<?php

/*
 * Cactus from BetterGen
 * Copyright (C) Ad5001 2017
 * Licensed under the BoxOfDevs Public General LICENSE which can be found in the file LICENSE in the root directory
 * @author ad5001
 */

namespace Ad5001\BetterGen\structure;

use pocketmine\block\Block;
use pocketmine\level\ChunkManager;
use pocketmine\utils\Random;
use pocketmine\level\generator\object\Object;

class Igloo extends Object {
	public $overridable = [ 
			Block::AIR => true,
			6 => true,
			17 => true,
			18 => true,
			Block::DANDELION => true,
			Block::POPPY => true,
			Block::SNOW_LAYER => true,
			Block::LOG2 => true,
			Block::LEAVES2 => true 
	];
	protected $direction;
	
	/*
	 * Checks if an igloo is placeable
	 * @param $level pocketmine\level\ChunkManager
	 * @param $x int
	 * @param $y int
	 * @param $z int
	 * @param $random pocketmine\utils\Random
	 * @return bool
	 */
	public function canPlaceObject(ChunkManager $level, $x, $y, $z, Random $random) {
		$this->direction = $random->nextBoundedInt ( 4 );
		switch ($this->direction) {
			case 0 : // Entrance is x+
				for($xx = $x - 3; $xx <= $x + 4; $xx ++)
					for($yy = $y + 1; $yy <= $y + 4; $yy ++)
						for($zz = $z - 3; $zz <= $z + 3; $zz ++)
							if (! isset ( $this->overridable [$level->getBlockIdAt ( $xx, $yy, $zz )] ))
								return false;
				break;
			case 1 : // Entrance is x-
				for($xx = $x - 4; $xx <= $x + 3; $xx ++)
					for($yy = $y + 1; $yy <= $y + 4; $yy ++)
						for($zz = $z - 3; $zz <= $z + 3; $zz ++)
							if (! isset ( $this->overridable [$level->getBlockIdAt ( $xx, $yy, $zz )] ))
								return false;
				break;
			case 2 : // Entrence is z+
				for($xx = $x - 3; $xx <= $x + 3; $xx ++)
					for($yy = $y + 1; $yy <= $y + 4; $yy ++)
						for($zz = $z - 3; $zz <= $z + 4; $zz ++)
							if (! isset ( $this->overridable [$level->getBlockIdAt ( $xx, $yy, $zz )] ))
								return false;
				break;
			case 3 : // Entrance is z-
				for($xx = $x - 3; $xx <= $x + 3; $xx ++)
					for($yy = $y + 1; $yy <= $y + 4; $yy ++)
						for($zz = $z - 4; $zz <= $z + 3; $zz ++)
							if (! isset ( $this->overridable [$level->getBlockIdAt ( $xx, $yy, $zz )] ))
								return false;
				break;
		}
		return true;
	}
	
	/*
	 * Places an igloo
	 * @param $level pocketmine\level\ChunkManager
	 * @param $x int
	 * @param $y int
	 * @param $z int
	 * @param $random pocketmine\utils\Random
	 */
	public function placeObject(ChunkManager $level, $x, $y, $z, Random $random) {
		if (! isset ( $this->direction ) && ! $this->canPlaceObject ( $level, $x, $y, $z, $random ))
			return false;
		switch ($this->direction) {
			case 0 : // Entrance is x+
			        // Ground
				for($xx = $x - 3; $xx <= $x + 4; $xx ++)
					for($zz = $z - 3; $zz <= $z + 3; $zz ++)
						if (! isset ( $this->overridable [$level->getBlockIdAt ( $xx, $y, $zz )] ))
							$level->setBlockIdAt ( $xx, $y, $zz, Block::SNOW_BLOCK );
				// Entrance
				for($i = 0; $i < 2; $i ++) {
					$level->setBlockIdAt ( $x + 3 + $i, $y, $z, Block::SNOW_BLOCK );
					$level->setBlockIdAt ( $x + 3 + $i, $y + 3, $z, Block::SNOW_BLOCK );
					$level->setBlockIdAt ( $x + 3 + $i, $y + 1, $z + 1, Block::SNOW_BLOCK );
					$level->setBlockIdAt ( $x + 3 + $i, $y + 1, $z - 1, Block::SNOW_BLOCK );
					$level->setBlockIdAt ( $x + 3 + $i, $y + 2, $z + 1, Block::SNOW_BLOCK );
					$level->setBlockIdAt ( $x + 3 + $i, $y + 2, $z - 1, Block::SNOW_BLOCK );
				}
				
