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; 006 007 public class BlockCactus extends Block 008 { 009 protected BlockCactus(int par1, int par2) 010 { 011 super(par1, par2, Material.cactus); 012 this.setTickRandomly(true); 013 this.setCreativeTab(CreativeTabs.tabDeco); 014 } 015 016 /** 017 * Ticks the block if it's been scheduled 018 */ 019 public void updateTick(World par1World, int par2, int par3, int par4, Random par5Random) 020 { 021 if (par1World.isAirBlock(par2, par3 + 1, par4)) 022 { 023 int var6; 024 025 for (var6 = 1; par1World.getBlockId(par2, par3 - var6, par4) == this.blockID; ++var6) 026 { 027 ; 028 } 029 030 if (var6 < 3) 031 { 032 int var7 = par1World.getBlockMetadata(par2, par3, par4); 033 034 if (var7 == 15) 035 { 036 par1World.setBlockWithNotify(par2, par3 + 1, par4, this.blockID); 037 par1World.setBlockMetadataWithNotify(par2, par3, par4, 0); 038 } 039 else 040 { 041 par1World.setBlockMetadataWithNotify(par2, par3, par4, var7 + 1); 042 } 043 } 044 } 045 } 046 047 /** 048 * Returns a bounding box from the pool of bounding boxes (this means this box can change after the pool has been 049 * cleared to be reused) 050 */ 051 public AxisAlignedBB getCollisionBoundingBoxFromPool(World par1World, int par2, int par3, int par4) 052 { 053 float var5 = 0.0625F; 054 return AxisAlignedBB.getAABBPool().addOrModifyAABBInPool((double)((float)par2 + var5), (double)par3, (double)((float)par4 + var5), (double)((float)(par2 + 1) - var5), (double)((float)(par3 + 1) - var5), (double)((float)(par4 + 1) - var5)); 055 } 056 057 @SideOnly(Side.CLIENT) 058 059 /** 060 * Returns the bounding box of the wired rectangular prism to render. 061 */ 062 public AxisAlignedBB getSelectedBoundingBoxFromPool(World par1World, int par2, int par3, int par4) 063 { 064 float var5 = 0.0625F; 065 return AxisAlignedBB.getAABBPool().addOrModifyAABBInPool((double)((float)par2 + var5), (double)par3, (double)((float)par4 + var5), (double)((float)(par2 + 1) - var5), (double)(par3 + 1), (double)((float)(par4 + 1) - var5)); 066 } 067 068 /** 069 * Returns the block texture based on the side being looked at. Args: side 070 */ 071 public int getBlockTextureFromSide(int par1) 072 { 073 return par1 == 1 ? this.blockIndexInTexture - 1 : (par1 == 0 ? this.blockIndexInTexture + 1 : this.blockIndexInTexture); 074 } 075 076 /** 077 * If this block doesn't render as an ordinary block it will return False (examples: signs, buttons, stairs, etc) 078 */ 079 public boolean renderAsNormalBlock() 080 { 081 return false; 082 } 083 084 /** 085 * Is this block (a) opaque and (b) a full 1m cube? This determines whether or not to render the shared face of two 086 * adjacent blocks and also whether the player can attach torches, redstone wire, etc to this block. 087 */ 088 public boolean isOpaqueCube() 089 { 090 return false; 091 } 092 093 /** 094 * The type of render function that is called for this block 095 */ 096 public int getRenderType() 097 { 098 return 13; 099 } 100 101 /** 102 * Checks to see if its valid to put this block at the specified coordinates. Args: world, x, y, z 103 */ 104 public boolean canPlaceBlockAt(World par1World, int par2, int par3, int par4) 105 { 106 return !super.canPlaceBlockAt(par1World, par2, par3, par4) ? false : this.canBlockStay(par1World, par2, par3, par4); 107 } 108 109 /** 110 * Lets the block know when one of its neighbor changes. Doesn't know which neighbor changed (coordinates passed are 111 * their own) Args: x, y, z, neighbor blockID 112 */ 113 public void onNeighborBlockChange(World par1World, int par2, int par3, int par4, int par5) 114 { 115 if (!this.canBlockStay(par1World, par2, par3, par4)) 116 { 117 this.dropBlockAsItem(par1World, par2, par3, par4, par1World.getBlockMetadata(par2, par3, par4), 0); 118 par1World.setBlockWithNotify(par2, par3, par4, 0); 119 } 120 } 121 122 /** 123 * Can this block stay at this position. Similar to canPlaceBlockAt except gets checked often with plants. 124 */ 125 public boolean canBlockStay(World par1World, int par2, int par3, int par4) 126 { 127 if (par1World.getBlockMaterial(par2 - 1, par3, par4).isSolid()) 128 { 129 return false; 130 } 131 else if (par1World.getBlockMaterial(par2 + 1, par3, par4).isSolid()) 132 { 133 return false; 134 } 135 else if (par1World.getBlockMaterial(par2, par3, par4 - 1).isSolid()) 136 { 137 return false; 138 } 139 else if (par1World.getBlockMaterial(par2, par3, par4 + 1).isSolid()) 140 { 141 return false; 142 } 143 else 144 { 145 int var5 = par1World.getBlockId(par2, par3 - 1, par4); 146 return var5 == Block.cactus.blockID || var5 == Block.sand.blockID; 147 } 148 } 149 150 /** 151 * Triggered whenever an entity collides with this block (enters into the block). Args: world, x, y, z, entity 152 */ 153 public void onEntityCollidedWithBlock(World par1World, int par2, int par3, int par4, Entity par5Entity) 154 { 155 par5Entity.attackEntityFrom(DamageSource.cactus, 1); 156 } 157 }