Added files

tetris-main.c

+#include "tetris-struct.h"
+
+int main(){
+
+}
\ No newline at end of file

tetris-struct.c

+#include "tetris-struct.h"
+
+#include <stdlib.h>
+
+Grid gridInit(){
+    Grid g;
+    g.matrix = calloc(g.width, sizeof(Square*));
+
+    for(int i = 0; i < g.width; i++){
+        g.matrix[i] = calloc(g.height, sizeof(Square));
+    }
+
+    g.matrix = squareMatrixInit(g.matrix, g.width, g.height);
+
+    return g;
+}
+
+Square squareInit(){
+    Square sq;
+    sq.isFilled = false;
+
+    return sq;
+}
+
+Square** squareMatrixInit(Square** matrix, int width, int height){
+    for(int i = 0; i < width; i++){
+        for(int j = 0; j < height; j++){
+            matrix[i][j] = squareInit();
+        }
+    }
+    return matrix;
+}
+
+Piece pieceInit(){
+    Piece p;
+    p.matrix = calloc(p.size, sizeof(Square*));
+
+    for(int i = 0; i < p.size; i++){
+        p.matrix[i] = calloc(p.size, sizeof(Square));
+    }
+
+    p.matrix = squareMatrixInit(p.matrix, p.size, p.size);
+
+    return p;
+}
+

tetris-struct.h

+#include <stdbool.h>
+
+typedef struct Square{
+    int size;
+    bool isFilled;
+
+} Square;
+
+typedef struct Grid
+{
+    int height = 20;
+    int width = 10;
+
+    Square** matrix;
+} Grid;
+
+typedef struct Piece
+{
+    int size = 4;
+
+    Square** matrix;
+} Piece;
+
+Grid gridInit();
+Square squareInit();
+Square** squareMatrixInit(Square** matrix, int width, int height);
+Piece pieceInit();
+
+void down();
+void move();
+void rotate();
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