// Preload Scene - Nalaganje assetov
class PreloadScene extends Phaser.Scene {
    constructor() {
        super({ key: 'PreloadScene' });
    }

    preload() {
        console.log('⏳ PreloadScene: Loading assets...');

        this.createLoadingBar();

        // Load ALL custom sprites
        this.load.image('player_sprite', 'assets/player_sprite.png');
        this.load.image('zombie_sprite', 'assets/zombie_sprite.png');
        this.load.image('merchant_sprite', 'assets/merchant_sprite.png');
        this.load.image('house_sprite', 'assets/house_sprite.png');
        this.load.image('stone_sprite', 'assets/stone_sprite.png');
        this.load.image('tree_sprite', 'assets/tree_sprite.png');
        this.load.image('grass_sprite', 'assets/grass_sprite.png');
        this.load.image('grass_tile', 'assets/grass_tile.png');
        this.load.image('leaf_sprite', 'assets/leaf_sprite.png');
        this.load.image('wheat_sprite', 'assets/wheat_sprite.png');
        this.load.image('stone_texture', 'assets/stone_texture.png');

        // 💧 WEATHER EFFECTS
        this.load.image('luza_sprite', 'assets/sprites/luza.png'); // Puddle sprite

        // 🎨 2D TILESET IMAGES (Stardew Valley Style)
        this.load.image('tileset_grass', 'assets/tilesets/grass.png');
        this.load.image('tileset_water', 'assets/tilesets/water.png');
        this.load.image('tileset_dirt', 'assets/tilesets/dirt.png');
        this.load.image('tileset_decorations', 'assets/tilesets/decorations.png');

        // 🗺️ TILED MAP (JSON export from Tiled Editor)
        this.load.tilemapTiledJSON('farm_map', 'assets/maps/farm_map.json');
        this.load.tilemapTiledJSON('micro_farm_128x128', 'assets/maps/micro_farm_128x128.json'); // 🌾 Testna farma
        this.load.image('grass_tileset_img', 'assets/tilesets/grass.png');
        this.load.image('water_tileset_img', 'assets/tilesets/water.png');
        this.load.image('decorations_tileset_img', 'assets/tilesets/decorations.png');

        // New asset packs
        this.load.image('objects_pack', 'assets/objects_pack.png');
        this.load.image('walls_pack', 'assets/walls_pack.png');
        this.load.image('ground_tiles', 'assets/ground_tiles.png');
        this.load.image('objects_pack2', 'assets/objects_pack2.png');
        this.load.image('trees_vegetation', 'assets/trees_vegetation.png');

        // User-uploaded pixel art assets (original)
        this.load.image('flowers', 'assets/flowers.png');
        this.load.image('tree_green', 'assets/tree_green.png');
        this.load.image('tree_blue', 'assets/tree_blue.png');
        this.load.image('tree_dead', 'assets/tree_dead.png');
        this.load.image('rock_asset', 'assets/rock_asset.png');

        // FINAL TREES (User Uploaded)
        this.load.image('tree_green_final', 'assets/tree_green_final.png');
        this.load.image('tree_blue_final', 'assets/tree_blue_final.png');
        this.load.image('tree_dead_final', 'assets/tree_dead_final.png');

        // 🌳 TREE VARIETY SPRITES (GREEN SCREEN!)
        this.load.image('tree_cherry', 'assets/sprites/tree_cherry.png');
        this.load.image('tree_oak', 'assets/sprites/tree_oak.png');
        this.load.image('tree_pine', 'assets/sprites/tree_pine.png');
        this.load.image('tree_dead', 'assets/sprites/tree_dead.png');
        this.load.image('tree_apple', 'assets/sprites/tree_apple.png');

        // STARDEW VALLEY FOREST TREES (NEW!)
        this.load.image('tree_purple', 'assets/tree_purple.png');
        this.load.image('tree_apple', 'assets/tree_apple.png');
        this.load.image('tree_pear', 'assets/tree_pear.png');
        this.load.image('tree_cherry', 'assets/tree_cherry.png');
        this.load.image('tree_sapling', 'assets/tree_green_final.png'); // Reuse green as sapling

        // NEW transparent tree/rock assets
        this.load.image('tree_blue_new', 'assets/tree_blue_new.png'); // Keep for backup

        this.load.image('tree_green_new', 'assets/tree_green_new.png');
        this.load.image('rock_1', 'assets/rock_1.png');
        this.load.image('rock_2', 'assets/rock_2.png');
        this.load.image('rock_small', 'assets/rock_small.png');
        this.load.image('tree_dead_new', 'assets/tree_dead_new.png');
        this.load.image('flowers_new', 'assets/flowers_new.png');
        this.load.image('merchant_new', 'assets/merchant_new.png');
        this.load.image('elite_zombie', 'assets/elite_zombie.png');

        // Fence old for abandoned houses
        this.load.image('fence_old', 'assets/fence_isometric.png'); // Reuse fence for old houses

