/
Snake.c
515 lines (474 loc) · 12 KB
/
Snake.c
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
/********************************************************
* Project: Snake(贪食蛇) *
* Email: 424065448@qq.com *
* Date: 2013-05-01 00:28:39 *
********************************************************/
#include <winsock2.h>
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include <conio.h>
#include "mysql.h"
#include "pcc32.h"
#pragma comment(lib, "ws2_32")
#pragma comment(lib, "libmysql")
#pragma comment(lib, "pcc32_vc6.lib")
// 定义地图的尺寸及坐标(均使用双字符长度)
#define MAP_WIDTH 40
#define MAP_HEIGHT 40
#define OFFSET_X 1
#define OFFSET_Y 1
#define TOTAL_WIDTH (MAP_WIDTH+OFFSET_X*2)
#define TOTAL_HEIGHT (MAP_HEIGHT+OFFSET_Y*2)
#define GotoMap(x,y) gotoTextPos((uint8)(x)*2,(uint8)(y))
// 定义蛇的相关参数
#define SNAKE_MIN_LEN 5
// 定义地图块的状态,分别为[空格|蛇头|蛇身|蛇尾|食物]
#define BS_SPACE 0
#define BS_HEAD 1
#define BS_BODY 2
#define BS_TAIL 3
#define BS_FOOD 4
#define BS_TAILu 5
#define BS_TAILd 6
#define BS_TAILl 7
#define BS_TAILr 8
#define BS_UP 9
#define BS_DOWN 10
#define BS_LEFT 11
#define BS_RIGHT 12///与之下顺序对应,便于管理
// 定义各对象的颜色,形状,顺序同上.
PCCOLOR myColors[] = {CYAN, MAGENTA, RED, GREEN, YELLOW, GREEN, GREEN, GREEN, GREEN, WHITE, WHITE, WHITE, WHITE};
char mySharps[][3] = {" ", "●", "■", "+", "★", "▼", "▲", "◣", "◢" , "▔", "▁", "▏", "▕"};
// 定义蛇的运动方向[上|下|左|右] case判断使用
#define DIR_UP 1
#define DIR_DOWN 2
#define DIR_LEFT 3
#define DIR_RIGHT 4
///////////////////////结构体
typedef struct _POINT2D
{
uint8 x, y;
}POINT2D, *PPOINT2D;
struct tm * timeinfo;
///////////////////////变量声明
POINT2D mySnake[MAP_WIDTH*MAP_HEIGHT] = {{0}};
POINT2D myFood = {0};
int snakeLength = SNAKE_MIN_LEN;
int snakeDir = DIR_RIGHT;
int isFood = 0;
int isOver = 0;
int isPause = 1;
int mul;
static int ms=200;
static int S;
char sql_insert[200];
time_t rawtime;
uint16 ch1,ch2,ch3,ch4,ch5;
///////////////////////函数声明
int isInSnake(int x, int y);
void drawMap(void);
void initSnake(void);
void drawSnake(void);
void moveSnake(void);
void drawBlock(int x, int y, int bs);
void drawFood(void);
void doGame(void);
void gameOver(void);
void replay(void);
void info(void);
void level(void);
void db_in(int score);
void db_out(void);
char* input_name(void);
///////////////////////主函数
int main()
{
initSnake();
info();
drawSnake();
level();
doGame();
gameOver();
return 0;
}
///////////////////////运行函数
void initSnake()
{
int i;
for (i = 0; i < SNAKE_MIN_LEN; i++)
{
mySnake[i].x = 10 - i;
mySnake[i].y = 3;//////(10,3)坐标可任意摆放
}
fixConsoleSize((TOTAL_WIDTH) * 2, TOTAL_HEIGHT);
setCursorVisible(0);
setConsoleTitle("Snake");
