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.IShearable;
010    
011    public class BlockVine extends Block implements IShearable
012    {
013        public BlockVine(int par1)
014        {
015            super(par1, 143, Material.vine);
016            this.setTickRandomly(true);
017            this.setCreativeTab(CreativeTabs.tabDecorations);
018        }
019    
020        /**
021         * Sets the block's bounds for rendering it as an item
022         */
023        public void setBlockBoundsForItemRender()
024        {
025            this.setBlockBounds(0.0F, 0.0F, 0.0F, 1.0F, 1.0F, 1.0F);
026        }
027    
028        /**
029         * The type of render function that is called for this block
030         */
031        public int getRenderType()
032        {
033            return 20;
034        }
035    
036        /**
037         * Is this block (a) opaque and (b) a full 1m cube?  This determines whether or not to render the shared face of two
038         * adjacent blocks and also whether the player can attach torches, redstone wire, etc to this block.
039         */
040        public boolean isOpaqueCube()
041        {
042            return false;
043        }
044    
045        /**
046         * If this block doesn't render as an ordinary block it will return False (examples: signs, buttons, stairs, etc)
047         */
048        public boolean renderAsNormalBlock()
049        {
050            return false;
051        }
052    
053        /**
054         * Updates the blocks bounds based on its current state. Args: world, x, y, z
055         */
056        public void setBlockBoundsBasedOnState(IBlockAccess par1IBlockAccess, int par2, int par3, int par4)
057        {
058            int var6 = par1IBlockAccess.getBlockMetadata(par2, par3, par4);
059            float var7 = 1.0F;
060            float var8 = 1.0F;
061            float var9 = 1.0F;
062            float var10 = 0.0F;
063            float var11 = 0.0F;
064            float var12 = 0.0F;
065            boolean var13 = var6 > 0;
066    
067            if ((var6 & 2) != 0)
068            {
069                var10 = Math.max(var10, 0.0625F);
070                var7 = 0.0F;
071                var8 = 0.0F;
072                var11 = 1.0F;
073                var9 = 0.0F;
074                var12 = 1.0F;
075                var13 = true;
076            }
077    
078            if ((var6 & 8) != 0)
079            {
080                var7 = Math.min(var7, 0.9375F);
081                var10 = 1.0F;
082                var8 = 0.0F;
083                var11 = 1.0F;
084                var9 = 0.0F;
085                var12 = 1.0F;
086                var13 = true;
087            }
088    
089            if ((var6 & 4) != 0)
090            {
091                var12 = Math.max(var12, 0.0625F);
092                var9 = 0.0F;
093                var7 = 0.0F;
094                var10 = 1.0F;
095                var8 = 0.0F;
096                var11 = 1.0F;
097                var13 = true;
098            }
099    
100            if ((var6 & 1) != 0)
101            {
102                var9 = Math.min(var9, 0.9375F);
103                var12 = 1.0F;
104                var7 = 0.0F;
105                var10 = 1.0F;
106                var8 = 0.0F;
107                var11 = 1.0F;
108                var13 = true;
109            }
110    
111            if (!var13 && this.canBePlacedOn(par1IBlockAccess.getBlockId(par2, par3 + 1, par4)))
112            {
113                var8 = Math.min(var8, 0.9375F);
114                var11 = 1.0F;
115                var7 = 0.0F;
116                var10 = 1.0F;
117                var9 = 0.0F;
118                var12 = 1.0F;
119            }
120    
121            this.setBlockBounds(var7, var8, var9, var10, var11, var12);
122        }
123    
124        /**
125         * Returns a bounding box from the pool of bounding boxes (this means this box can change after the pool has been
126         * cleared to be reused)
127         */
128        public AxisAlignedBB getCollisionBoundingBoxFromPool(World par1World, int par2, int par3, int par4)
129        {
130            return null;
131        }
132    
133        /**
134         * checks to see if you can place this block can be placed on that side of a block: BlockLever overrides
135         */
136        public boolean canPlaceBlockOnSide(World par1World, int par2, int par3, int par4, int par5)
137        {
138            switch (par5)
139            {
140                case 1:
141                    return this.canBePlacedOn(par1World.getBlockId(par2, par3 + 1, par4));
142                case 2:
143                    return this.canBePlacedOn(par1World.getBlockId(par2, par3, par4 + 1));
144                case 3:
145                    return this.canBePlacedOn(par1World.getBlockId(par2, par3, par4 - 1));
146                case 4:
147                    return this.canBePlacedOn(par1World.getBlockId(par2 + 1, par3, par4));
148                case 5:
149                    return this.canBePlacedOn(par1World.getBlockId(par2 - 1, par3, par4));
150                default:
151                    return false;
152            }
153        }
154    
155        /**
156         * returns true if a vine can be placed on that block (checks for render as normal block and if it is solid)
157         */
158        private boolean canBePlacedOn(int par1)
159        {
160            if (par1 == 0)
161            {
162                return false;
163            }
164            else
165            {
166                Block var2 = Block.blocksList[par1];
167                return var2.renderAsNormalBlock() && var2.blockMaterial.blocksMovement();
168            }
169        }
170    
171        /**
172         * Returns if the vine can stay in the world. It also changes the metadata according to neighboring blocks.
