001    package net.minecraft.src;
002    
003    import cpw.mods.fml.common.Side;
004    import cpw.mods.fml.common.asm.SideOnly;
005    
006    import java.util.ArrayList;
007    import java.util.Random;
008    
009    import net.minecraftforge.common.ForgeDirection;
010    
011    public class BlockCrops extends BlockFlower
012    {
013        protected BlockCrops(int par1, int par2)
014        {
015            super(par1, par2);
016            this.blockIndexInTexture = par2;
017            this.setTickRandomly(true);
018            float var3 = 0.5F;
019            this.setBlockBounds(0.5F - var3, 0.0F, 0.5F - var3, 0.5F + var3, 0.25F, 0.5F + var3);
020            this.setCreativeTab((CreativeTabs)null);
021            this.setHardness(0.0F);
022            this.setStepSound(soundGrassFootstep);
023            this.disableStats();
024            this.setRequiresSelfNotify();
025        }
026    
027        /**
028         * Gets passed in the blockID of the block below and supposed to return true if its allowed to grow on the type of
029         * blockID passed in. Args: blockID
030         */
031        protected boolean canThisPlantGrowOnThisBlockID(int par1)
032        {
033            return par1 == Block.tilledField.blockID;
034        }
035    
036        /**
037         * Ticks the block if it's been scheduled
038         */
039        public void updateTick(World par1World, int par2, int par3, int par4, Random par5Random)
040        {
041            super.updateTick(par1World, par2, par3, par4, par5Random);
042    
043            if (par1World.getBlockLightValue(par2, par3 + 1, par4) >= 9)
044            {
045                int var6 = par1World.getBlockMetadata(par2, par3, par4);
046    
047                if (var6 < 7)
048                {
049                    float var7 = this.getGrowthRate(par1World, par2, par3, par4);
050    
051                    if (par5Random.nextInt((int)(25.0F / var7) + 1) == 0)
052                    {
053                        ++var6;
054                        par1World.setBlockMetadataWithNotify(par2, par3, par4, var6);
055                    }
056                }
057            }
058        }
059    
060        /**
061         * Apply bonemeal to the crops.
062         */
063        public void fertilize(World par1World, int par2, int par3, int par4)
064        {
065            par1World.setBlockMetadataWithNotify(par2, par3, par4, 7);
066        }
067    
068        /**
069         * Gets the growth rate for the crop. Setup to encourage rows by halving growth rate if there is diagonals, crops on
070         * different sides that aren't opposing, and by adding growth for every crop next to this one (and for crop below
071         * this one). Args: x, y, z
072         */
073        private float getGrowthRate(World par1World, int par2, int par3, int par4)
074        {
075            float var5 = 1.0F;
076            int var6 = par1World.getBlockId(par2, par3, par4 - 1);
077            int var7 = par1World.getBlockId(par2, par3, par4 + 1);
078            int var8 = par1World.getBlockId(par2 - 1, par3, par4);
079            int var9 = par1World.getBlockId(par2 + 1, par3, par4);
080            int var10 = par1World.getBlockId(par2 - 1, par3, par4 - 1);
081            int var11 = par1World.getBlockId(par2 + 1, par3, par4 - 1);
082            int var12 = par1World.getBlockId(par2 + 1, par3, par4 + 1);
083            int var13 = par1World.getBlockId(par2 - 1, par3, par4 + 1);
084            boolean var14 = var8 == this.blockID || var9 == this.blockID;
085            boolean var15 = var6 == this.blockID || var7 == this.blockID;
086            boolean var16 = var10 == this.blockID || var11 == this.blockID || var12 == this.blockID || var13 == this.blockID;
087    
088            for (int var17 = par2 - 1; var17 <= par2 + 1; ++var17)
089            {
090                for (int var18 = par4 - 1; var18 <= par4 + 1; ++var18)
091                {
092                    int var19 = par1World.getBlockId(var17, par3 - 1, var18);
093                    float var20 = 0.0F;
094    
095                    if (blocksList[var19] != null && blocksList[var19].canSustainPlant(par1World, var17, par3 - 1, var18, ForgeDirection.UP, this))
096                    {
097                        var20 = 1.0F;
098    
099                        if (blocksList[var19].isFertile(par1World, var17, par3 - 1, var18))
100                        {
101                            var20 = 3.0F;
102                        }
103                    }
104    
105                    if (var17 != par2 || var18 != par4)
106                    {
107                        var20 /= 4.0F;
108                    }
109    
110                    var5 += var20;
111                }
112            }
113    
114            if (var16 || var14 && var15)
115            {
116                var5 /= 2.0F;
117            }
118    
119            return var5;
120        }
121    
122        /**
123         * From the specified side and block metadata retrieves the blocks texture. Args: side, metadata
124         */
125        public int getBlockTextureFromSideAndMetadata(int par1, int par2)
126        {
127            if (par2 < 0)
128            {
129                par2 = 7;
130            }
131    
132            return this.blockIndexInTexture + par2;
133        }
134    
135        /**
136         * The type of render function that is called for this block
137         */
138        public int getRenderType()
139        {
140            return 6;
141        }
142    
143        /**
144         * Generate a seed ItemStack for this crop.
145         */
146        protected int getSeedItem()
147        {
148            return Item.seeds.shiftedIndex;
149        }
150    
151        /**
152         * Generate a crop produce ItemStack for this crop.
153         */
154        protected int getCropItem()
155        {
156            return Item.wheat.shiftedIndex;
157        }
158    
159        /**
160         * Drops the block items with a specified chance of dropping the specified items
161         */
162        public void dropBlockAsItemWithChance(World par1World, int par2, int par3, int par4, int par5, float par6, int par7)
163        {
164            super.dropBlockAsItemWithChance(par1World, par2, par3, par4, par5, par6, 0);
165        }
166    
167        @Override 
168        public ArrayList<ItemStack> getBlockDropped(World world, int x, int y, int z, int metadata, int fortune)
169        {
170            ArrayList<ItemStack> ret = new ArrayList<ItemStack>();
171            if (metadata == 7)
172            {      
173                int count = quantityDropped(metadata, fortune, world.rand);
174                for(int i = 0; i < count; i++)
175                {
176                    int id = idDropped(metadata, world.rand, 0);
177                    if (id > 0)
178                    {
179                        ret.add(new ItemStack(id, 1, damageDropped(metadata)));
180                    }
181                }
182            }
183    
184            if (metadata >= 7)
185            {
186                for (int n = 0; n < 3 + fortune; n++)
187                {
188                    if (world.rand.nextInt(15) <= metadata)
189                    {
190                        ret.add(new ItemStack(this.getSeedItem(), 1, 0));
191                    }
192                }
193            }
194    
195            return ret;
196        }
197    
198        /**
199         * Returns the ID of the items to drop on destruction.
200         */
201        public int idDropped(int par1, Random par2Random, int par3)
202        {
203            return par1 == 7 ? this.getCropItem() : this.getSeedItem();
204        }
205    
206        /**
207         * Returns the quantity of items to drop on block destruction.
208         */
209        public int quantityDropped(Random par1Random)
210        {
211            return 1;
212        }
213    
214        @SideOnly(Side.CLIENT)
215    
216        /**
217         * only called by clickMiddleMouseButton , and passed to inventory.setCurrentItem (along with isCreative)
218         */
219        public int idPicked(World par1World, int par2, int par3, int par4)
220        {
221            return this.getSeedItem();
222        }
223    }