373 lines
8.5 KiB
C
373 lines
8.5 KiB
C
#include <stdlib.h>
|
|
#include <stdio.h>
|
|
#include <signal.h>
|
|
#include <sys/gpanel.h>
|
|
#include <sys/time.h>
|
|
#ifdef CROSS
|
|
# include <termios.h>
|
|
# define sgttyb termio
|
|
#else
|
|
# include <sgtty.h>
|
|
#endif
|
|
|
|
/*
|
|
* Assign human-readable names to some common 16-bit color values:
|
|
*/
|
|
#define BLACK 0x0000
|
|
#define BLUE 0x002F
|
|
#define RED 0xF800
|
|
#define GREEN 0x07E0
|
|
#define CYAN 0x07FF
|
|
#define MAGENTA 0xF81F
|
|
#define YELLOW 0xFFE0
|
|
#define WHITE 0xFFFF
|
|
|
|
/*
|
|
* Redraw every 50 msec
|
|
*/
|
|
#define DRAW_LOOP_INTERVAL 50
|
|
|
|
/*
|
|
* Data from external font files.
|
|
*/
|
|
extern const struct gpanel_font_t font_lucidasans15;
|
|
extern const struct gpanel_font_t font_lucidasans28;
|
|
|
|
int wing;
|
|
int fx, fy, fallRate;
|
|
int pillarPos, gapPos;
|
|
int score;
|
|
int highScore = 0;
|
|
int running = 0;
|
|
int crashed = 0;
|
|
int scrPress = 0;
|
|
time_t nextDrawLoopRunTime;
|
|
|
|
void rect(int color, int x, int y, int w, int h)
|
|
{
|
|
gpanel_rect(color, x, y, x+w-1, y+h-1);
|
|
}
|
|
|
|
void fill(int color, int x, int y, int w, int h)
|
|
{
|
|
gpanel_fill(color, x, y, x+w-1, y+h-1);
|
|
}
|
|
|
|
void drawPillar(int x, int gap)
|
|
{
|
|
fill(GREEN, x+2, 2, 46, gap-4);
|
|
fill(GREEN, x+2, gap+92, 46, 136-gap);
|
|
|
|
rect(BLACK, x, 0, 50, gap);
|
|
rect(BLACK, x+1, 1, 48, gap-2);
|
|
rect(BLACK, x, gap+90, 50, 140-gap);
|
|
rect(BLACK, x+1, gap+91, 48, 138-gap);
|
|
}
|
|
|
|
void clearPillar(int x, int gap)
|
|
{
|
|
// "cheat" slightly and just clear the right hand pixels
|
|
// to help minimise flicker, the rest will be overdrawn
|
|
fill(BLUE, x+45, 0, 5, gap);
|
|
fill(BLUE, x+45, gap+90, 5, 140-gap);
|
|
}
|
|
|
|
void clearFlappy(int x, int y)
|
|
{
|
|
fill(BLUE, x, y, 34, 24);
|
|
}
|
|
|
|
void drawFlappy(int x, int y)
|
|
{
|
|
// Upper & lower body
|
|
fill(BLACK, x+2, y+8, 2, 10);
|
|
fill(BLACK, x+4, y+6, 2, 2);
|
|
fill(BLACK, x+6, y+4, 2, 2);
|
|
fill(BLACK, x+8, y+2, 4, 2);
|
|
fill(BLACK, x+12, y, 12, 2);
|
|
fill(BLACK, x+24, y+2, 2, 2);
|
|
fill(BLACK, x+26, y+4, 2, 2);
|
|
fill(BLACK, x+28, y+6, 2, 6);
|
|
fill(BLACK, x+10, y+22, 10, 2);
|
|
fill(BLACK, x+4, y+18, 2, 2);
|
|
fill(BLACK, x+6, y+20, 4, 2);
|
|
|
|
// Body fill
|
|
fill(YELLOW, x+12, y+2, 6, 2);
|
|
fill(YELLOW, x+8, y+4, 8, 2);
|
|
fill(YELLOW, x+6, y+6, 10, 2);
|
|
fill(YELLOW, x+4, y+8, 12, 2);
