001package net.minecraft.block;
002
003import cpw.mods.fml.relauncher.Side;
004import cpw.mods.fml.relauncher.SideOnly;
005import net.minecraft.block.material.Material;
006import net.minecraft.creativetab.CreativeTabs;
007import net.minecraft.entity.player.EntityPlayer;
008import net.minecraft.util.AxisAlignedBB;
009import net.minecraft.util.MovingObjectPosition;
010import net.minecraft.util.Vec3;
011import net.minecraft.world.IBlockAccess;
012import net.minecraft.world.World;
013
014import net.minecraftforge.common.ForgeDirection;
015
016public class BlockTrapDoor extends Block
017{
018    /** Set this to allow trapdoors to remain free-floating */
019    public static boolean disableValidation = false;
020
021    protected BlockTrapDoor(int par1, Material par2Material)
022    {
023        super(par1, par2Material);
024        this.blockIndexInTexture = 84;
025
026        if (par2Material == Material.iron)
027        {
028            ++this.blockIndexInTexture;
029        }
030
031        float var3 = 0.5F;
032        float var4 = 1.0F;
033        this.setBlockBounds(0.5F - var3, 0.0F, 0.5F - var3, 0.5F + var3, var4, 0.5F + var3);
034        this.setCreativeTab(CreativeTabs.tabRedstone);
035    }
036
037    /**
038     * Is this block (a) opaque and (b) a full 1m cube?  This determines whether or not to render the shared face of two
039     * adjacent blocks and also whether the player can attach torches, redstone wire, etc to this block.
040     */
041    public boolean isOpaqueCube()
042    {
043        return false;
044    }
045
046    /**
047     * If this block doesn't render as an ordinary block it will return False (examples: signs, buttons, stairs, etc)
048     */
049    public boolean renderAsNormalBlock()
050    {
051        return false;
052    }
053
054    public boolean getBlocksMovement(IBlockAccess par1IBlockAccess, int par2, int par3, int par4)
055    {
056        return !isTrapdoorOpen(par1IBlockAccess.getBlockMetadata(par2, par3, par4));
057    }
058
059    /**
060     * The type of render function that is called for this block
061     */
062    public int getRenderType()
063    {
064        return 0;
065    }
066
067    @SideOnly(Side.CLIENT)
068
069    /**
070     * Returns the bounding box of the wired rectangular prism to render.
071     */
072    public AxisAlignedBB getSelectedBoundingBoxFromPool(World par1World, int par2, int par3, int par4)
073    {
074        this.setBlockBoundsBasedOnState(par1World, par2, par3, par4);
075        return super.getSelectedBoundingBoxFromPool(par1World, par2, par3, par4);
076    }
077
078    /**
079     * Returns a bounding box from the pool of bounding boxes (this means this box can change after the pool has been
080     * cleared to be reused)
081     */
082    public AxisAlignedBB getCollisionBoundingBoxFromPool(World par1World, int par2, int par3, int par4)
083    {
084        this.setBlockBoundsBasedOnState(par1World, par2, par3, par4);
085        return super.getCollisionBoundingBoxFromPool(par1World, par2, par3, par4);
086    }
087
088    /**
089     * Updates the blocks bounds based on its current state. Args: world, x, y, z
090     */
091    public void setBlockBoundsBasedOnState(IBlockAccess par1IBlockAccess, int par2, int par3, int par4)
092    {
093        this.setBlockBoundsForBlockRender(par1IBlockAccess.getBlockMetadata(par2, par3, par4));
094    }
095
096    /**
097     * Sets the block's bounds for rendering it as an item
098     */
099    public void setBlockBoundsForItemRender()
100    {
101        float var1 = 0.1875F;
102        this.setBlockBounds(0.0F, 0.5F - var1 / 2.0F, 0.0F, 1.0F, 0.5F + var1 / 2.0F, 1.0F);
103    }
104
105    public void setBlockBoundsForBlockRender(int par1)
106    {
107        float var2 = 0.1875F;
108
109        if ((par1 & 8) != 0)
110        {
111            this.setBlockBounds(0.0F, 1.0F - var2, 0.0F, 1.0F, 1.0F, 1.0F);
112        }
113        else
114        {
115            this.setBlockBounds(0.0F, 0.0F, 0.0F, 1.0F, var2, 1.0F);
116        }
117
118        if (isTrapdoorOpen(par1))
119        {
120            if ((par1 & 3) == 0)
121            {
122                this.setBlockBounds(0.0F, 0.0F, 1.0F - var2, 1.0F, 1.0F, 1.0F);
123            }
124
125            if ((par1 & 3) == 1)
126            {
127                this.setBlockBounds(0.0F, 0.0F, 0.0F, 1.0F, 1.0F, var2);
128            }
129
130            if ((par1 & 3) == 2)
131            {
132                this.setBlockBounds(1.0F - var2, 0.0F, 0.0F, 1.0F, 1.0F, 1.0F);
133            }
134
135            if ((par1 & 3) == 3)
136            {
137                this.setBlockBounds(0.0F, 0.0F, 0.0F, var2, 1.0F, 1.0F);
138            }
139        }
140    }
141
142    /**
143     * Called when the block is clicked by a player. Args: x, y, z, entityPlayer
144     */
145    public void onBlockClicked(World par1World, int par2, int par3, int par4, EntityPlayer par5EntityPlayer) {}
146
147    /**
148     * Called upon block activation (right click on the block.)
