001    package net.minecraft.src;
002    
003    import java.util.List;
004    import java.util.Random;
005    
006    import net.minecraftforge.common.ForgeDirection;
007    
008    import static net.minecraftforge.common.ForgeDirection.*;
009    
010    public class BlockButton extends Block
011    {
012        /** Whether this button is sensible to arrows, used by wooden buttons. */
013        private final boolean sensible;
014    
015        protected BlockButton(int par1, int par2, boolean par3)
016        {
017            super(par1, par2, Material.circuits);
018            this.setTickRandomly(true);
019            this.setCreativeTab(CreativeTabs.tabRedstone);
020            this.sensible = par3;
021        }
022    
023        /**
024         * Returns a bounding box from the pool of bounding boxes (this means this box can change after the pool has been
025         * cleared to be reused)
026         */
027        public AxisAlignedBB getCollisionBoundingBoxFromPool(World par1World, int par2, int par3, int par4)
028        {
029            return null;
030        }
031    
032        /**
033         * How many world ticks before ticking
034         */
035        public int tickRate()
036        {
037            return this.sensible ? 30 : 20;
038        }
039    
040        /**
041         * Is this block (a) opaque and (b) a full 1m cube?  This determines whether or not to render the shared face of two
042         * adjacent blocks and also whether the player can attach torches, redstone wire, etc to this block.
043         */
044        public boolean isOpaqueCube()
045        {
046            return false;
047        }
048    
049        /**
050         * If this block doesn't render as an ordinary block it will return False (examples: signs, buttons, stairs, etc)
051         */
052        public boolean renderAsNormalBlock()
053        {
054            return false;
055        }
056    
057        /**
058         * checks to see if you can place this block can be placed on that side of a block: BlockLever overrides
059         */
060        public boolean canPlaceBlockOnSide(World par1World, int par2, int par3, int par4, int par5)
061        {
062            ForgeDirection dir = ForgeDirection.getOrientation(par5);
063            return (dir == NORTH && par1World.isBlockSolidOnSide(par2, par3, par4 + 1, NORTH)) ||
064                   (dir == SOUTH && par1World.isBlockSolidOnSide(par2, par3, par4 - 1, SOUTH)) ||
065                   (dir == WEST  && par1World.isBlockSolidOnSide(par2 + 1, par3, par4, WEST)) ||
066                   (dir == EAST  && par1World.isBlockSolidOnSide(par2 - 1, par3, par4, EAST));
067        }
068    
069        /**
070         * Checks to see if its valid to put this block at the specified coordinates. Args: world, x, y, z
071         */
072        public boolean canPlaceBlockAt(World par1World, int par2, int par3, int par4)
073        {
074            return (par1World.isBlockSolidOnSide(par2 - 1, par3, par4, EAST)) ||
075                   (par1World.isBlockSolidOnSide(par2 + 1, par3, par4, WEST)) ||
076                   (par1World.isBlockSolidOnSide(par2, par3, par4 - 1, SOUTH)) ||
077                   (par1World.isBlockSolidOnSide(par2, par3, par4 + 1, NORTH));
078        }
079    
080        public int func_85104_a(World par1World, int par2, int par3, int par4, int par5, float par6, float par7, float par8, int par9)
081        {
082            int var10 = par1World.getBlockMetadata(par2, par3, par4);
083            int var11 = var10 & 8;
084            var10 &= 7;
085    
086    
087            ForgeDirection dir = ForgeDirection.getOrientation(par5);
088    
089            if (dir == NORTH && par1World.isBlockSolidOnSide(par2, par3, par4 + 1, NORTH))
090            {
091                var10 = 4;
092            }
093            else if (dir == SOUTH && par1World.isBlockSolidOnSide(par2, par3, par4 - 1, SOUTH))
094            {
095                var10 = 3;
096            }
097            else if (dir == WEST && par1World.isBlockSolidOnSide(par2 + 1, par3, par4, WEST))
098            {
099                var10 = 2;
100            }
101            else if (dir == EAST && par1World.isBlockSolidOnSide(par2 - 1, par3, par4, EAST))
102            {
103                var10 = 1;
104            }
105            else
106            {
107                var10 = this.getOrientation(par1World, par2, par3, par4);
108            }
109    
110            return var10 + var11;
111        }
112    
113        /**
114         * Get side which this button is facing.
