/*- * (MPSAFE) * * Copyright (c) 1995-1998 Søren Schmidt * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer, * without modification, immediately at the beginning of the file. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * $FreeBSD: src/sys/modules/syscons/star/star_saver.c,v 1.23.2.2 2001/05/06 05:44:29 nyan Exp $ * $DragonFly: src/sys/dev/misc/syscons/star/star_saver.c,v 1.5 2006/09/03 18:52:28 dillon Exp $ */ #include #include #include #include #include #include #include #include #include #include #include "../syscons.h" #define NUM_STARS 50 static int blanked; /* * Alternate saver that got its inspiration from a well known utility * package for an inferior^H^H^H^H^H^Hfamous OS. */ static int star_saver(video_adapter_t *adp, int blank) { sc_softc_t *sc; scr_stat *scp; int cell, i; static u_char pattern[] = {"...........++++*** "}; static char colors[] = {FG_DARKGREY, FG_LIGHTGREY, FG_WHITE, FG_LIGHTCYAN}; static u_short stars[NUM_STARS][2]; sc = sc_find_softc(adp, NULL); if (sc == NULL) { return EAGAIN; } scp = sc->cur_scp; if (blank) { if (adp->va_info.vi_flags & V_INFO_GRAPHICS) { return EAGAIN; } if (!blanked) { /* clear the screen and set the border color */ sc_vtb_clear(&scp->scr, sc->scr_map[0x20], (FG_LIGHTGREY | BG_BLACK) << 8); (*vidsw[adp->va_index]->set_hw_cursor)(adp, -1, -1); sc_set_border(scp, 0); blanked = TRUE; for(i=0; ixsize*scp->ysize); stars[i][1] = 0; } } cell = krandom() % NUM_STARS; sc_vtb_putc(&scp->scr, stars[cell][0], sc->scr_map[pattern[stars[cell][1]]], colors[krandom()%sizeof(colors)] << 8); if ((stars[cell][1]+=(krandom()%4)) >= sizeof(pattern)-1) { stars[cell][0] = krandom() % (scp->xsize*scp->ysize); stars[cell][1] = 0; } } else blanked = FALSE; return 0; } static int star_init(video_adapter_t *adp) { blanked = FALSE; return 0; } static int star_term(video_adapter_t *adp) { return 0; } static scrn_saver_t star_module = { "star_saver", star_init, star_term, star_saver, NULL, }; SAVER_MODULE(star_saver, star_module);