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 private final boolean field_82537_a;
013
014 protected BlockButton(int par1, int par2, boolean par3)
015 {
016 super(par1, par2, Material.circuits);
017 this.setTickRandomly(true);
018 this.setCreativeTab(CreativeTabs.tabRedstone);
019 this.field_82537_a = par3;
020 }
021
022 /**
023 * Returns a bounding box from the pool of bounding boxes (this means this box can change after the pool has been
024 * cleared to be reused)
025 */
026 public AxisAlignedBB getCollisionBoundingBoxFromPool(World par1World, int par2, int par3, int par4)
027 {
028 return null;
029 }
030
031 /**
032 * How many world ticks before ticking
033 */
034 public int tickRate()
035 {
036 return this.field_82537_a ? 30 : 20;
037 }
038
039 /**
040 * Is this block (a) opaque and (b) a full 1m cube? This determines whether or not to render the shared face of two
041 * adjacent blocks and also whether the player can attach torches, redstone wire, etc to this block.
042 */
043 public boolean isOpaqueCube()
044 {
045 return false;
046 }
047
048 /**
049 * If this block doesn't render as an ordinary block it will return False (examples: signs, buttons, stairs, etc)
050 */
051 public boolean renderAsNormalBlock()
052 {
053 return false;
054 }
055
056 /**
057 * checks to see if you can place this block can be placed on that side of a block: BlockLever overrides
058 */
059 public boolean canPlaceBlockOnSide(World par1World, int par2, int par3, int par4, int par5)
060 {
061 ForgeDirection dir = ForgeDirection.getOrientation(par5);
062 return (dir == NORTH && par1World.isBlockSolidOnSide(par2, par3, par4 + 1, NORTH)) ||
063 (dir == SOUTH && par1World.isBlockSolidOnSide(par2, par3, par4 - 1, SOUTH)) ||
064 (dir == WEST && par1World.isBlockSolidOnSide(par2 + 1, par3, par4, WEST)) ||
065 (dir == EAST && par1World.isBlockSolidOnSide(par2 - 1, par3, par4, EAST));
066 }
067
068 /**
069 * Checks to see if its valid to put this block at the specified coordinates. Args: world, x, y, z
070 */
071 public boolean canPlaceBlockAt(World par1World, int par2, int par3, int par4)
072 {
073 return (par1World.isBlockSolidOnSide(par2 - 1, par3, par4, EAST)) ||
074 (par1World.isBlockSolidOnSide(par2 + 1, par3, par4, WEST)) ||
075 (par1World.isBlockSolidOnSide(par2, par3, par4 - 1, SOUTH)) ||
076 (par1World.isBlockSolidOnSide(par2, par3, par4 + 1, NORTH));
077 }
078
079 /**
080 * called before onBlockPlacedBy by ItemBlock and ItemReed
081 */
082 public void updateBlockMetadata(World par1World, int par2, int par3, int par4, int par5, float par6, float par7, float par8)
083 {
084 int var9 = par1World.getBlockMetadata(par2, par3, par4);
085 int var10 = var9 & 8;
086 var9 &= 7;
087
088 ForgeDirection dir = ForgeDirection.getOrientation(par5);
089
090 if (dir == NORTH && par1World.isBlockSolidOnSide(par2, par3, par4 + 1, NORTH))
091 {
092 var9 = 4;
093 }
094 else if (dir == SOUTH && par1World.isBlockSolidOnSide(par2, par3, par4 - 1, SOUTH))
095 {
096 var9 = 3;
097 }
098 else if (dir == WEST && par1World.isBlockSolidOnSide(par2 + 1, par3, par4, WEST))
099 {
100 var9 = 2;
101 }
102 else if (dir == EAST && par1World.isBlockSolidOnSide(par2 - 1, par3, par4, EAST))
103 {
104 var9 = 1;
105 }
106 else
107 {
108 var9 = this.getOrientation(par1World, par2, par3, par4);
109 }
110
111 par1World.setBlockMetadataWithNotify(par2, par3, par4, var9 + var10);
112 }
113
114 /**
115 * Get side which this button is facing.
