001    package net.minecraft.block;
002    
003    import cpw.mods.fml.common.Side;
004    import cpw.mods.fml.common.asm.SideOnly;
005    import java.util.ArrayList;
006    import java.util.Random;
007    import net.minecraft.creativetab.CreativeTabs;
008    import net.minecraft.item.Item;
009    import net.minecraft.item.ItemStack;
010    import net.minecraft.world.IBlockAccess;
011    import net.minecraft.world.World;
012    
013    import net.minecraftforge.common.ForgeDirection;
014    
015    public class BlockStem extends BlockFlower
016    {
017        /** Defines if it is a Melon or a Pumpkin that the stem is producing. */
018        private Block fruitType;
019    
020        protected BlockStem(int par1, Block par2Block)
021        {
022            super(par1, 111);
023            this.fruitType = par2Block;
024            this.setTickRandomly(true);
025            float var3 = 0.125F;
026            this.setBlockBounds(0.5F - var3, 0.0F, 0.5F - var3, 0.5F + var3, 0.25F, 0.5F + var3);
027            this.setCreativeTab((CreativeTabs)null);
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                float var6 = this.getGrowthModifier(par1World, par2, par3, par4);
049    
050                if (par5Random.nextInt((int)(25.0F / var6) + 1) == 0)
051                {
052                    int var7 = par1World.getBlockMetadata(par2, par3, par4);
053    
054                    if (var7 < 7)
055                    {
056                        ++var7;
057                        par1World.setBlockMetadataWithNotify(par2, par3, par4, var7);
058                    }
059                    else
060                    {
061                        if (par1World.getBlockId(par2 - 1, par3, par4) == this.fruitType.blockID)
062                        {
063                            return;
064                        }
065    
066                        if (par1World.getBlockId(par2 + 1, par3, par4) == this.fruitType.blockID)
067                        {
068                            return;
069                        }
070    
071                        if (par1World.getBlockId(par2, par3, par4 - 1) == this.fruitType.blockID)
072                        {
073                            return;
074                        }
075    
076                        if (par1World.getBlockId(par2, par3, par4 + 1) == this.fruitType.blockID)
077                        {
078                            return;
079                        }
080    
081                        int var8 = par5Random.nextInt(4);
082                        int var9 = par2;
083                        int var10 = par4;
084    
085                        if (var8 == 0)
086                        {
087                            var9 = par2 - 1;
088                        }
089    
090                        if (var8 == 1)
091                        {
092                            ++var9;
093                        }
094    
095                        if (var8 == 2)
096                        {
097                            var10 = par4 - 1;
098                        }
099    
100                        if (var8 == 3)
101                        {
102                            ++var10;
103                        }
104    
105                        int var11 = par1World.getBlockId(var9, par3 - 1, var10);
106    
107                        boolean isSoil = (blocksList[var11] != null && blocksList[var11].canSustainPlant(par1World, var9, par3 - 1, var10, ForgeDirection.UP, this));
108                        if (par1World.getBlockId(var9, par3, var10) == 0 && (isSoil || var11 == Block.dirt.blockID || var11 == Block.grass.blockID))
109                        {
110                            par1World.setBlockWithNotify(var9, par3, var10, this.fruitType.blockID);
111                        }
112                    }
113                }
114            }
115        }
116    
117        public void fertilizeStem(World par1World, int par2, int par3, int par4)
118        {
119            par1World.setBlockMetadataWithNotify(par2, par3, par4, 7);
120        }
121    
122        private float getGrowthModifier(World par1World, int par2, int par3, int par4)
123        {
124            float var5 = 1.0F;
125            int var6 = par1World.getBlockId(par2, par3, par4 - 1);
126            int var7 = par1World.getBlockId(par2, par3, par4 + 1);
127            int var8 = par1World.getBlockId(par2 - 1, par3, par4);
128            int var9 = par1World.getBlockId(par2 + 1, par3, par4);
129            int var10 = par1World.getBlockId(par2 - 1, par3, par4 - 1);
130            int var11 = par1World.getBlockId(par2 + 1, par3, par4 - 1);
131            int var12 = par1World.getBlockId(par2 + 1, par3, par4 + 1);
132            int var13 = par1World.getBlockId(par2 - 1, par3, par4 + 1);
133            boolean var14 = var8 == this.blockID || var9 == this.blockID;
134            boolean var15 = var6 == this.blockID || var7 == this.blockID;
135            boolean var16 = var10 == this.blockID || var11 == this.blockID || var12 == this.blockID || var13 == this.blockID;
136    
137            for (int var17 = par2 - 1; var17 <= par2 + 1; ++var17)
138            {
139                for (int var18 = par4 - 1; var18 <= par4 + 1; ++var18)
140                {
141                    int var19 = par1World.getBlockId(var17, par3 - 1, var18);
142                    float var20 = 0.0F;
143    
144                    if (blocksList[var19] != null && blocksList[var19].canSustainPlant(par1World, var17, par3 - 1, var18, ForgeDirection.UP, this))
145                    {
146                        var20 = 1.0F;
147    
148                        if (blocksList[var19].isFertile(par1World, var17, par3 - 1, var18))
149                        {
150                            var20 = 3.0F;
151                        }
152                    }
153    
154                    if (var17 != par2 || var18 != par4)
155                    {
156                        var20 /= 4.0F;
157                    }
158    
159                    var5 += var20;
160                }
161            }
162    
163            if (var16 || var14 && var15)
164            {
165                var5 /= 2.0F;
166            }
167    
168            return var5;
169        }
170    
171        @SideOnly(Side.CLIENT)
172    
173        /**
174         * Returns the color this block should be rendered. Used by leaves.
