Final Submission. I have read and agreed with Statement of Academic Integrity.

Dependencies:   mbed

Files at this revision

API Documentation at this revision

Comitter:
louisberard
Date:
Fri Jun 05 19:41:15 2020 +0000
Parent:
9:b160a3de0d00
Commit message:
Final Submission. I have read and agreed with Statement of Academic Integrity.

Changed in this revision

main.cpp Show annotated file Show diff for this revision Revisions of this file
diff -r b160a3de0d00 -r 4f204c2ac16c main.cpp
--- a/main.cpp	Fri Jun 05 18:15:28 2020 +0000
+++ b/main.cpp	Fri Jun 05 19:41:15 2020 +0000
@@ -1,44 +1,49 @@
+/**
+ELEC2645 Embedded Systems Project
+School of Electronic & Electrical Engineering
+University of Leeds
+2019/20
+ 
+Name: Louis Berard
+Username: LL17L2B
+Student ID Number: 201209172
+Date: 05/06/20
+*/
 #include "mbed.h"
 #include "Gamepad.h"
 #include "N5110.h"
-
 ///Objects
 Gamepad pad;
 N5110 lcd;
 ///initialise global variables to be used throughout the game
 ///initial player position in all levels.
 char player_char = 'x';
-int player_xpos = 8;
+int player_xpos = 9;
 int player_ypos = 45;
-
 int aim_xpos;
 int aim_ypos;
-
 int portal_1_xpos;
 int portal_1_ypos;
-
 int portal_2_xpos;
 int portal_2_ypos;
-
 ///initialise x direction movement
 int move = 0;
 ///initialise terminators for menu and game loops.
 bool choice = false;
 bool endgame = false;
-
 ///initialise Game array
 char array[84][48];
 /**the characters in the level array's represent the following:
-'0' = air
-'1' = right facing wall
-'2' = floor
-'3' = cieling
-'4' = left facing wall
-'B' = Button
-'S' = Spikes
-'P' = portal 1
-'Q' = portal 2
-'x' = player
+*'0' = air
+*'1' = right facing wall
+*'2' = floor
+*'3' = cieling
+*'4' = left facing wall
+*'B' = Button
+*'S' = Spikes
+*'P' = portal 1
+*'Q' = portal 2
+*'x' = player
 */
 /// level 1
 char _level_1[84][48] = {
@@ -300,9 +305,7 @@
     {'3','0','0','0','0','0','0','2','3','0','0','0','0','0','0','0','0','0','0','0','0','0','0','0','0','0','0','0','0','1','D','D','D','D','D','D','D','D','D','D','D','D','D','D','D','D','D','2'},
     {'3','0','0','0','0','0','0','2','3','0','0','0','0','0','0','0','0','0','0','0','0','0','0','0','0','0','0','0','0','1','0','0','0','0','0','0','0','0','0','0','0','0','0','0','0','0','0','2'},
     {'3','1','1','1','1','1','1','1','1','1','1','1','1','1','1','1','1','1','1','1','1','1','1','1','1','1','1','1','1','1','0','0','0','0','0','0','0','0','0','0','0','0','0','0','0','0','0','2'},
- };  
-
- 
+ };
 ///Prototypes
 void pad_init();
 void update_display();
@@ -317,12 +320,11 @@
 void place_portal_1();
 void place_portal_2();
 ///Main function
-int main()
-{
+int main(){
 ///initialise the pad   
     pad_init();
     ///loop until player has selected an option from the menu
-    while(choice == false) {
+    while(choice == false){
         ///print welcome screen
         lcd.clear();
         lcd.printString("Welcome to",0,0);
@@ -360,29 +362,38 @@
             lcd.printString("Pot2 = aim ",0,4);
             lcd.printString("A = jump",0,3);
             lcd.printString("Reset=Restart",0,5);
-            
             lcd.refresh();
             wait_ms(5000);
             choice = false;
-            }
+            //printf("instructions selected\n");
+        }
             ///loads level 1.
