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133 lines
3.1 KiB
133 lines
3.1 KiB
/** @file gobble6.c
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@author M.P. Hayes
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@date 29 Sep 2013
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@brief A simple game where a monster has to capture `things' that run away.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include "system.h"
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#include "pacer.h"
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#include "navswitch.h"
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#include "led.h"
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#include "timer.h"
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#include "tinygl.h"
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#include "../fonts/font3x5_1.h"
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#include "things.h"
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#define LOOP_RATE 200
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#define MOVE_RATE 25
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#define NAVSWITCH_RATE 50
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#define MONSTER_FLASH_RATE 5
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int main (void)
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{
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uint16_t things_move_tick = 0;
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uint16_t navswitch_tick = 0;
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uint16_t monster_flash_tick = 0;
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bool running = 0;
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bool game_over = 1;
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int duration = 0;
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system_init ();
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navswitch_init ();
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led_init ();
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led_set (LED1, 0);
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tinygl_init (LOOP_RATE);
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tinygl_font_set (&font3x5_1);
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tinygl_text_mode_set (TINYGL_TEXT_MODE_SCROLL);
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tinygl_text_dir_set (TINYGL_TEXT_DIR_ROTATE);
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pacer_init (LOOP_RATE);
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tinygl_text ("GOBBLE6: PUSH TO START");
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while (1)
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{
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uint8_t col;
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/* Refresh things. */
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for (col = 0; col < TINYGL_WIDTH; col++)
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{
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pacer_wait ();
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tinygl_update ();
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}
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/* Poll the navswitch and update monster position. */
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navswitch_tick++;
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if (navswitch_tick >= LOOP_RATE / NAVSWITCH_RATE)
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{
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navswitch_tick = 0;
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navswitch_update ();
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if (navswitch_push_event_p (NAVSWITCH_NORTH))
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things_monster_move (0, -1);
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if (navswitch_push_event_p (NAVSWITCH_SOUTH))
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things_monster_move (0, 1);
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if (navswitch_push_event_p (NAVSWITCH_EAST))
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things_monster_move (1, 0);
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if (navswitch_push_event_p (NAVSWITCH_WEST))
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things_monster_move (-1, 0);
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/* Pause/resume things running around. */
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if (navswitch_push_event_p (NAVSWITCH_PUSH))
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{
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if (! running && game_over)
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{
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srand (timer_get ());
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tinygl_clear ();
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things_create ();
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duration = 0;
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game_over = 0;
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}
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running = !running;
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led_set (LED1, running);
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}
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if (running && things_killed_p ())
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{
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char buffer[6];
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running = 0;
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game_over = 1;
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led_set (LED1, 0);
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sprintf (buffer, "%d", duration);
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tinygl_text (buffer);
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}
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}
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/* Move the things. */
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things_move_tick++;
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if (things_move_tick >= LOOP_RATE / MOVE_RATE)
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{
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things_move_tick = 0;
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if (running)
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{
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duration++;
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things_move ();
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}
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}
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/* Flash the monster. */
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monster_flash_tick++;
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if (monster_flash_tick >= LOOP_RATE / MONSTER_FLASH_RATE / 2)
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{
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monster_flash_tick = 0;
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if (running)
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things_monster_toggle ();
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}
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}
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return 0;
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}
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