				// Back
				for($zz = $z - 1; $zz <= $z + 1; $zz ++) {
					$level->setBlockIdAt ( $x - 3, $y + 1, $zz, Block::SNOW_BLOCK );
					$level->setBlockIdAt ( $x - 3, $y + 2, $zz, Block::SNOW_BLOCK );
				}
				
				// Sides
				for($xx = $x - 1; $xx <= $x + 1; $xx ++) {
					$level->setBlockIdAt ( $xx, $y + 1, $z - 3, Block::SNOW_BLOCK );
					$level->setBlockIdAt ( $xx, $y + 2, $z - 3, Block::SNOW_BLOCK );
					$level->setBlockIdAt ( $xx, $y + 1, $z + 3, Block::SNOW_BLOCK );
					$level->setBlockIdAt ( $xx, $y + 2, $z + 3, Block::SNOW_BLOCK );
				}
				$level->setBlockIdAt ( $x, $y + 1, $z + 3, Block::ICE );
				$level->setBlockIdAt ( $x, $y + 1, $z - 3, Block::ICE );
				
				// Diags
				for($i = 1; $i <= 2; $i ++) {
					$level->setBlockIdAt ( $x + 2, $y + $i, $z + 2, Block::SNOW_BLOCK );
					$level->setBlockIdAt ( $x - 2, $y + $i, $z + 2, Block::SNOW_BLOCK );
					$level->setBlockIdAt ( $x - 2, $y + $i, $z - 2, Block::SNOW_BLOCK );
					$level->setBlockIdAt ( $x + 2, $y + $i, $z - 2, Block::SNOW_BLOCK );
				}
				
				// 2nd layer
				for($i = 0; $i < 3; $i ++) {
					$level->setBlockIdAt ( $x - 1 + $i, $y + 3, $z + 2, Block::SNOW_BLOCK );
					$level->setBlockIdAt ( $x - 1 + $i, $y + 3, $z - 2, Block::SNOW_BLOCK );
					$level->setBlockIdAt ( $x + 2, $y + 3, $z - 1 + $i, Block::SNOW_BLOCK );
					$level->setBlockIdAt ( $x - 2, $y + 3, $z - 1 + $i, Block::SNOW_BLOCK );
				}
				
				// Top
				for($xx = $x - 1; $xx <= $x + 1; $xx ++)
					for($zz = $z - 1; $zz <= $z + 1; $zz ++) {
						$level->setBlockIdAt ( $xx, $y + 4, $zz, Block::SNOW_BLOCK );
						$level->setBlockIdAt ( $xx, $y, $zz, Block::SNOW_BLOCK );
					}
				
				// Carpets
				for($xx = $x - 2; $xx <= $x + 1; $xx ++)
					for($zz = $z - 1; $zz <= $z + 1; $zz ++) {
						$level->setBlockIdAt ( $xx, $y + 1, $zz, Block::CARPET );
					}
				
				// Other furnitures
				// Bed
				$level->setBlockIdAt ( $x - 1, $y + 1, $z + 2, Block::BED_BLOCK );
				$level->setBlockIdAt ( $x, $y + 1, $z + 2, Block::BED_BLOCK );
				$level->setBlockDataAt ( $x - 1, $y + 1, $z + 2, 9 );
				$level->setBlockDataAt ( $x, $y + 1, $z + 2, 1 );
				// Other
				$level->setBlockIdAt ( $x - 1, $y + 1, $z - 2, Block::CRAFTING_TABLE );
				$level->setBlockIdAt ( $x, $y + 1, $z - 2, Block::REDSTONE_TORCH );
				$level->setBlockIdAt ( $x + 1, $y + 1, $z - 2, Block::FURNACE );
				
				break;
			
			// Second direction
			case 1 : // Entrance is x-
			        // Ground
				for($xx = $x - 4; $xx <= $x + 3; $xx ++)
					for($zz = $z - 3; $zz <= $z + 3; $zz ++)
						if (! isset ( $this->overridable [$level->getBlockIdAt ( $xx, $y, $zz )] ))
							$level->setBlockIdAt ( $xx, $y, $zz, Block::SNOW_BLOCK );
				// Entrance
				for($i = 0; $i < 2; $i ++) {
					$level->setBlockIdAt ( $x - 3 - $i, $y, $z, Block::SNOW_BLOCK );
					$level->setBlockIdAt ( $x - 3 - $i, $y + 3, $z, Block::SNOW_BLOCK );
					$level->setBlockIdAt ( $x - 3 - $i, $y + 1, $z + 1, Block::SNOW_BLOCK );
					$level->setBlockIdAt ( $x - 3 - $i, $y + 1, $z - 1, Block::SNOW_BLOCK );
					$level->setBlockIdAt ( $x - 3 - $i, $y + 2, $z + 1, Block::SNOW_BLOCK );
					$level->setBlockIdAt ( $x - 3 - $i, $y + 2, $z - 1, Block::SNOW_BLOCK );
				}
				
