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package net.minecraft.server;
// CraftBukkit start
import org.bukkit.craftbukkit.block.CraftBlockState;
import org.bukkit.craftbukkit.event.CraftEventFactory;
import org.bukkit.event.block.BlockPlaceEvent;
// CraftBukkit end
public class ItemBlock extends Item {
private int id;
public ItemBlock(int i) {
super(i);
this.id = 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) {
int clickedX = i, clickedY = j, clickedZ = k; // CraftBukkit
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 if (j == 127 && Block.byId[this.id].material.isBuildable()) {
return false;
} else if (world.a(this.id, i, j, k, false, l)) {
Block block = Block.byId[this.id];
// CraftBukkit start - This executes the placement of the block
CraftBlockState replacedBlockState = CraftBlockState.getBlockState(world, i, j, k);
// There are like 30 combinations you can mix and match steps and double steps
// of different materials, so there are a lot of different cases of what
// would happen if you place x step onto another y step, so let's just keep
// track of the entire state
CraftBlockState blockStateBelow = null;
// Toggles whether the normal or the block below is used for the place event
boolean eventUseBlockBelow = false;
if ((world.getTypeId(i, j - 1, k) == Block.STEP.id || world.getTypeId(i, j - 1, k) == Block.DOUBLE_STEP.id)
&& (itemstack.id == Block.DOUBLE_STEP.id || itemstack.id == Block.STEP.id)) {
blockStateBelow = CraftBlockState.getBlockState(world, i, j - 1, k);
// Step is placed on step, forms a doublestep replacing the original step, so we need the lower block
eventUseBlockBelow = itemstack.id == Block.STEP.id && blockStateBelow.getTypeId() == Block.STEP.id;
}
/**
* @see net.minecraft.server.World#setTypeIdAndData(int i, int j, int k, int l, int i1)
*
* This replaces world.setTypeIdAndData(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.setTypeIdAndData' changes we need to figure out again what to
* replace this with.
*/
if (world.setRawTypeIdAndData(i, j, k, this.id, this.filterData(itemstack.getData()))) { // <-- world.setTypeIdAndData does this to place the block
BlockPlaceEvent event = CraftEventFactory.callBlockPlaceEvent(world, entityhuman, eventUseBlockBelow ? blockStateBelow : replacedBlockState, clickedX, clickedY, clickedZ, block);
if (event.isCancelled() || !event.canBuild()) {
if (blockStateBelow != null) { // Used for steps
world.setTypeIdAndData(i, j, k, replacedBlockState.getTypeId(), replacedBlockState.getRawData());
world.setTypeIdAndData(i, j - 1, k, blockStateBelow.getTypeId(), blockStateBelow.getRawData());
} else {
if (this.id == Block.ICE.id) {
// Ice will explode if we set straight to 0
world.setTypeId(i, j, k, 20);
}
world.setTypeIdAndData(i, j, k, replacedBlockState.getTypeId(), replacedBlockState.getRawData());
}
return true;
}
world.update(i, j, k, this.id); // <-- world.setTypeIdAndData does this on success (tell the world)
// CraftBukkit end
Block.byId[this.id].postPlace(world, i, j, k, l);
Block.byId[this.id].postPlace(world, i, j, k, entityhuman);
world.makeSound((double) ((float) i + 0.5F), (double) ((float) j + 0.5F), (double) ((float) k + 0.5F), block.stepSound.getName(), (block.stepSound.getVolume1() + 1.0F) / 2.0F, block.stepSound.getVolume2() * 0.8F);
--itemstack.count;
}
return true;
} else {
return false;
}
}
public String a() {
return Block.byId[this.id].l();
}
}
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