package net.minecraft.src;
// Decompiled by Jad v1.5.8g. Copyright 2001 Pavel Kouznetsov.

// Jad home page: http://www.kpdus.com/jad.html
// Decompiler options: packimports(3) braces deadcode 

import java.util.Random;

public class BlockFlowing extends BlockFluids {

	protected BlockFlowing(int i, Material material) {
		super(i, material);
		field_460_a = 0;
		field_459_b = new boolean[4];
		field_461_c = new int[4];
	}

	private void func_22034_j(World world, int i, int j, int k) {
		int l = world.getBlockMetadata(i, j, k);
		world.setBlockAndMetadata(i, j, k, blockID + 1, l);
		world.markBlocksDirty(i, j, k, i, j, k);
		world.markBlockNeedsUpdate(i, j, k);
	}

	public void updateTick(World world, int i, int j, int k, Random random) {
		int l = func_290_h(world, i, j, k);
		byte byte0 = 1;
		if (blockMaterial == Material.lava && !world.worldProvider.isHellWorld) {
			byte0 = 2;
		}
		boolean flag = true;
		if (l > 0) {
			int i1 = -100;
			field_460_a = 0;
			i1 = func_296_f(world, i - 1, j, k, i1);
			i1 = func_296_f(world, i + 1, j, k, i1);
			i1 = func_296_f(world, i, j, k - 1, i1);
			i1 = func_296_f(world, i, j, k + 1, i1);
			int j1 = i1 + byte0;
			if (j1 >= 8 || i1 < 0) {
				j1 = -1;
			}
			if (func_290_h(world, i, j + 1, k) >= 0) {
				int l1 = func_290_h(world, i, j + 1, k);
				if (l1 >= 8) {
					j1 = l1;
				} else {
					j1 = l1 + 8;
				}
			}
			if (field_460_a >= 2 && blockMaterial == Material.water) {
				if (world.isBlockOpaqueCube(i, j - 1, k)) {
					j1 = 0;
				} else if (world.getBlockMaterial(i, j - 1, k) == blockMaterial
						&& world.getBlockMetadata(i, j, k) == 0) {
					j1 = 0;
				}
			}
			if (blockMaterial == Material.lava && l < 8 && j1 < 8 && j1 > l && random.nextInt(4) != 0) {
				j1 = l;
				flag = false;
			}
			if (j1 != l) {
				l = j1;
				if (l < 0) {
					world.setBlockWithNotify(i, j, k, 0);
				} else {
					world.setBlockMetadataWithNotify(i, j, k, l);
					world.scheduleBlockUpdate(i, j, k, blockID, tickRate());
					world.notifyBlocksOfNeighborChange(i, j, k, blockID);
				}
			} else if (flag) {
				func_22034_j(world, i, j, k);
			}
		} else {
			func_22034_j(world, i, j, k);
		}
		if (func_298_m(world, i, j - 1, k)) {
			if (l >= 8) {
				world.setBlockAndMetadataWithNotify(i, j - 1, k, blockID, l);
			} else {
				world.setBlockAndMetadataWithNotify(i, j - 1, k, blockID, l + 8);
			}
		} else if (l >= 0 && (l == 0 || func_295_l(world, i, j - 1, k))) {
			boolean aflag[] = func_297_k(world, i, j, k);
			int k1 = l + byte0;
			if (l >= 8) {
				k1 = 1;
			}
			if (k1 >= 8) {
				return;
			}
			if (aflag[0]) {
				func_299_g(world, i - 1, j, k, k1);
			}
			if (aflag[1]) {
				func_299_g(world, i + 1, j, k, k1);
			}
			if (aflag[2]) {
				func_299_g(world, i, j, k - 1, k1);
			}
			if (aflag[3]) {
				func_299_g(world, i, j, k + 1, k1);
			}
		}
	}

	private void func_299_g(World world, int i, int j, int k, int l) {
		if (func_298_m(world, i, j, k)) {
			int i1 = world.getBlockId(i, j, k);
			if (i1 > 0) {
				if (blockMaterial == Material.lava) {
					func_292_i(world, i, j, k);
				} else {
					Block.blocksList[i1].dropBlockAsItem(world, i, j, k, world.getBlockMetadata(i, j, k));
				}
			}
			world.setBlockAndMetadataWithNotify(i, j, k, blockID, l);
		}
	}

