+++ /dev/null
-/* src/server/thing_actions.c
- *
- * This file is part of PlomRogue. PlomRogue is licensed under the GPL version 3
- * or any later version. For details on its copyright, license, and warranties,
- * see the file NOTICE in the root directory of the PlomRogue source package.
- */
-
-#include "thing_actions.h"
-#include <stddef.h> /* NULL */
-#include <stdint.h> /* uint8_t, INT16_MIN, INT16_MAX */
-#include <stdio.h> /* sprintf() */
-#include <stdlib.h> /* free() */
-#include <string.h> /* strlen() */
-#include "../common/rexit.h" /* exit_err(), exit_trouble() */
-#include "../common/try_malloc.h" /* try_malloc() */
-#include "../common/yx_uint8.h" /* yx_uint8 */
-#include "field_of_view.h" /* build_fov_map() */
-#include "hardcoded_strings.h" /* s */
-#include "things.h" /* Thing, ThingType, get_player(), free_things_in_memory(),
- * own_thing(), set_thing_position(), get_thing_type(),
- */
-#include "map.h" /* mv_yx_in_dir_legal() */
-#include "rrand.h" /* rrand() */
-#include "run.h" /* send_to_outfile() */
-#include "world.h" /* global world */
-
-
-
-/* Send "text" as log message to server out file. */
-static void update_log(char * text);
-
-/* Decrement "t"'s lifepoints, and if to zero, kill it with log update. */
-static void decrement_lifepoints(struct Thing * t);
-
-/* One actor "wounds" another actor, decrementing his lifepoints. */
-static void actor_hits_actor(struct Thing * hitter, struct Thing * 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_thing, uint8_t wrong_thing);
-
-
-
-static void update_log(char * text)
-{
- send_to_outfile("LOG ", 0);
- send_to_outfile(text, 0);
- send_to_outfile("\n", 1);
-}
-
-
-
-static void decrement_lifepoints(struct Thing * t)
-{
- struct Thing * player = get_player();
- t->lifepoints--;
- if (0 == t->lifepoints)
- {
- t->type = get_thing_type(t->type)->corpse_id;
- if (player == t)
- {
- update_log("You die.");
- memset(t->fov_map, ' ', world.map.length * world.map.length);
- return;
- }
- else
- {
- free(t->fov_map);
- t->fov_map = NULL;
- free(t->mem_map);
- t->mem_map = NULL;
- free(t->mem_depth_map);
- t->mem_depth_map = NULL;
- free_things_in_memory(t->t_mem);
- t->t_mem = NULL;
- }
- update_log("It dies.");
- }
-}
-
-
-
-static void actor_hits_actor(struct Thing * hitter, struct Thing * hitted)
-{
- struct ThingType * tt_hitter = get_thing_type(hitter->type);
- struct ThingType * tt_hitted = get_thing_type(hitted->type);
- struct Thing * player = get_player();
- char * msg1 = "You";
- char * msg2 = "wound";
- char * msg3 = "you";
- if (player != hitter)
- {
- msg1 = tt_hitter->name;
- msg2 = "wounds";
- }
- if (player != hitted)
- {
- msg3 = tt_hitted->name;
- }
- uint8_t len = strlen(msg1) + 1 + strlen(msg2) + 1 + strlen(msg3) + 2;
- char * msg = try_malloc(len, __func__);
- int test = sprintf(msg, "%s %s %s.", msg1, msg2, msg3);
- exit_trouble(test < 0, __func__, s[S_FCN_SPRINTF]);
- update_log(msg);
- free(msg);
- decrement_lifepoints(hitted);
-}
-
-
-
-static void playerbonus_wait()
-{
- update_log("You 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 = try_malloc(strlen(dsc_move) + strlen (dsc_dir) + 2, __func__);
- int test = sprintf(msg, "%s%s.", dsc_move, dsc_dir);
- exit_trouble(test < 0, __func__, s[S_FCN_SPRINTF]);
- update_log(msg);
- free(msg);
-}
-
-
-
-static void playerbonus_drop(uint8_t owns_none)
-{
- if (0 != owns_none)
- {
- update_log("You try to drop an object, but you own none.");
- return;
- }
- update_log("You drop an object.");
-}
-
-
-
-static void playerbonus_pick(uint8_t picked)
-{
- if (picked)
- {
- update_log("You pick up an object.");
- return;
- }
- update_log("You try to pick up an object, but there is none.");
-}
-
-
-
-static void playerbonus_use(uint8_t no_thing, uint8_t wrong_thing)
-{
- if (no_thing)
- {
- update_log("You try to use an object, but you own none.");
- return;
- }
- else if (wrong_thing)
- {
- update_log("You try to use this object, but fail.");
- return;
- }
- update_log("You consume this object.");
-}
-
-
-
-extern void actor_wait(struct Thing * t)
-{
