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Added actual puzzle code now that con is over
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@szczys
szczys committed Nov 6, 2018
1 parent 1f23976 commit 7ce6d8a
Showing 1 changed file with 343 additions and 9 deletions.
352 changes: 343 additions & 9 deletions firmware/badge-supercon18.X/src/puzzle.c
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Original file line number Diff line number Diff line change
Expand Up @@ -4,8 +4,122 @@

#include "badge_user.h"

#define SHUFFLE_ROW 4
#define TILE_ROW 8
#define TILE_OFFSETX 1
#define TILE_SIZEX 4
#define SCORE_ROW 16
#define EMPTY 10
#define POINT 11
#define RIGHT 1
#define LEFT -1

#define SOLVED 0
#define UNSOLVED 1
#define NEUTRAL 2
#define CARDS 3
#define POINTER 4


/* prototypes */
void draw_header(uint8_t status);



const uint8_t tile_colors[][2] =
{
{ 15,2 },
{ 15,4 },
{ 15,8 },
{ 15,9 },
{ 10,0 },
};

const uint8_t glyph[] =
{
0b00000000,
0b00110000,
0b00111100,
0b00110001,
0b00110010,
0b00010000,
0b00111000,
0b00001111,
0b00011111,
0b00010010,
0b00111010,
0b00111001,
0b00100110,
0b00110100,
0b00000110,
0b00010100,
0b00100011,
0b00100111,
0b00010110,
0b00100010,
0b00000010,
0b00000111,
0b00101010,
0b00001110,
0b00101111,
0b00010101,
0b00111011,
0b00011100,
0b00110011,
0b00011101,
0b00101011,
0b00011110,
0b00111101,
0b00110101,
0b00010111,
0b00110110,
0b00101110,
0b00110111,
0b00111110
};

const uint8_t cypher0[19] = { 8, 21, 2, 15, 17, 4, 21, 23, 22, 2, 8, 26, 1, 26, 20, 4, 23, 23, 35 };
const uint8_t cypher1[19] = { 4, 28, 1, 14, 6, 7, 18, 3, 13, 1, 28, 8, 5, 21, 25, 4, 10, 17, 22 };

const uint8_t puzzle_messages[2][14] = { " Use Arrows ", "Winner Winner" };

void glyph_line(uint8_t data)
{
uint8_t i;
for (i=0; i<8; i++)
{
if (data & 1<<(7-i)) TFT_24_7789_Write_Data3(0xFF,0xFF,0xFF);
else TFT_24_7789_Write_Data3(0,0,0);
}
}
void draw_glyph(uint8_t idx, uint16_t x, uint16_t y)
{
uint8_t font[2] = {0,0};

uint8_t i;
for (i=0; i<3; i++)
{
if (glyph[idx] & (1<<i))
{
font[0] |= 1<<(i*3);
font[0] |= 1<<((i*3)+1);
}
if (glyph[idx] & (1<<(i+3)))
{
font[1] |= 1<<(i*3);
font[1] |= 1<<((i*3)+1);
}
}
tft_set_write_area(x,y,7,4);
TFT_24_7789_Write_Command(0x2C);
//FIXME: Why do I need these +1 adjustments. Off-by-one in tft_set_write_area?
glyph_line(font[1]);
glyph_line(font[1]);
glyph_line(0);
glyph_line(font[0]);
glyph_line(font[0]);
}

void puzzle_init(void)
{
/* This will run when User Program is first selected form the menu */
Expand All @@ -14,23 +128,243 @@ void puzzle_init(void)
draw_header(0);
}

void repeat_char(uint8_t times, uint8_t character)
{
uint8_t i;
for (i=0; i<times; i++) stdio_c(character);
}

void draw_single_tile(uint8_t x, uint8_t y, uint8_t letter, uint8_t colorIdx)
{
video_gotoxy(TILE_OFFSETX+(x*TILE_SIZEX),y);
video_set_color(tile_colors[colorIdx][0],tile_colors[colorIdx][1]);
stdio_c(201); stdio_c(205); stdio_c(187);
video_gotoxy(TILE_OFFSETX+(x*TILE_SIZEX),y+1);
stdio_c(186); stdio_c(letter); stdio_c(186);
//video_set_color(16,tile_colors[colorIdx][0]);

