Diff: Engine/Engine.cpp

Revision:

16:4d329ce7b156

Parent:

15:130900e5c268

Child:

17:2a909f7da973

--- a/Engine/Engine.cpp	Tue May 08 14:06:47 2018 +0000
+++ b/Engine/Engine.cpp	Tue May 08 14:41:56 2018 +0000
@@ -12,10 +12,12 @@
 
 void Engine::init()     // initialise the game parameters
 {
+
+    gameTest();
+
     _solid.init(10,15);
     _noodles.init(10,10);
     _gameOver = false;
-    lvlTwo()    ;
 }
 void Engine::setLvl(int _levelToSet)
 {
@@ -66,8 +68,8 @@
     };
 
     /*
-    To load a set level, the level is first created as a new 2d array. It is set values for each coordinate 
-    Then the functional array has the values of _newGrid set to it individually 
+    To load a set level, the level is first created as a new 2d array. It is set values for each coordinate
+    Then the functional array has the values of _newGrid set to it individually
     */
     for(int i = 0; i < 22; i++) {
         for (int j = 0; j < 22; j++) {
@@ -118,7 +120,7 @@
 void Engine::draw(N5110 &lcd)
 {
     lcd.drawRect(0,0,48,48,FILL_TRANSPARENT);                           //draws a square around the 'play area'
-    
+
     for (int j = 0; j < 22; j++) {                                      //goes through each coordinate in the grid,
         for (int i = 0; i < 22; i++) {
             if (_grid[i][j] != 0) {                                     //checks if the current square is NOT empty
@@ -127,7 +129,7 @@
         }
     }
 
-    lcd.printString("Score",50,0); 
+    lcd.printString("Score",50,0);
 
 
     int _score = (_solid.getLength() - 3);      //gets the score from the current snake length, it defualts to lenght 3 and increases with each food eaten. Therefor the length will allways be 3 more than the score
@@ -156,22 +158,22 @@
 
     checkGameOverAndSetGrid(); //checks if a game over state has been reached, if not set the new coordinates for the snake
 
-    _grid[_noodles.getY()][_noodles.getY()] = 2;   //sets the current location of the food to the grid, stored as a 2 to differentiate it from the terrrain and tail
+    _grid[_noodles.getX()][_noodles.getY()] = 2;   //sets the current location of the food to the grid, stored as a 2 to differentiate it from the terrrain and tail
 
     if (checkFood()) { //checks if the head has reached food
-    
+
         pad.tone(750.0,0.1); //plays a beep to signify that the snake has eaten
 
         growSnake(); //grows the snake as it has eaten the food
 
         bool empty = false; //makes a varible for finding an empty square
-        
+
         while (!empty) {    //loops until empty square found
-        
+
             _noodles.random(); //randomise position of noodles
-            
-            if ( _grid[_noodles.getY()][_noodles.getY()] == 0) {
-                
+
+            if ( _grid[_noodles.getX()][_noodles.getY()] == 0) {
+
                 empty = true; //stops looping when free space is found
                 // no need to set the grid as it will put the noodles in the new location the next time 'update' is called
             }
@@ -194,7 +196,7 @@
         }
 
         if (_grid[_solid.getX(z)][_solid.getY(z)] != 1) {       //checks if the square the snake has moved to is clear
-            _grid[_solid.getX(z)][_solid.getY(z)] = 1;          //if so sets the current square to be occupied 
+            _grid[_solid.getX(z)][_solid.getY(z)] = 1;          //if so sets the current square to be occupied
         } else {
             _gameOver = true;                                   //if not a game over state has been reached
         }
@@ -217,7 +219,7 @@
         _solid.grow();  //makes snake longer
 
     }
-    
+
     //If the snake cannot grow any more the player has won the game and filled every tile with the snake, this is extremly unlikely to happen and a game over state will be reached
     //I feel no need to implement a victory screen due to how unlikey this is to happen
 }
@@ -233,3 +235,87 @@
     return _gameOver;
 }
 
+void  Engine::gameTest()
+{
+
+    if (!snakeTest()) {
+        printf("Some game tests failed!\n");
+    } else if (!foodTest()) {
+        printf("Some game tests failed!\n");
+    } else {
+        printf("All game tests passed!\n");
+    }
+}
+
+bool  Engine::snakeTest()
+{
+    //checks if the grow function and initalisation works corectly
+
+    _solid.init(12,10);
+
+    bool _testState = true;
+
+    _solid.grow();
+    _solid.grow();
+
+    int _testLength = _solid.getLength();
+
+    if ( _testLength != 5) { //checks if the snake has grown
+        _testState = false;
+    }
+    if ( _solid.getY(0) != 10) { //checks the coordiantes of each snake section to check they are in the correct place
+        _testState = false;
+    }
+    if ( _solid.getX(0) != 12) {
+        _testState = false;
+    }
+    if ( _solid.getY(1) != 11) {
+        _testState = false;
+    }
+    if ( _solid.getX(1) != 12) {
+        _testState = false;
+    }
+    if ( _solid.getY(2) != 12) {
+        _testState = false;
+    }
+    if ( _solid.getX(2) != 12) {
+        _testState = false;
+    }
+
+    return _testState;
+
+}
+
+bool  Engine::foodTest()
+{
+    //checks if the radomise function works correctly for the food
+
+    bool _testState = true;
+
+    _noodles.init(7,3);
+
+    _grid[_noodles.getX()][_noodles.getY()] = 2; //sets the grid value so that the randomise loop will work correctly
+    
+    
+
+    bool empty = false; //makes a varible for finding an empty square
+
+    while (!empty) {    //loops until empty square found
+
+        _noodles.random(); //randomise position of noodles
+
+        if ( _grid[_noodles.getX()][_noodles.getY()] == 0) {
+
+            empty = true; //stops looping when free space is found
+            // no need to set the grid as it will put the noodles in the new location the next time 'update' is called
+        }
+
+    }    
+    
+
+    if (_noodles.getX() ==7 && _noodles.getY() == 3) { //checks to see if randomised correctly
+        _testState = false; //fail
+    }
+
+    return _testState;
+}