class GameScene extends Phaser.Scene {
    preload() {
        // Load the Tiled JSON and the tileset image
        this.load.tilemapTiledJSON('map', 'assets/level1.json');
        this.load.image('tiles', 'assets/tilesheet.png');
    }

    create() {
        // Create the tilemap from cached JSON
        const map = this.add.tilemap('map');

        // Link the tileset image to the tileset name used in Tiled
        const tileset = map.addTilesetImage('tilesheet', 'tiles');

        // Create a layer - layerID must match the layer name in Tiled
        const ground = map.createLayer('Ground', tileset);

        // Enable collision on specific tile indexes
        ground.setCollision([1, 2, 3]);
    }
}

const map = this.add.tilemap('map');    // Data container (not rendered)
const layer = map.createLayer('Ground', tileset);  // Game Object (rendered)

// tilesetName: the name in Tiled's tileset panel
// key: the Phaser texture key (defaults to tilesetName if omitted)
const tileset = map.addTilesetImage('tilesetName', 'textureKey');

// Override tile dimensions, margin, and spacing if needed
const tileset = map.addTilesetImage('name', 'key', 16, 16, 1, 2);

// Pass gpu: true as the 5th argument to createLayer
const layer = map.createLayer('Ground', tileset, 0, 0, true);

// If you edit tiles on a GPU layer, regenerate the data texture:
gpuLayer.putTileAt(5, 10, 10);
gpuLayer.generateLayerDataTexture();

preload() {
    this.load.tilemapTiledJSON('map', 'assets/map.json');
    this.load.image('tiles', 'assets/tileset.png');
}

create() {
    const map = this.add.tilemap('map');
    const tileset = map.addTilesetImage('TilesetNameInTiled', 'tiles');
    const layer = map.createLayer('LayerNameInTiled', tileset);
}

const map = this.add.tilemap('map');
const tileset = map.addTilesetImage('terrain', 'terrain-img');

const background = map.createLayer('Background', tileset);
const ground = map.createLayer('Ground', tileset);
const foreground = map.createLayer('Foreground', tileset);

// Layers are rendered in creation order. Use depth for finer control:
foreground.setDepth(10);

const tiles1 = map.addTilesetImage('terrain', 'terrain-img');
const tiles2 = map.addTilesetImage('objects', 'objects-img');
const layer = map.createLayer('Ground', [tiles1, tiles2]);

const map = this.add.tilemap('map');
const tileset = map.addTilesetImage('terrain', 'terrain-img');

// createBlankLayer(name, tileset, x, y, width, height, tileWidth, tileHeight)
const layer = map.createBlankLayer('dynamic', tileset, 0, 0, 50, 50, 32, 32);

// Fill it with tiles
layer.fill(1);  // Fill entire layer with tile index 1
layer.putTileAt(5, 10, 10);  // Place tile index 5 at tile coord (10, 10)

// By specific tile indexes
layer.setCollision([1, 2, 3]);

// By range (inclusive)
layer.setCollisionBetween(1, 50);

// By tile property (set in Tiled's tileset editor)
layer.setCollisionByProperty({ collides: true });
// Supports arrays: { type: ['stone', 'lava'] }

// By exclusion - collide on ALL tiles except these
layer.setCollisionByExclusion([-1, 0]);  // -1 is empty, 0 is often background

// From Tiled collision editor shapes
layer.setCollisionFromCollisionGroup();

map.setLayer('Ground');
map.setCollision([1, 2, 3]);  // Applies to current layer
// Or specify a layer explicitly:
map.setCollision([1, 2, 3], true, true, 'Ground');

// Enable collisions between a sprite and a tilemap layer
this.physics.add.collider(player, groundLayer);

// With a callback
this.physics.add.collider(player, groundLayer, (sprite, tile) => {
    if (tile.index === 5) {
        // Hit a special tile
    }
});

// Overlap detection instead of collision
this.physics.add.overlap(player, groundLayer, (sprite, tile) => {
    // Player is overlapping this tile
});

