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@ -256,7 +256,7 @@ static int xdamage_base_event_type;
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#endif
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/* date +'lastmod: %Y-%m-%d' */
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char lastmod[] = "0.7pre lastmod: 2004-12-20";
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char lastmod[] = "0.7pre lastmod: 2004-12-23";
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/* X display info */
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@ -732,13 +732,21 @@ int pick_windowid(unsigned long *num) {
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if (screen && screen->clientHead) {
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/* they may be doing the pointer-pick thru vnc: */
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int nfds;
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tv.tv_sec = 0;
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tv.tv_usec = msec * 1000;
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FD_ZERO(&set);
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FD_SET(fileno(p), &set);
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if (select(fileno(p)+1, &set, NULL, NULL, &tv) == 0) {
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/* note that rfbPE takes about 30ms too */
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nfds = select(fileno(p)+1, &set, NULL, NULL, &tv);
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if (nfds == 0 || nfds < 0) {
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/*
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* select timedout or error.
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* note this rfbPE takes about 30ms too:
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*/
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rfbPE(screen, -1);
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XFlush(dpy);
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continue;
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}
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}
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@ -12585,7 +12593,7 @@ static void check_user_input3(double dt, int tile_diffs) {
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int spun_out, missed_out, allowed_misses, g, g_in;
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double spin, spin_max, tm, to, dtm, rpe_last;
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static int rfb_wait_ms = 2;
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static double grind_spin_time = 0.30, dt_min = 0.075;
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static double grind_spin_time = 0.30, dt_cut = 0.075;
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static double quick_spin_fac = 0.65, spin_max_fac = 2.0;
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static double rpe_wait = 0.15;
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int grinding, gcnt, ms, split = 200;
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@ -12593,12 +12601,13 @@ static void check_user_input3(double dt, int tile_diffs) {
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if (first) {
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char *p = getenv("SPIN");
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if (p) {
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sscanf(p, "%lf,%lf,%lf", &grind_spin_time, &dt_min, &quick_spin_fac);
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sscanf(p, "%lf,%lf,%lf", &grind_spin_time, &dt_cut, &quick_spin_fac);
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}
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first = 0;
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}
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/*
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* Try for some "quick" pointer input processing.
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*
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@ -12615,8 +12624,8 @@ static void check_user_input3(double dt, int tile_diffs) {
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* should continue, if we do so we say we are "grinding"
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*/
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if (dt < dt_min) {
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dt = dt_min; /* this is to try to avoid early exit */
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if (dt < dt_cut) {
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dt = dt_cut; /* this is to try to avoid early exit */
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}
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/* max spin time in 1st pass, comparable to last dt */
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spin_max = quick_spin_fac * dt;
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@ -12723,8 +12732,167 @@ static void check_user_input3(double dt, int tile_diffs) {
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drag_in_progress = 0;
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}
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/* quick-n-dirty copy of check_user_input3, merge later... */
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static void check_user_input4(double dt, int tile_diffs) {
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int spun_out, missed_out, allowed_misses, g, g_in;
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double spin, spin_max, tm, to, dtm, rpe_last;
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static int rfb_wait_ms = 2;
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static double grind_spin_time = 0.30, dt_cut = 0.075;
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static double quick_spin_fac = 0.65, spin_max_fac = 2.0;
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static double rpe_wait = 0.15;
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int grinding, gcnt, ms, split = 200;
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static int first = 1;
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int Btile = tile_x * tile_y * bpp/8;
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double Ttile;
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double screen_rate = 5000000.; /* 5 MB/sec */
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double client_rate = 80 * 100000.; /* 20 KB/sec @ 80X compression */
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static double Tfac = 1.0;
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static double dt_min = -1.0, dt_max = -1.0;
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if (first) {
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char *p = getenv("SPIN");
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if (p) {
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sscanf(p, "%lf,%lf,%lf,%lf", &grind_spin_time,
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&dt_cut, &quick_spin_fac, &Tfac);
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}
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first = 0;
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}
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if (dt_min < 0 || dt < dt_min) {
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dt_min = dt;
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}
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if (dt_max < 0 || dt > dt_max) {
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dt_max = dt;
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}
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/*
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* when we first enter we require some pointer input
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*/
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if (!got_pointer_input) {
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drag_in_progress = 0;
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return;
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}
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Ttile = Btile * (1.0/screen_rate + 1.0/client_rate);
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Ttile = Tfac * Ttile;
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if (dt < dt_cut) {
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dt = dt_cut; /* this is to try to avoid early exit */
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}
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/* max spin time in 1st pass, comparable to last dt */
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spin_max = quick_spin_fac * dt;
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grinding = 0; /* 1st pass is "not grinding" */
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spin = 0.0; /* amount of time spinning */
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spun_out = 0; /* whether we spun out of time */
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missed_out = 0; /* whether we received no ptr input */
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allowed_misses = 3; /* number of ptr inputs we can miss */
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gcnt = 0;
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tm = 0.0; /* timer variable */
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dtime(&tm);
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rpe_last = to = tm; /* last time we did rfbPE() */
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g = g_in = got_pointer_input;
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while (1) {
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int got_input = 0;
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gcnt++;
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if (grinding) {
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if (gcnt >= split) {
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break;
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}
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usleep(ms * 1000);
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}
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if (button_mask) {
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drag_in_progress = 1;
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}
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if (show_multiple_cursors && tm > rpe_last + rpe_wait) {
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rfbPE(screen, rfb_wait_ms * 1000);
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rpe_last = tm;
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} else {
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rfbCFD(screen, rfb_wait_ms * 1000);
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}
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dtm = dtime(&tm);
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spin += dtm;
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if (spin > spin_max) {
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/* get out if spin time over limit */
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spun_out = 1;
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} else if (tile_diffs > 200 && spin > Ttile * tile_diffs) {
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/* XXX not finished. */
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/* we think we can push the frame */
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break;
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} else if (got_pointer_input > g) {
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/* received some input, flush to display. */
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got_input = 1;
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g = got_pointer_input;
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XFlush(dpy);
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} else if (--allowed_misses <= 0) {
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/* too many misses */
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missed_out = 1;
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} else {
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/* these are misses */
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int wms = 0;
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if (! grinding && gcnt == 1 && button_mask) {
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/*
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* missed our first input, wait for
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* a defer time. (e.g. on slow link)
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* hopefully client will batch them.
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*/
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wms = 1000 * (0.5 * (spin_max - spin));
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} else if (button_mask) {
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wms = 10;
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}
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if (wms) {
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usleep(wms * 1000);
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}
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}
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if (spun_out && ! grinding) {
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/* set parameters for grinding mode. */
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grinding = 1;
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if (spin > grind_spin_time || button_mask) {
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spin_max = spin +
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grind_spin_time * spin_max_fac;
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} else {
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spin_max = spin + dt * spin_max_fac;
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}
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ms = (int) (1000 * ((spin_max - spin)/split));
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if (ms < 1) {
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ms = 1;
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}
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/* reset for second pass */
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spun_out = 0;
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missed_out = 0;
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allowed_misses = 3;
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g = got_pointer_input;
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gcnt = 0;
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} else if (spun_out && grinding) {
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/* done in 2nd pass */
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break;
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} else if (missed_out) {
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/* done in either pass */
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break;
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}
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}
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drag_in_progress = 0;
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}
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static int check_user_input(double dt, int tile_diffs, int *cnt) {
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runge
20 years ago