C语言写的字符界面贪吃蛇（原创）- 不闪屏

/* * main.c (1.0) * 贪吃蛇游戏主要逻辑与界面的实现 * * By Eric-JR Chen * diamont1001@163.com * 2011年2月 */ #include <stdio.h> #include <stdlib.h> #include <string.h> #include "main.h" /* 游戏资源 */ const char *BG = "■"; const char *BODY = "○";//"□";//"●";//"█"; const char *BODY_HEAD = "㊣"; const char *BODY_FOOD = "☆";//"◆"; static STATUS sys_gs; //游戏状态 static DIRECTION sys_dir; //当前方向 static int sys_speed = 100; //速度 //纹理缓存 static SHOWNODE showBuff[ROW*COL*2]; static int BuffIndex = 0; //游戏分数 static int TotalScore = 0; /* SHOW WELCOME */ void showWelcome(void){ printf("\t\t******************************************\n"); printf("\t\t* Welcome to Snake Gameing. *\n"); printf("\t\t* By Eric-JR Chen 2011-2 *\n"); printf("\t\t* diamont1001@163.com *\n"); printf("\t\t* 【1~9】Start in Level 1~9 *\n"); printf("\t\t* 【Enter】 Start in default *\n"); printf("\t\t* 【Esc】 Esc *\n"); printf("\t\t******************************************\n"); JR_SetCursor(0,8); } /* 将一个 NODE放到纹理缓冲区 */ void showInBuff(SHOWNODE buffer){ showBuff[BuffIndex].x = buffer.x; showBuff[BuffIndex].y = buffer.y; strcpy(showBuff[BuffIndex].text, buffer.text); BuffIndex ++; } /* 将snake尾部清空 */ void blackTail(){ strcpy(pSnakeHead->node.text, BG); showInBuff(pSnakeHead->node); DelSNode(); } /* 显示背景 */ void showBG(void){ int i = 0, j = 0; char backshow[10]; strcpy(backshow, BG); JR_SetCursorStart(); for(i=0; i<ROW; i++){ for(j=0; j<COL; j++){ printf("%s", backshow); } printf("\t\t\t\n"); } JR_SetCursor(COL*2+1, 0); printf("Score : %d", TotalScore); JR_SetCursor(COL*2+1, 1); printf("Speed : %d", sys_speed); JR_SetCursor(COL*2+1, 3); printf("UP :【↑】【W】【w】"); JR_SetCursor(COL*2+1, 4); printf("LEFT :【←】【A】【a】"); JR_SetCursor(COL*2+1, 5); printf("DOWN :【↓】【S】【s】"); JR_SetCursor(COL*2+1, 6); printf("RIGHT:【→】【D】【d】"); JR_SetCursor(COL*2+1, 8); printf("PAUSE :【ENTER】"); JR_SetCursor(COL*2+1, 9); printf("RESUME:【ENTER】"); JR_SetCursor(COL*2+1, 10); printf("ESC :【ESC】"); } /* 游戏显示 */ void show(void){ if(sys_gs == GAMING){ int i = 0; if(BuffIndex == 0) return ; for(i=0; i<BuffIndex; i++){ JR_SetCursor(showBuff[i].x, showBuff[i].y); printf("%s", showBuff[i].text); } BuffIndex = 0; JR_SetCursor(0, COL+1); } } /* 开始新游戏 */ void startGame(void){ SNAKE ps; showBG(); InitSnake(4); BuffIndex = 0; TotalScore = 0; ps = pSnakeHead; while(ps){ showInBuff(ps->node); ps = ps->next; } GetFood(); showInBuff(FOOD); JR_SetCursor(0, ROW+2); printf("Food : %d, %d, %s\t", FOOD.x, FOOD.y, FOOD.text); sys_dir = RIGHT; setTimer(sys_speed); startTimer(); } /* Game over */ void gameOver(){ DeleteSnake(); } /* 游戏初始化 */ void initGame(void){ setTimer(33); startTimer(); sys_gs = WELCOME; showWelcome(); } /* 按键检测 */ void updateKey(void){ if(!JR_AnyKeys()) return ; if(JR_IsKeyDown(JR_KEY_ESC)){ //ESC sys_gs = STOP; exit(0); } switch(sys_gs){ case WELCOME : case DIE: //START GAME if(JR_IsKeyDown(JR_KEY_ENTER)){ stopTimer(); sys_gs = GAMING; JR_SetCursor(COL*2+9, 1); printf("%d", sys_speed); startGame(); } else if(JR_GetKeyNum() >= '1' && JR_GetKeyNum() <= '9'){ sys_speed = 200 - (JR_GetKeyNum()-'0') * 18; stopTimer(); sys_gs = GAMING; showBG(); JR_SetCursor(COL*2+9, 1); printf("%d", sys_speed); startGame(); } break; case GAMING : if(JR_IsKeyDown(JR_KEY_ENTER)){ //PAUSE sys_gs = PAUSE; printf("Pause! 【Enter】to continue!【Esc】to esc!\t"); JR_SetCursor(0, ROW+1); }else if(JR_IsKeyDown(JR_KEY_UP) || JR_IsKeyDown('w') || JR_IsKeyDown('W')){ if(sys_dir == LEFT || sys_dir == RIGHT){ sys_dir = UP; } }else if(JR_IsKeyDown(JR_KEY_DOWN) || JR_IsKeyDown('s') || JR_IsKeyDown('S')){ if(sys_dir == LEFT || sys_dir == RIGHT){ sys_dir = DOWN; } }else if(JR_IsKeyDown(JR_KEY_LEFT) || JR_IsKeyDown('a') || JR_IsKeyDown('A')){ if(sys_dir == UP || sys_dir == DOWN){ sys_dir = LEFT; } }else if(JR_IsKeyDown(JR_KEY_RIGHT) || JR_IsKeyDown('d') || JR_IsKeyDown('D')){ if(sys_dir == UP || sys_dir == DOWN){ sys_dir = RIGHT; } } break; case PAUSE : if(JR_IsKeyDown(JR_KEY_ENTER)){ //resume sys_gs = GAMING; printf("Continue!\t\t\t\t\t\t"); JR_SetCursor(0, ROW+1); } break; case STOP: break; } } /* 更新snake */ void updateSnake(void){ SNAKE ps = NULL; if(sys_gs != GAMING) return ; //还原BODY strcpy(pSnakeTail->node.text, BODY); showInBuff(pSnakeTail->node); ps = malloc(sizeof(SNAKENODE)); switch(sys_dir){ case UP: ps->node.x = pSnakeTail->node.x; ps->node.y = pSnakeTail->node.y - 1; break; case DOWN: ps->node.x = pSnakeTail->node.x; ps->node.y = pSnakeTail->node.y + 1; break; case LEFT: ps->node.x = pSnakeTail->node.x - 2; ps->node.y = pSnakeTail->node.y; break; case RIGHT: ps->node.x = pSnakeTail->node.x + 2; ps->node.y = pSnakeTail->node.y; break; } strcpy(ps->node.text, BODY); AddSNode(ps); showInBuff(ps->node); if(pSnakeTail->node.x != FOOD.x || pSnakeTail->node.y != FOOD.y){ blackTail(); }else{ TotalScore ++; JR_SetCursor(COL*2+9, 0); printf("%d", TotalScore); GetFood(); showInBuff(FOOD); JR_SetCursor(0, ROW+2); printf("Food : %d, %d, %s\t", FOOD.x, FOOD.y, FOOD.text); } if(!checkSnake()){ sys_gs = DIE; gameOver(); printf("Game Over! 【1~9】or【Enter】 to continue!【Esc】to esc!\t"); JR_SetCursor(0, ROW+1); } } /* 定时器中的功能实现，在ontimer()中自动定时调用 */ void mainTimer(void){ updateKey(); updateSnake(); show(); } int main() { initGame(); while(1){ ontimer(); //定时器处理函数，功能实现在mainTimer() } gameOver(); return 0; }