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Disallow people spawning invalid entities using monster eggs. Thanks to md-5 for the PR.

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Dieser Commit ist enthalten in:
Nathan Adams 2012-01-15 09:45:16 +00:00
Ursprung 390a79e098
Commit 25050e38eb
2 geänderte Dateien mit 8 neuen und 5 gelöschten Zeilen
Statistiken anzeigen Patch-Datei herunterladen Vergleichs-Datei herunterladen Alle Dateien ausklappen Alle Dateien einklappen

4
src/main/java/net/minecraft/server/ItemMonsterEgg.java
Datei anzeigen

@ -9,7 +9,7 @@ public class ItemMonsterEgg extends Item {
} }
public boolean a(ItemStack itemstack, EntityHuman entityhuman, World world, int i, int j, int k, int l) { public boolean a(ItemStack itemstack, EntityHuman entityhuman, World world, int i, int j, int k, int l) {
if (world.isStatic) { if (world.isStatic || itemstack.getData() == 48 || itemstack.getData() == 49 || itemstack.getData() == 63) { // CraftBukkit
return true; return true;
} else { } else {
i += Facing.b[l]; i += Facing.b[l];
@ -17,7 +17,7 @@ public class ItemMonsterEgg extends Item {
k += Facing.d[l]; k += Facing.d[l];
Entity entity = EntityTypes.a(itemstack.getData(), world); Entity entity = EntityTypes.a(itemstack.getData(), world);
if (entity != null) { if (entity != null && entity instanceof EntityLiving) { // CraftBukkit
if (!entityhuman.abilities.canInstantlyBuild) { if (!entityhuman.abilities.canInstantlyBuild) {
--itemstack.count; --itemstack.count;
} }

5
src/main/java/net/minecraft/server/NetServerHandler.java
Datei anzeigen

@ -7,6 +7,8 @@ import java.util.logging.Level;
import java.util.logging.Logger; import java.util.logging.Logger;
// CraftBukkit start // CraftBukkit start
import java.util.Arrays;
import java.util.HashSet;
import org.bukkit.ChatColor; import org.bukkit.ChatColor;
import org.bukkit.craftbukkit.ChunkCompressionThread; import org.bukkit.craftbukkit.ChunkCompressionThread;
import org.bukkit.Location; import org.bukkit.Location;
@ -89,6 +91,7 @@ public class NetServerHandler extends NetHandler implements ICommandListener {
public CraftPlayer getPlayer() { public CraftPlayer getPlayer() {
return (this.player == null) ? null : (CraftPlayer) this.player.getBukkitEntity(); return (this.player == null) ? null : (CraftPlayer) this.player.getBukkitEntity();
} }
private final static HashSet<Integer> invalidItems = new HashSet<Integer>(Arrays.asList(8, 9, 10, 11, 26, 34, 36, 51, 52, 55, 59, 60, 63, 64, 68, 71, 75, 78, 83, 90, 92, 93, 94, 95));
// CraftBukkit end // CraftBukkit end
public void a() { public void a() {
@ -1012,7 +1015,7 @@ public class NetServerHandler extends NetHandler implements ICommandListener {
boolean flag = packet107setcreativeslot.a < 0; boolean flag = packet107setcreativeslot.a < 0;
ItemStack itemstack = packet107setcreativeslot.b; ItemStack itemstack = packet107setcreativeslot.b;
boolean flag1 = packet107setcreativeslot.a >= 36 && packet107setcreativeslot.a < 36 + PlayerInventory.getHotbarSize(); boolean flag1 = packet107setcreativeslot.a >= 36 && packet107setcreativeslot.a < 36 + PlayerInventory.getHotbarSize();
boolean flag2 = itemstack == null || itemstack.id < Item.byId.length && itemstack.id >= 0 && Item.byId[itemstack.id] != null; boolean flag2 = itemstack == null || itemstack.id < Item.byId.length && itemstack.id >= 0 && Item.byId[itemstack.id] != null && !invalidItems.contains(itemstack.id); // CraftBukkit
boolean flag3 = itemstack == null || itemstack.getData() >= 0 && itemstack.getData() >= 0 && itemstack.count <= 64 && itemstack.count > 0; boolean flag3 = itemstack == null || itemstack.getData() >= 0 && itemstack.getData() >= 0 && itemstack.count <= 64 && itemstack.count > 0;
if (flag1 && flag2 && flag3) { if (flag1 && flag2 && flag3) {