C++基于EasyX制作贪吃蛇游戏（六）第三版代码与程序

本文最后更新于：2020年8月5日 中午

上接C++基于EasyX制作贪吃蛇游戏（五）第三版文档 ，本文是代码的实现。

开发环境

工具：VS2017

依赖：EasyX Library for C++ (Ver:20200520(beta))

源代码

源代码可能有点多，但还是决定粘一份上来，底部会贴出网盘地址以及GIthub地址的。

common.h

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
#pragma once

#include <string>
#include <conio.h>
#include <graphics.h>

//蛇的节点半径
#define SNAKE_RADIU 9
//食物的半径
#define FOOD_RADIU 8

//蛇的节点宽度
#define SNAKE_WIDTH 20

//COLORREF BG_COLOR = RGB(0,0,0);		//背景颜色为黑色

#define BG_COLOR 0


//方向的枚举
enum class Dir { DIR_UP = 1, DIR_RIGHT = 2, DIR_DOWN = 3, DIR_LEFT = 4 };

//点的结构体
struct Point {
	int x;
	int y;

	Point() :x(-1), y(-1) {}
	Point(int dx, int dy) :x(dx), y(dy) {}
	Point(const Point& point) :x(point.x), y(point.y) {}

	bool operator==(const Point& point)
	{
		return (this->x == point.x) && (this->y == point.y);
	}

};

//记录游玩信息
struct PlayerMsg
{
	int id;
	int score;
	int len;
	std::string r_time;	//记录时间

	PlayerMsg()
	{
		id = 99;
		score = 0;
		len = 0;
		r_time = "";
	}
};

struct SortPlayerMsg 
{
	bool operator()(const PlayerMsg &msg1, const PlayerMsg &msg2)
	{
		if (msg1.score == msg2.score)
		{
			return msg1.r_time > msg2.r_time;
		}
		else return msg1.score > msg2.score;
	}
};

Snake.h

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
#pragma once

#include "common.h"
#include <list>

class Snake
{
public:
	const int MinSpeed = 1;			//蛇的最小速度
	const int MaxSpeed = 25;		//蛇的最大速度
	const int OrgSpeed = 15;		//蛇的原始速度

private:
	int m_len;						//蛇的长度
	int m_speed;					//蛇的速度
	Dir m_direction;				//蛇的方向
	std::list<Point> m_snakelist;	//蛇的链表
	Point m_tail;					//蛇移动过后的尾部节点，主要用于吃食物

public:
	Snake();

	int getLen();					//获取长度
	int getSpeed();					//获取速度
	Dir getDirection();				//获取方向
	bool setSpeed(int speed);		//设置速度，设置成功返回true

	void Move();					//移动一节
	void EatFood();					//吃食物
	void ChangeDir(Dir dir);		//改变方向
	void Dead();					//死亡

	bool ColideWall(int left, int top, int right, int bottom);	//碰撞到墙
	bool ColideSnake();										//碰撞到了自身
	bool ColideFood(Point point);							//碰到了食物

	void DrawSnake();				//绘制蛇
	void DrawSnakeHead(Point pos);	//绘制蛇头
	void DrawSnakeNode(Point pos);	//绘制蛇的身体结点

	std::list<Point> GetSnakeAllNode();
};

Snake.cpp

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
#include "Snake.h"
#include <stdio.h>
#include <ctime>
#include <graphics.h>

Snake::Snake()
{
	Point pos0(210, 230);
	Point pos1(190, 230);
	Point pos2(170, 230);

	this->m_snakelist.push_back(pos0);
	this->m_snakelist.push_back(pos1);
	this->m_snakelist.push_back(pos2);

	this->m_direction = Dir::DIR_RIGHT;
	this->m_len = 3;
	this->m_speed = this->OrgSpeed;
}

int Snake::getLen()
{
	return this->m_len;
}

int Snake::getSpeed()
{
	return this->m_speed;
}

Dir Snake::getDirection()
{
	return this->m_direction;
}

bool Snake::setSpeed(int speed)
{
	if (speed > this->MaxSpeed)
	{
		if (this->m_speed != this->MaxSpeed)
		{
			this->m_speed = this->MaxSpeed;
			return true;
		}
		return false;
	}
	else if (speed < this->MinSpeed)
	{
		if (this->m_speed != this->MinSpeed)
		{
			this->m_speed = this->MinSpeed;
			return true;
		}
		return false;
	}
	else
	{
		this->m_speed = speed;
		return true;
	}
}

void Snake::Move()
{
	this->m_tail = this->m_snakelist.back();