        // AI-Generated NPC Sprites (with cache-busting)
        const cacheBust = Date.now();
        this.load.image('cow', `assets/cow.png?v=${cacheBust}`);
        this.load.image('chicken', `assets/chicken.png?v=${cacheBust}`);
        this.load.image('troll', `assets/troll.png?v=${cacheBust}`);
        this.load.image('elf', `assets/elf.png?v=${cacheBust}`);
        this.load.image('villager', `assets/villager.png?v=${cacheBust}`);
        this.load.image('cow_mutant', `assets/cow_mutant.png?v=${cacheBust}`);

        this.load.image('hill_sprite', 'assets/hill_sprite.png');
        this.load.image('fence', 'assets/fence.png');
        this.load.image('gravestone', 'assets/gravestone.png');

        // City content assets
        this.load.image('chest', 'assets/chest.png');
        this.load.image('spawner', 'assets/spawner.png');
        this.load.image('signpost_city', 'assets/signpost_city.png');
        this.load.image('signpost_farm', 'assets/signpost_farm.png');
        this.load.image('signpost_both', 'assets/signpost_both.png');
        this.load.image('city_wall', 'assets/city_wall.png');
        this.load.image('road_tile', 'assets/road_tile.png');
        this.load.image('farm_zone', 'assets/farm_zone.png');
        this.load.image('fence_full', 'assets/fence_full.png');
        this.load.image('wall_damaged', 'assets/wall_damaged.png');


        // Voxel stil asset-i (2.5D)
        this.load.image('tree_voxel_green', 'assets/tree_voxel_green.png');
        this.load.image('tree_voxel_blue', 'assets/tree_voxel_blue.png');
        this.load.image('tree_voxel_dead', 'assets/tree_voxel_dead.png');
        this.load.image('rock_voxel', 'assets/rock_voxel.png');

        // NEW ISOMETRIC 2.5D ASSETS (Stardew Valley style)
        // Buildings & Structures
        this.load.image('barn_isometric', 'assets/barn_isometric.png');
        this.load.image('farmhouse_isometric', 'assets/farmhouse_isometric.png');
        this.load.image('fence_isometric', 'assets/fence_isometric.png');
        this.load.image('bridge_isometric', 'assets/bridge_isometric.png');
        this.load.image('blacksmith_workshop', 'assets/blacksmith_workshop.png');
        this.load.image('ruins_building', 'assets/ruins_building.png');

        // Farm & Crops
        this.load.image('soil_tilled', 'assets/soil_tilled.png');
        this.load.image('carrots_stages', 'assets/carrots_stages.png');
        this.load.image('flowers_pink_isometric', 'assets/flowers_pink_isometric.png');

        // Characters - SPRITESHEETS (6 frames @ 64x64 each)
        this.load.spritesheet('player_dreadlocks', 'assets/player_dreadlocks.png', {
            frameWidth: 64,
            frameHeight: 64
        });
        this.load.spritesheet('zombie_worker', 'assets/zombie_worker.png', {
            frameWidth: 64,
            frameHeight: 64
        });
        this.load.image('grave_zombie', 'assets/grave_zombie.png');

        // Fence pieces (separate parts)
        this.load.image('fence_post', 'assets/fence_post.png');
        this.load.image('fence_horizontal', 'assets/fence_horizontal.png');
        this.load.image('fence_vertical', 'assets/fence_vertical.png');
        this.load.image('fence_corner', 'assets/fence_corner.png');

        // Water frames are generated procedurally in TerrainSystem.createWaterFrames()
        // No need to load external files

        // Wait for load completion then process transparency
        this.load.once('complete', () => {
            // NOTE: Do NOT process spritesheets - they already have proper alpha!
            // Processing destroys frame definitions

            // 🚫 DISABLED - Tree sprites already have transparency!
            // this.processAllTransparency();

            this.createAnimations();
        });

        // New Processed Animations (Standardized 64x64 strips)
        // NOTE: zombie_walk_strip.png is missing - commented out for now
        // this.load.spritesheet('zombie_walk', 'assets/sprites/zombie_walk_strip.png', { frameWidth: 64, frameHeight: 64 });

        // KRVAVA ŽETEV - CLEAN Player Sprite (100% Clean Transparency - No Checkerboard!)
        this.load.spritesheet('player_protagonist', 'assets/sprites/player_walking_clean.png', {
            frameWidth: 256,  // 256x256 per frame, 4x4 grid = 16 frames (1024x1024 total)
            frameHeight: 256
        });

        // ═══════════════════════════════════════════════════════════════
        // 🎮 KRVAVA ŽETEV - 2D ASSET LIBRARY (122+ Sprite Sheets)
        // ═══════════════════════════════════════════════════════════════

        const kzPath = 'assets/sprites/krvava_zetev/';

        // ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
        // 🎭 CHARACTERS & NPCs (5 sheets)
        // ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
        this.load.spritesheet('kai_player', kzPath + 'kai_player_character_1766065727803.png', { frameWidth: 192, frameHeight: 192 });
        this.load.spritesheet('player_char_sheet', kzPath + 'player_character_sheet_1766064600305.png', { frameWidth: 192, frameHeight: 192 });
        this.load.image('ivan_blacksmith', kzPath + 'ivan_blacksmith_npc_1766065771497.png');
        this.load.image('post_apoc_npcs', kzPath + 'post_apocalyptic_npcs_1766070148258.png');
        this.load.image('npcs_complete', kzPath + 'npcs_complete_pack_1766068946290.png');

        // ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
        // 🧟 ENEMIES (6 sheets)
        // ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
        this.load.spritesheet('zombie_sheet', kzPath + 'zombie_sprite_sheet_1766064394510.png', { frameWidth: 192, frameHeight: 192 });
        this.load.image('zombie_dreadlocks', kzPath + 'zombie_dreadlocks_variants_1766066165782.png');
        this.load.image('zombie_workers', kzPath + 'zombie_workers_pack_1766065800851.png');
        this.load.spritesheet('mutated_animals', kzPath + 'mutated_animals_sheet_1766064623683.png', { frameWidth: 192, frameHeight: 192 });
        this.load.image('mutant_animals_pack', kzPath + 'mutant_animals_pack_1766066209780.png');
        this.load.image('mutant_animals_detailed', kzPath + 'mutant_animals_detailed_1766067041989.png');

        // ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
        // 👑 BOSSES (5 sheets)
        // ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
        this.load.image('giant_troll_king', kzPath + 'giant_troll_king_boss_1766068374658.png');
        this.load.image('biome_mini_bosses', kzPath + 'biome_mini_bosses_1766070984545.png');
        this.load.image('zmaj_volk', kzPath + 'zmaj_volk_boss_1766066495366.png');
        this.load.image('mesojedke_boss', kzPath + 'mesojedke_carnivorous_plant_1766066436640.png');
        this.load.image('grok_pink_troll', kzPath + 'grok_pink_troll_1766065746545.png');
        this.load.image('werewolf_moon', kzPath + 'werewolf_full_moon_1766073073376.png');
        this.load.image('slime_creatures', kzPath + 'living_slime_creatures_1766073182543.png');

        // ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
        // 🐾 ANIMALS & BREEDING (12 sheets)
        // ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
        this.load.image('farm_animals_normal', kzPath + 'farm_animals_normal_1766066190391.png');
        this.load.image('farm_animals_detailed', kzPath + 'farm_animals_detailed_1766067022131.png');
        this.load.image('horse_mutant', kzPath + 'horse_normal_mutant_1766073366348.png');
        this.load.image('donkey_mutant', kzPath + 'donkey_normal_mutant_1766071249868.png');
        this.load.image('animal_products_normal', kzPath + 'normal_animal_products_1766071178367.png');
        this.load.image('animal_products_mutant', kzPath + 'mutant_animal_products_1766071198311.png');
        this.load.image('animal_leather', kzPath + 'animal_leather_hides_1766070586511.png');
        this.load.image('family_breeding', kzPath + 'family_breeding_system_1766071018028.png');
        this.load.image('barn_upgrades', kzPath + 'barn_animal_upgrades_1766072833595.png');
        this.load.image('barn_interior', kzPath + 'barn_interior_animal_equipment_1766072872793.png');
        this.load.image('animal_cart', kzPath + 'cart_wagon_for_animals_1766073384725.png');
        this.load.image('pets_pack', kzPath + 'pets_dogs_cats_1766071860328.png');

        // ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
        // 🌾 FARMING & CROPS (11 sheets)
        // ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
        this.load.image('crops_wheat', kzPath + 'crops_growth_wheat_1766066413428.png');
        this.load.image('crop_growth_complete', kzPath + 'crop_growth_complete_1766068995006.png');
        this.load.image('vegetables_pack', kzPath + 'vegetables_complete_pack_1766067077148.png');
        this.load.image('fruit_trees', kzPath + 'fruit_trees_orchard_1766068356045.png');
        this.load.image('fruit_harvest', kzPath + 'fruit_harvest_complete_1766071215317.png');
        this.load.image('seasonal_vegetables', kzPath + 'seasonal_vegetables_fruits_1766071841553.png');
        this.load.image('tree_growth_oak', kzPath + 'tree_growth_stages_oak_1766070908808.png');
        this.load.image('tree_growth_pine', kzPath + 'tree_growth_stages_pine_1766070925919.png');
        this.load.image('tree_growth_cherry', kzPath + 'tree_growth_cherry_apple_1766070945320.png');
        this.load.image('tree_sequoia', kzPath + 'giant_sequoia_birch_trees_1766070788774.png');
        this.load.image('dead_trees_env', kzPath + 'dead_trees_environment_1766073156776.png');

        // ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
        // 🏗️ BUILDINGS & STRUCTURES (12 sheets)
        // ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
        this.load.image('buildings_farm', kzPath + 'buildings_farm_pack_1766066242813.png');
        this.load.image('starter_base', kzPath + 'starter_base_8x8_camp_1766072423427.png');
        this.load.image('house_evolution', kzPath + 'house_upgrade_evolution_1766072774644.png');
        this.load.image('storage_shed', kzPath + 'storage_shed_upgrades_1766072857060.png');
        this.load.image('greenhouse', kzPath + 'greenhouse_building_upgrades_1766073093564.png');
        this.load.image('laboratory_stages', kzPath + 'laboratory_building_stages_1766069500282.png');
        this.load.image('city_ruins', kzPath + 'city_ruins_buildings_1766066780026.png');
        this.load.image('modern_ruins', kzPath + 'modern_city_ruins_1766069578337.png');
        this.load.image('ruined_stages', kzPath + 'ruined_buildings_stages_1766066761616.png');
        this.load.image('city_repairable', kzPath + 'city_buildings_repairable_1766071779601.png');
        this.load.image('train_tracks', kzPath + 'train_tracks_stations_1766071758399.png');
        this.load.image('train_repair', kzPath + 'train_repair_progression_1766071926437.png');

        // ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
        // 🪑 FURNITURE & DECORATION (7 sheets)
        // ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
        this.load.image('furniture_bedroom', kzPath + 'house_furniture_bedroom_1766072449664.png');
        this.load.image('furniture_kitchen', kzPath + 'house_furniture_kitchen_1766072472152.png');
        this.load.image('furniture_living', kzPath + 'house_furniture_living_room_1766072513175.png');
        this.load.image('furniture_bathroom', kzPath + 'house_bathroom_furniture_1766072754842.png');
        this.load.image('decor_home', kzPath + 'decorative_home_items_1766072795081.png');
        this.load.image('env_objects', kzPath + 'environment_objects_pack_1766069032362.png');
        this.load.image('decor_structures', kzPath + 'decorative_structures_1766069053824.png');

        // ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
        // ⚔️ WEAPONS & GEAR (7 sheets)
        // ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
        this.load.image('weapons_post_apoc', kzPath + 'post_apocalyptic_weapons_1766069416315.png');
        this.load.image('weapons_armor', kzPath + 'weapons_armor_pack_1766069155211.png');
        this.load.image('firearms_explosives', kzPath + 'firearms_explosives_pack_1766069436487.png');
        this.load.image('bows_arrows', kzPath + 'bows_arrows_complete_1766073227794.png');
        this.load.image('arrow_types', kzPath + 'arrow_types_pack_1766073244728.png');
        this.load.image('tactical_gear', kzPath + 'survivor_tactical_gear_1766069460218.png');
        this.load.image('seasonal_outfits', kzPath + 'seasonal_outfits_complete_1766070830069.png');

        // ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
        // 🔨 CRAFTING & LAB (10 sheets)
        // ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
        this.load.image('tools_equipment', kzPath + 'tools_equipment_pack_1766066475891.png');
        this.load.image('crafting_stations', kzPath + 'crafting_stations_pack_1766069898755.png');
        this.load.image('crafting_items', kzPath + 'crafting_items_pack_1766069112728.png');
        this.load.image('lab_equipment', kzPath + 'lab_equipment_pack_1766069518690.png');
        this.load.image('lab_interior', kzPath + 'lab_interior_objects_1766069541320.png');
        this.load.image('medical_supplies', kzPath + 'medical_supplies_pack_1766069597213.png');
        this.load.image('blueprints_craft', kzPath + 'blueprints_crafting_recipes_1766072675634.png');
        this.load.image('cooking_recipes', kzPath + 'cooking_recipe_books_1766072694259.png');
        this.load.image('blueprint_legendary', kzPath + 'rare_blueprint_legendary_1766072713573.png');
        this.load.image('crafting_ui', kzPath + 'crafting_recipe_ui_materials_1766073405852.png');

        // ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
        // 🎣 FISHING & WATER (4 sheets)
        // ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
        this.load.image('fishing_complete', kzPath + 'fishing_complete_pack_1766069878292.png');
        this.load.image('ocean_creatures', kzPath + 'ocean_creatures_pack_1766073054275.png');
        this.load.image('ocean_tiles', kzPath + 'ocean_water_seamless_tiles_1766071402915.png');
        this.load.image('water_sports', kzPath + 'water_sports_sup_kayak_1766073138452.png');

        // ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
        // 🚗 TRANSPORTATION (4 sheets)
        // ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
        this.load.image('vehicles_bike', kzPath + 'vehicles_bicycle_motorcycle_1766071374475.png');
        this.load.image('board_sports', kzPath + 'board_sports_pack_1766071508539.png');
        this.load.image('mailbox_scooter', kzPath + 'mailbox_scooter_systems_1766070513032.png');
        this.load.image('nomad_shops', kzPath + 'nomad_shops_progression_1766071801095.png');

        // ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
        // 🗺️ TERRAIN & BIOMES (5 sheets)
        // ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
        this.load.image('terrain_tiles', kzPath + 'terrain_tiles_pack_1766068970891.png');
        this.load.image('biome_terrain', kzPath + 'biome_terrain_tiles_1766069962802.png');
        this.load.image('weather_sky', kzPath + 'weather_sky_elements_1766069071451.png');
        this.load.image('grave_chest', kzPath + 'grave_chest_objects_1766066512161.png');
        this.load.image('bats_owls', kzPath + 'bats_owls_creatures_1766067001516.png');

        // ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
        // 💰 RESOURCES & ECONOMY (6 sheets)
        // ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
        this.load.image('ore_minerals', kzPath + 'ore_minerals_complete_1766070531262.png');
        this.load.image('wood_types', kzPath + 'wood_types_planks_1766070547924.png');
        this.load.image('currency_pack', kzPath + 'currency_collectibles_pack_1766069943087.png');
        this.load.image('food_potions', kzPath + 'food_potions_pack_1766069131615.png');
        this.load.image('scavenged_loot', kzPath + 'scavenged_loot_pack_1766069631706.png');
        this.load.image('quest_items', kzPath + 'story_quest_critical_items_1766071275359.png');

        // ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
        // 🌍 DLC CONTENT (15+ sheets)
        // ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
        // Atlantis
        this.load.image('dlc_atlantis', kzPath + 'dlc_atlantis_complete_1766070848857.png');
        this.load.image('dlc_atlantis_clothes', kzPath + 'dlc_atlantis_clothing_items_1766072048232.png');

        // Chernobyl
        this.load.image('dlc_chernobyl', kzPath + 'dlc_chernobyl_complete_1766070870835.png');
        this.load.image('dlc_chernobyl_clothes', kzPath + 'dlc_chernobyl_clothing_items_1766072083940.png');

        // Amazon
        this.load.image('dlc_amazon', kzPath + 'dlc_amazon_rainforest_1766068712721.png');
        this.load.image('dlc_amazon_piranhas', kzPath + 'amazon_piranha_pack_1766070770825.png');
        this.load.image('dlc_amazon_clothes', kzPath + 'dlc_amazon_clothing_items_1766072007244.png');

        // Egypt
        this.load.image('dlc_egypt', kzPath + 'dlc_desert_egypt_1766068693534.png');
        this.load.image('dlc_egypt_treasure', kzPath + 'egyptian_treasure_artifacts_1766071349884.png');
        this.load.image('dlc_egypt_clothes', kzPath + 'dlc_egypt_clothing_items_1766072027308.png');

        // Dinosaurs
        this.load.image('dlc_dinosaurs', kzPath + 'dlc_dinosaurs_pack_1766068394027.png');
        this.load.image('dlc_dino_items', kzPath + 'dlc_dino_items_1766070000154.png');
        this.load.image('dlc_dino_clothes', kzPath + 'dlc_dino_clothing_items_1766071950404.png');

        // Mythical
        this.load.image('dlc_mythical', kzPath + 'dlc_mythical_pack_1766068427345.png');
        this.load.image('dlc_mythical_items', kzPath + 'dlc_mythical_items_1766070025287.png');
        this.load.image('dlc_mythical_clothes', kzPath + 'dlc_mythical_clothing_items_1766071971221.png');

        // Bigfoot
        this.load.image('dlc_bigfoot', kzPath + 'dlc_bigfoot_cryptids_1766068445930.png');

        // Loch Ness
        this.load.image('dlc_lochness', kzPath + 'dlc_lochness_pack_1766068477974.png');
        this.load.image('dlc_lochness_clothes', kzPath + 'dlc_lochness_clothing_items_1766072122696.png');

        // Catacombs
        this.load.image('dlc_catacombs', kzPath + 'dlc_catacombs_undead_1766068520361.png');
        this.load.image('dlc_catacombs_clothes', kzPath + 'dlc_catacombs_clothing_items_1766072101330.png');
        this.load.image('catacombs_structures', kzPath + 'catacombs_structures_pack_1766071297104.png');

        // Magic & Wizardry
        this.load.image('dlc_magic', kzPath + 'magic_wizardry_complete_1766071879405.png');

        console.log('🎮 Krvava Žetev: 122+ sprite sheets loaded!');

        // ═══════════════════════════════════════════════════════════════
        // End of Krvava Žetev Asset Library
        // ═══════════════════════════════════════════════════════════════

    }

    createAnimations() {
        if (this.anims.exists('protagonist_walk')) return;

        // Zombie animations
        this.anims.create({
            key: 'zombie_walk_anim',
            frames: this.anims.generateFrameNumbers('zombie_walk', { start: 0, end: 5 }),
            frameRate: 8,
            repeat: -1
        });

        this.anims.create({
            key: 'zombie_worker_walk',
            frames: this.anims.generateFrameNumbers('zombie_worker', { start: 0, end: 5 }),
            frameRate: 8,
            repeat: -1
        });

        // KRVAVA ŽETEV: Protagonist 4-directional walking animations
        // Row 1: DOWN (frames 0-3)
        this.anims.create({
            key: 'protagonist_walk_down',
            frames: this.anims.generateFrameNumbers('player_protagonist', { start: 0, end: 3 }),
            frameRate: 8,
            repeat: -1
        });

        // Row 2: LEFT (frames 4-7)
        this.anims.create({
            key: 'protagonist_walk_left',
            frames: this.anims.generateFrameNumbers('player_protagonist', { start: 4, end: 7 }),
            frameRate: 8,
            repeat: -1
        });

