i need an input of this program. anything good or bad. what could .docx

i need an input of this program. anything good or bad. what
could be changed, what you may like or dislike about it. only
one paragraph.
// newTetris.cpp : Defines the entry point for the console
application.
//
#include "stdafx.h"
#include
#include
#include
#include
#define GAME_INTERVAL 20
#define DIR_DOWN 2
#define DIR_LEFT 4
#define DIR_RIGHT 6
#define DIR_ROTATE 5
using namespace std;
class TetrisShape {
public:
char shapeArray[4][4];
int shapeTopLeftX = 6;
int shapeTopLeftY = 0;
void populateShapeArray(int shape);
void rotate();
template
void setShape(char(&shape)[rows][cols]);
TetrisShape(int shape) { populateShapeArray(shape); };
TetrisShape() {};

};
void TetrisShape::rotate() {
char _shapeArray[4][4];
_shapeArray[0][0] = shapeArray[0][3]; _shapeArray[1][0] =
shapeArray[0][2]; _shapeArray[2][0] = shapeArray[0][1];
_shapeArray[3][0] = shapeArray[0][0];
for (int _x = 0; _x < 4; _x++) {
for (int _y = 0; _y < 4; _y++) {
shapeArray[_x][_y] = _shapeArray[_x][_y];
}
}
}
void TetrisShape::populateShapeArray(int shape) {
switch (shape) {
case 1:
shapeArray[0][0] = ' '; shapeArray[1][0] = ' '; shapeArray[2][0]
= ' '; shapeArray[3][0] = ' ';
shapeArray[0][1] = ' '; shapeArray[1][1] = 'X'; shapeArray[2][1]
= ' '; shapeArray[3][1] = ' ';
= ' '; shapeArray[3][2] = ' ';

= 'X'; shapeArray[3][3] = ' ';
break;
case 2:
= ' '; shapeArray[3][0] = ' ';
= ' '; shapeArray[3][1] = ' ';
= ' '; shapeArray[3][2] = ' ';
= ' '; shapeArray[3][3] = ' ';
break;
case 3:
= ' '; shapeArray[3][0] = ' ';
= ' '; shapeArray[3][1] = ' ';
= 'X'; shapeArray[3][2] = ' ';
= 'X'; shapeArray[3][3] = ' ';
break;
case 4:
= ' '; shapeArray[3][0] = ' ';
= 'X'; shapeArray[3][1] = ' ';
= 'X'; shapeArray[3][2] = ' ';
= ' '; shapeArray[3][3] = ' ';
break;
case 5:
= ' '; shapeArray[3][0] = ' ';

= 'X'; shapeArray[3][1] = ' ';
= 'X'; shapeArray[3][2] = ' ';
= 'X'; shapeArray[3][3] = ' ';
break;
case 6:
= ' '; shapeArray[3][0] = ' ';
= ' '; shapeArray[3][1] = ' ';
= 'X'; shapeArray[3][2] = ' ';
= 'X'; shapeArray[3][3] = ' ';
break;
}
}
int score = 0;
int currentShape = -1; // this is going to represent the
shape that is currently in play.
bool isDropping = false; // global that defines if a piece
is currently falling - mainly for gameTick function.
int currentTick = 0;
template
void generateBucket(char(&bucket)[rows][cols]); // Creates
a slightly pre-filled bucket.
void generateShapeStream(); // Generate a stream of shapes.
void dropShape(); // Draw the shape top/center.
bool moveShape(int direction); // Move the shape in the
spec. dir.
template
bool gameTick(char(&bucket)[rows][cols],
char(&perm_bucket)[rows][cols]); // Handles what

is going on in the game every second.
template
void landShape(char(&bucket)[rows][cols]); //
What to do when the shape hits the bottom.
template
int checkScore(char(&bucket)[rows][cols],
char(&perm_bucket)[rows][cols], int tempvar, int score);
template
void drawBucket(char(&bucket)[rows][cols]); //
Draws the current contents of the bucket.
template
bool canEnter(int direction, char(&bucket)[rows][cols]);
// Checks if the shape can enter the space it is trying to drop
into.
int getUserInput(); // gets the key pressed from the
user.
void setCursorTo(int x, int y);// Move the cursor to the
appropriate position
int previousX = 6, previousY = 0;
int shapes[256];
template
int check_bucket(char(&bucket)[rows][cols]);
template
void set_bucket(char(&bucket)[rows][cols],
char(&perm_bucket)[rows][cols]);
TetrisShape activeShape;
int main() {
// Two bucket arrays, one shown on the screen, the other with
the permanent contents of the buckets (walls and any non-
moving shapes)
char bucket[12][25];
int score = 0;
int tempvar = 0;

