001 package net.minecraft.src;
002
003 import cpw.mods.fml.common.Side;
004 import cpw.mods.fml.common.asm.SideOnly;
005 import java.util.Random;
006 import net.minecraftforge.common.ForgeDirection;
007 import static net.minecraftforge.common.ForgeDirection.*;
008
009 public class BlockLadder extends Block
010 {
011 protected BlockLadder(int par1, int par2)
012 {
013 super(par1, par2, Material.circuits);
014 this.setCreativeTab(CreativeTabs.tabDecorations);
015 }
016
017 /**
018 * Returns a bounding box from the pool of bounding boxes (this means this box can change after the pool has been
019 * cleared to be reused)
020 */
021 public AxisAlignedBB getCollisionBoundingBoxFromPool(World par1World, int par2, int par3, int par4)
022 {
023 int var5 = par1World.getBlockMetadata(par2, par3, par4);
024 float var6 = 0.125F;
025
026 if (var5 == 2)
027 {
028 this.setBlockBounds(0.0F, 0.0F, 1.0F - var6, 1.0F, 1.0F, 1.0F);
029 }
030
031 if (var5 == 3)
032 {
033 this.setBlockBounds(0.0F, 0.0F, 0.0F, 1.0F, 1.0F, var6);
034 }
035
036 if (var5 == 4)
037 {
038 this.setBlockBounds(1.0F - var6, 0.0F, 0.0F, 1.0F, 1.0F, 1.0F);
039 }
040
041 if (var5 == 5)
042 {
043 this.setBlockBounds(0.0F, 0.0F, 0.0F, var6, 1.0F, 1.0F);
044 }
045
046 return super.getCollisionBoundingBoxFromPool(par1World, par2, par3, par4);
047 }
048
049 @SideOnly(Side.CLIENT)
050
051 /**
052 * Returns the bounding box of the wired rectangular prism to render.
053 */
054 public AxisAlignedBB getSelectedBoundingBoxFromPool(World par1World, int par2, int par3, int par4)
055 {
056 int var5 = par1World.getBlockMetadata(par2, par3, par4);
057 float var6 = 0.125F;
058
059 if (var5 == 2)
060 {
061 this.setBlockBounds(0.0F, 0.0F, 1.0F - var6, 1.0F, 1.0F, 1.0F);
062 }
063
064 if (var5 == 3)
065 {
066 this.setBlockBounds(0.0F, 0.0F, 0.0F, 1.0F, 1.0F, var6);
067 }
068
069 if (var5 == 4)
070 {
071 this.setBlockBounds(1.0F - var6, 0.0F, 0.0F, 1.0F, 1.0F, 1.0F);
072 }
073
074 if (var5 == 5)
075 {
076 this.setBlockBounds(0.0F, 0.0F, 0.0F, var6, 1.0F, 1.0F);
077 }
078
079 return super.getSelectedBoundingBoxFromPool(par1World, par2, par3, par4);
080 }
081
082 /**
083 * Is this block (a) opaque and (b) a full 1m cube? This determines whether or not to render the shared face of two
084 * adjacent blocks and also whether the player can attach torches, redstone wire, etc to this block.
085 */
086 public boolean isOpaqueCube()
087 {
088 return false;
089 }
090
091 /**
092 * If this block doesn't render as an ordinary block it will return False (examples: signs, buttons, stairs, etc)
093 */
094 public boolean renderAsNormalBlock()
095 {
096 return false;
097 }
098
099 /**
100 * The type of render function that is called for this block
101 */
102 public int getRenderType()
103 {
104 return 8;
105 }
106
107 /**
108 * Checks to see if its valid to put this block at the specified coordinates. Args: world, x, y, z
109 */
110 public boolean canPlaceBlockAt(World par1World, int par2, int par3, int par4)
111 {
112 return par1World.isBlockSolidOnSide(par2 - 1, par3, par4, EAST ) ||
113 par1World.isBlockSolidOnSide(par2 + 1, par3, par4, WEST ) ||
114 par1World.isBlockSolidOnSide(par2, par3, par4 - 1, SOUTH) ||
115 par1World.isBlockSolidOnSide(par2, par3, par4 + 1, NORTH);
116 }
117
118 /**
119 * called before onBlockPlacedBy by ItemBlock and ItemReed
120 */
121 public void updateBlockMetadata(World par1World, int par2, int par3, int par4, int par5, float par6, float par7, float par8)
122 {
123 int var9 = par1World.getBlockMetadata(par2, par3, par4);
124
125 if ((var9 == 0 || par5 == 2) && par1World.isBlockSolidOnSide(par2, par3, par4 + 1, NORTH))
126 {
127 var9 = 2;
128 }
129
130 if ((var9 == 0 || par5 == 3) && par1World.isBlockSolidOnSide(par2, par3, par4 - 1, SOUTH))
131 {
132 var9 = 3;
133 }
134
135 if ((var9 == 0 || par5 == 4) && par1World.isBlockSolidOnSide(par2 + 1, par3, par4, WEST))
136 {
137 var9 = 4;
138 }
139
140 if ((var9 == 0 || par5 == 5) && par1World.isBlockSolidOnSide(par2 - 1, par3, par4, EAST))
141 {
142 var9 = 5;
143 }
144
145 par1World.setBlockMetadataWithNotify(par2, par3, par4, var9);
146 }
147
148 /**
149 * Lets the block know when one of its neighbor changes. Doesn't know which neighbor changed (coordinates passed are
150 * their own) Args: x, y, z, neighbor blockID
151 */
152 public void onNeighborBlockChange(World par1World, int par2, int par3, int par4, int par5)
153 {
154 int var6 = par1World.getBlockMetadata(par2, par3, par4);
155 boolean var7 = false;
156
157 if (var6 == 2 && par1World.isBlockSolidOnSide(par2, par3, par4 + 1, NORTH))
158 {
159 var7 = true;
160 }
161
162 if (var6 == 3 && par1World.isBlockSolidOnSide(par2, par3, par4 - 1, SOUTH))
163 {
164 var7 = true;
165 }
166
167 if (var6 == 4 && par1World.isBlockSolidOnSide(par2 + 1, par3, par4, WEST))
168 {
169 var7 = true;
170 }
171
172 if (var6 == 5 && par1World.isBlockSolidOnSide(par2 - 1, par3, par4, EAST))
173 {
174 var7 = true;
175 }
176
177 if (!var7)
178 {
179 this.dropBlockAsItem(par1World, par2, par3, par4, var6, 0);
180 par1World.setBlockWithNotify(par2, par3, par4, 0);
181 }
182
183 super.onNeighborBlockChange(par1World, par2, par3, par4, par5);
184 }
185
186 /**
187 * Returns the quantity of items to drop on block destruction.
188 */
189 public int quantityDropped(Random par1Random)
190 {
191 return 1;
192 }
193
194 @Override
195 public boolean isLadder(World world, int x, int y, int z)
196 {
197 return true;
198 }
199 }