         else if(pad.B_pressed() == 1){
             for(int i = 0; i < 84; i ++){
                 for(int j = 0; j < 48; j ++){
                     array[i][j] = _level_1[i][j];
-                    choice = true;}}}
+                    choice = true;
+                }
+            }
+        }
             ///loads level 2
         else if(pad.X_pressed() == 1){
             for(int i = 0; i < 84; i ++){
                 for(int j = 0; j < 48; j ++){
                     array[i][j] = _level_2[i][j];
-                    choice = true;}}}
+                    choice = true;
+                }
+            }
+        }
             ///loads level 3
         else if(pad.Y_pressed() == 1){
             for(int i = 0; i < 84; i ++){
                 for(int j = 0; j < 48; j ++){
                     array[i][j] = _level_3[i][j];
-                    choice = true;}}}
+                    choice = true;
+                }
+            }
+        }
         ///refresh lcd to display chosen level when menu loop breaks.
         lcd.refresh();
     }
@@ -390,42 +401,75 @@
     while(endgame == false){
         /// converts joystick input into left or right movement.
         get_move(move, pad);
-        
         /// checks to see if the move is valid and handles teleportation logic.
         collision_detection(move);
         /// checks to see if the player has jumped, if they have then the players y pos will descrease by 1
         if(pad.A_pressed() == 1){
             jump();
-            }
+        }
         ///checks to see if the player has placed portal 1, if they have then the portal will be placed in the array
         else if(pad.B_pressed() == 1){
+            int portal_1_counter = 0;
             place_portal_1();
             ///turns on left red led (LED1) to show portal 1 has been placed.
             pad.led(1,1);
+            for(int i = 0; i < 84; i ++){
+                for(int j = 0; j < 48; j ++){
+                    if (array[i][j] == 'P'){
+                    portal_1_counter+= 1;
+                    }      
+                }
             }
+            if (portal_1_counter == 1){
+                //printf("exactly 1 portal 1 has been placed\n");
+            }
+        }
         ///checks to see if the player has placed portal 2, if they have then the portal will be placed in the array
         else if(pad.Y_pressed() == 1){
+            int portal_2_counter = 0;
             place_portal_2();
             ///turns on right red led (LED4) to show portal 2 has been placed.
             pad.led(4,1);
+            for(int i = 0; i < 84; i ++){
+                for(int j = 0; j < 48; j ++){
+                    if (array[i][j] == 'Q'){
+                    portal_2_counter+= 1;   
+                    }   
+                }
             }
+            if (portal_2_counter == 1){
+            //printf("exactly 1 portal 2 has been placed\n");
+            }
+        }
         else
         ///handles setting the new position of the player in the array and erasing the previous player position from the array.
         apply_move();
         ///prints to the lcd
+        int player_counter = 0;
+        for(int i = 0; i < 84; i ++){
+            for(int j = 0; j < 48; j ++){
+                if (array[i][j] == 'x'){
+                player_counter+=1;
+                }
+            }
+        }
+                if (player_counter == 1){
+                //printf("exactly 1 player has been placed\n");
+                }
         print_screen();
         ///refreshes the lcd to display the new screen after movement.
         update_display();
         /// the objective of the game is to open the door and walk through it. as the door is on the right hand side of the screen, when the player
         /// xpos exceeds 82, the puzzle is assumed to be solved as the door has to be opened to progress.