115         */
116        private int getOrientation(World par1World, int par2, int par3, int par4)
117        {
118            if (par1World.isBlockSolidOnSide(par2 - 1, par3, par4, EAST)) return 1;
119            if (par1World.isBlockSolidOnSide(par2 + 1, par3, par4, WEST)) return 2;
120            if (par1World.isBlockSolidOnSide(par2, par3, par4 - 1, SOUTH)) return 3;
121            if (par1World.isBlockSolidOnSide(par2, par3, par4 + 1, NORTH)) return 4;
122            return 1;
123        }
124    
125        /**
126         * Lets the block know when one of its neighbor changes. Doesn't know which neighbor changed (coordinates passed are
127         * their own) Args: x, y, z, neighbor blockID
128         */
129        public void onNeighborBlockChange(World par1World, int par2, int par3, int par4, int par5)
130        {
131            if (this.redundantCanPlaceBlockAt(par1World, par2, par3, par4))
132            {
133                int var6 = par1World.getBlockMetadata(par2, par3, par4) & 7;
134                boolean var7 = false;
135    
136                if (!par1World.isBlockSolidOnSide(par2 - 1, par3, par4, EAST) && var6 == 1)
137                {
138                    var7 = true;
139                }
140    
141                if (!par1World.isBlockSolidOnSide(par2 + 1, par3, par4, WEST) && var6 == 2)
142                {
143                    var7 = true;
144                }
145    
146                if (!par1World.isBlockSolidOnSide(par2, par3, par4 - 1, SOUTH) && var6 == 3)
147                {
148                    var7 = true;
149                }
150    
151                if (!par1World.isBlockSolidOnSide(par2, par3, par4 + 1, NORTH) && var6 == 4)
152                {
153                    var7 = true;
154                }
155    
156                if (var7)
157                {
158                    this.dropBlockAsItem(par1World, par2, par3, par4, par1World.getBlockMetadata(par2, par3, par4), 0);
159                    par1World.setBlockWithNotify(par2, par3, par4, 0);
160                }
161            }
162        }
163    
164        /**
165         * This method is redundant, check it out...
166         */
167        private boolean redundantCanPlaceBlockAt(World par1World, int par2, int par3, int par4)
168        {
169            if (!this.canPlaceBlockAt(par1World, par2, par3, par4))
170            {
171                this.dropBlockAsItem(par1World, par2, par3, par4, par1World.getBlockMetadata(par2, par3, par4), 0);
172                par1World.setBlockWithNotify(par2, par3, par4, 0);
173                return false;
174            }
175            else
176            {
177                return true;
178            }
179        }
180    
181        /**
182         * Updates the blocks bounds based on its current state. Args: world, x, y, z
183         */
184        public void setBlockBoundsBasedOnState(IBlockAccess par1IBlockAccess, int par2, int par3, int par4)
185        {
186            int var5 = par1IBlockAccess.getBlockMetadata(par2, par3, par4);
187            this.func_82534_e(var5);
188        }
189    
190        private void func_82534_e(int par1)
191        {
192            int var2 = par1 & 7;
193            boolean var3 = (par1 & 8) > 0;
194            float var4 = 0.375F;
195            float var5 = 0.625F;
196            float var6 = 0.1875F;
197            float var7 = 0.125F;
198    
199            if (var3)
200            {
201                var7 = 0.0625F;
202            }
203    
204            if (var2 == 1)
205            {
206                this.setBlockBounds(0.0F, var4, 0.5F - var6, var7, var5, 0.5F + var6);
207            }
208            else if (var2 == 2)
209            {
210                this.setBlockBounds(1.0F - var7, var4, 0.5F - var6, 1.0F, var5, 0.5F + var6);
211            }
212            else if (var2 == 3)
213            {
214                this.setBlockBounds(0.5F - var6, var4, 0.0F, 0.5F + var6, var5, var7);
215            }
216            else if (var2 == 4)
217            {
218                this.setBlockBounds(0.5F - var6, var4, 1.0F - var7, 0.5F + var6, var5, 1.0F);
219            }
220        }
221    
222        /**
223         * Called when the block is clicked by a player. Args: x, y, z, entityPlayer
224         */
225        public void onBlockClicked(World par1World, int par2, int par3, int par4, EntityPlayer par5EntityPlayer) {}
226    
227        /**
228         * Called upon block activation (right click on the block.)
