borgware-2d/games/breakout/breakout.c

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/*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along with
* this program; if not, write to the Free Software Foundation, Inc., 59 Temple
* Place - Suite 330, Boston, MA 02111-1307 USA.
*
* Author & Copyright (C) 2010: Soeren Heisrath (forename@surename.org)
*
*/
#include "common.h"
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#include "breakout.h"
#ifdef MENU_SUPPORT
//static uint8_t breakout_icon[8] PROGMEM = {0x03, 0x03, 0x00, 0x00, 0xff, 0xff, 0x00, 0x00}; /* our Icon */
static uint8_t breakout_icon[8] PROGMEM = {0x00, 0x18, 0x18, 0x00, 0x00, 0xff, 0xff, 0x00}; /* our Icon */
game_descriptor_t breakout_game_descriptor __attribute__((section(".game_descriptors"))) =
{
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&borg_breakout_game,
breakout_icon
};
#endif
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void borg_breakout_game()
{
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borg_breakout(0);
}
void borg_breakout(uint8_t demomode)
{
uint8_t ignorescore_buffer = ignorescore;
uint16_t cycles = DEMO_CYCLES;
uint8_t level;
if (demomode)
{
level = random8() % 5;
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ignorescore = 1;
}
else
{
level = 0;
ignorescore = 0;
}
ball_t balls[1];
/* spawn a ball in the middle bottom of the field, let it move upwards with random speed & direction */
ball_spawn_default(&(balls[0]));
balls[0].strength = START_LIFES;
level_init(level);
uint8_t tick_divider = 0;
rebound_init();
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while (cycles != 0)
{
wait(25);
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if ((tick_divider % 2) || JOYISFIRE)
rebound_tick(demomode ? &balls[0] : NULL);
if (tick_divider % 2)
{
ball_think(&(balls[0]));
playfield_draw();
ball_draw(&(balls[0]));
if (!balls[0].strength)
{
print_score();
break;
}
if (!level_getscorediff())
{
level++;
/* respawn ball at rebound position */
ball_spawn_default (&(balls[0]));
balls[0].strength++;
level_init(level);
rebound_init();
}
}
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if (demomode)
--cycles;
// alternate the value of the tick divider
tick_divider = tick_divider ? 0 : 1;
}
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ignorescore = ignorescore_buffer;
}