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package net.minecraft.server;
// CraftBukkit start
import org.bukkit.block.BlockFace;
import org.bukkit.block.BlockState;
import org.bukkit.craftbukkit.block.CraftBlock;
import org.bukkit.craftbukkit.block.CraftBlockState;
import org.bukkit.craftbukkit.inventory.CraftItemStack;
import org.bukkit.entity.Player;
import org.bukkit.event.Event.Type;
import org.bukkit.event.block.BlockPlaceEvent;
// CraftBukkit end
public class ItemBlock extends Item {
private int a;
public ItemBlock(int i) {
super(i);
this.a = i + 256;
this.b(Block.byId[i + 256].a(2));
}
public boolean a(ItemStack itemstack, EntityHuman entityhuman, World world, int i, int j, int k, int l) {
// CraftBukkit start
// Bail if we have nothing of the item in hand
if (itemstack.count == 0) {
return false;
}
// CraftBukkit store info of the clicked block
CraftBlock blockClicked = (CraftBlock) ((WorldServer) world).getWorld().getBlockAt(i, j, k);
BlockFace faceClicked = CraftBlock.notchToBlockFace(l);
// CraftBukkit end
if (world.getTypeId(i, j, k) == Block.SNOW.id) {
l = 0;
} else {
if (l == 0) {
--j;
}
if (l == 1) {
++j;
}
if (l == 2) {
--k;
}
if (l == 3) {
++k;
}
if (l == 4) {
--i;
}
if (l == 5) {
++i;
}
}
if (itemstack.count == 0) {
return false;
} else {
// CraftBukkit start
/* We store the old data so we can undo it. Snow(78) and half-steps(44) are special in that they replace the block itself,
* rather than the block touching the face we clicked on.
*/
org.bukkit.block.Block replacedBlock = (blockClicked.getTypeId() == Block.SNOW.id || blockClicked.getTypeId() == Block.STEP.id) ? blockClicked:blockClicked.getFace(faceClicked);
final BlockState replacedBlockState = new CraftBlockState(replacedBlock);
// CraftBukkit end
if (world.a(this.a, i, j, k, false)) {
Block block = Block.byId[this.a];
// CraftBukkit start - This executes the placement of the block
/*
* This replaces world.b(IIIII), we're doing this because we need to
* hook between the 'placement' and the informing to 'world' so we can
* sanely undo this.
*
* Whenever the call to 'world.b' changes we need to figure out again what to
* replace this with.
*/
if (world.setTypeIdAndData(i, j, k, a, a(itemstack.h()))) { // <-- world.b does this to place the block
org.bukkit.Server server = ((WorldServer) world).getServer();
Type eventType = Type.BLOCK_PLACED;
org.bukkit.block.Block placedBlock = blockClicked.getFace(faceClicked) ;
org.bukkit.inventory.ItemStack itemInHand = new CraftItemStack(itemstack);
Player thePlayer = (entityhuman ==null) ? null : (Player) entityhuman.getBukkitEntity();
int distanceFromSpawn = (int) Math.max(Math.abs(i - world.spawnX), Math.abs(k - world.spawnZ));
// CraftBukkit hardcoded Spawn distance for now
// TODO make spawn size configurable
boolean canBuild = distanceFromSpawn > 16 || thePlayer.isOp();
BlockPlaceEvent event = new BlockPlaceEvent(eventType, placedBlock, replacedBlockState, blockClicked, itemInHand, thePlayer, canBuild);
server.getPluginManager().callEvent(event);
if (event.isCancelled() || !event.canBuild()) {
// CraftBukkit Undo!
if (this.a == block.ICE.id) {
// Ice will explode if we set straight to 0
world.setTypeId(i, j, k, 20);
} else if ((this.a == Block.STEP.id) && (world.getTypeId(i, j - 1, k) == Block.DOUBLE_STEP.id) && (world.getTypeId(i, j, k) == 0)) {
// Half steps automatically set the block below to a double
world.setTypeId(i, j - 1, k, 44);
}
world.setTypeIdAndData(i, j, k, replacedBlockState.getTypeId(), replacedBlockState.getData().getData());
} else {
world.f(i, j, k, a); // <-- world.b does this on success (tell the world)
Block.byId[this.a].c(world, i, j, k, l);
Block.byId[this.a].a(world, i, j, k, (EntityLiving) entityhuman);
world.a((double) ((float) i + 0.5F), (double) ((float) j + 0.5F), (double) ((float) k + 0.5F), block.stepSound.c(), (block.stepSound.a() + 1.0F) / 2.0F, block.stepSound.b() * 0.8F);
--itemstack.count;
}
// CraftBukkit end
}
}
return true;
}
}
public String a() {
return Block.byId[this.a].e();
}
}
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