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