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-rw-r--r--apps/plugins/nim.c285
1 files changed, 0 insertions, 285 deletions
diff --git a/apps/plugins/nim.c b/apps/plugins/nim.c
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1/***************************************************************************
2 * __________ __ ___.
3 * Open \______ \ ____ ____ | | _\_ |__ _______ ___
4 * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
5 * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
6 * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
7 * \/ \/ \/ \/ \/
8 * $Id$
9 *
10 * Copyright (C) 2003 Pierre Delore
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 "lib/pluginlib_exit.h"
23
24/* NIM game for the player
25
26Rules of nim game
27-----------------
28There are 21 matches.
29Two players (you and the cpu) alternately pick a certain number of matches and the one,
30who takes the last match, loses.
31
32
33History:
34-------
35V1.0 : 2003-07-22
36 First release of the game
37V1.1 : 2003-07-22
38 I Change the patterns definition in order to have a clean code
39V1.2 : 2003-07-30
40 Patch from JB that change:
41 . the win and lose message
42 . the BUTTON_STOP code
43 . Add a test
44 I suppress the exit variable
45 I suppress or translates the comments which were in French
46 I put min=1 at the of the main loop ( When there are 21 matches you can decide not to
47 take a match. Later you are obliged to take at least one.)
48*/
49
50
51
52/*Pattern for the game*/
53static unsigned char smile[]={0x00, 0x11, 0x04, 0x04, 0x00, 0x11, 0x0E}; /* :-) */
54static unsigned char cry[] ={0x00, 0x11, 0x04, 0x04, 0x00, 0x0E, 0x11}; /* :-( */
55static unsigned char pattern3[]={0x15, 0x15, 0x15, 0x15, 0x15, 0x15, 0x15}; /*3 parts*/
56static unsigned char pattern2[]={0x14, 0x14, 0x14, 0x14, 0x14, 0x14, 0x14}; /*2 parts*/
57static unsigned char pattern1[]={0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10}; /*1 part*/
58
59static unsigned long hsmile,hcry,h1,h2; /*Handle for the new pattern*/
60
61static bool end; /*If true game is finished*/
62
63/*Display that the action it's impossible*/
64static void impossible(void)
65{
66 rb->lcd_puts(0,1,"Impossible!");
67 rb->lcd_update();
68 rb->sleep(HZ);
69 return;
70}
71
72/*Display that the CPU lose :) */
73static void lose(void)
74{
75 rb->lcd_define_pattern(hsmile,smile);
76 rb->lcd_puts(0,1,"You Win!!");
77 rb->lcd_putc(8,1,hsmile);
78 rb->lcd_update();
79 end=true;
80 rb->sleep(HZ*2);
81 return;
82}
83
84
85/* Display that the CPU win :( */
86static void win(void)
87{
88 rb->lcd_define_pattern(hcry,cry);
89 rb->lcd_puts(0,1,"You Lose!!");
90 rb->lcd_putc(9,1,hcry);
91 rb->lcd_update();
92 end=true;
93 rb->sleep(HZ*2);
94 return;
95}
96
97
98/*Display the first line*/
99static void display_first_line(int x)
100{
101 int i;
102
103 rb->lcd_putsf(0,0," =%d",x);
104
105 rb->lcd_define_pattern(h1,pattern3);
106 for (i=0;i<x/3;i++)
107 rb->lcd_putc(i,0,h1);
108
109 if (x%3==2)
110 {
111 rb->lcd_define_pattern(h2,pattern2);
112 rb->lcd_putc(i,0,h2);
113 }
114 if (x%3==1)
115 {
116 rb->lcd_define_pattern(h2,pattern1);
117 rb->lcd_putc(i,0,h2);
118 }
119}
120
121/* Call when the program end */
122static void nim_exit(void)
123{
124 /*Restore the old pattern*/
125 rb->lcd_unlock_pattern(h1);
126 rb->lcd_unlock_pattern(h2);
127 rb->lcd_unlock_pattern(hsmile);
128 rb->lcd_unlock_pattern(hcry);
129
130 /*Clear the screen*/
131 rb->lcd_clear_display();
132 rb->lcd_update();
133}
134
135/* this is the plugin entry point */
136enum plugin_status plugin_start(const void* parameter)
137{
138 int y,z,button;
139 int x,v,min;
140 bool ok;
141 bool go;
142 atexit(nim_exit);
143
144 /* if you don't use the parameter, you can do like
145 this to avoid the compiler warning about it */
146 (void)parameter;
147
148 /*Get the pattern handle*/
149 h1=rb->lcd_get_locked_pattern();
150 h2=rb->lcd_get_locked_pattern();
151 hcry=rb->lcd_get_locked_pattern();
152 hsmile=rb->lcd_get_locked_pattern();
153
154
155 rb->splash(HZ, "NIM V1.2");
156 rb->lcd_clear_display();
157
158 /* Main loop */
159 while (1)
160 {
161 /* Init */
162 x=21;
163 v=1;
164 y=1;
165 end=false;
166 min=0;
167
168 /*Empty the event queue*/
169 rb->button_clear_queue();
170
171 /* Game loop */
172 while(end!=true)
173 {
174 do
175 {
176 ok=1;
177 y=1;
178 display_first_line(x);
179
180 rb->lcd_putsf(0,1,"[%d..%d]?=%d",min,v,y);
181 rb->lcd_update();
182
183 go=false;
184 while (!go)
185 {
186 button = rb->button_get(true);
187 switch ( button )
188 {
189 case BUTTON_STOP|BUTTON_REL:
190 go = true;
191 return PLUGIN_OK;
192 break;
193
194 case BUTTON_PLAY|BUTTON_REL:
195 go=true;
196 break;
197
198 case BUTTON_LEFT|BUTTON_REL:
199 go=false;
200 if (y>min)
201 y--;
202 break;
203
204 case BUTTON_RIGHT|BUTTON_REL:
205 go=false;
206 if (y<v)
207 y++;
208 break;
209
210 default:
211 exit_on_usb(button);
212 break;
213 }
214 display_first_line(x);
215 rb->lcd_putsf(0,1,"[%d..%d]?=%d",min,v,y);
216 rb->lcd_update();
217 }
218
219 if ( (y==0) && (x<21))
220 {
221 impossible();
222 ok=false;
223 }
224 else
225 {
226 if (y!=0) /*If y=0 and x=21 jump to CPU code */
227 {
228 if ((y>v) || (y>x))
229 {
230 impossible();
231 ok=false;
232 }
233 if (y-x==0)
234 win();
235 else
236 {
237 v=y*2;
238 x-=y;
239 }
240 }
241 }
242 }
243 while (ok==false);
244
245 display_first_line(x);
246
247 /*CPU*/
248 if (x==1)
249 lose();
250 else
251 if (x==2)
252 win();
253 y=0;
254 if (end==false)
255 {
256 for (z=v;z>=1;z--)
257 {
258 if (x-z==1)
259 y=z;
260 }
261 if (y<=0)
262 {
263 for(z=v;z>=1;z--)
264 {
265 if(x-(z*3)==2)
266 y=z;
267 }
268 if ((y==0) && (x>14))
269 y=v;
270 if (y==0)
271 y=1;
272 }
273 v=y*2;
274 x-=y;
275 rb->lcd_putsf(0,1,"I take=%d",y);
276 rb->lcd_update();
277 rb->sleep(HZ);
278 }
279 if ((x==1)&&(!end))
280 win();
281 min=1;
282 }
283 }
284 return PLUGIN_OK;
285}
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