         if(player_xpos > 82){
-            endgame = true;}
+            endgame = true;
+        }
     }
     ///clear the level and print the win screen
     lcd.clear();
     lcd.printString("Puzzle solved!",0,0);
-    lcd.printString("Press reset",0,0);
-    lcd.printString("To play again",0,0);
+    lcd.printString("Press reset",0,1);
+    lcd.printString("To play again",0,2);
     lcd.refresh();
 }
 ///initialise the game array with 0's
@@ -433,19 +477,22 @@
     for(int j = 0; j < 48; j++){
         for(int i = 0; i < 84; i++){
          array[i][j] = '0';
-         }}}    
-
+        }
+    }
+}    
 void apply_move(){
     /// removes old player char in the array and increments the value of the player_xpos by the value in move
     int old_player_xpos = player_xpos;
     player_xpos += move;
     array[old_player_xpos][player_ypos] = '0';
+    //printf("player has moved!");
     ///checks if the player is in the air, if they are then increase y by 1 until the player is on the floor and remove the old player char from the array
     int old_player_ypos = player_ypos;
     if(array[player_xpos][player_ypos+1] == '0'){
         player_ypos += 1;
         array[player_xpos][old_player_ypos] = '0';
-        }
+        //printf("player has moved down!");
+    }
     ///checks if the player has landed on spikes and displays the end game screen with instructions for how to restart the game if they have.
     else if(array[player_xpos][player_ypos+1] == 'S'){
         lcd.clear();
@@ -456,38 +503,41 @@
         wait_ms(1000000000);
     ///places the player char in the array
     add_player_array();
-        
-        }
+    }
 }
-    
 /// converts the chars in the array to on or off pixels, dependant on the type of object in the array. i.e walls are a dark pixel and portals are a light pixel
 /// this helps to distinguis where the portals are.
 void print_screen(){
- for(int j = 0; j < 48; j++){
-    for(int i = 0; i < 84; i++){
+    for(int j = 0; j < 48; j++){
+        for(int i = 0; i < 84; i++){
      
-         if (array[i][j] == '0'){
-             lcd.setPixel(i,j,false);
-             }
-         else if(array[i][j] == '1'){
-             lcd.setPixel(i,j, true);}
-         else if(array[i][j] == '2'){
-             lcd.setPixel(i,j, true);}
-         else if(array[i][j] == '3'){
-             lcd.setPixel(i,j, true);}
-         else if(array[i][j] == '4'){
-             lcd.setPixel(i,j, true);}    
-         else if(array[i][j] == 'x'){
-             lcd.setPixel(i,j, true);
+            if (array[i][j] == '0'){
+                lcd.setPixel(i,j,false);
+            }
+            else if(array[i][j] == '1'){
+                lcd.setPixel(i,j, true);
+            }
+            else if(array[i][j] == '2'){
+                lcd.setPixel(i,j, true);
+            }
+            else if(array[i][j] == '3'){
+                lcd.setPixel(i,j, true);
+            }
+            else if(array[i][j] == '4'){
+                lcd.setPixel(i,j, true);
+            }    
+            else if(array[i][j] == 'x'){
+                lcd.setPixel(i,j, true);
+            }
              
-             }
-         else if(array[i][j] == 'P' || array[i][j] == 'Q'){
-             lcd.setPixel(i,j, false);
+            else if(array[i][j] == 'P' || array[i][j] == 'Q'){
+                lcd.setPixel(i,j, false);
             }
-         else if(array[i][j] == 'B' || array[i][j] == 'D'|| array[i][j] == 'S'){
-             lcd.setPixel(i,j, true);
+            else if(array[i][j] == 'B' || array[i][j] == 'D'|| array[i][j] == 'S'){
+                lcd.setPixel(i,j, true);
             }
-            }}
+        }
+    }
          /// finds the position pot(2) is aiming at and prints the aim assist line   
          get_portal_angle();
          /// prints the player sprite
@@ -499,56 +549,43 @@
          lcd.setPixel(player_xpos-1,player_ypos-4, true);
          lcd.setPixel(player_xpos-2,player_ypos-1, true);
