001 package net.minecraft.item;
002
003 import cpw.mods.fml.relauncher.Side;
004 import cpw.mods.fml.relauncher.SideOnly;
005 import java.util.List;
006 import net.minecraft.block.Block;
007 import net.minecraft.creativetab.CreativeTabs;
008 import net.minecraft.entity.Entity;
009 import net.minecraft.entity.player.EntityPlayer;
010 import net.minecraft.world.World;
011
012 public class ItemBlock extends Item
013 {
014 /** The block ID of the Block associated with this ItemBlock */
015 private int blockID;
016
017 public ItemBlock(int par1)
018 {
019 super(par1);
020 this.blockID = par1 + 256;
021 this.setIconIndex(Block.blocksList[par1 + 256].getBlockTextureFromSide(2));
022 isDefaultTexture = Block.blocksList[par1 + 256].isDefaultTexture;
023 }
024
025 /**
026 * Returns the blockID for this Item
027 */
028 public int getBlockID()
029 {
030 return this.blockID;
031 }
032
033 /**
034 * Callback for item usage. If the item does something special on right clicking, he will have one of those. Return
035 * True if something happen and false if it don't. This is for ITEMS, not BLOCKS
036 */
037 public boolean onItemUse(ItemStack par1ItemStack, EntityPlayer par2EntityPlayer, World par3World, int par4, int par5, int par6, int par7, float par8, float par9, float par10)
038 {
039 int var11 = par3World.getBlockId(par4, par5, par6);
040
041 if (var11 == Block.snow.blockID)
042 {
043 par7 = 1;
044 }
045 else if (var11 != Block.vine.blockID && var11 != Block.tallGrass.blockID && var11 != Block.deadBush.blockID
046 && (Block.blocksList[var11] == null || !Block.blocksList[var11].isBlockReplaceable(par3World, par4, par5, par6)))
047 {
048 if (par7 == 0)
049 {
050 --par5;
051 }
052
053 if (par7 == 1)
054 {
055 ++par5;
056 }
057
058 if (par7 == 2)
059 {
060 --par6;
061 }
062
063 if (par7 == 3)
064 {
065 ++par6;
066 }
067
068 if (par7 == 4)
069 {
070 --par4;
071 }
072
073 if (par7 == 5)
074 {
075 ++par4;
076 }
077 }
078
079 if (par1ItemStack.stackSize == 0)
080 {
081 return false;
082 }
083 else if (!par2EntityPlayer.canPlayerEdit(par4, par5, par6, par7, par1ItemStack))
084 {
085 return false;
086 }
087 else if (par5 == 255 && Block.blocksList[this.blockID].blockMaterial.isSolid())
088 {
089 return false;
090 }
091 else if (par3World.canPlaceEntityOnSide(this.blockID, par4, par5, par6, false, par7, par2EntityPlayer))
092 {
093 Block var12 = Block.blocksList[this.blockID];
094 int var13 = this.getMetadata(par1ItemStack.getItemDamage());
095 int var14 = Block.blocksList[this.blockID].onBlockPlaced(par3World, par4, par5, par6, par7, par8, par9, par10, var13);
096
097 if (placeBlockAt(par1ItemStack, par2EntityPlayer, par3World, par4, par5, par6, par7, par8, par9, par10, var14))
098 {
099 par3World.playSoundEffect((double)((float)par4 + 0.5F), (double)((float)par5 + 0.5F), (double)((float)par6 + 0.5F), var12.stepSound.getPlaceSound(), (var12.stepSound.getVolume() + 1.0F) / 2.0F, var12.stepSound.getPitch() * 0.8F);
100 --par1ItemStack.stackSize;
101 }
102
103 return true;
104 }
105 else
106 {
107 return false;
108 }
109 }
110
111 @SideOnly(Side.CLIENT)
112
113 /**
114 * Returns true if the given ItemBlock can be placed on the given side of the given block position.
115 */
116 public boolean canPlaceItemBlockOnSide(World par1World, int par2, int par3, int par4, int par5, EntityPlayer par6EntityPlayer, ItemStack par7ItemStack)
117 {
118 int var8 = par1World.getBlockId(par2, par3, par4);
119
120 if (var8 == Block.snow.blockID)
121 {
122 par5 = 1;
123 }
124 else if (var8 != Block.vine.blockID && var8 != Block.tallGrass.blockID && var8 != Block.deadBush.blockID
125 && (Block.blocksList[var8] == null || !Block.blocksList[var8].isBlockReplaceable(par1World, par2, par3, par4)))
126 {
127 if (par5 == 0)
128 {
129 --par3;
130 }
131
132 if (par5 == 1)
133 {
134 ++par3;
135 }
136
137 if (par5 == 2)
138 {
139 --par4;
140 }
141
142 if (par5 == 3)
143 {
144 ++par4;
145 }
146
147 if (par5 == 4)
148 {
149 --par2;
150 }
151
152 if (par5 == 5)
153 {
154 ++par2;
155 }
156 }
157
158 return par1World.canPlaceEntityOnSide(this.getBlockID(), par2, par3, par4, false, par5, (Entity)null);
159 }
160
161 public String getItemNameIS(ItemStack par1ItemStack)
162 {
163 return Block.blocksList[this.blockID].getBlockName();
164 }
165
166 public String getItemName()
167 {
168 return Block.blocksList[this.blockID].getBlockName();
169 }
170
171 @SideOnly(Side.CLIENT)
172
173 /**
174 * gets the CreativeTab this item is displayed on
175 */
176 public CreativeTabs getCreativeTab()
177 {
178 return Block.blocksList[this.blockID].getCreativeTabToDisplayOn();
179 }
180
181 @SideOnly(Side.CLIENT)
182
183 /**
184 * returns a list of items with the same ID, but different meta (eg: dye returns 16 items)
185 */
186 public void getSubItems(int par1, CreativeTabs par2CreativeTabs, List par3List)
187 {
188 Block.blocksList[this.blockID].getSubBlocks(par1, par2CreativeTabs, par3List);
189 }
190
191 /**
192 * Called to actually place the block, after the location is determined
193 * and all permission checks have been made.
194 *
195 * @param stack The item stack that was used to place the block. This can be changed inside the method.
196 * @param player The player who is placing the block. Can be null if the block is not being placed by a player.
197 * @param side The side the player (or machine) right-clicked on.
198 */
199 public boolean placeBlockAt(ItemStack stack, EntityPlayer player, World world, int x, int y, int z, int side, float hitX, float hitY, float hitZ, int metadata)
200 {
201 if (!world.setBlockAndMetadataWithNotify(x, y, z, this.blockID, metadata))
202 {
203 return false;
204 }
205
206 if (world.getBlockId(x, y, z) == this.blockID)
207 {
208 Block.blocksList[this.blockID].onBlockPlacedBy(world, x, y, z, player);
209 Block.blocksList[this.blockID].onPostBlockPlaced(world, x, y, z, metadata);
210 }
211
212 return true;
213 }
214 }