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messages.c
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messages.c
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/**
* Program: UCFK4 Snake
* Module: messages.c
* Authors: Francis Phan, Richard Li
* Description: Tinygl modules to display various menus and texts in the
**/
/** INCLUDE HEADER FILES **/
#include <stdint.h>
#include <stdlib.h>
#include <stdio.h>
#include "system.h"
#include "tinygl.h"
#include "pacer.h"
#include "navswitch.h"
#include "led.h"
#include "display.h"
#include "../fonts/font3x5_1.h"
#include "font.h"
#include "pio.h"
#include "slithering.h"
#include "game.h"
#include "messages.h"
/** Initialise tinygl.
* @param none
* @return 0 **/
int tiny_text_init(void)
{
tinygl_init(LOOP_RATE);
tinygl_font_set(&font3x5_1);
tinygl_text_speed_set(MESSAGE_RATE);
tinygl_text_mode_set(TINYGL_TEXT_MODE_SCROLL);
tinygl_text_dir_set(TINYGL_TEXT_DIR_ROTATE); // horizontal
return 0;
}
/** Display text, be it Well played, Game Over, or Snake
* @param text code (0 for Snake, 1 for Game Over, 2 for Well Played) and if closing the message by pushing the navswitch button is needed
* @return 1 if the navswitch has been pressed, if navswitch is needed to close the message, else return 0 **/
int display_text(int text_to_display, int require_exit_by_pushing_navswitch)
{
tinygl_text_mode_set (TINYGL_TEXT_MODE_SCROLL);
tinygl_clear();
tiny_text_init();
if (text_to_display == 0) {
tinygl_text("SNAKE SNAKE SNAKE SNAKE SNAKE SNAKE SNAKE");
} else if (text_to_display == 1) {
tinygl_text("GAME OVER GAME OVER GAME OVER GAME OVER GAME OVER");
} else if (text_to_display == 2) {
tinygl_text("WELL PLAYED WELL PLAYED WELL PLAYED WELL PLAYED WELL PLAYED");
}
navswitch_init();
pacer_init (LOOP_RATE);
while (1)
{
pacer_wait(); /* Wait for next tick. */
tinygl_update();
navswitch_update();
if (require_exit_by_pushing_navswitch == PUSH_NAVSWITCH_TO_EXIT) {
if (navswitch_push_event_p(NAVSWITCH_PUSH)) {
return 1;
}
}
}
return 0;
}
/** Allows user to choose Level 1 2 or 3 using the navswitch
* @param none.
* @return the chosen level **/
int level_chooser(void)
{
int level = 1;
tinygl_clear();
tiny_text_init();
tinygl_text_mode_set(TINYGL_TEXT_MODE_STEP);
tinygl_text("L1");
while(1)
{
pacer_wait();
tinygl_update();
navswitch_update();
if (navswitch_push_event_p(NAVSWITCH_NORTH)) {
if (level == 3) {
level = 1;
} else {
level++;
}
if (level == 1) {
tinygl_text("L1");
} else if (level == 2) {
tinygl_text("L2");
} else if (level == 3) {
tinygl_text("L3");
}
} else if (navswitch_push_event_p(NAVSWITCH_SOUTH)) {
if (level == 1) {
level = 3;
} else {
level--;
}
if (level == 1) {
tinygl_text("L1");
} else if (level == 2) {
tinygl_text("L2");
} else if (level == 3) {
tinygl_text("L3");
}
} else if (navswitch_push_event_p(NAVSWITCH_PUSH)) {
tinygl_clear();
return level;
}
}
return 0;
}
/** Display user score
* @param the snake
* @return 1 if the navswitch is pushed to exit the user score screen **/
int display_score(snake_t my_snake)
{
tiny_text_init();
tinygl_text_mode_set(TINYGL_TEXT_MODE_STEP);
tinygl_clear(); // clear
switch(my_snake.body_length) {
case 0:
tinygl_text("00");
break;
case 1:
tinygl_text("01");
break;
case 2:
tinygl_text("02");
break;
case 3:
tinygl_text("03");
break;
case 4:
tinygl_text("04");
break;
case 5:
tinygl_text("05");
break;
case 6:
tinygl_text("06");
break;
case 7:
tinygl_text("07");
break;
case 8:
tinygl_text("08");
break;
case 9:
tinygl_text("09");
break;
case 10:
tinygl_text("10");
break;
case 11:
tinygl_text("11");
break;
case 12:
tinygl_text("12");
break;
}
navswitch_init();
pacer_init (LOOP_RATE);
while (1)
{
pacer_wait(); /* Wait for next tick. */
tinygl_update();
navswitch_update();
if (navswitch_push_event_p(NAVSWITCH_PUSH)) {
return 1;
}
}
return 0;
}