        // Row 3: RIGHT (frames 8-11)
        this.anims.create({
            key: 'protagonist_walk_right',
            frames: this.anims.generateFrameNumbers('player_protagonist', { start: 8, end: 11 }),
            frameRate: 8,
            repeat: -1
        });

        // Row 4: UP (frames 12-15)
        this.anims.create({
            key: 'protagonist_walk_up',
            frames: this.anims.generateFrameNumbers('player_protagonist', { start: 12, end: 15 }),
            frameRate: 8,
            repeat: -1
        });

        // IDLE: Use first frame of each direction
        this.anims.create({
            key: 'protagonist_idle_down',
            frames: [{ key: 'player_protagonist', frame: 0 }],
            frameRate: 1
        });

        this.anims.create({
            key: 'protagonist_idle_left',
            frames: [{ key: 'player_protagonist', frame: 4 }],
            frameRate: 1
        });

        this.anims.create({
            key: 'protagonist_idle_right',
            frames: [{ key: 'player_protagonist', frame: 8 }],
            frameRate: 1
        });

        this.anims.create({
            key: 'protagonist_idle_up',
            frames: [{ key: 'player_protagonist', frame: 12 }],
            frameRate: 1
        });

        console.log('🎞️ Animations created!');
    }

    processAllTransparency() {
        // Process ALL sprites to remove backgrounds
        const spritesToProcess = [
            'player_sprite',
            'zombie_sprite',
            'merchant_sprite',
            'house_sprite',
            'stone_sprite',
            'tree_sprite',
            'grass_sprite',
            'leaf_sprite',
            'wheat_sprite',
            'stone_texture',
            // New pixel art assets
            'flowers',
            'tree_green',
            'tree_blue',
            'tree_dead',
            'rock_asset',

            // FINAL TREES
            'tree_green_final',
            'tree_blue_final',
            'tree_dead_final',

            // STARDEW VALLEY FOREST TREES
            'tree_purple',
            'tree_apple',
            'tree_pear',
            'tree_cherry',
            'tree_sapling',

            // NEW transparent assets
            'tree_blue_new',
            'tree_green_new',
            'rock_1',
            'rock_2',
            'rock_small',
            'merchant_new',
            'elite_zombie',
            'tree_dead_new',
            'flowers_new',
            'hill_sprite',
            'fence',
            'fence_old',
            'gravestone',
            // City content
            'chest',
            'spawner',
            'signpost_city',
            'signpost_farm',
            'signpost_both',
            // Voxel stil
            'tree_voxel_green',
            'tree_voxel_blue',
            'tree_voxel_dead',
            'rock_voxel',

            // NEW ISOMETRIC 2.5D ASSETS - Remove transparency
            'barn_isometric',
            'farmhouse_isometric',
            'fence_isometric',
            'bridge_isometric',
            'blacksmith_workshop',
            'ruins_building',
            'soil_tilled',
            'carrots_stages',
            'flowers_pink_isometric',
            // NOTE: player_dreadlocks and zombie_worker are SPRITESHEETS - don't process!
            'grave_zombie',

            // NEW FENCE PIECES
            'fence_post',
            'fence_horizontal',
            'fence_vertical',
            'fence_corner',

            // ANIMALS & NPCs
            'chicken',
            'cow',
            'cow_mutant',
            'elf',
            'troll',
            'villager',
            'npc_merchant',
            'npc_zombie',

            // STRUCTURES
            'structure_house',
            'wall_damaged',
            'city_wall',

            // MISC OBJECTS
            'wheat_sprite',
            'grass_sprite',
            'leaf_sprite',
            'stone_sprite'

            // 🌳 TREES REMOVED - already have transparent PNG!
            // (green removal would delete green leaves!)
        ];

        spritesToProcess.forEach(spriteKey => {
            this.processSpriteTransparency(spriteKey);
        });

        // ULTRA AGGRESSIVE: Fence Post only
        if (this.textures.exists('fence_post')) {
            this.ultraRemoveBackground('fence_post');
        }

        // ULTRA REMOVED - new tree sprites already have transparency!
        // if (this.textures.exists('cesnjevo_drevo')) {
        //     this.ultraRemoveBackground('cesnjevo_drevo');
        // }

        console.log('✅ All sprites transparency processed!');
    }

    processSpriteTransparency(spriteKey) {
        if (!this.textures.exists(spriteKey)) return;

        const texture = this.textures.get(spriteKey);
        const source = texture.getSourceImage();

        // Create canvas to process image
        const canvas = document.createElement('canvas');
        canvas.width = source.width;
        canvas.height = source.height;
        const ctx = canvas.getContext('2d', { willReadFrequently: true });

        // Draw original image
        ctx.drawImage(source, 0, 0);

        // Get image data
        const imageData = ctx.getImageData(0, 0, canvas.width, canvas.height);
        const data = imageData.data;

        // Remove backgrounds - ULTRA AGGRESSIVE MODE!
        for (let i = 0; i < data.length; i += 4) {
            const r = data[i];
            const g = data[i + 1];
            const b = data[i + 2];
            const a = data[i + 3];

            // Skip if already transparent
            if (a === 0) continue;

            const brightness = (r + g + b) / 3;

