_t type, uint8_t n);
+
+/* Free things in things chain starting at "t_start. */
+extern void free_things(struct Thing * t_start);
+
+/* Move thing of "id" from "source" inventory to "target" inventory. */
+extern void own_thing(struct Thing ** target, struct Thing ** source,
+                      uint8_t id);
+
+/* Get pointer to the Thing struct that represents the player. */
+extern struct Thing * get_player();
+
+/* Get pointer to the thing type of identifier "def_id". */
+extern struct ThingType * get_thing_type(uint8_t id);
+
+/* Move not only "t" to "pos", but also all things owned by it. */
+extern void set_thing_position(struct Thing * t, struct yx_uint8 pos);
+
+
+
+#endif