- if (t == get_player())
- {
- playerbonus_wait();
- }
-}
-
-
-
-extern void actor_move(struct Thing * t)
-{
- char d = t->arg;
- struct Thing * other_t;
- struct yx_uint8 target = t->pos;
- uint8_t legal_move = mv_yx_in_dir_legal(d, &target);
- mv_yx_in_dir_legal(0, NULL);
- uint8_t passable = 0;
- if (legal_move)
- {
- passable = '.' == world.map.cells[target.y*world.map.length + target.x];
- for (other_t = world.things; other_t != 0; other_t = other_t->next)
- {
- if (0 == other_t->lifepoints || other_t == t)
- {
- continue;
- }
- if (target.y == other_t->pos.y && target.x == other_t->pos.x)
- {
- actor_hits_actor(t, other_t);
- return;
- }
- }
- }
- if (passable)
- {
- set_thing_position(t, target);
- build_fov_map(t);
- }
- if (t == get_player())
- {
- playerbonus_move(d, passable);
- }
-}
-
-
-
-extern void actor_drop(struct Thing * t)
-{
- uint8_t owns_none = (!t->owns);
- if (!owns_none)
- {
- uint8_t select = t->arg;
- struct Thing * owned = t->owns;
- uint8_t i = 0;
- for (; i != select; i++, owned = owned->next);
- own_thing(&world.things, &t->owns, owned->id);
- }
- if (t == get_player())
- {
- playerbonus_drop(owns_none);
- }
-}
-
-
-
-extern void actor_pick(struct Thing * t)
-{
- struct Thing * picked = NULL;
- struct Thing * t_i;
- uint8_t highest_id = 0;
- for (t_i = world.things; t_i; t_i = t_i->next)
- {
- if (t_i != t && t_i->pos.y == t->pos.y && t_i->pos.x == t->pos.x)
- {
- if (t_i->id >= highest_id) /* With several Things to pick, */
- { /* pick the one with the highest ID. */
- highest_id = t_i->id;
- picked = t_i;
- }
- }
- }
- if (picked)
- {
- own_thing(&t->owns, &world.things, picked->id);
- set_thing_position(picked, t->pos);
- }
- if (t == get_player())
- {
- playerbonus_pick(!(!picked));
- }
-}
-
-
-
-extern void actor_use(struct Thing * t)
-{
- uint8_t wrong_thing = 1;
- uint8_t no_thing = (!t->owns);
- if (!no_thing)
- {
- uint8_t select = t->arg;
- uint8_t i = 0;
- struct Thing * selected = t->owns;
- for (; i != select; i++, selected = selected->next);
- struct ThingType * tt = get_thing_type(selected->type);
- if (tt->consumable)
- {
- wrong_thing = 0;
- struct Thing * next = selected->next;
- free(selected);
- if (0 < select)
- {
- select--;
- selected = t->owns;
- for (i = 0; i != select; i++, selected = selected->next);
- selected->next = next;
- }
- else
- {
- t->owns = next;
- }
- t->satiation = t->satiation + tt->consumable > INT16_MAX ?
- INT16_MAX : t->satiation + tt->consumable;
- }
- }
- if (t == get_player())
- {
- playerbonus_use(no_thing, wrong_thing);
- }
-}
-
-
-
-extern void try_healing(struct Thing * t)
-{
- struct ThingType * tt = get_thing_type(t->type);
- if ( t->satiation > 0 && t->lifepoints < tt->lifepoints
- && 0 == (rrand() % 31)
- && get_thing_action_id_by_name(s[S_CMD_WAIT]) == t->command)
- {
- t->lifepoints++;
- t->satiation = t->satiation - 32;
- if (get_player() == t)
- {
- update_log("You heal.");
- }
- else
- {
- char * msg_part = " heals.";
- uint8_t len = strlen(tt->name) + strlen(msg_part) + 1;
- char * msg = try_malloc(len, __func__);
- int test = sprintf(msg, "%s%s", tt->name, msg_part);
- exit_trouble(test < 0, __func__, s[S_FCN_SPRINTF]);
- update_log(msg);
- free(msg);
- }
- }
-}
-
-
-
-extern void hunger(struct Thing * t)
-{
- if (t->satiation > INT16_MIN)
- {
- t->satiation--;
- }
- struct ThingType * tt = get_thing_type(t->type);
- uint16_t testbase = t->satiation < 0 ? -(t->satiation) : t->satiation;
- exit_err(!(tt->lifepoints), "A thing that should not hunger is hungering.");
- uint16_t endurance = INT16_MAX / tt->lifepoints;
- if ((testbase / endurance) / ((rrand() % endurance) + 1))
- {
- if (get_player() == t)
- {
- update_log("You suffer from hunger.");
- }
- else
- {
- char * msg_part = " suffers from hunger.";
- uint8_t len = strlen(tt->name) + strlen(msg_part) + 1;
- char * msg = try_malloc(len, __func__);
- int test = sprintf(msg, "%s%s", tt->name, msg_part);
- exit_trouble(test < 0, __func__, s[S_FCN_SPRINTF]);
- update_log(msg);
- free(msg);
- }
- decrement_lifepoints(t);
- }
-}
projects / plomrogue / blobdiff