/* $Id: oldrunner.h,v 1.2 2012/01/06 10:11:30 culot Exp $ */
/* vim: et ai sts=2 ts=2 sw=2:
* */
/*
* Copyright (c) 2010, 2012 Frederic Culot <frederic@culot.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above
* copyright notice, this list of conditions and the
* following disclaimer.
*
* - Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the
* following disclaimer in the documentation and/or other
* materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef OLDRUNNER_H
#define OLDRUNNER_H
#include <stdlib.h>
#include <stdio.h>
#include "config.h"
#include "compat.h"
#include "cfg.h"
/* Option to set auto-center mode on/off */
#define AUTO_CENTER_MODE 0
/* Game level screen properties. */
#define LEVEL_DEFAULT_WIDTH 26
#define LEVEL_DEFAULT_HEIGHT 16
#define LEVEL_MAX_WIDTH 128
#define LEVEL_MAX_HEIGHT 128
#define VIEWPORT_WIDTH 80
#define VIEWPORT_HEIGHT 24
/* Possible characters states. */
#define STATE_ALIVE 0x01
#define STATE_FALLING 0x02
#define STATE_DIGGING 0x04
#define STATE_TRAPPED 0x08
/* Game sprites. */
enum sprite {
/* Sprites used to draw a level. */
SP_NONE,
SP_BRICK,
SP_BRICK_SCRACK,
SP_BRICK_LCRACK,
SP_BRICK_BROKEN,
SP_CIMENT,
SP_FAKE_BRICK,
SP_LADDER,
SP_ROPE,
SP_ESCAPE_LADDER,
/* Sprites used for objects. */
SP_MONEY,
/* Sprites used to draw characters. */
SP_HERO,
SP_FOE,
SP_INVALID,
SPRITES
};
enum move {
MOV_UP,
MOV_DOWN,
MOV_LEFT,
MOV_RIGHT,
MOV_FALL,
MOV_NONE,
MOVES
};
struct size {
unsigned h; /* height */
unsigned w; /* width */
};
struct coord {
int y; /* Position on the vertical axis. */
int x; /* Position on the horizontal axis. */
};
struct timer {
double time; /* time in usec. */
double elapsed;
};
/* Structure defining all possible user inputs. */
struct usr_input {
int key;
};
struct game_info {
#define NO_CHANGE 0x0
#define LEVEL_CHANGE 0x1
#define SCORE_CHANGE 0x2
#define LIVES_CHANGE 0x4
int state;
unsigned level;
unsigned score;
unsigned lives;
};
#define STRINGIFY(x) #x
#define TOSTRING(x) STRINGIFY(x)
#define __FILE_POS__ __FILE__ ":" TOSTRING(__LINE__)
#define ERROR_MSG(...) do { \
char msg[BUFSIZ]; \
int len; \
\
len = snprintf (msg, BUFSIZ, "%s: %d: ", __FILE__, __LINE__); \
(void)snprintf (msg + len, BUFSIZ - len, __VA_ARGS__); \
(void)fprintf (stderr, "%s\n", msg); \
} while (0)
#define EXIT(...) do { \
ERROR_MSG(__VA_ARGS__); \
exit (1); \
} while (0)
#define EXIT_IF(cond, ...) do { \
if ((cond)) \
EXIT(__VA_ARGS__); \
} while (0)
/* bricks.c */
#define BRICK_COMEBACK_TIME (OLDRUNNER_TIMEOUT * 80)
void bricks_init (void);
void bricks_free (void);
void bricks_break (const struct coord *);
void bricks_draw (void);
void bricks_update (void);
unsigned bricks_broken_at (const struct coord *);
/* coord.c */
void coord_copy (const struct coord *, struct coord *);
void coord_below (const struct coord *, struct coord *);
void coord_above (const struct coord *, struct coord *);
enum move coord_opposite_dir (enum move);
void coord_compute (const struct coord *, enum move, struct coord *);
void coord_set_yx (struct coord *, int, int);
unsigned coord_equal (const struct coord *, const struct coord *);
void coord_diff (const struct coord *, const struct coord *,
struct coord *);
/* foes.c */
void foes_init (void);
void foes_free (void);
void foes_add (const struct coord *);
