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-rw-r--r--src/main/java/net/minecraft/server/BlockMinecartTrack.java265
-rw-r--r--src/main/java/net/minecraft/server/MinecartTrackLogic.java359
2 files changed, 624 insertions, 0 deletions
diff --git a/src/main/java/net/minecraft/server/BlockMinecartTrack.java b/src/main/java/net/minecraft/server/BlockMinecartTrack.java
new file mode 100644
index 00000000..c445404d
--- /dev/null
+++ b/src/main/java/net/minecraft/server/BlockMinecartTrack.java
@@ -0,0 +1,265 @@
+package net.minecraft.server;
+
+import java.util.Random;
+
+public class BlockMinecartTrack extends Block {
+
+ private final boolean a;
+
+ public static final boolean g(World world, int i, int j, int k) {
+ int l = world.getTypeId(i, j, k);
+
+ return l == Block.RAILS.id || l == Block.GOLDEN_RAIL.id || l == Block.DETECTOR_RAIL.id;
+ }
+
+ public static final boolean d(int i) {
+ return i == Block.RAILS.id || i == Block.GOLDEN_RAIL.id || i == Block.DETECTOR_RAIL.id;
+ }
+
+ protected BlockMinecartTrack(int i, int j, boolean flag) {
+ super(i, j, Material.ORIENTABLE);
+ this.a = flag;
+ this.a(0.0F, 0.0F, 0.0F, 1.0F, 0.125F, 1.0F);
+ }
+
+ public boolean h() {
+ return this.a;
+ }
+
+ public AxisAlignedBB e(World world, int i, int j, int k) {
+ return null;
+ }
+
+ public boolean a() {
+ return false;
+ }
+
+ public MovingObjectPosition a(World world, int i, int j, int k, Vec3D vec3d, Vec3D vec3d1) {
+ this.updateShape(world, i, j, k);
+ return super.a(world, i, j, k, vec3d, vec3d1);
+ }
+
+ public void updateShape(IBlockAccess iblockaccess, int i, int j, int k) {
+ int l = iblockaccess.getData(i, j, k);
+
+ if (l >= 2 && l <= 5) {
+ this.a(0.0F, 0.0F, 0.0F, 1.0F, 0.625F, 1.0F);
+ } else {
+ this.a(0.0F, 0.0F, 0.0F, 1.0F, 0.125F, 1.0F);
+ }
+ }
+
+ public int a(int i, int j) {
+ if (this.a) {
+ if (this.id == Block.GOLDEN_RAIL.id && (j & 8) == 0) {
+ return this.textureId - 16;
+ }
+ } else if (j >= 6) {
+ return this.textureId - 16;
+ }
+
+ return this.textureId;
+ }
+
+ public boolean b() {
+ return false;
+ }
+
+ public int c() {
+ return 9;
+ }
+
+ public int a(Random random) {
+ return 1;
+ }
+
+ public boolean canPlace(World world, int i, int j, int k) {
+ return world.e(i, j - 1, k);
+ }
+
+ public void onPlace(World world, int i, int j, int k) {
+ if (!world.isStatic) {
+ this.a(world, i, j, k, true);
+ if (this.id == Block.GOLDEN_RAIL.id) {
+ this.doPhysics(world, i, j, k, this.id);
+ }
+ }
+ }
+
+ public void doPhysics(World world, int i, int j, int k, int l) {
+ if (!world.isStatic) {
+ int i1 = world.getData(i, j, k);
+ int j1 = i1;
+
+ if (this.a) {
+ j1 = i1 & 7;
+ }
+
+ boolean flag = false;
+
+ if (!world.e(i, j - 1, k)) {
+ flag = true;
+ }
+
+ if (j1 == 2 && !world.e(i + 1, j, k)) {
+ flag = true;
+ }
+
+ if (j1 == 3 && !world.e(i - 1, j, k)) {