//video_set_color(tile_colors[colorIdx][0],tile_colors[colorIdx][1]);

video_gotoxy(TILE_OFFSETX+(x*TILE_SIZEX),y+2);
stdio_c(200); stdio_c(205); stdio_c(188);
}

void erase_single_tile(uint8_t x, uint8_t y)
{
uint8_t i;
video_set_color(0,0);
for (i=0; i<3; i++)
{
video_gotoxy(TILE_OFFSETX+(x*TILE_SIZEX),y+i);
repeat_char(3,' ');
}
}

void draw_pointer(uint8_t x, uint8_t y, uint8_t colorIdx)
{
video_gotoxy(TILE_OFFSETX+(x*TILE_SIZEX),y);
video_set_color(tile_colors[colorIdx][0],tile_colors[colorIdx][1]);
stdio_write(" | ");
video_gotoxy(TILE_OFFSETX+(x*TILE_SIZEX),y+1);
stdio_write(" | ");
video_gotoxy(TILE_OFFSETX+(x*TILE_SIZEX),y+2);
stdio_write(" v ");
}

void draw_all_tiles(uint8_t tiles[], uint8_t row)
{
uint8_t i;
uint8_t str[2] = { ' ',0};
video_gotoxy(10,row);
for (i=0; i<10; i++) {
if (tiles[i] == EMPTY) erase_single_tile(i,row);
else if (tiles[i] == POINT) draw_pointer(i,row,POINTER);
else
{
draw_single_tile(i,row,tiles[i]+'0',CARDS);
}
}
}

void draw_score(uint8_t scores[])
{
uint8_t i;
for (i=0; i<10; i++)
{
if (scores[i] > 0) draw_single_tile(i,SCORE_ROW,(i+1)%10+'0',SOLVED);
else draw_single_tile(i,SCORE_ROW,(i+1)%10+'0',UNSOLVED);
}
}

void draw_header(uint8_t status) {
video_set_color(15,2);
video_gotoxy(0,9);
if (status)
{
video_set_color(15,2);
}
else
{
video_set_color(15,4);
}
video_gotoxy(0,0);
uint8_t i;
for (i=0; i<120; i++) stdio_c(' ');
video_gotoxy(1,9);
//We just want to keep the puzzle secret until someone solves it.
//See the official .hex file to reflash badge with puzzle intact
stdio_write("Fake Source Until After Supercon");
video_gotoxy(1,11);
stdio_write("Reflash official .hex for puzzle");
video_gotoxy(13,1);
stdio_write((char *)puzzle_messages[status]); //This (char *) casting hack is stupid
}
void blank_score(void)
{
uint8_t i;
for (i=0; i<10; i++)
{
draw_single_tile(i,SCORE_ROW,(i+1)%10+'0',NEUTRAL);
}
}

void shift(uint8_t tiles[], uint8_t shuffles[], uint8_t newIdx, int8_t direction)
{
uint8_t oldIdx = newIdx-direction;
tiles[oldIdx] = tiles[newIdx];
tiles[newIdx] = EMPTY;

shuffles[newIdx] = shuffles[oldIdx];
shuffles[oldIdx] = EMPTY;
}

void move_cursor(uint8_t tiles[], uint8_t shuffles[], uint8_t newIdx, int8_t direction)
{
uint8_t oldIdx = newIdx-direction;

shuffles[newIdx] = shuffles[oldIdx];
shuffles[oldIdx] = EMPTY;
}

void place(uint8_t shuffles[], uint8_t tiles[], uint8_t idx)
{
tiles[idx] = shuffles[idx];
shuffles[idx] = POINT;
}

