001    package net.minecraft.block;
002    
003    import cpw.mods.fml.relauncher.Side;
004    import cpw.mods.fml.relauncher.SideOnly;
005    
006    import java.util.ArrayList;
007    import java.util.Random;
008    import net.minecraft.creativetab.CreativeTabs;
009    import net.minecraft.item.Item;
010    import net.minecraft.item.ItemStack;
011    import net.minecraft.world.World;
012    import net.minecraftforge.common.ForgeDirection;
013    
014    public class BlockCrops extends BlockFlower
015    {
016        protected BlockCrops(int par1, int par2)
017        {
018            super(par1, par2);
019            this.blockIndexInTexture = par2;
020            this.setTickRandomly(true);
021            float var3 = 0.5F;
022            this.setBlockBounds(0.5F - var3, 0.0F, 0.5F - var3, 0.5F + var3, 0.25F, 0.5F + var3);
023            this.setCreativeTab((CreativeTabs)null);
024            this.setHardness(0.0F);
025            this.setStepSound(soundGrassFootstep);
026            this.disableStats();
027            this.setRequiresSelfNotify();
028        }
029    
030        /**
031         * Gets passed in the blockID of the block below and supposed to return true if its allowed to grow on the type of
032         * blockID passed in. Args: blockID
033         */
034        protected boolean canThisPlantGrowOnThisBlockID(int par1)
035        {
036            return par1 == Block.tilledField.blockID;
037        }
038    
039        /**
040         * Ticks the block if it's been scheduled
041         */
042        public void updateTick(World par1World, int par2, int par3, int par4, Random par5Random)
043        {
044            super.updateTick(par1World, par2, par3, par4, par5Random);
045    
046            if (par1World.getBlockLightValue(par2, par3 + 1, par4) >= 9)
047            {
048                int var6 = par1World.getBlockMetadata(par2, par3, par4);
049    
050                if (var6 < 7)
051                {
052                    float var7 = this.getGrowthRate(par1World, par2, par3, par4);
053    
054                    if (par5Random.nextInt((int)(25.0F / var7) + 1) == 0)
055                    {
056                        ++var6;
057                        par1World.setBlockMetadataWithNotify(par2, par3, par4, var6);
058                    }
059                }
060            }
061        }
062    
063        /**
064         * Apply bonemeal to the crops.
065         */
066        public void fertilize(World par1World, int par2, int par3, int par4)
067        {
068            par1World.setBlockMetadataWithNotify(par2, par3, par4, 7);
069        }
070    
071        /**
072         * Gets the growth rate for the crop. Setup to encourage rows by halving growth rate if there is diagonals, crops on
073         * different sides that aren't opposing, and by adding growth for every crop next to this one (and for crop below
074         * this one). Args: x, y, z
075         */
076        private float getGrowthRate(World par1World, int par2, int par3, int par4)
077        {
078            float var5 = 1.0F;
079            int var6 = par1World.getBlockId(par2, par3, par4 - 1);
080            int var7 = par1World.getBlockId(par2, par3, par4 + 1);
081            int var8 = par1World.getBlockId(par2 - 1, par3, par4);
082            int var9 = par1World.getBlockId(par2 + 1, par3, par4);
083            int var10 = par1World.getBlockId(par2 - 1, par3, par4 - 1);
084            int var11 = par1World.getBlockId(par2 + 1, par3, par4 - 1);
085            int var12 = par1World.getBlockId(par2 + 1, par3, par4 + 1);
086            int var13 = par1World.getBlockId(par2 - 1, par3, par4 + 1);
087            boolean var14 = var8 == this.blockID || var9 == this.blockID;
088            boolean var15 = var6 == this.blockID || var7 == this.blockID;
089            boolean var16 = var10 == this.blockID || var11 == this.blockID || var12 == this.blockID || var13 == this.blockID;
090    
091            for (int var17 = par2 - 1; var17 <= par2 + 1; ++var17)
092            {
093                for (int var18 = par4 - 1; var18 <= par4 + 1; ++var18)
094                {
095                    int var19 = par1World.getBlockId(var17, par3 - 1, var18);
096                    float var20 = 0.0F;
097    
098                    if (blocksList[var19] != null && blocksList[var19].canSustainPlant(par1World, var17, par3 - 1, var18, ForgeDirection.UP, this))
099                    {
100                        var20 = 1.0F;
101    
102                        if (blocksList[var19].isFertile(par1World, var17, par3 - 1, var18))
103                        {
104                            var20 = 3.0F;
105                        }
106                    }
107    
108                    if (var17 != par2 || var18 != par4)
109                    {
110                        var20 /= 4.0F;
111                    }
112    
113                    var5 += var20;
114                }
115            }
116    
117            if (var16 || var14 && var15)
118            {
119                var5 /= 2.0F;
120            }
121    
122            return var5;
123        }
124    
125        /**
126         * From the specified side and block metadata retrieves the blocks texture. Args: side, metadata
127         */
128        public int getBlockTextureFromSideAndMetadata(int par1, int par2)
129        {
130            if (par2 < 0)
131            {
132                par2 = 7;
133            }
134    
135            return this.blockIndexInTexture + par2;
136        }
137    
138        /**
139         * The type of render function that is called for this block
140         */
141        public int getRenderType()
142        {
143            return 6;
144        }
145    
146        /**
147         * Generate a seed ItemStack for this crop.
148         */
149        protected int getSeedItem()
150        {
151            return Item.seeds.itemID;
152        }
153    
154        /**
155         * Generate a crop produce ItemStack for this crop.
156         */
157        protected int getCropItem()
158        {
159            return Item.wheat.itemID;
160        }
161    
162        /**
163         * Drops the block items with a specified chance of dropping the specified items
164         */
165        public void dropBlockAsItemWithChance(World par1World, int par2, int par3, int par4, int par5, float par6, int par7)
166        {
167            super.dropBlockAsItemWithChance(par1World, par2, par3, par4, par5, par6, 0);
168        }
169    
170        @Override 
171        public ArrayList<ItemStack> getBlockDropped(World world, int x, int y, int z, int metadata, int fortune)
172        {
173            ArrayList<ItemStack> ret = super.getBlockDropped(world, x, y, z, metadata, fortune);
174    
175            if (metadata >= 7)
176            {
177                for (int n = 0; n < 3 + fortune; n++)
178                {
179                    if (world.rand.nextInt(15) <= metadata)
180                    {
181                        ret.add(new ItemStack(this.getSeedItem(), 1, 0));
182                    }
183                }
184            }
185    
186            return ret;
187        }
188    
189        /**
190         * Returns the ID of the items to drop on destruction.
191         */
192        public int idDropped(int par1, Random par2Random, int par3)
193        {
194            return par1 == 7 ? this.getCropItem() : this.getSeedItem();
195        }
196    
197        /**
198         * Returns the quantity of items to drop on block destruction.
199         */
200        public int quantityDropped(Random par1Random)
201        {
202            return 1;
203        }
204    
205        @SideOnly(Side.CLIENT)
206    
207        /**
208         * only called by clickMiddleMouseButton , and passed to inventory.setCurrentItem (along with isCreative)
209         */
210        public int idPicked(World par1World, int par2, int par3, int par4)
211        {
212            return this.getSeedItem();
213        }
214    }