PaperMC/src/main/java/net/minecraft/server/ItemInWorldManager.java

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package net.minecraft.server;
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// CraftBukkit start
import org.bukkit.event.block.BlockBreakEvent;
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import org.bukkit.event.block.BlockDamageEvent;
import org.bukkit.craftbukkit.CraftServer;
import org.bukkit.craftbukkit.event.CraftEventFactory;
import org.bukkit.event.Event;
import org.bukkit.event.block.Action;
import org.bukkit.event.player.PlayerInteractEvent;
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// CraftBukkit end
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public class ItemInWorldManager {
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private World b;
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public EntityHuman a;
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private float c = 0.0F;
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private int d;
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private int e = 0;
private float f = 0.0F;
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private int g;
private int h;
private int i;
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private int j;
private boolean k;
private int l;
private int m;
private int n;
private int o;
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public ItemInWorldManager(World world) {
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this.b = world;
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}
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public void a() {
++this.j;
if (this.k) {
int i = this.j - this.o;
int j = this.b.getTypeId(this.l, this.m, this.n);
if (j != 0) {
Block block = Block.byId[j];
float f = block.a(this.a) * (float) (i + 1);
if (f >= 1.0F) {
this.k = false;
this.d(this.l, this.m, this.n);
}
} else {
this.k = false;
}
}
}
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// CraftBukkit added face
public void a(int i, int j, int k, int face) {
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this.d = this.j;
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int l = this.b.getTypeId(i, j, k);
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// CraftBukkit start
// Swings at air do *NOT* exist.
if (l <= 0) {
return;
}
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PlayerInteractEvent event = CraftEventFactory.callPlayerInteractEvent(this.a, Action.LEFT_CLICK_BLOCK , i, j, k, face, this.a.inventory.b());
if (event.useInteractedBlock() == Event.Result.DENY) {
// If we denied a door from opening, we need to send a correcting update to the client, as it already opened the door.
if (l == Block.WOODEN_DOOR.id) {
// For some reason *BOTH* the bottom/top part have to be marked updated.
boolean bottom = (this.b.getData(i, j, k) & 8) == 0;
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((EntityPlayer) this.a).a.b((Packet) (new Packet53BlockChange(i, j, k, this.b)));
((EntityPlayer) this.a).a.b((Packet) (new Packet53BlockChange(i, j + (bottom ? 1 : -1), k, this.b)));
}
} else {
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Block.byId[l].b(this.b, i, j, k, this.a);
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}
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// Handle hitting a block
float toolDamage = Block.byId[l].a(this.a);
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if (event.useItemInHand() == Event.Result.DENY) {
// If we 'insta destroyed' then the client needs to be informed.
if (toolDamage > 1.0f) {
((EntityPlayer) this.a).a.b((Packet) (new Packet53BlockChange(i, j, k, this.b)));
}
return;
}
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BlockDamageEvent blockEvent = CraftEventFactory.callBlockDamageEvent(this.a, i, j, k, this.a.inventory.b(), toolDamage >= 1.0f);
if (blockEvent.isCancelled()) {
return;
}
if (blockEvent.getInstaBreak()) {
toolDamage = 2.0f;
}
if (toolDamage >= 1.0F) {
// CraftBukkit end
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this.d(i, j, k);
} else {
this.g = i;
this.h = j;
this.i = k;
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}
}
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public void b(int i, int j, int k) {
if (i == this.g && j == this.h && k == this.i) {
int l = this.j - this.d;
int i1 = this.b.getTypeId(i, j, k);
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if (i1 != 0) {
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Block block = Block.byId[i1];
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float f = block.a(this.a) * (float) (l + 1);
if (f >= 1.0F) {
this.d(i, j, k);
} else if (!this.k) {
this.k = true;
this.l = i;
this.m = j;
this.n = k;
this.o = this.d;
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}
}
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// CraftBukkit start -- force blockreset to client
} else {
((EntityPlayer) this.a).a.b((Packet) (new Packet53BlockChange(i, j, k, this.b)));
// CraftBukkit end
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}
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this.c = 0.0F;
this.e = 0;
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}
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public boolean c(int i, int j, int k) {
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Block block = Block.byId[this.b.getTypeId(i, j, k)];
int l = this.b.getData(i, j, k);
boolean flag = this.b.e(i, j, k, 0);
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if (block != null && flag) {
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block.b(this.b, i, j, k, l);
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}
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return flag;
}
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public boolean d(int i, int j, int k) {
// CraftBukkit start
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if (this.a instanceof EntityPlayer) {
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CraftServer server = ((WorldServer) this.b).getServer();
org.bukkit.block.Block block = ((WorldServer) this.b).getWorld().getBlockAt(i, j, k);
org.bukkit.entity.Player player = (org.bukkit.entity.Player) this.a.getBukkitEntity();
BlockBreakEvent event = new BlockBreakEvent(block,player);
server.getPluginManager().callEvent(event);
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if (event.isCancelled()) {
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return false;
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}
}
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// CraftBukkit end
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int l = this.b.getTypeId(i, j, k);
int i1 = this.b.getData(i, j, k);
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boolean flag = this.c(i, j, k);
ItemStack itemstack = this.a.z();
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if (itemstack != null) {
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itemstack.a(l, i, j, k);
if (itemstack.count == 0) {
itemstack.a(this.a);
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this.a.A();
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}
}
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if (flag && this.a.b(Block.byId[l])) {
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Block.byId[l].a_(this.b, i, j, k, i1);
((EntityPlayer) this.a).a.b((Packet) (new Packet53BlockChange(i, j, k, this.b)));
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}
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return flag;
}
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public boolean a(EntityHuman entityhuman, World world, ItemStack itemstack) {
int i = itemstack.count;
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ItemStack itemstack1 = itemstack.a(world, entityhuman);
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if (itemstack1 == itemstack && (itemstack1 == null || itemstack1.count == i)) {
return false;
} else {
entityhuman.inventory.a[entityhuman.inventory.c] = itemstack1;
if (itemstack1.count == 0) {
entityhuman.inventory.a[entityhuman.inventory.c] = null;
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}
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return true;
}
}
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public boolean a(EntityHuman entityhuman, World world, ItemStack itemstack, int i, int j, int k, int l) {
int i1 = world.getTypeId(i, j, k);
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// CraftBukkit start - Interact
boolean result = false;
if (i1 > 0) {
PlayerInteractEvent event = CraftEventFactory.callPlayerInteractEvent(entityhuman, Action.RIGHT_CLICK_BLOCK, i, j, k, l, itemstack);
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if (event.useInteractedBlock() == Event.Result.DENY) {
// If we denied a door from opening, we need to send a correcting update to the client, as it already opened the door.
if (i1 == Block.WOODEN_DOOR.id) {
boolean bottom = (world.getData(i, j, k) & 8) == 0;
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((EntityPlayer) entityhuman).a.b((Packet) (new Packet53BlockChange(i, j + (bottom ? 1 : -1), k, world)));
}
} else {
result = Block.byId[i1].a(world, i, j, k, entityhuman);
if (itemstack != null && !result) {
result = itemstack.a(entityhuman, world, i, j, k, l);
}
}
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// If we have 'true' and no explicit deny *or* an explicit allow -- run the item part of the hook
if (itemstack != null && ((!result && event.useItemInHand() != Event.Result.DENY) || event.useItemInHand() == Event.Result.ALLOW)) {
this.a(entityhuman, world, itemstack);
}
}
return result;
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}
// CraftBukkit end
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}