}
void info(void)
{
drawMap();
setTextColor(WHITE);
GotoMap(MAP_WIDTH / 4, MAP_HEIGHT / 2-1);
printf("Click F1 to read info !\n");
GotoMap(MAP_WIDTH / 4, MAP_HEIGHT / 2+1);
printf("Click F2 to see the ranking!\n");
GotoMap(MAP_WIDTH / 4, MAP_HEIGHT / 2+3);
printf("Click ENTER to Start directly!\n");
ch2 = jkGetKey();
if(ch2 == JK_F1){
drawMap();
setTextColor(WHITE);
GotoMap(MAP_WIDTH / 4, MAP_HEIGHT / 4);
printf("这是一个贪吃蛇游戏!\n\n");
GotoMap(MAP_WIDTH / 4, MAP_HEIGHT / 4 +2);
printf("方向键控制方向!\n\n");
GotoMap(MAP_WIDTH / 4, MAP_HEIGHT / 4 +4);
printf("吃得越多,跑得越快!\n\n");
GotoMap(MAP_WIDTH / 4, MAP_HEIGHT / 4 +6);
printf("随时可按ESC退出!\n\n");
GotoMap(MAP_WIDTH / 4, MAP_HEIGHT / 4 +8);
printf("按空格键开始/暂停!\n\n");
GotoMap(MAP_WIDTH / 4, MAP_HEIGHT / 4 +10);
printf("development log —— F12\n\n");
ch3=jkGetKey();
if (ch3 == JK_F12){
drawMap();
setTextColor(WHITE);
GotoMap(3, 3);
printf("本程序涉及c语言程序设计基础知识。");
GotoMap(3, 5);
printf("由于VC不支持graphic.h,故采用ascII码对图形记录。");
GotoMap(3, 7);
printf("主函数分为五个分函数执行:");
GotoMap(3, 9);
printf("initSnake()info()drawSnake()level()doGame()gameOver()");
GotoMap(3, 11);
printf("包括数据类型、基本函数、宏定义、数组、结构类型等知识。");
GotoMap(3, 13);
printf("本程序引用外部pcc32.h头文件优化函数功能。");
GotoMap(3, 15);
printf("优化内容包括jkGetKey函数对getch、jkHasKey对kbhit的优化封装、轮询算法运用。");
GotoMap(3, 17);
printf("数据采用简单二维数组记录,逻辑较为严密。");
GotoMap(3, 19);
printf("积分榜采用数据库记录数据,后期可实现联机排名。");
GotoMap(3, 35);
printf("光电工程学院0201202班 学号:2012210754 姓名:王士溥");
jkGetKey();
info();
}else if(ch3 == JK_ESC ){
info();
}
}else if(ch2 == JK_F2)
{
drawMap();
setTextColor(WHITE);
db_out();
}else if(ch2 == JK_ENTER){
return;
}else{
info();
}
drawMap();
}
void drawSnake(void)
{
int i,j,k;
drawBlock(mySnake[0].x, mySnake[0].y, BS_HEAD);
for (i = 1; i < snakeLength - 1; i++)
drawBlock(mySnake[i].x, mySnake[i].y, BS_BODY);
j=mySnake[snakeLength - 1].x-mySnake[snakeLength - 2].x;
k=mySnake[snakeLength - 1].y-mySnake[snakeLength - 2].y;
if (j== 1&&k== 0){drawBlock(mySnake[snakeLength-1].x, mySnake[snakeLength-1].y, BS_TAILl);}
else if (j==-1&&k== 0){drawBlock(mySnake[snakeLength-1].x, mySnake[snakeLength-1].y, BS_TAILr);}
else if (j== 0&&k== 1){drawBlock(mySnake[snakeLength-1].x, mySnake[snakeLength-1].y, BS_TAILu);}
else if (j== 0&&k==-1){drawBlock(mySnake[snakeLength-1].x, mySnake[snakeLength-1].y, BS_TAILd);}
}
void level(void)
{
drawMap();
GotoMap(MAP_WIDTH / 4, MAP_HEIGHT / 4-2);
printf(" 请选择级别:");
GotoMap(MAP_WIDTH / 4, MAP_HEIGHT / 4-1);
printf(" 1. 入门(积分X1)");
GotoMap(MAP_WIDTH / 4, MAP_HEIGHT / 4);
printf(" 2. 普通(积分X2)");
GotoMap(MAP_WIDTH / 4, MAP_HEIGHT / 4+1);
printf(" 3. 大师(积分X4)");