116 */
117 private int getOrientation(World par1World, int par2, int par3, int par4)
118 {
119 if (par1World.isBlockSolidOnSide(par2 - 1, par3, par4, EAST)) return 1;
120 if (par1World.isBlockSolidOnSide(par2 + 1, par3, par4, WEST)) return 2;
121 if (par1World.isBlockSolidOnSide(par2, par3, par4 - 1, SOUTH)) return 3;
122 if (par1World.isBlockSolidOnSide(par2, par3, par4 + 1, NORTH)) return 4;
123 return 1;
124 }
125
126 /**
127 * Lets the block know when one of its neighbor changes. Doesn't know which neighbor changed (coordinates passed are
128 * their own) Args: x, y, z, neighbor blockID
129 */
130 public void onNeighborBlockChange(World par1World, int par2, int par3, int par4, int par5)
131 {
132 if (this.redundantCanPlaceBlockAt(par1World, par2, par3, par4))
133 {
134 int var6 = par1World.getBlockMetadata(par2, par3, par4) & 7;
135 boolean var7 = false;
136
137 if (!par1World.isBlockSolidOnSide(par2 - 1, par3, par4, EAST) && var6 == 1)
138 {
139 var7 = true;
140 }
141
142 if (!par1World.isBlockSolidOnSide(par2 + 1, par3, par4, WEST) && var6 == 2)
143 {
144 var7 = true;
145 }
146
147 if (!par1World.isBlockSolidOnSide(par2, par3, par4 - 1, SOUTH) && var6 == 3)
148 {
149 var7 = true;
150 }
151
152 if (!par1World.isBlockSolidOnSide(par2, par3, par4 + 1, NORTH) && var6 == 4)
153 {
154 var7 = true;
155 }
156
157 if (var7)
158 {
159 this.dropBlockAsItem(par1World, par2, par3, par4, par1World.getBlockMetadata(par2, par3, par4), 0);
160 par1World.setBlockWithNotify(par2, par3, par4, 0);
161 }
162 }
163 }
164
165 /**
166 * This method is redundant, check it out...
167 */
168 private boolean redundantCanPlaceBlockAt(World par1World, int par2, int par3, int par4)
169 {
170 if (!this.canPlaceBlockAt(par1World, par2, par3, par4))
171 {
172 this.dropBlockAsItem(par1World, par2, par3, par4, par1World.getBlockMetadata(par2, par3, par4), 0);
173 par1World.setBlockWithNotify(par2, par3, par4, 0);
174 return false;
175 }
176 else
177 {
178 return true;
179 }
180 }
181
182 /**
183 * Updates the blocks bounds based on its current state. Args: world, x, y, z
184 */
185 public void setBlockBoundsBasedOnState(IBlockAccess par1IBlockAccess, int par2, int par3, int par4)
186 {
187 int var5 = par1IBlockAccess.getBlockMetadata(par2, par3, par4);
188 this.func_82534_e(var5);
189 }
190
191 private void func_82534_e(int par1)
192 {
193 int var2 = par1 & 7;
194 boolean var3 = (par1 & 8) > 0;
195 float var4 = 0.375F;
196 float var5 = 0.625F;
197 float var6 = 0.1875F;
198 float var7 = 0.125F;
199
200 if (var3)
201 {
202 var7 = 0.0625F;
203 }
204
205 if (var2 == 1)
206 {
207 this.setBlockBounds(0.0F, var4, 0.5F - var6, var7, var5, 0.5F + var6);
208 }
209 else if (var2 == 2)
210 {
211 this.setBlockBounds(1.0F - var7, var4, 0.5F - var6, 1.0F, var5, 0.5F + var6);
212 }
213 else if (var2 == 3)
214 {
215 this.setBlockBounds(0.5F - var6, var4, 0.0F, 0.5F + var6, var5, var7);
216 }
217 else if (var2 == 4)
218 {
219 this.setBlockBounds(0.5F - var6, var4, 1.0F - var7, 0.5F + var6, var5, 1.0F);
220 }
221 }
222
223 /**
224 * Called when the block is clicked by a player. Args: x, y, z, entityPlayer
225 */
226 public void onBlockClicked(World par1World, int par2, int par3, int par4, EntityPlayer par5EntityPlayer) {}
227
228 /**
229 * Called upon block activation (right click on the block.)
230 */
231 public boolean onBlockActivated(World par1World, int par2, int par3, int par4, EntityPlayer par5EntityPlayer, int par6, float par7, float par8, float par9)
232 {
233 int var10 = par1World.getBlockMetadata(par2, par3, par4);
234 int var11 = var10 & 7;
235 int var12 = 8 - (var10 & 8);
236
237 if (var12 == 0)
238 {
239 return true;
240 }
241 else
242 {
243 par1World.setBlockMetadataWithNotify(par2, par3, par4, var11 + var12);
244 par1World.markBlocksDirty(par2, par3, par4, par2, par3, par4);
245 par1World.playSoundEffect((double)par2 + 0.5D, (double)par3 + 0.5D, (double)par4 + 0.5D, "random.click", 0.3F, 0.6F);
246 this.func_82536_d(par1World, par2, par3, par4, var11);
247 par1World.scheduleBlockUpdate(par2, par3, par4, this.blockID, this.tickRate());
248 return true;
249 }
250 }
251
252 /**
253 * ejects contained items into the world, and notifies neighbours of an update, as appropriate
254 */
255 public void breakBlock(World par1World, int par2, int par3, int par4, int par5, int par6)
256 {
257 if ((par6 & 8) > 0)
258 {
259 int var7 = par6 & 7;
260 this.func_82536_d(par1World, par2, par3, par4, var7);
261 }
262
263 super.breakBlock(par1World, par2, par3, par4, par5, par6);
264 }
265
266 /**
267 * Is this block powering the block on the specified side
268 */
269 public boolean isPoweringTo(IBlockAccess par1IBlockAccess, int par2, int par3, int par4, int par5)
270 {
271 return (par1IBlockAccess.getBlockMetadata(par2, par3, par4) & 8) > 0;
272 }
273
274 /**
275 * Is this block indirectly powering the block on the specified side
276 */
277 public boolean isIndirectlyPoweringTo(IBlockAccess par1IBlockAccess, int par2, int par3, int par4, int par5)
278 {
279 int var6 = par1IBlockAccess.getBlockMetadata(par2, par3, par4);
280
281 if ((var6 & 8) == 0)
282 {
283 return false;
284 }
285 else
286 {
287 int var7 = var6 & 7;
288 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)));
289 }
290 }
291
292 /**
293 * Can this block provide power. Only wire currently seems to have this change based on its state.
