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