+++ /dev/null
-/* src/server/map_object_actions.c */
-
-#include "map_object_actions.h"
-#include <stddef.h> /* NULL */
-#include <stdint.h> /* uint8_t, uint16_t */
-#include <stdio.h> /* sprintf() */
-#include <stdlib.h> /* free() */
-#include <string.h> /* strlen(), strcmp(), memcpy(), strncmp() */
-#include "../common/rexit.h" /* exit_err() */
-#include "../common/try_malloc.h" /* try_malloc() */
-#include "../common/yx_uint8.h" /* struct yx_uint8 */
-#include "field_of_view.h" /* build_fov_map() */
-#include "map_objects.h" /* structs MapObj, MapObjDef, get_player(),
- * set_object_position(), own_map_object(),
- * get_map_object_def()
- */
-#include "map.h" /* is_passable() */
-#include "yx_uint8.h" /* mv_yx_in_dir(), yx_uint8_cmp() */
-#include "world.h" /* global world */
-
-
-
-/* Append "text" to game log, or a "." if "text" is the same as the last one. */
-static void update_log(char * text);
-
-/* One actor "wounds" another actor, decrementing his lifepoints and, if they
- * reach zero in the process, killing it. Generates appropriate log message.
- */
-static void actor_hits_actor(struct MapObj * hitter, struct MapObj * hitted);
-
-/* Bonus stuff to actor_*() to happen if actor==player. Mostly writing of log
- * messages; _pick and _drop also decrement world.inventory_sel by 1 if >0.
- * (match_dir() is just a little helper to playerbonus_move().)
- */
-static void playerbonus_wait();
-static uint8_t match_dir(char d, char ** dsc_d, char match, char * dsc_match);
-static void playerbonus_move(char d, uint8_t passable);
-static void playerbonus_drop(uint8_t owns_none);
-static void playerbonus_pick(uint8_t picked);
-static void playerbonus_use(uint8_t no_object, uint8_t wrong_object);
-
-
-
-static void update_log(char * text)
-{
- char * f_name = "update_log()";
- uint16_t len_new = strlen(text);
- uint16_t len_old = 0;
- if (world.log)
- {
- len_old = strlen(world.log);
- uint16_t last_nl = len_old - 1;
- while (last_nl != 0)
- {
- if ('\n' == world.log[last_nl])
- {
- break;
- }
- last_nl--;
- }
- uint16_t last_stop = len_old - 1;
- while (last_stop != 0)
- {
- if ('.' == world.log[last_stop] && '.' != world.log[last_stop - 1])
- {
- break;
- }
- last_stop--;
- }
- if ( (last_stop + 1) - last_nl == (uint16_t) strlen(text)
- && 0 == strncmp(world.log + last_nl, text, strlen(text)))
- {
- text = ".";
- }
- }
- uint16_t len_whole = len_old + len_new + 1;
- char * new_text = try_malloc(len_whole, f_name);
- memcpy(new_text, world.log, len_old);
- sprintf(new_text + len_old, "%s", text);
- free(world.log);
- world.log = new_text;
-}
-
-
-
-static void actor_hits_actor(struct MapObj * hitter, struct MapObj * hitted)
-{
- struct MapObjDef * mod_hitter = get_map_object_def(hitter->type);
- struct MapObjDef * mod_hitted = get_map_object_def(hitted->type);
- struct MapObj * player = get_player();
- char * msg1 = "You";
- char * msg2 = "wound";
- char * msg3 = "you";
- if (player != hitter)
- {
- msg1 = mod_hitter->name;
- msg2 = "wounds";
- }
- if (player != hitted)
- {
- msg3 = mod_hitted->name;
- }
- uint8_t len = 1 + strlen(msg1) + 1 + strlen(msg2) + 1 + strlen(msg3) + 2;
- char msg[len];
- sprintf(msg, "\n%s %s %s.", msg1, msg2, msg3);
- update_log(msg);
- hitted->lifepoints--;
- if (0 == hitted->lifepoints)
- {
- hitted->type = mod_hitted->corpse_id;
- if (player == hitted)
- {
- update_log(" You die.");
- return;
- }
- update_log(" It dies.");
- }
-}
-
-
-
-static void playerbonus_wait()
-{
- update_log("\nYou wait.");
-}
-
-
-
-static uint8_t match_dir(char d, char ** dsc_d, char match, char * dsc_match)
-{
- if (d == match)
- {
- * dsc_d = dsc_match;
- return 1;
- }
- return 0;
-}
-
-
-
-static void playerbonus_move(char d, uint8_t passable)
-{
- char * dsc_dir = "north-east";
- if ( match_dir(d, &dsc_dir, 'd', "east")
- || match_dir(d, &dsc_dir, 'c', "south-east")
- || match_dir(d, &dsc_dir, 'x', "south-west")
