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.List;
006
007 public class ItemBlock extends Item
008 {
009 /** The block ID of the Block associated with this ItemBlock */
010 private int blockID;
011
012 public ItemBlock(int par1)
013 {
014 super(par1);
015 this.blockID = par1 + 256;
016 this.setIconIndex(Block.blocksList[par1 + 256].getBlockTextureFromSide(2));
017 isDefaultTexture = Block.blocksList[par1 + 256].isDefaultTexture;
018 }
019
020 /**
021 * Returns the blockID for this Item
022 */
023 public int getBlockID()
024 {
025 return this.blockID;
026 }
027
028 /**
029 * Callback for item usage. If the item does something special on right clicking, he will have one of those. Return
030 * True if something happen and false if it don't. This is for ITEMS, not BLOCKS
031 */
032 public boolean onItemUse(ItemStack par1ItemStack, EntityPlayer par2EntityPlayer, World par3World, int par4, int par5, int par6, int par7, float par8, float par9, float par10)
033 {
034 int var11 = par3World.getBlockId(par4, par5, par6);
035
036 if (var11 == Block.snow.blockID)
037 {
038 par7 = 1;
039 }
040 else if (var11 != Block.vine.blockID && var11 != Block.tallGrass.blockID && var11 != Block.deadBush.blockID
041 && (Block.blocksList[var11] == null || !Block.blocksList[var11].isBlockReplaceable(par3World, par4, par5, par6)))
042 {
043 if (par7 == 0)
044 {
045 --par5;
046 }
047
048 if (par7 == 1)
049 {
050 ++par5;
051 }
052
053 if (par7 == 2)
054 {
055 --par6;
056 }
057
058 if (par7 == 3)
059 {
060 ++par6;
061 }
062
063 if (par7 == 4)
064 {
065 --par4;
066 }
067
068 if (par7 == 5)
069 {
070 ++par4;
071 }
072 }
073
074 if (par1ItemStack.stackSize == 0)
075 {
076 return false;
077 }
078 else if (!par2EntityPlayer.func_82247_a(par4, par5, par6, par7, par1ItemStack))
079 {
080 return false;
081 }
082 else if (par5 == 255 && Block.blocksList[this.blockID].blockMaterial.isSolid())
083 {
084 return false;
085 }
086 else if (par3World.canPlaceEntityOnSide(this.blockID, par4, par5, par6, false, par7, par2EntityPlayer))
087 {
088 Block var12 = Block.blocksList[this.blockID];
089
090 if (placeBlockAt(par1ItemStack, par2EntityPlayer, par3World, par4, par5, par6, par7, par8, par9, par10))
091 {
092 par3World.playSoundEffect((double)((float)par4 + 0.5F), (double)((float)par5 + 0.5F), (double)((float)par6 + 0.5F), var12.stepSound.func_82593_b(), (var12.stepSound.getVolume() + 1.0F) / 2.0F, var12.stepSound.getPitch() * 0.8F);
093 --par1ItemStack.stackSize;
094 }
095
096 return true;
097 }
098 else
099 {
100 return false;
101 }
102 }
103
104 @SideOnly(Side.CLIENT)
105
106 /**
107 * Returns true if the given ItemBlock can be placed on the given side of the given block position.
108 */
109 public boolean canPlaceItemBlockOnSide(World par1World, int par2, int par3, int par4, int par5, EntityPlayer par6EntityPlayer, ItemStack par7ItemStack)
110 {
111 int var8 = par1World.getBlockId(par2, par3, par4);
112
113 if (var8 == Block.snow.blockID)
114 {
115 par5 = 1;
116 }
117 else if (var8 != Block.vine.blockID && var8 != Block.tallGrass.blockID && var8 != Block.deadBush.blockID
118 && (Block.blocksList[var8] == null || !Block.blocksList[var8].isBlockReplaceable(par1World, par2, par3, par4)))
119 {
120 if (par5 == 0)
121 {
122 --par3;
123 }
124
125 if (par5 == 1)
126 {
127 ++par3;
128 }
129
130 if (par5 == 2)
131 {
132 --par4;
133 }
134
135 if (par5 == 3)
136 {
137 ++par4;
138 }
139
140 if (par5 == 4)
141 {
142 --par2;
143 }
144
145 if (par5 == 5)
146 {
147 ++par2;
148 }
149 }
150
151 return par1World.canPlaceEntityOnSide(this.getBlockID(), par2, par3, par4, false, par5, (Entity)null);
152 }
153
154 public String getItemNameIS(ItemStack par1ItemStack)
155 {
156 return Block.blocksList[this.blockID].getBlockName();
157 }
158
159 public String getItemName()
160 {
161 return Block.blocksList[this.blockID].getBlockName();
162 }
163
164 @SideOnly(Side.CLIENT)
165
166 /**
167 * gets the CreativeTab this item is displayed on
168 */
169 public CreativeTabs getCreativeTab()
170 {
171 return Block.blocksList[this.blockID].getCreativeTabToDisplayOn();
172 }
173
174 @SideOnly(Side.CLIENT)
175
176 /**
177 * returns a list of items with the same ID, but different meta (eg: dye returns 16 items)
178 */
179 public void getSubItems(int par1, CreativeTabs par2CreativeTabs, List par3List)
180 {
181 Block.blocksList[this.blockID].getSubBlocks(par1, par2CreativeTabs, par3List);
182 }
183
184 /**
185 * Called to actually place the block, after the location is determined
186 * and all permission checks have been made.
187 *
188 * @param stack The item stack that was used to place the block. This can be changed inside the method.
189 * @param player The player who is placing the block. Can be null if the block is not being placed by a player.
190 * @param side The side the player (or machine) right-clicked on.
191 */
192 public boolean placeBlockAt(ItemStack stack, EntityPlayer player, World world, int x, int y, int z, int side, float hitX, float hitY, float hitZ)
193 {
194 if (!world.setBlockAndMetadataWithNotify(x, y, z, this.blockID, this.getMetadata(stack.getItemDamage())))
195 {
196 return false;
197 }
198
199 if (world.getBlockId(x, y, z) == this.blockID)
200 {
201 Block.blocksList[this.blockID].updateBlockMetadata(world, x, y, z, side, hitX, hitY, hitZ);
202 Block.blocksList[this.blockID].onBlockPlacedBy(world, x, y, z, player);
203 }
204
205 return true;
206 }
207 }