Add Flappy Bird game.
This commit is contained in:
Serge Vakulenko
376
share/examples/gpanel/flappy.c
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376
share/examples/gpanel/flappy.c
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#include <stdlib.h>
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#include <stdio.h>
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#include <sys/gpanel.h>
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#include <sys/time.h>
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#ifdef CROSS
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# include <termios.h>
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# define sgttyb termio
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#else
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# include <sgtty.h>
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#endif
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/*
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* Assign human-readable names to some common 16-bit color values:
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*/
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#define BLACK 0x0000
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#define BLUE 0x002F
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#define RED 0xF800
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#define GREEN 0x07E0
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#define CYAN 0x07FF
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#define MAGENTA 0xF81F
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#define YELLOW 0xFFE0
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#define WHITE 0xFFFF
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/*
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* Redraw every 50 msec
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*/
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#define DRAW_LOOP_INTERVAL 50
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/*
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* Data from external font files.
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*/
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extern const struct gpanel_font_t font_lucidasans15;
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int wing;
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int fx, fy, fallRate;
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int pillarPos, gapPos;
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int score;
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int highScore = 0;
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int running = 0;
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int crashed = 0;
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int scrPress = 0;
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time_t nextDrawLoopRunTime;
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void rect(int color, int x, int y, int w, int h)
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{
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gpanel_rect(color, x, y, x+w-1, y+h-1);
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}
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void fill(int color, int x, int y, int w, int h)
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{
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gpanel_fill(color, x, y, x+w-1, y+h-1);
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}
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void drawPillar(int x, int gap)
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{
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fill(GREEN, x+2, 2, 46, gap-4);
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fill(GREEN, x+2, gap+92, 46, 136-gap);
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rect(BLACK, x, 0, 50, gap);
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rect(BLACK, x+1, 1, 48, gap-2);
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rect(BLACK, x, gap+90, 50, 140-gap);
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rect(BLACK, x+1, gap+91, 48, 138-gap);
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}
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void clearPillar(int x, int gap)
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{
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// "cheat" slightly and just clear the right hand pixels
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// to help minimise flicker, the rest will be overdrawn
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fill(BLUE, x+45, 0, 5, gap);
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fill(BLUE, x+45, gap+90, 5, 140-gap);
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}
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void clearFlappy(int x, int y)
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{
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fill(BLUE, x, y, 34, 24);
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}
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void drawFlappy(int x, int y)
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{
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// Upper & lower body
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fill(BLACK, x+2, y+8, 2, 10);
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fill(BLACK, x+4, y+6, 2, 2);
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fill(BLACK, x+6, y+4, 2, 2);
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fill(BLACK, x+8, y+2, 4, 2);
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fill(BLACK, x+12, y, 12, 2);
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fill(BLACK, x+24, y+2, 2, 2);
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fill(BLACK, x+26, y+4, 2, 2);
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fill(BLACK, x+28, y+6, 2, 6);
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fill(BLACK, x+10, y+22, 10, 2);
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fill(BLACK, x+4, y+18, 2, 2);
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fill(BLACK, x+6, y+20, 4, 2);
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// Body fill
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fill(YELLOW, x+12, y+2, 6, 2);
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fill(YELLOW, x+8, y+4, 8, 2);
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fill(YELLOW, x+6, y+6, 10, 2);
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fill(YELLOW, x+4, y+8, 12, 2);
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fill(YELLOW, x+4, y+10, 14, 2);
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fill(YELLOW, x+4, y+12, 16, 2);
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fill(YELLOW, x+4, y+14, 14, 2);
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fill(YELLOW, x+4, y+16, 12, 2);
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fill(YELLOW, x+6, y+18, 12, 2);
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fill(YELLOW, x+10, y+20, 10, 2);
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// Eye
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fill(BLACK, x+18, y+2, 2, 2);
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fill(BLACK, x+16, y+4, 2, 6);
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fill(BLACK, x+18, y+10, 2, 2);
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fill(BLACK, x+18, y+4, 2, 6);
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fill(BLACK, x+20, y+2, 4, 10);
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fill(BLACK, x+24, y+4, 2, 8);
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fill(BLACK, x+26, y+6, 2, 6);
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fill(BLACK, x+24, y+6, 2, 4);
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// Beak
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fill(BLACK, x+20, y+12, 12, 2);
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fill(BLACK, x+18, y+14, 2, 2);
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fill(RED, x+20, y+14, 12, 2);
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fill(BLACK, x+32, y+14, 2, 2);
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fill(BLACK, x+16, y+16, 2, 2);
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fill(RED, x+18, y+16, 2, 2);
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fill(BLACK, x+20, y+16, 12, 2);
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fill(BLACK, x+18, y+18, 2, 2);
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fill(RED, x+20, y+18, 10, 2);
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fill(BLACK, x+30, y+18, 2, 2);