229         */
230        public boolean onBlockActivated(World par1World, int par2, int par3, int par4, EntityPlayer par5EntityPlayer, int par6, float par7, float par8, float par9)
231        {
232            int var10 = par1World.getBlockMetadata(par2, par3, par4);
233            int var11 = var10 & 7;
234            int var12 = 8 - (var10 & 8);
235    
236            if (var12 == 0)
237            {
238                return true;
239            }
240            else
241            {
242                par1World.setBlockMetadataWithNotify(par2, par3, par4, var11 + var12);
243                par1World.markBlocksDirty(par2, par3, par4, par2, par3, par4);
244                par1World.playSoundEffect((double)par2 + 0.5D, (double)par3 + 0.5D, (double)par4 + 0.5D, "random.click", 0.3F, 0.6F);
245                this.func_82536_d(par1World, par2, par3, par4, var11);
246                par1World.scheduleBlockUpdate(par2, par3, par4, this.blockID, this.tickRate());
247                return true;
248            }
249        }
250    
251        /**
252         * ejects contained items into the world, and notifies neighbours of an update, as appropriate
253         */
254        public void breakBlock(World par1World, int par2, int par3, int par4, int par5, int par6)
255        {
256            if ((par6 & 8) > 0)
257            {
258                int var7 = par6 & 7;
259                this.func_82536_d(par1World, par2, par3, par4, var7);
260            }
261    
262            super.breakBlock(par1World, par2, par3, par4, par5, par6);
263        }
264    
265        /**
266         * Is this block powering the block on the specified side
267         */
268        public boolean isPoweringTo(IBlockAccess par1IBlockAccess, int par2, int par3, int par4, int par5)
269        {
270            return (par1IBlockAccess.getBlockMetadata(par2, par3, par4) & 8) > 0;
271        }
272    
273        /**
274         * Is this block indirectly powering the block on the specified side
275         */
276        public boolean isIndirectlyPoweringTo(IBlockAccess par1IBlockAccess, int par2, int par3, int par4, int par5)
277        {
278            int var6 = par1IBlockAccess.getBlockMetadata(par2, par3, par4);
279    
280            if ((var6 & 8) == 0)
281            {
282                return false;
283            }
284            else
285            {
286                int var7 = var6 & 7;
287                return var7 == 5 && par5 == 1 ? true : (var7 == 4 && par5 == 2 ? true : (var7 == 3 && par5 == 3 ? true : (var7 == 2 && par5 == 4 ? true : var7 == 1 && par5 == 5)));
288            }
289        }
290    
291        /**
292         * Can this block provide power. Only wire currently seems to have this change based on its state.
