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authorEvilSeph <evilseph@gmail.com>2011-08-09 22:25:33 -0400
committerEvilSeph <evilseph@gmail.com>2011-08-12 21:19:53 -0400
commitf795055012425d5e18ad836f25d849082ddc2aa9 (patch)
tree5cab54f327599f6a23299dcc0146e4cc7bc1059e /src/main/java
parentc1e85002b69b4d72b93ff75d131d7eea2600607c (diff)
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Fixed a piston crash (AIOOBE).
Diffstat (limited to 'src/main/java')
-rw-r--r--src/main/java/net/minecraft/server/BlockPistonExtension.java155
1 files changed, 155 insertions, 0 deletions
diff --git a/src/main/java/net/minecraft/server/BlockPistonExtension.java b/src/main/java/net/minecraft/server/BlockPistonExtension.java
new file mode 100644
index 00000000..8a1ae401
--- /dev/null
+++ b/src/main/java/net/minecraft/server/BlockPistonExtension.java
@@ -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;
+ }
+}