char _bucket[12][25];
int shapes[256] = {};
int shapeIndex = 0;
bool gameOver = false;
generateBucket(bucket);
generateBucket(_bucket);
generateShapeStream();
drawBucket(bucket);
while (!gameOver) {
gameOver = gameTick(bucket, _bucket);
Sleep(50);
checkScore(bucket, _bucket, tempvar, score);
cout << "Your Score is: " << score << endl;
currentTick++;
}
setCursorTo(25, 6);
cout << "GAME OVER";
system("pause");
}
void setCursorTo(int x, int y)
{
HANDLE handle;
COORD position;
handle = GetStdHandle(STD_OUTPUT_HANDLE);
position.X = x;
position.Y = y;
SetConsoleCursorPosition(handle, position);
}

/* generateBucket - takes a bucket array of any size and
* creates a semi-empty bucket, with a
* few random shapes in the bottom few lines. */
template
void generateBucket(char(&bucket)[rows][cols]) {
for (int w = 0; w < 12; w++) {
for (int z = 0; z < 25; z++) {
if (((w == 0) || (w == 11)) && (z == 0)) { bucket[w][z] = '.'; }
else if (((w % 12 == 0) || (w % 12 == 11)) && ((z > 0) && (z <
24))) { bucket[w][z] = '|'; }
else if (((w == 0) || (w == 11)) && (z == 24)) { bucket[w][z] =
'+'; }
else if (z == 24) { bucket[w][z] = '-'; }
else { bucket[w][z] = ' '; }
}
}
}
/* generateShapeStream - generates a pre-determined list of
* shapes that will fall from the sky. */
void generateShapeStream() {
// Initialize the random number generator
srand(time(NULL));
for (int i = 0; i < 256; i++) {
shapes[i] = rand() % 6 + 1;
}
//cout << "In generate shape..." << endl;
}
/* drawBucket - draws the actual bucket on the screen
* including the currently dropping shape. */
template
void drawBucket(char(&bucket)[rows][cols]) {
setCursorTo(0, 0);

for (int w = 0; w < 25; w++) {
for (int z = 0; z < 12; z++) {
cout << bucket[z][w];
}
cout << endl;
}
}
/* gameTick - this function does all of the different
* processessing that happens throughout
* the game.This also returns false to
* stop the main loop once gameover has
* been reached*/
template
bool gameTick(char(&bucket)[rows][cols],
char(&perm_bucket)[rows][cols]) {
drawBucket(bucket);
if (!isDropping) {
currentShape++;
activeShape = TetrisShape(shapes[currentShape]);
if (!canEnter(DIR_DOWN, perm_bucket)) {
return true;
}
else {
isDropping = true;
updateBucket(bucket, false);
}
}
else {
if (currentTick % GAME_INTERVAL == 1) {
// we are on a drop interval.
if (canEnter(DIR_DOWN, perm_bucket)) {

updateBucket(bucket, moveShape(DIR_DOWN));
}
else {
landShape(perm_bucket);
}
}
}
int direction = getUserInput();
if (canEnter(direction, perm_bucket)) {
updateBucket(bucket, moveShape(direction));
}
if (!canEnter(DIR_DOWN, perm_bucket)) {
landShape(perm_bucket);
set_bucket(bucket, perm_bucket);
}
return false;
}
/* moveShape - Handles moving the shape in the bucket. */
bool moveShape(int direction) {
previousX = activeShape.shapeTopLeftX;
previousY = activeShape.shapeTopLeftY;
switch (direction) {
case DIR_DOWN:
activeShape.shapeTopLeftY++;
return false;
break;
case DIR_RIGHT:
activeShape.shapeTopLeftX++;
return false;

break;
case DIR_LEFT:
activeShape.shapeTopLeftX--;
return false;
break;
case DIR_ROTATE:
activeShape.rotate();
return true;
break;
}
}
/* updateBucket - place the cureret shape in the bucket, remove
the old shape*/
template
void updateBucket(char(&bucket)[rows][cols], bool isRotation)
{
for (int _x = 0; _x < 4; _x++) {
for (int _y = 0; _y < 4; _y++) {
if (!isRotation) {
if ((activeShape.shapeArray[_x][_y] != ' ') && (bucket[_x +
previousX][_y + previousY] != '|') && (bucket[_x +
previousX][_y + previousY] != '-')) {
bucket[_x + previousX][_y + previousY] = ' ';
}
}
else {
if ((bucket[_x + previousX][_y + previousY] != '|') &&
(bucket[_x + previousX][_y + previousY] != '-')) {
bucket[_x + previousX][_y + previousY] = ' ';
}
}
}
}
for (int _x = 0; _x < 4; _x++) {

