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 == GIGABEAT_S_PAD
  57 #define SNOW_QUIT BUTTON_BACK
  58 #else
  59 #define SNOW_QUIT BUTTON_OFF
  60 #if (CONFIG_KEYPAD == IRIVER_H100_PAD) || (CONFIG_KEYPAD == IRIVER_H300_PAD)
  61 #define SNOW_RC_QUIT BUTTON_RC_STOP
  62 #endif
  63 #endif
  64
  65 static short particles[NUM_PARTICLES][2];
  66 static struct plugin_api* rb;
  67
  68 #ifdef HAVE_LCD_BITMAP
  69 #if LCD_WIDTH >= 160
  70 #define FLAKE_WIDTH 5
  71 static const unsigned char flake[] = {0x0a,0x04,0x1f,0x04,0x0a};
  72 #else
  73 #define FLAKE_WIDTH 3
  74 static const unsigned char flake[] = {0x02,0x07,0x02};
  75 #endif
  76 #endif
  77
  78 static bool particle_exists(int particle)
  79 {
  80     if (particles[particle][0]>=0 && particles[particle][1]>=0 &&
  81         particles[particle][0]<SNOW_WIDTH && particles[particle][1]<SNOW_HEIGHT)
  82         return true;
  83     else
  84         return false;
  85 }
  86
  87 static int create_particle(void)
  88 {
  89     int i;
  90
  91     for (i=0; i<NUM_PARTICLES; i++) {
  92         if (!particle_exists(i)) {
  93             particles[i][0]=(rb->rand()%SNOW_WIDTH);
  94             particles[i][1]=0;
  95             return i;
  96         }
  97     }
  98     return -1;
  99 }
 100
 101 static void snow_move(void)
 102 {
 103     int i;
 104
 105     if (!(rb->rand()%2))
 106         create_particle();
 107
 108     for (i=0; i<NUM_PARTICLES; i++) {
 109         if (particle_exists(i)) {
 110             MYLCD(set_drawmode)(DRMODE_SOLID|DRMODE_INVERSEVID);
 111 #ifdef HAVE_LCD_BITMAP
 112             rb->lcd_fillrect(particles[i][0],particles[i][1],
 113                              FLAKE_WIDTH,FLAKE_WIDTH);
 114 #else
 115             pgfx_drawpixel(particles[i][0],particles[i][1]);
 116 #endif
 117             MYLCD(set_drawmode)(DRMODE_SOLID);
 118 #ifdef HAVE_REMOTE_LCD
 119             if (particles[i][0] <= LCD_REMOTE_WIDTH
 120                     && particles[i][1] <= LCD_REMOTE_HEIGHT) {
 121                 rb->lcd_remote_set_drawmode(DRMODE_SOLID|DRMODE_INVERSEVID);
 122                 rb->lcd_remote_fillrect(particles[i][0],particles[i][1],
 123                                         FLAKE_WIDTH,FLAKE_WIDTH);
 124                 rb->lcd_remote_set_drawmode(DRMODE_SOLID);
 125             }
 126 #endif
 127             switch ((rb->rand()%7)) {
 128                 case 0:
 129                     particles[i][0]++;
 130                     break;
 131
 132                 case 1:
 133                     particles[i][0]--;
 134                     break;
 135
 136                 case 2:
 137                     break;
 138
 139                 default:
 140                     particles[i][1]++;
 141                     break;
 142             }
 143             if (particle_exists(i))
 144 #ifdef HAVE_LCD_BITMAP
 145                 rb->lcd_mono_bitmap(flake,particles[i][0],particles[i][1],
 146                                     FLAKE_WIDTH,FLAKE_WIDTH);
 147 #else
 148                 pgfx_drawpixel(particles[i][0],particles[i][1]);
 149 #endif
 150 #ifdef HAVE_REMOTE_LCD
 151             if (particles[i][0] <= LCD_REMOTE_WIDTH
 152                     && particles[i][1] <= LCD_REMOTE_HEIGHT) {
 153                 rb->lcd_remote_mono_bitmap(flake,particles[i][0],particles[i][1],
 154                                            FLAKE_WIDTH,FLAKE_WIDTH);
 155             }
 156 #endif
 157         }
 158     }
 159 }
 160
 161
 162 static void snow_init(void)
 163 {
 164     int i;
 165
 166     for (i=0; i<NUM_PARTICLES; i++) {
 167         particles[i][0]=-1;
 168         particles[i][1]=-1;
 169     }
 170 #ifdef HAVE_LCD_CHARCELLS
 171     pgfx_display(0, 0); /* display three times */
 172     pgfx_display(4, 0);
 173     pgfx_display(8, 0);
 174 #endif
 175     MYLCD(clear_display)();
 176 #ifdef HAVE_REMOTE_LCD
 177     rb->lcd_remote_clear_display();
 178 #endif
 179 }
 180
 181 enum plugin_status plugin_start(struct plugin_api* api, void* parameter)
 182 {
 183     int button;
 184     (void)(parameter);
 185     rb = api;
 186
 187 #ifdef HAVE_LCD_CHARCELLS
 188     if (!pgfx_init(rb, 4, 2))
 189     {
 190         rb->splash(HZ*2, "Old LCD :(");
 191         return PLUGIN_OK;
 192     }
 193 #endif
 194 #ifdef HAVE_LCD_COLOR
 195     rb->lcd_clear_display();
 196     rb->lcd_set_foreground(LCD_WHITE);
 197     rb->lcd_set_background(LCD_DEFAULT_BG);
 198 #endif
 199     snow_init();
 200     while (1) {
 201         snow_move();
 202         MYLCD(update)();
 203 #ifdef HAVE_REMOTE_LCD
 204         rb->lcd_remote_update();
 205 #endif
 206         rb->sleep(HZ/20);
 207
 208         button = rb->button_get(false);
 209
 210         if (button == SNOW_QUIT
 211 #ifdef SNOW_RC_QUIT
 212         || button == SNOW_RC_QUIT
 213 #endif
 214         )
 215         {
 216 #ifdef HAVE_LCD_CHARCELLS
 217             pgfx_release();
 218 #endif
 219             return PLUGIN_OK;
 220         }
 221         else
 222             if (rb->default_event_handler(button) == SYS_USB_CONNECTED)
 223             {
 224 #ifdef HAVE_LCD_CHARCELLS
 225                 pgfx_release();
 226 #endif
 227                 return PLUGIN_USB_CONNECTED;
 228             }
 229     }
 230 }
 231