+ flag = true;
+ }
+
+ if (j1 == 4 && !world.e(i, j, k - 1)) {
+ flag = true;
+ }
+
+ if (j1 == 5 && !world.e(i, j, k + 1)) {
+ flag = true;
+ }
+
+ if (flag) {
+ this.b(world, i, j, k, world.getData(i, j, k), 0);
+ world.setTypeId(i, j, k, 0);
+ } else if (this.id == Block.GOLDEN_RAIL.id) {
+ boolean flag1 = world.isBlockIndirectlyPowered(i, j, k);
+
+ flag1 = flag1 || this.a(world, i, j, k, i1, true, 0) || this.a(world, i, j, k, i1, false, 0);
+ boolean flag2 = false;
+
+ if (flag1 && (i1 & 8) == 0) {
+ world.setData(i, j, k, j1 | 8);
+ flag2 = true;
+ } else if (!flag1 && (i1 & 8) != 0) {
+ world.setData(i, j, k, j1);
+ flag2 = true;
+ }
+
+ if (flag2) {
+ world.applyPhysics(i, j - 1, k, this.id);
+ if (j1 == 2 || j1 == 3 || j1 == 4 || j1 == 5) {
+ world.applyPhysics(i, j + 1, k, this.id);
+ }
+ }
+ } else if (l > 0 && Block.byId[l].isPowerSource() && !this.a && MinecartTrackLogic.a(new MinecartTrackLogic(this, world, i, j, k)) == 3) {
+ this.a(world, i, j, k, false);
+ }
+ }
+ }
+
+ private void a(World world, int i, int j, int k, boolean flag) {
+ if (!world.isStatic) {
+ (new MinecartTrackLogic(this, world, i, j, k)).a(world.isBlockIndirectlyPowered(i, j, k), flag);
+ }
+ }
+
+ private boolean a(World world, int i, int j, int k, int l, boolean flag, int i1) {
+ if (i1 >= 8) {
+ return false;
+ } else {
+ int j1 = l & 7;
+ boolean flag1 = true;
+
+ switch (j1) {
+ case 0:
+ if (flag) {
+ ++k;
+ } else {
+ --k;
+ }
+ break;
+
+ case 1:
+ if (flag) {
+ --i;
+ } else {
+ ++i;
+ }
+ break;
+
+ case 2:
+ if (flag) {
+ --i;
+ } else {
+ ++i;
+ ++j;
+ flag1 = false;
+ }
+
+ j1 = 1;
+ break;
+
+ case 3:
+ if (flag) {
+ --i;
+ ++j;
+ flag1 = false;
+ } else {
+ ++i;
+ }
+
+ j1 = 1;
+ break;
+
+ case 4:
+ if (flag) {
+ ++k;
+ } else {
+ --k;
+ ++j;
+ flag1 = false;
+ }
+
+ j1 = 0;
+ break;
+
+ case 5:
+ if (flag) {
+ ++k;
+ ++j;
+ flag1 = false;
+ } else {
+ --k;
+ }
+
+ j1 = 0;
+ }
+
+ return this.a(world, i, j, k, flag, i1, j1) ? true : flag1 && this.a(world, i, j - 1, k, flag, i1, j1);
+ }
+ }
+
+ private boolean a(World world, int i, int j, int k, boolean flag, int l, int i1) {
+ int j1 = world.getTypeId(i, j, k);
+
+ if (j1 == Block.GOLDEN_RAIL.id) {
+ int k1 = world.getData(i, j, k);
+ int l1 = k1 & 7;
+
+ if (i1 == 1 && (l1 == 0 || l1 == 4 || l1 == 5)) {
+ return false;
+ }
+
+ if (i1 == 0 && (l1 == 1 || l1 == 2 || l1 == 3)) {
+ return false;
+ }
+
+ if ((k1 & 8) != 0) {
+ if (world.isBlockIndirectlyPowered(i, j, k)) {
+ return true;
+ }
+
+ return this.a(world, i, j, k, k1, flag, l + 1);
+ }
+ }
+
+ return false;
+ }
+
+ public int g() {
+ return 0;
+ }
+
+ static boolean a(BlockMinecartTrack blockminecarttrack) {
+ return blockminecarttrack.a;
+ }
+}
diff --git a/src/main/java/net/minecraft/server/MinecartTrackLogic.java b/src/main/java/net/minecraft/server/MinecartTrackLogic.java