	//移除最后一个节点，复制第一个节点两份
	this->m_snakelist.pop_back();
	Point headPos = this->m_snakelist.front();
	this->m_snakelist.push_front(headPos);

	switch (this->m_direction)
	{
	case Dir::DIR_UP:
		this->m_snakelist.begin()->y -= SNAKE_WIDTH;
		break;

	case Dir::DIR_RIGHT:
		this->m_snakelist.begin()->x += SNAKE_WIDTH;
		break;

	case Dir::DIR_DOWN:
		this->m_snakelist.begin()->y += SNAKE_WIDTH;
		break;
	case Dir::DIR_LEFT:
		this->m_snakelist.begin()->x -= SNAKE_WIDTH;
		break;
	}
}

void Snake::EatFood()
{
	//吃到食物尾部增长
	this->m_snakelist.push_back(this->m_tail);

	this->m_len += 1;
}

void Snake::ChangeDir(Dir dir)
{
	switch (dir)
	{
	case Dir::DIR_UP:
	case Dir::DIR_DOWN:
		if (m_direction != Dir::DIR_UP && m_direction != Dir::DIR_DOWN)
		{
			m_direction = dir;
		}
		break;
	case Dir::DIR_RIGHT:
	case Dir::DIR_LEFT:
		if (m_direction != Dir::DIR_RIGHT && m_direction != Dir::DIR_LEFT)
		{
			m_direction = dir;
		}
		break;
	}
}

void Snake::Dead()
{
	//TODO
	int x = 0;
	int y = 0;	//x、y表示坐标的该变量
	int z = 0;	//z表示改变方向

	//使用随机函数
	srand(time(0));

	std::list<Point>::iterator it = this->m_snakelist.begin();
	for (; it != this->m_snakelist.end(); ++it)
	{
		x = (rand() % 4) * SNAKE_WIDTH;
		y = (rand() % 4) * SNAKE_WIDTH;
		z = (rand() % 8);

		switch (z)
		{
		case 0:
			//右
			(*it).x += x;
			break;
		case 1:
			//下
			(*it).y += y;
			break;
		case 2:
			//左
			(*it).x -= x;
			break;

		case 3:
			//上
			(*it).y -= y;
			break;
		case 4:
			//右下
			(*it).x += x;
			(*it).y += y;
			break;
		case 5:
			//左下
			(*it).x -= x;
			(*it).y += y;
			break;
		case 6:
			//左上
			(*it).x -= x;
			(*it).y -= y;
			break;

		case 7:
			//右上
			(*it).x += x;
			(*it).y -= y;
			break;
		}
	}
}

bool Snake::ColideWall(int left, int top, int right, int bottom)
{
	int x = this->m_snakelist.front().x;
	int y = this->m_snakelist.front().y;
	return (x < left || x > right || y < top || y > bottom);
}

bool Snake::ColideSnake()
{

	if (m_len <= 3) return false;
	std::list<Point>::iterator it = this->m_snakelist.begin();

	Point pos = *it;
	Point next_pos;
	it++;

	while(it != this->m_snakelist.end())
	{
		next_pos = *it;

		if (pos == next_pos)
		{
			return true;
		}

		it++;
	}
	return false;
}

bool Snake::ColideFood(Point point)
{
	if (this->m_snakelist.front() == point)
	{
		return true;
	}
	return false;
}

void Snake::DrawSnake()
{
	std::list<Point>::iterator it = this->m_snakelist.begin();
	for (; it != this->m_snakelist.end(); ++it)
	{
		DrawSnakeNode(*it);
	}
	DrawSnakeHead(this->m_snakelist.front());
}

void Snake::DrawSnakeHead(Point pos)
{
	//紫色，全填充，无边框的正方形
	setfillcolor(0xAA00AA);
	setfillstyle(BS_SOLID);
	solidrectangle(pos.x - SNAKE_RADIU, pos.y + SNAKE_RADIU, pos.x + SNAKE_RADIU, pos.y - SNAKE_RADIU);
}

void Snake::DrawSnakeNode(Point pos)
{
	//绿色，全填充，无边框的正方形
	setfillcolor(GREEN);
	setfillstyle(BS_SOLID);
	solidrectangle(pos.x - SNAKE_RADIU, pos.y + SNAKE_RADIU, pos.x + SNAKE_RADIU, pos.y - SNAKE_RADIU);
}

std::list<Point> Snake::GetSnakeAllNode()
{
	return this->m_snakelist;
}

Food.h

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
#pragma once

#include "common.h"
#include "Snake.h"

class Food
{
private:
	Point m_pos;
	bool m_state;

public:
	Food();

	bool getState();
	void setState(bool state);
	Point getPos();				//获取食物坐标

	void Generate(Snake *snake);//产生新的食物

	void DrawFood();
};