void remove_tile(uint8_t shuffles[], uint8_t tiles[], uint8_t idx)
{
shuffles[idx] = tiles[idx];
tiles[idx] = EMPTY;
}

void score(uint8_t scores[], uint8_t tiles[])
{
uint8_t i;
uint64_t num = tiles[0];
if (num == 0) scores[0] = 0;
else scores[0] = 1;
for (i=1; i<10; i++)
{
num = (num*10)+tiles[i];
if (num%(i+1) == 0) scores[i] = 1;
else scores[i] = 0;
}
}

void redraw_screen(uint8_t shuffles[], uint8_t tiles[], uint8_t scores[], uint8_t y)
{
draw_all_tiles(shuffles, SHUFFLE_ROW);
draw_all_tiles(tiles, TILE_ROW);
if (y)
{
score(scores, tiles);
draw_score(scores);
}
else blank_score();
}

uint8_t ftw(uint8_t scores[])
{
uint8_t i;
for (i=0; i<10; i++)
{
if (scores[i] == 0) return 0;
}
return 1;
}

void puzzle_loop(void)
{
/* This should contain user program (will be run after init function)*/
while(1) { ;; }

uint8_t cursory = 0;
uint8_t cursorx = 5;
uint8_t shuffle_array[] = {EMPTY,EMPTY,EMPTY,EMPTY,EMPTY,5,EMPTY,EMPTY,EMPTY,EMPTY};
uint8_t tile_array[] = {0,1,2,3,4,EMPTY,6,7,8,9};
uint8_t score_array[] = {0,0,0,0,0,0,0,0,1,0};

redraw_screen(shuffle_array, tile_array, score_array, cursory);

while(1) //Loop forever
{

/* React to user input */
uint8_t get_stat, char_out;
get_stat = stdio_get(&char_out);
if (get_stat!=0)
{
/* Show which letter was pressed just as an example: */
/* Directly address color_buffer: first nibble is BG, second nibble is FG*/
if ((char_out==K_LT) && (cursorx != 0))
{
if (cursory == 1)
{
move_cursor(tile_array, shuffle_array, --cursorx, LEFT);
redraw_screen(shuffle_array, tile_array, score_array, cursory);
}
else
{
shift(tile_array, shuffle_array, --cursorx, LEFT);
redraw_screen(shuffle_array, tile_array, score_array, cursory);
}
}

if ((char_out==K_RT) && (cursorx != 9))
{
if (cursory == 1)
{
move_cursor(tile_array, shuffle_array, ++cursorx, RIGHT);
redraw_screen(shuffle_array, tile_array, score_array, cursory);
}
else
{
shift(tile_array, shuffle_array, ++cursorx, RIGHT);
redraw_screen(shuffle_array, tile_array, score_array, cursory);
}
}
if ((char_out==K_DN) && (cursory == 0))
{
cursory = 1;
place(shuffle_array, tile_array, cursorx);
redraw_screen(shuffle_array, tile_array, score_array, cursory);
}
if ((char_out==K_UP) && (cursory == 1))
{
cursory = 0;
remove_tile(shuffle_array, tile_array, cursorx);
redraw_screen(shuffle_array, tile_array, score_array, cursory);
}
if (ftw(score_array))
{
draw_header(1);
//Make sure we get one last refresh
uint32_t now = millis();
while(millis()-now < 800) { ;; }
enable_display_scanning(0); //Turn off display scanning
uint8_t i;
for (i=0; i<19; i++)
{
draw_glyph(cypher0[i]-tile_array[i%10],(i*16)+16,154);
//draw_glyph(i,(i*16)+16,154);
draw_glyph(cypher1[i]-tile_array[i%10],(i*16)+16,166);
}
while(1) { ;; }
}
}
}
}


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