001 package net.minecraft.src; 002 003 public class BlockFenceGate extends BlockDirectional 004 { 005 public BlockFenceGate(int par1, int par2) 006 { 007 super(par1, par2, Material.wood); 008 this.setCreativeTab(CreativeTabs.tabRedstone); 009 } 010 011 /** 012 * Checks to see if its valid to put this block at the specified coordinates. Args: world, x, y, z 013 */ 014 public boolean canPlaceBlockAt(World par1World, int par2, int par3, int par4) 015 { 016 return !par1World.getBlockMaterial(par2, par3 - 1, par4).isSolid() ? false : super.canPlaceBlockAt(par1World, par2, par3, par4); 017 } 018 019 /** 020 * Returns a bounding box from the pool of bounding boxes (this means this box can change after the pool has been 021 * cleared to be reused) 022 */ 023 public AxisAlignedBB getCollisionBoundingBoxFromPool(World par1World, int par2, int par3, int par4) 024 { 025 int var5 = par1World.getBlockMetadata(par2, par3, par4); 026 return isFenceGateOpen(var5) ? null : (var5 != 2 && var5 != 0 ? AxisAlignedBB.getAABBPool().addOrModifyAABBInPool((double)((float)par2 + 0.375F), (double)par3, (double)par4, (double)((float)par2 + 0.625F), (double)((float)par3 + 1.5F), (double)(par4 + 1)) : AxisAlignedBB.getAABBPool().addOrModifyAABBInPool((double)par2, (double)par3, (double)((float)par4 + 0.375F), (double)(par2 + 1), (double)((float)par3 + 1.5F), (double)((float)par4 + 0.625F))); 027 } 028 029 /** 030 * Updates the blocks bounds based on its current state. Args: world, x, y, z 031 */ 032 public void setBlockBoundsBasedOnState(IBlockAccess par1IBlockAccess, int par2, int par3, int par4) 033 { 034 int var5 = getDirection(par1IBlockAccess.getBlockMetadata(par2, par3, par4)); 035 036 if (var5 != 2 && var5 != 0) 037 { 038 this.setBlockBounds(0.375F, 0.0F, 0.0F, 0.625F, 1.0F, 1.0F); 039 } 040 else 041 { 042 this.setBlockBounds(0.0F, 0.0F, 0.375F, 1.0F, 1.0F, 0.625F); 043 } 044 } 045 046 /** 047 * Is this block (a) opaque and (b) a full 1m cube? This determines whether or not to render the shared face of two 048 * adjacent blocks and also whether the player can attach torches, redstone wire, etc to this block. 049 */ 050 public boolean isOpaqueCube() 051 { 052 return false; 053 } 054 055 /** 056 * If this block doesn't render as an ordinary block it will return False (examples: signs, buttons, stairs, etc) 057 */ 058 public boolean renderAsNormalBlock() 059 { 060 return false; 061 } 062 063 public boolean getBlocksMovement(IBlockAccess par1IBlockAccess, int par2, int par3, int par4) 064 { 065 return isFenceGateOpen(par1IBlockAccess.getBlockMetadata(par2, par3, par4)); 066 } 067 068 /** 069 * The type of render function that is called for this block 070 */ 071 public int getRenderType() 072 { 073 return 21; 074 } 075 076 /** 077 * Called when the block is placed in the world. 078 */ 079 public void onBlockPlacedBy(World par1World, int par2, int par3, int par4, EntityLiving par5EntityLiving) 080 { 081 int var6 = (MathHelper.floor_double((double)(par5EntityLiving.rotationYaw * 4.0F / 360.0F) + 0.5D) & 3) % 4; 082 par1World.setBlockMetadataWithNotify(par2, par3, par4, var6); 083 } 084 085 /** 086 * Called upon block activation (right click on the block.) 087 */ 088 public boolean onBlockActivated(World par1World, int par2, int par3, int par4, EntityPlayer par5EntityPlayer, int par6, float par7, float par8, float par9) 089 { 090 int var10 = par1World.getBlockMetadata(par2, par3, par4); 091 092 if (isFenceGateOpen(var10)) 093 { 094 par1World.setBlockMetadataWithNotify(par2, par3, par4, var10 & -5); 095 } 096 else 097 { 098 int var11 = (MathHelper.floor_double((double)(par5EntityPlayer.rotationYaw * 4.0F / 360.0F) + 0.5D) & 3) % 4; 099 int var12 = getDirection(var10); 100 101 if (var12 == (var11 + 2) % 4) 102 { 103 var10 = var11; 104 } 105 106 par1World.setBlockMetadataWithNotify(par2, par3, par4, var10 | 4); 107 } 108 109 par1World.playAuxSFXAtEntity(par5EntityPlayer, 1003, par2, par3, par4, 0); 110 return true; 111 } 112 113 /** 114 * Lets the block know when one of its neighbor changes. Doesn't know which neighbor changed (coordinates passed are 115 * their own) Args: x, y, z, neighbor blockID 116 */ 117 public void onNeighborBlockChange(World par1World, int par2, int par3, int par4, int par5) 118 { 119 if (!par1World.isRemote) 120 { 121 int var6 = par1World.getBlockMetadata(par2, par3, par4); 122 boolean var7 = par1World.isBlockIndirectlyGettingPowered(par2, par3, par4); 123 124 if (var7 || par5 > 0 && Block.blocksList[par5].canProvidePower() || par5 == 0) 125 { 126 if (var7 && !isFenceGateOpen(var6)) 127 { 128 par1World.setBlockMetadataWithNotify(par2, par3, par4, var6 | 4); 129 par1World.playAuxSFXAtEntity((EntityPlayer)null, 1003, par2, par3, par4, 0); 130 } 131 else if (!var7 && isFenceGateOpen(var6)) 132 { 133 par1World.setBlockMetadataWithNotify(par2, par3, par4, var6 & -5); 134 par1World.playAuxSFXAtEntity((EntityPlayer)null, 1003, par2, par3, par4, 0); 135 } 136 } 137 } 138 } 139 140 /** 141 * Returns if the fence gate is open according to its metadata. 142 */ 143 public static boolean isFenceGateOpen(int par0) 144 { 145 return (par0 & 4) != 0; 146 } 147 }