From fc5c8a4646865aece1284e0db7d8eac6eafa99b4 Mon Sep 17 00:00:00 2001
From: RossTheRoss <msattr@gmail.com>
Date: Mon, 1 Apr 2019 20:29:08 -0500
Subject: Finish A

---
 ee1301/wk5/hw5_directory/strap012_HW5A.cpp | 123 +++++++++++++++++++----------
 1 file changed, 80 insertions(+), 43 deletions(-)

(limited to 'ee1301/wk5/hw5_directory/strap012_HW5A.cpp')

diff --git a/ee1301/wk5/hw5_directory/strap012_HW5A.cpp b/ee1301/wk5/hw5_directory/strap012_HW5A.cpp
index 95a80ad..4332d2d 100644
--- a/ee1301/wk5/hw5_directory/strap012_HW5A.cpp
+++ b/ee1301/wk5/hw5_directory/strap012_HW5A.cpp
@@ -1,4 +1,5 @@
 #include <iostream>
+#include <iomanip>
 #include <fstream>
 #include <string>
 using namespace std;
@@ -10,8 +11,8 @@ const char ROBOT = 'X';
 const char GOAL = 'O';
 const char WALL = 'W';
 const int screen_num_lines = 25;
-const int lengthX = 10;       // for now we only support square boards
-const int lengthY = 10;       // it "should" work with non-square, YMMV
+const int lengthX = 10; // for now we only support square boards
+const int lengthY = 10; // it "should" work with non-square, YMMV
 // Board is described by the following coordinate system:
 // 0 --> +X
 // |
@@ -33,23 +34,24 @@ int main()
     char board[lengthX][lengthY] = {0};
     int xPos = 0, yPos = 0;
     fin.open("maze.txt"); //maze.txt is in the directory that it is run in
-    if (!fin.is_open()) //If a custom maze does not exist, generate one automatically
+    if (!fin.is_open())   //If a custom maze does not exist, generate one automatically
     {
         initBoardDefault(board, xPos, yPos);
-    } else {
+    }
+    else
+    {
         initBoardCustom(board, xPos, yPos);
     }
-    while(hasChar(board, GOAL))
+    while (hasChar(board, GOAL))
     {
         char action;
         clearScreen();
         showGrid(board);
-        cout << "Where would you like to go? (l, r, u, d) " << endl << "Wall Boolean " << hasChar(board, GOAL) << endl;
+        cout << "Where would you like to go? (l, r, u, d) " << endl;
         cin >> action;
 
         updateGrid(board, xPos, yPos, action);
-    } 
-
+    }
 
     clearScreen();
     showGrid(board);
@@ -59,23 +61,28 @@ int main()
 }
 
 //The default (no custom file) maze is procedurally generated
-void initBoardDefault(char board[lengthX][lengthY], int &xPos, int &yPos) {
-        for(int curRow=0; curRow < lengthY; curRow++) {
-            for(int curCol=0; curCol < lengthX; curCol++) {
-                if ( (rand() % 5) + 1 == 4 || (rand() % 10) + 1 == 7) { 
-                    board[curCol][curRow] = WALL;
-                        } else {
-                        board[curCol][curRow] = BLANK;
-                        }
+void initBoardDefault(char board[lengthX][lengthY], int &xPos, int &yPos)
+{
+    for (int curRow = 0; curRow < lengthY; curRow++)
+    {
+        for (int curCol = 0; curCol < lengthX; curCol++)
+        {
+            if ((rand() % 5) + 1 == 4 || (rand() % 10) + 1 == 7)
+            {
+                board[curCol][curRow] = WALL;
+            }
+            else
+            {
+                board[curCol][curRow] = BLANK;
             }
         }
-        
+    }
 
-        board[0][0] = GOAL;
-        board[lengthX/2][lengthY/2] = ROBOT;
+    board[0][0] = GOAL;
+    board[lengthX / 2][lengthY / 2] = ROBOT;
 
-        xPos = lengthX/2;
-        yPos = lengthY/2;
+    xPos = lengthX / 2;
+    yPos = lengthY / 2;
 }
 
 void initBoardCustom(char board[lengthX][lengthY], int &xPos, int &yPos)
@@ -85,52 +92,82 @@ void initBoardCustom(char board[lengthX][lengthY], int &xPos, int &yPos)
         for (int curCol = 0; curCol < lengthX; curCol++)
         {
             fin >> board[curCol][curRow];
-            if (board[curCol][curRow] == 'X') {
+            if (board[curCol][curRow] == 'X')
+            {
+                board[curCol][curRow] = ROBOT;
                 xPos = curCol;
                 yPos = curRow;
             }
         }
     }
-
 }
 
-bool hasChar(char board[lengthX][lengthY], char findMe) {
-    for(int curRow=0; curRow < lengthY; curRow++) {
-        for(int curCol=0; curCol < lengthX; curCol++) {
-            if(board[curCol][curRow] == findMe) {
+bool hasChar(char board[lengthX][lengthY], char findMe)
+{
+    for (int curRow = 0; curRow < lengthY; curRow++)
+    {
+        for (int curCol = 0; curCol < lengthX; curCol++)
+        {
+            if (board[curCol][curRow] == findMe)
+            {
                 return true;
             }
         } //end curCol loop
-    } // end curRow loop
+    }     // end curRow loop
 
     return false;
 }
 
-void clearScreen() {
-    for(int i = 0;i<screen_num_lines;i++) {
+void clearScreen()
+{
+    for (int i = 0; i < screen_num_lines; i++)
+    {
         cout << endl;
     }
 }
 
-void showGrid(char board[lengthX][lengthY]) {
-    for(int curRow=0; curRow < lengthY; curRow++) {
-        for(int curCol=0; curCol < lengthX; curCol++) {
+void showGrid(char board[lengthX][lengthY])
+{
+    for (int curRow = 0; curRow < lengthY; curRow++)
+    {
+        for (int curCol = 0; curCol < lengthX; curCol++)
+        {
             cout << board[curCol][curRow];
         } // end curCol loop
         cout << endl;
     } // end curRow loop
 }
 
-void updateGrid(char board[lengthX][lengthY],int & xPos, int & yPos,char action) {
-    board[xPos][yPos] = BLANK;
-    if       (action == 'l' && xPos > 0) {
-            xPos--;
-    } else if(action == 'r' && xPos < lengthX - 1) {
-            xPos++;
-    } else if(action == 'u' && yPos > 0) {
-            yPos--;
-    } else if(action == 'd' && yPos < lengthY - 1) {
-            yPos++;
+void updateGrid(char board[lengthX][lengthY], int &xPos, int &yPos, char action)
+{
+    int oldX = xPos;
+    int oldY = yPos;
+    if (action == 'l' && xPos > 0)
+    {
+        xPos--;
+    }
+    else if (action == 'r' && xPos < lengthX - 1)
+    {
+        xPos++;
+    }
+    else if (action == 'u' && yPos > 0)
+    {
+        yPos--;
+    }
+    else if (action == 'd' && yPos < lengthY - 1)
+    {
+        yPos++;
+    }
+    //Hit detection
+    if (board[xPos][yPos] == WALL)
+    {
+        xPos = oldX;
+        yPos = oldY;
+        board[xPos][yPos] = WALL;
+    }
+    else
+    {
+        board[oldX][oldY] = BLANK;
     }
     board[xPos][yPos] = ROBOT;
 }
-- 
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