403 lines
7.6 KiB
C
403 lines
7.6 KiB
C
/*
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* ----------------------------------------------------------------------------
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* "THE BEER-WARE LICENSE" (Revision 42):
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* <struppi@struppi.name> wrote this file. As long as you retain this notice you
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* can do whatever you want with this stuff. If we meet some day, and you think
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* this stuff is worth it, you can buy me a beer in return.
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* (c) 2014 Stefan Rupp
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* ----------------------------------------------------------------------------
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*/
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#include "rgbyteclock.h"
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#include "timer.h"
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#include "ledcontroller.h"
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#include "util.h"
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#define SEED_RNG 0
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#define INIT 1
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#define INTRO 2
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#define INTRODUCE_COLORS 3
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#define SHOW_SEQUENCE 4
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#define GET_USER_SEQUENCE 5
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#define USER_GUESS_OK 6
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#define USER_GUESS_NOK 7
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#define EXTEND_SEQUENCE 8
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#define WIN 9
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int8_t show_intro( uint32_t now, uint32_t animation_start );
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int8_t show_introduce_colors( uint32_t now, uint32_t animation_start );
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void show_anim_wait_seed( uint32_t now, uint32_t animation_start );
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int8_t show_anim_ok( uint32_t now, uint32_t animation_start );
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int8_t show_anim_nok( uint32_t now, uint32_t animation_start );
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int8_t get_sequence( uint32_t now, uint32_t animation_start );
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int8_t show_anim_win( uint32_t now, uint32_t animation_start );
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static uint8_t sequence[12];
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static uint8_t sequence_index;
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static uint8_t input_sequence_index;
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static uint8_t colorScheme[2];
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void rgbyteclock(void) {
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uint32_t now, t1;
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uint16_t r,g,b; // colors
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int8_t end;
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uint8_t button = BUTTON_NONE;
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uint8_t gameState = SEED_RNG;
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ledcontroller_turn_all_on();
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DDRC &= ~(1<<PC5); // use pullup
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while ( 1 ) {
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now = timer_get( );
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switch( gameState ) {
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case SEED_RNG:
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// get seed for RNG from button press
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show_anim_wait_seed( now, t1 );
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button = get_button( );
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if( button != BUTTON_NONE ) {
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init_random( (uint16_t)(now - t1));
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gameState = INIT;
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t1 = now;
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}
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break;
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case INIT:
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PORTC &= ~(1<<PC5);
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sequence_index = 0;
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input_sequence_index = 0;
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gameState = INTRO;
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colorScheme[0] = (random()%6) +1;
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colorScheme[1] = colorScheme[0];
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while( colorScheme[0] == colorScheme[1] ) {
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colorScheme[1] = (random()%6) +1;
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}
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// all buttons dark
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for( int i=12; i<14; i++ ) {
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led_set( i, 0,0,0 );
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}
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t1 = now;
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break;
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case INTRO:
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// show a nice animation to indicate the start of the game
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end = show_intro( now, t1 );
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if( end ) {
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gameState = INTRODUCE_COLORS;
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t1 = now;
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}
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break;
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case INTRODUCE_COLORS:
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end = show_introduce_colors( now, t1 );
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if( end ) {
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gameState = EXTEND_SEQUENCE;
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t1 = now;
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}
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break;
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case SHOW_SEQUENCE:
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// TODO: animation that shows sequence color after color
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for( int i=0; i<sequence_index; i++ ) {
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get_color( &r, &g, &b, sequence[i] );
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led_set( i, r, g, b );
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}
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// display last color for 2 seconds
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if( now - t1 > 2000 || (get_button())) {
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// hide sequence
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for( int i=0; i<12; i++ ) {
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get_color( &r, &g, &b, COLOR_BLACK );
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led_set( i, r, g, b);
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}
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gameState = GET_USER_SEQUENCE;
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t1 = now;
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}
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break;
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case GET_USER_SEQUENCE:
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end = get_sequence( now, t1 );
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if( end == 1 ) {
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gameState = USER_GUESS_NOK;
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t1 = now;
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}
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if( end == 2 ) {
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gameState = USER_GUESS_OK;
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t1 = now;
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}
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break;
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case USER_GUESS_OK:
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end = show_anim_ok( now, t1 );
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if( end ) {
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gameState = EXTEND_SEQUENCE;
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t1 = now;
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}
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break;
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case USER_GUESS_NOK:
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end = show_anim_nok( now, t1 );
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if( end ) {
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gameState = INIT;
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t1 = now;
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}
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break;
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case EXTEND_SEQUENCE:
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if(sequence_index >= 12) {
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gameState = WIN;
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continue;
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}
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else {
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gameState = SHOW_SEQUENCE;
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}
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if( random()&1 ) {
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sequence[sequence_index] = colorScheme[0];
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}
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else {
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sequence[sequence_index] = colorScheme[1];
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}
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sequence_index++;
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break;
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case WIN:
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end = show_anim_win( now, t1 );
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if( end ) {
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gameState = INIT;
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t1 = now;
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}
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break;
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}
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led_flush( );
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}
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}
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int8_t get_sequence( uint32_t now, uint32_t animation_start ) {