Food.cpp

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
#include "Food.h"
#include <ctime>
#include <stdlib.h>
#include <graphics.h>
#include <algorithm>

Food::Food()
{
	//初始化食物的数据
	this->m_state = true;
	this->m_pos = Point(310, 230);
}

bool Food::getState()
{
	return this->m_state;
}

void Food::setState(bool state)
{
	this->m_state = state;
}

Point Food::getPos()
{
	return this->m_pos;
}

void Food::Generate(Snake * snake)
{
	//产生食物要求获取蛇的身体节点来检查是否生成的食物出现在了蛇的身上
	int x = 0;
	int y = 0;
	bool isOk = false;

	while (true)
	{
		//使用随机函数产生食物
		srand(time(0));
		x = (rand() % 24) * 20 + 10;
		y = (rand() % 24) * 20 + 10;

		//检查是否在蛇的身上
		isOk = 1;
		
		std::list<Point> pos = snake->GetSnakeAllNode();
		std::list<Point>::iterator it = find(pos.begin(),pos.end(),Point(x,y));
		//find()需要用到Point的重载 == 操作符


		if (it == pos.end())//不在
		{
			this->m_pos = Point(x,y);//修改坐标
			this->m_state = true;
			return;
		}
	}
}

void Food::DrawFood()
{
	//红色，全填充，无边框的圆
	setfillcolor(RED);
	setfillstyle(BS_SOLID);
	solidcircle(this->m_pos.x, this->m_pos.y, FOOD_RADIU);
}

RankList.h

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
#pragma once

#include "common.h"
#include <vector>

class RankList
{
private:
	std::vector<PlayerMsg> m_msg;
	const std::string m_rankfile = "retro";
	const int MAX_RANK = 10;
public:
	RankList();

	void SaveMsg(PlayerMsg msg);
	std::vector<PlayerMsg> getRankList();
	void SaveToRank();

private:
	void WriteTime(PlayerMsg &msg);
	void ReadFile();
	void WriteFile();
};

RankList.cpp

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
#include "RankList.h"
#include <ctime>
#include <algorithm>
#include <sstream>
#include <fstream>
#include <string>

RankList::RankList()
{
	if (!this->m_msg.empty())
	{
		this->m_msg.clear();
	}

	ReadFile();
}

void RankList::SaveMsg(PlayerMsg msg)
{
	WriteTime(msg);		//写入时间

	m_msg.push_back(msg);
	std::sort(m_msg.begin(), m_msg.end(), SortPlayerMsg());

	if (m_msg.size() > this->MAX_RANK)
	{
		m_msg.pop_back();
	}

	std::vector<PlayerMsg>::iterator it = m_msg.begin();

	//修改id
	for (int i = 0; i < m_msg.size(); i++, it++)
	{
		it->id = i + 1;
	}
}

std::vector<PlayerMsg> RankList::getRankList()
{
	return this->m_msg;
}

void RankList::SaveToRank()
{
	WriteFile();
}

void RankList::WriteTime(PlayerMsg & msg)
{
	// 基于当前系统的当前日期/时间
	time_t now = time(0);		//1970 到目前经过秒数

	tm *ltm = localtime(&now);

	std::stringstream sstream;

	// 输出 tm 结构的各个组成部分
	sstream << ltm->tm_year + 1900 - 2000 << "-";	//年
	sstream << ((ltm->tm_mon + 1 >= 10) ? "" : "0") << ltm->tm_mon + 1 << "-";	//月
	sstream << ((ltm->tm_mday >= 10) ? "" : "0") << ltm->tm_mday << "_";	//日
	sstream << ((ltm->tm_hour >= 10) ? "" : "0") << ltm->tm_hour << ":";	//时
	sstream << ((ltm->tm_min >= 10) ? "" : "0") << ltm->tm_min;	//分

	msg.r_time = sstream.str();
}

void RankList::ReadFile()
{
	std::ifstream infile;

	infile.open(m_rankfile, std::ios::in | std::ios::binary);

	if (!infile)
	{
		//如果文件不存在，则创建
		std::ofstream os;
		os.open(m_rankfile);		//默认会创建

		if (!os)
		{
			//如果创建失败，只能结束程序
			exit(0);
		}

		os.close();
	}
	else 
	{
		std::string line;
		std::stringstream stream;
		int index = 0;
		PlayerMsg msg;

		while (std::getline(infile, line))
		{
			stream.clear();
			stream.str(line);

			stream >> msg.id >> msg.score >> msg.len >> msg.r_time;

