apps/plugins/snow.c

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  *
  10  * Copyright (C) 2002 Itai Shaked
  11  *
  12  * This program is free software; you can redistribute it and/or
  13  * modify it under the terms of the GNU General Public License
  14  * as published by the Free Software Foundation; either version 2
  15  * of the License, or (at your option) any later version.
  16  *
  17  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  18  * KIND, either express or implied.
  19  *
  20  **************************************************************************/
  21 #include "plugin.h"
  22 #include "lib/playergfx.h"
  23
  24 PLUGIN_HEADER
  25
  26 #ifdef HAVE_LCD_BITMAP
  27 #define NUM_PARTICLES (LCD_WIDTH * LCD_HEIGHT / 72)
  28 #define SNOW_HEIGHT LCD_HEIGHT
  29 #define SNOW_WIDTH LCD_WIDTH
  30 #define MYLCD(fn) rb->lcd_ ## fn
  31 #else
  32 #define NUM_PARTICLES 10
  33 #define SNOW_HEIGHT 14
  34 #define SNOW_WIDTH 20
  35 #define MYLCD(fn) pgfx_ ## fn
  36 #endif
  37
  38 /* variable button definitions */
  39 #if CONFIG_KEYPAD == PLAYER_PAD
  40 #define SNOW_QUIT BUTTON_STOP
  41
  42 #elif (CONFIG_KEYPAD == IPOD_4G_PAD) || \
  43       (CONFIG_KEYPAD == IPOD_3G_PAD) || \
  44       (CONFIG_KEYPAD == IPOD_1G2G_PAD)
  45 #define SNOW_QUIT BUTTON_MENU
  46
  47 #elif (CONFIG_KEYPAD == IRIVER_IFP7XX_PAD) || \
  48       (CONFIG_KEYPAD == SAMSUNG_YH_PAD)
  49 #define SNOW_QUIT BUTTON_PLAY
  50
  51 #elif (CONFIG_KEYPAD == SANSA_E200_PAD) || \
  52 (CONFIG_KEYPAD == SANSA_C200_PAD) ||  \
  53 (CONFIG_KEYPAD == SANSA_CLIP_PAD) || \
  54 (CONFIG_KEYPAD == SANSA_M200_PAD) || \
  55 (CONFIG_KEYPAD == MROBE500_PAD) || \
  56 (CONFIG_KEYPAD == IRIVER_H10_PAD) || \
  57 (CONFIG_KEYPAD == MROBE100_PAD) || \
  58 (CONFIG_KEYPAD == COWOND2_PAD) || \
  59 (CONFIG_KEYPAD == IAUDIO67_PAD) || \
  60 (CONFIG_KEYPAD == PHILIPS_HDD1630_PAD) || \
  61 (CONFIG_KEYPAD == ONDAVX747_PAD) || \
  62 (CONFIG_KEYPAD == GIGABEAT_PAD) || \
  63 (CONFIG_KEYPAD == IAUDIO_X5M5_PAD)
  64 #define SNOW_QUIT BUTTON_POWER
  65
  66 #elif (CONFIG_KEYPAD == SANSA_FUZE_PAD)
  67 #define SNOW_QUIT (BUTTON_HOME|BUTTON_REPEAT)
  68
  69 #elif (CONFIG_KEYPAD == GIGABEAT_S_PAD) || \
  70 (CONFIG_KEYPAD == CREATIVEZVM_PAD)
  71 #define SNOW_QUIT BUTTON_BACK
  72
  73 #elif CONFIG_KEYPAD == IAUDIO_M3_PAD
  74 #define SNOW_QUIT BUTTON_REC
  75 #define SNOW_RC_QUIT BUTTON_RC_REC
  76
  77 #else
  78 #define SNOW_QUIT BUTTON_OFF
  79 #if (CONFIG_KEYPAD == IRIVER_H100_PAD) || (CONFIG_KEYPAD == IRIVER_H300_PAD)
  80 #define SNOW_RC_QUIT BUTTON_RC_STOP
  81 #endif
  82 #endif
  83
  84 static short particles[NUM_PARTICLES][2];
  85
  86 #ifdef HAVE_LCD_BITMAP
  87 #if LCD_WIDTH >= 160
  88 #define FLAKE_WIDTH 5
  89 static const unsigned char flake[] = {0x0a,0x04,0x1f,0x04,0x0a};
  90 #else
  91 #define FLAKE_WIDTH 3
  92 static const unsigned char flake[] = {0x02,0x07,0x02};
  93 #endif
  94 #endif
  95
  96 static bool particle_exists(int particle)
  97 {
  98     if (particles[particle][0]>=0 && particles[particle][1]>=0 &&
  99         particles[particle][0]<SNOW_WIDTH && particles[particle][1]<SNOW_HEIGHT)
 100         return true;
 101     else
 102         return false;
 103 }
 104
 105 static int create_particle(void)
 106 {
 107     int i;
 108
 109     for (i=0; i<NUM_PARTICLES; i++) {
 110         if (!particle_exists(i)) {
 111             particles[i][0]=(rb->rand()%SNOW_WIDTH);
 112             particles[i][1]=0;
 113             return i;
 114         }
 115     }
 116     return -1;
 117 }
 118
 119 static void snow_move(void)
 120 {
 121     int i;
 122
 123     if (!(rb->rand()%2))
 124         create_particle();
 125
 126     for (i=0; i<NUM_PARTICLES; i++) {
 127         if (particle_exists(i)) {
