player.cpp

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/*
 * Crossfire -- cooperative multi-player graphical RPG and adventure game
 *
 * Copyright (c) 1999-2014 Mark Wedel and the Crossfire Development Team
 * Copyright (c) 1992 Frank Tore Johansen
 *
 * Crossfire is free software and comes with ABSOLUTELY NO WARRANTY. You are
 * welcome to redistribute it under certain conditions. For details, please
 * see COPYING and LICENSE.
 *
 * The authors can be reached via e-mail at <crossfire@metalforge.org>.
 */

#include "global.h"

#include <stdlib.h>
#include <string.h>

void clear_player(player *pl) {
    client_spell *info;
    client_spell *next;

    /* Clear item stack (used by DMs only) */
    free(pl->stack_items);
    pl->stack_position = 0;

    info = pl->spell_state;
    while (info) {
        next = info->next;
        free(info);
        info = next;
    }
    if (pl->unarmed_skill)
        FREE_AND_CLEAR_STR(pl->unarmed_skill);

    for (uint8_t db = 0; db < pl->delayed_buffers_allocated; db++) {
        free(pl->delayed_buffers[db]);
    }
    FREE_AND_CLEAR(pl->delayed_buffers);
    pl->delayed_buffers_allocated = 0;
    pl->delayed_buffers_used = 0;
    if (pl->last_exit != NULL) {
        object_free(pl->last_exit, FREE_OBJ_NO_DESTROY_CALLBACK);
        pl->last_exit = NULL;
    }
    player_cancel_repeat(pl);
}

void free_player(player *pl) {
    if (first_player != pl) {
        player *prev = first_player;

        while (prev != NULL && prev->next != NULL && prev->next != pl)
            prev = prev->next;
        if (!prev || prev->next != pl) {
            LOG(llevError, "Free_player: Can't find previous player.\n");
            exit(1);
        }
        prev->next = pl->next;
    } else
        first_player = pl->next;

    if (pl->ob != NULL) {
        if (!QUERY_FLAG(pl->ob, FLAG_REMOVED))
            object_remove(pl->ob);
        object_free_drop_inventory(pl->ob);
    }

    clear_player(pl);
    free(pl);
}

int atnr_is_dragon_enabled(int attacknr) {
    if (attacknr == ATNR_MAGIC
    || attacknr == ATNR_FIRE
    || attacknr == ATNR_ELECTRICITY
    || attacknr == ATNR_COLD
    || attacknr == ATNR_ACID
    || attacknr == ATNR_POISON)
        return 1;
    return 0;
}

int is_dragon_pl(const object *op) {
    if (op != NULL
    && op->type == PLAYER
    && op->arch != NULL
    && op->arch->clone.race != NULL
    && strcmp(op->arch->clone.race, "dragon") == 0)
        return 1;
    return 0;
}

client_spell *get_client_spell_state(player *pl, object *spell) {
    client_spell *info = pl->spell_state;

    while (info) {
        if (info->spell == spell)
            return info;
        info = info->next;
    }
    /*
     * Why take the time to malloc() and then memset()?
     * Just calloc and its good to go!
     */
    info = (client_spell *)calloc(1, sizeof(client_spell));
    if (info == NULL)
        fatal(OUT_OF_MEMORY);
    info->next = pl->spell_state;
    info->spell = spell;
    pl->spell_state = info;
    return info;
}

int is_wraith_pl(object *op) {
    return op != NULL && op->type == PLAYER && op->arch != NULL && op->contr && op->contr->is_wraith;
}

int is_old_wraith_pl(object *op) {
    return op != NULL && op->type == PLAYER && op->arch != NULL && op->contr && op->contr->is_old_wraith && !is_wraith_pl(op);
}

void player_set_dragon_title(player *pl, int level, const char *attack, int skin_resist) {
    if (level == 0)
        snprintf(pl->title, sizeof(pl->title), "%s hatchling", attack);
    else if (level == 1)
        snprintf(pl->title, sizeof(pl->title), "%s wyrm", attack);
    else if (level == 2)
        snprintf(pl->title, sizeof(pl->title), "%s wyvern", attack);
    else if (level == 3)
        snprintf(pl->title, sizeof(pl->title), "%s dragon", attack);
    /* special titles for extra high resistance! */
    else if (skin_resist > 80)
        snprintf(pl->title, sizeof(pl->title), "legendary %s dragon", attack);
    else if (skin_resist > 50)
        snprintf(pl->title, sizeof(pl->title), "ancient %s dragon", attack);
    else
        snprintf(pl->title, sizeof(pl->title), "big %s dragon", attack);
    pl->own_title[0] = '\0';
}

void player_get_title(const player *pl, char *buf, size_t bufsize) {
    if (pl->own_title[0] == '\0')
        snprintf(buf, bufsize, "the %s", pl->title);
    else
        strlcpy(buf, pl->own_title, bufsize);
}

int player_has_own_title(const struct player *pl) {
    return pl->own_title[0] != '\0';
}

const char *player_get_own_title(const struct player *pl) {
    return pl->own_title;
}

void player_set_own_title(struct player *pl, const char *title) {
    strlcpy(pl->own_title, title, sizeof(pl->own_title));
    replace_unprintable_chars(pl->own_title);
}

void link_player_skills(object *op) {
    int skill;
    FOR_INV_PREPARE(op, tmp) {
        if (tmp->type == SKILL) {
            for (skill = 0; skill < MAX_SKILLS; skill++) {
                if (op->contr->last_skill_ob[skill] == NULL) {
                    /* Didn't find the skill, so add it */
                    op->contr->last_skill_ob[skill] = tmp;
                    op->contr->last_skill_exp[skill] = -1;
                    break;
                }
                if (op->contr->last_skill_ob[skill] == tmp) {
                    /* Skill already linked, nothing to do */
                    break;
                }
            }
        }
    } FOR_INV_FINISH();
}

void commit_crime(object *op, const char *description) {
    object *force = add_force(op, "criminal", 25); // 5 minutes
    object_set_msg(force, description);
}

bool is_criminal(object *op) {
    return find_force(op, "criminal");
}

void player_cancel_repeat(player *pl) {
    if (pl->repeat_func == NULL)
        return;

    char buf[MAX_BUF];
    snprintf(buf, sizeof(buf), "You stop %s.", pl->repeat_action);
    draw_ext_info(NDI_UNIQUE, 0, pl->ob, MSG_TYPE_COMMAND, MSG_TYPE_COMMAND_INFO, buf);
    pl->repeat_func = NULL;
    if (pl->repeat_action) {
        free_string(pl->repeat_action);
        pl->repeat_action = NULL;
    }
    if (pl->repeat_func_data != NULL) {
        free(pl->repeat_func_data);
        pl->repeat_func_data = NULL;
    }
}