			m_msg.push_back(msg);

			index++;
		}

		std::sort(m_msg.begin(), m_msg.end(), SortPlayerMsg());
	}

	infile.close();
}

void RankList::WriteFile()
{
	std::ofstream outfile;
	outfile.open(m_rankfile, std::ios::out | std::ios::binary); //每次写文件都重新写一遍

	if (!outfile)
	{
		return;
	}

	for (int i = 0; i < m_msg.size(); ++i)
	{
		outfile << m_msg[i].id << " " << m_msg[i].score << " " << m_msg[i].len
			<< " " << m_msg[i].r_time << std::endl;
	}

	outfile.close();
}

Game.h

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
#pragma once

#include "common.h"
#include "Snake.h"
#include "Food.h"
#include "RankList.h"

class Game
{
private:
	int m_GameState;			//游戏状态,0在主UI，1在游戏中，2在排行榜，3在游戏规则中
	PlayerMsg m_msg;			//游玩数据
	Snake *m_snake;				//蛇
	Food *m_food;				//食物
	RankList *m_ranklist;		//排行榜

public:
	Game();

	void Init();			//初始化
	void Run();				//控制程序
	void Close();			//关闭程序，释放资源

private:
	void InitData();		//初始化数据

	void PlayGame();		//开始游戏

	void ShowMainUI();		//展示主UI
	void ShowRank();		//排行榜展示
	void ShowRule();		//展示规则界面

	void DrawGamePlay();	//绘制初始游戏界面
	void DrawScore();		//绘制分数
	void DrawSnakeLen();	//绘制长度
	void DrawSpeed();		//绘制速度
	void DrawRunning();		//绘制正在运行
	void DrawPause();		//绘制暂停提示
	void DrawRebegin();		//绘制重新开始
	void DrawGameOver();	//绘制游戏结束

	void ChangeChooseUI(int left, int top, int right, int bottom, int kind);//修改选中的选项颜色
	void ClearRegion(int left, int top, int right, int bottom);		//使用黑色清除指定区域
};

Game.cpp

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
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
#include "Game.h"
#include <conio.h>
#include <graphics.h>

Game::Game()
{
	this->m_snake = nullptr;
	this->m_food = nullptr;

	this->m_GameState = 0;
	this->m_msg = PlayerMsg();
	this->m_ranklist = new RankList();
}

void Game::Init()
{
	initgraph(640, 480);
}

void Game::Run()
{
	ShowMainUI();

	while (true)
	{
		if (m_GameState == 0 && MouseHit())	//在主界面点击鼠标
		{
			MOUSEMSG mouse = GetMouseMsg();//获取鼠标点击消息
			if (mouse.mkLButton)
			{
				if (mouse.x >= 240 && mouse.x <= 400 && mouse.y >= 195 && mouse.y <= 235)
				{
					//如果点击到了开始选项
					ChangeChooseUI(240, 195, 400, 235, 1);
					m_GameState = 1;

					FlushMouseMsgBuffer();//清空鼠标消息缓冲区。

					Sleep(500);
					PlayGame();
				}
				else if (mouse.x >= 240 && mouse.x <= 400 && mouse.y >= 255 && mouse.y <= 295)
				{
					//排行榜选项
					ChangeChooseUI(240, 255, 400, 295, 2);
					m_GameState = 2;

					FlushMouseMsgBuffer();//清空鼠标消息缓冲区。

					Sleep(500);
					ShowRank();
				}
				else if (mouse.x >= 240 && mouse.x <= 400 && mouse.y >= 315 && mouse.y <= 355)
				{
					//帮助选项
					ChangeChooseUI(240, 315, 400, 355, 3);
					m_GameState = 3;

					FlushMouseMsgBuffer();//清空鼠标消息缓冲区。

					Sleep(500);
					ShowRule();
				}
				else if (mouse.x >= 240 && mouse.x <= 400 && mouse.y >= 375 && mouse.y <= 415)
				{
					//退出选项
					ChangeChooseUI(240, 375, 400, 415, 4);
					Sleep(1000);
					return;
				}
			}
		}

		if ((m_GameState == 2 || m_GameState == 3) && MouseHit()) //在排行榜或者游戏帮助中点击
		{
			MOUSEMSG mouse = GetMouseMsg();//获取鼠标点击消息
			if (mouse.mkLButton)
			{
				if (mouse.x >= 20 && mouse.x <= 63 && mouse.y >= 20 && mouse.y <= 43)
				{
					//点击返回选项
					ChangeChooseUI(20, 20, 63, 43, 5);
					Sleep(500);