149     */
150    public boolean onBlockActivated(World par1World, int par2, int par3, int par4, EntityPlayer par5EntityPlayer, int par6, float par7, float par8, float par9)
151    {
152        if (this.blockMaterial == Material.iron)
153        {
154            return true;
155        }
156        else
157        {
158            int var10 = par1World.getBlockMetadata(par2, par3, par4);
159            par1World.setBlockMetadataWithNotify(par2, par3, par4, var10 ^ 4);
160            par1World.playAuxSFXAtEntity(par5EntityPlayer, 1003, par2, par3, par4, 0);
161            return true;
162        }
163    }
164
165    public void onPoweredBlockChange(World par1World, int par2, int par3, int par4, boolean par5)
166    {
167        int var6 = par1World.getBlockMetadata(par2, par3, par4);
168        boolean var7 = (var6 & 4) > 0;
169
170        if (var7 != par5)
171        {
172            par1World.setBlockMetadataWithNotify(par2, par3, par4, var6 ^ 4);
173            par1World.playAuxSFXAtEntity((EntityPlayer)null, 1003, par2, par3, par4, 0);
174        }
175    }
176
177    /**
178     * Lets the block know when one of its neighbor changes. Doesn't know which neighbor changed (coordinates passed are
179     * their own) Args: x, y, z, neighbor blockID
180     */
181    public void onNeighborBlockChange(World par1World, int par2, int par3, int par4, int par5)
182    {
183        if (!par1World.isRemote)
184        {
185            int var6 = par1World.getBlockMetadata(par2, par3, par4);
186            int var7 = par2;
187            int var8 = par4;
188
189            if ((var6 & 3) == 0)
190            {
191                var8 = par4 + 1;
192            }
193
194            if ((var6 & 3) == 1)
195            {
196                --var8;
197            }
198
199            if ((var6 & 3) == 2)
200            {
201                var7 = par2 + 1;
202            }
203
204            if ((var6 & 3) == 3)
205            {
206                --var7;
207            }
208
209            if (!(isValidSupportBlock(par1World.getBlockId(var7, par3, var8)) || par1World.isBlockSolidOnSide(var7, par3, var8, ForgeDirection.getOrientation((var6 & 3) + 2))))
210            {
211                par1World.setBlockWithNotify(par2, par3, par4, 0);
212                this.dropBlockAsItem(par1World, par2, par3, par4, var6, 0);
213            }
214
215            boolean var9 = par1World.isBlockIndirectlyGettingPowered(par2, par3, par4);
216
217            if (var9 || par5 > 0 && Block.blocksList[par5].canProvidePower())
218            {
219                this.onPoweredBlockChange(par1World, par2, par3, par4, var9);
220            }
221        }
222    }
223
224    /**
225     * Ray traces through the blocks collision from start vector to end vector returning a ray trace hit. Args: world,
226     * x, y, z, startVec, endVec
227     */
228    public MovingObjectPosition collisionRayTrace(World par1World, int par2, int par3, int par4, Vec3 par5Vec3, Vec3 par6Vec3)
229    {
230        this.setBlockBoundsBasedOnState(par1World, par2, par3, par4);
231        return super.collisionRayTrace(par1World, par2, par3, par4, par5Vec3, par6Vec3);
232    }
233
234    /**
235     * Called when a block is placed using its ItemBlock. Args: World, X, Y, Z, side, hitX, hitY, hitZ, block metadata
236     */
237    public int onBlockPlaced(World par1World, int par2, int par3, int par4, int par5, float par6, float par7, float par8, int par9)
238    {
239        int var10 = 0;
240
241        if (par5 == 2)
242        {
243            var10 = 0;
244        }
245
246        if (par5 == 3)
247        {
248            var10 = 1;
249        }
250
251        if (par5 == 4)
252        {
253            var10 = 2;
254        }
255
256        if (par5 == 5)
257        {
258            var10 = 3;
259        }
260
261        if (par5 != 1 && par5 != 0 && par7 > 0.5F)
262        {
263            var10 |= 8;
264        }
265
266        return var10;
267    }
268
269    /**
270     * checks to see if you can place this block can be placed on that side of a block: BlockLever overrides
271     */
272    public boolean canPlaceBlockOnSide(World par1World, int par2, int par3, int par4, int par5)
273    {
274        if (disableValidation)
275        {
276            return true;
277        }
278        if (par5 == 0)
279        {
280            return false;
281        }
282        else if (par5 == 1)
283        {
284            return false;
285        }
286        else
287        {
288            if (par5 == 2)
289            {
290                ++par4;
291            }
292
293            if (par5 == 3)
294            {
295                --par4;
296            }
297
298            if (par5 == 4)
299            {
300                ++par2;
301            }
302
303            if (par5 == 5)
304            {
305                --par2;
306            }
307
308            return isValidSupportBlock(par1World.getBlockId(par2, par3, par4)) || par1World.isBlockSolidOnSide(par2, par3, par4, ForgeDirection.UP);
309        }
310    }
311
312    public static boolean isTrapdoorOpen(int par0)
313    {
314        return (par0 & 4) != 0;
315    }
316
317    /**
318     * Checks if the block ID is a valid support block for the trap door to connect with. If it is not the trapdoor is
319     * dropped into the world.
320     */
321    private static boolean isValidSupportBlock(int par0)
322    {
323        if (disableValidation)
324        {
325            return true;
326        }
327        if (par0 <= 0)
328        {
329            return false;
330        }
331        else
332        {
333            Block var1 = Block.blocksList[par0];
334            return var1 != null && var1.blockMaterial.isOpaque() && var1.renderAsNormalBlock() || var1 == Block.glowStone || var1 instanceof BlockHalfSlab || var1 instanceof BlockStairs;
335        }
336    }
337}