173         */
174        private boolean canVineStay(World par1World, int par2, int par3, int par4)
175        {
176            int var5 = par1World.getBlockMetadata(par2, par3, par4);
177            int var6 = var5;
178    
179            if (var5 > 0)
180            {
181                for (int var7 = 0; var7 <= 3; ++var7)
182                {
183                    int var8 = 1 << var7;
184    
185                    if ((var5 & var8) != 0 && !this.canBePlacedOn(par1World.getBlockId(par2 + Direction.offsetX[var7], par3, par4 + Direction.offsetZ[var7])) && (par1World.getBlockId(par2, par3 + 1, par4) != this.blockID || (par1World.getBlockMetadata(par2, par3 + 1, par4) & var8) == 0))
186                    {
187                        var6 &= ~var8;
188                    }
189                }
190            }
191    
192            if (var6 == 0 && !this.canBePlacedOn(par1World.getBlockId(par2, par3 + 1, par4)))
193            {
194                return false;
195            }
196            else
197            {
198                if (var6 != var5)
199                {
200                    par1World.setBlockMetadataWithNotify(par2, par3, par4, var6);
201                }
202    
203                return true;
204            }
205        }
206    
207        @SideOnly(Side.CLIENT)
208        public int getBlockColor()
209        {
210            return ColorizerFoliage.getFoliageColorBasic();
211        }
212    
213        @SideOnly(Side.CLIENT)
214    
215        /**
216         * Returns the color this block should be rendered. Used by leaves.
217         */
218        public int getRenderColor(int par1)
219        {
220            return ColorizerFoliage.getFoliageColorBasic();
221        }
222    
223        @SideOnly(Side.CLIENT)
224    
225        /**
226         * Returns a integer with hex for 0xrrggbb with this color multiplied against the blocks color. Note only called
227         * when first determining what to render.