          lcd.setPixel(player_xpos-2,player_ypos, true);
-            }
-         
- 
- 
-
+} 
 ///initilise the pad and LCD
-void pad_init()
-{   
+void pad_init(){   
     lcd.init();
     lcd.setContrast(0.45);
     lcd.clear();
     pad.init();
 }
 ///places the player char in the array
-void add_player_array()
-{
+void add_player_array(){
      array[player_xpos][player_ypos] = player_char;
 }
-
-
 /// takes the input from the joystick and converts it into left/rigth movments
-void get_move(int, Gamepad &pad)
-{
-char d = pad.get_direction();
-
-        if(d == E){
-            move = 1;
-            }
-        else if(d == W){
-            move = -1;   
+void get_move(int, Gamepad &pad){
+    char d = pad.get_direction();
+    if(d == E){
+        move = 1;
+    }
+    else if(d == W){
+        move = -1;   
     }
     else move = 0;
-    }
-
-
+}
 /// refreshes the display with the updated game screen    
-void update_display()
-{
+void update_display(){
     lcd.refresh(); ///Refreshes the lcd so the pixels appear
     wait_ms(150);  ///Frame rate of game
 }
-
-void collision_detection(int)
-{
+void collision_detection(int){
     ///check if the player is moving into any object other than air. if they are then x direction movement = 0
     char dir = pad.get_direction();
     if(array[player_xpos+1][player_ypos] != '0' && dir == E){
-        move = 0;}
+        move = 0;
+    }
     else if(array[player_xpos-1][player_ypos] != '0' && dir == W){
-        move = 0;}
+        move = 0;
+    }
     /// checks if the player is directly next to a portal and runs the logic to check where the player should be teleported to. This is dependant on the surfaces the second portal is placed on.
     if(array[player_xpos+1][player_ypos] == 'P' || array[player_xpos-1][player_ypos] == 'P' || array[player_xpos][player_ypos-1] == 'P'  || array[player_xpos][player_ypos+1] == 'P' ){
         move = 0;
@@ -558,20 +595,24 @@
         /// if the position horizontally next to portal 2 is a '3' then portal 2 has been placed on a ceiling and the player must be placed below portal 2.
         if (array[portal_2_xpos-1][portal_2_ypos] == '3'){
             player_xpos = portal_2_xpos;
-            player_ypos = portal_2_ypos+2;}
+            player_ypos = portal_2_ypos+2;
+        }
         /// if the position horizontally next to portal 2 is a '2' then portal 2 has been placed on a floor and the player must be placed above and to the side of portal 2 so they dont fall back in.
         else if(array[portal_2_xpos-1][portal_2_ypos] == '2'){
                 player_xpos = portal_2_xpos + 1;
-                player_ypos = portal_2_ypos-1;}
+                player_ypos = portal_2_ypos-1;
+        }
         /// if the position vertically next to portal 2 is a '1' then portal 2 has been placed on a right facing wall and the player must be placed on the left of portal 2.
         else if(array[portal_2_xpos][portal_2_ypos - 1] == '1'){
                 player_xpos = portal_2_xpos - 2;
-                player_ypos = portal_2_ypos;}
+                player_ypos = portal_2_ypos;
+        }
         /// if the position vertically next to portal 2 is a '4' then portal 2 has been placed on a left facing wall and the player must be placed on the right of portal 2.
         else if(array[portal_2_xpos][portal_2_ypos - 1] == '4'){
                 player_xpos = portal_2_xpos + 2;
-                player_ypos = portal_2_ypos;}
-                }
+                player_ypos = portal_2_ypos;
+        }
+    }
     /// logic for entering portal 2
     else if(array[player_xpos+1][player_ypos] == 'Q' || array[player_xpos-1][player_ypos] == 'Q' || array[player_xpos][player_ypos-1] == 'Q'  || array[player_xpos][player_ypos+1] == 'Q' ){
         move = 0;
@@ -579,25 +620,24 @@
         /// if the position horizontally next to portal 1 is a '3' then portal 1 has been placed on a ceiling and the player must be placed below portal 1.
