stuff.h

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/*
 *  File:       stuff.h
 *  Summary:    Misc stuff.
 *  Written by: Linley Henzell
 */


#ifndef STUFF_H
#define STUFF_H

#include <map>

std::string make_time_string(time_t abs_time, bool terse = false);
std::string make_file_time(time_t when);

void set_redraw_status(uint64_t flags);
void tag_followers();
void untag_followers();

// stack_iterator guarantees validity so long as you don't manually
// mess with item_def.link: i.e., you can kill the item you're
// examining but you can't kill the item linked to it.
class stack_iterator : public std::iterator<std::forward_iterator_tag,
                                            item_def>
{
public:
    explicit stack_iterator(const coord_def& pos, bool accessible = false);
    explicit stack_iterator(int start_link);

    operator bool() const;
    item_def& operator *() const;
    item_def* operator->() const;
    int link() const;

    const stack_iterator& operator ++ ();
    stack_iterator operator ++ (int);
private:
    int cur_link;
    int next_link;
};

int stepdown_value(int base_value, int stepping, int first_step,
                   int last_step, int ceiling_value);
int stat_mult(int stat_level, int value, int div = 20, int shift = 3);
int skill_bump(int skill);
unsigned char get_ch();

void cio_init();
void cio_cleanup();
void clear_globals_on_exit();
NORETURN void end(int exit_code, bool print_err = false,
         const char *format = NULL, ...);
NORETURN void game_ended();
NORETURN void game_ended_with_error(const std::string &message);

bool print_error_screen(const char *message, ...);
void redraw_screen();

void canned_msg(canned_message_type which_message);

bool yes_or_no(const char* fmt, ...);
typedef std::map<int, int> explicit_keymap;
bool yesno(const char * str, bool safe = true, int safeanswer = 0,
            bool clear_after = true, bool interrupt_delays = true,
            bool noprompt = false,
            const explicit_keymap *map = NULL,
            GotoRegion = GOTO_MSG);

int yesnoquit(const char* str, bool safe = true, int safeanswer = 0,
               bool allow_all = false, bool clear_after = true,
               char alt_yes = 'Y', char alt_yes2 = 'Y');

bool player_can_hear(const coord_def& p, int hear_distance = 999);

char index_to_letter(int the_index);

int letter_to_index(int the_letter);

int near_stairs(const coord_def &p, int max_dist,
                dungeon_char_type &stair_type, branch_type &branch);

coord_def get_random_stair();

inline bool testbits(uint64_t flags, uint64_t test)
{
    return ((flags & test) == test);
}

void zap_los_monsters(bool items_also);

int random_rod_subtype();

maybe_bool frombool(bool b);
bool tobool(maybe_bool mb, bool def);
bool tobool(maybe_bool mb);

class game_ended_condition : public std::exception
{
};

int prompt_for_int(const char *prompt, bool nonneg);

#endif

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