				// Back
				for($zz = $z - 1; $zz <= $z + 1; $zz ++) {
					$level->setBlockIdAt ( $x + 3, $y + 1, $zz, Block::SNOW_BLOCK );
					$level->setBlockIdAt ( $x + 3, $y + 2, $zz, Block::SNOW_BLOCK );
				}
				
				// Sides
				for($xx = $x - 1; $xx <= $x + 1; $xx ++) {
					$level->setBlockIdAt ( $xx, $y + 1, $z - 3, Block::SNOW_BLOCK );
					$level->setBlockIdAt ( $xx, $y + 2, $z - 3, Block::SNOW_BLOCK );
					$level->setBlockIdAt ( $xx, $y + 1, $z + 3, Block::SNOW_BLOCK );
					$level->setBlockIdAt ( $xx, $y + 2, $z + 3, Block::SNOW_BLOCK );
				}
				$level->setBlockIdAt ( $x, $y + 1, $z + 3, Block::ICE );
				$level->setBlockIdAt ( $x, $y + 1, $z - 3, Block::ICE );
				
				// Diags
				for($i = 1; $i <= 2; $i ++) {
					$level->setBlockIdAt ( $x + 2, $y + $i, $z + 2, Block::SNOW_BLOCK );
					$level->setBlockIdAt ( $x - 2, $y + $i, $z + 2, Block::SNOW_BLOCK );
					$level->setBlockIdAt ( $x - 2, $y + $i, $z - 2, Block::SNOW_BLOCK );
					$level->setBlockIdAt ( $x + 2, $y + $i, $z - 2, Block::SNOW_BLOCK );
				}
				
				// 2nd layer
				for($i = 0; $i < 3; $i ++) {
					$level->setBlockIdAt ( $x - 1 + $i, $y + 3, $z + 2, Block::SNOW_BLOCK );
					$level->setBlockIdAt ( $x - 1 + $i, $y + 3, $z - 2, Block::SNOW_BLOCK );
					$level->setBlockIdAt ( $x + 2, $y + 3, $z - 1 + $i, Block::SNOW_BLOCK );
					$level->setBlockIdAt ( $x - 2, $y + 3, $z - 1 + $i, Block::SNOW_BLOCK );
				}
				
				// Top
				for($xx = $x - 1; $xx <= $x + 1; $xx ++)
					for($zz = $z - 1; $zz <= $z + 1; $zz ++) {
						$level->setBlockIdAt ( $xx, $y + 4, $zz, Block::SNOW_BLOCK );
						$level->setBlockIdAt ( $xx, $y, $zz, Block::SNOW_BLOCK );
					}
				
				// Carpets
				for($xx = $x - 1; $xx <= $x + 2; $xx ++)
					for($zz = $z - 1; $zz <= $z + 1; $zz ++) {
						$level->setBlockIdAt ( $xx, $y + 1, $zz, Block::CARPET );
					}
				
				// Other furnitures
				// Bed
				$level->setBlockIdAt ( $x + 1, $y + 1, $z + 2, Block::BED_BLOCK );
				$level->setBlockIdAt ( $x, $y + 1, $z + 2, Block::BED_BLOCK );
				$level->setBlockDataAt ( $x + 1, $y + 1, $z + 2, 11 );
				$level->setBlockDataAt ( $x, $y + 1, $z + 2, 3 );
				// Other
				$level->setBlockIdAt ( $x + 1, $y + 1, $z - 2, Block::CRAFTING_TABLE );
				$level->setBlockIdAt ( $x, $y + 1, $z - 2, Block::REDSTONE_TORCH );
				$level->setBlockIdAt ( $x - 1, $y + 1, $z - 2, Block::FURNACE );
				break;
			
			// Third direction
			case 2 : // Entrence is z+
			        // Ground
				for($xx = $x - 3; $xx <= $x + 3; $xx ++)
					for($zz = $z - 3; $zz <= $z + 4; $zz ++)
						if (! isset ( $this->overridable [$level->getBlockIdAt ( $xx, $y, $zz )] ))
							$level->setBlockIdAt ( $xx, $y, $zz, Block::SNOW_BLOCK );
				// Entrance
				for($i = 0; $i < 2; $i ++) {
					$level->setBlockIdAt ( $x, $y, $z + 3 + $i, Block::SNOW_BLOCK );
					$level->setBlockIdAt ( $x, $y + 3, $z + 3 + $i, Block::SNOW_BLOCK );
					$level->setBlockIdAt ( $x + 1, $y + 1, $z + 3 + $i, Block::SNOW_BLOCK );
					$level->setBlockIdAt ( $x - 1, $y + 1, $z + 3 + $i, Block::SNOW_BLOCK );
					$level->setBlockIdAt ( $x + 1, $y + 2, $z + 3 + $i, Block::SNOW_BLOCK );
					$level->setBlockIdAt ( $x - 1, $y + 2, $z + 3 + $i, Block::SNOW_BLOCK );
				}
				