            // 🟢 GREEN REMOVAL - Only BRIGHT greens!
            // Pink (255,105,180) has g=105 - MUST KEEP!
            // Bright green (0,255,0) has g=255 - REMOVE!
            const isGreen = (
                g > 180 &&  // Only very bright green
                g > r * 1.3 &&  // Green dominates red
                g > b * 1.3     // Green dominates blue
            );
            if (isGreen) {
                data[i + 3] = 0;
                continue;
            }

            // 1. Remove ALL grayscale colors (ANY shade of gray)
            const isGrayscale = Math.abs(r - g) < 20 && Math.abs(g - b) < 20 && Math.abs(r - b) < 20;
            if (isGrayscale && brightness > 80) {
                data[i + 3] = 0; // Make transparent
                continue;
            }

            // 2. Remove ALL light/bright backgrounds (AI-generated sprites)
            if (brightness > 150) {
                data[i + 3] = 0; // Make transparent
                continue;
            }

            // 3. Remove PURE WHITE
            if (r > 240 && g > 240 && b > 240) {
                data[i + 3] = 0;
                continue;
            }

            // 4. Remove OFF-WHITE / CREAM / BEIGE
            if (brightness > 200 && Math.abs(r - g) < 30 && Math.abs(g - b) < 30) {
                data[i + 3] = 0;
                continue;
            }

            // 5. Remove PASTEL colors (low saturation, high brightness)
            const maxRGB = Math.max(r, g, b);
            const minRGB = Math.min(r, g, b);
            const saturation = maxRGB === 0 ? 0 : (maxRGB - minRGB) / maxRGB;

            if (saturation < 0.3 && brightness > 120) {
                data[i + 3] = 0; // Remove low-saturation backgrounds
                continue;
            }

            // Special: Remove brown/tan backgrounds (merchant sprite)
            if (spriteKey === 'merchant_sprite') {
                // Brown detection: R > G > B, warm tones
                const isBrown = r > 100 && r > g && g > b && (r - b) > 40;
                if (isBrown) {
                    data[i + 3] = 0;
                }
            }
        }

        // Put processed data back
        ctx.putImageData(imageData, 0, 0);

        // Create new texture from processed canvas
        this.textures.remove(spriteKey);
        this.textures.addCanvas(spriteKey, canvas);
    }

    createLoadingBar() {
        const width = this.cameras.main.width;
        const height = this.cameras.main.height;

        // Warm background (Stardew Valley style)
        const bg = this.add.graphics();
        bg.fillStyle(0x2d1b00, 1);
        bg.fillRect(0, 0, width, height);

        // Simple "LOADING" text
        const title = this.add.text(width / 2, height / 2 - 80, 'LOADING', {
            fontFamily: 'Georgia, serif',
            fontSize: '36px',
            fontStyle: 'bold',
            fill: '#f4e4c1',
            stroke: '#2d1b00',
            strokeThickness: 4
        }).setOrigin(0.5);

        // Progress Bar container (wooden style)
        const barWidth = 400;
        const barHeight = 30;
        const barX = width / 2 - barWidth / 2;
        const barY = height / 2;

        const progressBox = this.add.graphics();
        progressBox.fillStyle(0x4a3520, 0.9);
        progressBox.fillRoundedRect(barX, barY, barWidth, barHeight, 5);
        progressBox.lineStyle(3, 0xd4a574, 1);
        progressBox.strokeRoundedRect(barX, barY, barWidth, barHeight, 5);

        const progressBar = this.add.graphics();

        // Zombie sprite walking on the bar
        const zombie = this.add.text(barX, barY + barHeight / 2, '🧟', {
            fontSize: '32px'
        }).setOrigin(0.5);

        // Percentage text
        const percentText = this.add.text(width / 2, barY + barHeight / 2, '0%', {
            font: '16px Georgia',
            fill: '#f4e4c1',
            fontStyle: 'bold'
        }).setOrigin(0.5);

        this.load.on('progress', (value) => {
            percentText.setText(parseInt(value * 100) + '%');
            progressBar.clear();
            progressBar.fillStyle(0x6b4423, 1);

            // Smooth fill
            const w = (barWidth - 10) * value;
            if (w > 0) {
                progressBar.fillRoundedRect(barX + 5, barY + 5, w, barHeight - 10, 2);
            }

            // Move zombie along the bar (moderate speed)
            const zombieX = barX + (barWidth * value);
            zombie.setX(zombieX);

            // Gentle bounce animation
            const bounce = Math.sin(value * 20) * 3;
            zombie.setY(barY + barHeight / 2 + bounce);
        });

        this.load.on('complete', () => {
            // Fade out animation
            this.tweens.add({
                targets: [progressBar, progressBox, percentText, title, zombie, bg],
                alpha: 0,
                duration: 800,
                onComplete: () => {
                    progressBar.destroy();
                    progressBox.destroy();
                    percentText.destroy();
                    title.destroy();
                    zombie.destroy();
                    bg.destroy();
                }
            });
        });
    }

    create() {
        console.log('✅ PreloadScene: Assets loaded!');
        window.gameState.currentScene = 'PreloadScene';