|
|
fill(YELLOW, x+4, y+10, 14, 2);
|
|
fill(YELLOW, x+4, y+12, 16, 2);
|
|
fill(YELLOW, x+4, y+14, 14, 2);
|
|
fill(YELLOW, x+4, y+16, 12, 2);
|
|
fill(YELLOW, x+6, y+18, 12, 2);
|
|
fill(YELLOW, x+10, y+20, 10, 2);
|
|
|
|
// Eye
|
|
fill(BLACK, x+18, y+2, 2, 2);
|
|
fill(BLACK, x+16, y+4, 2, 6);
|
|
fill(BLACK, x+18, y+10, 2, 2);
|
|
fill(WHITE, x+18, y+4, 2, 6);
|
|
fill(WHITE, x+20, y+2, 4, 10);
|
|
fill(WHITE, x+24, y+4, 2, 8);
|
|
fill(WHITE, x+26, y+6, 2, 6);
|
|
fill(BLACK, x+24, y+6, 2, 4);
|
|
|
|
// Beak
|
|
fill(BLACK, x+20, y+12, 12, 2);
|
|
fill(BLACK, x+18, y+14, 2, 2);
|
|
fill(RED, x+20, y+14, 12, 2);
|
|
fill(BLACK, x+32, y+14, 2, 2);
|
|
fill(BLACK, x+16, y+16, 2, 2);
|
|
fill(RED, x+18, y+16, 2, 2);
|
|
fill(BLACK, x+20, y+16, 12, 2);
|
|
fill(BLACK, x+18, y+18, 2, 2);
|
|
fill(RED, x+20, y+18, 10, 2);
|
|
fill(BLACK, x+30, y+18, 2, 2);
|
|
fill(BLACK, x+20, y+20, 10, 2);
|
|
}
|
|
|
|
// Wing down
|
|
void drawWing1(int x, int y)
|
|
{
|
|
fill(BLACK, x, y+14, 2, 6);
|
|
fill(BLACK, x+2, y+20, 8, 2);
|
|
fill(BLACK, x+2, y+12, 10, 2);
|
|
fill(BLACK, x+12, y+14, 2, 2);
|
|
fill(BLACK, x+10, y+16, 2, 2);
|
|
fill(WHITE, x+2, y+14, 8, 6);
|
|
fill(BLACK, x+8, y+18, 2, 2);
|
|
fill(WHITE, x+10, y+14, 2, 2);
|
|
}
|
|
|
|
// Wing middle
|
|
void drawWing2(int x, int y)
|
|
{
|
|
fill(BLACK, x+2, y+10, 10, 2);
|
|
fill(BLACK, x+2, y+16, 10, 2);
|
|
fill(BLACK, x, y+12, 2, 4);
|
|
fill(BLACK, x+12, y+12, 2, 4);
|
|
fill(WHITE, x+2, y+12, 10, 4);
|
|
}
|
|
|
|
// Wing up
|
|
void drawWing3(int x, int y)
|
|
{
|
|
fill(BLACK, x+2, y+6, 8, 2);
|
|
fill(BLACK, x, y+8, 2, 6);
|
|
fill(BLACK, x+10, y+8, 2, 2);
|
|
fill(BLACK, x+12, y+10, 2, 4);
|
|
fill(BLACK, x+10, y+14, 2, 2);
|
|
fill(BLACK, x+2, y+14, 2, 2);
|
|
fill(BLACK, x+4, y+16, 6, 2);
|
|
fill(WHITE, x+2, y+8, 8, 6);
|
|
fill(WHITE, x+4, y+14, 6, 2);
|
|
fill(WHITE, x+10, y+10, 2, 4);
|
|
}
|
|
|
|
time_t millis()
|
|
{
|
|
struct timeval tv;
|
|
|
|
gettimeofday(&tv, 0);
|
|
return (tv.tv_sec * 1000) + (tv.tv_usec / 1000);
|
|
}
|
|
|
|
void startGame()
|
|
{
|
|
fx = 50;
|
|
fy = 125;
|
|
fallRate = -1;
|
|
pillarPos = 320;
|
|
gapPos = 60;
|
|
crashed = 0;
|
|
score = 0;
|
|
|
|
gpanel_clear(BLUE, 0, 0);
|
|
gpanel_text(&font_lucidasans28, WHITE, BLUE, 10, 10,
|
|
"Flappy Bird");
|
|
gpanel_text(&font_lucidasans15, WHITE, BLUE, 50, 180,
|
|
"(Press Space to start)");
|
|
|
|
//TODO: read high score value from file.
