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/* $Id: hero.c,v 1.1.1.1 2010/07/17 17:30:32 culot Exp $ */
/*
* Copyright (c) 2010 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.
*/
#include "oldrunner.h"
struct hero {
struct coord pos, initpos;
int state;
};
static struct hero hero;
void
hero_init (void)
{
hero.state = STATE_ALIVE;
hero_draw ();
usr_reset_input ();
}
void
hero_draw (void)
{
gfx_show_sprite (SP_HERO, &hero.pos);
}
void
hero_set_pos (const struct coord *pos)
{
coord_set_yx (&hero.pos, pos->y, pos->x);
if (hero.pos.y < 0)
lvl_won ();
}
void
hero_set_initpos (const struct coord *pos)
{
coord_set_yx (&hero.initpos, pos->y, pos->x);
}
void
hero_get_pos (struct coord *pos)
{
coord_set_yx (pos, hero.pos.y, hero.pos.x);
}
void
hero_get_initpos (struct coord *pos)
{
coord_set_yx (pos, hero.initpos.y, hero.initpos.x);
}
unsigned
hero_at_pos (const struct coord *pos)
{
if (coord_equal (&hero.pos, pos))
return 1;
return 0;
}
void
check_collisions (const struct coord *hero_pos)
{
if (lvl_got_hole_below (hero_pos))
{
struct coord below;
hero_trapped ();
coord_below (hero_pos, &below);
gfx_move_sprite (SP_HERO, hero_pos, &below);
hero_set_pos (&below);
}
else
{
if (foes_at_pos (hero_pos))
hero_die ();
money_check_at (hero_pos);
if (money_all_collected ())
lvl_draw_escape_ladder ();
}
}
void
hero_move (enum move move)
{
struct coord orig, dest;
/* First check if the move is valid with regards to current player state. */
if (hero.state & STATE_DIGGING)
return;
if ((hero.state & STATE_FALLING) && (move != MOV_FALL))
move = MOV_FALL;
/* Then check if the move is valid with regards to the level layout. */
hero_get_pos (&orig);
if (!lvl_valid_move (&orig, move, &dest, SP_HERO))
{
if (hero.state & STATE_FALLING)
hero.state &= ~STATE_FALLING;
return;
}
else
hero_set_pos (&dest);
if (move == MOV_FALL || lvl_nothing_below (&hero.pos))
hero.state |= STATE_FALLING;
gfx_move_sprite (SP_HERO, &orig, &hero.pos);
check_collisions (&hero.pos);
}
void
hero_dig (enum move dir)
{
struct coord heropos, digpos;
hero_get_pos (&heropos);
coord_set_yx (&digpos,
heropos.y + 1, heropos.x + (dir == MOV_RIGHT ? 1 : -1));
if (lvl_valid_dig (&digpos))
{
hero.state |= STATE_DIGGING;
bricks_break (&digpos);
}
}
void
hero_dig_done (void)
{
hero.state &= ~STATE_DIGGING;
}
void
hero_trapped (void)
{
hero.state |= STATE_TRAPPED | STATE_FALLING;
usr_reset_input ();
}
void
hero_die (void)
{
gfx_alert ();
game_lives_dec ();
lvl_lost ();
}
unsigned
hero_wallup_at (const struct coord *pos)
{
if (coord_equal (pos, &hero.pos))
{
hero_die ();
return 1;
}
return 0;
}
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