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QkoSad
2025-07-16 13:00:37 +03:00
commit 7894b48931
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projects/09/Tetris/Piece.jack
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class Piece {
static int lBorder, rBorder, uBorder, dBorder, st;
field int x1, y1, x2, y2, x3, y3, x4, y4, piece, direction;
field bool move;
static Array st;
constructor Piece new(int Ax1, int Ay1, int Ax2, int Ay2, int Ax3, int Ay3, int Ax4, int Ay4, int p) {
let x1 = Ax1;
let y1 = Ay1;
let x2 = Ax2;
let y2 = Ay2;
let x3 = Ax3;
let y3 = Ay3;
let x4 = Ax4;
let y4 = Ay4;
let piece = p;
let direction = 0;
let move = true;
return this;
}
function void init(){
var int a;
let lBorder = 0;
let rBorder = 511;
let uBorder = 0;
let dBorder = 255;
let st = Array.new(16);
let st[0] = 1;
while (a < 15){
let a = a + 1;
let st[a] = st[a - 1] + st[a - 1];
}
return;
}
method void dispose() {
do Memory.deAlloc(this);
return;
}
/** draws 2 rectangles also checks if there is a piece at the spawn which will indicate end of the game. */
method bool draw() {
var bool finish;
let finish = true;
let finish = Piece.sample(x1,y1) & finish;
let finish = Piece.sample(x2,y2) & finish;
let finish = Piece.sample(x3,y3) & finish;
let finish = Piece.sample(x4,y4) & finish;
if (finish){
do Screen.setColor(true);
do Screen.drawRectangle(x1, y1, x2, y2);
do Screen.drawRectangle(x3, y3, x4, y4);
return true;
}
return false;
}
/** Erases the square from the screen. */
method void erase() {
do Screen.setColor(false);
do Screen.drawRectangle(x1, y2, x2, y2);
do Screen.drawRectangle(x3, y3, x4, y4);
return;
}
/** checks if those coodinates hold any value > 0. */
function bool sample(int x, int y){
var int value, address, bit, memBlock;
let memBlock = x / 16;
let address = (32 * y) + memBlock + 16384;
if (address > 24576){
return false;
}
let value = Memory.peek(address);
if (value = 0){
return true;
}
return false;
}
method bool getMove(){
return move;
}
/** Checks if the piece can move in the given direction(dir). */
method bool fullSample(int dir){
var int size1, size2, i, j;
var bool result, flagUpon;
if (dir = 1){ //down
let size1 = x2 - x1;
let size2 = x4 - x3;
let result = true;
while (i < size1){ // for each block of the first rectangle
let j = 0;
let flagUpon = false;
while (j < size2){ // for each block of the second rectangle
if ((x1 + i) = (x3 + j)){ // if this block of the first rectangle sits upon a block of the second rectangle
let flagUpon = true;
}
let result = result & Piece.sample(x3 + j, y4 + 1); // if there is a block under the second rectangle
let j = j + 16; // sets the coords for the next block of the second rectangle
}
if (~(flagUpon)){
let result = result & Piece.sample(x1 + i, y2 + 1); // if there is a block under the first rectangle
}
let i = i + 16; // sets the coords for the next block of the firs rectangle
}
return result;
}
else{
if (dir = 2){ //right
