Commit: 09edd29220b41e9bbc97d1fbe03c8e7cfc1c2b95 - VSPRAC (git)

練習用です。いろんなものがごちゃまぜです。

Commit MetaInfo

• Revision: 09edd29220b41e9bbc97d1fbe03c8e7cfc1c2b95 (tree)
• Time: 2017-03-08 16:48:35
• Author: bellyoshi <tccwas@gmai...>
• Commiter: bellyoshi

Log Message

テーブル駆動型に

Change Summary

• modified: CPP/ITP1_11/a.cpp

Incremental Difference

--- a/CPP/ITP1_11/a.cpp
+++ b/CPP/ITP1_11/a.cpp
@@ -1,48 +1,61 @@
 #include <iostream>
 #include <string>
+#include <cassert>
 
 using namespace std;
 
 const int DICE_SIZE = 6;
 
+//ダイス
+//東西南北に転がすことができる。
 class dice {
+  //一番上,南面,東面,西面,北面,底面の数字
   int values[DICE_SIZE];
 public:
-  dice (){};
-  virtual ~dice (){};
-  void west();
-  void north();
-  void east();
-  void south();
+  dice ();
+  virtual ~dice ();
   int &operator[](int i){
-    int idx = i % DICE_SIZE;
-    return values[idx];
+    assert(0 <= i && i < DICE_SIZE);
+    return values[i];
   };
   void docmd(string str);
   void docmd(char c);
 private:
-  int westindex[4] = {0,2,5,3};
-  int northindex[4] = {0,1,5,4};
+  int indexs[4][4];
+  char *cmdChar;
   void move_forward(int *indexs);
-  void move_reverse(int *indexs);
 };
+dice::dice(){
+  int westindex[4] = {1, 3, 6, 4};
+  int northindex[4] = {1, 2, 6, 5};
+  cmdChar = new char[4]{'W', 'E', 'N', 'S'};
+  for(int i = 0; i < 4; i++){
+    indexs[0][i] = westindex[i] - 1;//W
+    indexs[1][i] = westindex[4 - i - 1] - 1;//E
+    indexs[2][i] = northindex[i] - 1;//N
+    indexs[3][i] = northindex[4 - i - 1] - 1;//S
+  }
+}
+dice::~dice(){
+  delete [] cmdChar;
+}
 
 void dice::docmd(string str){
   for(int i = 0; i < str.length(); i++){
+  //  cout << "docmd(str[i])" << str[i] << endl;
     docmd(str[i]);
   }
 }
 
 void dice::docmd(char c){
-  if(c == 'W'){
-    west();
-  } else if (c == 'E'){
-    east();
-  } else if (c == 'N'){
-    north();
-  } else if (c == 'S'){
-    south();
+  for(int i = 0; i < 4; i++){
+    if (c == cmdChar[i]){
+    //  cout << cmdChar[i] << endl;
+      move_forward(indexs[i]);
+      return;
+    }
   }
+  assert(false);//命令表にない命令
 }
 void dice::move_forward(int *indexs){
   int temp = values[indexs[0]];
@@ -51,27 +64,6 @@ void dice::move_forward(int *indexs){
   values[indexs[2]] = values[indexs[3]];
   values[indexs[3]] = temp;
 }
-void dice::move_reverse(int *indexs){
-  int temp = this->values[indexs[3]];
-  values[indexs[3]] = values[indexs[2]];
-  values[indexs[2]] = values[indexs[1]];
-  values[indexs[1]] = values[indexs[0]];
-  values[indexs[0]] = temp;
-}
-void dice::west(){
-  move_forward(westindex);
-}
-void dice::east(){
-  move_reverse(westindex);
-}
-void dice::north(){
-  move_forward(northindex);
-}
-void dice::south(){
-  move_reverse(northindex);
-}
-
-
 
 int main(int argc, char const *argv[]) {
   dice d;