Refactored file structure and removed unnecessary code

js/game-info.js

@@ -0,0 +1,70 @@
+class GameInfo {
+    constructor(game) {
+        this.fieldSize = {x: 12, y: 20};
+        this.arena = new Arena(this, game);
+
+        this.player = new Player(this, game);
+
+        this.canvas = document.getElementById('tetris');
+        this.context = this.canvas.getContext('2d');
+
+        this.canvasBg = document.getElementById('tetris-background');
+        this.contextBg = this.canvasBg.getContext('2d');
+
+        this.canvasHold = document.getElementById('tetris-hold');
+        this.contextHold = this.canvasHold.getContext('2d');
+
+        this.canvasUpcoming = document.getElementById('tetris-upcoming');
+        this.contextUpcoming = this.canvasUpcoming.getContext('2d');
+
+        this.isPaused = true;
+
+        this.dropCounter = 0;
+        this.dropInterval = 1000;
+
+        this.keys = {
+            down: {
+                keys: [40, 83],
+                action: () => this.player.drop()
+            },
+            left: {
+                keys: [37, 65],
+                action: () => this.player.move(-1)
+            },
+            right: {
+                keys: [39, 68],
+                action: () => this.player.move(1)
+            },
+            rotateLeft: {
+                keys: [81],
+                action: () => this.player.rotate(-1)
+            },
+            rotateRight: {
+                keys: [69],
+                action: () => this.player.rotate(1)
+            },
+            holdTile: {
+                keys: [38, 87],
+                action: () => this.player.hold()
+            }
+        };
+
+        this.prevUpdateScore = 0;
+
+        this.lastScore = 0;
+        this.lastTime = 0;
+        this.lastTimeUpdate = Date.now();
+
+        this.startTime = 0;
+
+        this.upcomingTiles = [];
+
+        /*
+        default -> plain squares
+        retro -> original look
+        modern -> rounded corners
+        snake -> all tiles are connected
+         */
+        this.theme = 'default';
+    }
+}