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 "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 #elif (CONFIG_KEYPAD == IPOD_4G_PAD) || \
  42       (CONFIG_KEYPAD == IPOD_3G_PAD) || \
  43       (CONFIG_KEYPAD == IPOD_1G2G_PAD)
  44 #define SNOW_QUIT BUTTON_MENU
  45 #elif CONFIG_KEYPAD == IRIVER_IFP7XX_PAD
  46 #define SNOW_QUIT BUTTON_PLAY
  47 #elif CONFIG_KEYPAD == IAUDIO_X5M5_PAD
  48 #define SNOW_QUIT BUTTON_POWER
  49 #elif CONFIG_KEYPAD == GIGABEAT_PAD
  50 #define SNOW_QUIT BUTTON_POWER
  51 #elif (CONFIG_KEYPAD == SANSA_E200_PAD) || \
  52 (CONFIG_KEYPAD == SANSA_C200_PAD)
  53 #define SNOW_QUIT BUTTON_POWER
  54 #elif CONFIG_KEYPAD == IRIVER_H10_PAD
  55 #define SNOW_QUIT BUTTON_POWER
  56 #elif CONFIG_KEYPAD == MROBE500_PAD
  57 #define SNOW_QUIT BUTTON_POWER
  58 #elif CONFIG_KEYPAD == MROBE100_PAD
  59 #define SNOW_QUIT BUTTON_POWER
  60 #elif CONFIG_KEYPAD == GIGABEAT_S_PAD
  61 #define SNOW_QUIT BUTTON_BACK
  62 #elif CONFIG_KEYPAD == IAUDIO_M3_PAD
  63 #define SNOW_QUIT BUTTON_REC
  64 #define SNOW_RC_QUIT BUTTON_RC_REC
  65 #elif CONFIG_KEYPAD == COWOND2_PAD
  66 #define SNOW_QUIT BUTTON_POWER
  67 #else
  68 #define SNOW_QUIT BUTTON_OFF
  69 #if (CONFIG_KEYPAD == IRIVER_H100_PAD) || (CONFIG_KEYPAD == IRIVER_H300_PAD)
  70 #define SNOW_RC_QUIT BUTTON_RC_STOP
  71 #endif
  72 #endif
  73
  74 static short particles[NUM_PARTICLES][2];
  75 static const struct plugin_api* rb;
  76
  77 #ifdef HAVE_LCD_BITMAP
  78 #if LCD_WIDTH >= 160
  79 #define FLAKE_WIDTH 5
  80 static const unsigned char flake[] = {0x0a,0x04,0x1f,0x04,0x0a};
  81 #else
  82 #define FLAKE_WIDTH 3
  83 static const unsigned char flake[] = {0x02,0x07,0x02};
  84 #endif
  85 #endif
  86
  87 static bool particle_exists(int particle)
  88 {
  89     if (particles[particle][0]>=0 && particles[particle][1]>=0 &&
  90         particles[particle][0]<SNOW_WIDTH && particles[particle][1]<SNOW_HEIGHT)
  91         return true;
  92     else
  93         return false;
  94 }
  95
  96 static int create_particle(void)
  97 {
  98     int i;
  99
 100     for (i=0; i<NUM_PARTICLES; i++) {
 101         if (!particle_exists(i)) {
 102             particles[i][0]=(rb->rand()%SNOW_WIDTH);
 103             particles[i][1]=0;
 104             return i;
 105         }
 106     }
 107     return -1;
 108 }
 109
 110 static void snow_move(void)
 111 {
 112     int i;
 113
 114     if (!(rb->rand()%2))
 115         create_particle();
 116
 117     for (i=0; i<NUM_PARTICLES; i++) {
 118         if (particle_exists(i)) {
 119             MYLCD(set_drawmode)(DRMODE_SOLID|DRMODE_INVERSEVID);
 120 #ifdef HAVE_LCD_BITMAP
 121             rb->lcd_fillrect(particles[i][0],particles[i][1],
 122                              FLAKE_WIDTH,FLAKE_WIDTH);
 123 #else
 124             pgfx_drawpixel(particles[i][0],particles[i][1]);
 125 #endif
 126             MYLCD(set_drawmode)(DRMODE_SOLID);
 127 #ifdef HAVE_REMOTE_LCD
 128             if (particles[i][0] <= LCD_REMOTE_WIDTH
 129                     && particles[i][1] <= LCD_REMOTE_HEIGHT) {
 130                 rb->lcd_remote_set_drawmode(DRMODE_SOLID|DRMODE_INVERSEVID);