- || match_dir(d, &dsc_dir, 's', "west")
- || match_dir(d, &dsc_dir, 'w', "north-west"))
- {
- ;
- }
- char * dsc_move = "You move ";
- if (0 == passable)
- {
- dsc_move = "You fail to move ";
- }
- char msg[strlen(dsc_move) + strlen (dsc_dir) + 3];
- sprintf(msg, "\n%s%s.", dsc_move, dsc_dir);
- update_log(msg);
-}
-
-
-
-static void playerbonus_drop(uint8_t owns_none)
-{
- if (0 != owns_none)
- {
- update_log("\nYou try to drop an object, but you own none.");
- return;
- }
- update_log("\nYou drop an object.");
-}
-
-
-
-static void playerbonus_pick(uint8_t picked)
-{
- if (picked)
- {
- update_log("\nYou pick up an object.");
- return;
- }
- update_log("\nYou try to pick up an object, but there is none.");
-}
-
-
-
-static void playerbonus_use(uint8_t no_object, uint8_t wrong_object)
-{
- if (no_object)
- {
- update_log("\nYou try to use an object, but you own none.");
- return;
- }
- else if (wrong_object)
- {
- update_log("\nYou try to use this object, but fail.");
- return;
- }
- update_log("\nYou consume MAGIC MEAT.");
-}
-
-
-
-extern void free_map_object_actions(struct MapObjAct * moa)
-{
- if (NULL == moa)
- {
- return;
- }
- free(moa->name);
- free_map_object_actions(moa->next);
- free(moa);
-}
-
-
-
-extern uint8_t get_moa_id_by_name(char * name)
-{
- struct MapObjAct * moa = world.map_obj_acts;
- while (NULL != moa)
- {
- if (0 == strcmp(moa->name, name))
- {
- break;
- }
- moa = moa->next;
- }
- exit_err(NULL==moa, "get_moa_id_by_name() did not find map object action.");
- return moa->id;
-}
-
-
-
-extern void actor_wait(struct MapObj * mo)
-{
- if (mo == get_player())
- {
- playerbonus_wait();
- }
-}
-
-
-
-extern void actor_move(struct MapObj * mo)
-{
- char d = mo->arg;
- struct yx_uint8 target = mv_yx_in_dir(d, mo->pos);
- struct MapObj * other_mo;
- for (other_mo = world.map_objs; other_mo != 0; other_mo = other_mo->next)
- {
- if (0 == other_mo->lifepoints || other_mo == mo)
- {
- continue;
- }
- if (yx_uint8_cmp(&target, &other_mo->pos))
- {
- actor_hits_actor(mo, other_mo);
- return;
- }
- }
- uint8_t passable = is_passable(target);
- if (passable)
- {
- set_object_position(mo, target);
- free(mo->fov_map);
- mo->fov_map = build_fov_map(mo);
- }
- if (mo == get_player())
- {
- playerbonus_move(d, passable);
- }
-}
-
-
-
-extern void actor_drop(struct MapObj * mo)
-{
- uint8_t owns_none = (NULL == mo->owns);
- if (!owns_none)
- {
- uint8_t select = mo->arg;
- struct MapObj * owned = mo->owns;
- uint8_t i = 0;
- for (; i != select; i++, owned = owned->next);
- own_map_object(&world.map_objs, &mo->owns, owned->id);
- }
- if (mo == get_player())
- {
- playerbonus_drop(owns_none);
- }
-}
-
-
-
-extern void actor_pick(struct MapObj * mo)
-{
- struct MapObj * picked = NULL;
- struct MapObj * mo_i;
- for (mo_i = world.map_objs; NULL != mo_i; mo_i = mo_i->next)
- {
- if (mo_i != mo && yx_uint8_cmp(&mo_i->pos, &mo->pos))
- {
- picked = mo_i;
- }
- }
- if (NULL != picked)
- {
- own_map_object(&mo->owns, &world.map_objs, picked->id);
- set_object_position(picked, mo->pos);
- }
- if (mo == get_player())
- {
- playerbonus_pick(NULL != picked);
- }
-}
-
-
-
-extern void actor_use(struct MapObj * mo)
-{
- uint8_t wrong_object = 1;
- uint8_t no_object = (NULL == mo->owns);
- if (!no_object)
- {
- uint8_t select = mo->arg;
- uint8_t i = 0;
- struct MapObj * selected = mo->owns;
- for (; i != select; i++, selected = selected->next);
- struct MapObjDef * mod = get_map_object_def(selected->type);
- if (mod->consumable)
- {
- wrong_object = 0;
- struct MapObj * next = selected->next;
- free(selected);
- if (0 < select)
- {
- select--;
- selected = mo->owns;
- for (i = 0; i != select; i++, selected = selected->next);
- selected->next = next;
- }
- else
- {
- mo->owns = next;
- }
- mo->lifepoints = mo->lifepoints + mod->consumable;
- }
- }
- if (mo == get_player())
- {
- playerbonus_use(no_object, wrong_object);
- }
-}
projects / plomrogue / blobdiff