        // 🗺️ ZAČASNO: Gre naravnost v TiledTestScene za testiranje
        // Ko končaš testiranje, spremeni nazaj v 'StoryScene'
        this.time.delayedCall(500, () => {
            console.log('🗺️ Starting TiledTestScene (TESTING MODE)...');
            this.scene.start('TiledTestScene'); // ← ZAČASNO ZA TEST
            // this.scene.start('StoryScene'); // ← NORMALNO
        });
    }

    processPlayerSpritesheet() {
        const spriteKey = 'player_protagonist';

        if (!this.textures.exists(spriteKey)) {
            console.warn('⚠️ Player protagonist texture not found!');
            return;
        }

        console.log('🎨 Processing player spritesheet transparency...');

        const texture = this.textures.get(spriteKey);
        const source = texture.getSourceImage();

        const canvas = document.createElement('canvas');
        canvas.width = source.width;
        canvas.height = source.height;
        const ctx = canvas.getContext('2d', { willReadFrequently: true });

        ctx.drawImage(source, 0, 0);
        const imageData = ctx.getImageData(0, 0, canvas.width, canvas.height);
        const data = imageData.data;

        // ULTRA AGGRESSIVE: Remove ALL checkerboard patterns and gray backgrounds
        for (let i = 0; i < data.length; i += 4) {
            const r = data[i];
            const g = data[i + 1];
            const b = data[i + 2];
            const a = data[i + 3];

            // Skip if already transparent
            if (a === 0) continue;

            // 1. Remove PERFECT GRAY (checkerboard pattern: RGB 204,204,204 and 153,153,153)
            if (r === g && g === b) {
                if (r === 204 || r === 153 || r === 192 || r === 128 || (r >= 180 && r <= 210)) {
                    data[i + 3] = 0;
                    continue;
                }
            }

            // 2. Remove ANY grayscale (R≈G≈B within 15 units)
            const isGrayscale = Math.abs(r - g) < 15 && Math.abs(g - b) < 15 && Math.abs(r - b) < 15;
            const brightness = (r + g + b) / 3;

            if (isGrayscale && brightness > 100) {
                data[i + 3] = 0;
                continue;
            }

            // 3. Remove LIGHT backgrounds (brightness > 150)
            if (brightness > 150) {
                data[i + 3] = 0;
                continue;
            }

            // 4. Keep ONLY colored pixels (character skin, clothing, hair)
            // Character has: blue hoodie, brown pants, brown skin
            const maxChannel = Math.max(r, g, b);
            const minChannel = Math.min(r, g, b);
            const saturation = maxChannel === 0 ? 0 : (maxChannel - minChannel) / maxChannel;

            // If low saturation AND bright = background
            if (saturation < 0.15 && brightness > 80) {
                data[i + 3] = 0;
                continue;
            }
        }

        ctx.putImageData(imageData, 0, 0);

        // Replace texture
        this.textures.remove(spriteKey);
        this.textures.addCanvas(spriteKey, canvas);

        console.log('✅ Player spritesheet transparency processed!');
    }

    ultraRemoveBackground(spriteKey) {
        if (!this.textures.exists(spriteKey)) return;

        const texture = this.textures.get(spriteKey);
        const source = texture.getSourceImage();

        const canvas = document.createElement('canvas');
        canvas.width = source.width;
        canvas.height = source.height;
        const ctx = canvas.getContext('2d', { willReadFrequently: true });

        ctx.drawImage(source, 0, 0);
        const imageData = ctx.getImageData(0, 0, canvas.width, canvas.height);
        const data = imageData.data;

        // Different logic for different sprites
        if (spriteKey === 'cesnjevo_drevo') {
            // CHERRY BLOSSOM: Keep only PINK (flowers) and BROWN (trunk)
            for (let i = 0; i < data.length; i += 4) {
                const r = data[i];
                const g = data[i + 1];
                const b = data[i + 2];

                // Pink detection: R > G, R > B, pinkish tones
                const isPink = r > 100 && r > g && r > b && (r - g) > 30;

                // Brown detection: R > G > B, warm earthy tones
                const isBrown = r > g && g > b && r > 80 && r < 200;

                // Keep pink OR brown, remove everything else
                if (!isPink && !isBrown) {
                    data[i + 3] = 0; // Make transparent
                }
            }
        } else {
            // FALLBACK: Fence post logic (keep only brown)
            for (let i = 0; i < data.length; i += 4) {
                const r = data[i];
                const g = data[i + 1];
                const b = data[i + 2];

                // Keep only brown/wood colors: R > G > B and R is dominant
                const isBrown = r > g && g > b && r > 80 && r < 200;

                if (!isBrown) {
                    data[i + 3] = 0; // Make transparent
                }
            }
        }

        ctx.putImageData(imageData, 0, 0);

        // Remove old texture and create new one from canvas
        this.textures.remove(spriteKey);
        this.textures.addCanvas(spriteKey, canvas);

        console.log(`🔥 ULTRA removed background from ${spriteKey}`);
    }
}