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 /**
081 * called before onBlockPlacedBy by ItemBlock and ItemReed
082 */
083 public void updateBlockMetadata(World par1World, int par2, int par3, int par4, int par5, float par6, float par7, float par8)
084 {
085 int var9 = par1World.getBlockMetadata(par2, par3, par4);
086 int var10 = var9 & 8;
087 var9 &= 7;
088
089 ForgeDirection dir = ForgeDirection.getOrientation(par5);
090
091 if (dir == NORTH && par1World.isBlockSolidOnSide(par2, par3, par4 + 1, NORTH))
092 {
093 var9 = 4;
094 }
095 else if (dir == SOUTH && par1World.isBlockSolidOnSide(par2, par3, par4 - 1, SOUTH))
096 {
097 var9 = 3;
098 }
099 else if (dir == WEST && par1World.isBlockSolidOnSide(par2 + 1, par3, par4, WEST))
100 {
101 var9 = 2;
102 }
103 else if (dir == EAST && par1World.isBlockSolidOnSide(par2 - 1, par3, par4, EAST))
104 {
105 var9 = 1;
106 }
107 else
108 {
109 var9 = this.getOrientation(par1World, par2, par3, par4);
110 }
111
112 par1World.setBlockMetadataWithNotify(par2, par3, par4, var9 + var10);
113 }
114
115 /**
116 * Get side which this button is facing.
117 */
118 private int getOrientation(World par1World, int par2, int par3, int par4)
119 {
120 if (par1World.isBlockSolidOnSide(par2 - 1, par3, par4, EAST)) return 1;
121 if (par1World.isBlockSolidOnSide(par2 + 1, par3, par4, WEST)) return 2;
122 if (par1World.isBlockSolidOnSide(par2, par3, par4 - 1, SOUTH)) return 3;
123 if (par1World.isBlockSolidOnSide(par2, par3, par4 + 1, NORTH)) return 4;
124 return 1;
125 }
126
127 /**
128 * Lets the block know when one of its neighbor changes. Doesn't know which neighbor changed (coordinates passed are
129 * their own) Args: x, y, z, neighbor blockID
130 */
131 public void onNeighborBlockChange(World par1World, int par2, int par3, int par4, int par5)
132 {
133 if (this.redundantCanPlaceBlockAt(par1World, par2, par3, par4))
134 {
135 int var6 = par1World.getBlockMetadata(par2, par3, par4) & 7;
136 boolean var7 = false;
137
138 if (!par1World.isBlockSolidOnSide(par2 - 1, par3, par4, EAST) && var6 == 1)
139 {
140 var7 = true;
141 }
142
143 if (!par1World.isBlockSolidOnSide(par2 + 1, par3, par4, WEST) && var6 == 2)
144 {
145 var7 = true;
146 }
147
148 if (!par1World.isBlockSolidOnSide(par2, par3, par4 - 1, SOUTH) && var6 == 3)
149 {
150 var7 = true;
151 }
152
153 if (!par1World.isBlockSolidOnSide(par2, par3, par4 + 1, NORTH) && var6 == 4)
154 {
155 var7 = true;
156 }
157
158 if (var7)
159 {
160 this.dropBlockAsItem(par1World, par2, par3, par4, par1World.getBlockMetadata(par2, par3, par4), 0);
161 par1World.setBlockWithNotify(par2, par3, par4, 0);
162 }
163 }
164 }
165
166 /**
167 * This method is redundant, check it out...