293         */
294        public boolean canProvidePower()
295        {
296            return true;
297        }
298    
299        /**
300         * Ticks the block if it's been scheduled
301         */
302        public void updateTick(World par1World, int par2, int par3, int par4, Random par5Random)
303        {
304            if (!par1World.isRemote)
305            {
306                int var6 = par1World.getBlockMetadata(par2, par3, par4);
307    
308                if ((var6 & 8) != 0)
309                {
310                    if (this.sensible)
311                    {
312                        this.func_82535_o(par1World, par2, par3, par4);
313                    }
314                    else
315                    {
316                        par1World.setBlockMetadataWithNotify(par2, par3, par4, var6 & 7);
317                        int var7 = var6 & 7;
318                        this.func_82536_d(par1World, par2, par3, par4, var7);
319                        par1World.playSoundEffect((double)par2 + 0.5D, (double)par3 + 0.5D, (double)par4 + 0.5D, "random.click", 0.3F, 0.5F);
320                        par1World.markBlocksDirty(par2, par3, par4, par2, par3, par4);
321                    }
322                }
323            }
324        }
325    
326        /**
327         * Sets the block's bounds for rendering it as an item
328         */
329        public void setBlockBoundsForItemRender()
330        {
331            float var1 = 0.1875F;
332            float var2 = 0.125F;
333            float var3 = 0.125F;
334            this.setBlockBounds(0.5F - var1, 0.5F - var2, 0.5F - var3, 0.5F + var1, 0.5F + var2, 0.5F + var3);
335        }
336    
337        /**
338         * Triggered whenever an entity collides with this block (enters into the block). Args: world, x, y, z, entity
339         */
340        public void onEntityCollidedWithBlock(World par1World, int par2, int par3, int par4, Entity par5Entity)
341        {
342            if (!par1World.isRemote)
343            {
344                if (this.sensible)
345                {
346                    if ((par1World.getBlockMetadata(par2, par3, par4) & 8) == 0)
347                    {
348                        this.func_82535_o(par1World, par2, par3, par4);
349                    }
350                }
351            }
352        }
353    
354        private void func_82535_o(World par1World, int par2, int par3, int par4)
355        {
356            int var5 = par1World.getBlockMetadata(par2, par3, par4);
357            int var6 = var5 & 7;
358            boolean var7 = (var5 & 8) != 0;
359            this.func_82534_e(var5);
360            List var9 = par1World.getEntitiesWithinAABB(EntityArrow.class, AxisAlignedBB.getAABBPool().addOrModifyAABBInPool((double)par2 + this.minX, (double)par3 + this.minY, (double)par4 + this.minZ, (double)par2 + this.maxX, (double)par3 + this.maxY, (double)par4 + this.maxZ));
361            boolean var8 = !var9.isEmpty();
362    
363            if (var8 && !var7)
364            {
365                par1World.setBlockMetadataWithNotify(par2, par3, par4, var6 | 8);
366                this.func_82536_d(par1World, par2, par3, par4, var6);
367                par1World.markBlocksDirty(par2, par3, par4, par2, par3, par4);
368                par1World.playSoundEffect((double)par2 + 0.5D, (double)par3 + 0.5D, (double)par4 + 0.5D, "random.click", 0.3F, 0.6F);
369            }
370    
371            if (!var8 && var7)
372            {
373                par1World.setBlockMetadataWithNotify(par2, par3, par4, var6);
374                this.func_82536_d(par1World, par2, par3, par4, var6);
375                par1World.markBlocksDirty(par2, par3, par4, par2, par3, par4);
376                par1World.playSoundEffect((double)par2 + 0.5D, (double)par3 + 0.5D, (double)par4 + 0.5D, "random.click", 0.3F, 0.5F);
377            }
378    
379            if (var8)
380            {
381                par1World.scheduleBlockUpdate(par2, par3, par4, this.blockID, this.tickRate());
382            }
383        }
384    
385        private void func_82536_d(World par1World, int par2, int par3, int par4, int par5)
386        {
387            par1World.notifyBlocksOfNeighborChange(par2, par3, par4, this.blockID);
388    
389            if (par5 == 1)
390            {
391                par1World.notifyBlocksOfNeighborChange(par2 - 1, par3, par4, this.blockID);
392            }
393            else if (par5 == 2)
394            {
395                par1World.notifyBlocksOfNeighborChange(par2 + 1, par3, par4, this.blockID);
396            }
397            else if (par5 == 3)
398            {
399                par1World.notifyBlocksOfNeighborChange(par2, par3, par4 - 1, this.blockID);
400            }
401            else if (par5 == 4)
402            {
403                par1World.notifyBlocksOfNeighborChange(par2, par3, par4 + 1, this.blockID);
404            }
405            else
406            {
407                par1World.notifyBlocksOfNeighborChange(par2, par3 - 1, par4, this.blockID);
408            }
409        }
410    }