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ジャンケンゲームを作ろう。6


ジャンケンの処理部分。
あいこでの繰り返し処理や手を出したときの判定はこれよりも上層で行うので
このモジュールでは単純な判定しか行わないのです。


janken module test


main.c

/*---------------------------------------------------------------------------------
	
	janken module test
	
	version 0.01
	Jan 18, 2010
	
	By. REGEKATSU
	
---------------------------------------------------------------------------------*/

#include <stdio.h>
#include <nds/ndstypes.h>
#include <nds/interrupts.h>
#include <nds/arm9/input.h>
#include <nds/arm9/console.h>
#include "Janken.h"


//表示するジャンケンの手を定義
char *janken_hand[] = {
	"GOO",
	"CHOKI",
	"PAR"
};


//---------------------------------------------------------------------------------
int main(void){
//---------------------------------------------------------------------------------
	
	JANKEN_HAND player, cpu;
	JANKEN_JUDGE judge;
	
	
	consoleDemoInit();
	
	//コンピュータの手の初期化とゲームタイトル表示
	Janken_InitRandHand();
	
	printf("janken module test\n\nversion 0.01\nJan 18, 2010\n\nBy. REGEKATSU\n\n\n");
	
	
	//入力要求の表示
	printf("input player hand.\n"
		"%c:GOO %c:CHOKI %c:PAR\n\n", 0x1b, 0x18, 0x1a);
	
	
	//コンピュータの手、プレイヤーの手を取得後に勝敗の判断
	while(1){
		
		swiWaitForVBlank();
		scanKeys();
		
		cpu = Janken_GetRandHand();
		
		if(keysDown() & KEY_LEFT){
			player = JANKEN_GOO;
			break;
			
		}else if(keysDown() & KEY_UP){
			player = JANKEN_CHOKI;
			break;
			
		}else if(keysDown() & KEY_RIGHT){
			player = JANKEN_PAR;
			break;
			
		}
		
	}
	
	judge = Janken_JudgeHand(player, cpu);
	
	
	//プレイヤーの手、コンピュータの手を表示後に勝敗の表示
	printf("YOU:");
	printf("%s", janken_hand[ player ]);
	printf(", ");
	printf("CPU:");
	printf("%s", janken_hand[ cpu ]);
	printf("\n");
	
	switch(judge){
		case JANKEN_AIKO:
			printf("DRAW GAME\n");
			break;
		case JANKEN_KACHI:
			printf("YOU WIN\n");
			break;
		case JANKEN_MAKE:
			printf("CPU WIN\n");
			break;
		default:
			break;
	}
	
	
	return 0;
	
}

//---------------------------------------------------------------------------------


JankenTypes.h

/*---------------------------------------------------------------------------------
	
	jankenTypes define header
	
	version 0.01
	Jan 18, 2010
	
	By. REGEKATSU
	
---------------------------------------------------------------------------------*/

#ifndef _JANKEN_TYPES_H_
#define _JANKEN_TYPES_H_


typedef enum{
	JANKEN_MAKE  = 0, 
	JANKEN_AIKO  = 1, 
	JANKEN_KACHI = 2
}JANKEN_JUDGE;


typedef enum{
	JANKEN_GOO   = 0, 
	JANKEN_CHOKI = 1, 
	JANKEN_PAR   = 2
}JANKEN_HAND;


#ifdef __cplusplus
extern "C" {
#endif


#ifdef __cplusplus
}
#endif

#endif	//_JANKEN_TYPES_H_


Janken.h

/*---------------------------------------------------------------------------------
	
	janken module header
	
	version 0.01
	Jan 18, 2010
	
	By. REGEKATSU
	
---------------------------------------------------------------------------------*/

#ifndef _JANKEN_H_
#define _JANKEN_H_


#include "JankenTypes.h"


#ifdef __cplusplus
extern "C" {
#endif


void Janken_InitRandHand(void);
JANKEN_HAND Janken_GetRandHand(void);
JANKEN_JUDGE Janken_JudgeHand(JANKEN_HAND hand1, JANKEN_HAND hand2);


#ifdef __cplusplus
}
#endif

#endif	//_JANKEN_H_


Janken.c

/*---------------------------------------------------------------------------------

	janken module routine
	
	version 0.01
	Jan 18, 2010
	
	By. REGEKATSU
	
---------------------------------------------------------------------------------*/

#include <stdlib.h>
#include <time.h>
#include "Janken.h"


//---------------------------------------------------------------------------------
void Janken_InitRandHand(void){
//---------------------------------------------------------------------------------
	
	srand(time(NULL));
	
}

//---------------------------------------------------------------------------------
JANKEN_HAND Janken_GetRandHand(void){
//---------------------------------------------------------------------------------
	
	return (JANKEN_HAND)(rand() % 2 + 1);
	
}

//---------------------------------------------------------------------------------
JANKEN_JUDGE Janken_JudgeHand(JANKEN_HAND hand1, JANKEN_HAND hand2){
//---------------------------------------------------------------------------------
	
	JANKEN_JUDGE judge;
	
	if(hand1 == hand2){
		judge = JANKEN_AIKO;
		
	}else if( (hand1 + 1) % 3 == hand2 ){
		judge = JANKEN_KACHI;
		
	}else{
		judge = JANKEN_MAKE;
	}
	
	return judge;
	
}

//---------------------------------------------------------------------------------