 128             MYLCD(set_drawmode)(DRMODE_SOLID|DRMODE_INVERSEVID);
 129 #ifdef HAVE_LCD_BITMAP
 130             rb->lcd_fillrect(particles[i][0],particles[i][1],
 131                              FLAKE_WIDTH,FLAKE_WIDTH);
 132 #else
 133             pgfx_drawpixel(particles[i][0],particles[i][1]);
 134 #endif
 135             MYLCD(set_drawmode)(DRMODE_SOLID);
 136 #ifdef HAVE_REMOTE_LCD
 137             if (particles[i][0] <= LCD_REMOTE_WIDTH
 138                     && particles[i][1] <= LCD_REMOTE_HEIGHT) {
 139                 rb->lcd_remote_set_drawmode(DRMODE_SOLID|DRMODE_INVERSEVID);
 140                 rb->lcd_remote_fillrect(particles[i][0],particles[i][1],
 141                                         FLAKE_WIDTH,FLAKE_WIDTH);
 142                 rb->lcd_remote_set_drawmode(DRMODE_SOLID);
 143             }
 144 #endif
 145             switch ((rb->rand()%7)) {
 146                 case 0:
 147                     particles[i][0]++;
 148                     break;
 149
 150                 case 1:
 151                     particles[i][0]--;
 152                     break;
 153
 154                 case 2:
 155                     break;
 156
 157                 default:
 158                     particles[i][1]++;
 159                     break;
 160             }
 161             if (particle_exists(i))
 162 #ifdef HAVE_LCD_BITMAP
 163                 rb->lcd_mono_bitmap(flake,particles[i][0],particles[i][1],
 164                                     FLAKE_WIDTH,FLAKE_WIDTH);
 165 #else
 166                 pgfx_drawpixel(particles[i][0],particles[i][1]);
 167 #endif
 168 #ifdef HAVE_REMOTE_LCD
 169             if (particles[i][0] <= LCD_REMOTE_WIDTH
 170                     && particles[i][1] <= LCD_REMOTE_HEIGHT) {
 171                 rb->lcd_remote_mono_bitmap(flake,particles[i][0],particles[i][1],
 172                                            FLAKE_WIDTH,FLAKE_WIDTH);
 173             }
 174 #endif
 175         }
 176     }
 177 }
 178
 179
 180 static void snow_init(void)
 181 {
 182     int i;
 183
 184     for (i=0; i<NUM_PARTICLES; i++) {
 185         particles[i][0]=-1;
 186         particles[i][1]=-1;
 187     }
 188 #ifdef HAVE_LCD_CHARCELLS
 189     pgfx_display(0, 0); /* display three times */
 190     pgfx_display(4, 0);
 191     pgfx_display(8, 0);
 192 #endif
 193     MYLCD(clear_display)();
 194 #ifdef HAVE_REMOTE_LCD
 195     rb->lcd_remote_clear_display();
 196 #endif
 197 }
 198
 199 enum plugin_status plugin_start(const void* parameter)
 200 {
 201     int button;
 202     (void)(parameter);
 203
 204 #ifdef HAVE_LCD_CHARCELLS
 205     if (!pgfx_init(4, 2))
 206     {
 207         rb->splash(HZ*2, "Old LCD :(");
 208         return PLUGIN_OK;
 209     }
 210 #endif
 211 #ifdef HAVE_LCD_COLOR
 212     rb->lcd_clear_display();
 213     rb->lcd_set_foreground(LCD_WHITE);
 214     rb->lcd_set_background(LCD_DEFAULT_BG);
 215 #endif
 216     snow_init();
 217     while (1) {
 218         snow_move();
 219         MYLCD(update)();
 220 #ifdef HAVE_REMOTE_LCD
 221         rb->lcd_remote_update();
 222 #endif
 223         rb->sleep(HZ/20);
 224
 225         button = rb->button_get(false);
 226
 227         if (button == SNOW_QUIT
 228 #ifdef SNOW_RC_QUIT
 229         || button == SNOW_RC_QUIT
 230 #endif
 231         )
 232         {
 233 #ifdef HAVE_LCD_CHARCELLS
 234             pgfx_release();
 235 #endif
 236             return PLUGIN_OK;
 237         }
 238         else
 239             if (rb->default_event_handler(button) == SYS_USB_CONNECTED)
 240             {
 241 #ifdef HAVE_LCD_CHARCELLS
 242                 pgfx_release();
 243 #endif
 244                 return PLUGIN_USB_CONNECTED;
 245             }
 246     }
 247 }
 248