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 }