new file mode 100644
index 00000000..aa5d8a70
--- /dev/null
+++ b/src/main/java/net/minecraft/server/MinecartTrackLogic.java
@@ -0,0 +1,359 @@
+package net.minecraft.server;
+
+import java.util.ArrayList;
+import java.util.List;
+
+class MinecartTrackLogic {
+
+ private World b;
+ private int c;
+ private int d;
+ private int e;
+ private final boolean f;
+ private List g;
+
+ final BlockMinecartTrack a;
+
+ public MinecartTrackLogic(BlockMinecartTrack blockminecarttrack, World world, int i, int j, int k) {
+ this.a = blockminecarttrack;
+ this.g = new ArrayList();
+ this.b = world;
+ this.c = i;
+ this.d = j;
+ this.e = k;
+ int l = world.getTypeId(i, j, k);
+ int i1 = world.getData(i, j, k);
+
+ if (BlockMinecartTrack.a((BlockMinecartTrack) Block.byId[l])) {
+ this.f = true;
+ i1 &= -9;
+ } else {
+ this.f = false;
+ }
+
+ this.a(i1);
+ }
+
+ private void a(int i) {
+ this.g.clear();
+ if (i == 0) {
+ this.g.add(new ChunkPosition(this.c, this.d, this.e - 1));
+ this.g.add(new ChunkPosition(this.c, this.d, this.e + 1));
+ } else if (i == 1) {
+ this.g.add(new ChunkPosition(this.c - 1, this.d, this.e));
+ this.g.add(new ChunkPosition(this.c + 1, this.d, this.e));
+ } else if (i == 2) {
+ this.g.add(new ChunkPosition(this.c - 1, this.d, this.e));
+ this.g.add(new ChunkPosition(this.c + 1, this.d + 1, this.e));
+ } else if (i == 3) {
+ this.g.add(new ChunkPosition(this.c - 1, this.d + 1, this.e));
+ this.g.add(new ChunkPosition(this.c + 1, this.d, this.e));
+ } else if (i == 4) {
+ this.g.add(new ChunkPosition(this.c, this.d + 1, this.e - 1));
+ this.g.add(new ChunkPosition(this.c, this.d, this.e + 1));
+ } else if (i == 5) {
+ this.g.add(new ChunkPosition(this.c, this.d, this.e - 1));
+ this.g.add(new ChunkPosition(this.c, this.d + 1, this.e + 1));
+ } else if (i == 6) {
+ this.g.add(new ChunkPosition(this.c + 1, this.d, this.e));
+ this.g.add(new ChunkPosition(this.c, this.d, this.e + 1));
+ } else if (i == 7) {
+ this.g.add(new ChunkPosition(this.c - 1, this.d, this.e));
+ this.g.add(new ChunkPosition(this.c, this.d, this.e + 1));
+ } else if (i == 8) {
+ this.g.add(new ChunkPosition(this.c - 1, this.d, this.e));
+ this.g.add(new ChunkPosition(this.c, this.d, this.e - 1));
+ } else if (i == 9) {
+ this.g.add(new ChunkPosition(this.c + 1, this.d, this.e));
+ this.g.add(new ChunkPosition(this.c, this.d, this.e - 1));
+ }
+ }
+
+ private void a() {
+ for (int i = 0; i < this.g.size(); ++i) {
+ MinecartTrackLogic minecarttracklogic = this.a((ChunkPosition) this.g.get(i));
+
+ if (minecarttracklogic != null && minecarttracklogic.b(this)) {
+ this.g.set(i, new ChunkPosition(minecarttracklogic.c, minecarttracklogic.d, minecarttracklogic.e));
+ } else {
+ this.g.remove(i--);
+ }
+ }
+ }
+
+ private boolean a(int i, int j, int k) {