					FlushMouseMsgBuffer();//清空鼠标消息缓冲区。

					m_GameState = 0;
					ShowMainUI();
				}
			}
		}
	}
}

void Game::Close()
{
	closegraph();
}

void Game::InitData()
{
	if (this->m_snake != nullptr)
	{
		delete(this->m_snake);
		this->m_snake = nullptr;
	}
	if (this->m_food != nullptr)
	{
		delete(this->m_food);
		this->m_food = nullptr;
	}

	this->m_msg = PlayerMsg();
	this->m_snake = new Snake();
	this->m_food = new Food();
}

void Game::PlayGame()
{
	InitData();
	DrawGamePlay();

	BeginBatchDraw();

	bool backMainUI = false;
	bool rePlayGame = false;
	bool changeShowData = false;

	while (true)
	{
		changeShowData = false;
		//食物
		if (this->m_food->getState() == false)
		{
			m_food->Generate(this->m_snake);
			m_food->DrawFood();
		}

		//按键检测
		if (_kbhit())
		{
			char key = _getch();
			switch (key)
			{
			case 72:  //↑
			case 119: //w
				m_snake->ChangeDir(Dir::DIR_UP);
				break;
			case 80:  //↓
			case 115: //s
				m_snake->ChangeDir(Dir::DIR_DOWN);
				break;
			case 75: //←
			case 97: //a
				m_snake->ChangeDir(Dir::DIR_LEFT);
				break;
			case 77:  //→
			case 100: //d
				m_snake->ChangeDir(Dir::DIR_RIGHT);
				break;
			case 99: //c 加速
				changeShowData = m_snake->setSpeed(m_snake->getSpeed() + 1);
				break;
			case 120://x 减速
				changeShowData = m_snake->setSpeed(m_snake->getSpeed() - 1);
				break;
			case 122://z 回归原速
				changeShowData = m_snake->setSpeed(m_snake->OrgSpeed);
				break;
			case 32: //空格暂停
				DrawPause();	//状态区显示
				FlushBatchDraw();//立即批量绘制
				while (true)
				{
					if (_kbhit())
					{
						char key = _getch();
						if (key == 32)		//按空格继续
						{
							ClearRegion(505, 240, 640, 480);
							DrawRunning();	//绘制程序正在运行中
							FlushBatchDraw();//立即批量绘制
							break;
						}
						else if (key == 27) //esc键 退出
						{
							ChangeChooseUI(510, 347, 588, 373, 6);
							FlushBatchDraw();//立即批量绘制
							Sleep(500);

							backMainUI = true;
							break;
						}
					}

					if (MouseHit())
					{
						MOUSEMSG mouse = GetMouseMsg();//获取鼠标点击消息
						if (mouse.mkLButton)
						{
							if (mouse.x >= 510 && mouse.x <= 588 && mouse.y >= 347 && mouse.y <= 373)
							{
								//点击返回选项
								ChangeChooseUI(510, 347, 588, 373, 6);
								FlushBatchDraw();//立即批量绘制
								Sleep(500);

								backMainUI = true;
								break;
							}
						}
					}
				}
				break;
			}

			//如果要回到主UI
			if (backMainUI)
			{
				FlushMouseMsgBuffer();//清空鼠标消息缓冲区。
				break;		//跳出主循环
			}
		}

		//更新显示数据
		if (changeShowData)
		{
			ClearRegion(505, 115, 640, 200);
			DrawScore();
			DrawSnakeLen();
			DrawSpeed();
		}

		//移动
		m_snake->Move();

		//吃食物
		if (m_snake->ColideFood(m_food->getPos()))
		{
			m_snake->EatFood();

			this->m_food->setState(false);

			//分数增加，长度增加
			this->m_msg.score += 10;

			//更新数据
			ClearRegion(505, 115, 640, 200);
			DrawScore();
			DrawSnakeLen();
			DrawSpeed();
		}

		//碰撞检测
		if (m_snake->ColideWall(10, 10, 470, 470) || m_snake->ColideSnake())
		{
			////游戏结束
			m_snake->Dead();

			//清空游戏区，重绘死去的蛇
			ClearRegion(0, 0, 479, 480);

			m_snake->DrawSnake();

			//绘制重新开始
			DrawRebegin();

			//绘制GameOVer
			DrawGameOver();