	private int func_300_a(World world, int i, int j, int k, int l, int i1) {
		int j1 = 1000;
		for (int k1 = 0; k1 < 4; k1++) {
			if (k1 == 0 && i1 == 1 || k1 == 1 && i1 == 0 || k1 == 2 && i1 == 3 || k1 == 3 && i1 == 2) {
				continue;
			}
			int l1 = i;
			int i2 = j;
			int j2 = k;
			if (k1 == 0) {
				l1--;
			}
			if (k1 == 1) {
				l1++;
			}
			if (k1 == 2) {
				j2--;
			}
			if (k1 == 3) {
				j2++;
			}
			if (func_295_l(world, l1, i2, j2)
					|| world.getBlockMaterial(l1, i2, j2) == blockMaterial && world.getBlockMetadata(l1, i2, j2) == 0) {
				continue;
			}
			if (!func_295_l(world, l1, i2 - 1, j2)) {
				return l;
			}
			if (l >= 4) {
				continue;
			}
			int k2 = func_300_a(world, l1, i2, j2, l + 1, k1);
			if (k2 < j1) {
				j1 = k2;
			}
		}

		return j1;
	}

	private boolean[] func_297_k(World world, int i, int j, int k) {
		for (int l = 0; l < 4; l++) {
			field_461_c[l] = 1000;
			int j1 = i;
			int i2 = j;
			int j2 = k;
			if (l == 0) {
				j1--;
			}
			if (l == 1) {
				j1++;
			}
			if (l == 2) {
				j2--;
			}
			if (l == 3) {
				j2++;
			}
			if (func_295_l(world, j1, i2, j2)
					|| world.getBlockMaterial(j1, i2, j2) == blockMaterial && world.getBlockMetadata(j1, i2, j2) == 0) {
				continue;
			}
			if (!func_295_l(world, j1, i2 - 1, j2)) {
				field_461_c[l] = 0;
			} else {
				field_461_c[l] = func_300_a(world, j1, i2, j2, 1, l);
			}
		}

		int i1 = field_461_c[0];
		for (int k1 = 1; k1 < 4; k1++) {
			if (field_461_c[k1] < i1) {
				i1 = field_461_c[k1];
			}
		}

		for (int l1 = 0; l1 < 4; l1++) {
			field_459_b[l1] = field_461_c[l1] == i1;
		}

		return field_459_b;
	}

	private boolean func_295_l(World world, int i, int j, int k) {
		int l = world.getBlockId(i, j, k);
		if (l == Block.doorWood.blockID || l == Block.doorSteel.blockID || l == Block.signPost.blockID
				|| l == Block.ladder.blockID || l == Block.reed.blockID) {
			return true;
		}
		if (l == 0) {
			return false;
		}
		Material material = Block.blocksList[l].blockMaterial;
		return material.isSolid();
	}

	protected int func_296_f(World world, int i, int j, int k, int l) {
		int i1 = func_290_h(world, i, j, k);
		if (i1 < 0) {
			return l;
		}
		if (i1 == 0) {
			field_460_a++;
		}
		if (i1 >= 8) {
			i1 = 0;
		}
		return l >= 0 && i1 >= l ? l : i1;
	}

	private boolean func_298_m(World world, int i, int j, int k) {
		Material material = world.getBlockMaterial(i, j, k);
		if (material == blockMaterial) {
			return false;
		}
		if (material == Material.lava) {
			return false;
		} else {
			return !func_295_l(world, i, j, k);
		}
	}

	public void onBlockAdded(World world, int i, int j, int k) {
		super.onBlockAdded(world, i, j, k);
		if (world.getBlockId(i, j, k) == blockID) {
			world.scheduleBlockUpdate(i, j, k, blockID, tickRate());
		}
	}

	int field_460_a;
	boolean field_459_b[];
	int field_461_c[];
}