let size1 = y2 - y1;
let size2 = y4 - y3;
let result = true;
while (i < size1){
let j = 0;
let flagUpon = false;
while (j < size2){
if ((y1 + i) = (y3 + j)){
let flagUpon = true;
}
let result = result & Piece.sample(x4 + 1, (y3 + j));
let j = j + 16;
}
if (~(flagUpon)){
let result = result & Piece.sample(x2 + 1, (y1 + i));
}
let i = i +16;
}
return result;
}
else{ // left
let size1 = y2 - y1;
let size2 = y4 - y3;
let result = true;
while (i < size2){
let j = 0;
let flagUpon = false;
while (j < size1){
if ((y3 + i) = (y1 + j)){
let flagUpon = true;
}
let result = result & Piece.sample(x1 - 1, (y1 + j));
let j = j + 16;
}
if (~(flagUpon)){
let result = result & Piece.sample(x3 - 1, (y3 + i));
}
let i = i + 16;
}
return result;
}
}
}
/** Moves the game piece 16 pixels down. */
method void moveDown() {
var int i;
if ((y2 < dBorder) & (y4 < dBorder) & (move) & fullSample(1)) {
while (i < 16){
do Screen.setColor(false);
do Screen.drawRectangle(x1, y1, x2, y1);
do Screen.drawRectangle(x3, y3, x4, y3);
let y1 = y1 + 1;
let y2 = y2 + 1;
let y3 = y3 + 1;
let y4 = y4 + 1;
do Screen.setColor(true);
do Screen.drawRectangle(x1, y2, x2, y2);
do Screen.drawRectangle(x3, y4, x4, y4);
let i = i + 1;
do Sys.wait(10);
}
}
else{
let move = false;
}
return;
}
/** Moves the game piece 16 pixels to the left. */
method void moveLeft() {
var int i;
if ((x1 + 15 > lBorder) & (move) & (x3 + 15 > lBorder)& fullSample(0)){
while (i < 16){
do Screen.setColor(false);
do Screen.drawRectangle(x2, y1, x2, y2);
do Screen.drawRectangle(x4, y3, x4, y4);
let x1 = x1 - 1;
let x2 = x2 - 1;
let x3 = x3 - 1;
let x4 = x4 - 1;
do Screen.setColor(true);
do Screen.drawRectangle(x1, y1, x2, y2);
do Screen.drawRectangle(x3, y3, x4, y4);
let i = i + 1;
do Sys.wait(10);
}
}
return;
}
/** Moves the game piece 16 pixels to the right. */
method void moveRight() {
var int i;
if ((x4 < rBorder) & (move) & (x2 < rBorder) & fullSample(2)){
while (i < 16){
do Screen.setColor(false);
do Screen.drawRectangle(x1, y1, x1, y2);
do Screen.drawRectangle(x3, y3, x3, y4);
let x1 = x1 + 1;
let x2 = x2 + 1;
let x3 = x3 + 1;
let x4 = x4 + 1;
do Screen.setColor(true);
do Screen.drawRectangle(x1, y1, x2, y2);
do Screen.drawRectangle(x3, y3, x4, y4);
let i = i + 1;
do Sys.wait(10);
}
}
return;
}
/** Deletes the piece and draws it at the new coodinates. */
method void reDraw(int Ax1, int Ay1, int Ax2, int Ay2, int Ax3, int Ay3, int Ax4, int Ay4){
var int absTmp;
if((Ax1 < 175) | (Ax3 < 175) | (Ax2 > 336) | (Ax4 > 336)){
return;
}
if((Ay2 > 255) | (Ay4 > 255) | (Ay1 < 0) | (Ay3 < 0)){
return;
}
if((Ax1 > Ax2) | (Ax3 > Ax4) | (Ay1 > Ay2) | (Ay3 > Ay4)){
return;
}
do Screen.setColor(false);
do Screen.drawRectangle(x1, y1, x2, y2);
do Screen.drawRectangle(x3, y3, x4, y4);
do Screen.setColor(true);
let x1 = Ax1;
let y1 = Ay1;
let x2 = Ax2;
let y2 = Ay2;
let x3 = Ax3;
let y3 = Ay3;
let x4 = Ax4;
let y4 = Ay4;
do Screen.drawRectangle(x1, y1, x2, y2);