			FlushBatchDraw();//批量绘制

			while (true)
			{
				if (_kbhit())
				{
					char key = _getch();
					if (key == 32)		//按空格继续
					{
						//点击再来一局选项
						ChangeChooseUI(510, 397, 588, 423, 7);
						FlushBatchDraw();//立即批量绘制
						Sleep(500);

						rePlayGame = true;
						break;
					}
					else if (key == 27) //esc键 退出
					{
						ChangeChooseUI(510, 347, 588, 373, 6);
						FlushBatchDraw();//立即批量绘制
						Sleep(500);

						backMainUI = true;
						break;
					}
				}

				if (MouseHit())
				{
					MOUSEMSG mouse = GetMouseMsg();//获取鼠标点击消息
					if (mouse.mkLButton)
					{
						if (mouse.x >= 510 && mouse.x <= 588 && mouse.y >= 347 && mouse.y <= 373)
						{
							//点击返回选项
							ChangeChooseUI(510, 347, 588, 373, 6);
							FlushBatchDraw();//立即批量绘制
							Sleep(500);

							backMainUI = true;
							break;
						}
						else if (mouse.x >= 510 && mouse.x <= 588 && mouse.y >= 397 && mouse.y <= 423)
						{

							//点击再来一局选项
							ChangeChooseUI(510, 397, 588, 423, 7);
							FlushBatchDraw();//立即批量绘制
							Sleep(500);

							rePlayGame = true;
							break;
						}
					}
				}
			}

			//如果要回到主UI
			if (backMainUI)
			{
				FlushMouseMsgBuffer();//清空鼠标消息缓冲区。
				break;		//跳出主循环
			}

			//如果要重新开始游戏
			if (rePlayGame)
			{
				FlushMouseMsgBuffer();//清空鼠标消息缓冲区。
				break;		//跳出主循环
			}
		}

		//清空屏幕
		setbkcolor(BG_COLOR);//设置背景色
		ClearRegion(0, 0, 479, 480);

		this->m_snake->DrawSnake();

		if (this->m_food->getState() == true)
		{
			m_food->DrawFood();
		}

		FlushBatchDraw();//立即批量绘制

		int sleep = 30 - m_snake->getSpeed();
		Sleep(sleep * 10);
	}

	EndBatchDraw();//结束批量绘制

	//如果要回到主UI
	if (backMainUI)
	{
		m_msg.len = m_snake->getLen();

		m_ranklist->SaveMsg(m_msg);
		m_ranklist->SaveToRank();

		m_GameState = 0;
		ShowMainUI();
	}

	//如果要重新开始游戏
	if (rePlayGame)
	{
		m_msg.len = m_snake->getLen();

		m_ranklist->SaveMsg(m_msg);
		m_ranklist->SaveToRank();

		PlayGame();
	}

}

void Game::ShowMainUI()
{
	//清空屏幕
	setbkcolor(BG_COLOR);//设置背景色
	cleardevice();

	/*--------------绘制标题----------*/
	settextstyle(80, 0, L"微软雅黑");
	settextcolor(0XFFFFFF);
	outtextxy(230, 60, L"贪吃蛇");

	settextstyle(18, 0, L"微软雅黑");
	outtextxy(380, 140, L"By Colourso");

	settextstyle(20, 0, L"微软雅黑");
	settextcolor(0XFF5555);
	outtextxy(365, 160, L"(www.colourso.top)");
	settextcolor(0XFFFFFF);

	/*--------------绘制选项----------*/

	setlinecolor(0xFF00FF);
	rectangle(240, 195, 400, 235);
	rectangle(240, 255, 400, 295);
	rectangle(240, 315, 400, 355);
	rectangle(240, 375, 400, 415);


	settextstyle(28, 0, L"微软雅黑");
	settextcolor(0x55FFFF);//黄色

	outtextxy(297, 200, L"开始");
	outtextxy(287, 260, L"排行榜");
	outtextxy(297, 320, L"帮助");
	outtextxy(297, 380, L"退出");

	settextstyle(24, 0, L"微软雅黑");
	settextcolor(0xAAAAAA);
	outtextxy(255, 450, L"(鼠标点击选项)");
}

void CharToTCHAR(const char * _char, TCHAR * tchar)
{
	int iLength;
	iLength = MultiByteToWideChar(CP_UTF8, 0, _char, strlen(_char) + 1, NULL, 0);
	MultiByteToWideChar(CP_UTF8, 0, _char, strlen(_char) + 1, tchar, iLength);

}

void Game::ShowRank()
{
	//清空屏幕
	setbkcolor(BG_COLOR);//设置背景色
	cleardevice();

	/*--------------绘制规则----------*/
	settextstyle(60, 0, L"微软雅黑");
	settextcolor(0XFFFFFF);
	outtextxy(160, 40, L"贪吃蛇排行榜");

