001 package net.minecraft.src; 002 003 import java.util.Random; 004 005 public class BlockStationary extends BlockFluid 006 { 007 protected BlockStationary(int par1, Material par2Material) 008 { 009 super(par1, par2Material); 010 this.setTickRandomly(false); 011 012 if (par2Material == Material.lava) 013 { 014 this.setTickRandomly(true); 015 } 016 } 017 018 public boolean getBlocksMovement(IBlockAccess par1IBlockAccess, int par2, int par3, int par4) 019 { 020 return this.blockMaterial != Material.lava; 021 } 022 023 /** 024 * Lets the block know when one of its neighbor changes. Doesn't know which neighbor changed (coordinates passed are 025 * their own) Args: x, y, z, neighbor blockID 026 */ 027 public void onNeighborBlockChange(World par1World, int par2, int par3, int par4, int par5) 028 { 029 super.onNeighborBlockChange(par1World, par2, par3, par4, par5); 030 031 if (par1World.getBlockId(par2, par3, par4) == this.blockID) 032 { 033 this.setNotStationary(par1World, par2, par3, par4); 034 } 035 } 036 037 /** 038 * Changes the block ID to that of an updating fluid. 039 */ 040 private void setNotStationary(World par1World, int par2, int par3, int par4) 041 { 042 int var5 = par1World.getBlockMetadata(par2, par3, par4); 043 par1World.editingBlocks = true; 044 par1World.setBlockAndMetadata(par2, par3, par4, this.blockID - 1, var5); 045 par1World.markBlockRangeForRenderUpdate(par2, par3, par4, par2, par3, par4); 046 par1World.scheduleBlockUpdate(par2, par3, par4, this.blockID - 1, this.tickRate()); 047 par1World.editingBlocks = false; 048 } 049 050 /** 051 * Ticks the block if it's been scheduled 052 */ 053 public void updateTick(World par1World, int par2, int par3, int par4, Random par5Random) 054 { 055 if (this.blockMaterial == Material.lava) 056 { 057 int var6 = par5Random.nextInt(3); 058 int var7; 059 int var8; 060 061 for (var7 = 0; var7 < var6; ++var7) 062 { 063 par2 += par5Random.nextInt(3) - 1; 064 ++par3; 065 par4 += par5Random.nextInt(3) - 1; 066 var8 = par1World.getBlockId(par2, par3, par4); 067 068 if (var8 == 0) 069 { 070 if (this.isFlammable(par1World, par2 - 1, par3, par4) || this.isFlammable(par1World, par2 + 1, par3, par4) || this.isFlammable(par1World, par2, par3, par4 - 1) || this.isFlammable(par1World, par2, par3, par4 + 1) || this.isFlammable(par1World, par2, par3 - 1, par4) || this.isFlammable(par1World, par2, par3 + 1, par4)) 071 { 072 par1World.setBlockWithNotify(par2, par3, par4, Block.fire.blockID); 073 return; 074 } 075 } 076 else if (Block.blocksList[var8].blockMaterial.blocksMovement()) 077 { 078 return; 079 } 080 } 081 082 if (var6 == 0) 083 { 084 var7 = par2; 085 var8 = par4; 086 087 for (int var9 = 0; var9 < 3; ++var9) 088 { 089 par2 = var7 + par5Random.nextInt(3) - 1; 090 par4 = var8 + par5Random.nextInt(3) - 1; 091 092 if (par1World.isAirBlock(par2, par3 + 1, par4) && this.isFlammable(par1World, par2, par3, par4)) 093 { 094 par1World.setBlockWithNotify(par2, par3 + 1, par4, Block.fire.blockID); 095 } 096 } 097 } 098 } 099 } 100 101 /** 102 * Checks to see if the block is flammable. 103 */ 104 private boolean isFlammable(World par1World, int par2, int par3, int par4) 105 { 106 return par1World.getBlockMaterial(par2, par3, par4).getCanBurn(); 107 } 108 }