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