	/*--------------绘制返回键----------*/
	setlinecolor(0xFFFFFF);
	rectangle(20, 20, 63, 43);

	settextcolor(0XFFFFFF);
	settextstyle(20, 0, L"宋体");
	outtextxy(22, 22, L" ← ");

	/*---------------绘制排行榜信息---------------*/
	settextcolor(0XFFFFFF);
	settextstyle(20, 0, L"宋体");
	outtextxy(140, 120, L"排名");
	outtextxy(240, 120, L"分数");
	outtextxy(340, 120, L"长度");
	outtextxy(490, 120, L"日期");

	std::vector<PlayerMsg> msg = m_ranklist->getRankList();
	if (msg.size() == 0)
	{
		settextcolor(0x5555FF);
		settextstyle(40, 0, L"宋体");
		outtextxy(230, 200, L"暂无排名");
	}
	for (int i = 0; i < msg.size(); ++i)
	{
		if (i == 0)
		{
			settextcolor(0x5555FF);
			settextstyle(15, 0, L"宋体");
		}
		else
		{
			settextcolor(0XFFFFFF);
			settextstyle(15, 0, L"宋体");
		}
		TCHAR t[40];
		_stprintf_s(t, _T("%d"), msg[i].id);
		outtextxy(145, 150 + 30 * i, t);

		_stprintf_s(t, _T("%d"), msg[i].score);
		outtextxy(245, 150 + 30 * i, t);

		_stprintf_s(t, _T("%d"), msg[i].len);
		outtextxy(345, 150 + 30 * i, t);

		//_stprintf_s(t, _T("%s"), msg[i].r_time.c_str());
		CharToTCHAR(msg[i].r_time.c_str(), t);
		outtextxy(450, 150 + 30 * i, t);

		settextcolor(0XFFFFFF);
	}
}

void Game::ShowRule()
{
	//清空屏幕
	setbkcolor(BG_COLOR);//设置背景色黑色
	cleardevice();

	/*--------------绘制规则----------*/
	settextstyle(60, 0, L"微软雅黑");
	settextcolor(0XFFFFFF);
	outtextxy(160, 40, L"贪吃蛇按键介绍");

	settextcolor(0XFFFFFF);
	settextstyle(20, 0, L"宋体");
	outtextxy(230, 150, L"↑ ← ↓ → 控制方向");
	outtextxy(230, 180, L"w  a  s  d  控制方向");
	outtextxy(230, 210, L"速度等级1-25，默认12");
	outtextxy(240, 240, L"c键加速，x键减速");
	outtextxy(240, 270, L"z键恢复原始速度");
	outtextxy(240, 300, L"空格键暂停/继续");

	outtextxy(180, 350, L"请将输入法调至英文输入法状态下");

	/*--------------绘制返回键----------*/

	setlinecolor(0xFFFFFF);
	rectangle(20, 20, 63, 43);

	settextcolor(0XFFFFFF);
	settextstyle(20, 0, L"宋体");
	outtextxy(22, 22, L" ← ");
}

void Game::DrawGamePlay()
{
	//清空屏幕
	setbkcolor(BG_COLOR);//设置背景色
	cleardevice();

	//画宽度为2的棕色实线，分割游戏区
	setlinecolor(BROWN);
	setlinestyle(PS_SOLID, 2);
	line(482, 0, 482, 480);

	//画蛇和食物
	this->m_snake->DrawSnake();

	//绘制分数
	DrawScore();

	//绘制蛇身长度
	DrawSnakeLen();

	//绘制速度
	DrawSpeed();

	//绘制游戏状态
	DrawRunning();
}

void Game::DrawScore()
{
	TCHAR s[] = _T("获得分数：");
	settextstyle(16, 0, _T("宋体"));
	settextcolor(0xFFFFFF);//白
	outtextxy(510, 120, s);

	settextcolor(0xFF5555);//亮蓝
	TCHAR t[5];
	_stprintf_s(t, _T("%d"), m_msg.score); // 高版本 VC 推荐使用 _stprintf_s 函数
	outtextxy(590, 120, t);
	settextcolor(0xFFFFFF);//白
}

void Game::DrawSnakeLen()
{
	settextstyle(16, 0, L"宋体");
	outtextxy(510, 150, L"蛇身长度：");

	settextcolor(0xFF55FF);//亮紫
	TCHAR t[5];
	_stprintf_s(t, _T("%d"), m_snake->getLen()); // 高版本 VC 推荐使用 _stprintf_s 函数
	outtextxy(590, 150, t);
	settextcolor(0xFFFFFF);//白
}

void Game::DrawSpeed()
{
	TCHAR s[] = _T("当前速度：");
	settextstyle(16, 0, _T("宋体"));
	outtextxy(510, 180, s);