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uint16_t r,g,b;
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uint8_t button;
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uint8_t color;
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uint8_t guessOK;
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button = get_button( );
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color = sequence[input_sequence_index];
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guessOK = 0;
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if( button == BUTTON_RO ) {
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if( color == colorScheme[0] ) {
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guessOK = 1;
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}
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}
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else if( button == BUTTON_LO ) {
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if( color == colorScheme[1] ) {
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guessOK = 1;
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}
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}
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else {
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return 0;
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}
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if( guessOK ) {
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// draw what user entered until now
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get_color( &r, &g, &b, color );
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led_set( input_sequence_index, r, g, b );
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input_sequence_index++;
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if( input_sequence_index >= sequence_index) {
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input_sequence_index = 0;
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return 2; // entire sequence right
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}
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return 0; // right but not finished
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}
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return 1; // user guessed wrong
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}
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/*
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##############
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# ANIMATIONS #
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##############
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*/
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int8_t show_introduce_colors( uint32_t now, uint32_t animation_start ) {
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uint32_t t_diff = now - animation_start;
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uint16_t r,g,b;
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// all ring LEDs off
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for( int i=0; i<12; i++ ) {
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led_set( i, 0,0,0 );
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}
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if( t_diff%100 < 50 ) {
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// put gamecolors on the buttons
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get_color( &r, &g, &b, colorScheme[0] );
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led_set( 12, r, g, b); // RO
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get_color( &r, &g, &b, colorScheme[1] );
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led_set( 13, r, g, b); // LO
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}
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else {
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for( int i=12; i<14; i++ ) {
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get_color( &r, &g, &b, COLOR_BLACK );
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led_set( i, r,g,b );
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}
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}
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if( t_diff > 1000 ) {
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return 1;
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}
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return 0;
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}
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void show_anim_wait_seed( uint32_t now, uint32_t animation_start ) {
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uint32_t t_diff = (now - animation_start)%1000;
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uint16_t w;
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if( t_diff < 500 ) {
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// fade up
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w = (MAX_BRIGHTNESS/500) * t_diff;
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for( int i=0; i<12; i++ ) {
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led_set( i, w, w, w);
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}
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}
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else {
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// fade down
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w = MAX_BRIGHTNESS - (MAX_BRIGHTNESS/500) * (t_diff-500);
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for( int i=0; i<12; i++ ) {
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led_set( i, w, w, w);
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}
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}
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}
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int8_t show_intro( uint32_t now, uint32_t animation_start ) {
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// Animation: rotate a single LED once across the circle
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uint32_t t_diff = now - animation_start;
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uint16_t r,g,b;
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uint8_t index;
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index = (t_diff%1200)/100;
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if( !(t_diff % 100) ) {
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// every 100ms
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get_color( &r, &g, &b, (random()%6)+1 );
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led_set( index, r, g, b );
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}
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// next LED in line is dark to mark the update spot better
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index++;
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led_set( index%12, 0,0,0 );
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if( now - animation_start > 2400 ) {
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return 1;
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}
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return 0;
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}
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int8_t show_anim_ok( uint32_t now, uint32_t animation_start ) {
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uint32_t t_diff = now - animation_start;
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uint16_t g;
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if( t_diff < 500 ) {
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g = (MAX_BRIGHTNESS/500) * t_diff;
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for( int i=0; i<12; i++ ) {
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led_set( i, 0x00, g, 0x00);
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}
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}
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else {
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g = MAX_BRIGHTNESS - (MAX_BRIGHTNESS/500) * (t_diff-500);
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for( int i=0; i<12; i++ ) {
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led_set( i, 0x00, g, 0x00);
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}
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}
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if( t_diff > 1000 ) {
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return 1;
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}
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return 0;
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}
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int8_t show_anim_nok( uint32_t now, uint32_t animation_start ) {
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uint32_t t_diff = now - animation_start;
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uint16_t r,g,b;
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if( t_diff%100 < 50 ) {
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for( int i=0; i<12; i++ ) {
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get_color( &r, &g, &b, COLOR_RED );
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led_set( i, r,g,b );
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}
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}
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else {
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for( int i=0; i<12; i++ ) {
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get_color( &r, &g, &b, COLOR_BLACK );
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led_set( i, r,g,b );
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}
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}
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if( t_diff > 1000 ) {
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return 1;
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}
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return 0;
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}
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int8_t show_anim_win( uint32_t now, uint32_t animation_start ) {
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uint32_t t_diff = now - animation_start;
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uint16_t b;
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if( t_diff < 1000 ) {
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b = (MAX_BRIGHTNESS/1000) * t_diff;
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for( int i=0; i<12; i++ ) {
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led_set( i, 0x00, 0x00, b);
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}
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}
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else {
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b = MAX_BRIGHTNESS - (MAX_BRIGHTNESS/1000) * (t_diff-1000);
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for( int i=0; i<12; i++ ) {
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led_set( i, 0x00, 0x00, b);
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}
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}
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if( t_diff > 2000 ) {
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return 1;
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}
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return 0;
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}
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