         if (array[portal_1_xpos-1][portal_1_ypos] == '3'){
             player_xpos = portal_1_xpos;
-            player_ypos = portal_1_ypos+2;}
+            player_ypos = portal_1_ypos+2;
+        }
         /// if the position horizontally next to portal 1 is a '2' then portal 1 has been placed on a floor and the player must be placed above and to the side of portal 1 so they dont fall back in.
         else if(array[portal_1_xpos-1][portal_1_ypos] == '2'){
                 player_xpos = portal_1_xpos + 1;
-                player_ypos = portal_1_ypos-1;}
+                player_ypos = portal_1_ypos-1;
+        }
         /// if the position vertically next to portal 1 is a '1' then portal 1 has been placed on a right facing wall and the player must be placed on the left of portal 1.
         else if(array[portal_1_xpos][portal_1_ypos - 1] == '1'){
                 player_xpos = portal_1_xpos - 2;
-                player_ypos = portal_1_ypos;}
+                player_ypos = portal_1_ypos;
+        }
         /// if the position vertically next to portal 1 is a '4' then portal 1 has been placed on a left facing wall and the player must be placed on the right of portal 1.
         else if(array[portal_1_xpos][portal_1_ypos - 1] == '4'){
                 player_xpos = portal_1_xpos + 2;
-                player_ypos = portal_1_ypos;}
-                }
-        
-        
-        
-        
-        
+                player_ypos = portal_1_ypos;
+        }
+    }   
     ///removes the old player char from the array and replaces it with zero  
     erase_old_sprites(player_xpos, player_ypos);
     ///checks if the player has stepped on the button, if they have then the button and door are replaced by air and the route to the exit is open.  
@@ -605,40 +645,38 @@
         for(int i = 0; i < 84; i++){
             for(int j = 0; j < 48; j++){
                 if(array[i][j] == 'D' || array[i][j] == 'B'){
-                    array[i][j] = '0';}}}}
+                    array[i][j] = '0';
+                }
+            }
+        }
+        //printf("Doors and buttons removed!");
+    }
 }
 /// removes the old player character from the array.
-void erase_old_sprites(char,char)
-{
+void erase_old_sprites(char,char){
     int old_player_xpos = player_xpos;
     array[old_player_xpos][player_ypos] = '0';
     
     int old_player_ypos = player_ypos;
     array[player_xpos][old_player_ypos] = '0';
-    }
-    
-
-void jump()
-{       ///if the space beneath the player = floor, then increase ypos by 1. Apply move causes the player to fall again shortly after on the next loop.
+}
+void jump(){       ///if the space beneath the player = floor, then increase ypos by 1. Apply move causes the player to fall again shortly after on the next loop.
         if(array[player_xpos][player_ypos+1] == '2'){
         int old_player_ypos = player_ypos;
         player_ypos += -1;
+        //printf("player has jumped!");
         ///removes old player char from the array
         array[player_xpos][old_player_ypos] = '0';
         }
 }        
-
 /// next steps are to turn pot into degrees and make a function which chechks which pixel the pot is pointing at. 
 /// this function takes the pot(2) input range and converts it into 45 degree segments, after which the aim detector is sent out until it hits another object
-void get_portal_angle()
-{
+void get_portal_angle(){
     ///take pot(2) val as a double to allow for more precise segments.
     double angle_input = pad.read_pot2();
-    
     ///position the player is aiming at
     aim_xpos = player_xpos;
     aim_ypos = player_ypos;
-    
     /// if pot(2) is between 0 and 45 degrees, aim detection is projected at the floor, 
     if(angle_input > 0 && angle_input < 0.125){
         /// The aim_ypos will increment until it is next to a surface that isnt the air.