do Screen.drawRectangle(x3, y3, x4, y4);
return;
}
/** Rotates the piece clockwise. */
method void rotate(){
var bool samp;
let samp = true;
if (direction = 0){ // starting position
if (piece = 0){ // arrow
let samp = Piece.sample(x4, y1) & samp; // checks if the place at which the new piece will be drawn are free
let samp = Piece.sample(x4, y1 - 1) & samp;
if (samp){
do reDraw(x1, y1, x2, y2, x4 - 15, y4 - 47, x4, y4); // redraws it at the new location
let direction = 1;
}
}
if (piece = 1){
let samp = Piece.sample(x1 + 16, y1) & samp;
let samp = Piece.sample(x1 + 16, y1 - 16) & samp;
let samp = Piece.sample(x4, y1 - 16) & samp;
if(samp){
do reDraw(x1 + 16, y1 - 16, x4 - 16, y4, x4 - 15, y1 - 16, x4, y1 - 1);
let direction = 1;
}
}
if (piece = 2){
let samp = Piece.sample(x1 - 16, y1 - 16) & samp;
let samp = Piece.sample(x1 - 16, y1) & samp;
if (samp){
do reDraw(x1 - 16, y1 - 16, x2 - 16, y2 + 16, x3 + 32, y3, x4, y4);
let direction = 1;
}
}
if (piece = 3){
let samp = Piece.sample(x3 + 16, y3 - 32) & samp;
let samp = Piece.sample(x4, y4 - 16) & samp;
if (samp){
do reDraw(x1 + 16, y1, x2, y2 + 16, x3 + 16, y3 - 32, x4, y4 - 16);
let direction = 1;
}
}
if (piece = 4){
let samp = Piece.sample(x3 + 32, y3 - 32) & samp;
if (samp){
do reDraw(x1, y1, x2 - 16, y2 + 16, x3 + 32, y3 - 32, x4 + 16, y4 - 16);
let direction = 1;
}
}
if (piece = 5){
let samp = Piece.sample(x1 + 32, y1 - 32) & samp;
let samp = Piece.sample(x2 + 16, y2 - 16) & samp;
let samp = Piece.sample(x4 - 16, y4 + 16) & samp;
if (samp){
do reDraw(x1 + 32, y1 - 32, x2 + 16, y2 - 16, x3, y3, x4 - 16, y4 + 16);
let direction = 1;
}
}
}
else{
if (direction = 1){
if (piece = 0){
let samp = Piece.sample(x1, y3) & samp;
let samp = Piece.sample(x1 - 1, y3) & samp;
if (samp){
do reDraw(x1 - 16, y3, x4, y3 + 15, x1, y1, x2, y2);
let direction = 2;
}
}
if (piece = 1){
let samp = Piece.sample(x1 - 16, y1 + 16) & samp;
let samp = Piece.sample(x3, y3 + 16) & samp;
let samp = Piece.sample(x3, y3 + 32) & samp;
if (samp){
do reDraw(x1 - 16, y1 + 16, x4, y4 + 16, x3, y3 + 32, x4, y2);
let direction = 2;
}
}
if (piece = 2){
let samp = Piece.sample(x1 - 16, y1 + 16) & samp;
let samp = Piece.sample(x2 + 16, y2 - 16) & samp;
let samp = Piece.sample(x3 - 32, y3) & samp;
if (samp){
do reDraw(x1 - 16, y1 + 16, x2 + 16, y2 - 16, x3 - 32, y3, x4 - 32, y4);
let direction = 2;
}
}
if (piece = 3){
let samp = Piece.sample(x1 - 16, y1) & samp;
let samp = Piece.sample(x4, y4 + 16) & samp;
if (samp){
do reDraw(x1 - 16, y1, x2, y2 - 16, x3 - 16, y3 +32, x4, y4 + 16);
let direction = 2;
}
}
if (piece = 4){
let samp = Piece.sample(x3 - 32, y3 + 32) & samp;
if (samp){
do reDraw(x1, y1, x2 + 16, y2 - 16, x3 - 32, y3 + 32, x4 - 16, y4 + 16);
let direction = 2;
}
}
if (piece = 5){
let samp = Piece.sample(x1 - 16, y1 + 16) & samp;
let samp = Piece.sample(x3 + 16, y3 - 16) & samp;
let samp = Piece.sample(x4 + 32, y4 - 32) & samp;
if (samp){
