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