001 package net.minecraft.block;
002
003 import java.util.List;
004 import java.util.Random;
005 import net.minecraft.block.material.Material;
006 import net.minecraft.creativetab.CreativeTabs;
007 import net.minecraft.entity.Entity;
008 import net.minecraft.entity.player.EntityPlayer;
009 import net.minecraft.entity.projectile.EntityArrow;
010 import net.minecraft.util.AxisAlignedBB;
011 import net.minecraft.world.IBlockAccess;
012 import net.minecraft.world.World;
013
014 import net.minecraftforge.common.ForgeDirection;
015 import static net.minecraftforge.common.ForgeDirection.*;
016
017 public class BlockButton extends Block
018 {
019 /** Whether this button is sensible to arrows, used by wooden buttons. */
020 protected boolean sensible;
021
022 protected BlockButton(int par1, int par2, boolean par3)
023 {
024 super(par1, par2, Material.circuits);
025 this.setTickRandomly(true);
026 this.setCreativeTab(CreativeTabs.tabRedstone);
027 this.sensible = par3;
028 }
029
030 /**
031 * Returns a bounding box from the pool of bounding boxes (this means this box can change after the pool has been
032 * cleared to be reused)
033 */
034 public AxisAlignedBB getCollisionBoundingBoxFromPool(World par1World, int par2, int par3, int par4)
035 {
036 return null;
037 }
038
039 /**
040 * How many world ticks before ticking
041 */
042 public int tickRate()
043 {
044 return this.sensible ? 30 : 20;
045 }
046
047 /**
048 * Is this block (a) opaque and (b) a full 1m cube? This determines whether or not to render the shared face of two
049 * adjacent blocks and also whether the player can attach torches, redstone wire, etc to this block.
050 */
051 public boolean isOpaqueCube()
052 {
053 return false;
054 }
055
056 /**
057 * If this block doesn't render as an ordinary block it will return False (examples: signs, buttons, stairs, etc)
058 */
059 public boolean renderAsNormalBlock()
060 {
061 return false;
062 }
063
064 /**
065 * checks to see if you can place this block can be placed on that side of a block: BlockLever overrides
066 */
067 public boolean canPlaceBlockOnSide(World par1World, int par2, int par3, int par4, int par5)
068 {
069 ForgeDirection dir = ForgeDirection.getOrientation(par5);
070 return (dir == NORTH && par1World.isBlockSolidOnSide(par2, par3, par4 + 1, NORTH)) ||
071 (dir == SOUTH && par1World.isBlockSolidOnSide(par2, par3, par4 - 1, SOUTH)) ||
072 (dir == WEST && par1World.isBlockSolidOnSide(par2 + 1, par3, par4, WEST)) ||
073 (dir == EAST && par1World.isBlockSolidOnSide(par2 - 1, par3, par4, EAST));
074 }
075
076 /**
077 * Checks to see if its valid to put this block at the specified coordinates. Args: world, x, y, z
078 */
079 public boolean canPlaceBlockAt(World par1World, int par2, int par3, int par4)
080 {
081 return (par1World.isBlockSolidOnSide(par2 - 1, par3, par4, EAST)) ||
082 (par1World.isBlockSolidOnSide(par2 + 1, par3, par4, WEST)) ||
083 (par1World.isBlockSolidOnSide(par2, par3, par4 - 1, SOUTH)) ||
084 (par1World.isBlockSolidOnSide(par2, par3, par4 + 1, NORTH));
085 }
086
087 public int func_85104_a(World par1World, int par2, int par3, int par4, int par5, float par6, float par7, float par8, int par9)
088 {
089 int var10 = par1World.getBlockMetadata(par2, par3, par4);
090 int var11 = var10 & 8;
091 var10 &= 7;
092
093
094 ForgeDirection dir = ForgeDirection.getOrientation(par5);
095
096 if (dir == NORTH && par1World.isBlockSolidOnSide(par2, par3, par4 + 1, NORTH))
097 {
098 var10 = 4;
099 }
100 else if (dir == SOUTH && par1World.isBlockSolidOnSide(par2, par3, par4 - 1, SOUTH))
101 {
102 var10 = 3;
103 }
104 else if (dir == WEST && par1World.isBlockSolidOnSide(par2 + 1, par3, par4, WEST))
105 {
106 var10 = 2;
107 }
108 else if (dir == EAST && par1World.isBlockSolidOnSide(par2 - 1, par3, par4, EAST))
109 {
110 var10 = 1;
111 }
112 else
113 {
114 var10 = this.getOrientation(par1World, par2, par3, par4);
115 }
116
117 return var10 + var11;
118 }
119
120 /**
121 * Get side which this button is facing.
