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src/main/java/net/minecraft/src/BlockSnow.java

@@ -0,0 +1,163 @@
+package net.minecraft.src;
+
+import java.util.Random;
+
+public class BlockSnow extends Block
+{
+    protected BlockSnow(int par1)
+    {
+        super(par1, Material.snow);
+        this.setBlockBounds(0.0F, 0.0F, 0.0F, 1.0F, 0.125F, 1.0F);
+        this.setTickRandomly(true);
+        this.setCreativeTab(CreativeTabs.tabDecorations);
+        this.setBlockBoundsForSnowDepth(0);
+    }
+
+    /**
+     * When this method is called, your block should register all the icons it needs with the given IconRegister. This
+     * is the only chance you get to register icons.
+     */
+    public void registerIcons(IconRegister par1IconRegister)
+    {
+        this.blockIcon = par1IconRegister.registerIcon("snow");
+    }
+
+    /**
+     * Returns a bounding box from the pool of bounding boxes (this means this box can change after the pool has been
+     * cleared to be reused)
+     */
+    public AxisAlignedBB getCollisionBoundingBoxFromPool(World par1World, int par2, int par3, int par4)
+    {
+        int var5 = par1World.getBlockMetadata(par2, par3, par4) & 7;
+        float var6 = 0.125F;
+        return AxisAlignedBB.getAABBPool().getAABB((double)par2 + this.minX, (double)par3 + this.minY, (double)par4 + this.minZ, (double)par2 + this.maxX, (double)((float)par3 + (float)var5 * var6), (double)par4 + this.maxZ);
+    }
+
+    /**
+     * Is this block (a) opaque and (b) a full 1m cube?  This determines whether or not to render the shared face of two
+     * adjacent blocks and also whether the player can attach torches, redstone wire, etc to this block.
+     */
+    public boolean isOpaqueCube()
+    {
+        return false;
+    }
+
+    /**
+     * If this block doesn't render as an ordinary block it will return False (examples: signs, buttons, stairs, etc)
+     */
+    public boolean renderAsNormalBlock()
+    {
+        return false;
+    }
+
+    /**
+     * Sets the block's bounds for rendering it as an item
+     */
+    public void setBlockBoundsForItemRender()
+    {
+        this.setBlockBoundsForSnowDepth(0);
+    }
+
+    /**
+     * Updates the blocks bounds based on its current state. Args: world, x, y, z
+     */
+    public void setBlockBoundsBasedOnState(IBlockAccess par1IBlockAccess, int par2, int par3, int par4)
+    {
+        this.setBlockBoundsForSnowDepth(par1IBlockAccess.getBlockMetadata(par2, par3, par4));
+    }
+
+    /**
+     * calls setBlockBounds based on the depth of the snow. Int is any values 0x0-0x7, usually this blocks metadata.
+     */
+    protected void setBlockBoundsForSnowDepth(int par1)
+    {
+        int var2 = par1 & 7;
+        float var3 = (float)(2 * (1 + var2)) / 16.0F;
+        this.setBlockBounds(0.0F, 0.0F, 0.0F, 1.0F, var3, 1.0F);
+    }
+
+    /**
+     * Checks to see if its valid to put this block at the specified coordinates. Args: world, x, y, z
+     */
+    public boolean canPlaceBlockAt(World par1World, int par2, int par3, int par4)
+    {
+        int var5 = par1World.getBlockId(par2, par3 - 1, par4);
+        return var5 == 0 ? false : (var5 == this.blockID && (par1World.getBlockMetadata(par2, par3 - 1, par4) & 7) == 7 ? true : (var5 != Block.leaves.blockID && !Block.blocksList[var5].isOpaqueCube() ? false : par1World.getBlockMaterial(par2, par3 - 1, par4).blocksMovement()));
+    }
+
+    /**
+     * Lets the block know when one of its neighbor changes. Doesn't know which neighbor changed (coordinates passed are
+     * their own) Args: x, y, z, neighbor blockID
+     */
+    public void onNeighborBlockChange(World par1World, int par2, int par3, int par4, int par5)
+    {
+        this.canSnowStay(par1World, par2, par3, par4);
+    }
+
+    /**
+     * Checks if this snow block can stay at this location.
+     */
+    private boolean canSnowStay(World par1World, int par2, int par3, int par4)
+    {
+        if (!this.canPlaceBlockAt(par1World, par2, par3, par4))
+        {
+            this.dropBlockAsItem(par1World, par2, par3, par4, par1World.getBlockMetadata(par2, par3, par4), 0);
+            par1World.setBlockToAir(par2, par3, par4);
+            return false;
+        }
+        else
+        {
+            return true;
+        }
+    }
+
+    /**
+     * Called when the player destroys a block with an item that can harvest it. (i, j, k) are the coordinates of the
+     * block and l is the block's subtype/damage.
+     */
+    public void harvestBlock(World par1World, EntityPlayer par2EntityPlayer, int par3, int par4, int par5, int par6)
+    {
+        int var7 = Item.snowball.itemID;
+        int var8 = par6 & 7;
+        this.dropBlockAsItem_do(par1World, par3, par4, par5, new ItemStack(var7, var8 + 1, 0));
+        par1World.setBlockToAir(par3, par4, par5);
+        par2EntityPlayer.addStat(StatList.mineBlockStatArray[this.blockID], 1);
+    }
+
+    /**
+     * Returns the ID of the items to drop on destruction.
+     */
+    public int idDropped(int par1, Random par2Random, int par3)
+    {
+        return Item.snowball.itemID;
+    }
+
+    /**
+     * Returns the quantity of items to drop on block destruction.
+     */
+    public int quantityDropped(Random par1Random)
+    {
+        return 0;
+    }
+
+    /**
+     * Ticks the block if it's been scheduled
+     */
+    public void updateTick(World par1World, int par2, int par3, int par4, Random par5Random)
+    {
+        if (par1World.getSavedLightValue(EnumSkyBlock.Block, par2, par3, par4) > 11)
+        {
+            this.dropBlockAsItem(par1World, par2, par3, par4, par1World.getBlockMetadata(par2, par3, par4), 0);
+            par1World.setBlockToAir(par2, par3, par4);
+        }
+    }
+
+    /**
+     * Returns true if the given side of this block type should be rendered, if the adjacent block is at the given
+     * coordinates.  Args: blockAccess, x, y, z, side
+     */
+    public boolean shouldSideBeRendered(IBlockAccess par1IBlockAccess, int par2, int par3, int par4, int par5)
+    {
+        return par5 == 1 ? true : super.shouldSideBeRendered(par1IBlockAccess, par2, par3, par4, par5);
+    }
+}