168 */
169 private boolean redundantCanPlaceBlockAt(World par1World, int par2, int par3, int par4)
170 {
171 if (!this.canPlaceBlockAt(par1World, par2, par3, par4))
172 {
173 this.dropBlockAsItem(par1World, par2, par3, par4, par1World.getBlockMetadata(par2, par3, par4), 0);
174 par1World.setBlockWithNotify(par2, par3, par4, 0);
175 return false;
176 }
177 else
178 {
179 return true;
180 }
181 }
182
183 /**
184 * Updates the blocks bounds based on its current state. Args: world, x, y, z
185 */
186 public void setBlockBoundsBasedOnState(IBlockAccess par1IBlockAccess, int par2, int par3, int par4)
187 {
188 int var5 = par1IBlockAccess.getBlockMetadata(par2, par3, par4);
189 this.func_82534_e(var5);
190 }
191
192 private void func_82534_e(int par1)
193 {
194 int var2 = par1 & 7;
195 boolean var3 = (par1 & 8) > 0;
196 float var4 = 0.375F;
197 float var5 = 0.625F;
198 float var6 = 0.1875F;
199 float var7 = 0.125F;
200
201 if (var3)
202 {
203 var7 = 0.0625F;
204 }
205
206 if (var2 == 1)
207 {
208 this.setBlockBounds(0.0F, var4, 0.5F - var6, var7, var5, 0.5F + var6);
209 }
210 else if (var2 == 2)
211 {
212 this.setBlockBounds(1.0F - var7, var4, 0.5F - var6, 1.0F, var5, 0.5F + var6);
213 }
214 else if (var2 == 3)
215 {
216 this.setBlockBounds(0.5F - var6, var4, 0.0F, 0.5F + var6, var5, var7);
217 }
218 else if (var2 == 4)
219 {
220 this.setBlockBounds(0.5F - var6, var4, 1.0F - var7, 0.5F + var6, var5, 1.0F);
221 }
222 }
223
224 /**
225 * Called when the block is clicked by a player. Args: x, y, z, entityPlayer
226 */
227 public void onBlockClicked(World par1World, int par2, int par3, int par4, EntityPlayer par5EntityPlayer) {}
228
229 /**
230 * Called upon block activation (right click on the block.)
231 */
232 public boolean onBlockActivated(World par1World, int par2, int par3, int par4, EntityPlayer par5EntityPlayer, int par6, float par7, float par8, float par9)
233 {
234 int var10 = par1World.getBlockMetadata(par2, par3, par4);
235 int var11 = var10 & 7;
236 int var12 = 8 - (var10 & 8);
237
238 if (var12 == 0)
239 {
240 return true;
241 }
242 else
243 {
244 par1World.setBlockMetadataWithNotify(par2, par3, par4, var11 + var12);
245 par1World.markBlocksDirty(par2, par3, par4, par2, par3, par4);
246 par1World.playSoundEffect((double)par2 + 0.5D, (double)par3 + 0.5D, (double)par4 + 0.5D, "random.click", 0.3F, 0.6F);
247 this.func_82536_d(par1World, par2, par3, par4, var11);
248 par1World.scheduleBlockUpdate(par2, par3, par4, this.blockID, this.tickRate());
249 return true;
250 }
251 }
252
253 /**
254 * ejects contained items into the world, and notifies neighbours of an update, as appropriate
255 */
256 public void breakBlock(World par1World, int par2, int par3, int par4, int par5, int par6)
257 {
258 if ((par6 & 8) > 0)
259 {
260 int var7 = par6 & 7;
261 this.func_82536_d(par1World, par2, par3, par4, var7);
262 }
263
264 super.breakBlock(par1World, par2, par3, par4, par5, par6);
265 }
266
267 /**
268 * Is this block powering the block on the specified side
269 */
270 public boolean isPoweringTo(IBlockAccess par1IBlockAccess, int par2, int par3, int par4, int par5)
271 {
272 return (par1IBlockAccess.getBlockMetadata(par2, par3, par4) & 8) > 0;
273 }
274
275 /**
276 * Is this block indirectly powering the block on the specified side
277 */
278 public boolean isIndirectlyPoweringTo(IBlockAccess par1IBlockAccess, int par2, int par3, int par4, int par5)
279 {
280 int var6 = par1IBlockAccess.getBlockMetadata(par2, par3, par4);
281
282 if ((var6 & 8) == 0)
283 {
284 return false;
285 }
286 else
287 {
288 int var7 = var6 & 7;
289 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)));
290 }
291 }
292
293 /**
294 * Can this block provide power. Only wire currently seems to have this change based on its state.
