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-rw-r--r--src/animation.h11
-rw-r--r--src/nyancat.c151
2 files changed, 124 insertions, 38 deletions
diff --git a/src/animation.h b/src/animation.h
index ebcad3a..ad1aae4 100644
--- a/src/animation.h
+++ b/src/animation.h
@@ -1,3 +1,9 @@
+/*
+ * Pop Tart Cat animation frames
+ */
+#ifndef ANIMATION_H
+#define ANIMATION_H
+
char * frame0[] = {
",,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,.,,,,,,,,,,,,,,,,,,,,,,,,,",
",,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,.,.,,,,,,,,,,,,,,,,,,,,,,,,",
@@ -805,3 +811,8 @@ char ** frames[] = {
frame11,
NULL
};
+
+#define FRAME_WIDTH 64
+#define FRAME_HEIGHT 64
+
+#endif
diff --git a/src/nyancat.c b/src/nyancat.c
index d22c6e3..5b8d1ac 100644
--- a/src/nyancat.c
+++ b/src/nyancat.c
@@ -101,6 +101,17 @@ char * output = " ";
int telnet = 0;
/*
+ * Whether or not to show the counter
+ */
+int show_counter = 1;
+
+/*
+ * Number of frames to show before quitting
+ * or 0 to repeat forever (default)
+ */
+int frame_count = 0;
+
+/*
* Environment to use for setjmp/longjmp
* when breaking out of options handler
*/
@@ -125,18 +136,26 @@ int digits(int val) {
* These values crop the animation, as we have a full 64x64 stored,
* but we only want to display 40x24 (double width).
*/
-#define MIN_ROW 20
-#define MAX_ROW 43
-#define MIN_COL 10
-#define MAX_COL 50
+int min_row = 20;
+int max_row = 43;
+int min_col = 10;
+int max_col = 50;
+
+/*
+ * Print escape sequences to return cursor to visible mode
+ * and exit the application.
+ */
+void finish() {
+ printf("\033[?25h\033[0m\033[H\033[2J");
+ exit(0);
+}
/*
* In the standalone mode, we want to handle an interrupt signal
* (^C) so that we can restore the cursor and clear the terminal.
*/
void SIGINT_handler(int sig){
- printf("\033[?25h\033[0m\033[H\033[2J");
- exit(0);
+ finish();
}
/*
@@ -244,11 +263,19 @@ void usage(char * argv[]) {
printf(
"Terminal Nyancat\n"
"\n"
- "usage: %s [-h] [-t] [-i] \n"
+ "usage: %s [-hitn] [-f \033[3mframes\033[0m]\n"
"\n"
- " -i --intro \033[3mShow the introduction / about informaiton at startup.\033[0m\n"
- " -t --telnet \033[3mTelnet mode.\033[0m\n",
- " -h --help \033[3mShow this help message.\033[0m\n",
+ " -i --intro \033[3mShow the introduction / about informaiton at startup.\033[0m\n"
+ " -t --telnet \033[3mTelnet mode.\033[0m\n"
+ " -n --no-counter \033[3mDo not display the timer\033[0m\n"
+ " -f --frames \033[3mDisplay the requested number of frames, then quit\033[0m\n"
+ " -r --min-rows \033[3mCrop the animation from the top\033[0m\n"
+ " -R --max-rows \033[3mCrop the animation from the bottom\033[0m\n"
+ " -c --min-cols \033[3mCrop the animation from the left\033[0m\n"
+ " -C --max-cols \033[3mCrop the animation from the right\033[0m\n"
+ " -W --width \033[3mCrop the animation to the given width\033[0m\n"
+ " -H --height \033[3mCrop the animation to the given height\033[0m\n"
+ " -h --help \033[3mShow this help message.\033[0m\n",
argv[0]);
}
@@ -268,15 +295,23 @@ int main(int argc, char ** argv) {
/* Long option names */
static struct option long_opts[] = {
- {"help", no_argument, 0, 'h'},
- {"telnet", no_argument, 0, 't'},
- {"intro", no_argument, 0, 'i'},
+ {"help", no_argument, 0, 'h'},
+ {"telnet", no_argument, 0, 't'},
+ {"intro", no_argument, 0, 'i'},
+ {"no-counter", no_argument, 0, 'n'},
+ {"frames", required_argument, 0, 'f'},
+ {"min-rows", required_argument, 0, 'r'},
+ {"max-rows", required_argument, 0, 'R'},
+ {"min-cols", required_argument, 0, 'c'},
+ {"max-cols", required_argument, 0, 'C'},
+ {"width", required_argument, 0, 'W'},
+ {"height", required_argument, 0, 'H'},
{0,0,0,0}
};
/* Process arguments */
int index, c;
- while ((c = getopt_long(argc, argv, "hit", long_opts, &index)) != -1) {
+ while ((c = getopt_long(argc, argv, "hitnf:r:R:c:C:W:H:", long_opts, &index)) != -1) {