+ return BlockMinecartTrack.g(this.b, i, j, k) ? true : (BlockMinecartTrack.g(this.b, i, j + 1, k) ? true : BlockMinecartTrack.g(this.b, i, j - 1, k));
+ }
+
+ private MinecartTrackLogic a(ChunkPosition chunkposition) {
+ return BlockMinecartTrack.g(this.b, chunkposition.x, chunkposition.y, chunkposition.z) ? new MinecartTrackLogic(this.a, this.b, chunkposition.x, chunkposition.y, chunkposition.z) : (BlockMinecartTrack.g(this.b, chunkposition.x, chunkposition.y + 1, chunkposition.z) ? new MinecartTrackLogic(this.a, this.b, chunkposition.x, chunkposition.y + 1, chunkposition.z) : (BlockMinecartTrack.g(this.b, chunkposition.x, chunkposition.y - 1, chunkposition.z) ? new MinecartTrackLogic(this.a, this.b, chunkposition.x, chunkposition.y - 1, chunkposition.z) : null));
+ }
+
+ private boolean b(MinecartTrackLogic minecarttracklogic) {
+ for (int i = 0; i < this.g.size(); ++i) {
+ ChunkPosition chunkposition = (ChunkPosition) this.g.get(i);
+
+ if (chunkposition.x == minecarttracklogic.c && chunkposition.z == minecarttracklogic.e) {
+ return true;
+ }
+ }
+
+ return false;
+ }
+
+ private boolean b(int i, int j, int k) {
+ for (int l = 0; l < this.g.size(); ++l) {
+ ChunkPosition chunkposition = (ChunkPosition) this.g.get(l);
+
+ if (chunkposition.x == i && chunkposition.z == k) {
+ return true;
+ }
+ }
+
+ return false;
+ }
+
+ private int b() {
+ int i = 0;
+
+ if (this.a(this.c, this.d, this.e - 1)) {
+ ++i;
+ }
+
+ if (this.a(this.c, this.d, this.e + 1)) {
+ ++i;
+ }
+
+ if (this.a(this.c - 1, this.d, this.e)) {
+ ++i;
+ }
+
+ if (this.a(this.c + 1, this.d, this.e)) {
+ ++i;
+ }
+
+ return i;
+ }
+
+ private boolean c(MinecartTrackLogic minecarttracklogic) {
+ if (this.b(minecarttracklogic)) {
+ return true;
+ } else if (this.g.size() == 2) {
+ return false;
+ } else if (this.g.size() == 0) {
+ return true;
+ } else {
+ ChunkPosition chunkposition = (ChunkPosition) this.g.get(0);
+
+ return minecarttracklogic.d == this.d && chunkposition.y == this.d ? true : true;
+ }
+ }
+
+ private void d(MinecartTrackLogic minecarttracklogic) {
+ this.g.add(new ChunkPosition(minecarttracklogic.c, minecarttracklogic.d, minecarttracklogic.e));
+ boolean flag = this.b(this.c, this.d, this.e - 1);
+ boolean flag1 = this.b(this.c, this.d, this.e + 1);
+ boolean flag2 = this.b(this.c - 1, this.d, this.e);
+ boolean flag3 = this.b(this.c + 1, this.d, this.e);
+ byte b0 = -1;
+
+ if (flag || flag1) {
+ b0 = 0;
+ }
+
+ if (flag2 || flag3) {
+ b0 = 1;
+ }
+
+ if (!this.f) {
+ if (flag1 && flag3 && !flag && !flag2) {
+ b0 = 6;
+ }
+
+ if (flag1 && flag2 && !flag && !flag3) {
+ b0 = 7;
+ }
+
+ if (flag && flag2 && !flag1 && !flag3) {
+ b0 = 8;
+ }
+
+ if (flag && flag3 && !flag1 && !flag2) {
+ b0 = 9;
+ }
+ }
+
+ if (b0 == 0) {
+ if (BlockMinecartTrack.g(this.b, this.c, this.d + 1, this.e - 1)) {
+ b0 = 4;
+ }
+