ch4 = jkGetKey();
switch(ch4)
{
case 0x0031:ms=200;break;
case 0x0032:ms=100;break;
case 0x0033:ms=50;break;
default:break;
}
clearText();
drawMap();
}
void doGame(void)
{
isPause = 0;
while (!isOver)
{
if (!isPause)
{
moveSnake();
if (!isFood)
drawFood();
}
delayMS(ms - snakeLength*2);
if (jkHasKey()) ///异步检测按键
{
switch (jkGetKey())
{
case JK_UP:
if (snakeDir != DIR_DOWN)
snakeDir = DIR_UP;
break;
case JK_DOWN:
if (snakeDir != DIR_UP)
snakeDir = DIR_DOWN;
break;
case JK_LEFT:
if (snakeDir != DIR_RIGHT)
snakeDir = DIR_LEFT;
break;
case JK_RIGHT:
if (snakeDir != DIR_LEFT)
snakeDir = DIR_RIGHT;
break;
case JK_ESC: //游戏结束
isOver = !isOver;
break;
case JK_SPACE: //暂停
isPause = !isPause;
break;
default:
break;
}
}
}
}
void gameOver(void)
{
GotoMap(MAP_WIDTH / 4, MAP_HEIGHT / 2 -1);
setTextColor(YELLOW);
S= snakeLength - SNAKE_MIN_LEN;
printf("Game Over! Score: %d.\n", (250-ms)/50*S);
GotoMap(MAP_WIDTH / 4, MAP_HEIGHT / 2);
printf("按F1输入姓名");
GotoMap(MAP_WIDTH / 4, MAP_HEIGHT / 2+1);
printf("Click Enter to retry!");
ch1 = jkGetKey();
if(ch1 == JK_ENTER){replay();}else if(ch1 == JK_F1){db_in(S);}else if(ch1 == JK_ESC){}else{gameOver();}
}
void replay(void)
{
int i;
for(i=0;i<=snakeLength;i++)
{mySnake[i].x=0;mySnake[i].x=0;}
snakeLength = SNAKE_MIN_LEN;
snakeDir = DIR_RIGHT;
isOver=0;
isFood=0;
main();
}
///////////////////////以下是功能函数
void drawMap(void)
{
int i, j;
for (i=-1, j=-1; j<MAP_WIDTH ;j++) if (i!=j){drawBlock(j, i, BS_DOWN);}else{drawBlock(j, i, BS_SPACE);}
for (i=-1, j=-1; i<MAP_HEIGHT;i++) if (i!=j){drawBlock(j, i, BS_RIGHT);}
for (i=MAP_HEIGHT,j= 0; j<MAP_WIDTH ;j++) drawBlock(j, i, BS_UP);
for (i=0, j=MAP_WIDTH; i<MAP_HEIGHT;i++) drawBlock(j, i, BS_LEFT);
for (i = 0; i < MAP_HEIGHT; i++)
{
for (j = 0; j < MAP_WIDTH; j++)
{
drawBlock(j, i, BS_SPACE);
}
}
}
void moveSnake(void)
{
int i;
int hx = mySnake[0].x;
int hy = mySnake[0].y;
switch (snakeDir)
{
case DIR_UP:
hy--;
break;
case DIR_DOWN:
hy++;
break;
case DIR_LEFT:
hx--;
break;
case DIR_RIGHT:
hx++;
break;
default:
break;
}
if (hx < 0 || hx >= MAP_WIDTH || hy < 0 || hy >= MAP_HEIGHT || isInSnake(hx, hy))
{
isOver = 1;
return;
}
if (hx == myFood.x && hy == myFood.y)
{
snakeLength++;
isFood = 0;
}
else
drawBlock(mySnake[snakeLength-1].x, mySnake[snakeLength-1].y, BS_SPACE);
for (i = snakeLength - 1; i >= 0; i--)
{
mySnake[i+1].x = mySnake[i].x;
mySnake[i+1].y = mySnake[i].y;
}
mySnake[0].x = hx;
mySnake[0].y = hy;
drawSnake();
return;
}
void drawBlock(int x, int y, int bs)
{
GotoMap((uint8)(OFFSET_X + x), (uint8)(OFFSET_Y + y));
setTextColor(myColors[bs]);