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fill(BLACK, x+20, y+20, 10, 2);
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}
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// Wing down
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void drawWing1(int x, int y)
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{
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fill(BLACK, x, y+14, 2, 6);
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fill(BLACK, x+2, y+20, 8, 2);
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fill(BLACK, x+2, y+12, 10, 2);
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fill(BLACK, x+12, y+14, 2, 2);
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fill(BLACK, x+10, y+16, 2, 2);
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fill(WHITE, x+2, y+14, 8, 6);
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fill(BLACK, x+8, y+18, 2, 2);
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fill(WHITE, x+10, y+14, 2, 2);
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}
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// Wing middle
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void drawWing2(int x, int y)
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{
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fill(BLACK, x+2, y+10, 10, 2);
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fill(BLACK, x+2, y+16, 10, 2);
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fill(BLACK, x, y+12, 2, 4);
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fill(BLACK, x+12, y+12, 2, 4);
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fill(WHITE, x+2, y+12, 10, 4);
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}
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// Wing up
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void drawWing3(int x, int y)
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{
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fill(BLACK, x+2, y+6, 8, 2);
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fill(BLACK, x, y+8, 2, 6);
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fill(BLACK, x+10, y+8, 2, 2);
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fill(BLACK, x+12, y+10, 2, 4);
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fill(BLACK, x+10, y+14, 2, 2);
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fill(BLACK, x+2, y+14, 2, 2);
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fill(BLACK, x+4, y+16, 6, 2);
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fill(WHITE, x+2, y+8, 8, 6);
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fill(WHITE, x+4, y+14, 6, 2);
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fill(WHITE, x+10, y+10, 2, 4);
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}
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time_t millis()
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{
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struct timeval tv;
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gettimeofday(&tv, 0);
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return (tv.tv_sec * 1000) + (tv.tv_usec / 1000);
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}
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void startGame()
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{
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fx = 50;
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fy = 125;
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fallRate = 1;
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pillarPos = 320;
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gapPos = 60;
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crashed = 0;
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score = 0;
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gpanel_clear(BLUE, 0, 0);
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gpanel_text(&font_lucidasans15, WHITE, BLUE, 5, 5,
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"Flappy Bird: tap to begin");
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//TODO: read high score value from file.
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highScore = 0;
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char scoreLine[80];
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sprintf(scoreLine, "High Score : %u", highScore);
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gpanel_text(&font_lucidasans15, GREEN, BLUE, 60, 60, scoreLine);
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// Draw Ground
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int tx, ty = 230;
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for (tx = 0; tx <= 300; tx +=20) {
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gpanel_fill_triangle(GREEN, tx, ty, tx+10, ty, tx, ty+10);
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gpanel_fill_triangle(YELLOW, tx+10, ty+10, tx+10, ty, tx, ty+10);
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gpanel_fill_triangle(YELLOW, tx+10, ty, tx+20, ty, tx+10, ty+10);
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gpanel_fill_triangle(GREEN, tx+20, ty+10, tx+20, ty, tx+10, ty+10);
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}
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}
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void drawLoop()
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{
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// clear moving items
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clearPillar(pillarPos, gapPos);
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clearFlappy(fx, fy);
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// move items
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if (running) {
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fy += fallRate;
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fallRate++;
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pillarPos -=5;
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if (pillarPos == 0) {
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score++;
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}
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else if (pillarPos < -50) {
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pillarPos = 320;
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gapPos = 20 + random() % 100;
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}
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}
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// draw moving items & animate
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drawPillar(pillarPos, gapPos);
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drawFlappy(fx, fy);
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switch (wing) {
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case 0:
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case 1:
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drawWing1(fx, fy);
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break;
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case 2:
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case 3:
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drawWing2(fx, fy);
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break;
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case 4:
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case 5:
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drawWing3(fx, fy);
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break;
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}
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wing++;
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if (wing == 6)
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wing = 0;
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}
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void checkCollision()
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{
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// Collision with ground
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if (fy > 206)
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crashed = 1;
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// Collision with pillar
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if (fx + 34 > pillarPos && fx < pillarPos + 50)
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if (fy < gapPos || fy + 24 > gapPos + 90)
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crashed = 1;
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if (crashed) {
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//TODO: use larger font.
