package net.minecraft.server; import java.util.Random; public class BlockSand extends Block { public static boolean instaFall = false; public BlockSand(int i, int j) { super(i, j, Material.SAND); this.a(CreativeModeTab.b); } public BlockSand(int i, int j, Material material) { super(i, j, material); } public void onPlace(World world, int i, int j, int k) { world.a(i, j, k, this.id, this.r_()); } public void doPhysics(World world, int i, int j, int k, int l) { world.a(i, j, k, this.id, this.r_()); } public void b(World world, int i, int j, int k, Random random) { if (!world.isStatic) { this.l(world, i, j, k); } } private void l(World world, int i, int j, int k) { if (canFall(world, i, j - 1, k) && j >= 0) { byte b0 = 32; if (!instaFall && world.d(i - b0, j - b0, k - b0, i + b0, j + b0, k + b0)) { if (!world.isStatic) { EntityFallingBlock entityfallingblock = new EntityFallingBlock(world, (double) ((float) i + 0.5F), (double) ((float) j + 0.5F), (double) ((float) k + 0.5F), this.id, world.getData(i, j, k)); this.a(entityfallingblock); world.addEntity(entityfallingblock); } } else { world.setTypeId(i, j, k, 0); while (canFall(world, i, j - 1, k) && j > 0) { --j; } if (j > 0) { world.setTypeId(i, j, k, this.id); } } } } protected void a(EntityFallingBlock entityfallingblock) {} public int r_() { return 3; } public static boolean canFall(World world, int i, int j, int k) { int l = world.getTypeId(i, j, k); if (l == 0) { return true; } else if (l == Block.FIRE.id) { return true; } else { Material material = Block.byId[l].material; return material == Material.WATER ? true : material == Material.LAVA; } } public void a_(World world, int i, int j, int k, int l) {} }