for (int _y = 0; _y < 4; _y++) {
if (activeShape.shapeArray[_x][_y] != ' ') {
bucket[_x + activeShape.shapeTopLeftX][_y +
activeShape.shapeTopLeftY] = activeShape.shapeArray[_x][_y];
}
}
}
}
/* landShape - Sets the shape in place once it hits the
bottom of the bucket. Moves the shape to the permanent bucket
(_bucket)*/
template
void landShape(char(&bucket)[rows][cols]) {
updateBucket(bucket, false);
previousX = 6; previousY = 0;
check_bucket(bucket);
isDropping = false;
}
template
int checkScore(char(&bucket)[rows][cols],
char(&perm_bucket)[rows][cols], int tempvar, int score)
{
for (int y = 0; y < 25; y++) {
int tmp_count = 0;
for (int x = 0; x < 13; x++) {
if (bucket[x][y] == 'X') {
tmp_count++;
}

}
if (tmp_count == 10) {
tempvar = 1;
if (tempvar == 1) {
score = score + 100;
return score;
}
}
}
}
/* getUserInput - Reads the user input from the player*/
int getUserInput() {
setCursorTo(35, 9);
if ((GetKeyState(VK_DOWN) != 0) &&
(GetKeyState(VK_DOWN) != 1)) { return DIR_DOWN; }
if ((GetKeyState(VK_RIGHT) != 0) &&
(GetKeyState(VK_RIGHT) != 1)) { return DIR_RIGHT; }
if ((GetKeyState(VK_LEFT) != 0) &&
(GetKeyState(VK_LEFT) != 1)) { return DIR_LEFT; }
if ((GetKeyState(VK_UP) != 0) && (GetKeyState(VK_UP) !=
1)) { return DIR_ROTATE; }
return 0;
}
/* canRotate - if we are adjacent to another shape, then we
CANNOT rotate */
template
bool canRotate(char(&bucket)[rows][cols]) {
// The only real way to do this is to create a copy of the shape,
rotate it, then try to determine where it will be in the bucket.
TetrisShape _tmp = TetrisShape(activeShape);
_tmp.rotate();

for (int _x = 0; _x < 4; _x++) {
for (int _y = 0; _y < 4; _y++) {
if (_tmp.shapeArray[_x][_y] != ' ') {
if (bucket[_tmp.shapeTopLeftX + _x][_tmp.shapeTopLeftY +
_y] != ' ') {
return false;
}
}
}
}
return true;
}
/* canEnter - Tests to see if the falling blocks can
enter in any direction.*/
template
bool canEnter(int dir, char(&bucket)[rows][cols]) {
// Check for collision with any elements of the shape array, and
any elements of the bucket.
// Determine which direction we are moving.
int delta_x = 0, delta_y = 0;
switch (dir) {
case DIR_DOWN:
delta_y++;
break;
case DIR_LEFT:
delta_x--;
break;
case DIR_RIGHT:
delta_x++;
break;
case DIR_ROTATE:
return canRotate(bucket);
break;

}
// Create the starting {x, y} position to test for collsion
int test_x = activeShape.shapeTopLeftX + delta_x;
int test_y = activeShape.shapeTopLeftY + delta_y;
for (int _x = 0; _x < 4; _x++) {
for (int _y = 0; _y < 4; _y++) {
if (activeShape.shapeArray[_x][_y] != ' ') {
if (bucket[test_x + _x][test_y + _y] != ' ') {
return false;
}
}
}
}
return true;
}
template
int checkScore(char(&bucket)[rows][cols], int tempvar, int
score) {
for (int y = 0; y < 25; y++) {
int tmp_count = 0;
for (int x = 0; x < 13; x++) {
tmp_count++;
}
}
tempvar = 1;
if (tempvar == 1) {
score = score + 100;
return score;
}
for (int x = 1; x < 11; x++) {
for (int _y = y; _y > 0; _y--) {

bucket[x][_y] = bucket[x][_y - 1];
}
}
}
}
}
template
void check_bucket(char(&bucket)[rows][cols]) {
for (int y = 0; y < 25; y++) {
int tmp_count = 0;
for (int x = 0; x < 13; x++) {
tmp_count++;
}
}
for (int x = 1; x < 11; x++) {
for (int _y = y; _y > 0; _y--) {
bucket[x][_y] = bucket[x][_y - 1];
}
}
}
}
}
template
void set_bucket(char(&bucket)[rows][cols],
char(&perm_bucket)[rows][cols]) {
for (int x = 0; x < 12; x++) {

for (int y = 0; y < 25; y++) {
bucket[x][y] = perm_bucket[x][y];
}
}
}

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