do reDraw(x1 - 32, y1 + 16, x2 - 16, y2, x3, y3 - 16, x4 + 16, y4 - 32);
let direction = 2;
}
}
}
else{
if (direction = 2){
if (piece = 0){
let samp = Piece.sample(x1, y1+16) & samp;
let samp = Piece.sample(x1, y1+32) & samp;
if (samp){
do reDraw(x1, y1, x1 + 15, y1 + 47, x3, y3, x4, y4);
let direction = 3;
}
}
if (piece = 1){
let samp = Piece.sample(x1 - 16, y1 + 16) & samp;
let samp = Piece.sample(x3, y3 + 16) & samp;
let samp = Piece.sample(x3, y3 + 32) & samp;
if (samp){
do reDraw(x1, y1 + 16, x1 + 15, y1 + 31, x1 + 16, y1 - 16, x4 - 16, y4);
let direction = 3;
}
}
if (piece = 2){
let samp = Piece.sample(x1, y1 - 16) & samp;
let samp = Piece.sample(x2 + 32, y2 + 16) & samp;
let samp = Piece.sample(x4 + 16, y4) & samp;
if (samp){
do reDraw(x1, y1 - 16, x2 - 32, y2 - 16, x3 + 16, y3 - 32, x4 + 16, y4);
let direction = 3;
}
}
if (piece = 3){
let samp = Piece.sample(x2 - 16, y2 + 16) & samp;
let samp = Piece.sample(x3, y3 - 32) & samp;
if (samp){
do reDraw(x1, y1, x2 - 16, y2 + 16, x3, y3 - 32, x4 - 16, y4 - 16);
let direction = 3;
}
}
if (piece = 4){
let samp = Piece.sample(x1 - 16, y1 - 16) & samp;
let samp = Piece.sample(x2 - 32, y2) & samp;
if (samp){
do reDraw(x1 - 16, y1 - 16, x2 - 32, y2, x3 + 16, y3 - 16, x4, y4);
let direction = 3;
}
}
if (piece = 5){
let samp = Piece.sample(x1 + 16, y1 - 16) & samp;
let samp = Piece.sample(x3 - 16, y3 - 16) & samp;
let samp = Piece.sample(x4 - 32, y4 + 32) & samp;
if (samp){
do reDraw(x1 + 16, y1 - 16, x2, y2, x3 - 16, y3 + 16, x4 - 32, y4 + 32);
let direction = 3;
}
}
}
else{
if (piece = 0){
let samp = Piece.sample(x4 + 16, y4) & samp;
let samp = Piece.sample(x4 + 32, y4) & samp;
if (samp){
do reDraw(x3, y3, x4, y4, x1, y1 + 32, x1 + 47, y1 + 47);
let direction = 0;
}
}
if (piece = 1){
let samp = Piece.sample(x1, y1 - 16) & samp;
let samp = Piece.sample(x4 + 16, y4) & samp;
if (samp){
do reDraw(x1, y1 - 16, x2, y2 -16, x1, y1, x4 + 16, y4);
let direction = 0;
}
}
if (piece = 2){
let samp = Piece.sample(x1 + 32, y1 + 16) & samp;
let samp = Piece.sample(x3 - 16, y3 + 32) & samp;
let samp = Piece.sample(x4 + 16, y4) & samp;
if (samp){
do reDraw(x1 + 32, y1 + 16, x2 + 32, y2 + 16, x3 - 16, y3 + 32, x4 + 16, y4);
let direction = 0;
}
}
if (piece = 3){
let samp = Piece.sample(x3, y3 + 32) & samp;
let samp = Piece.sample(x4 + 16, y4 + 16) & samp;
if (samp){
do reDraw(x1, y1, x2 + 16, y2 - 16, x3, y3 + 32, x4 + 16, y4 + 16);
let direction = 0;
}
}
if (piece = 4){
let samp = Piece.sample(x3 - 16, y3 + 16) & samp;
let samp = Piece.sample(x2 + 32, y2) & samp;
if (samp){
do reDraw(x1 + 16, y1 + 16, x2 + 32, y2, x3 - 16, y3 + 16, x4, y4);
let direction = 0;
}
}
if (piece = 5){
let samp = Piece.sample(x1 - 16, y1 + 32) & samp;
let samp = Piece.sample(x3 + 16, y3) & samp;
let samp = Piece.sample(x4 + 32, y4 - 16) & samp;
if (samp){
do reDraw(x1 - 16, y1 + 32, x2, y2 + 16, x3 + 16, y3, x4 + 32, y4 - 16);
let direction = 0;
}
}
}
}
}
return;
}
}