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 }