				// Back
				for($xx = $x - 1; $xx <= $x + 1; $xx ++) {
					$level->setBlockIdAt ( $xx, $y + 1, $z - 3, Block::SNOW_BLOCK );
					$level->setBlockIdAt ( $xx, $y + 2, $z - 3, Block::SNOW_BLOCK );
				}
				
				// Sides
				for($zz = $z - 1; $zz <= $z + 1; $zz ++) {
					$level->setBlockIdAt ( $x - 3, $y + 1, $zz, Block::SNOW_BLOCK );
					$level->setBlockIdAt ( $x - 3, $y + 2, $zz, Block::SNOW_BLOCK );
					$level->setBlockIdAt ( $x + 3, $y + 1, $zz, Block::SNOW_BLOCK );
					$level->setBlockIdAt ( $x + 3, $y + 2, $zz, Block::SNOW_BLOCK );
				}
				$level->setBlockIdAt ( $x + 3, $y + 1, $z, Block::ICE );
				$level->setBlockIdAt ( $x - 3, $y + 1, $z, Block::ICE );
				
				// Diags
				for($i = 1; $i <= 2; $i ++) {
					$level->setBlockIdAt ( $x + 2, $y + $i, $z + 2, Block::SNOW_BLOCK );
					$level->setBlockIdAt ( $x - 2, $y + $i, $z + 2, Block::SNOW_BLOCK );
					$level->setBlockIdAt ( $x - 2, $y + $i, $z - 2, Block::SNOW_BLOCK );
					$level->setBlockIdAt ( $x + 2, $y + $i, $z - 2, Block::SNOW_BLOCK );
				}
				
				// 2nd layer
				for($i = 0; $i < 3; $i ++) {
					$level->setBlockIdAt ( $x - 1 + $i, $y + 3, $z + 2, Block::SNOW_BLOCK );
					$level->setBlockIdAt ( $x - 1 + $i, $y + 3, $z - 2, Block::SNOW_BLOCK );
					$level->setBlockIdAt ( $x + 2, $y + 3, $z - 1 + $i, Block::SNOW_BLOCK );
					$level->setBlockIdAt ( $x - 2, $y + 3, $z - 1 + $i, Block::SNOW_BLOCK );
				}
				
				// Top
				for($xx = $x - 1; $xx <= $x + 1; $xx ++)
					for($zz = $z - 1; $zz <= $z + 1; $zz ++) {
						$level->setBlockIdAt ( $xx, $y + 4, $zz, Block::SNOW_BLOCK );
						$level->setBlockIdAt ( $xx, $y, $zz, Block::SNOW_BLOCK );
					}
				
				// Carpets
				for($xx = $x - 1; $xx <= $x + 1; $xx ++)
					for($zz = $z - 2; $zz <= $z + 1; $zz ++) {
						$level->setBlockIdAt ( $xx, $y + 1, $zz, Block::CARPET );
					}
				
				// Other furnitures
				// Bed
				$level->setBlockIdAt ( $x + 2, $y + 1, $z - 1, Block::BED_BLOCK );
				$level->setBlockIdAt ( $x + 2, $y + 1, $z, Block::BED_BLOCK );
				$level->setBlockDataAt ( $x + 2, $y + 1, $z - 1, 10 );
				$level->setBlockDataAt ( $x + 2, $y + 1, $z, 2 );
				// Other
				$level->setBlockIdAt ( $x - 2, $y + 1, $z + 1, Block::CRAFTING_TABLE );
				$level->setBlockIdAt ( $x - 2, $y + 1, $z, Block::REDSTONE_TORCH );
				$level->setBlockIdAt ( $x - 2, $y + 1, $z - 1, Block::FURNACE );
				break;
			