printf("%2s", mySharps[bs]);
return;
}
int isInSnake(int x, int y)
{
int i;
for (i = 0; i < snakeLength; i++)
if (x == mySnake[i].x && y == mySnake[i].y)
return 1;
return 0;
}
void drawFood(void)
{
//srand((uint32)time(NULL));
do
{
myFood.x = rand() % MAP_WIDTH;
myFood.y = rand() % MAP_HEIGHT;
}
while (isInSnake(myFood.x, myFood.y));
drawBlock(myFood.x, myFood.y, BS_FOOD);
isFood = 1;
}
void db_in(int score)
{
int res;
char* name;
MYSQL mysql;
mysql_init(&mysql); // 初始化mysql结构
//mysql_real_connect()函数的功能是连接一个MYSql数据库服务器,
//MYSQL结构地址是&mysql,host主机名或地址是localhost,
//用户名是root,密码是root,数据库是mydb,端口是3306
if (!mysql_real_connect(&mysql, "localhost", "root", "", "snake", 3306, NULL, 0))
{
printf("\n数据库连接发生错误!");
}
else
{
printf("\n数据库连接成功!\n");
//插入一条数据到数据库
switch(ms)
{
case 200:mul=1;break;
case 100:mul=2;break;
case 50 :mul=4;break;
default:break;
}
///////////取时间
time ( &rawtime );
timeinfo = localtime ( &rawtime );
name=input_name();
sprintf(sql_insert, "INSERT INTO score(name,score,time) values('%s','%d','%s')",name,mul*score,asctime (timeinfo));
res = mysql_query(&mysql, sql_insert);
if(res)
{
printf("插入数据失败!\n");
}else
{
printf("成绩输入成功\n");
}
}
mysql_close(&mysql); // 释放数据库连接
printf("任意键重试!");
fgetchar();
replay();
}
void db_out(void)
{
int j;
int sel;
MYSQL mysql;
MYSQL_RES *resultset;
MYSQL_ROW row;
mysql_init(&mysql);// 初始化mysql结构
if (!mysql_real_connect(&mysql, "localhost", "root", "", "snake", 3306, NULL, 0))
{
printf("\n数据库连接发生错误!");
}
else
{
GotoMap(MAP_WIDTH / 4, MAP_HEIGHT / 4);
printf("\n▕ 排行榜(前十名)\n");
sel=mysql_query(&mysql,"select * from score order by `score` desc limit 0,10");
if(sel)
{
printf("数据库查询发生错误");
}
else
{
resultset = mysql_store_result(&mysql);// 获得结果集
if (mysql_num_rows(resultset) != NULL)
{
int numRows = mysql_num_rows(resultset); // 获得结果集中的记录数
int numFields = mysql_num_fields(resultset);// 获得表中字段数
printf("▕ 排名 姓名 分数 时间");
//printf("共 %d 行记录,每行 %d 个字段。", numRows, numFields);
j = 1;
//mysql_fetch_row()函数是查询成功后,把查询结果的一行取到一个数组中,以备使用.
//每执行一次mysql_fetch_row(),将自动取到结果中的下一行记录。
while (row = mysql_fetch_row(resultset))
{
int i = 0;
printf("\n\n");
printf("▕ 第 %d 名:", j);
for (i = 1; i < numFields; i++)
{
GotoMap(MAP_WIDTH/4-2+(i-1)*9,MAP_HEIGHT/4+3+j);
fprintf(stdout, "%s", row[i]); // 打印字段值
GotoMap(MAP_WIDTH/4-2+(i-1)*9,MAP_HEIGHT/4+2+j);
}
j++;
}
}
else
{
printf("\n无查询结果!");
}
mysql_free_result(resultset); // 释放结果集
}
}
mysql_close(&mysql); // 释放数据库连接
printf("\n\n\n\n▕ 按任意键返回");
jkGetKey();
info();
}
char* input_name(void)
{
static char name[256];
clearText();
printf("请输入您的姓名(英文),回车键结束\n");
gets(name);
return name;
}