294 */
295 public boolean canProvidePower()
296 {
297 return true;
298 }
299
300 /**
301 * Ticks the block if it's been scheduled
302 */
303 public void updateTick(World par1World, int par2, int par3, int par4, Random par5Random)
304 {
305 if (!par1World.isRemote)
306 {
307 int var6 = par1World.getBlockMetadata(par2, par3, par4);
308
309 if ((var6 & 8) != 0)
310 {
311 if (this.field_82537_a)
312 {
313 this.func_82535_o(par1World, par2, par3, par4);
314 }
315 else
316 {
317 par1World.setBlockMetadataWithNotify(par2, par3, par4, var6 & 7);
318 int var7 = var6 & 7;
319 this.func_82536_d(par1World, par2, par3, par4, var7);
320 par1World.playSoundEffect((double)par2 + 0.5D, (double)par3 + 0.5D, (double)par4 + 0.5D, "random.click", 0.3F, 0.5F);
321 par1World.markBlocksDirty(par2, par3, par4, par2, par3, par4);
322 }
323 }
324 }
325 }
326
327 /**
328 * Sets the block's bounds for rendering it as an item
329 */
330 public void setBlockBoundsForItemRender()
331 {
332 float var1 = 0.1875F;
333 float var2 = 0.125F;
334 float var3 = 0.125F;
335 this.setBlockBounds(0.5F - var1, 0.5F - var2, 0.5F - var3, 0.5F + var1, 0.5F + var2, 0.5F + var3);
336 }
337
338 /**
339 * Triggered whenever an entity collides with this block (enters into the block). Args: world, x, y, z, entity
340 */
341 public void onEntityCollidedWithBlock(World par1World, int par2, int par3, int par4, Entity par5Entity)
342 {
343 if (!par1World.isRemote)
344 {
345 if (this.field_82537_a)
346 {
347 if ((par1World.getBlockMetadata(par2, par3, par4) & 8) == 0)
348 {
349 this.func_82535_o(par1World, par2, par3, par4);
350 }
351 }
352 }
353 }
354
355 private void func_82535_o(World par1World, int par2, int par3, int par4)
356 {
357 int var5 = par1World.getBlockMetadata(par2, par3, par4);
358 int var6 = var5 & 7;
359 boolean var7 = (var5 & 8) != 0;
360 this.func_82534_e(var5);
361 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));
362 boolean var8 = !var9.isEmpty();
363
364 if (var8 && !var7)
365 {
366 par1World.setBlockMetadataWithNotify(par2, par3, par4, var6 | 8);
367 this.func_82536_d(par1World, par2, par3, par4, var6);
368 par1World.markBlocksDirty(par2, par3, par4, par2, par3, par4);
369 par1World.playSoundEffect((double)par2 + 0.5D, (double)par3 + 0.5D, (double)par4 + 0.5D, "random.click", 0.3F, 0.6F);
370 }
371
372 if (!var8 && var7)
373 {
374 par1World.setBlockMetadataWithNotify(par2, par3, par4, var6);
375 this.func_82536_d(par1World, par2, par3, par4, var6);
376 par1World.markBlocksDirty(par2, par3, par4, par2, par3, par4);
377 par1World.playSoundEffect((double)par2 + 0.5D, (double)par3 + 0.5D, (double)par4 + 0.5D, "random.click", 0.3F, 0.5F);
378 }
379
380 if (var8)
381 {
382 par1World.scheduleBlockUpdate(par2, par3, par4, this.blockID, this.tickRate());
383 }
384 }
385
386 private void func_82536_d(World par1World, int par2, int par3, int par4, int par5)
387 {
388 par1World.notifyBlocksOfNeighborChange(par2, par3, par4, this.blockID);
389
390 if (par5 == 1)
391 {
392 par1World.notifyBlocksOfNeighborChange(par2 - 1, par3, par4, this.blockID);
393 }
394 else if (par5 == 2)
395 {
396 par1World.notifyBlocksOfNeighborChange(par2 + 1, par3, par4, this.blockID);
397 }
398 else if (par5 == 3)
399 {
400 par1World.notifyBlocksOfNeighborChange(par2, par3, par4 - 1, this.blockID);
401 }
402 else if (par5 == 4)
403 {
404 par1World.notifyBlocksOfNeighborChange(par2, par3, par4 + 1, this.blockID);
405 }
406 else
407 {
408 par1World.notifyBlocksOfNeighborChange(par2, par3 - 1, par4, this.blockID);
409 }
410 }
411 }