ELEC2645 (2019/20)
Final Submission. I have read and agreed with Statement of Academic Integrity.
Dependencies: mbed
Revision 10:4f204c2ac16c, committed 2020-06-05
- 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 |
--- 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';
+}