122 */
123 private int getOrientation(World par1World, int par2, int par3, int par4)
124 {
125 if (par1World.isBlockSolidOnSide(par2 - 1, par3, par4, EAST)) return 1;
126 if (par1World.isBlockSolidOnSide(par2 + 1, par3, par4, WEST)) return 2;
127 if (par1World.isBlockSolidOnSide(par2, par3, par4 - 1, SOUTH)) return 3;
128 if (par1World.isBlockSolidOnSide(par2, par3, par4 + 1, NORTH)) return 4;
129 return 1;
130 }
131
132 /**
133 * Lets the block know when one of its neighbor changes. Doesn't know which neighbor changed (coordinates passed are
134 * their own) Args: x, y, z, neighbor blockID
135 */
136 public void onNeighborBlockChange(World par1World, int par2, int par3, int par4, int par5)
137 {
138 if (this.redundantCanPlaceBlockAt(par1World, par2, par3, par4))
139 {
140 int var6 = par1World.getBlockMetadata(par2, par3, par4) & 7;
141 boolean var7 = false;
142
143 if (!par1World.isBlockSolidOnSide(par2 - 1, par3, par4, EAST) && var6 == 1)
144 {
145 var7 = true;
146 }
147
148 if (!par1World.isBlockSolidOnSide(par2 + 1, par3, par4, WEST) && var6 == 2)
149 {
150 var7 = true;
151 }
152
153 if (!par1World.isBlockSolidOnSide(par2, par3, par4 - 1, SOUTH) && var6 == 3)
154 {
155 var7 = true;
156 }
157
158 if (!par1World.isBlockSolidOnSide(par2, par3, par4 + 1, NORTH) && var6 == 4)
159 {
160 var7 = true;
161 }
162
163 if (var7)
164 {
165 this.dropBlockAsItem(par1World, par2, par3, par4, par1World.getBlockMetadata(par2, par3, par4), 0);
166 par1World.setBlockWithNotify(par2, par3, par4, 0);
167 }
168 }
169 }
170
171 /**
172 * This method is redundant, check it out...
173 */
174 private boolean redundantCanPlaceBlockAt(World par1World, int par2, int par3, int par4)
175 {
176 if (!this.canPlaceBlockAt(par1World, par2, par3, par4))
177 {
178 this.dropBlockAsItem(par1World, par2, par3, par4, par1World.getBlockMetadata(par2, par3, par4), 0);
179 par1World.setBlockWithNotify(par2, par3, par4, 0);
180 return false;
181 }
182 else
183 {
184 return true;
185 }
186 }
187
188 /**
189 * Updates the blocks bounds based on its current state. Args: world, x, y, z
190 */
191 public void setBlockBoundsBasedOnState(IBlockAccess par1IBlockAccess, int par2, int par3, int par4)
192 {
193 int var5 = par1IBlockAccess.getBlockMetadata(par2, par3, par4);
194 this.func_82534_e(var5);
195 }
196
197 private void func_82534_e(int par1)
198 {
199 int var2 = par1 & 7;
200 boolean var3 = (par1 & 8) > 0;
201 float var4 = 0.375F;
202 float var5 = 0.625F;
203 float var6 = 0.1875F;
204 float var7 = 0.125F;
205
206 if (var3)
207 {
208 var7 = 0.0625F;
209 }
210
211 if (var2 == 1)
212 {
213 this.setBlockBounds(0.0F, var4, 0.5F - var6, var7, var5, 0.5F + var6);
214 }
215 else if (var2 == 2)
216 {
217 this.setBlockBounds(1.0F - var7, var4, 0.5F - var6, 1.0F, var5, 0.5F + var6);
218 }
219 else if (var2 == 3)
220 {
221 this.setBlockBounds(0.5F - var6, var4, 0.0F, 0.5F + var6, var5, var7);
222 }
223 else if (var2 == 4)
224 {
225 this.setBlockBounds(0.5F - var6, var4, 1.0F - var7, 0.5F + var6, var5, 1.0F);
226 }
227 }
228
229 /**
230 * Called when the block is clicked by a player. Args: x, y, z, entityPlayer
231 */
232 public void onBlockClicked(World par1World, int par2, int par3, int par4, EntityPlayer par5EntityPlayer) {}
233
234 /**
235 * Called upon block activation (right click on the block.)