228         */
229        public int colorMultiplier(IBlockAccess par1IBlockAccess, int par2, int par3, int par4)
230        {
231            return par1IBlockAccess.getBiomeGenForCoords(par2, par4).getBiomeFoliageColor();
232        }
233    
234        /**
235         * Lets the block know when one of its neighbor changes. Doesn't know which neighbor changed (coordinates passed are
236         * their own) Args: x, y, z, neighbor blockID
237         */
238        public void onNeighborBlockChange(World par1World, int par2, int par3, int par4, int par5)
239        {
240            if (!par1World.isRemote && !this.canVineStay(par1World, par2, par3, par4))
241            {
242                this.dropBlockAsItem(par1World, par2, par3, par4, par1World.getBlockMetadata(par2, par3, par4), 0);
243                par1World.setBlockWithNotify(par2, par3, par4, 0);
244            }
245        }
246    
247        /**
248         * Ticks the block if it's been scheduled
249         */
250        public void updateTick(World par1World, int par2, int par3, int par4, Random par5Random)
251        {
252            if (!par1World.isRemote && par1World.rand.nextInt(4) == 0)
253            {
254                byte var6 = 4;
255                int var7 = 5;
256                boolean var8 = false;
257                int var9;
258                int var10;
259                int var11;
260                label138:
261    
262                for (var9 = par2 - var6; var9 <= par2 + var6; ++var9)
263                {
264                    for (var10 = par4 - var6; var10 <= par4 + var6; ++var10)
265                    {
266                        for (var11 = par3 - 1; var11 <= par3 + 1; ++var11)
267                        {
268                            if (par1World.getBlockId(var9, var11, var10) == this.blockID)
269                            {
270                                --var7;
271    
272                                if (var7 <= 0)
273                                {
274                                    var8 = true;
275                                    break label138;
276                                }
277                            }
278                        }
279                    }
280                }
281    
282                var9 = par1World.getBlockMetadata(par2, par3, par4);
283                var10 = par1World.rand.nextInt(6);
284                var11 = Direction.vineGrowth[var10];
285                int var12;
286                int var13;
287    
288                if (var10 == 1 && par3 < 255 && par1World.isAirBlock(par2, par3 + 1, par4))
289                {
290                    if (var8)
291                    {
292                        return;
293                    }
294    
295                    var12 = par1World.rand.nextInt(16) & var9;
296    
297                    if (var12 > 0)
298                    {
299                        for (var13 = 0; var13 <= 3; ++var13)
300                        {
301                            if (!this.canBePlacedOn(par1World.getBlockId(par2 + Direction.offsetX[var13], par3 + 1, par4 + Direction.offsetZ[var13])))
302                            {
303                                var12 &= ~(1 << var13);
304                            }
305                        }
306    
307                        if (var12 > 0)
308                        {
309                            par1World.setBlockAndMetadataWithNotify(par2, par3 + 1, par4, this.blockID, var12);
310                        }
311                    }
312                }
313                else
314                {
315                    int var14;
316    
317                    if (var10 >= 2 && var10 <= 5 && (var9 & 1 << var11) == 0)
318                    {
319                        if (var8)
320                        {
321                            return;
322                        }
323    
324                        var12 = par1World.getBlockId(par2 + Direction.offsetX[var11], par3, par4 + Direction.offsetZ[var11]);
325    
326                        if (var12 != 0 && Block.blocksList[var12] != null)
327                        {
328                            if (Block.blocksList[var12].blockMaterial.isOpaque() && Block.blocksList[var12].renderAsNormalBlock())
329                            {
330                                par1World.setBlockMetadataWithNotify(par2, par3, par4, var9 | 1 << var11);
331                            }
332                        }
333                        else
334                        {
335                            var13 = var11 + 1 & 3;
336                            var14 = var11 + 3 & 3;
337    
338                            if ((var9 & 1 << var13) != 0 && this.canBePlacedOn(par1World.getBlockId(par2 + Direction.offsetX[var11] + Direction.offsetX[var13], par3, par4 + Direction.offsetZ[var11] + Direction.offsetZ[var13])))
339                            {
340                                par1World.setBlockAndMetadataWithNotify(par2 + Direction.offsetX[var11], par3, par4 + Direction.offsetZ[var11], this.blockID, 1 << var13);
341                            }
342                            else if ((var9 & 1 << var14) != 0 && this.canBePlacedOn(par1World.getBlockId(par2 + Direction.offsetX[var11] + Direction.offsetX[var14], par3, par4 + Direction.offsetZ[var11] + Direction.offsetZ[var14])))