	int speed = m_snake->getSpeed();//速度等级显示为1 - 25
	if (speed <= 9)
	{
		settextcolor(0x00AA00);//禄
	}
	else if (speed >= 18)
	{
		settextcolor(0x0000AA);//红
	}
	else
	{
		settextcolor(0x55FFFF);//黄
	}
	TCHAR t[5];
	_stprintf_s(t, _T("%d"), speed); // 高版本 VC 推荐使用 _stprintf_s 函数
	outtextxy(590, 180, t);
	settextcolor(0xFFFFFF);//白
}

void Game::DrawRunning()
{
	settextcolor(0x55FF55);//亮绿
	settextstyle(16, 0, L"宋体");
	outtextxy(510, 250, L"游戏 运行");
	outtextxy(510, 280, L"祝玩的开心");
	settextcolor(0xFFFFFF);//白
}

void Game::DrawPause()
{
	settextcolor(0xFF55FF);//亮紫
	settextstyle(16, 0, L"宋体");
	outtextxy(510, 250, L"游戏 暂停");
	outtextxy(510, 280, L"空格键继续");
	outtextxy(510, 310, L"Esc键退出");
	settextcolor(0xFFFFFF);//白

	setlinecolor(0xFFFFFF);
	rectangle(510, 347, 588, 373);

	settextcolor(0XFFFFFF);
	settextstyle(16, 0, L"宋体");
	outtextxy(517, 352, L"退出游戏");
}

void Game::DrawRebegin()
{
	settextcolor(0x5555FF);//亮红
	settextstyle(16, 0, L"宋体");
	outtextxy(510, 250, L"游戏 结束");
	outtextxy(510, 280, L"空格键再来一局");
	outtextxy(510, 310, L"Esc键退出");
	settextcolor(0xFFFFFF);//白

	setlinecolor(0xFFFFFF);
	rectangle(510, 347, 588, 373);
	rectangle(510, 397, 588, 423);

	settextcolor(0XFFFFFF);
	settextstyle(16, 0, L"宋体");
	outtextxy(517, 352, L"退出游戏");
	outtextxy(517, 402, L"再来一局");
}

void Game::DrawGameOver()
{
	settextcolor(0xFFFFFF);//亮红
	settextstyle(48, 0, L"宋体");
	outtextxy(170, 210, L"GAMEOVER");
}

void Game::ChangeChooseUI(int left, int top, int right, int bottom, int kind)
{
	setfillcolor(0XFFFFFF);				//使用白色填充这一区域
	fillrectangle(left, top, right, bottom);

	setlinecolor(0x55FF55);				//画线边框设置为亮绿色
	rectangle(left, top, right, bottom);

	settextstyle(28, 0, L"微软雅黑");
	settextcolor(0xFF5555);//亮蓝色

	setbkcolor(0XFFFFFF);				//设置背景色为白色，文字的背景色就会变成白色
	switch (kind)
	{
	case 1:
		outtextxy(297, 200, L"开始");
		break;
	case 2:
		outtextxy(287, 260, L"排行榜");
		break;
	case 3:
		outtextxy(297, 320, L"帮助");
		break;
	case 4:
		outtextxy(297, 380, L"退出");
		break;
	case 5:
		settextcolor(0);
		settextstyle(20, 0, L"宋体");
		outtextxy(22, 22, L" ← ");
		break;
	case 6:
		settextcolor(0);
		settextstyle(16, 0, L"宋体");
		outtextxy(517, 352, L"退出游戏");
		break;
	case 7:
		settextcolor(0);
		settextstyle(16, 0, L"宋体");
		outtextxy(517, 402, L"再来一局");
		break;
	}
	setbkcolor(BG_COLOR);	//恢复背景色
}

void Game::ClearRegion(int left, int top, int right, int bottom)
{
	//黑色，全填充，无边框的矩形
	setfillcolor(BG_COLOR);
	setfillstyle(BS_SOLID);
	solidrectangle(left, top, right, bottom);
}

main.cpp

1
2
3
4
5
6
7
8
9
10
11
12
#include "Snake.h"
#include "Game.h"

int main()
{
	Game game;
	game.Init();
	game.Run();
	game.Close();

	return 0;
}

程序展示

以下是B站视频

上面视频不能播放请移步：https://www.bilibili.com/video/BV1fZ4y1T7xo/

资源下载

百度链接：https://pan.baidu.com/s/1mUupX0KVOY7W3W2G_OyjmQ
提取码：p7qi

Github地址：https://github.com/Colourso/Simple-CPP-project-by-Colourso/