236 */
237 public boolean onBlockActivated(World par1World, int par2, int par3, int par4, EntityPlayer par5EntityPlayer, int par6, float par7, float par8, float par9)
238 {
239 int var10 = par1World.getBlockMetadata(par2, par3, par4);
240 int var11 = var10 & 7;
241 int var12 = 8 - (var10 & 8);
242
243 if (var12 == 0)
244 {
245 return true;
246 }
247 else
248 {
249 par1World.setBlockMetadataWithNotify(par2, par3, par4, var11 + var12);
250 par1World.markBlockRangeForRenderUpdate(par2, par3, par4, par2, par3, par4);
251 par1World.playSoundEffect((double)par2 + 0.5D, (double)par3 + 0.5D, (double)par4 + 0.5D, "random.click", 0.3F, 0.6F);
252 this.func_82536_d(par1World, par2, par3, par4, var11);
253 par1World.scheduleBlockUpdate(par2, par3, par4, this.blockID, this.tickRate());
254 return true;
255 }
256 }
257
258 /**
259 * ejects contained items into the world, and notifies neighbours of an update, as appropriate
260 */
261 public void breakBlock(World par1World, int par2, int par3, int par4, int par5, int par6)
262 {
263 if ((par6 & 8) > 0)
264 {
265 int var7 = par6 & 7;
266 this.func_82536_d(par1World, par2, par3, par4, var7);
267 }
268
269 super.breakBlock(par1World, par2, par3, par4, par5, par6);
270 }
271
272 /**
273 * Returns true if the block is emitting indirect/weak redstone power on the specified side. If isBlockNormalCube
274 * returns true, standard redstone propagation rules will apply instead and this will not be called. Args: World, X,
275 * Y, Z, side
276 */
277 public boolean isProvidingWeakPower(IBlockAccess par1IBlockAccess, int par2, int par3, int par4, int par5)
278 {
279 return (par1IBlockAccess.getBlockMetadata(par2, par3, par4) & 8) > 0;
280 }
281
282 /**
283 * Returns true if the block is emitting direct/strong redstone power on the specified side. Args: World, X, Y, Z,
284 * side
285 */
286 public boolean isProvidingStrongPower(IBlockAccess par1IBlockAccess, int par2, int par3, int par4, int par5)
287 {
288 int var6 = par1IBlockAccess.getBlockMetadata(par2, par3, par4);
289
290 if ((var6 & 8) == 0)
291 {
292 return false;
293 }
294 else
295 {
296 int var7 = var6 & 7;
297 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)));
298 }
299 }
300
301 /**
302 * Can this block provide power. Only wire currently seems to have this change based on its state.