295 */
296 public boolean canProvidePower()
297 {
298 return true;
299 }
300
301 /**
302 * Ticks the block if it's been scheduled
303 */
304 public void updateTick(World par1World, int par2, int par3, int par4, Random par5Random)
305 {
306 if (!par1World.isRemote)
307 {
308 int var6 = par1World.getBlockMetadata(par2, par3, par4);
309
310 if ((var6 & 8) != 0)
311 {
312 if (this.sensible)
313 {
314 this.func_82535_o(par1World, par2, par3, par4);
315 }
316 else
317 {
318 par1World.setBlockMetadataWithNotify(par2, par3, par4, var6 & 7);
319 int var7 = var6 & 7;
320 this.func_82536_d(par1World, par2, par3, par4, var7);
321 par1World.playSoundEffect((double)par2 + 0.5D, (double)par3 + 0.5D, (double)par4 + 0.5D, "random.click", 0.3F, 0.5F);
322 par1World.markBlocksDirty(par2, par3, par4, par2, par3, par4);
323 }
324 }
325 }
326 }
327
328 /**
329 * Sets the block's bounds for rendering it as an item
330 */
331 public void setBlockBoundsForItemRender()
332 {
333 float var1 = 0.1875F;
334 float var2 = 0.125F;
335 float var3 = 0.125F;
336 this.setBlockBounds(0.5F - var1, 0.5F - var2, 0.5F - var3, 0.5F + var1, 0.5F + var2, 0.5F + var3);
337 }
338
339 /**
340 * Triggered whenever an entity collides with this block (enters into the block). Args: world, x, y, z, entity
341 */
342 public void onEntityCollidedWithBlock(World par1World, int par2, int par3, int par4, Entity par5Entity)
343 {
344 if (!par1World.isRemote)
345 {
346 if (this.sensible)
347 {
348 if ((par1World.getBlockMetadata(par2, par3, par4) & 8) == 0)
349 {
350 this.func_82535_o(par1World, par2, par3, par4);
351 }
352 }
353 }
354 }
355
356 private void func_82535_o(World par1World, int par2, int par3, int par4)
357 {
358 int var5 = par1World.getBlockMetadata(par2, par3, par4);
359 int var6 = var5 & 7;
360 boolean var7 = (var5 & 8) != 0;
361 this.func_82534_e(var5);
362 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));
363 boolean var8 = !var9.isEmpty();
364
365 if (var8 && !var7)
366 {
367 par1World.setBlockMetadataWithNotify(par2, par3, par4, var6 | 8);
368 this.func_82536_d(par1World, par2, par3, par4, var6);
369 par1World.markBlocksDirty(par2, par3, par4, par2, par3, par4);
370 par1World.playSoundEffect((double)par2 + 0.5D, (double)par3 + 0.5D, (double)par4 + 0.5D, "random.click", 0.3F, 0.6F);
371 }
372
373 if (!var8 && var7)
374 {
375 par1World.setBlockMetadataWithNotify(par2, par3, par4, var6);
376 this.func_82536_d(par1World, par2, par3, par4, var6);
377 par1World.markBlocksDirty(par2, par3, par4, par2, par3, par4);
378 par1World.playSoundEffect((double)par2 + 0.5D, (double)par3 + 0.5D, (double)par4 + 0.5D, "random.click", 0.3F, 0.5F);
379 }
380
381 if (var8)
382 {
383 par1World.scheduleBlockUpdate(par2, par3, par4, this.blockID, this.tickRate());
384 }
385 }
386
387 private void func_82536_d(World par1World, int par2, int par3, int par4, int par5)
388 {
389 par1World.notifyBlocksOfNeighborChange(par2, par3, par4, this.blockID);
390
391 if (par5 == 1)
392 {
393 par1World.notifyBlocksOfNeighborChange(par2 - 1, par3, par4, this.blockID);
394 }
395 else if (par5 == 2)
396 {
397 par1World.notifyBlocksOfNeighborChange(par2 + 1, par3, par4, this.blockID);
398 }
399 else if (par5 == 3)
400 {
401 par1World.notifyBlocksOfNeighborChange(par2, par3, par4 - 1, this.blockID);
402 }
403 else if (par5 == 4)
404 {
405 par1World.notifyBlocksOfNeighborChange(par2, par3, par4 + 1, this.blockID);
406 }
407 else
408 {
409 par1World.notifyBlocksOfNeighborChange(par2, par3 - 1, par4, this.blockID);
410 }
411 }
412 }