001 package net.minecraft.item;
002
003 import cpw.mods.fml.relauncher.Side;
004 import cpw.mods.fml.relauncher.SideOnly;
005 import net.minecraft.block.Block;
006 import net.minecraft.block.BlockHalfSlab;
007 import net.minecraft.entity.player.EntityPlayer;
008 import net.minecraft.world.World;
009
010 public class ItemSlab extends ItemBlock
011 {
012 private final boolean isFullBlock;
013
014 /** Instance of BlockHalfSlab. */
015 private final BlockHalfSlab theHalfSlab;
016
017 /** Instance of BlockHalfSlab. */
018 private final BlockHalfSlab theHalfSlab2;
019
020 public ItemSlab(int par1, BlockHalfSlab par2BlockHalfSlab, BlockHalfSlab par3BlockHalfSlab, boolean par4)
021 {
022 super(par1);
023 this.theHalfSlab = par2BlockHalfSlab;
024 this.theHalfSlab2 = par3BlockHalfSlab;
025 this.isFullBlock = par4;
026 this.setMaxDamage(0);
027 this.setHasSubtypes(true);
028 }
029
030 @SideOnly(Side.CLIENT)
031
032 /**
033 * Gets an icon index based on an item's damage value
034 */
035 public int getIconFromDamage(int par1)
036 {
037 return Block.blocksList[this.itemID].getBlockTextureFromSideAndMetadata(2, par1);
038 }
039
040 /**
041 * Returns the metadata of the block which this Item (ItemBlock) can place
042 */
043 public int getMetadata(int par1)
044 {
045 return par1;
046 }
047
048 public String getItemNameIS(ItemStack par1ItemStack)
049 {
050 return this.theHalfSlab.getFullSlabName(par1ItemStack.getItemDamage());
051 }
052
053 /**
054 * Callback for item usage. If the item does something special on right clicking, he will have one of those. Return
055 * True if something happen and false if it don't. This is for ITEMS, not BLOCKS
056 */
057 public boolean onItemUse(ItemStack par1ItemStack, EntityPlayer par2EntityPlayer, World par3World, int par4, int par5, int par6, int par7, float par8, float par9, float par10)
058 {
059 if (this.isFullBlock)
060 {
061 return super.onItemUse(par1ItemStack, par2EntityPlayer, par3World, par4, par5, par6, par7, par8, par9, par10);
062 }
063 else if (par1ItemStack.stackSize == 0)
064 {
065 return false;
066 }
067 else if (!par2EntityPlayer.canPlayerEdit(par4, par5, par6, par7, par1ItemStack))
068 {
069 return false;
070 }
071 else
072 {
073 int var11 = par3World.getBlockId(par4, par5, par6);
074 int var12 = par3World.getBlockMetadata(par4, par5, par6);
075 int var13 = var12 & 7;
076 boolean var14 = (var12 & 8) != 0;
077
078 if ((par7 == 1 && !var14 || par7 == 0 && var14) && var11 == this.theHalfSlab.blockID && var13 == par1ItemStack.getItemDamage())
079 {
080 if (par3World.checkIfAABBIsClear(this.theHalfSlab2.getCollisionBoundingBoxFromPool(par3World, par4, par5, par6)) && par3World.setBlockAndMetadataWithNotify(par4, par5, par6, this.theHalfSlab2.blockID, var13))
081 {
082 par3World.playSoundEffect((double)((float)par4 + 0.5F), (double)((float)par5 + 0.5F), (double)((float)par6 + 0.5F), this.theHalfSlab2.stepSound.getPlaceSound(), (this.theHalfSlab2.stepSound.getVolume() + 1.0F) / 2.0F, this.theHalfSlab2.stepSound.getPitch() * 0.8F);
083 --par1ItemStack.stackSize;
084 }
085
086 return true;
087 }
088 else
089 {
090 return this.func_77888_a(par1ItemStack, par2EntityPlayer, par3World, par4, par5, par6, par7) ? true : super.onItemUse(par1ItemStack, par2EntityPlayer, par3World, par4, par5, par6, par7, par8, par9, par10);
091 }
092 }
093 }
094
095 @SideOnly(Side.CLIENT)
096
097 /**
098 * Returns true if the given ItemBlock can be placed on the given side of the given block position.
099 */
100 public boolean canPlaceItemBlockOnSide(World par1World, int par2, int par3, int par4, int par5, EntityPlayer par6EntityPlayer, ItemStack par7ItemStack)
101 {
102 int var8 = par2;
103 int var9 = par3;
104 int var10 = par4;
105 int var11 = par1World.getBlockId(par2, par3, par4);
106 int var12 = par1World.getBlockMetadata(par2, par3, par4);
107 int var13 = var12 & 7;
108 boolean var14 = (var12 & 8) != 0;
109
110 if ((par5 == 1 && !var14 || par5 == 0 && var14) && var11 == this.theHalfSlab.blockID && var13 == par7ItemStack.getItemDamage())
111 {
112 return true;
113 }
114 else
115 {
116 if (par5 == 0)
117 {
118 --par3;
119 }
120
121 if (par5 == 1)
122 {
123 ++par3;
124 }
125
126 if (par5 == 2)
127 {
128 --par4;
129 }
130
131 if (par5 == 3)
132 {
133 ++par4;
134 }
135
136 if (par5 == 4)
137 {
138 --par2;
139 }
140
141 if (par5 == 5)
142 {
143 ++par2;
144 }
145
146 var11 = par1World.getBlockId(par2, par3, par4);
147 var12 = par1World.getBlockMetadata(par2, par3, par4);
148 var13 = var12 & 7;
149 var14 = (var12 & 8) != 0;
150 return var11 == this.theHalfSlab.blockID && var13 == par7ItemStack.getItemDamage() ? true : super.canPlaceItemBlockOnSide(par1World, var8, var9, var10, par5, par6EntityPlayer, par7ItemStack);
151 }
152 }
153
154 private boolean func_77888_a(ItemStack par1ItemStack, EntityPlayer par2EntityPlayer, World par3World, int par4, int par5, int par6, int par7)
155 {
156 if (par7 == 0)
157 {
158 --par5;
159 }
160
161 if (par7 == 1)
162 {
163 ++par5;
164 }
165
166 if (par7 == 2)
167 {
168 --par6;
169 }
170
171 if (par7 == 3)
172 {
173 ++par6;
174 }
175
176 if (par7 == 4)
177 {
178 --par4;
179 }
180
181 if (par7 == 5)
182 {
183 ++par4;
184 }
185
186 int var8 = par3World.getBlockId(par4, par5, par6);
187 int var9 = par3World.getBlockMetadata(par4, par5, par6);
188 int var10 = var9 & 7;
189
190 if (var8 == this.theHalfSlab.blockID && var10 == par1ItemStack.getItemDamage())
191 {
192 if (par3World.checkIfAABBIsClear(this.theHalfSlab2.getCollisionBoundingBoxFromPool(par3World, par4, par5, par6)) && par3World.setBlockAndMetadataWithNotify(par4, par5, par6, this.theHalfSlab2.blockID, var10))
193 {
194 par3World.playSoundEffect((double)((float)par4 + 0.5F), (double)((float)par5 + 0.5F), (double)((float)par6 + 0.5F), this.theHalfSlab2.stepSound.getPlaceSound(), (this.theHalfSlab2.stepSound.getVolume() + 1.0F) / 2.0F, this.theHalfSlab2.stepSound.getPitch() * 0.8F);
195 --par1ItemStack.stackSize;
196 }
197
198 return true;
199 }
200 else
201 {
202 return false;
203 }
204 }
205 }