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gpanel_text(&font_lucidasans15, RED, BLUE, 75, 75, "Game Over!");
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char scoreLine[80];
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sprintf(scoreLine, "%u", score);
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gpanel_text(&font_lucidasans15, RED, BLUE, 75, 125, "Score:");
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gpanel_text(&font_lucidasans15, RED, BLUE, 220, 125, scoreLine);
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if (score > highScore) {
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highScore = score;
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gpanel_text(&font_lucidasans15, RED, BLUE, 75, 175, "NEW HIGH!");
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//TODO: Write high score value to file.
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}
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// stop animation
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running = 0;
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// delay to stop any last minute clicks from restarting immediately
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sleep(1);
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}
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}
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#if 1
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struct sgttyb origtty, newtty;
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int restore_input()
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{
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#ifdef CROSS
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if (newtty.c_cc[VMIN] != 0)
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ioctl(0, TCSETAW, &origtty);
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#else
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if (newtty.sg_flags != 0)
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ioctl(0, TIOCSETP, &origtty);
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#endif
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}
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/*
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* Return 1 when any key is pressed on console.
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*/
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int get_input()
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{
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#ifdef CROSS
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if (newtty.c_cc[VMIN] == 0) {
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ioctl(0, TCGETA, &origtty);
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newtty = origtty;
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newtty.c_lflag &= ~(ICANON | ECHO);
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newtty.c_oflag &= ~ONLCR;
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newtty.c_cc[VMIN] = 1;
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newtty.c_cc[VTIME] = 0;
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ioctl(0, TCSETAW, &newtty);
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}
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#else
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if (newtty.sg_flags == 0) {
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ioctl(0, TIOCGETP, &origtty);
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newtty = origtty;
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newtty.sg_flags &= ~(ECHO|CRMOD|XTABS);
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newtty.sg_flags |= CBREAK;
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ioctl(0, TIOCSETP, &newtty);
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}
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#endif
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int nchars = 0;
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ioctl(0, FIONREAD, &nchars);
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if (nchars <= 0)
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return 0;
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char c;
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read(0, &c, 1);
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return 1;
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}
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#endif
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int main()
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{
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char *devname = "/dev/tft0";
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int xsize = 320, ysize = 240;
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if (gpanel_open(devname) < 0) {
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printf("Cannot open %s\n", devname);
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exit(-1);
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}
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gpanel_clear(BLUE, &xsize, &ysize);
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startGame();
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nextDrawLoopRunTime = millis() + DRAW_LOOP_INTERVAL;
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for (;;) {
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if (millis() > nextDrawLoopRunTime && !crashed) {
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drawLoop();
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checkCollision();
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nextDrawLoopRunTime += DRAW_LOOP_INTERVAL;
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}
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// Get user input.
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int user_input = get_input();
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// Process "user input"
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if (user_input > 0 && !scrPress) {
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if (crashed) {
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// restart game
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startGame();
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}
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else if (!running) {
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// clear text & start scrolling
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gpanel_fill(BLUE, 0, 0, 320-1, 80);
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running = 1;
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} else {
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// fly up
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fallRate = -8;
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scrPress = 1;
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}
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} else if (user_input == 0 && scrPress) {
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// Attempt to throttle presses
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scrPress = 0;
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}
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}
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}
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