// Access tile properties
const tile = layer.getTileAt(10, 5);
console.log(tile.properties.damage);    // Custom property from Tiled
console.log(tile.properties.type);      // Custom property from Tiled

// Set collision based on custom properties
layer.setCollisionByProperty({ collides: true });
layer.setCollisionByProperty({ type: ['wall', 'rock'] });

// Callback by tile index - fires when physics body overlaps these tiles
map.setTileIndexCallback([5, 6, 7], (sprite, tile) => {
    // Called for tiles with index 5, 6, or 7
    console.log('Hit tile', tile.index, 'at', tile.x, tile.y);
}, this);

// Callback by tile location - fires for tiles in a rectangular area
map.setTileLocationCallback(10, 10, 5, 5, (sprite, tile) => {
    // Called for any tile in the 5x5 region starting at (10, 10)
}, this);

// Per-tile callback
const tile = layer.getTileAt(10, 5);
tile.collisionCallback = (sprite, tile) => {
    // Custom logic for this specific tile
};

const tile = layer.getTileAt(10, 5);               // By tile coords (or null)
const tile = layer.getTileAt(10, 5, true);          // nonNull: Tile with index -1 instead of null
const tile = layer.getTileAtWorldXY(worldX, worldY); // By world coords
const exists = layer.hasTileAt(10, 5);              // Boolean check

// Region queries
const tiles = layer.getTilesWithin(0, 0, 10, 10);            // Tile coord region
const tiles = layer.getTilesWithinWorldXY(x, y, w, h);       // World coord region
const tiles = layer.getTilesWithinShape(circle);              // Shape overlap

// Functional queries
const water = layer.filterTiles(t => t.properties.type === 'water');
const spawn = layer.findTile(t => t.properties.isSpawn);
layer.forEachTile(t => { /* iterate all tiles */ });

layer.putTileAt(5, 10, 10);                      // Place tile index 5 at (10, 10)
layer.putTileAtWorldXY(5, worldX, worldY);        // Place by world coords
layer.putTilesAt([[1, 2], [3, 4]], 10, 10);       // Place a 2x2 grid
layer.removeTileAt(10, 10);                       // Remove tile
layer.fill(1, 0, 0, 10, 10);                     // Fill 10x10 region with index 1
layer.replaceByIndex(5, 10);                      // Replace all index-5 with index-10
layer.copy(0, 0, 5, 5, 20, 20);                  // Copy 5x5 from (0,0) to (20,20)
layer.randomize(0, 0, 10, 10, [1, 2, 3, 4]);     // Random tiles in region
layer.weightedRandomize([{ index: 1, weight: 4 }, { index: 2, weight: 1 }], 0, 0, 10, 10);
layer.shuffle(0, 0, 10, 10);                     // Shuffle tiles in region

const tileXY = layer.worldToTileXY(worldX, worldY);   // World -> tile coords
const worldXY = layer.tileToWorldXY(tileX, tileY);    // Tile -> world coords

// Reuse a vector to avoid allocation
const vec = new Phaser.Math.Vector2();
layer.worldToTileXY(worldX, worldY, true, vec);  // snapToFloor = true

// Create sprites from all objects on the 'Enemies' object layer
const enemies = map.createFromObjects('Enemies', {
    gid: 26,          // Match by tile GID
    classType: Enemy   // Custom class extending Sprite
});

// Match by name
const coins = map.createFromObjects('Items', {
    name: 'coin',
    key: 'coin-texture',
    frame: 0
});

// Match by type
const spawns = map.createFromObjects('Spawns', {
    type: 'player-spawn'
});

// Access raw object layer data
const objectLayer = map.getObjectLayer('Enemies');
objectLayer.objects.forEach(obj => {
    console.log(obj.name, obj.x, obj.y, obj.properties);
});

// Isometric map
const map = this.add.tilemap('iso-map');
const tileset = map.addTilesetImage('iso-tiles', 'iso-img');
const layer = map.createLayer('Ground', tileset);

// Get tile at world coords in isometric space
const tile = layer.getIsoTileAtWorldXY(worldX, worldY);

// TilemapGPULayer does NOT support iso/hex/staggered - use TilemapLayer