|
|
highScore = 0;
|
|
|
|
char scoreLine[80];
|
|
sprintf(scoreLine, "High Score: %u", highScore);
|
|
gpanel_text(&font_lucidasans28, GREEN, BLUE, 10, 60, scoreLine);
|
|
|
|
// Draw Ground
|
|
int tx, ty = 230;
|
|
for (tx = 0; tx <= 300; tx +=20) {
|
|
gpanel_fill_triangle(GREEN, tx, ty, tx+10, ty, tx, ty+10);
|
|
gpanel_fill_triangle(YELLOW, tx+10, ty+10, tx+10, ty, tx, ty+10);
|
|
gpanel_fill_triangle(YELLOW, tx+10, ty, tx+20, ty, tx+10, ty+10);
|
|
gpanel_fill_triangle(GREEN, tx+20, ty+10, tx+20, ty, tx+10, ty+10);
|
|
}
|
|
|
|
nextDrawLoopRunTime = millis() + DRAW_LOOP_INTERVAL;
|
|
}
|
|
|
|
void drawLoop()
|
|
{
|
|
// clear moving items
|
|
clearPillar(pillarPos, gapPos);
|
|
clearFlappy(fx, fy);
|
|
|
|
// move items
|
|
if (running) {
|
|
fy += fallRate;
|
|
fallRate++;
|
|
|
|
pillarPos -= 5;
|
|
if (pillarPos == 0) {
|
|
score++;
|
|
}
|
|
else if (pillarPos < -50) {
|
|
pillarPos = 320;
|
|
gapPos = 20 + random() % 100;
|
|
}
|
|
}
|
|
|
|
// draw moving items & animate
|
|
drawPillar(pillarPos, gapPos);
|
|
drawFlappy(fx, fy);
|
|
switch (wing) {
|
|
case 0:
|
|
case 1:
|
|
drawWing1(fx, fy);
|
|
break;
|
|
case 2:
|
|
case 3:
|
|
drawWing2(fx, fy);
|
|
break;
|
|
case 4:
|
|
case 5:
|
|
drawWing3(fx, fy);
|
|
break;
|
|
}
|
|
wing++;
|
|
if (wing == 6)
|
|
wing = 0;
|
|
}
|
|
|
|
void checkCollision()
|
|
{
|
|
// Collision with ground
|
|
if (fy > 206)
|
|
crashed = 1;
|
|
|
|
// Collision with pillar
|
|
if (fx + 34 > pillarPos && fx < pillarPos + 50)
|
|
if (fy < gapPos || fy + 24 > gapPos + 90)
|
|
crashed = 1;
|
|
|
|
if (crashed) {
|
|
gpanel_text(&font_lucidasans28, RED, BLUE, 50, 50, "Game Over!");
|
|
|
|
char scoreLine[80];
|
|
sprintf(scoreLine, "Score: %u", score);
|
|
gpanel_text(&font_lucidasans28, RED, BLUE, 50, 100, scoreLine);
|
|
|
|
if (score > highScore) {
|
|
highScore = score;
|
|
gpanel_text(&font_lucidasans28, RED, BLUE, 50, 150, "NEW HIGH!");
|
|
|
|
//TODO: Write high score value to file.
|
|
}
|
|
|
|
// stop animation
|
|
running = 0;
|
|
|
|
// delay to stop any last minute clicks from restarting immediately
|
|
sleep(1);
|
|
}
|
|
}
|
|
|
|
#if 1
|
|
struct sgttyb origtty, newtty;
|
|
|
|
/*
|
|
* Terminate the game when ^C pressed.
|
|
*/
|
|
void quit(int sig)
|
|
{
|
|
signal(SIGINT, SIG_IGN);
|
|
if (newtty.sg_flags != 0)
|
|
ioctl(0, TIOCSETP, &origtty);
|
|
exit(0);
|
|
}
|
|
|
|
/*
|
|
* Return 1 when any key is pressed on console.
|
|
*/
|
|
int get_input()
|
|
{
|
|
if (newtty.sg_flags == 0) {
|
|
ioctl(0, TIOCGETP, &origtty);
|
|
|
|
newtty = origtty;
|
|
newtty.sg_flags &= ~(ECHO|CRMOD|XTABS);
|
|
newtty.sg_flags |= CBREAK;
|
|
ioctl(0, TIOCSETP, &newtty);
|
|
}
|
|
int nchars = 0;
|
|
ioctl(0, FIONREAD, &nchars);
|
|
if (nchars <= 0)
|
|
return 0;
|
|
|
|
char c;
|
|
read(0, &c, 1);
|
|
return 1;
|
|
}
|
|
#endif
|
|
|
|
int main()
|
|
{
|
|
char *devname = "/dev/tft0";
|
|
int xsize = 320, ysize = 240;
|
|
|
|
if (gpanel_open(devname) < 0) {
|
|
printf("Cannot open %s\n", devname);
|
|
exit(-1);
|
|
}
|
|
gpanel_clear(BLUE, &xsize, &ysize);
|
|
startGame();
|
|
|
|
signal(SIGINT, quit);
|
|
|
|
for (;;) {
|
|
if (millis() > nextDrawLoopRunTime && !crashed) {
|
|
drawLoop();
|
|
checkCollision();
|
|
nextDrawLoopRunTime += DRAW_LOOP_INTERVAL;
|
|
}
|
|
usleep(10000);
|
|
|
|
// Get user input.
|
|
int user_input = get_input();
|
|
|
|
// Process "user input"
|
|
if (user_input > 0 && !scrPress) {
|
|
if (crashed) {
|
|
// restart game
|
|
startGame();
|
|
}
|
|
else if (!running) {
|
|
// clear text & start scrolling
|
|
gpanel_fill(BLUE, 0, 0, 320-1, 100);
|
|
gpanel_fill(BLUE, 0, 180, 320-1, 205);
|
|
running = 1;
|
|
} else {
|
|
// fly up
|
|
fallRate = -8;
|
|
scrPress = 1;
|
|
}
|
|
} else if (user_input == 0 && scrPress) {
|
|
// Attempt to throttle presses
|
|
scrPress = 0;
|
|
}
|
|
}
|
|
}
|