@@ -647,8 +685,7 @@
         }
         /// increment once more to place portal in the surface
         aim_ypos = player_ypos + 1;
-        }
-        
+    }  
     /// if pot(2) is between 45 and 90 degrees, aim detection is diagonally down left
     else if(angle_input > 0.125 && angle_input < 0.25){
         while(array[aim_xpos -1 ][aim_ypos + 1] == '0'){
@@ -659,7 +696,7 @@
         /// performs increments and decrements once more to place portal in the surface
         aim_xpos += - 1;
         aim_ypos += 1;
-        }
+    }
     /// if pot(2) is between 90 and 135 degrees, aim detection is projected towards the left
     else if(angle_input > 0.25 && angle_input < 0.375){
         while(array[aim_xpos -1 ][aim_ypos] == '0'){
@@ -668,7 +705,7 @@
         }
         /// decrement once more to place portal in the surface
         aim_xpos += - 1;
-        }
+    }
     /// if pot(2) is between 135 and 180 degrees, aim detection is diagonally up left
     else if(angle_input > 0.375 && angle_input < 0.5){
         while(array[aim_xpos -1 ][aim_ypos-1] == '0'){
@@ -679,7 +716,7 @@
         /// performs decrements once more to place portal in the surface
         aim_xpos += - 1;
         aim_ypos += -1;
-        }
+    }
     /// if pot(2) is between 180 and 225 degrees, aim detection is upwards
     else if(angle_input > 0.5 && angle_input < 0.625){
         while(array[aim_xpos][aim_ypos-1] == '0'){
@@ -688,7 +725,7 @@
         }
         /// decrement once more to place portal in the surface
         aim_ypos += -1;
-        }
+    }
     /// if pot(2) is between 225 and 270 degrees, aim detection is diagonally up right
     else if(angle_input > 0.625 && angle_input < 0.75){
         while(array[aim_xpos+1][aim_ypos-1] == '0'){
@@ -699,7 +736,7 @@
         /// performs increments and decrements once more to place portal in the surface.
         aim_ypos += -1;
         aim_xpos +=  1;
-        }
+    }
     /// if pot(2) is between 270 and 315 degrees, aim detection is to the right
     else if(angle_input > 0.75 && angle_input < 0.875){
         while(array[aim_xpos+1][aim_ypos] == '0'){
@@ -708,7 +745,7 @@
         }
         /// The aim_xpos will increment once more to place the portal in the surface.
         aim_xpos +=  1;
-        }
+    }
     /// if pot(2) is between 315 and 360 degrees, aim detection is diagonally down right
     else if(angle_input > 0.875 && angle_input < 1){
         while(array[aim_xpos+1][aim_ypos + 1] == '0'){
@@ -719,32 +756,30 @@
         /// performs increments once more to place portal in the surface
         aim_xpos +=  1;
         aim_ypos += 1;
-        }
+    }
     /// draw the aim assist dashed line to give a visual representation of where the player is aiming the portal gun
     /// this code allows for dynamic drawing of the aim assist relevant to the players position and the aim direction given by the potentiometer
     lcd.drawLine((player_xpos),(player_ypos), aim_xpos,aim_ypos,2);
     lcd.refresh();
-    }
-    
+}  
 ///removed the old portal 1 and places the new one where the aim assist is pointed.    
-void place_portal_1()
-{
+void place_portal_1(){
         int old_p1_xpos = portal_1_xpos;
         int old_p1_ypos = portal_1_ypos;
         array[old_p1_xpos][old_p1_ypos] = '1';
         portal_1_xpos = aim_xpos;
         portal_1_ypos = aim_ypos;
-        array[portal_1_xpos][portal_1_ypos] = 'P';}        
-        
+        array[portal_1_xpos][portal_1_ypos] = 'P';
+}                
 ///removed the old portal 2 and places the new one where the aim assist is pointed.  
-void place_portal_2()
-{
+void place_portal_2(){
         int old_p2_xpos = portal_2_xpos;
         int old_p2_ypos = portal_2_ypos;
         array[old_p2_xpos][old_p2_ypos] = '1';
         portal_2_xpos = aim_xpos;
         portal_2_ypos = aim_ypos;
-        array[portal_2_xpos][portal_2_ypos] = 'Q';}
+        array[portal_2_xpos][portal_2_ypos] = 'Q';
+}