343                            {
344                                par1World.setBlockAndMetadataWithNotify(par2 + Direction.offsetX[var11], par3, par4 + Direction.offsetZ[var11], this.blockID, 1 << var14);
345                            }
346                            else if ((var9 & 1 << var13) != 0 && par1World.isAirBlock(par2 + Direction.offsetX[var11] + Direction.offsetX[var13], par3, par4 + Direction.offsetZ[var11] + Direction.offsetZ[var13]) && this.canBePlacedOn(par1World.getBlockId(par2 + Direction.offsetX[var13], par3, par4 + Direction.offsetZ[var13])))
347                            {
348                                par1World.setBlockAndMetadataWithNotify(par2 + Direction.offsetX[var11] + Direction.offsetX[var13], par3, par4 + Direction.offsetZ[var11] + Direction.offsetZ[var13], this.blockID, 1 << (var11 + 2 & 3));
349                            }
350                            else if ((var9 & 1 << var14) != 0 && par1World.isAirBlock(par2 + Direction.offsetX[var11] + Direction.offsetX[var14], par3, par4 + Direction.offsetZ[var11] + Direction.offsetZ[var14]) && this.canBePlacedOn(par1World.getBlockId(par2 + Direction.offsetX[var14], par3, par4 + Direction.offsetZ[var14])))
351                            {
352                                par1World.setBlockAndMetadataWithNotify(par2 + Direction.offsetX[var11] + Direction.offsetX[var14], par3, par4 + Direction.offsetZ[var11] + Direction.offsetZ[var14], this.blockID, 1 << (var11 + 2 & 3));
353                            }
354                            else if (this.canBePlacedOn(par1World.getBlockId(par2 + Direction.offsetX[var11], par3 + 1, par4 + Direction.offsetZ[var11])))
355                            {
356                                par1World.setBlockAndMetadataWithNotify(par2 + Direction.offsetX[var11], par3, par4 + Direction.offsetZ[var11], this.blockID, 0);
357                            }
358                        }
359                    }
360                    else if (par3 > 1)
361                    {
362                        var12 = par1World.getBlockId(par2, par3 - 1, par4);
363    
364                        if (var12 == 0)
365                        {
366                            var13 = par1World.rand.nextInt(16) & var9;
367    
368                            if (var13 > 0)
369                            {
370                                par1World.setBlockAndMetadataWithNotify(par2, par3 - 1, par4, this.blockID, var13);
371                            }
372                        }
373                        else if (var12 == this.blockID)
374                        {
375                            var13 = par1World.rand.nextInt(16) & var9;
376                            var14 = par1World.getBlockMetadata(par2, par3 - 1, par4);
377    
378                            if (var14 != (var14 | var13))
379                            {
380                                par1World.setBlockMetadataWithNotify(par2, par3 - 1, par4, var14 | var13);
381                            }
382                        }
383                    }
384                }
385            }
386        }
387    
388        public int func_85104_a(World par1World, int par2, int par3, int par4, int par5, float par6, float par7, float par8, int par9)
389        {
390            byte var10 = 0;
391    
392            switch (par5)
393            {
394                case 2:
395                    var10 = 1;
396                    break;
397                case 3:
398                    var10 = 4;
399                    break;
400                case 4:
401                    var10 = 8;
402                    break;
403                case 5:
404                    var10 = 2;
405            }
406    
407            return var10 != 0 ? var10 : par9;
408        }
409    
410        /**
411         * Returns the ID of the items to drop on destruction.
412         */
413        public int idDropped(int par1, Random par2Random, int par3)
414        {
415            return 0;
416        }
417    
418        /**
419         * Returns the quantity of items to drop on block destruction.
420         */
421        public int quantityDropped(Random par1Random)
422        {
423            return 0;
424        }
425    
426        /**
427         * Called when the player destroys a block with an item that can harvest it. (i, j, k) are the coordinates of the
428         * block and l is the block's subtype/damage.
429         */
430        public void harvestBlock(World par1World, EntityPlayer par2EntityPlayer, int par3, int par4, int par5, int par6)
431        {
432            super.harvestBlock(par1World, par2EntityPlayer, par3, par4, par5, par6);
433        }
434        
435        @Override
436        public boolean isShearable(ItemStack item, World world, int x, int y, int z) 
437        {
438            return true;
439        }
440        
441        @Override
442        public ArrayList<ItemStack> onSheared(ItemStack item, World world, int x, int y, int z, int fortune) 
443        {
444            ArrayList<ItemStack> ret = new ArrayList<ItemStack>();
445            ret.add(new ItemStack(this, 1, 0));
446            return ret;
447        }
448        
449        @Override
450        public boolean isLadder(World world, int x, int y, int z) 
451        {
452            return true;
453        }
454    }