303 */
304 public boolean canProvidePower()
305 {
306 return true;
307 }
308
309 /**
310 * Ticks the block if it's been scheduled
311 */
312 public void updateTick(World par1World, int par2, int par3, int par4, Random par5Random)
313 {
314 if (!par1World.isRemote)
315 {
316 int var6 = par1World.getBlockMetadata(par2, par3, par4);
317
318 if ((var6 & 8) != 0)
319 {
320 if (this.sensible)
321 {
322 this.func_82535_o(par1World, par2, par3, par4);
323 }
324 else
325 {
326 par1World.setBlockMetadataWithNotify(par2, par3, par4, var6 & 7);
327 int var7 = var6 & 7;
328 this.func_82536_d(par1World, par2, par3, par4, var7);
329 par1World.playSoundEffect((double)par2 + 0.5D, (double)par3 + 0.5D, (double)par4 + 0.5D, "random.click", 0.3F, 0.5F);
330 par1World.markBlockRangeForRenderUpdate(par2, par3, par4, par2, par3, par4);
331 }
332 }
333 }
334 }
335
336 /**
337 * Sets the block's bounds for rendering it as an item
338 */
339 public void setBlockBoundsForItemRender()
340 {
341 float var1 = 0.1875F;
342 float var2 = 0.125F;
343 float var3 = 0.125F;
344 this.setBlockBounds(0.5F - var1, 0.5F - var2, 0.5F - var3, 0.5F + var1, 0.5F + var2, 0.5F + var3);
345 }
346
347 /**
348 * Triggered whenever an entity collides with this block (enters into the block). Args: world, x, y, z, entity
349 */
350 public void onEntityCollidedWithBlock(World par1World, int par2, int par3, int par4, Entity par5Entity)
351 {
352 if (!par1World.isRemote)
353 {
354 if (this.sensible)
355 {
356 if ((par1World.getBlockMetadata(par2, par3, par4) & 8) == 0)
357 {
358 this.func_82535_o(par1World, par2, par3, par4);
359 }
360 }
361 }
362 }
363
364 protected void func_82535_o(World par1World, int par2, int par3, int par4)
365 {
366 int var5 = par1World.getBlockMetadata(par2, par3, par4);
367 int var6 = var5 & 7;
368 boolean var7 = (var5 & 8) != 0;
369 this.func_82534_e(var5);
370 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));
371 boolean var8 = !var9.isEmpty();
372
373 if (var8 && !var7)
374 {
375 par1World.setBlockMetadataWithNotify(par2, par3, par4, var6 | 8);
376 this.func_82536_d(par1World, par2, par3, par4, var6);
377 par1World.markBlockRangeForRenderUpdate(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, 0.6F);
379 }
380
381 if (!var8 && var7)
382 {
383 par1World.setBlockMetadataWithNotify(par2, par3, par4, var6);
384 this.func_82536_d(par1World, par2, par3, par4, var6);
385 par1World.markBlockRangeForRenderUpdate(par2, par3, par4, par2, par3, par4);
386 par1World.playSoundEffect((double)par2 + 0.5D, (double)par3 + 0.5D, (double)par4 + 0.5D, "random.click", 0.3F, 0.5F);
387 }
388
389 if (var8)
390 {
391 par1World.scheduleBlockUpdate(par2, par3, par4, this.blockID, this.tickRate());
392 }
393 }
394
395 private void func_82536_d(World par1World, int par2, int par3, int par4, int par5)
396 {
397 par1World.notifyBlocksOfNeighborChange(par2, par3, par4, this.blockID);
398
399 if (par5 == 1)
400 {
401 par1World.notifyBlocksOfNeighborChange(par2 - 1, par3, par4, this.blockID);
402 }
403 else if (par5 == 2)
404 {
405 par1World.notifyBlocksOfNeighborChange(par2 + 1, par3, par4, this.blockID);
406 }
407 else if (par5 == 3)
408 {
409 par1World.notifyBlocksOfNeighborChange(par2, par3, par4 - 1, this.blockID);
410 }
411 else if (par5 == 4)
412 {
413 par1World.notifyBlocksOfNeighborChange(par2, par3, par4 + 1, this.blockID);
414 }
415 else
416 {
417 par1World.notifyBlocksOfNeighborChange(par2, par3 - 1, par4, this.blockID);
418 }
419 }
420 }