void foes_draw (void);
unsigned foes_at_pos (const struct coord *);
void foes_update_pos (void);
unsigned foes_wallup_at (const struct coord *);
/* game.c */
void game_won (void);
void game_init (int);
void game_end (void);
void game_update (void);
unsigned game_load (const char *);
void game_score_inc (void);
int game_level_num (void);
void game_level_inc (void);
void game_level_dec (void);
void game_lives_inc (void);
void game_lives_dec (void);
/* gfx.c */
void gfx_init (void);
void gfx_end (void);
void gfx_alert (void);
void gfx_center_at (struct coord *);
void gfx_update (void);
void gfx_get_input (struct usr_input *);
void gfx_show_sprite (enum sprite, const struct coord *);
void gfx_move_sprite (enum sprite, const struct coord *, const struct coord *);
void gfx_update_info (const struct game_info *);
void gfx_popup (const char *, const char *);
void gfx_game_over (void);
void gfx_game_won (void);
/* hero.c */
void hero_init (void);
void hero_draw (void);
void hero_set_pos (const struct coord *);
void hero_set_initpos (const struct coord *);
void hero_get_pos (struct coord *);
void hero_get_initpos (struct coord *);
unsigned hero_at_pos (const struct coord *);
void hero_move (enum move);
void hero_dig (enum move);
void hero_dig_done (void);
void hero_trapped (void);
void hero_die (void);
unsigned hero_wallup_at (const struct coord *);
/* io.c */
FILE *io_fopen (const char *);
void io_fclose (FILE *);
char *io_getln (FILE *);
/* lvl.c */
void lvl_started (void);
enum sprite lvl_decor_at_pos (const struct coord *);
void lvl_init (void);
unsigned lvl_load (int);
unsigned lvl_load_next (void);
unsigned lvl_load_prev (void);
void lvl_won (void);
void lvl_lost (void);
void lvl_draw_escape_ladder (void);
unsigned lvl_set_name (const char *);
unsigned lvl_set_author (const char *);
unsigned lvl_set_size (char *);
unsigned lvl_set_row (int, int, const char *);
unsigned lvl_width (void);
unsigned lvl_height (void);
unsigned lvl_add_new (void);
unsigned lvl_valid_move (const struct coord *, enum move, struct coord *,
enum sprite);
unsigned lvl_valid_dig (const struct coord *);
unsigned lvl_nothing_below (const struct coord *);
unsigned lvl_obstacle_at (const struct coord *);
void lvl_objects_update (void);
unsigned lvl_got_hole_below (const struct coord *);
enum move lvl_shortest_way (const struct coord *, enum move, enum move);
int lvl_random_xpos (void);
enum move lvl_random_hdir (void);
/* mem.c */
void *xmalloc (size_t);
void *xcalloc (size_t, size_t);
void *xrealloc (void *, size_t, size_t);
char *xstrdup (const char *);
void xfree (void *);
/* money.c */
void money_init (void);
void money_free (void);
void money_add (const struct coord *);
void money_draw (void);
void money_check_at (const struct coord *);
unsigned money_all_collected (void);
/* timer.c */
void timer_get_time (struct timer *);
void timer_start (struct timer *);
void timer_stop (struct timer *);
double timer_diff (const struct timer *, const struct timer *);
double timer_elapsed (const struct timer *);
void timer_set (const struct timer *, struct timer *);
void timer_add (struct timer *, double);
unsigned timer_delay_elapsed (struct timer *, double);
/* usr.c */
void usr_input (void);
void usr_reset_input (void);
#endif /* OLDRUNNER_H */