+ if (BlockMinecartTrack.g(this.b, this.c, this.d + 1, this.e + 1)) {
+ b0 = 5;
+ }
+ }
+
+ if (b0 == 1) {
+ if (BlockMinecartTrack.g(this.b, this.c + 1, this.d + 1, this.e)) {
+ b0 = 2;
+ }
+
+ if (BlockMinecartTrack.g(this.b, this.c - 1, this.d + 1, this.e)) {
+ b0 = 3;
+ }
+ }
+
+ if (b0 < 0) {
+ b0 = 0;
+ }
+
+ int i = b0;
+
+ if (this.f) {
+ i = this.b.getData(this.c, this.d, this.e) & 8 | b0;
+ }
+
+ this.b.setData(this.c, this.d, this.e, i);
+ }
+
+ private boolean c(int i, int j, int k) {
+ MinecartTrackLogic minecarttracklogic = this.a(new ChunkPosition(i, j, k));
+
+ if (minecarttracklogic == null) {
+ return false;
+ } else {
+ minecarttracklogic.a();
+ return minecarttracklogic.c(this);
+ }
+ }
+
+ public void a(boolean flag, boolean flag1) {
+ boolean flag2 = this.c(this.c, this.d, this.e - 1);
+ boolean flag3 = this.c(this.c, this.d, this.e + 1);
+ boolean flag4 = this.c(this.c - 1, this.d, this.e);
+ boolean flag5 = this.c(this.c + 1, this.d, this.e);
+ byte b0 = -1;
+
+ if ((flag2 || flag3) && !flag4 && !flag5) {
+ b0 = 0;
+ }
+
+ if ((flag4 || flag5) && !flag2 && !flag3) {
+ b0 = 1;
+ }
+
+ if (!this.f) {
+ if (flag3 && flag5 && !flag2 && !flag4) {
+ b0 = 6;
+ }
+
+ if (flag3 && flag4 && !flag2 && !flag5) {
+ b0 = 7;
+ }
+
+ if (flag2 && flag4 && !flag3 && !flag5) {
+ b0 = 8;
+ }
+
+ if (flag2 && flag5 && !flag3 && !flag4) {
+ b0 = 9;
+ }
+ }
+
+ if (b0 == -1) {
+ if (flag2 || flag3) {
+ b0 = 0;
+ }
+
+ if (flag4 || flag5) {
+ b0 = 1;
+ }
+
+ if (!this.f) {
+ if (flag) {
+ if (flag3 && flag5) {
+ b0 = 6;
+ }
+
+ if (flag4 && flag3) {
+ b0 = 7;
+ }
+
+ if (flag5 && flag2) {
+ b0 = 9;
+ }
+
+ if (flag2 && flag4) {
+ b0 = 8;
+ }
+ } else {
+ if (flag2 && flag4) {
+ b0 = 8;
+ }
+
+ if (flag5 && flag2) {
+ b0 = 9;
+ }
+
+ if (flag4 && flag3) {
+ b0 = 7;
+ }
+
+ if (flag3 && flag5) {
+ b0 = 6;
+ }
+ }
+ }
+ }
+
+ if (b0 == 0) {
+ if (BlockMinecartTrack.g(this.b, this.c, this.d + 1, this.e - 1)) {
+ b0 = 4;
+ }
+
+ if (BlockMinecartTrack.g(this.b, this.c, this.d + 1, this.e + 1)) {
+ b0 = 5;
+ }
+ }
+
+ if (b0 == 1) {
+ if (BlockMinecartTrack.g(this.b, this.c + 1, this.d + 1, this.e)) {
+ b0 = 2;
+ }
+
+ if (BlockMinecartTrack.g(this.b, this.c - 1, this.d + 1, this.e)) {
+ b0 = 3;
+ }
+ }
+
+ if (b0 < 0) {
+ b0 = 0;
+ }
+
+ this.a(b0);
+ int i = b0;
+
+ if (this.f) {
+ i = this.b.getData(this.c, this.d, this.e) & 8 | b0;
+ }
+
+ if (flag1 || this.b.getData(this.c, this.d, this.e) != i) {
+ this.b.setData(this.c, this.d, this.e, i);
+
+ for (int j = 0; j < this.g.size(); ++j) {
+ MinecartTrackLogic minecarttracklogic = this.a((ChunkPosition) this.g.get(j));
+
+ if (minecarttracklogic != null) {
+ minecarttracklogic.a();
+ if (minecarttracklogic.c(this)) {
+ minecarttracklogic.d(this);
+ }
+ }
+ }
+ }
+ }
+
+ static int a(MinecartTrackLogic minecarttracklogic) {
+ return minecarttracklogic.b();
+ }
+}