if (!c) {
if (long_opts[index].flag == 0) {
c = long_opts[index].val;
@@ -293,6 +328,32 @@ int main(int argc, char ** argv) {
usage(argv);
exit(0);
break;
+ case 'n':
+ show_counter = 0;
+ break;
+ case 'f':
+ frame_count = atoi(optarg);
+ break;
+ case 'r':
+ min_row = atoi(optarg);
+ break;
+ case 'R':
+ max_row = atoi(optarg);
+ break;
+ case 'c':
+ min_col = atoi(optarg);
+ break;
+ case 'C':
+ max_col = atoi(optarg);
+ break;
+ case 'W':
+ min_col = (FRAME_WIDTH - atoi(optarg)) / 2;
+ max_col = (FRAME_WIDTH + atoi(optarg)) / 2;
+ break;
+ case 'H':
+ min_row = (FRAME_HEIGHT - atoi(optarg)) / 2;
+ max_row = (FRAME_HEIGHT + atoi(optarg)) / 2;
+ break;
default:
break;
}
@@ -640,14 +701,15 @@ int main(int argc, char ** argv) {
time_t start, current;
time(&start);
- int playing = 1; /* Animation should continue [left here for modifications] */
- size_t i = 0; /* Current frame # */
- char last = 0; /* Last color index rendered */
- size_t y, x; /* x/y coordinates of what we're drawing */
+ int playing = 1; /* Animation should continue [left here for modifications] */
+ size_t i = 0; /* Current frame # */
+ unsigned int f = 0; /* Total frames passed */
+ char last = 0; /* Last color index rendered */
+ size_t y, x; /* x/y coordinates of what we're drawing */
while (playing) {
/* Render the frame */
- for (y = MIN_ROW; y < MAX_ROW; ++y) {
- for (x = MIN_COL; x < MAX_COL; ++x) {
+ for (y = min_row; y < max_row; ++y) {
+ for (x = min_col; x < max_col; ++x) {
if (always_escape) {
/* Text mode (or "Always Send Color Escapse") */
printf("%s", colors[frames[i][y][x]]);
@@ -665,28 +727,41 @@ int main(int argc, char ** argv) {
/* End of row, send newline */
newline(1);
}
- /* Get the current time for the "You have nyaned..." string */
- time(&current);
- double diff = difftime(current, start);
- /* Now count the length of the time difference so we can center */
- int nLen = digits((int)diff);
- int width = (terminal_width - 29 - nLen) / 2;
- /* Spit out some spaces so that we're actually centered */
- while (width > 0) {
- printf(" ");
- width--;
+ if (show_counter) {
+ /* Get the current time for the "You have nyaned..." string */
+ time(&current);
+ double diff = difftime(current, start);
+ /* Now count the length of the time difference so we can center */
+ int nLen = digits((int)diff);
+ int anim_width = terminal_width == 80 ? (max_col - min_col) * 2 : (max_col - min_col);
+ /*
+ * 29 = the length of the rest of the string;
+ * XXX: Replace this was actually checking the written bytes from a
+ * call to sprintf or something
+ */
+ int width = (anim_width - 29 - nLen) / 2;
+ /* Spit out some spaces so that we're actually centered */
+ while (width > 0) {
+ printf(" ");
+ width--;
+ }
+ /* You have nyaned for [n] seconds!
+ * The \033[J ensures that the rest of the line has the dark blue
+ * background, and the \033[1;37m ensures that our text is bright white.
+ * The \033[0m prevents the Apple ][ from flipping everything, but
+ * makes the whole nyancat less bright on the vt220
+ */
+ printf("\033[1;37mYou have nyaned for %0.0f seconds!\033[J\033[0m", diff);
}
- /* You have nyaned for [n] seconds!
- * The \033[J ensures that the rest of the line has the dark blue
- * background, and the \033[1;37m ensures that our text is bright white.
- * The \033[0m prevents the Apple ][ from flipping everything, but
- * makes the whole nyancat less bright on the vt220
- */
- printf("\033[1;37mYou have nyaned for %0.0f seconds!\033[J\033[0m", diff);
-
/* Reset the last color so that the escape sequences rewrite */
last = 0;
/* Update frame crount */
+ ++f;
+ if (frame_count != 0 && f == frame_count) {
+ finish();
+ } else {
+ printf("f_c = %d,%d\n", f, frame_count);
+ }
++i;
if (!frames[i]) {
/* Loop animation */
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-27 09:53:03 +0000