 131                 rb->lcd_remote_fillrect(particles[i][0],particles[i][1],
 132                                         FLAKE_WIDTH,FLAKE_WIDTH);
 133                 rb->lcd_remote_set_drawmode(DRMODE_SOLID);
 134             }
 135 #endif
 136             switch ((rb->rand()%7)) {
 137                 case 0:
 138                     particles[i][0]++;
 139                     break;
 140
 141                 case 1:
 142                     particles[i][0]--;
 143                     break;
 144
 145                 case 2:
 146                     break;
 147
 148                 default:
 149                     particles[i][1]++;
 150                     break;
 151             }
 152             if (particle_exists(i))
 153 #ifdef HAVE_LCD_BITMAP
 154                 rb->lcd_mono_bitmap(flake,particles[i][0],particles[i][1],
 155                                     FLAKE_WIDTH,FLAKE_WIDTH);
 156 #else
 157                 pgfx_drawpixel(particles[i][0],particles[i][1]);
 158 #endif
 159 #ifdef HAVE_REMOTE_LCD
 160             if (particles[i][0] <= LCD_REMOTE_WIDTH
 161                     && particles[i][1] <= LCD_REMOTE_HEIGHT) {
 162                 rb->lcd_remote_mono_bitmap(flake,particles[i][0],particles[i][1],
 163                                            FLAKE_WIDTH,FLAKE_WIDTH);
 164             }
 165 #endif
 166         }
 167     }
 168 }
 169
 170
 171 static void snow_init(void)
 172 {
 173     int i;
 174
 175     for (i=0; i<NUM_PARTICLES; i++) {
 176         particles[i][0]=-1;
 177         particles[i][1]=-1;
 178     }
 179 #ifdef HAVE_LCD_CHARCELLS
 180     pgfx_display(0, 0); /* display three times */
 181     pgfx_display(4, 0);
 182     pgfx_display(8, 0);
 183 #endif
 184     MYLCD(clear_display)();
 185 #ifdef HAVE_REMOTE_LCD
 186     rb->lcd_remote_clear_display();
 187 #endif
 188 }
 189
 190 enum plugin_status plugin_start(const struct plugin_api* api, const void* parameter)
 191 {
 192     int button;
 193     (void)(parameter);
 194     rb = api;
 195
 196 #ifdef HAVE_LCD_CHARCELLS
 197     if (!pgfx_init(rb, 4, 2))
 198     {
 199         rb->splash(HZ*2, "Old LCD :(");
 200         return PLUGIN_OK;
 201     }
 202 #endif
 203 #ifdef HAVE_LCD_COLOR
 204     rb->lcd_clear_display();
 205     rb->lcd_set_foreground(LCD_WHITE);
 206     rb->lcd_set_background(LCD_DEFAULT_BG);
 207 #endif
 208     snow_init();
 209     while (1) {
 210         snow_move();
 211         MYLCD(update)();
 212 #ifdef HAVE_REMOTE_LCD
 213         rb->lcd_remote_update();
 214 #endif
 215         rb->sleep(HZ/20);
 216
 217         button = rb->button_get(false);
 218
 219         if (button == SNOW_QUIT
 220 #ifdef SNOW_RC_QUIT
 221         || button == SNOW_RC_QUIT
 222 #endif
 223         )
 224         {
 225 #ifdef HAVE_LCD_CHARCELLS
 226             pgfx_release();
 227 #endif
 228             return PLUGIN_OK;
 229         }
 230         else
 231             if (rb->default_event_handler(button) == SYS_USB_CONNECTED)
 232             {
 233 #ifdef HAVE_LCD_CHARCELLS
 234                 pgfx_release();
 235 #endif
 236                 return PLUGIN_USB_CONNECTED;
 237             }
 238     }
 239 }
 240