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/*
* File: stuff.cc
* Summary: Misc stuff.
* Written by: Linley Henzell
*
* Modified for Crawl Reference by $Author$ on $Date$
*
* Change History (most recent first):
*
* <3> 11/14/99 cdl added random40
* <2> 11/06/99 cdl added random22
* <1> -/--/-- LRH Created
*/
#ifndef STUFF_H
#define STUFF_H
#include "externs.h"
std::string make_time_string(time_t abs_time, bool terse = false);
void set_redraw_status( unsigned long flags );
void tag_followers();
void untag_followers();
void seed_rng();
void seed_rng(long seed);
void push_rng_state();
void pop_rng_state();
void cf_setseed();
bool coinflip();
int div_rand_round( int num, int den );
bool one_chance_in(int a_million);
int random2(int randmax);
int random_range(int low, int high);
unsigned long random_int();
int random2avg( int max, int rolls );
int bestroll(int max, int rolls);
int roll_dice( int num, int size );
int roll_dice( const struct dice_def &dice );
void scale_dice( dice_def &dice, int threshold = 24 );
int random2limit(int max, int limit);
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 stat_div( 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 end(int exit_code, bool print_err = false,
const char *message = NULL, ...);
void modify_all_stats(int STmod, int IQmod, int DXmod);
void redraw_screen();
void canned_msg(canned_message_type which_message);
bool yesno( const char * str, bool safe = true, int safeanswer = 0,
bool clear_after = true, bool interrupt_delays = true,
bool noprompt = false );
int yesnoquit( const char* str, bool safe = true,
int safeanswer = 0, bool clear_after = true );
bool in_bounds( int x, int y );
bool map_bounds( int x, int y );
inline bool in_bounds(const coord_def &p)
{
return in_bounds(p.x, p.y);
}
inline bool map_bounds(const coord_def &p)
{
return map_bounds(p.x, p.y);
}
int grid_distance( int x, int y, int x2, int y2 );
int distance( int x, int y, int x2, int y2);
bool adjacent( int x, int y, int x2, int y2 );
bool silenced(char x, char y);
bool player_can_hear(char x, char y);
unsigned char random_colour();
unsigned char random_uncommon_colour();
bool is_element_colour( int col );
int element_colour( int element, bool no_random = false );
char index_to_letter (int the_index);
int letter_to_index(int the_letter);
int near_stairs(int px, int py, int max_dist, unsigned char &stair_gfx);
inline bool testbits(unsigned long flags, unsigned long test)
{
return ((flags & test) == test);
}
inline int cap_int(int val, int cap)
{
return (val > cap? cap : val);
}
template <typename Z> inline Z sgn(Z x)
{
return (x < 0? -1 : (x > 0? 1 : 0));
}
bool is_trap_square(int x, int y);
void zap_los_monsters();
#endif
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