175         */
176        public int getRenderColor(int par1)
177        {
178            int var2 = par1 * 32;
179            int var3 = 255 - par1 * 8;
180            int var4 = par1 * 4;
181            return var2 << 16 | var3 << 8 | var4;
182        }
183    
184        @SideOnly(Side.CLIENT)
185    
186        /**
187         * Returns a integer with hex for 0xrrggbb with this color multiplied against the blocks color. Note only called
188         * when first determining what to render.
189         */
190        public int colorMultiplier(IBlockAccess par1IBlockAccess, int par2, int par3, int par4)
191        {
192            return this.getRenderColor(par1IBlockAccess.getBlockMetadata(par2, par3, par4));
193        }
194    
195        /**
196         * From the specified side and block metadata retrieves the blocks texture. Args: side, metadata
197         */
198        public int getBlockTextureFromSideAndMetadata(int par1, int par2)
199        {
200            return this.blockIndexInTexture;
201        }
202    
203        /**
204         * Sets the block's bounds for rendering it as an item
205         */
206        public void setBlockBoundsForItemRender()
207        {
208            float var1 = 0.125F;
209            this.setBlockBounds(0.5F - var1, 0.0F, 0.5F - var1, 0.5F + var1, 0.25F, 0.5F + var1);
210        }
211    
212        /**
213         * Updates the blocks bounds based on its current state. Args: world, x, y, z
214         */
215        public void setBlockBoundsBasedOnState(IBlockAccess par1IBlockAccess, int par2, int par3, int par4)
216        {
217            this.maxY = (double)((float)(par1IBlockAccess.getBlockMetadata(par2, par3, par4) * 2 + 2) / 16.0F);
218            float var5 = 0.125F;
219            this.setBlockBounds(0.5F - var5, 0.0F, 0.5F - var5, 0.5F + var5, (float)this.maxY, 0.5F + var5);
220        }
221    
222        /**
223         * The type of render function that is called for this block
224         */
225        public int getRenderType()
226        {
227            return 19;
228        }
229    
230        @SideOnly(Side.CLIENT)
231    
232        /**
233         * Returns the current state of the stem. Returns -1 if the stem is not fully grown, or a value between 0 and 3
234         * based on the direction the stem is facing.
235         */
236        public int getState(IBlockAccess par1IBlockAccess, int par2, int par3, int par4)
237        {
238            int var5 = par1IBlockAccess.getBlockMetadata(par2, par3, par4);
239            return var5 < 7 ? -1 : (par1IBlockAccess.getBlockId(par2 - 1, par3, par4) == this.fruitType.blockID ? 0 : (par1IBlockAccess.getBlockId(par2 + 1, par3, par4) == this.fruitType.blockID ? 1 : (par1IBlockAccess.getBlockId(par2, par3, par4 - 1) == this.fruitType.blockID ? 2 : (par1IBlockAccess.getBlockId(par2, par3, par4 + 1) == this.fruitType.blockID ? 3 : -1))));
240        }
241    
242        /**
243         * Drops the block items with a specified chance of dropping the specified items
244         */
245        public void dropBlockAsItemWithChance(World par1World, int par2, int par3, int par4, int par5, float par6, int par7)
246        {
247            super.dropBlockAsItemWithChance(par1World, par2, par3, par4, par5, par6, par7);
248        }
249    
250        @Override 
251        public ArrayList<ItemStack> getBlockDropped(World world, int x, int y, int z, int metadata, int fortune)
252        {
253            ArrayList<ItemStack> ret = new ArrayList<ItemStack>();
254    
255            for (int i = 0; i < 3; i++)
256            {
257                if (world.rand.nextInt(15) <= metadata)
258                {
259                    ret.add(new ItemStack(fruitType == pumpkin ? Item.pumpkinSeeds : Item.melonSeeds));
260                }
261            }
262    
263            return ret;
264        }
265    
266        /**
267         * Returns the ID of the items to drop on destruction.
268         */
269        public int idDropped(int par1, Random par2Random, int par3)
270        {
271            return -1;
272        }
273    
274        /**
275         * Returns the quantity of items to drop on block destruction.
276         */
277        public int quantityDropped(Random par1Random)
278        {
279            return 1;
280        }
281    
282        @SideOnly(Side.CLIENT)
283    
284        /**
285         * only called by clickMiddleMouseButton , and passed to inventory.setCurrentItem (along with isCreative)
286         */
287        public int idPicked(World par1World, int par2, int par3, int par4)
288        {
289            return this.fruitType == Block.pumpkin ? Item.pumpkinSeeds.shiftedIndex : (this.fruitType == Block.melon ? Item.melonSeeds.shiftedIndex : 0);
290        }
291    }