			// Fourth direction
			case 3 : // Entrance is z-
			        // Ground
				for($xx = $x - 3; $xx <= $x + 3; $xx ++)
					for($zz = $z - 4; $zz <= $z + 3; $zz ++)
						if (! isset ( $this->overridable [$level->getBlockIdAt ( $xx, $y, $zz )] ))
							$level->setBlockIdAt ( $xx, $y, $zz, Block::SNOW_BLOCK );
				// Entrance
				for($i = 0; $i < 2; $i ++) {
					$level->setBlockIdAt ( $x, $y, $z - 3 - $i, Block::SNOW_BLOCK );
					$level->setBlockIdAt ( $x, $y + 3, $z - 3 - $i, Block::SNOW_BLOCK );
					$level->setBlockIdAt ( $x + 1, $y + 1, $z - 3 - $i, Block::SNOW_BLOCK );
					$level->setBlockIdAt ( $x - 1, $y + 1, $z - 3 - $i, Block::SNOW_BLOCK );
					$level->setBlockIdAt ( $x + 1, $y + 2, $z - 3 - $i, Block::SNOW_BLOCK );
					$level->setBlockIdAt ( $x - 1, $y + 2, $z - 3 - $i, Block::SNOW_BLOCK );
				}
				
				// Back
				for($xx = $x - 1; $xx <= $x + 1; $xx ++) {
					$level->setBlockIdAt ( $xx, $y + 1, $z + 3, Block::SNOW_BLOCK );
					$level->setBlockIdAt ( $xx, $y + 2, $z + 3, Block::SNOW_BLOCK );
				}
				
				// Sides
				for($zz = $z - 1; $zz <= $z + 1; $zz ++) {
					$level->setBlockIdAt ( $x - 3, $y + 1, $zz, Block::SNOW_BLOCK );
					$level->setBlockIdAt ( $x - 3, $y + 2, $zz, Block::SNOW_BLOCK );
					$level->setBlockIdAt ( $x + 3, $y + 1, $zz, Block::SNOW_BLOCK );
					$level->setBlockIdAt ( $x + 3, $y + 2, $zz, Block::SNOW_BLOCK );
				}
				$level->setBlockIdAt ( $x + 3, $y + 1, $z, Block::ICE );
				$level->setBlockIdAt ( $x - 3, $y + 1, $z, Block::ICE );
				
				// Diags
				for($i = 1; $i <= 2; $i ++) {
					$level->setBlockIdAt ( $x + 2, $y + $i, $z + 2, Block::SNOW_BLOCK );
					$level->setBlockIdAt ( $x - 2, $y + $i, $z + 2, Block::SNOW_BLOCK );
					$level->setBlockIdAt ( $x - 2, $y + $i, $z - 2, Block::SNOW_BLOCK );
					$level->setBlockIdAt ( $x + 2, $y + $i, $z - 2, Block::SNOW_BLOCK );
				}
				
				// 2nd layer
				for($i = 0; $i < 3; $i ++) {
					$level->setBlockIdAt ( $x - 1 + $i, $y + 3, $z + 2, Block::SNOW_BLOCK );
					$level->setBlockIdAt ( $x - 1 + $i, $y + 3, $z - 2, Block::SNOW_BLOCK );
					$level->setBlockIdAt ( $x + 2, $y + 3, $z - 1 + $i, Block::SNOW_BLOCK );
					$level->setBlockIdAt ( $x - 2, $y + 3, $z - 1 + $i, Block::SNOW_BLOCK );
				}
				
				// Top
				for($xx = $x - 1; $xx <= $x + 1; $xx ++)
					for($zz = $z - 1; $zz <= $z + 1; $zz ++) {
						$level->setBlockIdAt ( $xx, $y + 4, $zz, Block::SNOW_BLOCK );
						$level->setBlockIdAt ( $xx, $y, $zz, Block::SNOW_BLOCK );
					}
				
				// Carpets
				for($xx = $x - 1; $xx <= $x + 1; $xx ++)
					for($zz = $z - 1; $zz <= $z + 2; $zz ++) {
						$level->setBlockIdAt ( $xx, $y + 1, $zz, Block::CARPET );
					}
				
				// Other furnitures
				// Bed
				$level->setBlockIdAt ( $x + 2, $y + 1, $z + 1, Block::BED_BLOCK );
				$level->setBlockIdAt ( $x + 2, $y + 1, $z, Block::BED_BLOCK );
				$level->setBlockDataAt ( $x + 2, $y + 1, $z + 1, 8 );
				$level->setBlockDataAt ( $x + 2, $y + 1, $z, 0 );
				// Other
				$level->setBlockIdAt ( $x - 2, $y + 1, $z - 1, Block::CRAFTING_TABLE );
				$level->setBlockIdAt ( $x - 2, $y + 1, $z, Block::REDSTONE_TORCH );
				$level->setBlockIdAt ( $x - 2, $y + 1, $z + 1, Block::FURNACE );
				break;
		}
	}
}