170 lines
4.8 KiB
C
170 lines
4.8 KiB
C
/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Copyright (C) 2002 Itai Shaked
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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**************************************************************************/
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#include "plugin.h"
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#include "lib/mylcd.h"
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#include "lib/pluginlib_actions.h"
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#define NUM_PARTICLES (LCD_WIDTH * LCD_HEIGHT / 72)
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#define SNOW_HEIGHT LCD_HEIGHT
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#define SNOW_WIDTH LCD_WIDTH
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static const struct button_mapping *plugin_contexts[] = { pla_main_ctx };
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/* PLA definitions */
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#define SNOW_QUIT PLA_EXIT
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#define SNOW_QUIT2 PLA_CANCEL
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static short particles[NUM_PARTICLES][2];
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#if LCD_WIDTH >= 160
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#define FLAKE_WIDTH 5
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static const unsigned char flake[] = {0x0a,0x04,0x1f,0x04,0x0a};
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#else
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#define FLAKE_WIDTH 3
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static const unsigned char flake[] = {0x02,0x07,0x02};
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#endif
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static bool particle_exists(int particle)
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{
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if (particles[particle][0]>=0 && particles[particle][1]>=0 &&
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particles[particle][0]<SNOW_WIDTH && particles[particle][1]<SNOW_HEIGHT)
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return true;
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else
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return false;
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}
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static int create_particle(void)
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{
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int i;
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for (i=0; i<NUM_PARTICLES; i++) {
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if (!particle_exists(i)) {
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particles[i][0]=(rb->rand()%SNOW_WIDTH);
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particles[i][1]=0;
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return i;
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}
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}
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return -1;
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}
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static void snow_move(void)
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{
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int i;
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if (!(rb->rand()%2))
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create_particle();
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for (i=0; i<NUM_PARTICLES; i++) {
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if (particle_exists(i)) {
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mylcd_set_drawmode(DRMODE_SOLID|DRMODE_INVERSEVID);
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rb->lcd_fillrect(particles[i][0],particles[i][1],
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FLAKE_WIDTH,FLAKE_WIDTH);
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mylcd_set_drawmode(DRMODE_SOLID);
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#ifdef HAVE_REMOTE_LCD
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if (particles[i][0] <= LCD_REMOTE_WIDTH
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&& particles[i][1] <= LCD_REMOTE_HEIGHT) {
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rb->lcd_remote_set_drawmode(DRMODE_SOLID|DRMODE_INVERSEVID);
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rb->lcd_remote_fillrect(particles[i][0],particles[i][1],
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FLAKE_WIDTH,FLAKE_WIDTH);
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rb->lcd_remote_set_drawmode(DRMODE_SOLID);
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}
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#endif
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switch ((rb->rand()%7)) {
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case 0:
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particles[i][0]++;
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break;
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case 1:
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particles[i][0]--;
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break;
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case 2:
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break;
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default:
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particles[i][1]++;
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break;
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}
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if (particle_exists(i))
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rb->lcd_mono_bitmap(flake,particles[i][0],particles[i][1],
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FLAKE_WIDTH,FLAKE_WIDTH);
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#ifdef HAVE_REMOTE_LCD
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if (particles[i][0] <= LCD_REMOTE_WIDTH
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&& particles[i][1] <= LCD_REMOTE_HEIGHT) {
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rb->lcd_remote_mono_bitmap(flake,particles[i][0],particles[i][1],
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FLAKE_WIDTH,FLAKE_WIDTH);
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}
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#endif
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}
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}
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}
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static void snow_init(void)
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{
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int i;
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for (i=0; i<NUM_PARTICLES; i++) {
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particles[i][0]=-1;
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particles[i][1]=-1;
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}
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mylcd_clear_display();
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#ifdef HAVE_REMOTE_LCD
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rb->lcd_remote_clear_display();
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#endif
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}
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enum plugin_status plugin_start(const void* parameter)
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{
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int button;
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(void)(parameter);
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#ifdef HAVE_LCD_COLOR
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rb->lcd_clear_display();
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rb->lcd_set_foreground(LCD_WHITE);
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rb->lcd_set_background(LCD_DEFAULT_BG);
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#endif
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snow_init();
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while (1) {
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snow_move();
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mylcd_update();
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#ifdef HAVE_REMOTE_LCD
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rb->lcd_remote_update();
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#endif
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rb->sleep(HZ/20);
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/*We get button from PLA this way */
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button = pluginlib_getaction(TIMEOUT_NOBLOCK, plugin_contexts,
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ARRAYLEN(plugin_contexts));
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if ((button == SNOW_QUIT) || (button == SNOW_QUIT2))
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{
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return PLUGIN_OK;
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}
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else
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if (rb->default_event_handler(button) == SYS_USB_CONNECTED)
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{
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return PLUGIN_USB_CONNECTED;
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}
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}
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}
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