001    package net.minecraft.src;
002    
003    import java.util.Random;
004    
005    import net.minecraftforge.common.EnumPlantType;
006    import net.minecraftforge.common.ForgeDirection;
007    import net.minecraftforge.common.IPlantable;
008    import static net.minecraftforge.common.EnumPlantType.*;
009    
010    public class BlockFlower extends Block implements IPlantable
011    {
012        protected BlockFlower(int par1, int par2, Material par3Material)
013        {
014            super(par1, par3Material);
015            this.blockIndexInTexture = par2;
016            this.setTickRandomly(true);
017            float var4 = 0.2F;
018            this.setBlockBounds(0.5F - var4, 0.0F, 0.5F - var4, 0.5F + var4, var4 * 3.0F, 0.5F + var4);
019            this.setCreativeTab(CreativeTabs.tabDecorations);
020        }
021    
022        protected BlockFlower(int par1, int par2)
023        {
024            this(par1, par2, Material.plants);
025        }
026    
027        /**
028         * Checks to see if its valid to put this block at the specified coordinates. Args: world, x, y, z
029         */
030        public boolean canPlaceBlockAt(World par1World, int par2, int par3, int par4)
031        {
032            return super.canPlaceBlockAt(par1World, par2, par3, par4) && canBlockStay(par1World, par2, par3, par4);
033        }
034    
035        /**
036         * Gets passed in the blockID of the block below and supposed to return true if its allowed to grow on the type of
037         * blockID passed in. Args: blockID
038         */
039        protected boolean canThisPlantGrowOnThisBlockID(int par1)
040        {
041            return par1 == Block.grass.blockID || par1 == Block.dirt.blockID || par1 == Block.tilledField.blockID;
042        }
043    
044        /**
045         * Lets the block know when one of its neighbor changes. Doesn't know which neighbor changed (coordinates passed are
046         * their own) Args: x, y, z, neighbor blockID
047         */
048        public void onNeighborBlockChange(World par1World, int par2, int par3, int par4, int par5)
049        {
050            super.onNeighborBlockChange(par1World, par2, par3, par4, par5);
051            this.checkFlowerChange(par1World, par2, par3, par4);
052        }
053    
054        /**
055         * Ticks the block if it's been scheduled
056         */
057        public void updateTick(World par1World, int par2, int par3, int par4, Random par5Random)
058        {
059            this.checkFlowerChange(par1World, par2, par3, par4);
060        }
061    
062        protected final void checkFlowerChange(World par1World, int par2, int par3, int par4)
063        {
064            if (!this.canBlockStay(par1World, par2, par3, par4))
065            {
066                this.dropBlockAsItem(par1World, par2, par3, par4, par1World.getBlockMetadata(par2, par3, par4), 0);
067                par1World.setBlockWithNotify(par2, par3, par4, 0);
068            }
069        }
070    
071        /**
072         * Can this block stay at this position.  Similar to canPlaceBlockAt except gets checked often with plants.
073         */
074        public boolean canBlockStay(World par1World, int par2, int par3, int par4)
075        {
076            Block soil = blocksList[par1World.getBlockId(par2, par3 - 1, par4)];
077            return (par1World.getFullBlockLightValue(par2, par3, par4) >= 8 || par1World.canBlockSeeTheSky(par2, par3, par4)) && 
078                    (soil != null && soil.canSustainPlant(par1World, par2, par3 - 1, par4, ForgeDirection.UP, this));
079        }
080    
081        /**
082         * Returns a bounding box from the pool of bounding boxes (this means this box can change after the pool has been
083         * cleared to be reused)
084         */
085        public AxisAlignedBB getCollisionBoundingBoxFromPool(World par1World, int par2, int par3, int par4)
086        {
087            return null;
088        }
089    
090        /**
091         * Is this block (a) opaque and (b) a full 1m cube?  This determines whether or not to render the shared face of two
092         * adjacent blocks and also whether the player can attach torches, redstone wire, etc to this block.
093         */
094        public boolean isOpaqueCube()
095        {
096            return false;
097        }
098    
099        /**
100         * If this block doesn't render as an ordinary block it will return False (examples: signs, buttons, stairs, etc)
101         */
102        public boolean renderAsNormalBlock()
103        {
104            return false;
105        }
106    
107        /**
108         * The type of render function that is called for this block
109         */
110        public int getRenderType()
111        {
112            return 1;
113        }
114    
115        @Override
116        public EnumPlantType getPlantType(World world, int x, int y, int z)
117        {
118            if (blockID == crops.blockID        ) return Crop;
119            if (blockID == deadBush.blockID     ) return Desert;
120            if (blockID == waterlily.blockID    ) return Water;
121            if (blockID == mushroomRed.blockID  ) return Cave;
122            if (blockID == mushroomBrown.blockID) return Cave;
123            if (blockID == netherStalk.blockID  ) return Nether;
124            if (blockID == sapling.blockID      ) return Plains;
125            if (blockID == melonStem.blockID    ) return Crop;
126            if (blockID == pumpkinStem.blockID  ) return Crop;
127            if (blockID == tallGrass.blockID    ) return Plains;
128            return Plains;
129        }
130    
131        @Override
132        public int getPlantID(World world, int x, int y, int z)
133        {
134            return blockID;
135        }
136    
137        @Override
138        public int getPlantMetadata(World world, int x, int y, int z)
139        {
140            return world.getBlockMetadata(x, y, z);
141        }
142    }