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Fixed a piston crash (AIOOBE).

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Dieser Commit ist enthalten in:
EvilSeph 2011-08-09 22:25:33 -04:00
Ursprung c1e85002b6
Commit f795055012
1 geänderte Dateien mit 155 neuen und 0 gelöschten Zeilen
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src/main/java/net/minecraft/server/BlockPistonExtension.java Normale Datei
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@ -0,0 +1,155 @@
package net.minecraft.server;
import java.util.ArrayList;
import java.util.Random;
public class BlockPistonExtension extends Block {
private int a = -1;
public BlockPistonExtension(int i, int j) {
super(i, j, Material.PISTON);
this.a(h);
this.c(0.5F);
}
public void remove(World world, int i, int j, int k) {
super.remove(world, i, j, k);
int l = world.getData(i, j, k);
if (l > 5 || l < 0) return; // CraftBukkit - fixed a piston AIOOBE issue.
int i1 = PistonBlockTextures.a[b(l)];
i += PistonBlockTextures.b[i1];
j += PistonBlockTextures.c[i1];
k += PistonBlockTextures.d[i1];
int j1 = world.getTypeId(i, j, k);
if (j1 == Block.PISTON.id || j1 == Block.PISTON_STICKY.id) {
l = world.getData(i, j, k);
if (BlockPiston.d(l)) {
Block.byId[j1].g(world, i, j, k, l);
world.setTypeId(i, j, k, 0);
}
}
}
public int a(int i, int j) {
int k = b(j);
return i == k ? (this.a >= 0 ? this.a : ((j & 8) != 0 ? this.textureId - 1 : this.textureId)) : (i == PistonBlockTextures.a[k] ? 107 : 108);
}
public boolean a() {
return false;
}
public boolean b() {
return false;
}
public boolean canPlace(World world, int i, int j, int k) {
return false;
}
public boolean canPlace(World world, int i, int j, int k, int l) {
return false;
}
public int a(Random random) {
return 0;
}
public void a(World world, int i, int j, int k, AxisAlignedBB axisalignedbb, ArrayList arraylist) {
int l = world.getData(i, j, k);
switch (b(l)) {
case 0:
this.a(0.0F, 0.0F, 0.0F, 1.0F, 0.25F, 1.0F);
super.a(world, i, j, k, axisalignedbb, arraylist);
this.a(0.375F, 0.25F, 0.375F, 0.625F, 1.0F, 0.625F);
super.a(world, i, j, k, axisalignedbb, arraylist);
break;
case 1:
this.a(0.0F, 0.75F, 0.0F, 1.0F, 1.0F, 1.0F);
super.a(world, i, j, k, axisalignedbb, arraylist);
this.a(0.375F, 0.0F, 0.375F, 0.625F, 0.75F, 0.625F);
super.a(world, i, j, k, axisalignedbb, arraylist);
break;
case 2:
this.a(0.0F, 0.0F, 0.0F, 1.0F, 1.0F, 0.25F);
super.a(world, i, j, k, axisalignedbb, arraylist);
this.a(0.25F, 0.375F, 0.25F, 0.75F, 0.625F, 1.0F);
super.a(world, i, j, k, axisalignedbb, arraylist);
break;
case 3:
this.a(0.0F, 0.0F, 0.75F, 1.0F, 1.0F, 1.0F);
super.a(world, i, j, k, axisalignedbb, arraylist);
this.a(0.25F, 0.375F, 0.0F, 0.75F, 0.625F, 0.75F);
super.a(world, i, j, k, axisalignedbb, arraylist);
break;
case 4:
this.a(0.0F, 0.0F, 0.0F, 0.25F, 1.0F, 1.0F);
super.a(world, i, j, k, axisalignedbb, arraylist);
this.a(0.375F, 0.25F, 0.25F, 0.625F, 0.75F, 1.0F);
super.a(world, i, j, k, axisalignedbb, arraylist);
break;
case 5:
this.a(0.75F, 0.0F, 0.0F, 1.0F, 1.0F, 1.0F);
super.a(world, i, j, k, axisalignedbb, arraylist);
this.a(0.0F, 0.375F, 0.25F, 0.75F, 0.625F, 0.75F);
super.a(world, i, j, k, axisalignedbb, arraylist);
}
this.a(0.0F, 0.0F, 0.0F, 1.0F, 1.0F, 1.0F);
}
public void a(IBlockAccess iblockaccess, int i, int j, int k) {
int l = iblockaccess.getData(i, j, k);
switch (b(l)) {
case 0:
this.a(0.0F, 0.0F, 0.0F, 1.0F, 0.25F, 1.0F);
break;
case 1:
this.a(0.0F, 0.75F, 0.0F, 1.0F, 1.0F, 1.0F);
break;
case 2:
this.a(0.0F, 0.0F, 0.0F, 1.0F, 1.0F, 0.25F);
break;
case 3:
this.a(0.0F, 0.0F, 0.75F, 1.0F, 1.0F, 1.0F);
break;
case 4:
this.a(0.0F, 0.0F, 0.0F, 0.25F, 1.0F, 1.0F);
break;
case 5:
this.a(0.75F, 0.0F, 0.0F, 1.0F, 1.0F, 1.0F);
}
}
public void doPhysics(World world, int i, int j, int k, int l) {
int i1 = b(world.getData(i, j, k));
if (i1 > 5 || i1 < 0) return; // CraftBukkit - fixed a piston AIOOBE issue.
int j1 = world.getTypeId(i - PistonBlockTextures.b[i1], j - PistonBlockTextures.c[i1], k - PistonBlockTextures.d[i1]);
if (j1 != Block.PISTON.id && j1 != Block.PISTON_STICKY.id) {
world.setTypeId(i, j, k, 0);
} else {
Block.byId[j1].doPhysics(world, i - PistonBlockTextures.b[i1], j - PistonBlockTextures.c[i1], k - PistonBlockTextures.d[i1], l);
}
}
public static int b(int i) {
return i & 7;
}
}