// c:\Users\benji\OneDrive\Documents\Source Code\sandgame\state.js
export const canvas = document.getElementById('gameCanvas');
export const ctx = canvas.getContext('2d');

export const cellSize = 5;
export let cols = 0;
export let rows = 0;
export let grid = [];
export let selectedType = 'dirt';

export function setSelectedType(type) {
    selectedType = type;
}

export function setGrid(newGrid) {
    grid = newGrid;
}

export function resize() {
    canvas.width = window.innerWidth;
    canvas.height = window.innerHeight;
    
    cols = Math.floor(canvas.width / cellSize);
    rows = Math.floor(canvas.height / cellSize);
    
    // Initialize grid with nulls
    grid = new Array(cols).fill(null).map(() => new Array(rows).fill(null));
}